/* roulang page: index */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-text);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 56px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }
        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }
        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-text);
            padding: 6px;
            cursor: pointer;
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 14px;
                font-size: 14px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 14px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-nav);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-ctas {
                gap: 6px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 12px;
                font-size: 13px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-inner {
                padding: 0 14px;
                gap: 10px;
            }
            .nav-logo {
                font-size: 18px;
            }
        }
        @media (max-width: 480px) {
            .nav-ctas .btn-outline {
                display: none;
            }
            .nav-ctas .btn-primary {
                padding: 8px 12px;
                font-size: 13px;
            }
        }

        /* Section通用 */
        .section {
            padding: var(--section-gap) 0;
            position: relative;
        }
        .section-sm {
            padding: 48px 0;
        }
        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 14px;
            border-radius: 20px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.3px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 680px;
            line-height: 1.7;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
            }
        }

        /* Hero */
        .hero-section {
            padding: 60px 0 72px;
            background: linear-gradient(180deg, #f0f7fd 0%, #f8fafc 40%, #ffffff 100%);
            position: relative;
            overflow: hidden;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 48px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            position: relative;
            z-index: 2;
        }
        .hero-text {
            flex: 1;
            min-width: 0;
        }
        .hero-status-bar {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #ffffff;
            border: 1px solid var(--color-border);
            border-radius: 24px;
            padding: 8px 16px;
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
            box-shadow: var(--shadow-card);
        }
        .hero-status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: #22c55e;
            animation: pulse-dot 1.8s ease-in-out infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(34, 197, 94, 0);
            }
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-text);
            letter-spacing: 0.5px;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .hero-title span {
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            margin-bottom: 28px;
            max-width: 520px;
        }
        .hero-ctas {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-lg {
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            letter-spacing: 0.3px;
        }
        .hero-icon-grid {
            flex: 1;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            grid-template-rows: repeat(2, 1fr);
            gap: 16px;
            min-width: 360px;
            max-width: 440px;
        }
        .hero-icon-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
            border: 1px solid transparent;
        }
        .hero-icon-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }
        .hero-icon-item i {
            font-size: 32px;
            color: var(--color-primary);
        }
        .hero-icon-item span {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text);
            white-space: nowrap;
        }
        @media (max-width: 1024px) {
            .hero-inner {
                gap: 32px;
            }
            .hero-icon-grid {
                min-width: 280px;
                max-width: 340px;
                gap: 10px;
            }
            .hero-title {
                font-size: 36px;
            }
        }
        @media (max-width: 768px) {
            .hero-inner {
                flex-direction: column;
                gap: 32px;
                padding: 0 16px;
            }
            .hero-icon-grid {
                width: 100%;
                max-width: 100%;
                min-width: auto;
                grid-template-columns: repeat(3, 1fr);
                gap: 10px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-section {
                padding: 40px 0 48px;
            }
            .hero-icon-item {
                padding: 14px 10px;
            }
            .hero-icon-item i {
                font-size: 26px;
            }
            .hero-icon-item span {
                font-size: 11px;
            }
        }
        @media (max-width: 480px) {
            .hero-icon-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .hero-title {
                font-size: 24px;
            }
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            border: 1px solid var(--color-border-light);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .metric-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-primary-deep);
            letter-spacing: -1px;
            line-height: 1;
            margin-bottom: 8px;
        }
        .metric-label {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
        }
        .metric-icon {
            font-size: 28px;
            color: var(--color-accent);
            margin-bottom: 10px;
        }
        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-number {
                font-size: 36px;
            }
            .metric-card {
                padding: 20px 16px;
            }
        }
        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 8px;
            }
            .metric-number {
                font-size: 30px;
            }
        }

        /* 服务矩阵 */
        .services-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr 0.8fr 1fr;
            gap: 20px;
        }
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 10px;
            min-height: 280px;
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }
        .service-card .service-icon {
            font-size: 36px;
            color: var(--color-primary);
            margin-bottom: 4px;
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
        }
        .service-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            flex: 1;
        }
        .service-card .service-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-accent);
            background: #fff7f0;
            padding: 4px 10px;
            border-radius: 12px;
            align-self: flex-start;
        }
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .service-card {
                min-height: auto;
            }
        }
        @media (max-width: 600px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 合集目录 */
        .collection-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 18px;
        }
        .collection-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            cursor: pointer;
        }
        .collection-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .collection-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }
        .collection-card-body {
            padding: 16px;
        }
        .collection-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .collection-card-body p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 1024px) {
            .collection-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .collection-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* 结果对比 */
        .compare-wrapper {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }
        .compare-panel {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }
        .compare-panel.pain {
            border-left: 4px solid #ef4444;
            background: #fefafa;
        }
        .compare-panel.solution {
            border-left: 4px solid #22c55e;
            background: #fafefc;
        }
        .compare-panel h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .compare-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border-light);
        }
        .compare-bar:last-child {
            border-bottom: none;
        }
        .compare-bar-label {
            font-size: 14px;
            font-weight: 500;
            color: var(--color-text);
            min-width: 100px;
        }
        .compare-bar-fill {
            height: 10px;
            border-radius: 5px;
            flex: 1;
            background: #e5e7eb;
            position: relative;
            overflow: hidden;
        }
        .compare-bar-fill-inner {
            height: 100%;
            border-radius: 5px;
            transition: width 1s ease;
        }
        .compare-bar-value {
            font-size: 14px;
            font-weight: 700;
            min-width: 40px;
            text-align: right;
        }
        @media (max-width: 768px) {
            .compare-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* 品牌介绍 */
        .brand-intro {
            background: var(--color-primary-light);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            gap: 36px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .brand-intro-bg {
            position: absolute;
            right: 0;
            top: 0;
            width: 40%;
            height: 100%;
            object-fit: cover;
            opacity: 0.25;
            border-radius: 0 var(--radius-xl) var(--radius-xl) 0;
        }
        .brand-intro-text {
            flex: 1;
            position: relative;
            z-index: 1;
            min-width: 0;
        }
        .brand-intro-text h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--color-primary-deep);
        }
        .brand-intro-text p {
            font-size: 16px;
            line-height: 1.85;
            color: var(--color-text);
            max-width: 700px;
        }
        .brand-intro-image {
            flex-shrink: 0;
            width: 280px;
            height: 200px;
            border-radius: var(--radius-md);
            object-fit: cover;
            box-shadow: var(--shadow-lg);
            position: relative;
            z-index: 1;
        }
        @media (max-width: 768px) {
            .brand-intro {
                flex-direction: column;
                padding: 32px 20px;
                gap: 20px;
            }
            .brand-intro-image {
                width: 100%;
                height: 180px;
            }
            .brand-intro-bg {
                width: 100%;
                opacity: 0.12;
            }
            .brand-intro-text h2 {
                font-size: 24px;
            }
            .brand-intro-text p {
                font-size: 15px;
            }
        }

        /* 新闻中心 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--color-border);
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 20px;
            padding: 18px 4px;
            border-bottom: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            cursor: pointer;
        }
        .news-item:hover {
            background: #fafcfd;
            padding-left: 8px;
        }
        .news-item:hover .news-title {
            color: var(--color-primary);
        }
        .news-date {
            flex-shrink: 0;
            width: 56px;
            text-align: center;
            background: #f1f5f9;
            border-radius: var(--radius-sm);
            padding: 8px 6px;
            font-weight: 700;
            color: var(--color-text-secondary);
            font-size: 13px;
            line-height: 1.3;
        }
        .news-date strong {
            display: block;
            font-size: 22px;
            color: var(--color-primary-deep);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-title {
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 4px;
            transition: var(--transition-base);
        }
        .news-summary {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 6px;
        }
        .news-readmore {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--transition-base);
        }
        .news-readmore:hover {
            color: var(--color-accent-hover);
            gap: 8px;
        }
        @media (max-width: 600px) {
            .news-item {
                flex-direction: column;
                gap: 8px;
            }
            .news-date {
                width: auto;
                display: inline-flex;
                gap: 6px;
                padding: 6px 12px;
                font-size: 13px;
            }
            .news-date strong {
                font-size: 16px;
                display: inline;
            }
        }

        /* 嘉宾亮点 */
        .guests-scroll {
            display: flex;
            gap: 18px;
            overflow-x: auto;
            padding: 8px 4px 20px;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: thin;
            scrollbar-color: var(--color-border) transparent;
        }
        .guests-scroll::-webkit-scrollbar {
            height: 5px;
        }
        .guests-scroll::-webkit-scrollbar-thumb {
            background: var(--color-border);
            border-radius: 10px;
        }
        .guest-card {
            flex: 0 0 260px;
            scroll-snap-align: start;
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 24px 20px;
            box-shadow: var(--shadow-card);
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            flex-shrink: 0;
        }
        .guest-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        .guest-card img {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            object-fit: cover;
            margin: 0 auto 12px;
            border: 3px solid var(--color-primary-light);
        }
        .guest-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .guest-card .guest-role {
            font-size: 13px;
            color: var(--color-primary);
            font-weight: 500;
            margin-bottom: 8px;
        }
        .guest-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 600px) {
            .guest-card {
                flex: 0 0 220px;
                padding: 18px 14px;
            }
        }

        /* 热门专题 */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .topic-tag {
            padding: 10px 18px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            background: #ffffff;
            border: 1px solid var(--color-border);
            color: var(--color-text);
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 1px 3px rgba(0, 0, 0, 0.03);
        }
        .topic-tag:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary-deep);
            box-shadow: var(--shadow-card);
            transform: translateY(-1px);
        }
        .topic-tag.hot {
            background: #fff7f0;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }

        /* 使用指南 */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .guide-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 22px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }
        .guide-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .guide-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
        }
        .guide-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .guide-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border-light);
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 0;
            background: none;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            transition: var(--transition-base);
            gap: 16px;
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f1f5f9;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary-light);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
            padding-right: 40px;
        }

        /* 转化表单 */
        .cta-form-section {
            background: #f1f7fb;
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-form-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            max-width: 520px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }
        .cta-form-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .cta-form-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-bottom: 20px;
        }
        .form-group {
            margin-bottom: 14px;
            text-align: left;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 4px;
            color: var(--color-text);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            font-size: 15px;
            background: #fafbfc;
            transition: var(--transition-base);
            resize: vertical;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.08);
            background: #fff;
        }
        .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            box-shadow: 0 4px 14px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }
        .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(245, 124, 46, 0.4);
            transform: translateY(-1px);
        }
        @media (max-width: 600px) {
            .cta-form-section {
                padding: 32px 16px;
            }
            .cta-form-card {
                padding: 24px 18px;
            }
        }

        /* 相关推荐 */
        .recommend-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 18px;
        }
        .recommend-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 22px 18px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            display: flex;
            gap: 14px;
            align-items: flex-start;
            cursor: pointer;
        }
        .recommend-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .recommend-card img {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .recommend-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 3px;
        }
        .recommend-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }
        @media (max-width: 768px) {
            .recommend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
        }
        @media (max-width: 480px) {
            .recommend-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
        }

        /* 收藏分享 */
        .save-share-section {
            background: #ffffff;
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }
        .save-share-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
            margin-top: 16px;
        }
        .btn-share {
            padding: 12px 22px;
            border-radius: 24px;
            font-size: 14px;
            font-weight: 600;
            border: 1px solid var(--color-border);
            background: #fff;
            color: var(--color-text);
            cursor: pointer;
            transition: var(--transition-base);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .btn-share:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary);
            color: var(--color-primary-deep);
            box-shadow: var(--shadow-card);
        }
        .btn-share.fav {
            background: #fff7f0;
            border-color: var(--color-accent);
            color: var(--color-accent);
        }
        .btn-share.fav:hover {
            background: #ffe8d6;
        }

        /* 页脚 */
        .site-footer {
            background: #1a2634;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 14px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            margin-bottom: 32px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 14px;
        }
        .footer-col p {
            line-height: 1.7;
            font-size: 13px;
            color: #94a3b8;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 16px 24px 0;
            border-top: 1px solid #2d3a4a;
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: #64748b;
        }
        .footer-bottom a {
            color: #94a3b8;
            transition: var(--transition-base);
        }
        .footer-bottom a:hover {
            color: #ffffff;
        }
        .footer-links-row {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        /* 工具类 */
        .text-center {
            text-align: center;
        }
        .mb-12 {
            margin-bottom: 12px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .mb-32 {
            margin-bottom: 32px;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .gap-12 {
            gap: 12px;
        }
        .flex-wrap {
            flex-wrap: wrap;
        }
        .hidden {
            display: none;
        }
        @media (max-width: 768px) {
            .hide-mobile {
                display: none;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .mobile-menu-btn:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* Hero - 分类页 */
        .category-hero {
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            overflow: hidden;
        }

        .category-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 40, 70, 0.88) 0%, rgba(20, 40, 70, 0.72) 50%, rgba(26, 111, 181, 0.55) 100%);
            z-index: 1;
        }

        .category-hero .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }

        .category-hero .hero-text h1 {
            font-size: 40px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.3;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .category-hero .hero-text h1 span {
            color: var(--color-accent);
        }

        .category-hero .hero-text .hero-subtitle {
            font-size: 18px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0 0 24px;
            max-width: 520px;
        }

        .category-hero .hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .category-hero .hero-ctas .btn-outline-light {
            padding: 12px 24px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #ffffff;
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .category-hero .hero-ctas .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #ffffff;
            color: #ffffff;
        }

        .hero-live-panel {
            background: rgba(255, 255, 255, 0.08);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.15);
            color: #fff;
        }

        .hero-live-panel .panel-header {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 20px;
            padding-bottom: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.15);
        }

        .hero-live-panel .live-dot {
            width: 10px;
            height: 10px;
            background: #ef4444;
            border-radius: 50%;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(239, 68, 68, 0.6);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(239, 68, 68, 0);
            }
        }

        .hero-live-panel .live-label {
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 1px;
            text-transform: uppercase;
            color: #ef4444;
        }

        .hero-live-panel .match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            gap: 12px;
        }

        .hero-live-panel .match-item:last-child {
            border-bottom: none;
        }

        .hero-live-panel .match-teams {
            font-weight: 600;
            font-size: 15px;
            flex: 1;
            min-width: 0;
        }

        .hero-live-panel .match-score {
            font-weight: 800;
            font-size: 18px;
            color: var(--color-accent);
            white-space: nowrap;
        }

        .hero-live-panel .match-status {
            font-size: 12px;
            padding: 4px 10px;
            border-radius: 20px;
            background: rgba(239, 68, 68, 0.2);
            color: #fca5a5;
            white-space: nowrap;
            font-weight: 600;
        }

        .hero-live-panel .match-status.upcoming {
            background: rgba(245, 124, 46, 0.2);
            color: #fbbf8c;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 640px;
        }

        /* 非对称Grid */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 24px;
        }

        .asymmetric-grid .grid-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .asymmetric-grid .grid-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }

        .asymmetric-grid .grid-card.featured {
            grid-row: span 2;
            background: linear-gradient(180deg, #ffffff 0%, #f8fafc 100%);
            border-left: 4px solid var(--color-primary);
        }

        .asymmetric-grid .grid-card .card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .asymmetric-grid .grid-card .card-title {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }

        .asymmetric-grid .grid-card .card-desc {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        /* 双栏图文 */
        .two-col-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .two-col-block .text-col h2 {
            font-size: 30px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: 1.35;
        }

        .two-col-block .text-col p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 12px;
        }

        .two-col-block .image-col img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            width: 100%;
            object-fit: cover;
        }

        /* 赛事覆盖卡片 */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .coverage-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            border: 1px solid var(--color-border-light);
            cursor: default;
        }

        .coverage-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary-mid);
        }

        .coverage-card .coverage-icon {
            font-size: 36px;
            margin-bottom: 12px;
            display: block;
        }

        .coverage-card .coverage-name {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }

        .coverage-card .coverage-count {
            font-size: 13px;
            color: var(--color-text-weak);
            margin: 0;
        }

        /* 数据指标条 */
        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .metric-item {
            text-align: center;
            padding: 0 16px;
            border-right: 1px solid var(--color-border-light);
        }

        .metric-item:last-child {
            border-right: none;
        }

        .metric-item .metric-number {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1.1;
        }

        .metric-item .metric-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 6px;
            font-weight: 500;
        }

        /* 流程 */
        .process-flow {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            position: relative;
        }

        .process-step {
            text-align: center;
            position: relative;
        }

        .process-step .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            position: relative;
            z-index: 2;
        }

        .process-step .step-title {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }

        .process-step .step-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .process-flow::after {
            content: '';
            position: absolute;
            top: 26px;
            left: 15%;
            right: 15%;
            height: 2px;
            background: var(--color-border);
            z-index: 1;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: var(--color-border);
        }

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            text-align: left;
            cursor: pointer;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            transition: transform 0.35s ease;
            flex-shrink: 0;
            color: var(--color-text-weak);
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        /* CTA 表单 */
        .cta-form-section {
            background: var(--color-primary-light);
            border-radius: var(--radius-xl);
            padding: 48px;
            max-width: 680px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border);
        }

        .cta-form-section .form-title {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            text-align: center;
            margin: 0 0 8px;
        }

        .cta-form-section .form-subtitle {
            text-align: center;
            color: var(--color-text-secondary);
            font-size: 15px;
            margin: 0 0 28px;
            line-height: 1.6;
        }

        .cta-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .cta-form input,
        .cta-form textarea {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-border);
            font-size: 15px;
            background: #fff;
            color: var(--color-text);
            transition: var(--transition-base);
        }

        .cta-form input:focus,
        .cta-form textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.1);
            outline: none;
        }

        .cta-form textarea {
            min-height: 100px;
            resize: vertical;
        }

        .cta-form .btn-submit {
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            letter-spacing: 0.5px;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: #1a1f2e;
            color: #cbd5e1;
            padding: 56px 0 0;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px 40px;
        }

        .footer-col h4 {
            color: #ffffff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
            color: #94a3b8;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            max-width: var(--container-max);
            margin: 0 auto;
            font-size: 13px;
            color: #64748b;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links-row a {
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links-row a:hover {
            color: #ffffff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .category-hero .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .category-hero {
                min-height: auto;
                padding: 60px 0;
            }
            .category-hero .hero-text h1 {
                font-size: 32px;
            }
            .asymmetric-grid {
                grid-template-columns: 1fr 1fr;
            }
            .asymmetric-grid .grid-card.featured {
                grid-row: span 1;
            }
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
                padding: 24px 20px;
            }
            .metric-item {
                border-right: none;
                border-bottom: 1px solid var(--color-border-light);
                padding: 12px 0;
            }
            .metric-item:nth-child(3),
            .metric-item:nth-child(4) {
                border-bottom: none;
            }
            .process-flow {
                grid-template-columns: repeat(2, 1fr);
                gap: 28px;
            }
            .process-flow::after {
                display: none;
            }
            .two-col-block {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-title {
                font-size: 26px;
            }
            :root {
                --section-gap: 56px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-nav);
                border-top: 1px solid var(--color-border-light);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                width: 100%;
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-ctas {
                gap: 6px;
            }
            .nav-ctas .btn-outline,
            .nav-ctas .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .category-hero {
                padding: 40px 0;
                min-height: auto;
            }
            .category-hero .hero-text h1 {
                font-size: 26px;
            }
            .category-hero .hero-text .hero-subtitle {
                font-size: 15px;
            }
            .hero-live-panel {
                padding: 20px;
            }
            .asymmetric-grid {
                grid-template-columns: 1fr;
            }
            .coverage-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metrics-strip {
                grid-template-columns: 1fr 1fr;
            }
            .process-flow {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .cta-form-section {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .section-title {
                font-size: 22px;
            }
            .two-col-block .text-col h2 {
                font-size: 24px;
            }
            :root {
                --section-gap: 40px;
            }
            .container {
                padding: 0 16px;
            }
            .nav-inner {
                padding: 0 16px;
            }
        }

        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: 1fr;
            }
            .metrics-strip {
                grid-template-columns: 1fr;
            }
            .metric-item {
                border-bottom: 1px solid var(--color-border-light);
                border-right: none;
            }
            .metric-item:last-child {
                border-bottom: none;
            }
            .category-hero .hero-ctas {
                flex-direction: column;
            }
            .hero-live-panel .match-item {
                flex-wrap: wrap;
            }
            .footer-links-row {
                flex-direction: column;
                gap: 8px;
                align-items: center;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 56px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary-lg:active {
            transform: translateY(0);
            box-shadow: 0 3px 12px rgba(245, 124, 46, 0.25);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: -320px;
            width: 300px;
            height: calc(100vh - var(--nav-height));
            background: #fff;
            z-index: 1000;
            padding: 20px;
            overflow-y: auto;
            transition: right 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -4px 0 24px rgba(0, 0, 0, 0.1);
        }

        .mobile-menu-panel.active {
            right: 0;
        }

        .mobile-menu-panel a {
            display: block;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text-secondary);
            transition: var(--transition-base);
            margin-bottom: 4px;
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .mobile-menu-panel .mobile-ctas {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }

        .hero-section {
            position: relative;
            background: linear-gradient(135deg, rgba(26, 111, 181, 0.08) 0%, rgba(245, 124, 46, 0.04) 100%);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-blend-mode: overlay;
            padding: 60px 0 50px;
            min-height: 55vh;
            display: flex;
            align-items: center;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.92) 0%, rgba(248, 250, 252, 0.88) 100%);
            z-index: 1;
        }

        .hero-section .container {
            position: relative;
            z-index: 2;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }

        .hero-content h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .hero-content h1 span {
            color: var(--color-primary);
        }

        .hero-content .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 520px;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-lg);
            max-width: 100%;
            height: auto;
        }

        .countdown-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--color-border);
            border-radius: 50px;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-accent);
            margin-bottom: 16px;
            box-shadow: var(--shadow-card);
        }

        .countdown-badge i {
            font-size: 16px;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(1.3);
            }
        }

        .countdown-timer {
            display: flex;
            gap: 12px;
            margin: 20px 0 28px;
            flex-wrap: wrap;
        }

        .countdown-unit {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 14px 20px;
            text-align: center;
            min-width: 70px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .countdown-unit .countdown-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1.1;
            font-variant-numeric: tabular-nums;
            font-family: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

        .countdown-unit .countdown-label {
            font-size: 12px;
            color: var(--color-text-weak);
            font-weight: 500;
            margin-top: 4px;
            text-transform: uppercase;
            letter-spacing: 1px;
        }

        .subscribe-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            align-items: center;
        }

        .subscribe-input {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-border);
            font-size: 15px;
            width: 260px;
            max-width: 100%;
            background: #fff;
            transition: var(--transition-base);
        }

        .subscribe-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.1);
        }

        .section-gap {
            padding: var(--section-gap) 0;
        }

        .section-gap-sm {
            padding: 40px 0;
        }

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.3px;
        }

        .section-subtitle {
            font-size: 17px;
            color: var(--color-text-secondary);
            margin: 0 0 40px;
            max-width: 640px;
            line-height: 1.6;
        }

        .card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            padding: 28px;
            transition: var(--transition-smooth);
            border: 1px solid transparent;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border-light);
        }

        .card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 16px;
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .metrics-strip {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .metric-item {
            text-align: center;
            padding: 8px;
        }

        .metric-item .metric-num {
            font-size: 44px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1.1;
            margin-bottom: 6px;
        }

        .metric-item .metric-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        .metric-item .metric-icon {
            font-size: 20px;
            color: var(--color-accent);
            margin-bottom: 8px;
        }

        .service-grid-asymmetric {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 20px;
        }

        .service-grid-asymmetric .card-large {
            grid-row: span 2;
        }

        .service-grid-asymmetric .card-wide {
            grid-column: span 2;
        }

        .compare-panel {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .compare-col {
            padding: 24px;
            border-radius: var(--radius-md);
        }

        .compare-col.before {
            background: #fef2f2;
            border: 1px solid #fecaca;
        }

        .compare-col.after {
            background: #f0fdf4;
            border: 1px solid #bbf7d0;
        }

        .compare-col h4 {
            font-size: 18px;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .compare-col.before h4 {
            color: #dc2626;
        }
        .compare-col.after h4 {
            color: #16a34a;
        }

        .compare-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .compare-bar .bar-fill {
            height: 10px;
            border-radius: 5px;
            flex: 1;
            min-width: 60px;
        }

        .compare-bar .bar-fill.low {
            background: #fca5a5;
            width: 30%;
        }
        .compare-bar .bar-fill.high {
            background: #86efac;
            width: 85%;
        }

        .compare-bar .bar-val {
            font-weight: 700;
            font-size: 15px;
            color: var(--color-text);
            min-width: 50px;
            text-align: right;
        }

        .deep-content-block {
            background: linear-gradient(135deg, var(--color-primary-light) 0%, #f0f7fc 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 40px;
            align-items: center;
        }

        .deep-content-block img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
        }

        .deep-content-block .deep-text h3 {
            font-size: 26px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
        }

        .deep-content-block .deep-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin: 0 0 12px;
        }

        .scenario-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .scenario-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            text-align: center;
        }

        .scenario-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .scenario-card .scenario-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: var(--color-primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            color: var(--color-primary);
            margin: 0 auto 16px;
        }

        .scenario-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .scenario-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-question {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            text-align: left;
            transition: var(--transition-base);
            gap: 16px;
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question .faq-icon {
            font-size: 14px;
            color: var(--color-text-weak);
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.75;
        }

        .cta-section {
            background: linear-gradient(135deg, var(--color-primary-deep) 0%, var(--color-primary) 100%);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            text-align: center;
            color: #fff;
        }

        .cta-section h3 {
            font-size: 28px;
            font-weight: 700;
            margin: 0 0 12px;
            color: #fff;
        }

        .cta-section p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.85);
            margin: 0 0 28px;
            max-width: 560px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-form input {
            padding: 12px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid transparent;
            font-size: 15px;
            background: #fff;
            flex: 1;
            min-width: 180px;
            transition: var(--transition-base);
        }

        .cta-form input:focus {
            border-color: var(--color-accent);
            box-shadow: 0 0 0 4px rgba(245, 124, 46, 0.2);
        }

        .cta-form .btn-submit {
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
        }

        .cta-form .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(245, 124, 46, 0.4);
            transform: translateY(-1px);
        }

        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 24px;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 14px;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            margin: 0;
            font-size: 13px;
            color: #94a3b8;
            line-height: 1.7;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 6px;
        }

        .footer-col ul li a {
            color: #94a3b8;
            transition: var(--transition-base);
            font-size: 13px;
        }

        .footer-col ul li a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 28px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 12px;
            color: #64748b;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links-row a {
            color: #64748b;
            transition: var(--transition-base);
        }

        .footer-links-row a:hover {
            color: #fff;
        }

        .footer-links-row span {
            color: #64748b;
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-content h1 {
                font-size: 34px;
            }
            .service-grid-asymmetric {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }
            .service-grid-asymmetric .card-large {
                grid-row: auto;
            }
            .service-grid-asymmetric .card-wide {
                grid-column: span 2;
            }
            .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .deep-content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .compare-panel {
                grid-template-columns: 1fr;
                gap: 20px;
                padding: 24px;
            }
            .scenario-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .nav-links {
                display: none;
            }
            .nav-ctas {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .mobile-menu-overlay {
                display: block;
            }
            .mobile-menu-panel {
                display: block;
            }
            .section-title {
                font-size: 26px;
            }
            .countdown-unit {
                padding: 10px 14px;
                min-width: 56px;
            }
            .countdown-unit .countdown-num {
                font-size: 28px;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                padding: 40px 0 32px;
                min-height: auto;
            }
            .hero-content h1 {
                font-size: 28px;
            }
            .hero-content .hero-subtitle {
                font-size: 15px;
            }
            .service-grid-asymmetric {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .service-grid-asymmetric .card-wide {
                grid-column: span 1;
            }
            .metrics-strip {
                grid-template-columns: repeat(2, 1fr);
                padding: 20px 16px;
            }
            .metric-item .metric-num {
                font-size: 34px;
            }
            .scenario-grid {
                grid-template-columns: 1fr;
            }
            .compare-panel {
                padding: 20px;
            }
            .deep-content-block {
                padding: 28px 20px;
            }
            .cta-section {
                padding: 32px 20px;
            }
            .cta-section h3 {
                font-size: 22px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-links-row {
                justify-content: center;
            }
            .countdown-timer {
                gap: 8px;
            }
            .countdown-unit {
                padding: 8px 10px;
                min-width: 48px;
            }
            .countdown-unit .countdown-num {
                font-size: 24px;
            }
            .subscribe-row {
                flex-direction: column;
                align-items: stretch;
            }
            .subscribe-input {
                width: 100%;
            }
            .section-gap {
                padding: 40px 0;
            }
            .container {
                padding: 0 16px;
            }
            .section-title {
                font-size: 24px;
            }
            .card {
                padding: 20px;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 24px;
            }
            .metrics-strip {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-item .metric-num {
                font-size: 28px;
            }
            .countdown-unit {
                padding: 6px 8px;
                min-width: 40px;
            }
            .countdown-unit .countdown-num {
                font-size: 20px;
            }
            .countdown-unit .countdown-label {
                font-size: 10px;
            }
            .btn-primary-lg {
                padding: 12px 24px;
                font-size: 15px;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 14px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }

        .btn-outline-lg:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* 移动端导航 */
        .mobile-nav-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: #fff;
            z-index: 999;
            padding: 24px;
            flex-direction: column;
            gap: 8px;
            overflow-y: auto;
        }

        .mobile-nav-overlay.active {
            display: flex;
        }

        .mobile-nav-overlay a {
            display: block;
            padding: 14px 18px;
            border-radius: var(--radius-md);
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            transition: var(--transition-base);
        }

        .mobile-nav-overlay a:hover,
        .mobile-nav-overlay a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
            font-weight: 600;
        }

        .mobile-nav-ctas {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 16px;
            padding-top: 16px;
            border-top: 1px solid var(--color-border-light);
        }

        .mobile-nav-ctas .btn-outline,
        .mobile-nav-ctas .btn-primary {
            text-align: center;
            width: 100%;
            padding: 14px 20px;
            font-size: 16px;
        }

        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(175deg, #ffffff 0%, #f0f7fb 40%, #e8f4fc 100%);
            padding: 64px 0 72px;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 550px;
            height: 550px;
            background: radial-gradient(circle, rgba(26, 111, 181, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.5px;
        }

        .hero-title span {
            color: var(--color-primary);
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 20px;
            max-width: 500px;
        }

        .hero-cta-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }

        .hero-stats-mini {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
        }

        .hero-stat-item {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-secondary);
        }

        .hero-stat-item strong {
            font-size: 22px;
            color: var(--color-primary-deep);
            font-weight: 700;
        }

        .hero-visual {
            position: relative;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .hero-report-card {
            background: #fff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            overflow: hidden;
            width: 100%;
            max-width: 420px;
            transition: var(--transition-smooth);
        }

        .hero-report-card:hover {
            box-shadow: 0 16px 48px rgba(0, 0, 0, 0.14);
            transform: translateY(-3px);
        }

        .hero-report-img {
            width: 100%;
            height: 220px;
            object-fit: cover;
            background: var(--color-primary-light);
        }

        .hero-report-body {
            padding: 20px 24px;
        }

        .hero-report-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .hero-report-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 12px;
            line-height: 1.6;
        }

        .hero-report-list {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }

        .hero-report-list li {
            font-size: 13px;
            color: var(--color-text-secondary);
            padding: 4px 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-report-list li i {
            color: var(--color-accent);
            font-size: 12px;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-alt {
            background: #ffffff;
        }

        .section-label {
            font-size: 14px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: 0.3px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            max-width: 680px;
            margin: 0 auto 40px;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header-left {
            text-align: left;
            margin-bottom: 40px;
        }

        /* 卡片 */
        .card {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            flex-shrink: 0;
        }

        .card-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 10px;
            line-height: 1.4;
        }

        .card-body p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 16px;
            flex: 1;
        }

        .card-tag {
            display: inline-block;
            padding: 4px 12px;
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .card-link {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            transition: var(--transition-base);
        }

        .card-link:hover {
            color: var(--color-primary-deep);
            gap: 10px;
        }

        .card-link i {
            font-size: 12px;
            transition: var(--transition-base);
        }

        /* 非对称Grid */
        .grid-asym {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 24px;
        }

        .grid-asym-2 {
            display: grid;
            grid-template-columns: 1fr 1.4fr;
            gap: 32px;
            align-items: center;
        }

        .grid-asym-3 {
            display: grid;
            grid-template-columns: 1fr 1fr 1.5fr;
            gap: 24px;
        }

        /* 深度正文区 */
        .deep-content {
            background: var(--color-primary-light);
            border-radius: var(--radius-lg);
            padding: 48px 56px;
            position: relative;
            border-left: 5px solid var(--color-primary);
        }

        .deep-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-primary-deep);
            margin: 0 0 16px;
        }

        .deep-content p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text);
            margin: 0 0 14px;
        }

        .deep-content p:last-child {
            margin-bottom: 0;
        }

        .deep-content .highlight-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-accent);
            float: left;
            line-height: 1;
            margin-right: 16px;
            margin-top: 4px;
        }

        /* 资讯列表 */
        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            align-items: flex-start;
        }

        .news-list-item:hover {
            background: #fafcfd;
            padding-left: 12px;
            border-radius: var(--radius-sm);
        }

        .news-date-badge {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            background: var(--color-primary);
            color: #fff;
            border-radius: var(--radius-sm);
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            line-height: 1.2;
        }

        .news-date-badge .day {
            font-size: 22px;
        }

        .news-date-badge .month {
            font-size: 12px;
            opacity: 0.9;
        }

        .news-content h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
            line-height: 1.4;
        }

        .news-content p {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin: 0 0 8px;
            line-height: 1.6;
        }

        .news-content .news-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .news-content .news-link:hover {
            color: var(--color-primary-deep);
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            background: none;
            text-align: left;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
        }

        .faq-question i {
            font-size: 14px;
            color: var(--color-text-weak);
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-question i {
            transform: rotate(45deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        /* 表单 */
        .cta-form-card {
            background: #ffffff;
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 40px 48px;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-form-card h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            text-align: center;
        }

        .cta-form-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            text-align: center;
            margin: 0 0 24px;
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--color-text);
            background: #fafcfd;
            transition: var(--transition-base);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(26, 111, 181, 0.08);
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 14px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
            margin-top: 8px;
        }

        .form-submit-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 20px rgba(245, 124, 46, 0.4);
            transform: translateY(-1px);
        }

        /* 赛事覆盖网格 */
        .sport-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .sport-item {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            cursor: default;
        }

        .sport-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .sport-item i {
            font-size: 36px;
            color: var(--color-primary);
            margin-bottom: 12px;
            display: block;
        }

        .sport-item h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 4px;
        }

        .sport-item span {
            font-size: 13px;
            color: var(--color-text-weak);
        }

        /* 步骤 */
        .steps-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
        }

        .step-card {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 32px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            position: relative;
            transition: var(--transition-smooth);
        }

        .step-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 20px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
        }

        .step-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .step-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* 页脚 */
        .site-footer {
            background: #1a2332;
            color: #cbd5e1;
            padding: 56px 0 28px;
            font-size: 14px;
            line-height: 1.8;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto 40px;
            padding: 0 24px;
        }

        .footer-col h4 {
            font-size: 16px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            margin: 0;
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            color: #cbd5e1;
            transition: var(--transition-base);
            font-size: 14px;
        }

        .footer-col ul li a:hover {
            color: #ffffff;
            padding-left: 4px;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links-row a {
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links-row a:hover {
            color: #ffffff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-title {
                font-size: 32px;
            }
            .hero-visual {
                order: -1;
            }
            .hero-report-card {
                max-width: 100%;
            }
            .grid-asym,
            .grid-asym-3 {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .grid-asym-2 {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .sport-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .steps-row {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .section-title {
                font-size: 28px;
            }
            .deep-content {
                padding: 32px 28px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-ctas {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .hero-section {
                padding: 40px 0 48px;
            }
            .hero-title {
                font-size: 26px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .hero-stats-mini {
                gap: 16px;
            }
            .section {
                padding: 48px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .section-desc {
                font-size: 15px;
                margin-bottom: 28px;
            }
            .grid-asym,
            .grid-asym-3 {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .sport-grid {
                grid-template-columns: 1fr 1fr;
            }
            .steps-row {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .cta-form-card {
                padding: 28px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
                gap: 12px;
            }
            .deep-content {
                padding: 24px 20px;
            }
            .deep-content .highlight-num {
                font-size: 36px;
                float: none;
                display: block;
                margin-bottom: 8px;
            }
            .news-list-item {
                flex-direction: column;
                gap: 10px;
            }
            .news-date-badge {
                width: 48px;
                height: 48px;
            }
            .news-date-badge .day {
                font-size: 18px;
            }
            .container {
                padding: 0 16px;
            }
            .hero-cta-row {
                flex-direction: column;
            }
            .hero-cta-row .btn-primary-lg,
            .hero-cta-row .btn-outline-lg {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 22px;
            }
            .hero-report-img {
                height: 160px;
            }
            .section-title {
                font-size: 21px;
            }
            .sport-grid {
                grid-template-columns: 1fr;
            }
            .card-img-top {
                height: 160px;
            }
            .faq-question {
                font-size: 14px;
                padding: 16px 18px;
            }
            .faq-item.active .faq-answer {
                padding: 0 18px 16px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }
        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }
        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }
        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }
        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .nav-ctas {
                gap: 6px;
            }
            .btn-outline {
                padding: 8px 14px;
                font-size: 13px;
            }
            .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px 24px;
                gap: 4px;
                box-shadow: var(--shadow-nav);
                border-top: 1px solid var(--color-border-light);
                z-index: 999;
            }
            .nav-links.mobile-open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 16px;
                border-radius: var(--radius-sm);
            }
            .nav-ctas {
                gap: 8px;
            }
            .btn-outline {
                padding: 8px 12px;
                font-size: 13px;
            }
            .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo i {
                font-size: 22px;
            }
        }

        @media (max-width: 480px) {
            .nav-ctas .btn-outline {
                display: none;
            }
            .nav-ctas .btn-primary {
                padding: 8px 12px;
                font-size: 12px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo i {
                font-size: 20px;
            }
        }

        /* 板块间距 */
        .section {
            padding: var(--section-gap) 0;
        }
        .section-sm {
            padding: 40px 0;
        }
        .section-lg {
            padding: 100px 0;
        }
        @media (max-width: 768px) {
            .section {
                padding: 48px 0;
            }
            .section-lg {
                padding: 60px 0;
            }
            .section-sm {
                padding: 28px 0;
            }
        }

        /* Hero */
        .hero-bg {
            position: relative;
            background: linear-gradient(160deg, #f0f7fc 0%, #e8f4fc 30%, #f8fafc 60%, #ffffff 100%);
            overflow: hidden;
            min-height: 520px;
            display: flex;
            align-items: center;
        }
        .hero-bg::before {
            content: '';
            position: absolute;
            top: -120px;
            right: -180px;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(26, 111, 181, 0.06) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-bg::after {
            content: '';
            position: absolute;
            bottom: -80px;
            left: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(245, 124, 46, 0.05) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-bg {
                min-height: auto;
                padding: 40px 0;
            }
        }

        /* 倒计时环 */
        .countdown-ring-wrap {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }
        .countdown-ring {
            position: relative;
            width: 200px;
            height: 200px;
        }
        .countdown-ring svg {
            transform: rotate(-90deg);
            width: 200px;
            height: 200px;
        }
        .countdown-ring .bg-circle {
            fill: none;
            stroke: #e2e8f0;
            stroke-width: 10;
        }
        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.8s ease;
        }
        .countdown-inner {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
            z-index: 3;
        }
        .countdown-inner .time-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
            letter-spacing: -1px;
        }
        .countdown-inner .time-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            margin-top: 4px;
            font-weight: 500;
        }
        .countdown-inner .match-hint {
            font-size: 12px;
            color: var(--color-accent);
            margin-top: 6px;
            font-weight: 600;
            background: #fff8f2;
            padding: 4px 10px;
            border-radius: 20px;
            display: inline-block;
        }
        @media (max-width: 768px) {
            .countdown-ring {
                width: 150px;
                height: 150px;
            }
            .countdown-ring svg {
                width: 150px;
                height: 150px;
            }
            .countdown-inner .time-num {
                font-size: 36px;
            }
            .countdown-inner .time-label {
                font-size: 12px;
            }
        }

        /* 卖点轮播 */
        .carousel-dots {
            display: flex;
            gap: 8px;
            margin-top: 16px;
            justify-content: center;
        }
        .carousel-dots .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #cbd5e1;
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            padding: 0;
        }
        .carousel-dots .dot.active {
            background: var(--color-accent);
            width: 28px;
            border-radius: 20px;
        }
        .carousel-slide {
            transition: opacity 0.5s ease, transform 0.5s ease;
        }

        /* 卡片 */
        .card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }
        .card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: var(--color-border);
        }
        .card-body {
            padding: 24px;
        }
        .card-img-top {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }
        @media (max-width: 768px) {
            .card-img-top {
                height: 160px;
            }
        }

        /* 指标看板 */
        .metric-card {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary-light);
        }
        .metric-num {
            font-size: 52px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
            letter-spacing: -1px;
        }
        .metric-num span {
            font-size: 28px;
            color: var(--color-accent);
        }
        .metric-label {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }
        .metric-icon {
            font-size: 32px;
            color: var(--color-primary-mid);
            margin-bottom: 8px;
        }
        @media (max-width: 768px) {
            .metric-num {
                font-size: 38px;
            }
            .metric-card {
                padding: 20px 16px;
            }
        }

        /* FAQ手风琴 */
        .faq-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            background: var(--color-surface);
            overflow: hidden;
            transition: var(--transition-base);
        }
        .faq-item:hover {
            border-color: var(--color-border);
        }
        .faq-question {
            width: 100%;
            padding: 18px 24px;
            text-align: left;
            background: none;
            font-size: 17px;
            font-weight: 600;
            color: var(--color-text);
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-primary);
            background: #fafcfd;
        }
        .faq-question i {
            font-size: 16px;
            color: var(--color-text-weak);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* 表单 */
        .form-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 40px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            max-width: 600px;
            margin: 0 auto;
        }
        .form-input {
            width: 100%;
            padding: 14px 18px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-border);
            font-size: 16px;
            background: #fafcfd;
            transition: var(--transition-base);
            color: var(--color-text);
        }
        .form-input:focus {
            border-color: var(--color-primary-mid);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.08);
            background: #fff;
        }
        .form-input::placeholder {
            color: var(--color-text-weak);
        }
        .form-label {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            margin-bottom: 6px;
            display: block;
        }
        .form-group {
            margin-bottom: 20px;
        }
        @media (max-width: 768px) {
            .form-card {
                padding: 24px 20px;
            }
        }

        /* 对比条 */
        .compare-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 12px;
        }
        .compare-bar .bar-label {
            font-weight: 600;
            font-size: 14px;
            min-width: 80px;
            text-align: right;
            color: var(--color-text-secondary);
        }
        .compare-bar .bar-track {
            flex: 1;
            height: 28px;
            background: #f1f5f9;
            border-radius: 20px;
            overflow: hidden;
            position: relative;
        }
        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 20px;
            transition: width 1.2s ease;
            display: flex;
            align-items: center;
            padding-left: 12px;
            font-size: 13px;
            font-weight: 700;
            color: #fff;
            min-width: 40px;
        }
        .bar-fill.before {
            background: #cbd5e1;
            color: #64748b;
        }
        .bar-fill.after {
            background: var(--color-primary-mid);
        }
        .bar-fill.highlight {
            background: var(--color-accent);
        }

        /* 页脚 */
        .site-footer {
            background: #1a2332;
            color: #cbd5e1;
            padding: 56px 0 0;
            margin-top: 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-col h4 {
            color: #ffffff;
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: 0.3px;
        }
        .footer-col p {
            font-size: 14px;
            line-height: 1.8;
            color: #94a3b8;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            font-size: 14px;
            transition: var(--transition-base);
        }
        .footer-col ul li a:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding: 20px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            max-width: var(--container-max);
            margin-left: auto;
            margin-right: auto;
            font-size: 13px;
            color: #64748b;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row a {
            color: #94a3b8;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-links-row a:hover {
            color: #ffffff;
        }
        .footer-links-row span {
            color: #64748b;
            font-size: 13px;
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
                gap: 10px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }

        /* 非对称网格 */
        .asymmetric-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 24px;
        }
        .asymmetric-grid .grid-item {
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
        }
        .asymmetric-grid .grid-item:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .asymmetric-grid .grid-item.wide {
            grid-column: span 2;
        }
        @media (max-width: 768px) {
            .asymmetric-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .asymmetric-grid .grid-item.wide {
                grid-column: span 1;
            }
        }

        /* 双栏图文 */
        .dual-col {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .dual-col.reverse {
            direction: rtl;
        }
        .dual-col.reverse>* {
            direction: ltr;
        }
        @media (max-width: 768px) {
            .dual-col {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        /* 标签 */
        .tag {
            display: inline-block;
            padding: 6px 14px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.3px;
        }
        .tag-accent {
            background: #fff3e8;
            color: var(--color-accent);
        }
        .tag-primary {
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
        }
        .tag-green {
            background: #e8f8f0;
            color: #0d7a4a;
        }

        /* 亮点列表 */
        .highlight-list {
            list-style: none;
            padding: 0;
        }
        .highlight-list li {
            padding: 10px 0 10px 28px;
            position: relative;
            font-size: 16px;
            color: var(--color-text);
            line-height: 1.7;
        }
        .highlight-list li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 12px;
            color: var(--color-accent);
            font-size: 14px;
        }

        /* 滚动动画 */
        .fade-in-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }

        /* 比分快报条 */
        .score-ticker {
            background: var(--color-primary-deep);
            color: #fff;
            padding: 10px 0;
            overflow: hidden;
            white-space: nowrap;
        }
        .score-ticker-inner {
            display: inline-block;
            animation: ticker-scroll 35s linear infinite;
        }
        .score-ticker-item {
            display: inline-block;
            margin: 0 32px;
            font-size: 14px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }
        .score-ticker-item .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: #ff3b3b;
            border-radius: 50%;
            margin-right: 6px;
            animation: pulse-dot 1.2s infinite;
        }
        @keyframes ticker-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

@media (max-width: 768px) {
                    .metrics-grid {
                        grid-template-columns: repeat(2, 1fr) !important;
                        gap: 12px !important;
                    }
                }
                @media (max-width: 480px) {
                    .metrics-grid {
                        grid-template-columns: 1fr 1fr !important;
                        gap: 10px !important;
                    }
                }

@media (max-width: 768px) {
                        .process-grid {
                            grid-template-columns: 1fr !important;
                            gap: 16px !important;
                        }
                    }

/* roulang page: category6 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }
        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }
        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }
        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }
        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }
        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }
        .nav-links::-webkit-scrollbar {
            display: none;
        }
        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }
        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }
        .nav-links a.active {
            font-weight: 600;
        }
        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }
        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }
        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }
        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }
        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
        }
        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .mobile-menu-toggle:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 65vh;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, #f0f7fc 0%, #ffffff 60%);
            overflow: hidden;
            padding: 40px 0 60px;
        }
        .hero-bg-pattern {
            position: absolute;
            inset: 0;
            pointer-events: none;
            opacity: 0.06;
            background-image: radial-gradient(circle at 20% 30%, var(--color-primary) 1px, transparent 1px),
                radial-gradient(circle at 70% 60%, var(--color-primary) 2px, transparent 2px),
                radial-gradient(circle at 40% 80%, var(--color-accent) 1.5px, transparent 1.5px);
            background-size: 60px 60px, 90px 90px, 70px 70px;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            width: 100%;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.3px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(26, 111, 181, 0.25);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(26, 111, 181, 0);
            }
        }
        .hero-badge i {
            color: var(--color-accent);
            font-size: 12px;
        }
        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .hero-title .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero-title .highlight-accent {
            color: var(--color-accent);
        }
        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0 0 28px;
            max-width: 520px;
        }

        /* 倒计时环 */
        .countdown-ring-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-bottom: 28px;
            flex-wrap: wrap;
        }
        .countdown-ring {
            position: relative;
            width: 100px;
            height: 100px;
            flex-shrink: 0;
        }
        .countdown-ring svg {
            transform: rotate(-90deg);
            width: 100px;
            height: 100px;
        }
        .countdown-ring .bg-circle {
            fill: none;
            stroke: var(--color-border-light);
            stroke-width: 8;
        }
        .countdown-ring .progress-circle {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 0.6s ease;
        }
        .countdown-ring .ring-text {
            position: absolute;
            inset: 0;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }
        .countdown-ring .ring-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1;
        }
        .countdown-ring .ring-label {
            font-size: 11px;
            color: var(--color-text-secondary);
            font-weight: 500;
            margin-top: 2px;
        }
        .countdown-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .countdown-info .countdown-title {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-text);
        }
        .countdown-info .countdown-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
        }
        .countdown-dots {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .countdown-dot-item {
            text-align: center;
            min-width: 56px;
        }
        .countdown-dot-item .dot-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
        }
        .countdown-dot-item .dot-label {
            font-size: 12px;
            color: var(--color-text-weak);
            margin-top: 4px;
            font-weight: 500;
        }

        /* 卖点轮播 */
        .carousel-dots-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .carousel-dot {
            width: 42px;
            height: 6px;
            border-radius: 3px;
            background: var(--color-border);
            cursor: pointer;
            transition: var(--transition-base);
            border: none;
            padding: 0;
        }
        .carousel-dot.active {
            background: var(--color-accent);
            width: 56px;
        }
        .carousel-dot:hover {
            background: var(--color-primary-mid);
        }
        .carousel-feature-text {
            font-size: 15px;
            color: var(--color-text-secondary);
            font-weight: 500;
            min-height: 24px;
            transition: var(--transition-base);
            letter-spacing: 0.2px;
        }
        .carousel-feature-text i {
            color: var(--color-accent);
            margin-right: 6px;
        }

        /* 指标看板 */
        .metrics-section {
            padding: var(--section-gap) 0;
            background: #ffffff;
        }
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .metric-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
            border-color: transparent;
        }
        .metric-icon {
            font-size: 36px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .metric-num {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.1;
            letter-spacing: -1px;
        }
        .metric-num .plus {
            color: var(--color-accent);
            font-size: 32px;
        }
        .metric-label {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-top: 8px;
            font-weight: 500;
        }

        /* 服务矩阵 */
        .services-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            text-transform: uppercase;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 8px;
            letter-spacing: 0.3px;
        }
        .section-desc {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
        }
        .services-grid {
            display: grid;
            grid-template-columns: 1.3fr 0.9fr 1.1fr 0.8fr 1fr;
            gap: 20px;
        }
        .service-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 12px;
            box-shadow: var(--shadow-card);
        }
        .service-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .service-card .svc-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            background: var(--color-primary-light);
            color: var(--color-primary);
            flex-shrink: 0;
        }
        .service-card .svc-icon.accent {
            background: #fff5ee;
            color: var(--color-accent);
        }
        .service-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }
        .service-card p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            flex-grow: 1;
        }

        /* 结果对比 */
        .compare-section {
            padding: var(--section-gap) 0;
            background: #ffffff;
        }
        .compare-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: stretch;
        }
        .compare-card {
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            border: 2px solid var(--color-border-light);
            transition: var(--transition-base);
        }
        .compare-card.before {
            background: #fef5f0;
            border-color: #fdd8c4;
        }
        .compare-card.after {
            background: #f0f7fc;
            border-color: #c4ddf0;
            box-shadow: var(--shadow-card);
        }
        .compare-card h3 {
            font-size: 22px;
            font-weight: 700;
            margin: 0 0 16px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .compare-card.before h3 {
            color: #c0392b;
        }
        .compare-card.after h3 {
            color: var(--color-primary-deep);
        }
        .compare-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .compare-card li {
            padding: 10px 0;
            border-bottom: 1px dashed var(--color-border-light);
            font-size: 15px;
            color: var(--color-text-secondary);
            display: flex;
            align-items: flex-start;
            gap: 10px;
            line-height: 1.6;
        }
        .compare-card li:last-child {
            border-bottom: none;
        }
        .compare-card li i {
            margin-top: 3px;
            flex-shrink: 0;
        }
        .compare-card.before li i {
            color: #c0392b;
        }
        .compare-card.after li i {
            color: #27ae60;
        }
        .compare-bar-wrap {
            display: flex;
            gap: 16px;
            margin-top: 20px;
            flex-wrap: wrap;
        }
        .compare-bar {
            flex: 1;
            min-width: 120px;
        }
        .compare-bar .bar-label {
            font-size: 13px;
            color: var(--color-text-weak);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .compare-bar .bar-track {
            height: 14px;
            background: var(--color-border-light);
            border-radius: 7px;
            overflow: hidden;
        }
        .compare-bar .bar-fill {
            height: 100%;
            border-radius: 7px;
            transition: width 1.2s ease;
        }
        .bar-fill.orange {
            background: var(--color-accent);
        }
        .bar-fill.blue {
            background: var(--color-primary);
        }

        /* 品牌介绍 */
        .intro-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1.3fr;
            gap: 48px;
            align-items: center;
        }
        .intro-image-wrap {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            aspect-ratio: 4/3;
            position: relative;
        }
        .intro-image-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .intro-image-wrap::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26, 111, 181, 0.08) 0%, transparent 50%);
            pointer-events: none;
        }
        .intro-text h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .intro-text p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.85;
            margin: 0 0 14px;
        }
        .intro-text p:last-child {
            margin-bottom: 0;
        }

        /* 话题圈子 */
        .topics-section {
            padding: var(--section-gap) 0;
            background: #ffffff;
        }
        .topics-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .topic-card {
            background: var(--color-bg);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .topic-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .topic-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }
        .topic-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .topic-card:hover .topic-card-img img {
            transform: scale(1.05);
        }
        .topic-card-body {
            padding: 20px;
        }
        .topic-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .topic-card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0 0 12px;
        }
        .topic-stats {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--color-text-weak);
            font-weight: 500;
        }
        .topic-stats span {
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .topic-stats i {
            font-size: 12px;
        }

        /* FAQ */
        .faq-section {
            padding: var(--section-gap) 0;
            background: var(--color-bg);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .faq-item:hover {
            box-shadow: var(--shadow-card-hover);
        }
        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            text-align: left;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            border: none;
            transition: var(--transition-base);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--color-text-weak);
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }
        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--color-accent);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
        }
        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
        }

        /* CTA表单 */
        .cta-section {
            padding: var(--section-gap) 0;
            background: #ffffff;
        }
        .cta-card {
            background: var(--color-bg);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            max-width: 700px;
            margin: 0 auto;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
            text-align: center;
        }
        .cta-card h3 {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
        }
        .cta-card .cta-sub {
            font-size: 16px;
            color: var(--color-text-secondary);
            margin: 0 0 28px;
        }
        .form-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            text-align: left;
        }
        .form-grid .full-width {
            grid-column: 1 / -1;
        }
        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 2px solid var(--color-border);
            font-size: 15px;
            color: var(--color-text);
            background: #ffffff;
            transition: var(--transition-base);
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(26, 111, 181, 0.08);
        }
        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }
        .form-submit-btn {
            margin-top: 16px;
            width: 100%;
            padding: 14px;
            font-size: 17px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            color: #fff;
            letter-spacing: 0.5px;
            transition: var(--transition-base);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            cursor: pointer;
            border: none;
        }
        .form-submit-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: #1a2634;
            color: #cbd5e1;
            padding: 56px 0 0;
            font-size: 14px;
            line-height: 1.8;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }
        .footer-col p {
            margin: 0;
            font-size: 14px;
            color: #94a3b8;
            line-height: 1.7;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 8px;
        }
        .footer-col ul li a {
            color: #94a3b8;
            transition: var(--transition-base);
            font-size: 14px;
        }
        .footer-col ul li a:hover {
            color: #ffffff;
            padding-left: 4px;
        }
        .footer-bottom {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 20px 24px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 13px;
            color: #64748b;
        }
        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .footer-links-row a {
            color: #94a3b8;
            font-size: 13px;
            transition: var(--transition-base);
        }
        .footer-links-row a:hover {
            color: #ffffff;
        }
        .footer-links-row span {
            color: #64748b;
            font-size: 13px;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-title {
                font-size: 34px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .services-grid {
                grid-template-columns: 1fr 1fr;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .intro-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .topics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 14px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
            }
            .nav-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #ffffff;
                flex-direction: column;
                padding: 16px;
                box-shadow: var(--shadow-nav);
                border-radius: 0 0 var(--radius-md) var(--radius-md);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-ctas {
                gap: 6px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 12px;
                font-size: 13px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 14px;
                font-size: 13px;
            }
            .hero-section {
                min-height: auto;
                padding: 32px 0 40px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .countdown-ring {
                width: 80px;
                height: 80px;
            }
            .countdown-ring svg {
                width: 80px;
                height: 80px;
            }
            .countdown-ring .ring-num {
                font-size: 22px;
            }
            .countdown-dot-item .dot-num {
                font-size: 24px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-card {
                padding: 20px 14px;
            }
            .metric-num {
                font-size: 36px;
            }
            .services-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .topics-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .section-title {
                font-size: 26px;
            }
            .cta-card {
                padding: 28px 20px;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
            }
            .compare-bar-wrap {
                flex-direction: column;
            }
            .container {
                padding: 0 16px;
            }
            .hero-inner {
                gap: 20px;
            }
            .countdown-ring-wrap {
                gap: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 24px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo i {
                font-size: 20px;
            }
            .nav-ctas .btn-outline {
                display: none;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .metric-num {
                font-size: 28px;
            }
            .metric-card {
                padding: 16px 10px;
            }
            .countdown-dots {
                gap: 8px;
            }
            .countdown-dot-item {
                min-width: 44px;
            }
            .countdown-dot-item .dot-num {
                font-size: 20px;
            }
            .section-title {
                font-size: 22px;
            }
            .compare-card {
                padding: 20px 16px;
            }
            .compare-card h3 {
                font-size: 18px;
            }
            .cta-card h3 {
                font-size: 22px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
            :root {
                --section-gap: 48px;
            }
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
            flex: 1;
            justify-content: center;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
            cursor: pointer;
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
            letter-spacing: 0.5px;
        }

        .btn-outline-lg:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
            transform: translateY(-2px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 26px;
            color: var(--color-text);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .mobile-menu-toggle:hover {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .mobile-menu-overlay {
            display: none;
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(0, 0, 0, 0.5);
            z-index: 999;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .mobile-menu-overlay.active {
            opacity: 1;
        }

        .mobile-menu-panel {
            display: none;
            position: fixed;
            top: var(--nav-height);
            right: 0;
            width: 300px;
            max-width: 85vw;
            bottom: 0;
            background: #ffffff;
            z-index: 1000;
            padding: 24px;
            overflow-y: auto;
            transform: translateX(100%);
            transition: transform 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            box-shadow: -4px 0 20px rgba(0, 0, 0, 0.1);
        }

        .mobile-menu-panel.active {
            transform: translateX(0);
        }

        .mobile-menu-panel a {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 500;
            color: var(--color-text);
            border-radius: var(--radius-sm);
            margin-bottom: 4px;
            transition: var(--transition-base);
        }

        .mobile-menu-panel a:hover,
        .mobile-menu-panel a.active {
            background: var(--color-primary-light);
            color: var(--color-primary);
        }

        .mobile-menu-panel a.active {
            font-weight: 700;
        }

        .mobile-menu-ctas {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border-light);
        }

        .mobile-menu-ctas button {
            width: 100%;
            text-align: center;
            justify-content: center;
        }

        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 8px 10px;
                font-size: 14px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .nav-ctas {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .mobile-menu-overlay {
                display: block;
            }
            .mobile-menu-panel {
                display: block;
            }
            .nav-inner {
                padding: 0 16px;
            }
            .nav-logo {
                font-size: 19px;
            }
            .nav-logo i {
                font-size: 22px;
            }
        }

        /* Hero */
        .hero-section {
            position: relative;
            min-height: 55vh;
            display: flex;
            align-items: center;
            background: linear-gradient(135deg, rgba(26, 111, 181, 0.08) 0%, rgba(26, 111, 181, 0.02) 50%, rgba(255, 255, 255, 0.9) 100%),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-blend-mode: overlay;
            padding: 60px 0;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(255, 255, 255, 0.55) 0%, rgba(248, 250, 252, 0.8) 100%);
            z-index: 1;
            pointer-events: none;
        }

        .hero-inner {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            width: 100%;
        }

        .hero-text {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-accent);
            color: #fff;
            padding: 8px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            width: fit-content;
            animation: pulse-badge 2s ease-in-out infinite;
        }

        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(245, 124, 46, 0.4);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(245, 124, 46, 0);
            }
        }

        .hero-badge i {
            font-size: 12px;
            animation: blink-dot 1.2s ease-in-out infinite;
        }

        @keyframes blink-dot {
            0%,
            100% {
                opacity: 1;
            }
            50% {
                opacity: 0.3;
            }
        }

        .hero-text h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--color-text);
            margin: 0;
            letter-spacing: -0.5px;
        }

        .hero-text h1 span {
            color: var(--color-primary);
            position: relative;
        }

        .hero-text h1 span::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--color-primary-light);
            border-radius: 2px;
            z-index: -1;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 500px;
        }

        .hero-countdown-wrap {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            background: #ffffff;
            padding: 16px 20px;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            width: fit-content;
            border: 1px solid var(--color-border-light);
        }

        .countdown-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-secondary);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .countdown-label i {
            color: var(--color-accent);
        }

        .countdown-timer {
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .countdown-unit {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
        }

        .countdown-num {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary-deep);
            background: var(--color-primary-light);
            border-radius: var(--radius-sm);
            padding: 6px 12px;
            min-width: 52px;
            text-align: center;
            line-height: 1;
            letter-spacing: 1px;
        }

        .countdown-sep {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1;
        }

        .countdown-unit-label {
            font-size: 11px;
            color: var(--color-text-weak);
            font-weight: 500;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .hero-visual {
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-visual-card {
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            width: 100%;
            max-width: 460px;
            border: 1px solid var(--color-border-light);
        }

        .hero-visual-card img {
            width: 100%;
            height: auto;
            aspect-ratio: 16/10;
            object-fit: cover;
            border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        }

        .hero-visual-card-body {
            padding: 16px 20px;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .hero-visual-card-body .card-tag {
            display: inline-block;
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            width: fit-content;
        }

        .hero-visual-card-body h4 {
            margin: 0;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.4;
        }

        .hero-visual-card-body p {
            margin: 0;
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding: 40px 0;
            }
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-text h1 {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 16px;
            }
            .countdown-num {
                font-size: 24px;
                padding: 4px 10px;
                min-width: 40px;
            }
            .countdown-sep {
                font-size: 22px;
            }
            .hero-visual-card {
                max-width: 100%;
            }
            .hero-countdown-wrap {
                padding: 12px 16px;
                gap: 10px;
            }
        }

        /* 板块通用 */
        .section-block {
            padding: var(--section-gap) 0;
        }

        .section-block-alt {
            padding: var(--section-gap) 0;
            background: #ffffff;
        }

        .section-block-tinted {
            padding: var(--section-gap) 0;
            background: var(--color-primary-light);
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 12px;
            letter-spacing: -0.3px;
        }

        .section-header p {
            font-size: 17px;
            color: var(--color-text-secondary);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.6;
        }

        @media (max-width: 768px) {
            .section-header h2 {
                font-size: 24px;
            }
            .section-header p {
                font-size: 15px;
            }
            .section-block,
            .section-block-alt,
            .section-block-tinted {
                padding: 48px 0;
            }
        }

        /* 指标看板 */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .metric-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px 24px;
            text-align: center;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 10px;
        }

        .metric-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .metric-icon {
            font-size: 36px;
            color: var(--color-primary);
            margin-bottom: 4px;
        }

        .metric-number {
            font-size: 48px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
            letter-spacing: -1px;
        }

        .metric-label {
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
        }

        @media (max-width: 768px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .metric-card {
                padding: 20px 16px;
            }
            .metric-number {
                font-size: 36px;
            }
            .metric-icon {
                font-size: 28px;
            }
        }

        @media (max-width: 480px) {
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .metric-number {
                font-size: 30px;
            }
        }

        /* 服务矩阵 - 非对称Grid */
        .services-asym-grid {
            display: grid;
            grid-template-columns: 1.2fr 0.8fr 1fr;
            gap: 20px;
        }

        .service-card-asym {
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 28px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            height: fit-content;
        }

        .service-card-asym:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .service-card-asym.large {
            grid-row: span 2;
        }

        .service-card-asym .svc-icon {
            font-size: 32px;
            color: var(--color-primary);
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-light);
            border-radius: var(--radius-md);
            flex-shrink: 0;
        }

        .service-card-asym h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }

        .service-card-asym p {
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .service-card-asym .svc-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition-base);
            cursor: pointer;
        }

        .service-card-asym .svc-link:hover {
            color: var(--color-primary-deep);
            gap: 10px;
        }

        @media (max-width: 768px) {
            .services-asym-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card-asym.large {
                grid-row: auto;
            }
            .service-card-asym {
                padding: 20px;
            }
        }

        /* 结果对比 */
        .compare-dual {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .compare-panel {
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 32px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .compare-panel.negative {
            border-left: 5px solid #e2e8f0;
            background: #fafbfc;
        }

        .compare-panel.positive {
            border-left: 5px solid var(--color-primary);
            background: #ffffff;
        }

        .compare-panel h3 {
            font-size: 20px;
            font-weight: 700;
            margin: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .compare-panel.negative h3 {
            color: #94a3b8;
        }

        .compare-panel.positive h3 {
            color: var(--color-primary-deep);
        }

        .compare-panel h3 i {
            font-size: 22px;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .compare-list li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 15px;
            line-height: 1.6;
            color: var(--color-text);
        }

        .compare-panel.negative .compare-list li i {
            color: #cbd5e1;
            font-size: 16px;
            margin-top: 3px;
        }

        .compare-panel.positive .compare-list li i {
            color: var(--color-primary);
            font-size: 16px;
            margin-top: 3px;
        }

        .compare-bar-group {
            display: flex;
            flex-direction: column;
            gap: 16px;
            margin-top: 8px;
        }

        .compare-bar-item {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .compare-bar-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-secondary);
            display: flex;
            justify-content: space-between;
        }

        .compare-bar-track {
            height: 10px;
            background: #f1f5f9;
            border-radius: 5px;
            overflow: hidden;
        }

        .compare-bar-fill {
            height: 100%;
            border-radius: 5px;
            transition: width 1.2s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .compare-bar-fill.weak {
            background: #cbd5e1;
        }

        .compare-bar-fill.strong {
            background: var(--color-primary);
        }

        @media (max-width: 768px) {
            .compare-dual {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-panel {
                padding: 20px;
            }
        }

        /* 品牌介绍 */
        .brand-intro-block {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
            background: #ffffff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
        }

        .brand-intro-image {
            height: 100%;
            min-height: 320px;
        }

        .brand-intro-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        .brand-intro-content {
            padding: 36px 40px 36px 0;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .brand-intro-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }

        .brand-intro-content p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0;
        }

        @media (max-width: 768px) {
            .brand-intro-block {
                grid-template-columns: 1fr;
                gap: 0;
            }
            .brand-intro-image {
                min-height: 200px;
            }
            .brand-intro-content {
                padding: 24px;
            }
            .brand-intro-content h3 {
                font-size: 20px;
            }
            .brand-intro-content p {
                font-size: 15px;
            }
        }

        /* 专家阵容 */
        .experts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .expert-card {
            background: #ffffff;
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .expert-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }

        .expert-card img {
            width: 100%;
            aspect-ratio: 3/2;
            object-fit: cover;
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .expert-card-body {
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .expert-card-body h4 {
            font-size: 18px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
        }

        .expert-card-body .expert-role {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-primary);
            background: var(--color-primary-light);
            padding: 4px 10px;
            border-radius: 50px;
            width: fit-content;
        }

        .expert-card-body p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        @media (max-width: 768px) {
            .experts-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
        }

        @media (min-width: 769px) and (max-width: 1024px) {
            .experts-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* 解读案例列表 */
        .insight-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .insight-list-item {
            display: grid;
            grid-template-columns: 100px 1fr auto;
            gap: 20px;
            align-items: center;
            background: #ffffff;
            border-radius: var(--radius-md);
            padding: 20px 24px;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--color-border-light);
            transition: var(--transition-smooth);
        }

        .insight-list-item:hover {
            box-shadow: var(--shadow-card-hover);
            border-color: var(--color-primary-light);
        }

        .insight-date {
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .insight-date .day {
            font-size: 36px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
        }

        .insight-date .month {
            font-size: 13px;
            font-weight: 600;
            color: var(--color-text-weak);
            text-transform: uppercase;
        }

        .insight-info {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .insight-info h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0;
            transition: var(--transition-base);
        }

        .insight-list-item:hover .insight-info h4 {
            color: var(--color-primary);
        }

        .insight-info p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.5;
            margin: 0;
        }

        .insight-readmore {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-primary);
            padding: 10px 18px;
            border-radius: var(--radius-sm);
            background: var(--color-primary-light);
            white-space: nowrap;
            transition: var(--transition-base);
            cursor: pointer;
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .insight-readmore:hover {
            background: var(--color-primary);
            color: #fff;
        }

        @media (max-width: 768px) {
            .insight-list-item {
                grid-template-columns: 1fr;
                gap: 12px;
                padding: 16px;
            }
            .insight-date {
                flex-direction: row;
                align-items: baseline;
                gap: 8px;
            }
            .insight-date .day {
                font-size: 24px;
            }
            .insight-date .month {
                font-size: 12px;
            }
            .insight-readmore {
                width: 100%;
                justify-content: center;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #ffffff;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition-base);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-card);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            gap: 16px;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-icon {
            font-size: 18px;
            color: var(--color-primary);
            transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-primary-light);
            border-radius: 50%;
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: #fff;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.35s ease;
            padding: 0 24px;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .faq-answer p {
                font-size: 14px;
            }
        }

        /* 转化表单 */
        .cta-form-wrap {
            max-width: 560px;
            margin: 0 auto;
            background: #ffffff;
            border-radius: var(--radius-lg);
            padding: 40px 36px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--color-border-light);
        }

        .cta-form-wrap h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 8px;
            text-align: center;
        }

        .cta-form-wrap p {
            font-size: 15px;
            color: var(--color-text-secondary);
            text-align: center;
            margin: 0 0 24px;
            line-height: 1.5;
        }

        .form-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
            margin-bottom: 16px;
        }

        .form-group label {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
        }

        .form-group input,
        .form-group textarea {
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--color-text);
            background: #fafbfc;
            transition: var(--transition-base);
            resize: vertical;
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            background: #ffffff;
            box-shadow: 0 0 0 4px rgba(26, 111, 181, 0.08);
        }

        .form-group textarea {
            min-height: 100px;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px 28px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            cursor: pointer;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-base);
            letter-spacing: 0.5px;
            border: none;
            margin-top: 8px;
        }

        .form-submit-btn:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 6px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        @media (max-width: 768px) {
            .cta-form-wrap {
                padding: 28px 20px;
                border-radius: var(--radius-md);
            }
            .cta-form-wrap h3 {
                font-size: 20px;
            }
        }

        /* 页脚 */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 48px 0 24px;
            margin-top: 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-col h4 {
            font-size: 17px;
            font-weight: 700;
            color: #ffffff;
            margin: 0 0 16px;
            letter-spacing: 0.3px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            color: #94a3b8;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #cbd5e1;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #ffffff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 32px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid #334155;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links-row a {
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links-row a:hover {
            color: #ffffff;
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
            .footer-links-row {
                justify-content: center;
                gap: 12px;
            }
        }

        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
        }

        /* Toast提示 */
        .toast {
            position: fixed;
            bottom: 30px;
            left: 50%;
            transform: translateX(-50%) translateY(100px);
            background: #1e293b;
            color: #fff;
            padding: 14px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            z-index: 2000;
            opacity: 0;
            transition: all 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            pointer-events: none;
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.2);
        }

        .toast.show {
            opacity: 1;
            transform: translateX(-50%) translateY(0);
        }

        .toast.success {
            background: #14588a;
        }

/* roulang page: category7 */
:root {
            --color-primary: #1a6fb5;
            --color-primary-light: #e8f4fc;
            --color-primary-mid: #3b8dcf;
            --color-primary-deep: #14588a;
            --color-accent: #f57c2e;
            --color-accent-hover: #e0691f;
            --color-bg: #f8fafc;
            --color-surface: #ffffff;
            --color-text: #1e293b;
            --color-text-secondary: #64748b;
            --color-text-weak: #94a3b8;
            --color-border: #e2e8f0;
            --color-border-light: #f1f5f9;
            --color-gold: #d4a843;
            --color-gold-light: #fdf6e8;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 4px 16px rgba(0, 0, 0, 0.04);
            --shadow-card-hover: 0 8px 24px rgba(0, 0, 0, 0.08);
            --shadow-nav: 0 2px 12px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 12px 40px rgba(0, 0, 0, 0.10);
            --transition-base: all 0.25s ease;
            --transition-smooth: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-stack: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --section-gap: 80px;
            --container-max: 1200px;
            --nav-height: 64px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            min-height: 100vh;
            overflow-x: hidden;
            margin: 0;
        }

        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition-base);
        }

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        input,
        textarea {
            font-family: inherit;
            outline: none;
            transition: var(--transition-base);
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 导航 */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: #ffffff;
            height: var(--nav-height);
            box-shadow: 0 1px 0 var(--color-border-light);
            transition: var(--transition-base);
        }

        .site-header.scrolled {
            box-shadow: var(--shadow-nav);
        }

        .nav-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
            gap: 24px;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-primary-deep);
            letter-spacing: 0.5px;
            white-space: nowrap;
            flex-shrink: 0;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-logo i {
            font-size: 26px;
            color: var(--color-accent);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            scrollbar-width: none;
        }

        .nav-links::-webkit-scrollbar {
            display: none;
        }

        .nav-links a {
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            color: var(--color-text-secondary);
            white-space: nowrap;
            transition: var(--transition-base);
            position: relative;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--color-primary);
            background: var(--color-primary-light);
        }

        .nav-links a.active {
            font-weight: 600;
        }

        .nav-ctas {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }

        .btn-outline {
            padding: 10px 20px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
            background: transparent;
            white-space: nowrap;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            background: var(--color-primary-light);
            border-color: var(--color-primary-deep);
            color: var(--color-primary-deep);
        }

        .btn-primary {
            padding: 10px 22px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 600;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 2px 8px rgba(245, 124, 46, 0.25);
            transition: var(--transition-base);
        }

        .btn-primary:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.35);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(245, 124, 46, 0.2);
        }

        .btn-primary-lg {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            transition: var(--transition-smooth);
            letter-spacing: 0.5px;
        }

        .btn-primary-lg:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 28px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        .btn-primary-lg:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(245, 124, 46, 0.25);
        }

        .btn-gold {
            padding: 14px 32px;
            border-radius: var(--radius-sm);
            font-size: 17px;
            font-weight: 700;
            background: linear-gradient(135deg, #d4a843, #c9972e);
            color: #fff;
            white-space: nowrap;
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
            transition: var(--transition-smooth);
            letter-spacing: 0.5px;
        }

        .btn-gold:hover {
            box-shadow: 0 8px 28px rgba(212, 168, 67, 0.5);
            transform: translateY(-2px);
            background: linear-gradient(135deg, #c9972e, #b8861f);
        }

        .btn-gold:active {
            transform: translateY(0);
            box-shadow: 0 2px 10px rgba(212, 168, 67, 0.3);
        }

        /* 移动端菜单按钮 */
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            font-size: 24px;
            color: var(--color-text);
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }

        /* Hero会员中心 */
        .hero-membership {
            position: relative;
            background: linear-gradient(170deg, #f0f7fc 0%, #e8f4fc 30%, #f8fafc 100%);
            padding: 60px 0 70px;
            overflow: hidden;
        }

        .hero-membership::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -120px;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(26, 111, 181, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-membership::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -80px;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 124, 46, 0.05) 0%, transparent 70%);
            pointer-events: none;
        }

        .hero-membership-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 2;
        }

        .hero-membership-left {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--color-primary-light);
            color: var(--color-primary-deep);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 600;
            width: fit-content;
        }

        .hero-badge i {
            font-size: 12px;
            color: var(--color-accent);
        }

        .hero-membership-left h1 {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1.25;
            margin: 0;
            letter-spacing: -0.5px;
        }

        .hero-membership-left h1 span {
            color: var(--color-primary);
        }

        .hero-membership-left .hero-subtitle {
            font-size: 18px;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin: 0;
            max-width: 480px;
        }

        .hero-progress-wrap {
            display: flex;
            align-items: center;
            gap: 24px;
            margin-top: 8px;
        }

        .progress-ring-container {
            position: relative;
            flex-shrink: 0;
        }

        .progress-ring {
            transform: rotate(-90deg);
        }

        .progress-ring-bg {
            fill: none;
            stroke: var(--color-border-light);
            stroke-width: 8;
        }

        .progress-ring-fill {
            fill: none;
            stroke: var(--color-accent);
            stroke-width: 8;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.5s ease;
        }

        .progress-ring-text {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            text-align: center;
        }

        .progress-ring-text .ring-number {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-accent);
            line-height: 1;
        }

        .progress-ring-text .ring-label {
            font-size: 11px;
            color: var(--color-text-weak);
            margin-top: 2px;
        }

        .progress-info {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .progress-info .progress-info-title {
            font-weight: 700;
            font-size: 16px;
            color: var(--color-text);
        }

        .progress-info .progress-info-desc {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .hero-cta-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            margin-top: 8px;
        }

        /* 档位预览卡片 */
        .hero-membership-right {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            align-content: center;
        }

        .tier-preview-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            cursor: pointer;
            border: 2px solid transparent;
            position: relative;
            text-align: center;
            display: flex;
            flex-direction: column;
            gap: 10px;
            align-items: center;
        }

        .tier-preview-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
            border-color: var(--color-primary-light);
        }

        .tier-preview-card.featured {
            border-color: var(--color-gold);
            background: var(--color-gold-light);
            grid-column: 1 / -1;
            flex-direction: row;
            text-align: left;
            padding: 24px;
            gap: 20px;
        }

        .tier-preview-card.featured .tier-badge-featured {
            position: absolute;
            top: -12px;
            right: 20px;
            background: linear-gradient(135deg, #d4a843, #c9972e);
            color: #fff;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .tier-icon {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            flex-shrink: 0;
        }

        .tier-icon.basic {
            background: #e8f4fc;
            color: var(--color-primary);
        }

        .tier-icon.premium {
            background: #fef3e8;
            color: var(--color-accent);
        }

        .tier-icon.elite {
            background: #fdf6e8;
            color: #d4a843;
        }

        .tier-preview-card .tier-name {
            font-weight: 700;
            font-size: 15px;
            color: var(--color-text);
        }

        .tier-preview-card .tier-price {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-primary-deep);
        }

        .tier-preview-card .tier-price small {
            font-size: 13px;
            font-weight: 400;
            color: var(--color-text-weak);
        }

        .tier-preview-card .tier-desc {
            font-size: 13px;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .tier-preview-card.featured .tier-desc {
            font-size: 14px;
        }

        /* 板块通用 */
        .section {
            padding: var(--section-gap) 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 12px;
            line-height: 1.3;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.6;
        }

        /* 会员等级对比 */
        .tier-comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr 1fr;
            gap: 20px;
            align-items: stretch;
        }

        .tier-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 16px;
            position: relative;
            border: 2px solid transparent;
            text-align: center;
        }

        .tier-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .tier-card.highlight {
            border-color: var(--color-gold);
            background: linear-gradient(180deg, #fffdf7 0%, #ffffff 100%);
            box-shadow: var(--shadow-lg);
            transform: scale(1.03);
            z-index: 2;
        }

        .tier-card.highlight:hover {
            transform: scale(1.03) translateY(-4px);
        }

        .tier-card .tier-card-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent);
            color: #fff;
            padding: 5px 16px;
            border-radius: 14px;
            font-size: 12px;
            font-weight: 700;
            white-space: nowrap;
        }

        .tier-card .tier-card-icon {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .tier-card .tier-card-name {
            font-weight: 700;
            font-size: 18px;
            color: var(--color-text);
        }

        .tier-card .tier-card-price {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-primary-deep);
            line-height: 1;
        }

        .tier-card .tier-card-price small {
            font-size: 14px;
            font-weight: 400;
            color: var(--color-text-weak);
        }

        .tier-card .tier-features {
            list-style: none;
            padding: 0;
            margin: 0;
            text-align: left;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex-grow: 1;
        }

        .tier-card .tier-features li {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding-left: 20px;
            position: relative;
            line-height: 1.5;
        }

        .tier-card .tier-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 2px;
            font-size: 11px;
            color: var(--color-primary);
        }

        .tier-card .tier-features li.disabled {
            color: var(--color-text-weak);
        }

        .tier-card .tier-features li.disabled::before {
            content: '\f00d';
            color: #cbd5e1;
        }

        .tier-card .btn-tier {
            width: 100%;
            padding: 12px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition-smooth);
            text-align: center;
            margin-top: auto;
        }

        .btn-tier-basic {
            background: transparent;
            border: 2px solid var(--color-primary);
            color: var(--color-primary);
        }

        .btn-tier-basic:hover {
            background: var(--color-primary-light);
        }

        .btn-tier-premium {
            background: var(--color-accent);
            color: #fff;
            border: 2px solid var(--color-accent);
        }

        .btn-tier-premium:hover {
            background: var(--color-accent-hover);
            border-color: var(--color-accent-hover);
        }

        .btn-tier-gold {
            background: linear-gradient(135deg, #d4a843, #c9972e);
            color: #fff;
            border: none;
        }

        .btn-tier-gold:hover {
            background: linear-gradient(135deg, #c9972e, #b8861f);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.4);
        }

        /* 双栏图文 */
        .two-col-section {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .two-col-section.reverse {
            direction: rtl;
        }

        .two-col-section.reverse>* {
            direction: ltr;
        }

        .two-col-image {
            border-radius: var(--radius-xl);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .two-col-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .two-col-content h3 {
            font-size: 28px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 16px;
            line-height: 1.3;
        }

        .two-col-content p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.8;
            margin: 0 0 20px;
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 15px;
            color: var(--color-text);
            line-height: 1.5;
        }

        .benefit-list li i {
            color: var(--color-accent);
            font-size: 18px;
            margin-top: 2px;
            flex-shrink: 0;
        }

        /* 品牌介绍 */
        .brand-intro-section {
            background: linear-gradient(180deg, #e8f4fc 0%, #f8fafc 100%);
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 0 24px;
        }

        .brand-intro-inner {
            max-width: 800px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .brand-intro-inner h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 20px;
            text-align: center;
        }

        .brand-intro-inner p {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.9;
            text-align: justify;
            margin: 0;
        }

        /* 统计看板 */
        .stats-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .stat-card {
            background: #fff;
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: var(--transition-smooth);
        }

        .stat-card:hover {
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .stat-card .stat-icon {
            font-size: 32px;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .stat-card .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--color-text);
            line-height: 1;
            margin-bottom: 6px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }

        /* 对比区 */
        .compare-section {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 48px;
            box-shadow: var(--shadow-card);
        }

        .compare-grid {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 32px;
            align-items: center;
        }

        .compare-col {
            padding: 28px;
            border-radius: var(--radius-lg);
        }

        .compare-col.before {
            background: #fef2f2;
            border: 2px solid #fecaca;
        }

        .compare-col.after {
            background: #f0fdf4;
            border: 2px solid #bbf7d0;
        }

        .compare-col h4 {
            font-size: 20px;
            font-weight: 700;
            margin: 0 0 16px;
            text-align: center;
        }

        .compare-col.before h4 {
            color: #dc2626;
        }

        .compare-col.after h4 {
            color: #16a34a;
        }

        .compare-list {
            list-style: none;
            padding: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .compare-list li {
            font-size: 14px;
            color: var(--color-text-secondary);
            padding: 8px 12px;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.7);
            line-height: 1.5;
        }

        .compare-vs {
            font-size: 28px;
            font-weight: 900;
            color: var(--color-text-weak);
            text-align: center;
            flex-shrink: 0;
        }

        .compare-bar-section {
            margin-top: 32px;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .compare-bar-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .compare-bar-label {
            width: 100px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            flex-shrink: 0;
            text-align: right;
        }

        .compare-bar-track {
            flex-grow: 1;
            height: 28px;
            background: #f1f5f9;
            border-radius: 14px;
            overflow: hidden;
            display: flex;
        }

        .compare-bar-fill-before {
            height: 100%;
            background: #fca5a5;
            border-radius: 14px 0 0 14px;
            display: flex;
            align-items: center;
            justify-content: flex-end;
            padding-right: 10px;
            font-size: 12px;
            font-weight: 700;
            color: #991b1b;
            min-width: 40px;
        }

        .compare-bar-fill-after {
            height: 100%;
            background: #86efac;
            border-radius: 0 14px 14px 0;
            display: flex;
            align-items: center;
            padding-left: 10px;
            font-size: 12px;
            font-weight: 700;
            color: #166534;
            min-width: 40px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: var(--transition-smooth);
        }

        .faq-question {
            width: 100%;
            padding: 20px 24px;
            background: none;
            border: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            cursor: pointer;
            text-align: left;
            gap: 12px;
            transition: var(--transition-base);
        }

        .faq-question:hover {
            color: var(--color-primary);
        }

        .faq-question i {
            font-size: 14px;
            color: var(--color-text-weak);
            transition: transform 0.35s ease;
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(45deg);
            color: var(--color-accent);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 24px 20px;
        }

        .faq-answer p {
            margin: 0;
            font-size: 15px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* 表单 */
        .cta-form-section {
            background: linear-gradient(180deg, #f8fafc 0%, #e8f4fc 100%);
            padding: 60px 0;
            border-radius: var(--radius-xl);
            margin: 0 24px;
        }

        .cta-form-card {
            max-width: 560px;
            margin: 0 auto;
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 40px 36px;
            box-shadow: var(--shadow-lg);
            text-align: center;
        }

        .cta-form-card h3 {
            font-size: 26px;
            font-weight: 800;
            color: var(--color-text);
            margin: 0 0 8px;
        }

        .cta-form-card .cta-form-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin: 0 0 28px;
            line-height: 1.5;
        }

        .form-group {
            margin-bottom: 16px;
            text-align: left;
        }

        .form-group label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text);
            margin-bottom: 6px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            border: 2px solid var(--color-border);
            border-radius: var(--radius-sm);
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-bg);
            transition: var(--transition-base);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(26, 111, 181, 0.1);
            background: #fff;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .btn-submit {
            width: 100%;
            padding: 14px;
            border-radius: var(--radius-sm);
            font-size: 16px;
            font-weight: 700;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(245, 124, 46, 0.3);
            letter-spacing: 0.5px;
            margin-top: 8px;
        }

        .btn-submit:hover {
            background: var(--color-accent-hover);
            box-shadow: 0 8px 24px rgba(245, 124, 46, 0.4);
            transform: translateY(-2px);
        }

        /* 页脚 */
        .site-footer {
            background: #1e293b;
            color: #cbd5e1;
            padding: 56px 0 28px;
            margin-top: var(--section-gap);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 700;
            margin: 0 0 16px;
        }

        .footer-col p {
            font-size: 14px;
            line-height: 1.7;
            margin: 0;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: #cbd5e1;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: #fff;
        }

        .footer-bottom {
            max-width: var(--container-max);
            margin: 36px auto 0;
            padding: 20px 24px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: #94a3b8;
        }

        .footer-links-row {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .footer-links-row a {
            color: #94a3b8;
            transition: var(--transition-base);
        }

        .footer-links-row a:hover {
            color: #fff;
        }

        /* 响应式 */
        @media (max-width: 1024px) {
            .hero-membership-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-membership-right {
                grid-template-columns: 1fr 1fr;
            }
            .tier-comparison-grid {
                grid-template-columns: 1fr 1fr;
            }
            .two-col-section {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .compare-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .compare-vs {
                transform: rotate(90deg);
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 13px;
            }
            .nav-ctas .btn-outline {
                padding: 8px 14px;
                font-size: 13px;
            }
            .nav-ctas .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }
            .tier-card.highlight {
                transform: scale(1);
            }
            .tier-card.highlight:hover {
                transform: scale(1) translateY(-4px);
            }
        }

        @media (max-width: 768px) {
            .nav-inner {
                padding: 0 16px;
                gap: 12px;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                padding: 12px 16px;
                box-shadow: var(--shadow-nav);
                gap: 4px;
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                padding: 10px 14px;
                font-size: 15px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .mobile-menu-btn {
                display: block;
            }
            .nav-ctas {
                gap: 6px;
            }
            .nav-ctas .btn-outline {
                padding: 7px 12px;
                font-size: 12px;
            }
            .nav-ctas .btn-primary {
                padding: 7px 14px;
                font-size: 12px;
            }
            .hero-membership {
                padding: 40px 0 50px;
            }
            .hero-membership-left h1 {
                font-size: 28px;
            }
            .hero-membership-left .hero-subtitle {
                font-size: 15px;
            }
            .hero-membership-right {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .tier-preview-card.featured {
                flex-direction: column;
                text-align: center;
                gap: 10px;
                padding: 20px;
            }
            .tier-comparison-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .stats-row {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .stat-card .stat-number {
                font-size: 32px;
            }
            .compare-section {
                padding: 24px 16px;
            }
            .compare-bar-label {
                width: 70px;
                font-size: 12px;
            }
            .section-title {
                font-size: 24px;
            }
            .section {
                padding: 48px 0;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .cta-form-card {
                padding: 28px 20px;
            }
            .brand-intro-section {
                margin: 0 12px;
                padding: 40px 0;
            }
            .cta-form-section {
                margin: 0 12px;
                padding: 40px 0;
            }
            .hero-progress-wrap {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
            }
            .hero-cta-group .btn-primary-lg,
            .hero-cta-group .btn-gold {
                width: 100%;
                text-align: center;
            }
            .tier-preview-card.featured .tier-badge-featured {
                right: 10px;
                top: -10px;
                font-size: 11px;
                padding: 4px 10px;
            }
        }

        @media (max-width: 520px) {
            .stats-row {
                grid-template-columns: 1fr;
            }
            .hero-membership-left h1 {
                font-size: 24px;
            }
            .section-title {
                font-size: 22px;
            }
            .tier-card .tier-card-price {
                font-size: 26px;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo i {
                font-size: 22px;
            }
            .container {
                padding: 0 12px;
            }
            .tier-comparison-grid {
                gap: 12px;
            }
            .compare-bar-label {
                width: 55px;
                font-size: 11px;
            }
            .compare-bar-fill-before,
            .compare-bar-fill-after {
                font-size: 10px;
                min-width: 30px;
            }
            .btn-primary-lg,
            .btn-gold {
                padding: 12px 20px;
                font-size: 15px;
            }
        }