/* roulang page: index */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10,15,30,0.12);
            --shadow-md: 0 8px 30px -6px rgba(10,15,30,0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10,15,30,0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--brand-strong); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: 1rem; }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        @media (max-width: 640px) {
            .container { padding-inline: 16px; }
        }
        /* 顶部信息条 */
        .topbar {
            background: #0a0f1e;
            color: rgba(232,236,244,0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .topbar a { color: rgba(232,236,244,0.85); }
        .topbar a:hover { color: #fff; }
        /* 主导航 */
        .main-header {
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10,15,30,0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--brand-strong); background: var(--surface-alt); }
        .nav-link.active { color: var(--brand-strong); background: #eefdf5; font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }
        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            min-height: 620px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10,15,30,0.92) 0%, rgba(10,15,30,0.72) 40%, rgba(10,15,30,0.9) 100%);
        }
        .hero-content { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(22,184,126,0.16);
            border: 1px solid rgba(22,184,200,0.35);
            color: #7ee8bc;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.6rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-block: 24px 18px;
            color: #fff;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: rgba(232,236,244,0.88);
            max-width: 680px;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover { background: #0eaa72; color: #0a0f1e; transform: translateY(-2px); box-shadow: 0 14px 34px -6px var(--brand-glow); }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.06); transform: translateY(-2px); }
        .btn-lg { padding: 16px 34px; font-size: 1.05rem; border-radius: 14px; }
        .btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 10px; }
        /* 卡片 */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            background: var(--brand-soft);
            color: #0a5a3e;
        }
        .badge-dark {
            background: rgba(10,15,30,0.85);
            color: #e8ecf4;
            border: 1px solid rgba(255,255,255,0.15);
        }
        /* Coupon */
        .coupon-card {
            border-radius: var(--radius-lg);
            background: linear-gradient(135deg, #0a0f1e 0%, #1a2f3f 55%, #0d2438 100%);
            border: 1px solid rgba(255,255,255,0.1);
            color: #fff;
            padding: 24px;
            position: relative;
            overflow: hidden;
            transition: all var(--transition);
        }
        .coupon-card:hover { transform: translateY(-4px); box-shadow: 0 20px 45px -8px rgba(10,15,30,0.5); }
        .coupon-card::after {
            content: '';
            position: absolute;
            right: -30px;
            top: -30px;
            width: 130px;
            height: 130px;
            border-radius: 50%;
            background: rgba(22,184,126,0.18);
            pointer-events: none;
        }
        .coupon-value {
            font-size: 2.2rem;
            font-weight: 800;
            color: #7ee8bc;
            line-height: 1.1;
        }
        /* FAQ */
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            background: var(--surface);
            padding: 20px 24px;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--brand); box-shadow: var(--shadow-sm); }
        .faq-question {
            font-weight: 600;
            font-size: 1.05rem;
            color: var(--ink-strong);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-answer { color: var(--ink-soft); font-size: 0.95rem; }
        /* Section */
        .section {
            padding-block: 72px;
        }
        .section-title {
            font-size: clamp(1.6rem, 3vw, 2.1rem);
            font-weight: 700;
            color: var(--ink-strong);
            letter-spacing: -0.01em;
        }
        .section-desc {
            font-size: 0.98rem;
            color: var(--ink-soft);
            max-width: 700px;
            margin-top: 12px;
        }
        .section-tag {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--brand-strong);
            margin-bottom: 12px;
        }
        /* 进度条 */
        .progress-track {
            background: #e2e8f0;
            border-radius: 9999px;
            height: 10px;
            overflow: hidden;
        }
        .progress-fill {
            background: linear-gradient(90deg, var(--brand), #3dd497);
            border-radius: 9999px;
            height: 100%;
            transition: width 800ms ease;
        }
        /* 表单 */
        .form-input {
            width: 100%;
            padding: 13px 18px;
            border: 1.5px solid var(--border-strong);
            border-radius: 12px;
            background: #fff;
            font-size: 0.95rem;
            transition: border-color var(--transition), box-shadow var(--transition);
        }
        .form-input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 4px rgba(22,184,126,0.12);
            outline: none;
        }
        /* 页脚 */
        .site-footer {
            background: #0a0f1e;
            color: rgba(232,236,244,0.7);
            padding-block: 56px 28px;
        }
        .site-footer a { color: rgba(232,236,244,0.7); }
        .site-footer a:hover { color: #fff; }
        /* 移动端导航 */
        .mobile-menu-toggle { display: none; }
        @media (max-width: 1024px) {
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: inline-flex; }
        }
        @media (max-width: 768px) {
            .section { padding-block: 48px; }
            .hero { min-height: 520px; }
        }
        @media (max-width: 520px) {
            .hero { min-height: 480px; }
            .hero-title { font-size: 1.9rem; }
        }
        /* 动画 */
        @keyframes fadeInUp {
            from { opacity: 0; transform: translateY(24px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .animate-fade-up { animation: fadeInUp 700ms ease forwards; }
        .delay-1 { animation-delay: 120ms; }
        .delay-2 { animation-delay: 240ms; }
        .delay-3 { animation-delay: 360ms; }

/* roulang page: category1 */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10,15,30,0.12);
            --shadow-md: 0 8px 30px -6px rgba(10,15,30,0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10,15,30,0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--brand-strong); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: 1rem; }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        .topbar {
            background: #0a0f1e;
            color: rgba(232,236,244,0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .topbar a { color: rgba(232,236,244,0.85); }
        .topbar a:hover { color: #fff; }
        .main-header {
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10,15,30,0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--brand-strong); background: var(--surface-alt); }
        .nav-link.active { color: var(--brand-strong); background: #eefdf5; font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }
        .hero-category {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero-category::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10,15,30,0.92) 0%, rgba(10,15,30,0.72) 40%, rgba(10,15,30,0.9) 100%);
        }
        .hero-content { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(22,184,126,0.16);
            border: 1px solid rgba(22,184,200,0.35);
            color: #7ee8bc;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-block: 24px 18px;
            color: #fff;
        }
        .hero-sub {
            font-size: 1.08rem;
            color: rgba(232,236,244,0.88);
            max-width: 680px;
            margin-bottom: 32px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover { background: #0eaa72; color: #0a0f1e; transform: translateY(-2px); box-shadow: 0 14px 34px -6px var(--brand-glow); }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.06); transform: translateY(-2px); }
        .btn-lg { padding: 16px 34px; font-size: 1.05rem; border-radius: 14px; }
        .btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 10px; }
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 5px;
            padding: 5px 12px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-brand { background: #eefdf5; color: var(--brand-strong); }
        .badge-dark { background: #0a0f1e; color: #7ee8bc; }
        .badge-warm { background: #fff7ed; color: #ea580c; }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.3rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ink-strong);
            line-height: 1.3;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--ink-soft);
            max-width: 620px;
        }
        .stat-num {
            font-size: clamp(1.6rem, 4vw, 2.6rem);
            font-weight: 800;
            color: var(--ink-strong);
            letter-spacing: -0.03em;
            line-height: 1.15;
        }
        .progress-ring circle {
            transition: stroke-dashoffset 600ms ease;
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1.5px solid var(--border);
            border-radius: 10px;
            background: #fff;
            color: var(--ink);
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .form-input:focus {
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22,184,126,0.15);
            outline: none;
        }
        .news-item {
            border-left: 3px solid var(--brand);
            padding-left: 18px;
            padding-block: 12px 8px;
            border-bottom: 1px solid var(--border);
        }
        .news-item:last-child { border-bottom: none; }
        .faq-item {
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            background: #fff;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--border-strong); }
        .faq-item summary {
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 600;
            color: var(--ink-strong);
            display: flex;
            justify-content: space-between;
            align-items: center;
            list-style: none;
        }
        .faq-item summary::-webkit-details-marker { display: none; }
        .faq-item[open] summary { border-bottom: 1px solid var(--border); background: var(--surface-alt); }
        .faq-content { padding: 16px 20px; color: var(--ink); font-size: 0.95rem; }
        .site-footer {
            background: #0a0f1e;
            color: rgba(232,236,244,0.7);
            padding: 58px 0 30px;
            margin-top: 60px;
        }
        .site-footer a { color: rgba(232,236,244,0.7); }
        .site-footer a:hover { color: var(--brand); }
        .back-to-top {
            position: fixed;
            bottom: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--brand);
            color: #0a0f1e;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: var(--shadow-md);
            font-size: 1.2rem;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition);
            z-index: 40;
        }
        .back-to-top.visible { opacity: 1; pointer-events: auto; }
        .back-to-top:hover { background: #0eaa72; transform: translateY(-3px); }
        .non-centered-title {
            text-align: left;
        }
        @media (max-width: 1024px) {
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: inline-flex; }
            .hero-category { min-height: 500px; }
        }
        @media (min-width: 1025px) {
            .mobile-menu-toggle { display: none; }
        }
        @media (max-width: 768px) {
            .container { padding-inline: 16px; }
            .hero-category { min-height: 440px; }
            .grid-gap-tight { gap: 12px; }
            .hero-title { font-size: 1.9rem; }
            .section-title { font-size: 1.5rem; }
            .stat-num { font-size: 1.5rem; }
        }
        @media (max-width: 520px) {
            .hero-category { min-height: 400px; }
            .hero-sub { font-size: 0.95rem; }
            .btn-lg { padding: 13px 24px; font-size: 0.95rem; }
            .section-title { font-size: 1.35rem; }
        }

/* roulang page: category3 */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10, 15, 30, 0.12);
            --shadow-md: 0 8px 30px -6px rgba(10, 15, 30, 0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10, 15, 30, 0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-strong);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-inline: 16px;
            }
        }

        /* 顶部信息条 */
        .topbar {
            background: #0a0f1e;
            color: rgba(232, 236, 244, 0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar a {
            color: rgba(232, 236, 244, 0.85);
        }
        .topbar a:hover {
            color: #fff;
        }

        /* 主导航 */
        .main-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10, 15, 30, 0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-strong);
            background: var(--surface-alt);
        }
        .nav-link.active {
            color: var(--brand-strong);
            background: #eefdf5;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover {
            background: #0eaa72;
            color: #0a0f1e;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px -6px var(--brand-glow);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: 14px;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: 10px;
        }
        .btn-grey {
            background: var(--surface-alt);
            color: var(--ink);
            border: 1px solid var(--border);
        }
        .btn-grey:hover {
            background: #e8edf5;
            color: var(--ink-strong);
            border-color: var(--border-strong);
            transform: translateY(-2px);
        }

        /* 卡片 */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }

        /* 徽章 */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
            background: var(--surface-alt);
            color: var(--ink-soft);
            border: 1px solid var(--border);
        }
        .badge-green {
            background: #eefdf5;
            color: var(--brand-strong);
            border-color: var(--brand-soft);
        }
        .badge-dark {
            background: rgba(10, 15, 30, 0.85);
            color: #7ee8bc;
            border-color: rgba(22, 184, 126, 0.35);
        }

        /* 指标卡片 */
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 20px 16px;
            text-align: center;
            transition: all var(--transition);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-sm);
            border-color: var(--brand-soft);
            transform: translateY(-2px);
        }
        .metric-number {
            font-size: 2rem;
            font-weight: 800;
            color: var(--ink-strong);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .metric-number span {
            color: var(--brand-strong);
            font-size: 1.1rem;
        }
        .metric-label {
            font-size: 0.82rem;
            color: var(--ink-soft);
            margin-top: 6px;
        }

        /* 信息列表 */
        .info-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 14px 16px;
            background: var(--surface);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .info-list li:hover {
            border-color: var(--brand-soft);
            background: #fafffd;
        }
        .info-list-icon {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #eefdf5;
            color: var(--brand-strong);
            border-radius: 10px;
            font-size: 1rem;
        }

        /* FAQ */
        .faq-item {
            border-bottom: 1px solid var(--border);
        }
        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 18px 4px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--ink-strong);
            background: none;
            border: none;
            cursor: pointer;
            text-align: left;
            transition: color var(--transition);
        }
        .faq-question:hover {
            color: var(--brand-strong);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            color: var(--ink-soft);
            font-size: 0.92rem;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 400px;
            padding: 0 4px 18px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            color: var(--brand);
        }
        .faq-icon {
            transition: transform 0.3s ease;
            flex-shrink: 0;
            margin-left: 12px;
        }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 14px 16px;
            border-radius: 10px;
            border: 1.5px solid var(--border);
            background: var(--surface);
            font-size: 0.92rem;
            transition: all var(--transition);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22, 184, 126, 0.12);
        }
        .form-select {
            width: 100%;
            padding: 14px 16px;
            border-radius: 10px;
            border: 1.5px solid var(--border);
            background: var(--surface);
            font-size: 0.92rem;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='12' viewBox='0 0 24 24' fill='none' stroke='%23587aa0' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpolyline points='6 9 12 15 18 9'%3E%3C/polyline%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
        }

        /* 页脚 */
        .site-footer {
            background: #0a0f1e;
            color: rgba(232, 236, 244, 0.7);
            padding: 60px 0 30px;
            font-size: 0.88rem;
        }
        .site-footer h4 {
            color: #fff;
            font-weight: 600;
            font-size: 0.88rem;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer ul a {
            color: rgba(232, 236, 244, 0.6);
            transition: color var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--brand);
        }

        /* 图片遮罩 */
        .img-overlay {
            position: relative;
            overflow: hidden;
            border-radius: var(--radius-md);
        }
        .img-overlay img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .img-overlay:hover img {
            transform: scale(1.04);
        }
        .img-overlay::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(10, 15, 30, 0.05) 0%, rgba(10, 15, 30, 0.55) 100%);
            pointer-events: none;
            border-radius: var(--radius-md);
        }

        /* 移动端导航 */
        .mobile-menu-toggle {
            display: none;
            background: var(--ink-strong);
            color: #fff;
            border: none;
            cursor: pointer;
            padding: 10px 14px;
            border-radius: 10px;
            transition: background var(--transition);
        }
        .mobile-menu-toggle:hover {
            background: #1a2536;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: inline-flex;
            }
        }
        @media (min-width: 769px) {
            #mobileMenu {
                display: none !important;
            }
        }

/* roulang page: category2 */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10, 15, 30, 0.12);
            --shadow-md: 0 8px 30px -6px rgba(10, 15, 30, 0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10, 15, 30, 0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-strong);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 1rem;
        }
        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        select:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }
        @media (max-width: 640px) {
            .container {
                padding-inline: 16px;
            }
        }
        .topbar {
            background: #0a0f1e;
            color: rgba(232, 236, 244, 0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar a {
            color: rgba(232, 236, 244, 0.85);
        }
        .topbar a:hover {
            color: #fff;
        }
        .main-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10, 15, 30, 0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-strong);
            background: var(--surface-alt);
        }
        .nav-link.active {
            color: var(--brand-strong);
            background: #eefdf5;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover {
            background: #0eaa72;
            color: #0a0f1e;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px -6px var(--brand-glow);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: 14px;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: 10px;
        }
        .btn-secondary {
            background: var(--surface-alt);
            color: var(--ink-strong);
            border: 1px solid var(--border);
        }
        .btn-secondary:hover {
            background: #e8ecf5;
            border-color: var(--border-strong);
            color: var(--ink-strong);
            transform: translateY(-2px);
        }
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 5px 14px;
            border-radius: 9999px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.01em;
        }
        .badge-brand {
            background: #eefdf5;
            color: var(--brand-strong);
            border: 1px solid #c8f0e0;
        }
        .badge-dark {
            background: rgba(10, 15, 30, 0.85);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }
        .section-title {
            font-size: clamp(1.6rem, 3.5vw, 2.2rem);
            font-weight: 800;
            color: var(--ink-strong);
            letter-spacing: -0.01em;
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1.05rem;
            color: var(--ink-soft);
            max-width: 680px;
            line-height: 1.75;
        }
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            min-height: 560px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(165deg, rgba(10, 15, 30, 0.93) 0%, rgba(10, 15, 30, 0.68) 45%, rgba(10, 15, 30, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(22, 184, 126, 0.16);
            border: 1px solid rgba(22, 184, 200, 0.35);
            color: #7ee8bc;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: clamp(2rem, 4.5vw, 3.2rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-block: 20px 16px;
            color: #fff;
        }
        .hero-sub {
            font-size: 1.08rem;
            color: rgba(232, 236, 244, 0.88);
            max-width: 640px;
            margin-bottom: 28px;
            line-height: 1.75;
        }
        .hero-avatar {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--brand), #0a6e4e);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            border: 3px solid rgba(255, 255, 255, 0.3);
            box-shadow: 0 8px 24px -4px rgba(0, 0, 0, 0.4);
        }
        .hero-metric-badge {
            display: flex;
            flex-direction: column;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-md);
            padding: 12px 20px;
            min-width: 90px;
            transition: all var(--transition);
        }
        .hero-metric-badge:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.3);
        }
        .hero-metric-value {
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-metric-label {
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.65);
            text-align: center;
        }
        .metric-card {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
        }
        .metric-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--border-strong);
        }
        .metric-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-strong);
            line-height: 1.2;
            letter-spacing: -0.01em;
        }
        .metric-label {
            font-size: 0.85rem;
            color: var(--ink-soft);
            margin-top: 6px;
            font-weight: 500;
        }
        .metric-trend {
            font-size: 0.75rem;
            color: var(--brand-strong);
            font-weight: 600;
            margin-top: 4px;
            display: inline-flex;
            align-items: center;
            gap: 3px;
        }
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 28px 24px;
            transition: all var(--transition);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 14px;
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-soft);
            transform: translateY(-4px);
        }
        .service-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            background: #eefdf5;
            color: var(--brand-strong);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
        }
        .service-card-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--ink-strong);
        }
        .service-card-desc {
            font-size: 0.92rem;
            color: var(--ink-soft);
            line-height: 1.7;
            flex-grow: 1;
        }
        .service-card-tag {
            font-size: 0.8rem;
            color: var(--brand-strong);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .compare-table-wrapper {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 0.92rem;
        }
        .compare-table th {
            background: var(--surface-alt);
            color: var(--ink-soft);
            font-weight: 600;
            padding: 16px 20px;
            text-align: left;
            border-bottom: 1px solid var(--border);
            font-size: 0.85rem;
        }
        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            color: var(--ink);
        }
        .compare-table tr:last-child td {
            border-bottom: none;
        }
        .compare-table tr:hover td {
            background: #fafbfe;
        }
        .compare-highlight {
            color: var(--brand-strong);
            font-weight: 700;
        }
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }
        .step-item {
            display: flex;
            gap: 16px;
            padding: 18px 0;
            border-bottom: 1px solid var(--border);
        }
        .step-item:last-child {
            border-bottom: none;
        }
        .step-number {
            flex-shrink: 0;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--brand);
            color: #0a0f1e;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.95rem;
        }
        .step-content h4 {
            font-weight: 700;
            color: var(--ink-strong);
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .step-content p {
            font-size: 0.9rem;
            color: var(--ink-soft);
            line-height: 1.65;
        }
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-strong);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            color: var(--ink-strong);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            list-style: none;
            font-size: 0.95rem;
            transition: color var(--transition);
        }
        .faq-item summary:hover {
            color: var(--brand-strong);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '+';
            font-size: 1.4rem;
            font-weight: 400;
            color: var(--ink-mute);
            transition: transform var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(45deg);
            color: var(--brand-strong);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.9rem;
            color: var(--ink-soft);
            line-height: 1.75;
        }
        .form-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 32px 28px;
            box-shadow: var(--shadow-md);
        }
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            font-size: 0.92rem;
            transition: border-color var(--transition), box-shadow var(--transition);
            background: #fff;
            color: var(--ink);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22, 184, 126, 0.15);
        }
        .form-label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink-strong);
            margin-bottom: 6px;
        }
        .site-footer {
            background: #0a0f1e;
            color: rgba(232, 236, 244, 0.7);
            padding: 56px 0 28px;
            font-size: 0.9rem;
        }
        .site-footer h4 {
            font-weight: 600;
            color: #fff;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .site-footer ul li {
            margin-bottom: 8px;
        }
        .site-footer a {
            color: rgba(232, 236, 244, 0.7);
            transition: color var(--transition);
        }
        .site-footer a:hover {
            color: #fff;
        }
        .desktop-nav {
            display: flex;
        }
        .mobile-menu-toggle {
            display: none;
        }
        @media (max-width: 1024px) {
            .desktop-nav {
                display: none !important;
            }
            .mobile-menu-toggle {
                display: inline-flex;
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 480px;
            }
            .hero-metric-badge {
                min-width: 70px;
                padding: 10px 14px;
            }
            .hero-metric-value {
                font-size: 1.2rem;
            }
            .section-title {
                font-size: 1.5rem;
            }
            .compare-table-wrapper {
                overflow-x: auto;
            }
            .compare-table {
                min-width: 600px;
            }
        }
        @media (max-width: 520px) {
            .hero {
                min-height: 420px;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-sub {
                font-size: 0.95rem;
            }
            .btn-lg {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
            .form-card {
                padding: 24px 18px;
            }
            .section-title {
                font-size: 1.3rem;
            }
        }
        .section-divider {
            height: 1px;
            background: var(--border);
            margin: 48px 0;
        }
        .deep-content {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            padding: 36px 32px;
            box-shadow: var(--shadow-sm);
        }
        .deep-content p {
            font-size: 0.95rem;
            color: var(--ink);
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .deep-content h3 {
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--ink-strong);
            margin: 24px 0 12px;
        }
        .deep-content ul {
            list-style: none;
            padding: 0;
            margin: 0 0 16px;
        }
        .deep-content ul li {
            padding-left: 20px;
            position: relative;
            margin-bottom: 8px;
            font-size: 0.92rem;
            color: var(--ink);
            line-height: 1.7;
        }
        .deep-content ul li::before {
            content: '';
            position: absolute;
            left: 0;
            top: 10px;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--brand);
        }
        .league-pill {
            display: inline-flex;
            align-items: center;
            padding: 8px 18px;
            border-radius: 9999px;
            background: var(--surface-alt);
            border: 1px solid var(--border);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--ink);
            transition: all var(--transition);
            cursor: default;
        }
        .league-pill:hover {
            background: #eefdf5;
            border-color: var(--brand-soft);
            color: var(--brand-strong);
        }

/* roulang page: category6 */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10, 15, 30, 0.12);
            --shadow-md: 0 8px 30px -6px rgba(10, 15, 30, 0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10, 15, 30, 0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--brand-strong);
        }

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

        button, input, select, textarea {
            font-family: inherit;
            font-size: 1rem;
        }

        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .container {
            max-width: 1200px;
            margin-inline: auto;
            padding-inline: 24px;
        }

        .topbar {
            background: #0a0f1e;
            color: rgba(232, 236, 244, 0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .topbar a {
            color: rgba(232, 236, 244, 0.85);
        }
        .topbar a:hover {
            color: #fff;
        }

        .main-header {
            background: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10, 15, 30, 0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }

        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--brand-strong);
            background: var(--surface-alt);
        }
        .nav-link.active {
            color: var(--brand-strong);
            background: #eefdf5;
            font-weight: 600;
        }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover {
            background: #0eaa72;
            color: #0a0f1e;
            transform: translateY(-2px);
            box-shadow: 0 14px 34px -6px var(--brand-glow);
        }
        .btn-outline {
            background: transparent;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            color: #fff;
        }
        .btn-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-lg {
            padding: 16px 34px;
            font-size: 1.05rem;
            border-radius: 14px;
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 0.85rem;
            border-radius: 10px;
        }

        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }

        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 0.78rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-brand {
            background: rgba(22, 184, 126, 0.12);
            color: var(--brand-strong);
            border: 1px solid rgba(22, 184, 126, 0.28);
        }
        .badge-gold {
            background: rgba(245, 158, 11, 0.12);
            color: #b45309;
            border: 1px solid rgba(245, 158, 11, 0.28);
        }
        .badge-blue {
            background: rgba(59, 130, 246, 0.1);
            color: #1d4ed8;
            border: 1px solid rgba(59, 130, 246, 0.25);
        }

        .section-title {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--ink-strong);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--ink-soft);
            max-width: 640px;
            margin-bottom: 28px;
        }

        .stat-box {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
        }
        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--brand-strong);
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--ink-soft);
            margin-top: 6px;
        }

        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-soft);
            transform: translateY(-4px);
        }

        .compare-table th {
            background: var(--ink-strong);
            color: #fff;
            font-weight: 600;
            font-size: 0.9rem;
            padding: 14px 16px;
            text-align: left;
        }
        .compare-table td {
            padding: 14px 16px;
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border);
        }
        .compare-table tr:hover td {
            background: var(--surface-alt);
        }

        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            margin-bottom: 12px;
            overflow: hidden;
        }
        .faq-question {
            width: 100%;
            text-align: left;
            padding: 18px 22px;
            font-weight: 600;
            color: var(--ink-strong);
            background: transparent;
            border: none;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            transition: all var(--transition);
            font-size: 0.95rem;
        }
        .faq-question:hover {
            color: var(--brand-strong);
            background: var(--surface-alt);
        }
        .faq-answer {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--ink-soft);
            line-height: 1.75;
        }

        .form-input {
            width: 100%;
            padding: 13px 16px;
            border-radius: 10px;
            border: 1.5px solid var(--border);
            background: var(--surface);
            font-size: 0.92rem;
            color: var(--ink);
            transition: all var(--transition);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22, 184, 126, 0.15);
        }

        .site-footer {
            background: var(--ink-strong);
            color: rgba(232, 236, 244, 0.75);
            padding: 56px 0 32px;
            margin-top: 64px;
        }
        .site-footer ul a {
            color: rgba(232, 236, 244, 0.75);
            transition: color var(--transition);
        }
        .site-footer ul a:hover {
            color: var(--brand);
        }

        .bet-ticket {
            background: linear-gradient(145deg, #0d1b2a 0%, #1b3a2a 100%);
            border-radius: var(--radius-xl);
            padding: 32px;
            border: 2px dashed rgba(22, 184, 126, 0.4);
            position: relative;
            overflow: hidden;
        }
        .bet-ticket::before {
            content: '';
            position: absolute;
            top: -50px;
            right: -50px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(22, 184, 126, 0.08);
        }
        .bet-ticket::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -40px;
            width: 180px;
            height: 180px;
            border-radius: 50%;
            background: rgba(22, 184, 126, 0.06);
        }

        @media (max-width: 1024px) {
            .container {
                padding-inline: 20px;
            }
        }

        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: flex !important;
            }
            .container {
                padding-inline: 16px;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .bet-ticket {
                padding: 20px;
            }
        }

        @media (min-width: 769px) {
            .mobile-menu-toggle {
                display: none !important;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-inline: 12px;
            }
            .btn-lg {
                padding: 14px 22px;
                font-size: 0.95rem;
            }
        }

/* roulang page: category5 */
:root {
      --brand: #16b87e;
      --brand-strong: #0a9466;
      --brand-soft: #b5f3d7;
      --brand-glow: rgba(22, 184, 126, 0.45);
      --ink-strong: #0a0f1e;
      --ink: #2d3c4f;
      --ink-soft: #587aa0;
      --ink-mute: #94a3b8;
      --surface: #ffffff;
      --surface-alt: #f4f6fb;
      --surface-deep: #0a0f1e;
      --border: #e2e8f0;
      --border-strong: #d0d9e8;
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 20px;
      --radius-xl: 28px;
      --shadow-sm: 0 2px 10px -3px rgba(10, 15, 30, 0.12);
      --shadow-md: 0 8px 30px -6px rgba(10, 15, 30, 0.22);
      --shadow-lg: 0 18px 50px -10px rgba(10, 15, 30, 0.32);
      --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
    }

    html {
      scroll-behavior: smooth;
    }

    body {
      font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
      color: var(--ink);
      background: #f8fafc;
      line-height: 1.72;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    a {
      color: inherit;
      text-decoration: none;
      transition: color var(--transition);
    }
    a:hover {
      color: var(--brand-strong);
    }

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

    button, input, select, textarea {
      font-family: inherit;
      font-size: 1rem;
    }

    button:focus-visible,
    a:focus-visible,
    input:focus-visible,
    select:focus-visible,
    textarea:focus-visible {
      outline: 2px solid var(--brand);
      outline-offset: 2px;
      border-radius: 4px;
    }

    .container {
      max-width: 1200px;
      margin-inline: auto;
      padding-inline: 24px;
    }
    .container {
      padding-inline: 16px;
    }

    /* 顶部信息条 */
    .topbar {
      background: #0a0f1e;
      color: rgba(232, 236, 244, 0.85);
      font-size: 0.8rem;
      padding-block: 7px;
      border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    }
    .topbar a {
      color: rgba(232, 236, 244, 0.85);
    }
    .topbar a:hover {
      color: #fff;
    }

    /* 主导航 */
    .main-header {
      background: rgba(255, 255, 255, 0.96);
      backdrop-filter: blur(14px);
      box-shadow: 0 4px 24px -6px rgba(10, 15, 30, 0.15);
      position: sticky;
      top: 0;
      z-index: 50;
      border-bottom: 1px solid var(--border);
    }

    .nav-link {
      position: relative;
      font-size: 0.92rem;
      font-weight: 500;
      color: var(--ink);
      padding: 8px 12px;
      border-radius: 8px;
      transition: all var(--transition);
      white-space: nowrap;
    }
    .nav-link:hover {
      color: var(--brand-strong);
      background: var(--surface-alt);
    }
    .nav-link.active {
      color: var(--brand-strong);
      background: #eefdf5;
      font-weight: 600;
    }
    .nav-link.active::after {
      content: '';
      position: absolute;
      left: 12px;
      right: 12px;
      bottom: -1px;
      height: 3px;
      background: var(--brand);
      border-radius: 4px 4px 0 0;
    }

    /* Hero */
    .hero {
      position: relative;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      color: #fff;
      min-height: 630px;
      display: flex;
      align-items: center;
      overflow: hidden;
    }
    .hero::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(160deg, rgba(10, 15, 30, 0.92) 0%, rgba(10, 15, 30, 0.72) 40%, rgba(10, 15, 30, 0.9) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
    }
    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(22, 184, 126, 0.16);
      border: 1px solid rgba(22, 184, 200, 0.35);
      color: #7ee8bc;
      padding: 8px 18px;
      border-radius: 9999px;
      font-size: 0.85rem;
      font-weight: 500;
      letter-spacing: 0.02em;
    }
    .hero-title {
      font-size: clamp(2.2rem, 5vw, 3.6rem);
      font-weight: 800;
      line-height: 1.18;
      letter-spacing: -0.02em;
      margin-block: 24px 18px;
      color: #fff;
    }
    .hero-sub {
      font-size: 1.1rem;
      color: rgba(232, 236, 244, 0.88);
      max-width: 680px;
      margin-bottom: 32px;
    }

    /* 按钮 */
    .btn {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      padding: 13px 28px;
      border-radius: 12px;
      font-weight: 600;
      font-size: 0.95rem;
      transition: all var(--transition);
      cursor: pointer;
      border: none;
      text-align: center;
    }
    .btn-primary {
      background: var(--brand);
      color: #0a0f1e;
      box-shadow: 0 8px 24px -6px var(--brand-glow);
    }
    .btn-primary:hover {
      background: #0eaa72;
      color: #0a0f1e;
      transform: translateY(-2px);
      box-shadow: 0 14px 34px -6px var(--brand-glow);
    }
    .btn-outline {
      background: transparent;
      border: 1.5px solid rgba(255, 255, 255, 0.3);
      color: #fff;
    }
    .btn-outline:hover {
      border-color: #fff;
      color: #fff;
      background: rgba(255, 255, 255, 0.06);
      transform: translateY(-2px);
    }
    .btn-lg {
      padding: 16px 34px;
      font-size: 1.05rem;
      border-radius: 14px;
    }
    .btn-sm {
      padding: 9px 18px;
      font-size: 0.85rem;
      border-radius: 10px;
    }
    .btn-dark {
      background: var(--surface-deep);
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }
    .btn-dark:hover {
      background: #1a2536;
      color: #fff;
      transform: translateY(-2px);
    }

    /* 卡片 */
    .card {
      background: var(--surface);
      border-radius: var(--radius-md);
      box-shadow: var(--shadow-sm);
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .card:hover {
      box-shadow: var(--shadow-md);
      border-color: var(--border-strong);
      transform: translateY(-3px);
    }
    .card-flat {
      background: var(--surface-alt);
      border-radius: var(--radius-md);
      border: 1px solid var(--border);
      transition: all var(--transition);
    }
    .card-flat:hover {
      border-color: var(--border-strong);
      box-shadow: var(--shadow-sm);
    }

    .badge {
      display: inline-flex;
      align-items: center;
      padding: 4px 12px;
      border-radius: 9999px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.02em;
    }
    .badge-green {
      background: #eefdf5;
      color: #0a9466;
      border: 1px solid #b5f3d7;
    }
    .badge-dark {
      background: rgba(14, 17, 30, 0.75);
      color: #cbd5e1;
      border: 1px solid rgba(255, 255, 255, 0.12);
    }

    .icon-circle {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 44px;
      height: 44px;
      border-radius: 14px;
      background: #eefdf5;
      color: #0a9466;
      flex-shrink: 0;
    }
    .icon-circle-dark {
      background: rgba(22, 184, 126, 0.12);
      color: #7ee8bc;
      border: 1px solid rgba(22, 184, 126, 0.25);
    }

    .section {
      padding-block: 76px;
    }
    .section-sm {
      padding-block: 52px;
    }

    .section-title {
      font-size: clamp(1.6rem, 3vw, 2.2rem);
      font-weight: 700;
      letter-spacing: -0.01em;
      color: var(--ink-strong);
      margin-bottom: 12px;
    }
    .section-lead {
      color: var(--ink-soft);
      font-size: 1.05rem;
      max-width: 720px;
    }

    .divider {
      height: 1px;
      background: linear-gradient(90deg, transparent, var(--border-strong), transparent);
      margin-block: 32px;
    }

    /* FAQ */
    .faq-item {
      background: var(--surface);
      border: 1px solid var(--border);
      border-radius: var(--radius-md);
      padding: 20px 24px;
      transition: all var(--transition);
    }
    .faq-item:hover {
      border-color: var(--brand-soft);
      box-shadow: var(--shadow-sm);
    }
    .faq-question {
      font-weight: 600;
      color: var(--ink-strong);
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 16px;
    }
    .faq-answer {
      color: var(--ink-soft);
      margin-top: 10px;
      font-size: 0.95rem;
    }
    details[open] .faq-icon {
      transform: rotate(45deg);
    }
    .faq-icon {
      transition: transform var(--transition);
      font-size: 1.5rem;
      color: var(--brand-strong);
      line-height: 1;
    }

    /* CTA */
    .cta-panel {
      background: radial-gradient(circle at 20% 20%, rgba(22, 184, 126, 0.18), transparent 35%),
                  radial-gradient(circle at 80% 80%, rgba(10, 15, 30, 0.8), transparent 50%),
                  #0a0f1e;
      border-radius: var(--radius-xl);
      padding: 48px 32px;
      color: #fff;
      border: 1px solid rgba(255, 255, 255, 0.08);
      box-shadow: var(--shadow-lg);
    }
    .form-input {
      width: 100%;
      padding: 13px 18px;
      border-radius: 12px;
      background: rgba(255, 255, 255, 0.08);
      border: 1px solid rgba(255, 255, 255, 0.16);
      color: #fff;
      transition: all var(--transition);
    }
    .form-input::placeholder {
      color: rgba(232, 236, 244, 0.5);
    }
    .form-input:focus {
      outline: none;
      border-color: var(--brand);
      background: rgba(255, 255, 255, 0.12);
      box-shadow: 0 0 0 4px rgba(22, 184, 126, 0.15);
    }

    /* 页脚 */
    .site-footer {
      background: #080b16;
      color: rgba(232, 236, 244, 0.75);
      padding: 64px 0 28px;
      font-size: 0.9rem;
    }
    .site-footer h4 {
      letter-spacing: 0.02em;
    }
    .site-footer a {
      color: rgba(232, 236, 244, 0.6);
      transition: color var(--transition);
    }
    .site-footer a:hover {
      color: #fff;
    }

    /* 响应式微调 */
    @media (max-width: 1023px) {
      .desktop-nav {
        display: none;
      }
    }
    @media (min-width: 1024px) {
      .mobile-menu-toggle {
        display: none;
      }
      #mobileMenu {
        display: none !important;
      }
    }
    @media (max-width: 768px) {
      .section {
        padding-block: 56px;
      }
      .section-sm {
        padding-block: 36px;
      }
      .hero {
        min-height: 560px;
      }
    }
    @media (max-width: 520px) {
      .container {
        padding-inline: 14px;
      }
      .hero {
        min-height: 560px;
      }
      .btn-lg {
        padding: 14px 24px;
        font-size: 0.95rem;
      }
      .faq-item {
        padding: 18px 16px;
      }
    }

/* roulang page: category4 */
:root {
  --brand: #16b87e;
  --brand-strong: #0a9466;
  --brand-soft: #b5f3d7;
  --brand-glow: rgba(22, 184, 126, 0.45);
  --ink-strong: #0a0f1e;
  --ink: #2d3c4f;
  --ink-soft: #587aa0;
  --ink-mute: #94a3b8;
  --surface: #ffffff;
  --surface-alt: #f4f6fb;
  --border: #e2e8f0;
  --border-strong: #d0d9e8;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 10px -3px rgba(10,15,30,0.12);
  --shadow-md: 0 8px 30px -6px rgba(10,15,30,0.22);
  --shadow-lg: 0 18px 50px -10px rgba(10,15,30,0.32);
  --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
}
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
  color: var(--ink);
  background: #f8fafc;
  line-height: 1.72;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  margin: 0;
  padding: 0;
}
*, *::before, *::after { box-sizing: border-box; }
a { color: inherit; text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--brand-strong); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; font-size: 1rem; }
button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  border-radius: 4px;
}
.container {
  max-width: 1200px;
  margin-inline: auto;
  padding-inline: 24px;
}
@media (max-width: 640px) {
  .container { padding-inline: 16px; }
}
/* 顶部信息条 */
.topbar {
  background: #0a0f1e;
  color: rgba(232,236,244,0.85);
  font-size: 0.8rem;
  padding-block: 7px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.topbar a { color: rgba(232,236,244,0.85); }
.topbar a:hover { color: #ffffff; }
/* 主导航 */
.main-header {
  background: rgba(255,255,255,0.97);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  box-shadow: 0 4px 24px -6px rgba(10,15,30,0.15);
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid var(--border);
}
.nav-link {
  position: relative;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--ink);
  padding: 8px 12px;
  border-radius: 8px;
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover { color: var(--brand-strong); background: var(--surface-alt); }
.nav-link.active { color: var(--brand-strong); background: #eefdf5; font-weight: 600; }
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 12px;
  right: 12px;
  bottom: -1px;
  height: 3px;
  background: var(--brand);
  border-radius: 4px 4px 0 0;
}
@media (min-width: 769px) {
  .mobile-menu-toggle { display: none; }
  .desktop-nav { display: flex; }
}
@media (max-width: 768px) {
  .desktop-nav { display: none; }
  .mobile-menu-toggle { display: inline-flex; }
}
/* Hero — 分类页专属 */
.hero-league {
  position: relative;
  background: linear-gradient(155deg, #0a0f1e 0%, #132a3d 50%, #0a0f1e 100%);
  color: #fff;
  min-height: auto;
  padding-block: 64px 80px;
  overflow: hidden;
}
.hero-league::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.22;
}
.hero-league .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(22,184,126,0.16);
  border: 1px solid rgba(22,184,220,0.35);
  color: #7ee8bc;
  padding: 8px 18px;
  border-radius: 9999px;
  font-size: 0.85rem;
  font-weight: 500;
  letter-spacing: 0.02em;
}
.hero-title {
  font-size: clamp(2rem, 4.6vw, 3.3rem);
  font-weight: 800;
  line-height: 1.18;
  letter-spacing: -0.015em;
  margin-block: 20px 16px;
  color: #fff;
}
.hero-sub {
  font-size: 1.05rem;
  color: rgba(232,236,244,0.86);
  max-width: 620px;
  margin-bottom: 30px;
}
/* 直播预告卡片 */
.live-card {
  background: rgba(255,255,255,0.06);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius-lg);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  overflow: hidden;
  box-shadow: 0 20px 60px -12px rgba(0,0,0,0.55);
}
.live-card .live-banner {
  position: relative;
  height: 180px;
  overflow: hidden;
}
.live-card .live-banner img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}
.live-card .live-banner::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(10,15,30,0.1) 30%, rgba(10,15,30,0.65) 100%);
}
.live-card .live-banner .live-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
  background: #ef4444;
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 9999px;
  letter-spacing: 0.04em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.live-card .live-body {
  padding: 20px 24px 24px;
}
.countdown-row {
  display: flex;
  gap: 14px;
  margin-block: 18px 20px;
  flex-wrap: wrap;
}
.countdown-item {
  flex: 1;
  min-width: 56px;
  text-align: center;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.12);
  border-radius: 10px;
  padding: 10px 6px;
}
.countdown-item .count-num {
  font-size: 1.7rem;
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
}
.countdown-item .count-label {
  font-size: 0.7rem;
  color: rgba(232,236,244,0.6);
  letter-spacing: 0.06em;
  margin-top: 4px;
}
.subscribe-inline {
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}
.subscribe-inline input {
  flex: 1;
  min-width: 160px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 10px;
  padding: 11px 16px;
  color: #fff;
  font-size: 0.9rem;
}
.subscribe-inline input::placeholder { color: rgba(232,236,244,0.45); }
.subscribe-inline input:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  background: rgba(255,255,255,0.12);
}
/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 13px 28px;
  border-radius: 12px;
  font-weight: 600;
  font-size: 0.95rem;
  transition: all var(--transition);
  cursor: pointer;
  border: none;
  text-align: center;
  line-height: 1.4;
}
.btn-primary {
  background: var(--brand);
  color: #0a0f1e;
  box-shadow: 0 8px 24px -6px var(--brand-glow);
}
.btn-primary:hover { background: #0eaa72; color: #0a0f1e; transform: translateY(-2px); box-shadow: 0 14px 34px -6px var(--brand-glow); }
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,0.3);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.06); transform: translateY(-2px); }
.btn-dark {
  background: var(--ink-strong);
  color: #fff;
  border: 1px solid var(--ink-strong);
}
.btn-dark:hover { background: #1a2538; color: #fff; transform: translateY(-2px); }
.btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 10px; }
.btn-lg { padding: 15px 32px; font-size: 1.02rem; border-radius: 14px; }
/* 卡片 */
.card {
  background: var(--surface);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border);
  transition: all var(--transition);
}
.card:hover {
  box-shadow: var(--shadow-md);
  border-color: var(--border-strong);
  transform: translateY(-3px);
}
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 9999px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
  background: #eefdf5;
  color: var(--brand-strong);
  border: 1px solid #b5f3d7;
}
.badge-light {
  background: rgba(22,184,126,0.1);
  color: #0a9466;
  border: 1px solid rgba(22,184,126,0.25);
}
.badge-warm {
  background: #fff6e5;
  color: #b45309;
  border: 1px solid #fcd34d;
}
/* 数据看板 */
.stat-block {
  background: linear-gradient(135deg, #0a0f1e 0%, #1a2a3d 100%);
  color: #fff;
  border-radius: var(--radius-lg);
  padding: 28px 32px;
  transition: all var(--transition);
  border: 1px solid rgba(255,255,255,0.08);
}
.stat-block:hover {
  box-shadow: var(--shadow-lg);
  transform: translateY(-3px);
  border-color: rgba(22,184,126,0.35);
}
.stat-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--brand);
  line-height: 1.1;
  letter-spacing: -0.01em;
}
.stat-label {
  font-size: 0.85rem;
  color: rgba(232,236,244,0.65);
  margin-top: 6px;
}
/* 积分榜列表 */
.ranking-row {
  display: grid;
  grid-template-columns: 44px 1fr 40px 40px 40px 40px 52px;
  align-items: center;
  gap: 8px;
  padding: 12px 18px;
  border-bottom: 1px solid var(--border);
  transition: background var(--transition);
  font-size: 0.88rem;
}
.ranking-row:hover { background: #f0fdf6; }
.ranking-row.header-row {
  background: var(--surface-alt);
  font-weight: 600;
  color: var(--ink-soft);
  font-size: 0.78rem;
  letter-spacing: 0.04em;
  border-bottom: 2px solid var(--border-strong);
}
.rank-num {
  font-weight: 700;
  color: var(--ink-soft);
  font-size: 0.9rem;
}
.rank-num.top { color: var(--brand-strong); font-weight: 800; }
.team-name { font-weight: 600; color: var(--ink-strong); display: flex; align-items: center; gap: 8px; }
.team-dot {
  width: 8px;
  height: 8px;
  border-radius: 50%;
  flex-shrink: 0;
}
.stat-cell { text-align: center; color: var(--ink); font-variant-numeric: tabular-nums; }
.stat-cell strong { color: var(--ink-strong); font-weight: 700; }
/* 服务矩阵 */
.service-tile {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 26px 24px;
  transition: all var(--transition);
  position: relative;
  overflow: hidden;
  min-height: 160px;
}
.service-tile::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--brand), #16c9a0);
  opacity: 0;
  transition: opacity var(--transition);
}
.service-tile:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
  border-color: #b5f3d7;
}
.service-tile:hover::before { opacity: 1; }
.service-icon {
  width: 44px;
  height: 44px;
  border-radius: 12px;
  background: #eefdf5;
  color: var(--brand-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.3rem;
  margin-bottom: 14px;
}
/* 对比区 */
.compare-card {
  background: var(--surface);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border);
  padding: 28px;
  position: relative;
}
.compare-card.highlight {
  background: linear-gradient(145deg, #f0fdf6, #ffffff);
  border-color: #b5f3d7;
  box-shadow: var(--shadow-md);
}
.compare-badge {
  position: absolute;
  top: -12px;
  right: 24px;
  background: var(--brand);
  color: #0a0f1e;
  font-weight: 700;
  font-size: 0.75rem;
  padding: 5px 16px;
  border-radius: 9999px;
  letter-spacing: 0.06em;
}
/* FAQ */
.faq-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-md);
  background: var(--surface);
  margin-bottom: 12px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item:hover { border-color: #b5f3d7; box-shadow: var(--shadow-sm); }
.faq-question {
  width: 100%;
  background: none;
  border: none;
  text-align: left;
  padding: 18px 22px;
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--ink-strong);
  cursor: pointer;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  line-height: 1.5;
}
.faq-question:hover { color: var(--brand-strong); }
.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 6px;
  background: #eefdf5;
  color: var(--brand-strong);
  display: flex;
  align-items: center;
  justify-content: center;
  transition: transform var(--transition);
  font-size: 0.8rem;
}
.faq-item.open .faq-icon { transform: rotate(180deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 280ms cubic-bezier(0.4, 0, 0.2, 1), padding 280ms;
  padding-inline: 22px;
  color: var(--ink-soft);
  font-size: 0.9rem;
  line-height: 1.8;
}
.faq-item.open .faq-answer {
  max-height: 500px;
  padding-block: 0 20px;
}
/* CTA 表单区 */
.cta-zone {
  background: linear-gradient(140deg, #0a0f1e 0%, #16283d 55%, #0a0f1e 100%);
  color: #fff;
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.cta-zone::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-3.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cta-zone .container { position: relative; z-index: 2; }
.cta-form-row {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}
.cta-form-row input {
  flex: 1;
  min-width: 200px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.18);
  border-radius: 12px;
  padding: 14px 20px;
  color: #fff;
  font-size: 0.95rem;
}
.cta-form-row input::placeholder { color: rgba(232,236,244,0.5); }
.cta-form-row input:focus {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
  background: rgba(255,255,255,0.12);
}
/* 页脚 */
.site-footer {
  background: #0a0f1e;
  color: rgba(232,236,244,0.65);
  padding-block: 48px 24px;
  margin-top: 0;
  border-top: 1px solid rgba(255,255,255,0.08);
}
.site-footer a { color: rgba(232,236,244,0.65); }
.site-footer a:hover { color: #fff; }
.site-footer .footer-title {
  color: #fff;
  font-weight: 600;
  font-size: 0.88rem;
  letter-spacing: 0.04em;
  margin-bottom: 14px;
}
.site-footer ul { list-style: none; padding: 0; margin: 0; }
.site-footer ul li { margin-bottom: 8px; }
.site-footer ul li a { font-size: 0.85rem; }
/* 通用 section */
.section-standard { padding-block: 64px; }
.section-gap { padding-block: 48px; }
.section-heading {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  letter-spacing: -0.01em;
  color: var(--ink-strong);
  line-height: 1.25;
  margin-bottom: 10px;
}
.section-subhead {
  color: var(--ink-soft);
  font-size: 0.95rem;
  max-width: 640px;
  line-height: 1.75;
}
/* 响应式断点 */
@media (max-width: 1024px) {
  .ranking-row { grid-template-columns: 40px 1fr 36px 36px 36px 36px 48px; font-size: 0.82rem; padding: 10px 12px; }
  .stat-num { font-size: 1.9rem; }
}
@media (max-width: 768px) {
  .section-standard { padding-block: 40px; }
  .section-gap { padding-block: 30px; }
  .hero-league { padding-block: 40px 60px; }
  .countdown-item .count-num { font-size: 1.35rem; }
  .stat-block { padding: 20px; }
  .stat-num { font-size: 1.6rem; }
  .cta-zone { padding: 32px 20px; }
  .ranking-row { grid-template-columns: 34px 1fr 30px 30px 30px 30px 42px; font-size: 0.78rem; padding: 9px 8px; gap: 4px; }
  .ranking-row .stat-cell:nth-child(4),
  .ranking-row .stat-cell:nth-child(5) { display: none; }
}
@media (max-width: 520px) {
  .hero-title { font-size: 1.8rem; }
  .hero-sub { font-size: 0.95rem; }
  .countdown-row { gap: 8px; }
  .countdown-item { padding: 8px 4px; }
  .countdown-item .count-num { font-size: 1.2rem; }
  .btn-lg { padding: 13px 24px; font-size: 0.95rem; }
  .live-card .live-banner { height: 140px; }
  .ranking-row { font-size: 0.72rem; grid-template-columns: 30px 1fr 28px 28px 28px 28px 36px; }
}

/* roulang page: category7 */
:root {
            --brand: #16b87e;
            --brand-strong: #0a9466;
            --brand-soft: #b5f3d7;
            --brand-glow: rgba(22, 184, 126, 0.45);
            --ink-strong: #0a0f1e;
            --ink: #2d3c4f;
            --ink-soft: #587aa0;
            --ink-mute: #94a3b8;
            --surface: #ffffff;
            --surface-alt: #f4f6fb;
            --border: #e2e8f0;
            --border-strong: #d0d9e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 10px -3px rgba(10,15,30,0.12);
            --shadow-md: 0 8px 30px -6px rgba(10,15,30,0.22);
            --shadow-lg: 0 18px 50px -10px rgba(10,15,30,0.32);
            --transition: 180ms cubic-bezier(0.4, 0, 0.2, 1);
        }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
            color: var(--ink);
            background: #f8fafc;
            line-height: 1.72;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a { color: inherit; text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--brand-strong); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; font-size: 1rem; }
        button:focus-visible, a:focus-visible, input:focus-visible, select:focus-visible, textarea:focus-visible {
            outline: 2px solid var(--brand);
            outline-offset: 2px;
            border-radius: 4px;
        }
        .container { max-width: 1200px; margin-inline: auto; padding-inline: 24px; }
        @media (max-width: 768px) { .container { padding-inline: 16px; } }

        /* 顶部信息条 */
        .topbar {
            background: #0a0f1e;
            color: rgba(232,236,244,0.85);
            font-size: 0.8rem;
            padding-block: 7px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .topbar a { color: rgba(232,236,244,0.85); }
        .topbar a:hover { color: #fff; }

        /* 主导航 */
        .main-header {
            background: rgba(255,255,255,0.96);
            backdrop-filter: blur(14px);
            box-shadow: 0 4px 24px -6px rgba(10,15,30,0.15);
            position: sticky;
            top: 0;
            z-index: 50;
            border-bottom: 1px solid var(--border);
        }
        .nav-link {
            position: relative;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--ink);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition);
            white-space: nowrap;
        }
        .nav-link:hover { color: var(--brand-strong); background: var(--surface-alt); }
        .nav-link.active { color: var(--brand-strong); background: #eefdf5; font-weight: 600; }
        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 12px;
            right: 12px;
            bottom: -1px;
            height: 3px;
            background: var(--brand);
            border-radius: 4px 4px 0 0;
        }
        @media (max-width: 1024px) {
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: inline-flex !important; }
        }
        @media (min-width: 1025px) {
            .mobile-menu-toggle { display: none !important; }
            #mobileMenu { display: none !important; }
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            color: #fff;
            min-height: 600px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(10,15,30,0.94) 0%, rgba(10,15,30,0.75) 45%, rgba(10,15,30,0.9) 100%);
        }
        .hero-content { position: relative; z-index: 2; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(22,184,126,0.16);
            border: 1px solid rgba(22,184,126,0.35);
            color: #7ee8bc;
            padding: 8px 18px;
            border-radius: 9999px;
            font-size: 0.85rem;
            font-weight: 500;
            letter-spacing: 0.02em;
        }
        .hero-title {
            font-size: clamp(2.2rem, 5vw, 3.4rem);
            font-weight: 800;
            line-height: 1.18;
            letter-spacing: -0.02em;
            margin-block: 24px 18px;
            color: #fff;
        }
        .hero-sub {
            font-size: 1.1rem;
            color: rgba(232,236,244,0.88);
            max-width: 680px;
            margin-bottom: 32px;
        }

        /* 按钮 */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 13px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all var(--transition);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-primary {
            background: var(--brand);
            color: #0a0f1e;
            box-shadow: 0 8px 24px -6px var(--brand-glow);
        }
        .btn-primary:hover { background: #0eaa72; color: #0a0f1e; transform: translateY(-2px); box-shadow: 0 14px 34px -6px var(--brand-glow); }
        .btn-outline-white {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.3);
            color: #fff;
        }
        .btn-outline-white:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,0.06); transform: translateY(-2px); }
        .btn-outline-dark {
            background: transparent;
            border: 1.5px solid var(--border-strong);
            color: var(--ink);
        }
        .btn-outline-dark:hover { border-color: var(--brand); color: var(--brand-strong); background: #f0fdf7; transform: translateY(-2px); }
        .btn-lg { padding: 16px 34px; font-size: 1.05rem; border-radius: 14px; }
        .btn-sm { padding: 9px 18px; font-size: 0.85rem; border-radius: 10px; }

        /* 卡片 */
        .card {
            background: var(--surface);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-strong);
            transform: translateY(-3px);
        }
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            border-radius: 9999px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .badge-green { background: #eefdf5; color: var(--brand-strong); border: 1px solid #c4f2de; }
        .badge-dark { background: #0a0f1e; color: #7ee8bc; border: 1px solid rgba(22,184,126,0.3); }
        .badge-light { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.25); }

        /* 指标数字 */
        .stat-number {
            font-size: clamp(1.8rem, 3vw, 2.6rem);
            font-weight: 800;
            color: var(--ink-strong);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-label {
            font-size: 0.85rem;
            color: var(--ink-soft);
            margin-top: 4px;
        }

        /* 服务矩阵卡片 */
        .service-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition);
            height: 100%;
        }
        .service-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--brand-soft);
            transform: translateY(-4px);
        }
        .service-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: #eefdf5;
            color: var(--brand-strong);
            font-size: 1.3rem;
            margin-bottom: 16px;
        }

        /* 对比表格卡片 */
        .compare-card {
            background: var(--surface);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: all var(--transition);
        }
        .compare-card:hover { box-shadow: var(--shadow-md); }

        /* FAQ */
        .faq-item {
            background: var(--surface);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            margin-bottom: 12px;
            transition: all var(--transition);
        }
        .faq-item:hover { border-color: var(--brand-soft); box-shadow: var(--shadow-md); }
        .faq-question {
            font-weight: 600;
            color: var(--ink-strong);
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }
        .faq-answer {
            color: var(--ink-soft);
            font-size: 0.9rem;
            line-height: 1.8;
            margin-top: 12px;
            display: none;
        }
        .faq-answer.open { display: block; }
        .faq-toggle-icon {
            font-size: 1.2rem;
            color: var(--brand-strong);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-toggle-icon { transform: rotate(45deg); }

        /* 表单 */
        .form-input {
            width: 100%;
            padding: 12px 16px;
            border-radius: 10px;
            border: 1px solid var(--border-strong);
            background: var(--surface);
            font-size: 0.9rem;
            transition: all var(--transition);
            color: var(--ink);
        }
        .form-input:focus {
            outline: none;
            border-color: var(--brand);
            box-shadow: 0 0 0 3px rgba(22,184,126,0.12);
        }
        .form-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--ink-strong);
            margin-bottom: 6px;
            display: block;
        }

        /* 页脚 */
        .site-footer {
            background: #0a0f1e;
            color: rgba(232,236,244,0.7);
            padding: 50px 0 24px;
        }
        .site-footer a { color: rgba(232,236,244,0.7); }
        .site-footer a:hover { color: #7ee8bc; }
        .site-footer h4 { color: #fff; font-weight: 600; font-size: 0.9rem; margin-bottom: 12px; }

        /* 移端菜单 */
        #mobileMenu { display: none; }
        #mobileMenu.open { display: block; }

        /* 版块标题 */
        .section-title {
            font-size: clamp(1.5rem, 3vw, 2.2rem);
            font-weight: 800;
            color: var(--ink-strong);
            letter-spacing: -0.02em;
            line-height: 1.3;
        }
        .section-sub {
            font-size: 1rem;
            color: var(--ink-soft);
            max-width: 720px;
            line-height: 1.8;
        }
        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            border-radius: 9999px;
            background: #eefdf5;
            color: var(--brand-strong);
            font-size: 0.78rem;
            font-weight: 600;
            margin-bottom: 12px;
        }

        /* Bento Hero 网格 */
        .bento-grid {
            display: grid;
            grid-template-columns: 2fr 1fr;
            gap: 16px;
        }
        .bento-main {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.15);
            border-radius: var(--radius-lg);
            padding: 36px;
            backdrop-filter: blur(8px);
        }
        .bento-side {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .bento-small {
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.18);
            border-radius: var(--radius-md);
            padding: 20px;
            backdrop-filter: blur(8px);
            transition: all var(--transition);
        }
        .bento-small:hover {
            background: rgba(255,255,255,0.14);
            border-color: rgba(22,184,126,0.4);
            transform: translateY(-2px);
        }
        .bento-cta-bar {
            grid-column: 1 / -1;
            background: rgba(22,184,126,0.14);
            border: 1px solid rgba(22,184,126,0.35);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            backdrop-filter: blur(8px);
        }
        @media (max-width: 768px) {
            .bento-grid {
                grid-template-columns: 1fr;
            }
            .bento-main { padding: 24px; }
            .bento-cta-bar { flex-direction: column; align-items: flex-start; }
        }

        /* 数据行 */
        .data-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            gap: 16px;
            flex-wrap: wrap;
        }
        .data-row:last-child { border-bottom: none; }

        /* 深度内容区 */
        .deep-content {
            background: var(--surface-alt);
            border-radius: var(--radius-xl);
            padding: 36px;
            border: 1px solid var(--border);
        }
        .deep-content p {
            color: var(--ink);
            line-height: 2;
            font-size: 0.95rem;
            margin-bottom: 14px;
        }
        .deep-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--ink-strong);
            margin-bottom: 10px;
            margin-top: 18px;
        }

        /* 响应式 */
        @media (max-width: 768px) {
            .hero { min-height: auto; padding-block: 60px; }
            .stat-number { font-size: 1.6rem; }
            .deep-content { padding: 20px; }
        }