/* roulang page: index */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }
        ul {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            margin: 0;
            line-height: 1.3;
            color: var(--color-text-white);
        }
        p {
            margin: 0 0 1rem;
            color: var(--color-text-light);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            margin-left: 4px;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.45);
            transform: translateY(-1px);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 10px;
            cursor: pointer;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 2px;
            }
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.85rem;
                border-radius: 16px;
            }
            .nav-cta-btn {
                padding: 7px 14px;
                font-size: 0.82rem;
                border-radius: 18px;
            }
        }
        @media (max-width: 768px) {
            .mobile-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(16px);
                -webkit-backdrop-filter: blur(16px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: 8px;
                font-size: 1rem;
            }
            .nav-cta-btn {
                margin-left: 0;
                width: 100%;
                text-align: center;
                margin-top: 6px;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--color-bg-darker);
            overflow: hidden;
            padding-top: var(--nav-height);
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }
        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.45;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 9, 16, 0.7) 0%, rgba(10, 14, 23, 0.85) 40%, rgba(10, 14, 23, 0.95) 100%);
            z-index: 1;
        }
        .hero-particles {
            position: absolute;
            inset: 0;
            z-index: 2;
            pointer-events: none;
            background: radial-gradient(ellipse at 30% 50%, rgba(230, 57, 70, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 30%, rgba(244, 162, 97, 0.06) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 80%, rgba(255, 183, 3, 0.05) 0%, transparent 50%);
        }
        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 20px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: #ff6b6b;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.4);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(230, 57, 70, 0);
            }
        }
        .hero-hot-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 14px;
            background: rgba(255, 183, 3, 0.2);
            border: 1px solid rgba(255, 183, 3, 0.4);
            color: #ffb703;
            font-size: 0.78rem;
            font-weight: 600;
            margin-left: 8px;
            animation: glow-tag 2s ease-in-out infinite;
        }
        @keyframes glow-tag {
            0%,
            100% {
                box-shadow: 0 0 6px rgba(255, 183, 3, 0.3);
            }
            50% {
                box-shadow: 0 0 18px rgba(255, 183, 3, 0.6);
            }
        }
        .hero-title {
            font-size: 3.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 16px;
            line-height: 1.2;
        }
        .hero-title .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-light);
            max-width: 620px;
            margin: 0 auto 30px;
            line-height: 1.8;
        }
        .hero-cta-group {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
        }
        .btn-primary:hover {
            background: #ff5252;
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.4);
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats-row {
            display: flex;
            gap: 30px;
            justify-content: center;
            margin-top: 36px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            text-align: center;
            min-width: 80px;
        }
        .hero-stat-num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
        }
        .hero-stat-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 768px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: center;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                max-width: 300px;
                text-align: center;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.5rem;
            }
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: 70px 0;
            position: relative;
        }
        .section-block.dark-bg {
            background: var(--color-bg-darker);
        }
        .section-block.card-bg {
            background: var(--color-bg-section);
        }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 2px;
            color: var(--color-primary);
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            max-width: 700px;
            margin: 0 auto 40px;
            line-height: 1.7;
        }
        .section-title-left {
            text-align: left;
            margin-bottom: 30px;
        }
        .section-title-center {
            text-align: center;
        }
        @media (max-width: 768px) {
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        /* ========== 卡片系统 ========== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.cols-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card-grid.cols-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.cols-4 {
            grid-template-columns: repeat(4, 1fr);
        }
        .card-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .card-item:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .card-item .card-icon {
            width: 50px;
            height: 50px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 16px;
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-primary);
        }
        .card-item .card-title {
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }
        .card-item .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
        }
        .card-item.card-accent {
            border-left: 3px solid var(--color-primary);
        }
        .card-item.card-gold {
            border-left: 3px solid var(--color-accent-gold);
        }
        @media (max-width: 1024px) {
            .card-grid.cols-3,
            .card-grid.cols-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 600px) {
            .card-grid.cols-3,
            .card-grid.cols-2,
            .card-grid.cols-4 {
                grid-template-columns: 1fr;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 按钮系统 ========== */
        .btn {
            display: inline-block;
            padding: 12px 26px;
            border-radius: 24px;
            font-size: 0.95rem;
            font-weight: 600;
            cursor: pointer;
            transition: all var(--transition-smooth);
            border: none;
            letter-spacing: 0.3px;
        }
        .btn-red {
            background: var(--color-primary);
            color: #fff;
        }
        .btn-red:hover {
            background: #ff5252;
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.45);
            transform: translateY(-2px);
            color: #fff;
        }
        .btn-dark {
            background: var(--color-bg-card-alt);
            color: #fff;
            border: 1px solid var(--color-border-light);
        }
        .btn-dark:hover {
            background: #252a38;
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: 20px;
        }
        .btn-lg {
            padding: 16px 36px;
            font-size: 1.1rem;
            border-radius: 30px;
        }

        /* ========== 资讯列表 ========== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .news-item {
            display: flex;
            align-items: baseline;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            flex-wrap: wrap;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.02);
            padding-left: 8px;
            border-radius: 4px;
        }
        .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            white-space: nowrap;
            min-width: 80px;
            font-weight: 500;
        }
        .news-info {
            flex: 1;
            min-width: 200px;
        }
        .news-info .news-title {
            font-size: 0.95rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 4px;
            display: block;
        }
        .news-info .news-title:hover {
            color: var(--color-primary);
        }
        .news-info .news-summary {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin: 0;
        }
        .news-readmore {
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 600;
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .news-readmore:hover {
            color: #ff6b6b;
        }
        .news-sidebar {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border);
        }
        .news-sidebar h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }
        .news-sidebar .hot-item {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }
        .news-sidebar .hot-item:hover {
            color: var(--color-primary);
        }
        .news-sidebar .hot-rank {
            width: 22px;
            height: 22px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .news-sidebar .hot-rank.silver {
            background: #7f8c8d;
        }
        .news-sidebar .hot-rank.bronze {
            background: #cd7f32;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            border-bottom: 1px solid var(--color-border);
            padding: 0;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            background: none;
            border: none;
            padding: 18px 0;
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: color var(--transition-fast);
            font-family: var(--font-body);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 0.8rem;
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0;
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 0 18px;
        }
        .faq-item.active .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-item.active .faq-question {
            color: var(--color-primary);
        }

        /* ========== 进度条 ========== */
        .progress-bar-wrap {
            background: var(--color-bg-card);
            border-radius: 20px;
            height: 10px;
            overflow: hidden;
            margin: 8px 0 16px;
        }
        .progress-bar-fill {
            height: 100%;
            border-radius: 20px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: width 1.5s ease;
        }

        /* ========== 版本更新 ========== */
        .changelog-item {
            padding: 20px 0;
            border-bottom: 1px solid var(--color-border);
        }
        .changelog-version {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 12px;
            background: rgba(230, 57, 70, 0.2);
            color: var(--color-primary);
            font-size: 0.8rem;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .changelog-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-left: 8px;
        }
        .changelog-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 排行列表 ========== */
        .rank-table {
            width: 100%;
            border-collapse: collapse;
        }
        .rank-table th,
        .rank-table td {
            padding: 12px 16px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
            color: var(--color-text-light);
        }
        .rank-table th {
            font-weight: 700;
            color: #fff;
            font-size: 0.8rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            background: var(--color-bg-card);
        }
        .rank-table tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }
        .rank-badge {
            display: inline-block;
            width: 26px;
            height: 26px;
            border-radius: 50%;
            text-align: center;
            line-height: 26px;
            font-weight: 700;
            font-size: 0.75rem;
            color: #fff;
        }
        .rank-badge.top1 {
            background: #ffb703;
        }
        .rank-badge.top2 {
            background: #7f8c8d;
        }
        .rank-badge.top3 {
            background: #cd7f32;
        }
        .rank-badge.normal {
            background: transparent;
            color: var(--color-text-muted);
        }

        /* ========== CTA 区块 ========== */
        .cta-block {
            background: linear-gradient(135deg, var(--color-bg-card-alt) 0%, #1a0a0d 100%);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            border: 1px solid rgba(230, 57, 70, 0.25);
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.08);
            pointer-events: none;
        }
        .cta-block h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-block p {
            color: var(--color-text-light);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            padding: 4px 0;
            color: var(--color-text-muted);
            font-size: 0.82rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: #fff;
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.78rem;
            line-height: 1.8;
        }
        .footer-bottom a {
            color: var(--color-text-light);
            margin: 0 6px;
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 480px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 动画 ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-on-scroll {
            opacity: 0;
            animation: fadeInUp 0.6s ease forwards;
        }
        .delay-1 {
            animation-delay: 0.1s;
        }
        .delay-2 {
            animation-delay: 0.2s;
        }
        .delay-3 {
            animation-delay: 0.3s;
        }

        /* ========== 标签/徽章 ========== */
        .tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .tag-red {
            background: rgba(230, 57, 70, 0.18);
            color: #ff6b6b;
        }
        .tag-green {
            background: rgba(46, 204, 113, 0.18);
            color: #2ecc71;
        }
        .tag-gold {
            background: rgba(255, 183, 3, 0.18);
            color: #ffb703;
        }

        /* ========== 流程步骤 ========== */
        .steps-row {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .step-item {
            flex: 1;
            min-width: 180px;
            max-width: 240px;
            text-align: center;
            padding: 20px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            position: relative;
        }
        .step-number {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 12px;
        }
        .step-title {
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 6px;
        }
        .step-desc {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }

        /* ========== 评价卡片 ========== */
        .testimonial-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border);
            position: relative;
        }
        .testimonial-card::before {
            content: '\201C';
            font-size: 3rem;
            color: var(--color-primary);
            opacity: 0.5;
            position: absolute;
            top: 8px;
            left: 16px;
            line-height: 1;
        }
        .testimonial-text {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.7;
            padding-top: 10px;
            margin-bottom: 12px;
        }
        .testimonial-author {
            font-weight: 700;
            color: #fff;
            font-size: 0.85rem;
        }
        .testimonial-role {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }

        /* ========== 安全体系 ========== */
        .security-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(240px, 1fr));
            gap: 20px;
        }
        .security-item {
            text-align: center;
            padding: 24px 16px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .security-item .sec-icon {
            font-size: 2rem;
            color: var(--color-success);
            margin-bottom: 10px;
        }
        .security-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }
        .security-item p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ========== 响应式补充 ========== */
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .news-item {
                flex-direction: column;
                gap: 4px;
            }
            .cta-block {
                padding: 30px 20px;
            }
            .cta-block h3 {
                font-size: 1.3rem;
            }
            .steps-row {
                flex-direction: column;
                align-items: center;
            }
            .step-item {
                max-width: 100%;
            }
        }
        @media (max-width: 400px) {
            .hero-stats-row {
                gap: 10px;
            }
            .hero-stat-num {
                font-size: 1.2rem;
            }
            .card-item {
                padding: 20px 16px;
            }
        }

/* roulang page: category1 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }
        @media (max-width: 1024px) {
            .nav-links a {
                padding: 6px 12px;
                font-size: 0.85rem;
            }
            .nav-links {
                gap: 3px;
            }
        }
        @media (max-width: 768px) {
            .mobile-menu-toggle {
                display: block;
            }
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                z-index: 999;
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .nav-cta-btn {
                margin-top: 8px;
                width: 100%;
                text-align: center;
            }
        }

        /* ========== 板块通用 ========== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--color-bg-section);
        }
        .section-darker {
            background: var(--color-bg-darker);
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 1.5px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            line-height: 1.3;
        }
        .section-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 40px;
            line-height: 1.6;
        }
        .text-center {
            text-align: center;
        }
        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 1rem;
            }
        }

        /* ========== Hero ========== */
        .hero-section {
            padding-top: calc(var(--nav-height) + 60px);
            padding-bottom: 80px;
            background: var(--color-bg-darker);
            position: relative;
            overflow: hidden;
            min-height: 85vh;
            display: flex;
            align-items: center;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(6, 9, 16, 0.5) 0%, rgba(10, 14, 23, 0.85) 60%, rgba(10, 14, 23, 1) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-inner {
            display: flex;
            align-items: center;
            gap: 50px;
            flex-wrap: wrap;
        }
        .hero-left {
            flex: 1 1 480px;
            min-width: 300px;
        }
        .hero-right {
            flex: 1 1 420px;
            min-width: 300px;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.4);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-primary);
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 20px;
            font-family: var(--font-heading);
        }
        .hero-title span {
            color: var(--color-primary);
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 520px;
        }
        .hero-btns {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: var(--color-primary);
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: var(--shadow-glow);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: #fff;
            border-radius: 28px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            cursor: pointer;
            text-align: center;
        }
        .btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.06);
            transform: translateY(-2px);
        }
        /* faux 数据榜单 */
        .faux-scoreboard {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
        }
        .faux-scoreboard-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 18px;
            padding-bottom: 14px;
            border-bottom: 1px solid var(--color-border);
        }
        .faux-scoreboard-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }
        .faux-live-dot {
            width: 10px;
            height: 10px;
            background: var(--color-success);
            border-radius: 50%;
            display: inline-block;
            animation: pulse-dot 1.5s infinite;
            margin-right: 6px;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(46, 204, 113, 0.6);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(46, 204, 113, 0);
            }
        }
        .faux-match-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            gap: 10px;
        }
        .faux-match-row:last-child {
            border-bottom: none;
        }
        .faux-team {
            font-weight: 600;
            color: #fff;
            font-size: 0.9rem;
            min-width: 80px;
        }
        .faux-score {
            font-weight: 800;
            font-size: 1.3rem;
            color: var(--color-accent-gold);
            background: rgba(255, 183, 3, 0.1);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            min-width: 70px;
            text-align: center;
            letter-spacing: 2px;
        }
        .faux-time {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            min-width: 40px;
            text-align: right;
        }
        .faux-status {
            font-size: 0.7rem;
            color: var(--color-success);
            font-weight: 600;
            min-width: 36px;
            text-align: center;
        }
        @media (max-width: 768px) {
            .hero-inner {
                flex-direction: column;
                gap: 30px;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-desc {
                font-size: 1rem;
            }
            .hero-section {
                min-height: auto;
                padding-top: calc(var(--nav-height) + 30px);
                padding-bottom: 50px;
            }
            .faux-scoreboard {
                padding: 16px;
            }
            .faux-team {
                font-size: 0.8rem;
                min-width: 60px;
            }
            .faux-score {
                font-size: 1.1rem;
                padding: 4px 10px;
                min-width: 50px;
            }
        }

        /* ========== 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }
        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
        }
        .metric-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .metric-number {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }
        .metric-label {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .metric-number {
                font-size: 2rem;
            }
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            text-align: center;
            position: relative;
        }
        .service-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .service-card-icon {
            width: 56px;
            height: 56px;
            background: rgba(230, 57, 70, 0.15);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.5rem;
            color: var(--color-primary);
        }
        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }
        .service-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }
        @media (max-width: 1024px) {
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .service-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 赛事覆盖 ========== */
        .coverage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        .coverage-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 20px 16px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            cursor: default;
        }
        .coverage-item:hover {
            border-color: var(--color-primary);
            background: var(--color-bg-card-alt);
        }
        .coverage-flag {
            font-size: 2rem;
            margin-bottom: 8px;
        }
        .coverage-name {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
        }
        .coverage-count {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        @media (max-width: 1024px) {
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .coverage-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }

        /* ========== 对比表格 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--color-border);
        }
        .compare-table th {
            background: var(--color-bg-card);
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .compare-table td {
            color: var(--color-text-light);
            font-size: 0.9rem;
        }
        .compare-table .highlight-col {
            background: rgba(230, 57, 70, 0.08);
            font-weight: 600;
            color: #fff;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }
        .compare-table .cross-icon {
            color: var(--color-text-muted);
        }
        .highlight-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.7rem;
            padding: 3px 8px;
            border-radius: 10px;
            font-weight: 600;
            margin-left: 6px;
            vertical-align: middle;
        }

        /* ========== 流程 ========== */
        .steps-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .step-card {
            flex: 1 1 200px;
            max-width: 260px;
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            position: relative;
            transition: all var(--transition-smooth);
        }
        .step-card:hover {
            border-color: var(--color-primary);
            transform: translateY(-3px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            width: 44px;
            height: 44px;
            background: var(--color-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-weight: 700;
            font-size: 1.2rem;
            color: #fff;
        }
        .step-card h4 {
            font-weight: 700;
            color: #fff;
            font-size: 1.05rem;
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .steps-row {
                flex-direction: column;
                align-items: center;
            }
            .step-card {
                max-width: 100%;
                width: 100%;
            }
        }

        /* ========== 用户口碑 ========== */
        .testimonials-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .testimonial-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }
        .testimonial-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
        }
        .testimonial-stars {
            color: var(--color-accent-gold);
            margin-bottom: 10px;
            font-size: 0.9rem;
        }
        .testimonial-text {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.6;
            margin-bottom: 14px;
            font-style: italic;
        }
        .testimonial-author {
            font-weight: 600;
            color: #fff;
            font-size: 0.9rem;
        }
        .testimonial-role {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        @media (max-width: 1024px) {
            .testimonials-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .testimonials-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            padding: 18px 24px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }
        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-question i {
            transition: transform var(--transition-fast);
            color: var(--color-text-muted);
            font-size: 0.9rem;
        }
        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: var(--color-bg-darker);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(ellipse at center, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            z-index: 0;
        }
        .cta-content {
            position: relative;
            z-index: 1;
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
        }
        .cta-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }
        .cta-desc {
            font-size: 1.1rem;
            color: var(--color-text-light);
            margin-bottom: 30px;
            line-height: 1.6;
        }
        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1 1 260px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 2px solid var(--color-border-light);
            background: var(--color-bg-card);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: border-color var(--transition-fast);
            min-width: 200px;
        }
        .cta-input:focus {
            border-color: var(--color-primary);
        }
        .cta-input::placeholder {
            color: var(--color-text-muted);
        }
        @media (max-width: 520px) {
            .cta-form {
                flex-direction: column;
                align-items: center;
            }
            .cta-input {
                width: 100%;
            }
            .cta-title {
                font-size: 1.5rem;
            }
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 40px;
            border: 1px solid var(--color-border);
            display: flex;
            gap: 30px;
            align-items: center;
            flex-wrap: wrap;
        }
        .brand-intro-img {
            flex: 0 0 200px;
            border-radius: var(--radius-md);
            overflow: hidden;
        }
        .brand-intro-img img {
            width: 100%;
            height: auto;
            border-radius: var(--radius-md);
        }
        .brand-intro-text {
            flex: 1 1 300px;
        }
        .brand-intro-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }
        .brand-intro-text p {
            color: var(--color-text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }
        @media (max-width: 768px) {
            .brand-intro-card {
                flex-direction: column;
                padding: 24px;
            }
            .brand-intro-img {
                flex: 0 0 auto;
                max-width: 200px;
                margin: 0 auto;
            }
        }

        /* ========== 新闻卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
        }
        .news-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card-img {
            height: 160px;
            overflow: hidden;
        }
        .news-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .news-card:hover .news-card-img img {
            transform: scale(1.05);
        }
        .news-card-body {
            padding: 18px;
        }
        .news-card-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 6px;
        }
        .news-card-title {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .news-card-summary {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.5;
            margin-bottom: 12px;
        }
        .news-card-link {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }
        .news-card-link:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .news-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            color: var(--color-text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-col h4 {
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }
        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 2;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }
        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== 覆盖Foundation默认样式 ========== */
        .row {
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
        }
        .row .row {
            max-width: none;
        }
        @media (max-width: 768px) {
            .row {
                padding-left: 10px;
                padding-right: 10px;
            }
        }

/* roulang page: category2 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            font-family: var(--font-body);
        }
        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .logo-area {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }
        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }
        .logo-text span {
            color: var(--color-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }
        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }
        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }
        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }
        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }
        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px;
            line-height: 1;
        }

        /* ========== Hero 众筹预热风格 ========== */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: var(--nav-height);
            background: var(--color-bg-darker);
            overflow: hidden;
        }
        .hero-bg-img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-overlay {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(180deg, rgba(10, 14, 23, 0.7) 0%, rgba(10, 14, 23, 0.9) 60%, rgba(10, 14, 23, 0.96) 100%);
            z-index: 1;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px 80px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .hero-left {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.35);
            padding: 8px 18px;
            border-radius: 24px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--color-primary);
            width: fit-content;
            animation: pulse-badge 2.5s ease-in-out infinite;
        }
        @keyframes pulse-badge {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(230, 57, 70, 0.3);
            }
            50% {
                box-shadow: 0 0 0 14px rgba(230, 57, 70, 0);
            }
        }
        .hero-badge i {
            font-size: 0.85rem;
        }
        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            font-family: var(--font-heading);
            letter-spacing: -0.5px;
            margin: 0;
        }
        .hero-title .highlight {
            color: var(--color-primary);
            position: relative;
        }
        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
            max-width: 500px;
        }
        .hero-stats-row {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .hero-stat-number {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
        }
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
        }
        .hero-cta-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-primary-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.35);
            white-space: nowrap;
        }
        .btn-primary-lg:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
            color: #fff !important;
        }
        .btn-outline-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid var(--color-border-light);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }
        .btn-outline-lg:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.06);
        }
        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 20px;
            align-items: center;
        }
        .progress-ring-wrapper {
            position: relative;
            width: 220px;
            height: 220px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .progress-ring-svg {
            width: 220px;
            height: 220px;
            transform: rotate(-90deg);
        }
        .progress-ring-bg {
            fill: none;
            stroke: var(--color-border);
            stroke-width: 10;
        }
        .progress-ring-fill {
            fill: none;
            stroke: var(--color-primary);
            stroke-width: 10;
            stroke-linecap: round;
            transition: stroke-dashoffset 1.5s ease;
        }
        .progress-ring-center {
            position: absolute;
            text-align: center;
        }
        .progress-ring-percent {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            line-height: 1;
        }
        .progress-ring-label {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            margin-top: 4px;
        }
        .hero-tier-cards {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            width: 100%;
        }
        .tier-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 20px 18px;
            text-align: center;
            flex: 1;
            min-width: 130px;
            max-width: 170px;
            transition: all var(--transition-smooth);
            cursor: pointer;
            position: relative;
        }
        .tier-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
            background: var(--color-bg-card-alt);
        }
        .tier-card.featured {
            border-color: var(--color-accent-gold);
            box-shadow: 0 0 25px rgba(255, 183, 3, 0.2);
        }
        .tier-card.featured::before {
            content: '热门';
            position: absolute;
            top: -12px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--color-accent-gold);
            color: #000;
            font-size: 0.7rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 10px;
            white-space: nowrap;
        }
        .tier-name {
            font-weight: 700;
            font-size: 1rem;
            color: #fff;
            margin-bottom: 6px;
        }
        .tier-price {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            margin-bottom: 8px;
        }
        .tier-price .unit {
            font-size: 0.8rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }
        .tier-features {
            list-style: none;
            padding: 0;
            margin: 0 0 12px;
            font-size: 0.78rem;
            color: var(--color-text-light);
            text-align: left;
        }
        .tier-features li {
            padding: 3px 0;
            padding-left: 16px;
            position: relative;
        }
        .tier-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-success);
            font-weight: 700;
            font-size: 0.7rem;
        }
        .tier-btn {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            width: 100%;
            text-align: center;
        }
        .tier-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 3px 14px rgba(230, 57, 70, 0.4);
            color: #fff !important;
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 80px 0;
        }
        .section-block.section-alt {
            background: var(--color-bg-section);
        }
        .section-block.section-dark {
            background: var(--color-bg-darker);
        }
        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            margin: 0 0 12px;
            line-height: 1.3;
        }
        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-light);
            max-width: 700px;
            margin: 0 0 40px;
            line-height: 1.7;
        }
        .text-center {
            text-align: center;
        }
        .mx-auto {
            margin-left: auto;
            margin-right: auto;
        }

        /* ========== 指标看板 ========== */
        .metrics-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .metric-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .metric-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .metric-card .metric-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }
        .metric-card .metric-value {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            line-height: 1;
        }
        .metric-card .metric-value .suffix {
            font-size: 1rem;
            font-weight: 500;
            color: var(--color-text-muted);
        }
        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-top: 6px;
        }
        .metric-card .metric-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-top: 8px;
            padding: 3px 10px;
            border-radius: 12px;
        }
        .metric-trend.up {
            color: var(--color-success);
            background: rgba(46, 204, 113, 0.1);
        }
        .metric-trend.down {
            color: var(--color-primary);
            background: rgba(230, 57, 70, 0.1);
        }

        /* ========== 服务矩阵 ========== */
        .service-matrix {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }
        .service-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            background: var(--color-bg-card-alt);
        }
        .service-card .service-img-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            height: 180px;
        }
        .service-card .service-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .service-card:hover .service-img-wrap img {
            transform: scale(1.05);
        }
        .service-card .service-title {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-heading);
        }
        .service-card .service-desc {
            font-size: 0.9rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex-grow: 1;
        }
        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
            transition: gap var(--transition-fast);
        }
        .service-card .service-link:hover {
            gap: 10px;
            color: var(--color-primary-dark);
        }

        /* ========== 结果对比 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }
        .compare-table th,
        .compare-table td {
            padding: 16px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
        }
        .compare-table th {
            background: var(--color-bg-card);
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            white-space: nowrap;
        }
        .compare-table th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }
        .compare-table th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }
        .compare-table td {
            color: var(--color-text-light);
            font-size: 0.9rem;
        }
        .compare-table td:first-child {
            text-align: left;
            font-weight: 600;
            color: #fff;
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }
        .compare-table .cross-icon {
            color: var(--color-text-muted);
            font-size: 1.1rem;
        }
        .compare-table .highlight-col {
            background: rgba(230, 57, 70, 0.08);
        }
        .compare-table .highlight-col th {
            background: rgba(230, 57, 70, 0.2);
            color: var(--color-primary);
        }

        /* ========== 深度数据展示 ========== */
        .deep-data-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 30px;
        }
        .deep-data-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px;
            transition: all var(--transition-smooth);
        }
        .deep-data-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }
        .deep-data-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            font-family: var(--font-heading);
        }
        .deep-data-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
            margin: 0;
        }
        .deep-data-list {
            list-style: none;
            padding: 0;
            margin: 16px 0 0;
        }
        .deep-data-list li {
            padding: 8px 0;
            padding-left: 22px;
            position: relative;
            font-size: 0.9rem;
            color: var(--color-text-light);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
        }
        .deep-data-list li::before {
            content: '▸';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: 700;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-card {
            background: var(--color-bg-card-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            gap: 30px;
            align-items: center;
        }
        .brand-intro-card .brand-intro-img {
            width: 180px;
            height: 180px;
            border-radius: var(--radius-lg);
            overflow: hidden;
            flex-shrink: 0;
        }
        .brand-intro-card .brand-intro-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .brand-intro-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
            font-family: var(--font-heading);
        }
        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 新闻中心 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 22px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .news-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
        }
        .news-card .news-title {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.4;
        }
        .news-card .news-summary {
            font-size: 0.85rem;
            color: var(--color-text-light);
            line-height: 1.6;
            flex-grow: 1;
        }
        .news-card .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.85rem;
            transition: gap var(--transition-fast);
        }
        .news-card .news-link:hover {
            gap: 10px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-fast);
        }
        .faq-item:hover {
            border-color: var(--color-border-light);
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-body);
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-question .faq-icon {
            font-size: 0.9rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            color: var(--color-text-muted);
        }
        .faq-item.active .faq-question .faq-icon {
            transform: rotate(180deg);
            color: var(--color-primary);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
        }
        .faq-item.active .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 22px 18px;
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        /* ========== CTA转化 ========== */
        .cta-section-block {
            background: linear-gradient(135deg, var(--color-bg-darker) 0%, #111827 50%, #0d1119 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section-block::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle at center, rgba(230, 57, 70, 0.06) 0%, transparent 60%);
            z-index: 0;
        }
        .cta-section-block>* {
            position: relative;
            z-index: 1;
        }
        .cta-form-row {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 24px auto 0;
            flex-wrap: wrap;
            justify-content: center;
        }
        .cta-input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: 26px;
            border: 1px solid var(--color-border-light);
            background: var(--color-bg-card);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }
        .cta-input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }
        .cta-input::placeholder {
            color: var(--color-text-muted);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 16px;
            font-family: var(--font-heading);
        }
        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            margin-top: 36px;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            text-align: center;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 2;
        }
        .footer-bottom a {
            color: var(--color-text-muted);
        }
        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-inner {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-left {
                align-items: center;
                text-align: center;
            }
            .hero-subtitle {
                max-width: 100%;
            }
            .hero-stats-row {
                justify-content: center;
            }
            .hero-cta-row {
                justify-content: center;
            }
            .hero-right {
                order: -1;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-matrix {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .deep-data-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-card {
                flex-direction: column;
                text-align: center;
            }
            .brand-intro-card .brand-intro-img {
                margin: 0 auto;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                flex-direction: column;
                padding: 16px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }
            .nav-links.show {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px;
                border-radius: var(--radius-md);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-inner {
                padding: 40px 16px 60px;
            }
            .progress-ring-wrapper {
                width: 170px;
                height: 170px;
            }
            .progress-ring-svg {
                width: 170px;
                height: 170px;
            }
            .progress-ring-percent {
                font-size: 2rem;
            }
            .hero-tier-cards {
                flex-direction: column;
                align-items: center;
            }
            .tier-card {
                max-width: 100%;
                width: 100%;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .service-matrix {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section-block {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .cta-section-block {
                padding: 30px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .compare-table-wrap {
                border-radius: var(--radius-md);
            }
            .compare-table th,
            .compare-table td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }
        }
        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-number {
                font-size: 1.5rem;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
            }
            .btn-primary-lg,
            .btn-outline-lg {
                padding: 12px 22px;
                font-size: 0.9rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .brand-intro-card {
                padding: 24px;
            }
            .deep-data-card {
                padding: 20px;
            }
            .cta-form-row {
                flex-direction: column;
            }
            .cta-input {
                min-width: auto;
                width: 100%;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --color-tennis: #28b463;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --shadow-glow-green: 0 0 30px rgba(40, 180, 99, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

        a:hover {
            color: var(--color-primary);
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
            box-shadow: 0 2px 14px rgba(230, 57, 70, 0.4);
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.55);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-menu-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            background-color: var(--color-bg-darker);
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(6, 9, 16, 0.88) 30%, rgba(10, 14, 23, 0.7) 60%, rgba(17, 24, 39, 0.55) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            padding: 60px 0;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 0.85rem;
            padding: 7px 16px;
            border-radius: 20px;
            letter-spacing: 1px;
            margin-bottom: 18px;
            animation: pulse-badge 2s ease-in-out infinite;
            box-shadow: 0 0 20px rgba(230, 57, 70, 0.5);
        }

        @keyframes pulse-badge {
            0%,
            100% {
                transform: scale(1);
            }
            50% {
                transform: scale(1.05);
            }
        }

        .hero-explosion-tag {
            position: absolute;
            top: 30px;
            right: 30px;
            width: 100px;
            height: 100px;
            background: var(--color-accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 900;
            font-size: 0.9rem;
            color: #1a1a1a;
            text-align: center;
            line-height: 1.3;
            box-shadow: 0 0 40px rgba(255, 183, 3, 0.5);
            animation: float-tag 3s ease-in-out infinite;
            z-index: 3;
            transform: rotate(-8deg);
            letter-spacing: 1px;
        }

        @keyframes float-tag {
            0%,
            100% {
                transform: rotate(-8deg) translateY(0);
            }
            50% {
                transform: rotate(-8deg) translateY(-14px);
            }
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            letter-spacing: 1px;
        }

        .hero-title span {
            color: var(--color-accent-gold);
            position: relative;
        }

        .hero-subtitle {
            font-size: 1.2rem;
            color: var(--color-text-light);
            margin-bottom: 28px;
            max-width: 600px;
            line-height: 1.6;
        }

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

        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 700;
            background: var(--color-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
            letter-spacing: 0.5px;
            cursor: pointer;
            text-align: center;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-block;
            padding: 14px 32px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.5);
            transition: all var(--transition-smooth);
            letter-spacing: 0.5px;
            cursor: pointer;
            text-align: center;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-limit-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--color-accent-gold);
            font-weight: 600;
            font-size: 0.95rem;
            margin-top: 10px;
            animation: blink-dot 1.5s ease-in-out infinite;
        }

        .hero-limit-text .dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent-gold);
            border-radius: 50%;
            display: inline-block;
        }

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

        /* ========== 板块通用 ========== */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background: var(--color-bg-section);
        }

        .section-darker {
            background: var(--color-bg-darker);
        }

        .section-card-bg {
            background: var(--color-bg-card);
        }

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

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .section-header p {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 650px;
            margin: 0 auto;
            line-height: 1.6;
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-primary);
            margin-bottom: 8px;
        }

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

        .metric-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
        }

        .metric-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        .metric-icon {
            font-size: 2.2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .metric-number {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            font-family: var(--font-heading);
            line-height: 1;
            margin-bottom: 6px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.78rem;
            color: var(--color-success);
            margin-top: 4px;
            font-weight: 600;
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-card-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: all var(--transition-smooth);
            position: relative;
        }

        .service-card:hover {
            border-color: var(--color-tennis);
            box-shadow: var(--shadow-glow-green);
            transform: translateY(-3px);
        }

        .service-card-icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(40, 180, 99, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--color-tennis);
            margin-bottom: 16px;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0;
        }

        .service-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(40, 180, 99, 0.2);
            color: var(--color-tennis);
            margin-top: 12px;
            letter-spacing: 0.5px;
        }

        /* ========== 结果对比 ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table th {
            background: rgba(230, 57, 70, 0.15);
            color: #fff;
            font-weight: 700;
            padding: 16px 18px;
            text-align: center;
            font-size: 0.95rem;
            border-bottom: 2px solid var(--color-border-light);
            font-family: var(--font-heading);
        }

        .comparison-table td {
            padding: 14px 18px;
            text-align: center;
            color: var(--color-text-light);
            border-bottom: 1px solid var(--color-border);
            font-size: 0.9rem;
        }

        .comparison-table tr:hover td {
            background: rgba(255, 255, 255, 0.03);
        }

        .comparison-table .highlight-row {
            background: rgba(40, 180, 99, 0.08);
        }

        .comparison-table .highlight-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.75rem;
            font-weight: 700;
            background: var(--color-success);
            color: #fff;
        }

        .comparison-table .star-icon {
            color: var(--color-accent-gold);
            font-size: 0.85rem;
        }

        /* ========== 赛事亮点卡片 ========== */
        .highlight-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .highlight-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

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

        .highlight-card-img {
            height: 200px;
            overflow: hidden;
            position: relative;
        }

        .highlight-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .highlight-card:hover .highlight-card-img img {
            transform: scale(1.06);
        }

        .highlight-card-img .tag-overlay {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            padding: 5px 12px;
            border-radius: 14px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            z-index: 2;
        }

        .highlight-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .highlight-card-body h3 {
            font-size: 1.15rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .highlight-card-body p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 12px;
        }

        .highlight-card-body .link-more {
            font-weight: 600;
            color: var(--color-primary);
            font-size: 0.9rem;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .highlight-card-body .link-more:hover {
            gap: 8px;
            color: var(--color-primary-dark);
        }

        /* ========== 新闻卡片 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px;
            transition: all var(--transition-smooth);
        }

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

        .news-date {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .news-date i {
            color: var(--color-primary);
            font-size: 0.7rem;
        }

        .news-card h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .news-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
            margin-bottom: 12px;
        }

        .news-card .btn-read-more {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-card .btn-read-more:hover {
            gap: 7px;
            color: var(--color-primary-dark);
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-block {
            background: var(--color-bg-card-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: flex;
            gap: 30px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .brand-intro-icon {
            width: 64px;
            height: 64px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            color: #fff;
            flex-shrink: 0;
        }

        .brand-intro-text {
            flex: 1;
            min-width: 260px;
        }

        .brand-intro-text h3 {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .brand-intro-text p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.7;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 18px 22px;
            font-weight: 700;
            color: #fff;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
            font-family: var(--font-heading);
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-primary);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
            margin-left: 12px;
        }

        .faq-item.open .faq-question .faq-icon {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px 22px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-card-alt) 0%, var(--color-bg-darker) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 160px;
            height: 160px;
            background: rgba(230, 57, 70, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 120px;
            height: 120px;
            background: rgba(40, 180, 99, 0.06);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
            font-family: var(--font-heading);
        }

        .cta-section p {
            font-size: 1rem;
            color: var(--color-text-light);
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
            max-width: 550px;
            margin-left: auto;
            margin-right: auto;
        }

        .cta-form {
            display: flex;
            gap: 10px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 18px;
            border-radius: 26px;
            border: 1px solid var(--color-border-light);
            background: var(--color-bg-card);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border var(--transition-fast), box-shadow var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.2);
        }

        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }

        .cta-form .btn-submit {
            padding: 14px 28px;
            border-radius: 26px;
            font-weight: 700;
            font-size: 0.95rem;
            background: var(--color-primary);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: all var(--transition-smooth);
            white-space: nowrap;
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.4);
        }

        .cta-form .btn-submit:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.55);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            color: var(--color-text-muted);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast), padding-left var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 2;
        }

        .footer-bottom a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-explosion-tag {
                width: 75px;
                height: 75px;
                font-size: 0.72rem;
                top: 20px;
                right: 20px;
            }
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .highlight-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .nav-links a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-section {
                min-height: 440px;
            }
            .hero-explosion-tag {
                width: 60px;
                height: 60px;
                font-size: 0.65rem;
                top: 15px;
                right: 15px;
            }
            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .metric-number {
                font-size: 2rem;
            }
            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .highlight-grid {
                grid-template-columns: 1fr;
            }
            .news-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }
            .section {
                padding: 40px 0;
            }
            .section-header h2 {
                font-size: 1.5rem;
            }
            .section-header {
                margin-bottom: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .cta-section {
                padding: 30px 20px;
            }
            .cta-section h2 {
                font-size: 1.5rem;
            }
            .brand-intro-block {
                padding: 24px;
                flex-direction: column;
                align-items: center;
                text-align: center;
            }
            .nav-links {
                gap: 3px;
            }
            .nav-links a {
                padding: 6px 10px;
                font-size: 0.78rem;
                border-radius: 16px;
            }
            .logo-text {
                font-size: 1.1rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 16px;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: flex-start;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                text-align: center;
            }
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .comparison-table th,
            .comparison-table td {
                padding: 10px 12px;
                font-size: 0.78rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-section {
                min-height: 380px;
            }
            .hero-explosion-tag {
                width: 50px;
                height: 50px;
                font-size: 0.6rem;
                top: 10px;
                right: 10px;
            }
            .metrics-grid {
                grid-template-columns: 1fr;
                gap: 10px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .nav-links {
                flex-wrap: nowrap;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                gap: 2px;
                padding-bottom: 4px;
            }
            .nav-links a {
                flex-shrink: 0;
                font-size: 0.75rem;
                padding: 6px 10px;
            }
            .header-inner {
                flex-wrap: wrap;
            }
            .section-header h2 {
                font-size: 1.3rem;
            }
            .cta-form {
                flex-direction: column;
            }
            .cta-form input {
                min-width: auto;
                width: 100%;
            }
            .cta-form .btn-submit {
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

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

        a:hover {
            color: var(--color-primary);
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            line-height: 1;
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            min-height: 520px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            background-color: var(--color-bg-darker);
            overflow: hidden;
            padding: 60px 20px;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(6, 9, 16, 0.7) 0%, rgba(10, 14, 23, 0.88) 60%, var(--color-bg-dark) 100%);
            z-index: 1;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 700px;
            width: 100%;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 18px;
            border-radius: 20px;
            background: rgba(230, 57, 70, 0.2);
            border: 1px solid rgba(230, 57, 70, 0.4);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }

        .hero-title {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-light);
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .hero-search-wrap {
            display: flex;
            align-items: center;
            max-width: 560px;
            margin: 0 auto 28px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid var(--color-border-light);
            border-radius: 30px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

        .hero-search-wrap:focus-within {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
            background: rgba(255, 255, 255, 0.1);
        }

        .hero-search-wrap input {
            flex: 1;
            padding: 14px 20px;
            background: transparent;
            border: none;
            color: #fff;
            font-size: 1rem;
            outline: none;
            min-width: 0;
        }

        .hero-search-wrap input::placeholder {
            color: var(--color-text-muted);
        }

        .hero-search-wrap button {
            padding: 14px 24px;
            background: var(--color-primary);
            border: none;
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-search-wrap button:hover {
            background: var(--color-primary-dark);
        }

        .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .hero-tags a {
            display: inline-block;
            padding: 8px 18px;
            border-radius: 20px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--color-border);
            color: var(--color-text-light);
            font-size: 0.9rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .hero-tags a:hover {
            background: rgba(230, 57, 70, 0.15);
            border-color: var(--color-primary);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: 70px 0;
        }

        .section-block-alt {
            padding: 70px 0;
            background: var(--color-bg-section);
        }

        .section-label {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 14px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.8rem;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            margin-bottom: 36px;
            line-height: 1.7;
            max-width: 700px;
        }

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

        .section-header .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

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

        .metric-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .metric-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--color-primary);
            border-radius: 0 0 var(--radius-sm) var(--radius-sm);
            opacity: 0;
            transition: opacity var(--transition-smooth);
        }

        .metric-card:hover {
            border-color: var(--color-primary);
            transform: translateY(-4px);
            box-shadow: var(--shadow-glow);
        }

        .metric-card:hover::before {
            opacity: 1;
        }

        .metric-icon {
            font-size: 2rem;
            color: var(--color-primary);
            margin-bottom: 12px;
        }

        .metric-value {
            font-size: 2.6rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
            margin-bottom: 4px;
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.8rem;
            color: var(--color-success);
            margin-top: 6px;
            font-weight: 500;
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 30px 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .service-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: rgba(230, 57, 70, 0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--color-primary);
            flex-shrink: 0;
        }

        .service-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            font-family: var(--font-heading);
        }

        .service-card p {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .service-card .service-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: auto;
            transition: gap var(--transition-fast);
        }

        .service-card .service-link:hover {
            gap: 10px;
            color: var(--color-accent-gold);
        }

        /* ========== 结果对比 ========== */
        .compare-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
            background: var(--color-bg-card);
        }

        .compare-table thead th {
            background: var(--color-bg-card-alt);
            padding: 16px 20px;
            text-align: left;
            font-weight: 700;
            color: #fff;
            font-size: 0.95rem;
            border-bottom: 2px solid var(--color-border-light);
            white-space: nowrap;
        }

        .compare-table thead th:first-child {
            border-radius: var(--radius-lg) 0 0 0;
        }

        .compare-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .compare-table tbody td {
            padding: 14px 20px;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-light);
            font-size: 0.9rem;
            vertical-align: middle;
        }

        .compare-table tbody tr:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .compare-table tbody tr:last-child td {
            border-bottom: none;
        }

        .compare-table .check-icon {
            color: var(--color-success);
            font-weight: 700;
        }

        .compare-table .dash-icon {
            color: var(--color-text-muted);
        }

        .compare-table .highlight-col {
            background: rgba(230, 57, 70, 0.06);
        }

        .compare-table thead .highlight-col {
            background: rgba(230, 57, 70, 0.2);
            color: #fff;
        }

        /* ========== 深度内容区 ========== */
        .content-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .content-block.reverse {
            direction: rtl;
        }

        .content-block.reverse>* {
            direction: ltr;
        }

        .content-text h3 {
            font-size: 1.6rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }

        .content-text p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .content-image {
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

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

        /* ========== 品牌介绍 ========== */
        .brand-intro-card {
            background: var(--color-bg-card-alt);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .brand-intro-card .brand-icon {
            font-size: 2.5rem;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .brand-intro-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .brand-intro-card p {
            font-size: 1rem;
            color: var(--color-text-light);
            line-height: 1.8;
        }

        /* ========== 新闻中心 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 24px;
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

        .news-date {
            font-size: 0.8rem;
            color: var(--color-primary);
            font-weight: 600;
            letter-spacing: 0.5px;
        }

        .news-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin: 0;
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .news-card .news-excerpt {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin: 0;
        }

        .news-card .news-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--color-primary);
            font-weight: 600;
            font-size: 0.85rem;
            margin-top: auto;
            transition: gap var(--transition-fast);
            background: none;
            border: none;
            cursor: pointer;
            padding: 0;
        }

        .news-card .news-btn:hover {
            gap: 10px;
            color: var(--color-accent-gold);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            width: 100%;
            padding: 18px 24px;
            background: none;
            border: none;
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            text-align: left;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-family: var(--font-body);
            transition: all var(--transition-fast);
        }

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

        .faq-question .faq-arrow {
            transition: transform var(--transition-smooth);
            flex-shrink: 0;
            color: var(--color-text-muted);
            font-size: 0.8rem;
        }

        .faq-item.active .faq-question .faq-arrow {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            color: var(--color-text-light);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 24px 18px;
        }

        /* ========== CTA ========== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-bg-card-alt) 0%, var(--color-bg-darker) 100%);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            max-width: 900px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -30%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.08) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .cta-section h3 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 1.05rem;
            color: var(--color-text-light);
            margin-bottom: 28px;
            position: relative;
            z-index: 1;
            line-height: 1.7;
        }

        .cta-form {
            display: flex;
            gap: 12px;
            max-width: 500px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form input {
            flex: 1;
            min-width: 200px;
            padding: 14px 20px;
            border-radius: 28px;
            border: 1px solid var(--color-border-light);
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            font-size: 1rem;
            outline: none;
            transition: all var(--transition-fast);
        }

        .cta-form input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 4px rgba(230, 57, 70, 0.1);
        }

        .cta-form input::placeholder {
            color: var(--color-text-muted);
        }

        .cta-form button {
            padding: 14px 28px;
            border-radius: 28px;
            background: var(--color-primary);
            border: none;
            color: #fff;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form button:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 20px rgba(230, 57, 70, 0.4);
            transform: translateY(-2px);
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
            margin-top: 20px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 36px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
            font-family: var(--font-heading);
        }

        .footer-col a {
            display: block;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            padding: 5px 0;
            transition: all var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.85rem;
            line-height: 2;
        }

        .footer-bottom a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .content-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .content-block.reverse {
                direction: ltr;
            }

            .hero-title {
                font-size: 2.2rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.98);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--color-border);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px 16px;
                border-radius: var(--radius-md);
            }

            .mobile-toggle {
                display: block;
            }

            .hero-title {
                font-size: 1.8rem;
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .section-title {
                font-size: 1.5rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .metric-value {
                font-size: 2rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
            }

            .news-grid {
                grid-template-columns: 1fr;
            }

            .cta-section {
                padding: 36px 20px;
            }

            .cta-section h3 {
                font-size: 1.4rem;
            }

            .cta-form {
                flex-direction: column;
                align-items: center;
            }

            .cta-form input {
                width: 100%;
                max-width: 400px;
            }

            .compare-table-wrap {
                border-radius: var(--radius-md);
            }

            .brand-intro-card {
                padding: 28px 20px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }

            .section-block,
            .section-block-alt {
                padding: 48px 0;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }

            .hero-search-wrap {
                flex-direction: column;
                border-radius: var(--radius-md);
                border: none;
                background: transparent;
                gap: 10px;
            }

            .hero-search-wrap input {
                width: 100%;
                border-radius: 24px;
                background: rgba(255, 255, 255, 0.06);
                border: 1px solid var(--color-border-light);
                padding: 12px 18px;
            }

            .hero-search-wrap button {
                width: 100%;
                border-radius: 24px;
                padding: 12px 20px;
            }

            .hero-tags {
                gap: 6px;
            }

            .hero-tags a {
                padding: 6px 14px;
                font-size: 0.8rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }

            .section-title {
                font-size: 1.35rem;
            }

            .hero-section {
                min-height: 440px;
                padding: 40px 16px;
            }

            .compare-table thead th,
            .compare-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }

            .brand-intro-card p {
                font-size: 0.9rem;
            }
        }

        /* ========== Foundation 覆盖 ========== */
        .foundation-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .foundation-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
        }

        .button-primary-override {
            background: var(--color-primary) !important;
            border-radius: 24px !important;
            font-weight: 600 !important;
            padding: 12px 24px !important;
            transition: all var(--transition-fast) !important;
            border: none !important;
        }

        .button-primary-override:hover {
            background: var(--color-primary-dark) !important;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35) !important;
        }

        .grid-x.gap-custom {
            gap: 20px;
        }

        @media (max-width: 768px) {
            .grid-x.gap-custom {
                gap: 14px;
            }
        }

/* roulang page: category5 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
            padding-top: var(--nav-height);
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        a:hover {
            color: var(--color-primary);
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
            white-space: nowrap;
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: nowrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.4);
            transform: translateY(-1px);
            color: #fff !important;
        }

        .nav-mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px;
            flex-shrink: 0;
        }

        /* ========== Hero Section ========== */
        .hero-section {
            position: relative;
            padding: 80px 0 90px;
            background: var(--color-bg-darker);
            overflow: hidden;
            min-height: 580px;
            display: flex;
            align-items: center;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            filter: blur(1px);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(6, 9, 16, 0.65) 0%, rgba(10, 14, 23, 0.9) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .hero-text h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            line-height: 1.25;
            font-family: var(--font-heading);
            letter-spacing: 0.3px;
        }

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

        .hero-subtitle {
            font-size: 1.15rem;
            color: var(--color-text-light);
            margin-bottom: 28px;
            line-height: 1.6;
            max-width: 480px;
        }

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

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.35);
            white-space: nowrap;
        }

        .btn-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 28px rgba(230, 57, 70, 0.5);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 28px;
            font-size: 1rem;
            font-weight: 600;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255, 255, 255, 0.35);
            transition: all var(--transition-smooth);
            white-space: nowrap;
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
            transform: translateY(-2px);
        }

        .hero-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            position: relative;
            overflow: hidden;
        }

        .hero-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent-gold), var(--color-primary));
            border-radius: 3px 3px 0 0;
        }

        .hero-card-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .hero-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .hero-card p {
            color: var(--color-text-light);
            font-size: 0.95rem;
            margin-bottom: 18px;
            line-height: 1.6;
        }

        .hero-card-features {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .hero-card-features li {
            padding: 6px 0;
            color: var(--color-text-light);
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .hero-card-features li i {
            color: var(--color-success);
            font-size: 0.85rem;
        }

        /* ========== Section 通用 ========== */
        .section {
            padding: 70px 0;
        }

        .section-dark {
            background: var(--color-bg-darker);
        }

        .section-alt {
            background: var(--color-bg-section);
        }

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

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .section-header .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.82rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.12);
            color: var(--color-primary);
            margin-bottom: 8px;
        }

        .section-header p {
            color: var(--color-text-muted);
            font-size: 1rem;
            max-width: 600px;
            margin: 0 auto;
        }

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

        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }

        .metric-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
        }

        .metric-card .metric-icon {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 1.3rem;
        }

        .metric-card .metric-icon.red {
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-primary);
        }

        .metric-card .metric-icon.gold {
            background: rgba(255, 183, 3, 0.15);
            color: var(--color-accent-gold);
        }

        .metric-card .metric-icon.green {
            background: rgba(46, 204, 113, 0.15);
            color: var(--color-success);
        }

        .metric-card .metric-icon.blue {
            background: rgba(66, 153, 225, 0.15);
            color: #4299e1;
        }

        .metric-number {
            font-size: 2.4rem;
            font-weight: 800;
            color: #fff;
            line-height: 1;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }

        .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            font-weight: 500;
        }

        .metric-sub {
            font-size: 0.8rem;
            color: var(--color-success);
            margin-top: 4px;
            font-weight: 500;
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

        .service-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: var(--color-border-light);
        }

        .service-card-img {
            height: 180px;
            overflow: hidden;
            position: relative;
        }

        .service-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }

        .service-card:hover .service-card-img img {
            transform: scale(1.06);
        }

        .service-card-body {
            padding: 22px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .service-card-body h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            font-family: var(--font-heading);
        }

        .service-card-body p {
            color: var(--color-text-muted);
            font-size: 0.9rem;
            margin-bottom: 14px;
            line-height: 1.5;
            flex: 1;
        }

        .service-card-body .btn-sm {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            background: transparent;
            color: var(--color-primary);
            border: 1px solid var(--color-primary);
            transition: all var(--transition-fast);
            text-align: center;
            align-self: flex-start;
        }

        .service-card-body .btn-sm:hover {
            background: var(--color-primary);
            color: #fff;
        }

        /* ========== 对比表格 ========== */
        .comparison-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border);
            background: var(--color-bg-card);
        }

        .comparison-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 700px;
        }

        .comparison-table thead th {
            background: var(--color-bg-card-alt);
            color: #fff;
            font-weight: 700;
            padding: 16px 20px;
            font-size: 0.95rem;
            text-align: center;
            border-bottom: 2px solid var(--color-border);
            font-family: var(--font-heading);
        }

        .comparison-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-lg) 0 0 0;
        }

        .comparison-table thead th:last-child {
            border-radius: 0 var(--radius-lg) 0 0;
        }

        .comparison-table tbody td {
            padding: 14px 20px;
            text-align: center;
            border-bottom: 1px solid var(--color-border);
            color: var(--color-text-light);
            font-size: 0.9rem;
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: #fff;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.02);
        }

        .comparison-table .highlight-col {
            background: rgba(230, 57, 70, 0.06);
        }

        .comparison-table .check-icon {
            color: var(--color-success);
            font-size: 1rem;
        }

        .comparison-table .dash-icon {
            color: var(--color-text-muted);
        }

        .comparison-table .star-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 10px;
            font-size: 0.75rem;
            background: rgba(230, 57, 70, 0.2);
            color: var(--color-primary);
            font-weight: 600;
        }

        /* ========== 新闻中心 ========== */
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .news-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            padding: 22px 20px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
        }

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

        .news-card .news-date {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-bottom: 8px;
        }

        .news-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
            line-height: 1.4;
            font-family: var(--font-heading);
        }

        .news-card .news-excerpt {
            font-size: 0.88rem;
            color: var(--color-text-light);
            line-height: 1.5;
            flex: 1;
            margin-bottom: 12px;
        }

        .news-card .news-link {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-fast);
        }

        .news-card .news-link:hover {
            color: var(--color-accent-gold);
            gap: 8px;
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

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

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question i {
            transition: transform var(--transition-smooth);
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
            color: var(--color-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-smooth), padding var(--transition-smooth);
            padding: 0 22px;
            color: var(--color-text-light);
            font-size: 0.92rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 22px 18px;
        }

        /* ========== CTA Section ========== */
        .cta-section {
            padding: 80px 0;
            background: var(--color-bg-darker);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }

        .cta-text h2 {
            font-size: 2rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .cta-text p {
            color: var(--color-text-light);
            font-size: 1rem;
            margin-bottom: 20px;
            line-height: 1.6;
        }

        .cta-form-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
        }

        .cta-form-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            font-family: var(--font-heading);
        }

        .cta-form-card .form-group {
            margin-bottom: 14px;
        }

        .cta-form-card label {
            display: block;
            font-size: 0.85rem;
            color: var(--color-text-light);
            margin-bottom: 5px;
            font-weight: 500;
        }

        .cta-form-card input {
            width: 100%;
            padding: 12px 16px;
            border-radius: var(--radius-sm);
            border: 1px solid var(--color-border);
            background: var(--color-bg-dark);
            color: #fff;
            font-size: 0.95rem;
            transition: border-color var(--transition-fast);
        }

        .cta-form-card input:focus {
            outline: none;
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.12);
        }

        .cta-form-card .btn-submit {
            width: 100%;
            padding: 13px;
            border-radius: 24px;
            font-size: 1rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff;
            border: none;
            transition: all var(--transition-smooth);
            cursor: pointer;
            margin-top: 6px;
        }

        .cta-form-card .btn-submit:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 6px 22px rgba(230, 57, 70, 0.4);
        }

        .cta-form-card .form-note {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 10px;
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid var(--color-border);
            max-width: 900px;
            margin: 0 auto;
            text-align: center;
        }

        .brand-intro-card h3 {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .brand-intro-card p {
            color: var(--color-text-light);
            line-height: 1.8;
            font-size: 0.95rem;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            border-top: 1px solid var(--color-border);
            padding: 50px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 14px;
            font-family: var(--font-heading);
        }

        .footer-col a {
            display: block;
            padding: 5px 0;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            color: var(--color-text-muted);
            font-size: 0.82rem;
            line-height: 2;
        }

        .footer-bottom a {
            color: var(--color-text-light);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .hero-text h1 {
                font-size: 2.2rem;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .cta-inner {
                grid-template-columns: 1fr;
                gap: 30px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .nav-links a {
                padding: 7px 11px;
                font-size: 0.85rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                gap: 3px;
            }

            .nav-links a {
                padding: 6px 10px;
                font-size: 0.78rem;
                border-radius: 16px;
            }

            .logo-text {
                font-size: 1.15rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .hero-section {
                padding: 50px 0 55px;
                min-height: auto;
            }

            .hero-text h1 {
                font-size: 1.7rem;
            }

            .hero-subtitle {
                font-size: 0.95rem;
            }

            .hero-card {
                padding: 22px 18px;
            }

            .section {
                padding: 45px 0;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .metric-card {
                padding: 20px 14px;
            }

            .metric-number {
                font-size: 1.8rem;
            }

            .service-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .news-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }

            .comparison-table thead th,
            .comparison-table tbody td {
                padding: 10px 12px;
                font-size: 0.8rem;
            }

            .btn-primary,
            .btn-outline {
                padding: 11px 22px;
                font-size: 0.9rem;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .nav-links {
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                padding-bottom: 4px;
                flex-wrap: nowrap;
                gap: 4px;
            }

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

            .nav-links a {
                flex-shrink: 0;
            }
        }

        @media (max-width: 520px) {
            .hero-text h1 {
                font-size: 1.4rem;
            }

            .hero-subtitle {
                font-size: 0.88rem;
            }

            .hero-actions {
                flex-direction: column;
                gap: 10px;
            }

            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .metric-number {
                font-size: 1.5rem;
            }

            .metric-card {
                padding: 16px 10px;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 14px;
            }

            .news-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .cta-form-card {
                padding: 22px 16px;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .nav-links a {
                padding: 5px 8px;
                font-size: 0.72rem;
                border-radius: 14px;
            }

            .logo-text {
                font-size: 1rem;
            }

            .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 14px;
            }

            .site-header {
                --nav-height: 56px;
            }

            body {
                padding-top: 56px;
            }
        }

/* roulang page: category6 */
:root {
            --color-primary: #e63946;
            --color-primary-dark: #c1121f;
            --color-secondary: #1d3557;
            --color-accent: #f4a261;
            --color-accent-gold: #ffb703;
            --color-bg-dark: #0a0e17;
            --color-bg-darker: #060910;
            --color-bg-card: #111827;
            --color-bg-card-alt: #1a1f2e;
            --color-bg-section: #0d1119;
            --color-text: #e8e8e8;
            --color-text-light: #c5c5c5;
            --color-text-muted: #8a8f9a;
            --color-text-white: #ffffff;
            --color-border: #2a2f3a;
            --color-border-light: #353b48;
            --color-success: #2ecc71;
            --color-warning: #f39c12;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.3);
            --shadow-md: 0 4px 20px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 8px 40px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px rgba(230, 57, 70, 0.25);
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --nav-height: 70px;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            margin: 0;
            padding: 0;
            font-family: var(--font-body);
            background-color: var(--color-bg-dark);
            color: var(--color-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        a:hover {
            color: var(--color-primary);
        }

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
        }

        input,
        select,
        textarea {
            font-family: var(--font-body);
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            color: var(--color-text-white);
            line-height: 1.3;
            margin-top: 0;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-narrow {
            max-width: 960px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .container-wide {
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* ========== 导航 ========== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--nav-height);
            display: flex;
            align-items: center;
            background: rgba(10, 14, 23, 0.75);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth), box-shadow var(--transition-smooth);
        }

        .site-header.scrolled {
            background: rgba(10, 14, 23, 0.95);
            box-shadow: 0 2px 24px rgba(0, 0, 0, 0.5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.12);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding: 0 20px;
        }

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

        .logo-icon {
            width: 40px;
            height: 40px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
        }

        .logo-text {
            font-size: 1.4rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.5px;
            font-family: var(--font-heading);
        }

        .logo-text span {
            color: var(--color-primary);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
            flex-wrap: wrap;
        }

        .nav-links a {
            display: inline-block;
            padding: 8px 16px;
            border-radius: 20px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--color-text-light);
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
        }

        .nav-links a:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-links a.active {
            color: #fff;
            background: var(--color-primary);
            font-weight: 600;
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.35);
        }

        .nav-cta-btn {
            display: inline-block;
            padding: 9px 20px;
            border-radius: 22px;
            font-size: 0.9rem;
            font-weight: 600;
            background: var(--color-primary);
            color: #fff !important;
            border: none;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .nav-cta-btn:hover {
            background: var(--color-primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.4);
            color: #fff !important;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        /* ========== Hero ========== */
        .hero-section {
            position: relative;
            padding: 140px 0 80px;
            min-height: 85vh;
            display: flex;
            align-items: center;
            background: var(--color-bg-darker);
            overflow: hidden;
        }

        .hero-bg-overlay {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.18;
            z-index: 0;
        }

        .hero-glow {
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 0;
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 1;
            width: 100%;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.6fr 1fr;
            gap: 30px;
            align-items: center;
        }

        .hero-left .value-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            margin-bottom: 20px;
            padding: 14px 16px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-fast);
        }

        .hero-left .value-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateX(4px);
        }

        .value-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            flex-shrink: 0;
            background: rgba(230, 57, 70, 0.2);
            color: var(--color-primary);
        }

        .value-text h4 {
            font-size: 0.95rem;
            font-weight: 600;
            margin: 0 0 3px;
            color: #fff;
        }

        .value-text p {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.4;
        }

        .hero-center {
            text-align: center;
        }

        .hero-stage-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 20px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg), var(--shadow-glow);
            position: relative;
            overflow: hidden;
        }

        .hero-stage-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-primary), var(--color-accent-gold), var(--color-primary), transparent);
        }

        .hero-stage-card .stage-badge {
            display: inline-block;
            padding: 5px 14px;
            border-radius: 14px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.2);
            color: var(--color-primary);
            margin-bottom: 14px;
        }

        .hero-stage-card .stage-title {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 6px;
        }

        .hero-stage-card .stage-subtitle {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin-bottom: 16px;
        }

        .stage-mockup {
            background: var(--color-bg-card-alt);
            border-radius: var(--radius-md);
            padding: 18px;
            border: 1px solid var(--color-border-light);
        }

        .mockup-row {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 8px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            font-size: 0.85rem;
        }

        .mockup-row:last-child {
            border-bottom: none;
        }

        .mockup-player {
            color: #fff;
            font-weight: 600;
        }

        .mockup-score {
            color: var(--color-primary);
            font-weight: 700;
            font-size: 1.1rem;
        }

        .mockup-status {
            color: var(--color-success);
            font-size: 0.75rem;
            font-weight: 500;
        }

        .hero-right {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .hero-right .cta-btn-lg {
            display: block;
            width: 100%;
            padding: 14px 20px;
            border-radius: var(--radius-md);
            font-size: 1rem;
            font-weight: 600;
            text-align: center;
            transition: all var(--transition-fast);
            border: none;
            cursor: pointer;
        }

        .cta-btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.35);
        }

        .cta-btn-primary:hover {
            background: var(--color-primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.5);
            color: #fff;
        }

        .cta-btn-outline {
            background: transparent;
            color: #fff;
            border: 2px solid var(--color-border-light);
        }

        .cta-btn-outline:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            transform: translateY(-2px);
        }

        .hero-right .stat-mini {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-sm);
            font-size: 0.85rem;
            color: var(--color-text-light);
        }

        .stat-mini .stat-num {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-accent-gold);
        }

        /* ========== 板块通用 ========== */
        .section-block {
            padding: 70px 0;
        }

        .section-block.bg-alt {
            background: var(--color-bg-section);
        }

        .section-block.bg-darker {
            background: var(--color-bg-darker);
        }

        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: #fff;
        }

        .section-header .section-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-muted);
            max-width: 600px;
            margin: 0 auto;
        }

        .section-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: 16px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }

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

        .metric-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 24px 20px;
            text-align: center;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

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

        .metric-card .metric-icon {
            font-size: 2rem;
            margin-bottom: 10px;
            color: var(--color-primary);
        }

        .metric-card .metric-value {
            font-size: 2.4rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
            font-family: var(--font-heading);
        }

        .metric-card .metric-label {
            font-size: 0.9rem;
            color: var(--color-text-muted);
        }

        .metric-card .metric-trend {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 10px;
            margin-top: 8px;
        }

        .metric-trend.up {
            background: rgba(46, 204, 113, 0.2);
            color: var(--color-success);
        }

        .metric-trend.stable {
            background: rgba(243, 156, 18, 0.2);
            color: var(--color-warning);
        }

        /* ========== 服务矩阵 ========== */
        .service-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .service-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-fast);
            text-align: center;
        }

        .service-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .service-card .service-icon-circle {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.4rem;
            background: rgba(230, 57, 70, 0.15);
            color: var(--color-primary);
        }

        .service-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: #fff;
        }

        .service-card p {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            margin: 0;
            line-height: 1.6;
        }

        .service-card .service-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            justify-content: center;
            margin-top: 14px;
        }

        .service-tag {
            font-size: 0.75rem;
            padding: 4px 10px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--color-text-light);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ========== 对比面板 ========== */
        .compare-panel {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 36px 28px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-md);
        }

        .compare-table-wrap {
            overflow-x: auto;
        }

        .compare-table {
            width: 100%;
            border-collapse: collapse;
            min-width: 600px;
        }

        .compare-table th,
        .compare-table td {
            padding: 14px 16px;
            text-align: center;
            border-bottom: 1px solid var(--color-border-light);
        }

        .compare-table th {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            background: rgba(255, 255, 255, 0.03);
            white-space: nowrap;
        }

        .compare-table td {
            font-size: 0.9rem;
            color: var(--color-text-light);
        }

        .compare-table .highlight-col {
            color: var(--color-primary);
            font-weight: 600;
        }

        .compare-table .check-icon {
            color: var(--color-success);
            font-size: 1.1rem;
        }

        .compare-table .dash-icon {
            color: var(--color-text-muted);
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            border: 1px solid var(--color-border);
            overflow: hidden;
            transition: all var(--transition-fast);
        }

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

        .faq-question {
            padding: 18px 22px;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-weight: 600;
            color: #fff;
            font-size: 1rem;
            user-select: none;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-question .faq-icon {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            transition: transform var(--transition-fast);
        }

        .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 0.3s ease;
            padding: 0 22px;
            color: var(--color-text-light);
            font-size: 0.9rem;
            line-height: 1.7;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 22px 18px;
        }

        /* ========== CTA 表单 ========== */
        .cta-section {
            padding: 70px 0;
            background: var(--color-bg-darker);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.1) 0%, transparent 70%);
            top: -100px;
            right: -100px;
            z-index: 0;
            pointer-events: none;
        }

        .cta-form-card {
            position: relative;
            z-index: 1;
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            border: 1px solid var(--color-border);
            box-shadow: var(--shadow-lg);
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
        }

        .cta-form-card h2 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }

        .cta-form-card .cta-form-subtitle {
            font-size: 0.95rem;
            color: var(--color-text-muted);
            margin-bottom: 24px;
        }

        .cta-form-row {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .cta-form-row input {
            flex: 1;
            min-width: 220px;
            padding: 13px 18px;
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            background: var(--color-bg-card-alt);
            color: #fff;
            font-size: 0.95rem;
            outline: none;
            transition: border-color var(--transition-fast);
        }

        .cta-form-row input:focus {
            border-color: var(--color-primary);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.1);
        }

        .cta-form-row button {
            padding: 13px 28px;
            border-radius: var(--radius-md);
            background: var(--color-primary);
            color: #fff;
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            white-space: nowrap;
        }

        .cta-form-row button:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 4px 18px rgba(230, 57, 70, 0.4);
            transform: translateY(-1px);
        }

        /* ========== 品牌介绍 ========== */
        .brand-intro-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-xl);
            padding: 36px 30px;
            border: 1px solid var(--color-border);
            text-align: center;
            max-width: 800px;
            margin: 0 auto;
        }

        .brand-intro-card h3 {
            font-size: 1.4rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }

        .brand-intro-card p {
            font-size: 0.95rem;
            color: var(--color-text-light);
            line-height: 1.8;
            margin: 0;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--color-bg-darker);
            padding: 50px 0 30px;
            border-top: 1px solid var(--color-border);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            font-size: 0.9rem;
            color: var(--color-text-muted);
            padding: 5px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--color-primary);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid var(--color-border);
            font-size: 0.82rem;
            color: var(--color-text-muted);
        }

        .footer-bottom p {
            margin: 3px 0;
        }

        .footer-bottom a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
        }

        .footer-bottom a:hover {
            color: var(--color-primary);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .hero-left {
                display: flex;
                flex-wrap: wrap;
                gap: 10px;
                justify-content: center;
            }

            .hero-left .value-item {
                flex: 1 1 140px;
                min-width: 130px;
                margin-bottom: 0;
                flex-direction: column;
                align-items: center;
                text-align: center;
            }

            .hero-left .value-item:hover {
                transform: translateY(-3px);
            }

            .hero-right {
                flex-direction: row;
                flex-wrap: wrap;
                justify-content: center;
            }

            .hero-right .cta-btn-lg {
                flex: 1 1 auto;
                min-width: 140px;
            }

            .hero-right .stat-mini {
                flex: 1 1 auto;
                min-width: 120px;
                justify-content: center;
            }

            .hero-section {
                padding: 120px 0 50px;
                min-height: auto;
            }

            .metrics-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .service-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 23, 0.97);
                backdrop-filter: blur(18px);
                -webkit-backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 8px 30px rgba(0, 0, 0, 0.6);
            }

            .nav-links.show {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 10px 16px;
                border-radius: 10px;
            }

            .mobile-toggle {
                display: block;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }

            .metrics-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }

            .metric-card {
                padding: 16px 12px;
            }

            .metric-card .metric-value {
                font-size: 1.8rem;
            }

            .service-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .compare-panel {
                padding: 20px 14px;
            }

            .cta-form-card {
                padding: 24px 16px;
            }

            .cta-form-row {
                flex-direction: column;
            }

            .cta-form-row input {
                min-width: auto;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }

            .hero-stage-card .stage-title {
                font-size: 1.2rem;
            }
        }

        @media (max-width: 520px) {
            .hero-section {
                padding: 110px 0 40px;
            }

            .metrics-grid {
                grid-template-columns: 1fr;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .hero-left .value-item {
                flex: 1 1 100%;
                min-width: 100%;
            }

            .hero-right {
                flex-direction: column;
            }

            .section-block {
                padding: 40px 0;
            }

            .section-header {
                margin-bottom: 30px;
            }

            .section-header h2 {
                font-size: 1.3rem;
            }

            .hero-stage-card {
                padding: 14px;
            }

            .stage-mockup {
                padding: 10px;
            }

            .mockup-row {
                font-size: 0.75rem;
            }
        }