/* roulang page: index */
:root {
            --primary: #0a1628;
            --primary-light: #14263f;
            --primary-dark: #060e1b;
            --accent: #e8542e;
            --accent-light: #ff6b42;
            --accent-dark: #c43d1c;
            --bg: #f5f6f8;
            --bg-white: #ffffff;
            --bg-soft: #f0f2f5;
            --text: #1a2332;
            --text-weak: #5f6b7a;
            --text-light: #8a95a3;
            --border: #dfe3e8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --shadow-sm: 0 2px 8px rgba(10, 22, 40, 0.06);
            --shadow-md: 0 6px 20px rgba(10, 22, 40, 0.08);
            --shadow-lg: 0 12px 36px rgba(10, 22, 40, 0.12);
            --sidebar-w: 268px;
            --transition: all 0.25s ease;
        }
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; font-size: 16px; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }
        a { text-decoration: none; color: inherit; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, select, textarea { font-family: inherit; }
        .container-wrap { max-width: 1280px; margin: 0 auto; padding: 0 32px; }
        .sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-w);
            height: 100vh;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-dark) 100%);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            padding: 32px 24px 24px;
            transition: transform 0.35s ease;
            overflow-y: auto;
        }
        .sidebar-brand {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 8px 6px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            margin-bottom: 20px;
        }
        .brand-logo {
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent) 0%, #ff8a50 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 20px;
            color: #fff;
            flex-shrink: 0;
        }
        .brand-text {
            color: #fff;
            font-size: 17px;
            font-weight: 700;
            line-height: 1.35;
            letter-spacing: 0.5px;
        }
        .brand-sub {
            font-size: 11px;
            color: rgba(255,255,255,0.5);
            font-weight: 400;
            margin-top: 2px;
        }
        .sidebar-nav {
            flex: 1;
        }
        .sidebar-nav .nav-section-title {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            color: rgba(255,255,255,0.35);
            padding: 16px 12px 8px;
            font-weight: 600;
        }
        .sidebar-nav .nav-link-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: 10px;
            color: rgba(255,255,255,0.7);
            font-size: 14.5px;
            font-weight: 500;
            margin-bottom: 4px;
            transition: var(--transition);
            border: 1px solid transparent;
        }
        .sidebar-nav .nav-link-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            opacity: 0.8;
        }
        .sidebar-nav .nav-link-item:hover {
            background: rgba(255,255,255,0.08);
            color: #fff;
            transform: translateX(4px);
        }
        .sidebar-nav .nav-link-item.active {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232, 84, 46, 0.35);
        }
        .sidebar-footer {
            padding-top: 18px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.35);
            line-height: 1.6;
        }
        .sidebar-footer .contact-line {
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 6px;
            color: rgba(255,255,255,0.55);
        }
        .main-wrapper {
            margin-left: var(--sidebar-w);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        .topbar {
            display: none;
        }
        .page-content {
            flex: 1;
        }
        .nav-toggle {
            display: none;
            position: fixed;
            top: 16px;
            left: 16px;
            z-index: 1050;
            width: 46px;
            height: 46px;
            border-radius: 12px;
            background: var(--primary);
            color: #fff;
            border: none;
            font-size: 18px;
            box-shadow: var(--shadow-md);
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }
        .nav-backdrop {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(6,14,27,0.5);
            z-index: 1035;
            backdrop-filter: blur(3px);
        }
        .sidebar.open { transform: translateX(0); }
        .nav-backdrop.show { display: block; }

        .hero-section {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(135deg, #0a1628 0%, #14263f 60%, #1a3050 100%);
            overflow: hidden;
        }
        .hero-section .hero-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }
        .hero-section .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10,22,40,0.92) 0%, rgba(10,22,40,0.65) 50%, rgba(10,22,40,0.4) 100%);
            z-index: 1;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.1);
            border: 1px solid rgba(255,255,255,0.18);
            padding: 6px 16px;
            border-radius: 100px;
            font-size: 13px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 20px;
            backdrop-filter: blur(6px);
        }
        .hero-title {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 1px;
            margin-bottom: 18px;
        }
        .hero-title .accent {
            color: var(--accent-light);
            position: relative;
        }
        .hero-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.75);
            line-height: 1.8;
            margin-bottom: 32px;
            max-width: 600px;
        }
        .hero-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .btn-custom {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 26px;
            border-radius: 10px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn-accent {
            background: linear-gradient(135deg, var(--accent) 0%, var(--accent-dark) 100%);
            color: #fff;
            box-shadow: 0 4px 18px rgba(232,84,46,0.35);
        }
        .btn-accent:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,84,46,0.45);
            color: #fff;
        }
        .btn-outline-light-custom {
            background: transparent;
            border: 1.5px solid rgba(255,255,255,0.4);
            color: #fff;
        }
        .btn-outline-light-custom:hover {
            background: rgba(255,255,255,0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat-item .stat-num {
            font-size: 30px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stat-item .stat-label {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            margin-top: 4px;
        }

        .section-block {
            padding: 64px 0;
        }
        .section-dark {
            background: var(--primary);
            color: #fff;
        }
        .section-soft {
            background: var(--bg-soft);
        }
        .section-heading {
            margin-bottom: 40px;
        }
        .section-heading .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(232,84,46,0.1);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 5px 14px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .section-heading h2 {
            font-size: 30px;
            font-weight: 800;
            line-height: 1.35;
            margin-bottom: 12px;
            color: var(--text);
        }
        .section-dark .section-heading h2 { color: #fff; }
        .section-heading p {
            font-size: 15px;
            color: var(--text-weak);
            max-width: 600px;
            line-height: 1.7;
        }
        .section-dark .section-heading p { color: rgba(255,255,255,0.65); }

        .category-cards .cat-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: var(--transition);
            border: 1px solid var(--border);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .category-cards .cat-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), #ff8a50);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }
        .category-cards .cat-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: transparent;
        }
        .category-cards .cat-card:hover::before { transform: scaleX(1); }
        .cat-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 20px;
            background: linear-gradient(135deg, rgba(232,84,46,0.12), rgba(255,138,80,0.08));
            color: var(--accent);
        }
        .cat-card h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .cat-card p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 18px;
        }
        .cat-card .cat-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .cat-card .cat-link i { transition: transform 0.25s ease; }
        .cat-card .cat-link:hover i { transform: translateX(4px); }

        .feature-grid .feature-card {
            padding: 28px 24px;
            border-radius: var(--radius-md);
            background: var(--bg-white);
            border: 1px solid var(--border);
            height: 100%;
            transition: var(--transition);
        }
        .feature-grid .feature-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(232,84,46,0.3);
        }
        .feature-grid .feature-card .f-icon {
            font-size: 26px;
            color: var(--accent);
            margin-bottom: 14px;
        }
        .feature-grid .feature-card h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
        }
        .feature-grid .feature-card p {
            font-size: 13.5px;
            color: var(--text-weak);
            line-height: 1.65;
            margin: 0;
        }

        .posts-card {
            background: var(--bg-white);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 18px;
            margin-bottom: 12px;
        }
        .posts-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: rgba(232,84,46,0.25);
        }
        .posts-card .post-thumb {
            width: 80px;
            height: 64px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--bg-soft);
        }
        .posts-card .post-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .posts-card .post-info {
            flex: 1;
            min-width: 0;
        }
        .posts-card .post-info h3 {
            font-size: 15px;
            font-weight: 600;
            margin: 0 0 6px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .posts-card .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12.5px;
            color: var(--text-light);
        }
        .posts-card .post-meta i {
            font-size: 11px;
            margin-right: 4px;
            color: var(--accent);
        }

        .data-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-stat-box {
            background: rgba(255,255,255,0.06);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 30px 20px;
            text-align: center;
            transition: var(--transition);
        }
        .data-stat-box:hover {
            background: rgba(255,255,255,0.1);
            transform: translateY(-4px);
        }
        .data-stat-box .num {
            font-size: 34px;
            font-weight: 800;
            background: linear-gradient(135deg, #ff8a50, var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .data-stat-box .lbl {
            font-size: 14px;
            color: rgba(255,255,255,0.65);
            margin-top: 6px;
        }

        .steps-wrap {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }
        .step-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .step-num {
            font-size: 42px;
            font-weight: 800;
            color: rgba(232,84,46,0.15);
            position: absolute;
            top: 16px;
            right: 22px;
            line-height: 1;
        }
        .step-item h4 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
        }
        .step-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin: 0;
        }

        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(232,84,46,0.3); }
        .faq-question {
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            background: var(--bg-white);
            border: none;
            width: 100%;
            text-align: left;
            color: var(--text);
            transition: var(--transition);
        }
        .faq-question i {
            color: var(--accent);
            transition: transform 0.3s ease;
            flex-shrink: 0;
        }
        .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
        }
        .faq-answer {
            padding: 0 24px 20px;
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
            display: none;
        }
        .faq-question[aria-expanded="true"] + .faq-answer { display: block; }

        .cta-section {
            background: linear-gradient(135deg, var(--primary) 0%, #1b3a5f 100%);
            border-radius: var(--radius-lg);
            padding: 48px 48px;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(232,84,46,0.25), transparent 70%);
        }
        .cta-section h2 {
            font-size: 26px;
            font-weight: 800;
            color: #fff;
        }
        .cta-section p {
            color: rgba(255,255,255,0.7);
            font-size: 15px;
        }

        .site-footer {
            background: var(--primary-dark);
            color: rgba(255,255,255,0.55);
            padding: 40px 0 24px;
            margin-top: 40px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .site-footer .footer-links a {
            color: rgba(255,255,255,0.65);
            font-size: 14px;
        }
        .site-footer .footer-links a:hover { color: #fff; }
        .site-footer .copyright {
            font-size: 13px;
            color: rgba(255,255,255,0.35);
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 18px;
        }

        .btn:focus, .form-control:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(232,84,46,0.2);
        }

        @media (max-width: 1024px) {
            :root { --sidebar-w: 240px; }
            .hero-title { font-size: 32px; }
            .container-wrap { padding: 0 24px; }
        }
        @media (max-width: 768px) {
            .sidebar { transform: translateX(-100%); }
            .sidebar.open { transform: translateX(0); }
            .nav-toggle { display: flex; }
            .main-wrapper { margin-left: 0; }
            .topbar {
                display: flex;
                align-items: center;
                justify-content: center;
                padding: 16px 20px 16px 70px;
                background: var(--primary);
                position: sticky;
                top: 0;
                z-index: 1020;
            }
            .topbar .topbar-brand {
                color: #fff;
                font-size: 16px;
                font-weight: 700;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
                max-width: 200px;
            }
            .hero-section { padding: 60px 0 48px; }
            .hero-title { font-size: 26px; }
            .hero-actions { flex-direction: column; align-items: stretch; max-width: 400px; }
            .hero-stats { gap: 28px; margin-top: 36px; }
            .hero-stat-item .stat-num { font-size: 24px; }
            .data-stats { grid-template-columns: repeat(2, 1fr); }
            .steps-wrap { grid-template-columns: 1fr; }
            .cta-section { padding: 36px 24px; }
        }
        @media (max-width: 520px) {
            .container-wrap { padding: 0 18px; }
            .section-block { padding: 44px 0; }
            .hero-title { font-size: 22px; }
            .hero-badge { font-size: 12px; padding: 4px 12px; }
            .section-heading h2 { font-size: 24px; }
            .data-stats { grid-template-columns: 1fr 1fr; gap: 12px; }
            .data-stat-box { padding: 20px 14px; }
            .data-stat-box .num { font-size: 26px; }
            .posts-card { flex-direction: column; align-items: flex-start; }
            .posts-card .post-thumb { width: 100%; height: 140px; }
            .posts-card .post-info h3 { white-space: normal; }
            .cta-section { padding: 28px 20px; }
            .cta-section h2 { font-size: 21px; }
            .hero-stats { gap: 20px; }
        }

/* roulang page: category1 */
:root {
            --primary: #0f766e;
            --primary-dark: #115e59;
            --primary-light: #14b8a6;
            --primary-soft: #ccfbf1;
            --accent: #f59e0b;
            --accent-light: #fef3c7;
            --bg-body: #f8fafc;
            --bg-card: #ffffff;
            --bg-deep: #0f172a;
            --bg-deep-2: #134e4a;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --text-light: #94a3b8;
            --border: #e2e8f0;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --sidebar-width: 260px;
            --header-height: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--bg-body);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container-wrap {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 左侧竖向导航 ===== */
        .site-layout {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: var(--sidebar-width);
            background: var(--bg-deep);
            color: #fff;
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1045;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(15, 23, 42, 0.15);
        }

        .sidebar-header {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 0.5px;
            line-height: 1.3;
        }

        .site-logo i {
            font-size: 28px;
            color: var(--primary-light);
        }

        .logo-mini {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            border-radius: 12px;
            flex-shrink: 0;
            color: #fff;
            font-size: 18px;
        }

        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            overflow-y: auto;
        }

        .nav-section-title {
            font-size: 13px;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: rgba(255, 255, 255, 0.4);
            margin-bottom: 12px;
            padding: 0 12px;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 12px 16px;
            border-radius: 12px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            font-weight: 500;
            margin-bottom: 4px;
            transition: var(--transition);
        }

        .sidebar-nav a i {
            font-size: 18px;
            width: 24px;
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            transition: var(--transition);
        }

        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .sidebar-nav a:hover i {
            color: var(--primary-light);
        }

        .sidebar-nav a.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 16px rgba(20, 184, 166, 0.35);
        }

        .sidebar-nav a.active i {
            color: #fff;
        }

        .sidebar-bottom {
            padding: 16px 24px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .sidebar-bottom .mini-info {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .sidebar-bottom .status-dot {
            width: 9px;
            height: 9px;
            border-radius: 50%;
            background: var(--primary-light);
            box-shadow: 0 0 0 3px rgba(20, 184, 166, 0.2);
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        /* 移动端顶栏 */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1040;
            background: var(--bg-deep);
            padding: 0 16px;
            height: var(--header-height);
            align-items: center;
            justify-content: space-between;
            box-shadow: 0 2px 16px rgba(15, 23, 42, 0.15);
        }

        .mobile-logo-wrap {
            display: flex;
            align-items: center;
            gap: 12px;
            color: #fff;
            font-weight: 700;
            font-size: 17px;
        }

        .mobile-logo-wrap .logo-mini {
            width: 34px;
            height: 34px;
            font-size: 15px;
        }

        .mobile-toggle {
            width: 44px;
            height: 44px;
            border: none;
            background: rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: #fff;
            font-size: 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(255, 255, 255, 0.18);
        }

        .mobile-sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.6);
            z-index: 1044;
            backdrop-filter: blur(4px);
        }

        .sidebar.mobile-open {
            transform: translateX(0);
        }

        @media (max-width: 991px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            }

            .sidebar.mobile-open {
                transform: translateX(0);
            }

            .mobile-header {
                display: flex;
            }

            .mobile-sidebar-overlay.open {
                display: block;
            }

            .main-content {
                margin-left: 0;
            }
        }

        /* ===== Page Banner ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 64px;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.88) 0%, rgba(15, 118, 110, 0.75) 60%, rgba(15, 23, 42, 0.5) 100%);
        }

        .page-hero .hero-content {
            position: relative;
            z-index: 1;
            max-width: 800px;
        }

        .page-hero .hero-tag {
            display: inline-block;
            background: rgba(20, 184, 166, 0.2);
            color: #5eead4;
            border: 1px solid rgba(20, 184, 166, 0.4);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 20px;
            backdrop-filter: blur(8px);
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-hero p {
            color: rgba(255, 255, 255, 0.88);
            font-size: 17px;
            margin-bottom: 28px;
            line-height: 1.8;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
        }

        .hero-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.75);
            font-size: 14px;
        }

        .hero-meta .meta-item i {
            color: #5eead4;
        }

        @media (max-width: 768px) {
            .page-hero {
                padding: 50px 0 40px;
                background-attachment: scroll;
            }

            .page-hero h1 {
                font-size: 30px;
            }

            .page-hero p {
                font-size: 15px;
            }
        }

        /* ===== 分类导航条 ===== */
        .category-bar {
            padding: 24px 0 0;
        }

        .category-bar-inner {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            align-items: center;
        }

        .category-bar .cat-pill {
            padding: 8px 18px;
            border-radius: 50px;
            background: var(--bg-card);
            border: 1px solid var(--border);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            box-shadow: var(--shadow-sm);
        }

        .category-bar .cat-pill:hover {
            border-color: var(--primary);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }

        .category-bar .cat-pill.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.25);
        }

        /* ===== Section通用 ===== */
        .section-block {
            padding: 64px 0;
        }

        .section-block.bg-white {
            background: #fff;
        }

        .section-block.bg-dark {
            background: var(--bg-deep);
            color: #fff;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            color: var(--primary);
            background: var(--primary-soft);
            padding: 5px 14px;
            border-radius: 50px;
            letter-spacing: 1px;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-head.bg-dark .section-tag {
            background: rgba(20, 184, 166, 0.2);
            color: #5eead4;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: 0.5px;
            margin-bottom: 12px;
            line-height: 1.3;
        }

        .section-head.bg-dark h2 {
            color: #fff;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            max-width: 640px;
            line-height: 1.7;
        }

        .section-head.bg-dark p {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== 赛事精选卡片 ===== */
        .match-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }

        .match-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(15, 118, 110, 0.3);
        }

        .match-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .match-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .match-card:hover .match-cover img {
            transform: scale(1.05);
        }

        .match-cover .match-status {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(15, 23, 42, 0.8);
            color: #fff;
            padding: 5px 14px;
            border-radius: 50px;
            font-size: 12px;
            font-weight: 600;
            backdrop-filter: blur(4px);
        }

        .match-cover .match-status.live {
            background: rgba(220, 38, 38, 0.9);
        }

        .match-body {
            padding: 22px 22px 24px;
        }

        .match-body .match-league {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .match-body .match-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .match-body .match-info {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .match-meta-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .match-meta-row .meta-left {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .match-meta-row .meta-left i {
            color: var(--accent);
        }

        .match-meta-row .more-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .match-meta-row .more-link:hover {
            gap: 10px;
        }

        /* ===== 赛程表格 ===== */
        .schedule-table-wrap {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .schedule-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
        }

        .schedule-table th {
            background: var(--bg-deep-2);
            color: #fff;
            padding: 16px 20px;
            font-weight: 600;
            font-size: 14px;
            letter-spacing: 1px;
            text-align: left;
            border: none;
        }

        .schedule-table th:first-child {
            border-radius: 0;
        }

        .schedule-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
        }

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

        .schedule-table tbody tr {
            transition: var(--transition);
        }

        .schedule-table tbody tr:hover {
            background: #f0fdfa;
        }

        .schedule-table .team-name {
            font-weight: 600;
        }

        .schedule-table .score-badge {
            background: var(--primary-soft);
            color: var(--primary-dark);
            padding: 4px 12px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 14px;
        }

        .schedule-table .status-badge {
            padding: 4px 12px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
        }

        .status-badge.finished {
            background: #f1f5f9;
            color: var(--text-muted);
        }

        .status-badge.upcoming {
            background: var(--accent-light);
            color: #b45309;
        }

        .status-badge.live {
            background: #fee2e2;
            color: #b91c1c;
            animation: pulse-dot 1.5s infinite;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.7; }
        }

        @media (max-width: 768px) {
            .schedule-table th,
            .schedule-table td {
                padding: 12px 14px;
                font-size: 14px;
            }
            .schedule-table {
                min-width: 640px;
            }
            .schedule-table-wrap {
                overflow-x: auto;
            }
        }

        /* ===== 热门赛事排行 ===== */
        .ranking-list {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .ranking-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 18px 20px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .ranking-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateX(6px);
            border-color: rgba(15, 118, 110, 0.3);
        }

        .ranking-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--text-light);
            min-width: 44px;
            text-align: center;
            font-style: italic;
        }

        .ranking-item:nth-child(1) .ranking-num {
            color: var(--accent);
        }

        .ranking-item:nth-child(2) .ranking-num {
            color: var(--text-muted);
        }

        .ranking-item:nth-child(3) .ranking-num {
            color: #cd7f32;
        }

        .ranking-item .ranking-info {
            flex: 1;
        }

        .ranking-item .ranking-name {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
        }

        .ranking-item .ranking-desc {
            font-size: 13px;
            color: var(--text-muted);
        }

        .ranking-item .ranking-heat {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== 数据统计 ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .stat-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            text-align: center;
            backdrop-filter: blur(8px);
            transition: var(--transition);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-4px);
        }

        .stat-card .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: #5eead4;
            line-height: 1.2;
            margin-bottom: 8px;
        }

        .stat-card .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 赛事分析 ===== */
        .analysis-card {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            height: 100%;
        }

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

        .analysis-card .analysis-icon {
            width: 48px;
            height: 48px;
            border-radius: 14px;
            background: var(--primary-soft);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 18px;
        }

        .analysis-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 10px;
        }

        .analysis-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        /* ===== 资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
        }

        .news-list-item {
            display: flex;
            gap: 20px;
            padding: 20px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .news-list-item:last-child {
            border-bottom: none;
        }

        .news-list-item:hover {
            padding-left: 10px;
        }

        .news-thumb {
            width: 120px;
            height: 84px;
            border-radius: var(--radius-sm);
            overflow: hidden;
            flex-shrink: 0;
        }

        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .news-list-item .news-content {
            flex: 1;
        }

        .news-content .news-date {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
            margin-bottom: 6px;
        }

        .news-content .news-date i {
            color: var(--primary);
        }

        .news-content h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-content h4:hover {
            color: var(--primary);
        }

        .news-content p {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        /* ===== 视频焦点 ===== */
        .video-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            height: 260px;
            box-shadow: var(--shadow-md);
            cursor: pointer;
        }

        .video-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .video-card:hover img {
            transform: scale(1.05);
        }

        .video-card .video-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(15, 23, 42, 0) 30%, rgba(15, 23, 42, 0.85) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 24px;
        }

        .video-card .video-play {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(8px);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 22px;
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: var(--transition);
        }

        .video-card:hover .video-play {
            background: rgba(15, 118, 110, 0.8);
            transform: translate(-50%, -50%) scale(1.1);
        }

        .video-card .video-title {
            color: #fff;
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
        }

        .video-card .video-time {
            color: rgba(255, 255, 255, 0.7);
            font-size: 13px;
            margin-top: 4px;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--bg-deep-2) 0%, var(--primary-dark) 100%);
            border-radius: var(--radius-lg);
            padding: 48px;
            position: relative;
            overflow: hidden;
        }

        .cta-block::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(20, 184, 166, 0.15);
        }

        .cta-block h2 {
            color: #fff;
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-block p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            margin-bottom: 24px;
        }

        .btn-custom-primary {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(15, 118, 110, 0.3);
        }

        .btn-custom-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(15, 118, 110, 0.4);
        }

        .btn-custom-light {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 12px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 500;
            display: inline-flex;
            align-items: center;
            gap: 8px;
            transition: var(--transition);
            backdrop-filter: blur(4px);
        }

        .btn-custom-light:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 24px 28px;
            margin-bottom: 12px;
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 118, 110, 0.2);
        }

        .faq-item h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 12px;
        }

        .faq-item h3 .faq-num {
            color: var(--primary);
            font-size: 14px;
            background: var(--primary-soft);
            width: 28px;
            height: 28px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            margin-top: 2px;
        }

        .faq-item p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-left: 40px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-deep);
            padding: 28px 0;
            margin-top: auto;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 28px;
            margin-bottom: 16px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
            position: relative;
            padding: 4px 0;
        }

        .footer-links a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--primary-light);
            transition: width 0.3s ease;
        }

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

        .footer-links a:hover::after {
            width: 100%;
        }

        .copyright {
            text-align: center;
            color: rgba(255, 255, 255, 0.35);
            font-size: 13px;
            letter-spacing: 0.5px;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 991px) {
            .section-block {
                padding: 48px 0;
            }

            .section-head h2 {
                font-size: 26px;
            }
        }

        @media (max-width: 767px) {
            .container-wrap {
                padding: 0 16px;
            }

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

            .section-head {
                margin-bottom: 28px;
            }

            .section-head h2 {
                font-size: 22px;
            }

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

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

            .stat-card .stat-num {
                font-size: 28px;
            }

            .page-hero h1 {
                font-size: 26px;
            }

            .cta-block {
                padding: 32px 24px;
            }

            .cta-block h2 {
                font-size: 24px;
            }

            .ranking-item {
                padding: 14px 12px;
            }

            .ranking-num {
                font-size: 18px;
                min-width: 32px;
            }

            .ranking-item .ranking-heat {
                display: none;
            }

            .news-list-item {
                flex-direction: column;
                gap: 12px;
            }

            .news-thumb {
                width: 100%;
                height: 180px;
            }

            .match-cover {
                height: 180px;
            }

            .footer-links {
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .stat-card .stat-label {
                font-size: 13px;
            }

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

            .category-bar-inner {
                gap: 8px;
            }

            .category-bar .cat-pill {
                padding: 6px 14px;
                font-size: 13px;
            }
        }

        /* 可访问性 */
        :focus-visible {
            outline: 3px solid var(--primary-light);
            outline-offset: 2px;
        }

        /* 滚动条 */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }

        ::-webkit-scrollbar-track {
            background: var(--bg-deep);
        }

        ::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.2);
            border-radius: 8px;
        }

        .main-content ::-webkit-scrollbar-track {
            background: var(--bg-body);
        }

        .main-content ::-webkit-scrollbar-thumb {
            background: var(--text-light);
        }

        .btn:focus,
        .form-control:focus {
            box-shadow: 0 0 0 0.25rem rgba(15, 118, 110, 0.15);
        }

/* roulang page: article */
:root {
    --primary: #c8242f;
    --primary-dark: #a01d26;
    --primary-light: #fde8e9;
    --accent: #e8b04b;
    --dark: #0e1626;
    --dark-2: #162134;
    --bg: #f7f8fa;
    --card-bg: #ffffff;
    --text: #1e293b;
    --text-light: #64748b;
    --border: #e2e8f0;
    --radius-lg: 20px;
    --radius-md: 14px;
    --radius-sm: 8px;
    --shadow-sm: 0 2px 12px rgba(14, 22, 38, 0.04);
    --shadow: 0 6px 24px rgba(14, 22, 38, 0.07);
    --shadow-lg: 0 14px 40px rgba(14, 22, 38, 0.12);
    --transition: all .3s cubic-bezier(.4, 0, .2, 1);
}
*, *::before, *::after { box-sizing: border-box; }
body {
    font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    background: var(--bg);
    color: var(--text);
    line-height: 1.7;
    margin: 0;
    -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; transition: var(--transition); }
img { max-width: 100%; height: auto; }
button, input, select, textarea { font-family: inherit; }

.site-wrapper { display: flex; min-height: 100vh; }

/* ── Sidebar ── */
.sidebar {
    width: 272px;
    position: fixed;
    top: 0; left: 0; bottom: 0;
    background: linear-gradient(180deg, var(--dark) 0%, var(--dark-2) 100%);
    z-index: 1045;
    display: flex;
    flex-direction: column;
    padding: 28px 20px 20px;
    overflow-y: auto;
}
.sidebar-top {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
}
.brand {
    display: flex;
    align-items: center;
    gap: 12px;
    color: #fff;
}
.brand-badge {
    width: 42px; height: 42px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), #e85d4a);
    display: flex; align-items: center; justify-content: center;
    font-size: 18px;
    box-shadow: 0 4px 16px rgba(200, 36, 47, .35);
}
.brand-name {
    font-size: 16px;
    font-weight: 800;
    letter-spacing: .5px;
    line-height: 1.3;
    color: #fff;
}
.brand-name small {
    display: block;
    font-size: 11px;
    font-weight: 500;
    color: rgba(255,255,255,.5);
    letter-spacing: 1px;
}
.navbar-toggler {
    background: none;
    border: 1px solid rgba(255,255,255,.2);
    border-radius: 8px;
    color: #fff;
    font-size: 20px;
    width: 40px; height: 40px;
    padding: 0;
    display: none;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    transition: var(--transition);
}
.navbar-toggler:hover { background: rgba(255,255,255,.1); border-color: rgba(255,255,255,.4); }

.sidebar-nav { flex: 1; }
.nav-section-title {
    font-size: 11px;
    font-weight: 700;
    text-transform: uppercase;
    letter-spacing: 2px;
    color: rgba(255,255,255,.4);
    margin: 0 10px 12px;
    padding-bottom: 8px;
    border-bottom: 1px solid rgba(255,255,255,.06);
}
.nav-link-item {
    display: flex;
    align-items: center;
    gap: 12px;
    color: rgba(255,255,255,.65);
    font-size: 15px;
    font-weight: 500;
    padding: 11px 14px;
    border-radius: 12px;
    margin-bottom: 4px;
    transition: var(--transition);
    position: relative;
}
.nav-link-item i {
    width: 20px;
    text-align: center;
    font-size: 15px;
}
.nav-link-item:hover {
    color: #fff;
    background: rgba(255,255,255,.06);
    transform: translateX(2px);
}
.nav-link-item.active {
    color: #fff;
    background: linear-gradient(135deg, rgba(200,36,47,.25), rgba(200,36,47,.1));
    box-shadow: inset 0 0 0 1px rgba(200,36,47,.4);
}
.nav-link-item.active::before {
    content: "";
    position: absolute;
    left: 0; top: 50%;
    transform: translateY(-50%);
    width: 3px; height: 22px;
    border-radius: 0 3px 3px 0;
    background: var(--accent);
}
.nav-link-item.active i { color: var(--accent); }

.sidebar-foot { margin-top: 24px; padding-top: 20px; border-top: 1px solid rgba(255,255,255,.08); }
.sidebar-note {
    font-size: 12px;
    color: rgba(255,255,255,.35);
    line-height: 1.6;
    margin-bottom: 14px;
    padding: 0 4px;
}
.btn-side-contact {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 12px;
    color: rgba(255,255,255,.5);
    padding: 8px 14px;
    border: 1px solid rgba(255,255,255,.12);
    border-radius: 10px;
    transition: var(--transition);
}
.btn-side-contact:hover {
    color: #fff;
    border-color: rgba(255,255,255,.3);
    background: rgba(255,255,255,.05);
}

/* ── Main Content ── */
.main-content {
    flex: 1;
    margin-left: 272px;
    min-width: 0;
}

/* ── Article Hero ── */
.article-hero {
    position: relative;
    padding: 80px 0 64px;
    background-size: cover;
    background-position: center;
    overflow: hidden;
}
.article-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(14,22,38,.92) 0%, rgba(14,22,38,.75) 55%, rgba(200,36,47,.45) 100%);
    z-index: 1;
}
.article-hero .container-wrap { position: relative; z-index: 2; }
.article-hero .badge-cat {
    display: inline-block;
    background: var(--accent);
    color: var(--dark);
    font-size: 12px;
    font-weight: 700;
    padding: 5px 16px;
    border-radius: 30px;
    letter-spacing: 1px;
    text-transform: uppercase;
    margin-bottom: 18px;
}
.article-hero h1 {
    color: #fff;
    font-size: clamp(1.7rem, 3.2vw, 2.8rem);
    font-weight: 800;
    line-height: 1.3;
    max-width: 820px;
    margin-bottom: 16px;
    text-shadow: 0 2px 20px rgba(0,0,0,.25);
}
.article-hero .meta {
    display: flex;
    flex-wrap: wrap;
    gap: 18px;
    color: rgba(255,255,255,.75);
    font-size: 13px;
}
.article-hero .meta span { display: inline-flex; align-items: center; gap: 6px; }
.article-hero .meta i { color: var(--accent); }

.hero-breadcrumb {
    position: absolute;
    top: 24px;
    left: 0; right: 0;
    z-index: 3;
}
.hero-breadcrumb .breadcrumb {
    background: transparent;
    margin: 0;
    padding: 0;
}
.hero-breadcrumb .breadcrumb-item,
.hero-breadcrumb .breadcrumb-item a {
    color: rgba(255,255,255,.6);
    font-size: 13px;
}
.hero-breadcrumb .breadcrumb-item.active { color: rgba(255,255,255,.85); }
.hero-breadcrumb .breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.35); }

/* ── Container ── */
.container-wrap {
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}

/* ── Article Main Body ── */
.article-main-body {
    padding: 40px 0 20px;
}
.article-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 36px 40px;
    margin-bottom: 32px;
}
.article-detail-body {
    font-size: 1.04rem;
    line-height: 1.95;
    color: var(--text);
}
.article-detail-body p { margin-bottom: 1.6em; }
.article-detail-body h2 {
    font-size: 1.45rem;
    font-weight: 700;
    margin: 2em 0 .8em;
    padding-bottom: .5em;
    border-bottom: 2px solid var(--primary-light);
    position: relative;
}
.article-detail-body h2::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 46px; height: 2px;
    background: var(--primary);
}
.article-detail-body h3 {
    font-size: 1.2rem;
    font-weight: 600;
    margin: 1.8em 0 .6em;
    color: var(--dark);
}
.article-detail-body ul,
.article-detail-body ol {
    padding-left: 1.5em;
    margin-bottom: 1.6em;
}
.article-detail-body li { margin-bottom: .4em; }
.article-detail-body blockquote {
    border-left: 4px solid var(--primary);
    background: var(--primary-light);
    padding: 16px 20px;
    border-radius: 0 var(--radius-md) var(--radius-md) 0;
    margin: 1.8em 0;
    color: var(--text-light);
    font-style: italic;
}
.article-detail-body img {
    border-radius: var(--radius-md);
    margin: 1.5em 0;
    box-shadow: var(--shadow);
}
.article-detail-body a { color: var(--primary); font-weight: 600; }
.article-detail-body a:hover { color: var(--primary-dark); text-decoration: underline; }

.article-tags {
    display: flex;
    flex-wrap: wrap;
    gap: 10px;
    margin-top: 30px;
    padding-top: 24px;
    border-top: 1px solid var(--border);
}
.tag-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--bg);
    color: var(--text-light);
    font-size: 13px;
    padding: 6px 16px;
    border-radius: 30px;
    border: 1px solid var(--border);
    transition: var(--transition);
    cursor: pointer;
}
.tag-item:hover {
    background: var(--primary-light);
    color: var(--primary);
    border-color: var(--primary);
}

.article-empty {
    text-align: center;
    padding: 80px 40px;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
}
.article-empty h2 { font-size: 2rem; font-weight: 800; color: var(--dark); margin-bottom: 12px; }
.article-empty p { color: var(--text-light); margin-bottom: 28px; }

/* ── Sidebar Widgets ── */
.widget-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 26px;
    margin-bottom: 24px;
}
.widget-card h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--dark);
    margin-bottom: 16px;
    padding-bottom: 12px;
    border-bottom: 2px solid var(--primary-light);
    position: relative;
}
.widget-card h3::after {
    content: "";
    position: absolute;
    left: 0; bottom: -2px;
    width: 32px; height: 2px;
    background: var(--primary);
}
.widget-card p { font-size: 14px; color: var(--text-light); margin-bottom: 0; }
.widget-meta-list { list-style: none; padding: 0; margin: 0; }
.widget-meta-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 10px 0;
    border-bottom: 1px dashed var(--border);
    font-size: 14px;
    color: var(--text-light);
}
.widget-meta-list li:last-child { border-bottom: 0; }
.widget-meta-list li i { color: var(--primary); width: 18px; text-align: center; }
.widget-meta-list li strong { color: var(--text); font-weight: 600; margin-right: auto; }

.tag-cloud { display: flex; flex-wrap: wrap; gap: 8px; }
.tag-cloud a {
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 20px;
    background: var(--bg);
    border: 1px solid var(--border);
    color: var(--text-light);
    transition: var(--transition);
}
.tag-cloud a:hover {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    transform: translateY(-2px);
}

.share-btns { display: flex; gap: 10px; }
.share-btn {
    width: 38px; height: 38px;
    border-radius: 10px;
    display: flex; align-items: center; justify-content: center;
    font-size: 15px;
    color: #fff;
    background: var(--text-light);
    transition: var(--transition);
}
.share-btn:hover { transform: translateY(-3px); box-shadow: var(--shadow); }
.share-btn.weixin { background: #07c160; }
.share-btn.weibo { background: #e6162d; }
.share-btn.qq { background: #12b7f5; }
.share-btn.copy { background: var(--dark); }

/* ── Section Base ── */
.section-block { padding: 56px 0; }
.section-block h2 {
    font-size: 2rem;
    font-weight: 800;
    color: var(--dark);
    text-align: center;
    margin-bottom: 8px;
}
.section-subtitle {
    text-align: center;
    color: var(--text-light);
    font-size: 15px;
    max-width: 620px;
    margin: 0 auto 40px;
}
.section-title-bar {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 30px;
    flex-wrap: wrap;
    gap: 12px;
}
.section-title-bar h2 {
    margin: 0;
    font-size: 1.6rem;
    font-weight: 800;
    color: var(--dark);
}
.section-title-bar .view-all {
    font-size: 14px;
    color: var(--primary);
    font-weight: 600;
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: var(--primary-light);
    padding: 8px 20px;
    border-radius: 30px;
    transition: var(--transition);
}
.section-title-bar .view-all:hover {
    background: var(--primary);
    color: #fff;
    transform: translateX(2px);
}

/* ── Related Posts ── */
.related-section {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
    padding: 56px 0;
}
.related-card {
    display: block;
    background: var(--bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border);
    transition: var(--transition);
    height: 100%;
}
.related-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.related-thumb {
    height: 160px;
    overflow: hidden;
    background: var(--dark);
    position: relative;
}
.related-thumb img {
    width: 100%; height: 100%;
    object-fit: cover;
    transition: transform .5s ease;
}
.related-card:hover .related-thumb img { transform: scale(1.06); }
.related-thumb .badge-tag {
    position: absolute;
    top: 12px; left: 12px;
    background: rgba(14,22,38,.75);
    color: #fff;
    font-size: 11px;
    font-weight: 600;
    padding: 4px 12px;
    border-radius: 20px;
    backdrop-filter: blur(6px);
    z-index: 1;
}
.related-body { padding: 20px; }
.related-body h4 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text);
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.related-body p {
    font-size: 13px;
    color: var(--text-light);
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 16px;
}
.related-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-light);
}
.related-meta .read-more { color: var(--primary); font-weight: 600; }

/* ── Category Service ── */
.category-service { padding: 56px 0; }
.cat-service-card {
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    box-shadow: var(--shadow);
    padding: 32px 28px;
    text-align: center;
    height: 100%;
    border: 1px solid transparent;
    transition: var(--transition);
    position: relative;
    overflow: hidden;
}
.cat-service-card::before {
    content: "";
    position: absolute;
    top: 0; left: 0; right: 0;
    height: 4px;
    background: linear-gradient(90deg, var(--primary), var(--accent));
    opacity: 0;
    transition: var(--transition);
}
.cat-service-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: var(--primary-light);
}
.cat-service-card:hover::before { opacity: 1; }
.cat-service-icon {
    width: 64px; height: 64px;
    border-radius: 18px;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 24px;
    display: flex; align-items: center; justify-content: center;
    margin: 0 auto 20px;
    transition: var(--transition);
}
.cat-service-card:hover .cat-service-icon {
    background: var(--primary);
    color: #fff;
    transform: scale(1.05);
}
.cat-service-card h3 { font-size: 18px; font-weight: 700; color: var(--dark); margin-bottom: 12px; }
.cat-service-card p { font-size: 14px; color: var(--text-light); margin-bottom: 20px; }
.cat-service-link {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    background: var(--primary-light);
    padding: 8px 24px;
    border-radius: 30px;
    transition: var(--transition);
}
.cat-service-card:hover .cat-service-link {
    background: var(--primary);
    color: #fff;
}

/* ── FAQ ── */
.faq-section { padding: 56px 0; background: var(--card-bg); }
.faq-accordion .accordion-item {
    border: 1px solid var(--border);
    border-radius: var(--radius-md) !important;
    margin-bottom: 14px;
    overflow: hidden;
    box-shadow: var(--shadow-sm);
}
.faq-accordion .accordion-item:first-of-type,
.faq-accordion .accordion-item:last-of-type { border-radius: var(--radius-md) !important; }
.faq-accordion .accordion-button {
    background: #fff;
    color: var(--text);
    font-weight: 600;
    font-size: 15px;
    padding: 18px 22px;
    box-shadow: none;
    border: 0;
}
.faq-accordion .accordion-button:hover { background: var(--primary-light); }
.faq-accordion .accordion-button:not(.collapsed) {
    background: var(--primary-light);
    color: var(--primary);
}
.faq-accordion .accordion-button:not(.collapsed)::after {
    transform: rotate(45deg);
    background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23c8242f'%3e%3cpath fill-rule='evenodd' d='M8 0a1 1 0 0 1 1 1v6h6a1 1 0 1 1 0 2H9v6a1 1 0 1 1-2 0V9H1a1 1 0 0 1 0-2h6V1a1 1 0 0 1 1-1z' clip-rule='evenodd'/%3e%3c/svg%3e");
}
.faq-accordion .accordion-body {
    padding: 0 22px 20px;
    color: var(--text-light);
    font-size: 14px;
    line-height: 1.8;
    border-top: 1px solid var(--border);
}

/* ── CTA ── */
.cta-section {
    padding: 70px 0;
    background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 60%, rgba(200,36,47,.85) 130%);
    text-align: center;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: "";
    position: absolute;
    top: -40%; left: -20%;
    width: 600px; height: 600px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(232,176,75,.12) 0%, transparent 60%);
    pointer-events: none;
}
.cta-section::after {
    content: "";
    position: absolute;
    bottom: -30%; right: -10%;
    width: 400px; height: 400px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200,36,47,.14) 0%, transparent 65%);
    pointer-events: none;
}
.cta-section .container-wrap { position: relative; z-index: 1; }
.cta-section h2 {
    color: #fff;
    font-size: 2.2rem;
    font-weight: 800;
    margin-bottom: 14px;
}
.cta-section p {
    color: rgba(255,255,255,.7);
    font-size: 16px;
    max-width: 640px;
    margin: 0 auto 32px;
}
.cta-btn {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: var(--accent);
    color: var(--dark);
    font-size: 16px;
    font-weight: 700;
    padding: 14px 38px;
    border-radius: 50px;
    box-shadow: 0 8px 24px rgba(232,176,75,.3);
    transition: var(--transition);
}
.cta-btn:hover {
    transform: translateY(-3px);
    box-shadow: 0 14px 32px rgba(232,176,75,.45);
    color: var(--dark);
}
.cta-btn i { font-size: 18px; }

/* ── Footer ── */
.site-footer {
    background: var(--dark);
    padding: 40px 0;
}
.site-footer .container-wrap {
    display: flex;
    flex-direction: column;
    gap: 20px;
    align-items: center;
}
.footer-links {
    display: flex;
    flex-wrap: wrap;
    gap: 24px;
    justify-content: center;
}
.footer-links a {
    color: rgba(255,255,255,.6);
    font-size: 14px;
    transition: var(--transition);
}
.footer-links a:hover {
    color: var(--accent);
}
.copyright {
    color: rgba(255,255,255,.35);
    font-size: 13px;
    text-align: center;
}

/* ── Bootstrap resets / custom btn ── */
.btn { border-radius: 10px; font-weight: 600; }
.btn-primary {
    background: var(--primary);
    border-color: var(--primary);
    transition: var(--transition);
}
.btn-primary:hover {
    background: var(--primary-dark);
    border-color: var(--primary-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(200,36,47,.3);
}
.btn-outline-light {
    border-color: rgba(255,255,255,.4);
    color: rgba(255,255,255,.8);
}
.btn-outline-light:hover {
    background: rgba(255,255,255,.1);
    border-color: #fff;
    color: #fff;
}

/* ── Responsive ── */
@media (max-width: 1199px) {
    .sidebar { width: 240px; }
    .main-content { margin-left: 240px; }
    .article-card { padding: 30px 30px; }
}
@media (max-width: 991px) {
    .sidebar {
        width: 100%;
        height: auto;
        position: static;
        padding: 16px 20px;
        flex-direction: row;
        align-items: center;
        flex-wrap: wrap;
        gap: 12px;
    }
    .sidebar-top { margin-bottom: 0; }
    .navbar-toggler { display: inline-flex; }
    .sidebar .collapse { flex-basis: 100%; }
    .main-content { margin-left: 0; }
    .sidebar-nav { padding-top: 16px; }
    .sidebar-foot { display: none; }
    .nav-section-title { margin-top: 12px; }
    .article-hero { padding: 60px 0 50px; }
    .article-card { padding: 24px; }
}
@media (max-width: 767px) {
    .container-wrap { padding: 0 16px; }
    .section-block { padding: 40px 0; }
    .article-hero { padding: 44px 0 40px; }
    .article-hero h1 { font-size: 1.5rem; }
    .article-card { padding: 20px 16px; border-radius: 16px; }
    .article-detail-body { font-size: .97rem; line-height: 1.8; }
    .widget-card { padding: 20px; }
    .section-title-bar { flex-direction: column; align-items: flex-start; }
    .section-block h2 { font-size: 1.5rem; }
    .cta-section h2 { font-size: 1.6rem; }
    .related-thumb { height: 130px; }
    .cat-service-card { padding: 26px 20px; }
}
@media (max-width: 520px) {
    .brand-name { font-size: 14px; }
    .brand-badge { width: 36px; height: 36px; font-size: 15px; }
    .footer-links { gap: 14px; }
    .footer-links a { font-size: 13px; }
    .article-hero .meta { flex-direction: column; gap: 8px; }
    .related-thumb { height: 110px; }
}

/* roulang page: category2 */
/* ========== 设计变量 ========== */
        :root {
            --primary: #0b1f3a;
            --primary-light: #142a4a;
            --accent: #22c55e;
            --accent-dark: #16a34a;
            --accent-glow: rgba(34, 197, 94, 0.14);
            --gold: #eab308;
            --bg: #f4f8fb;
            --card-bg: #ffffff;
            --text: #12263a;
            --text-light: #5b7186;
            --border: #e2edf3;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(11, 31, 58, 0.06);
            --shadow-md: 0 6px 24px rgba(11, 31, 58, 0.08);
            --shadow-lg: 0 12px 40px rgba(11, 31, 58, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        /* ========== Reset / Base ========== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }

        body {
            font-family: "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", "Segoe UI", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: var(--accent-dark);
            transition: var(--transition);
        }

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

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

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

        ::selection {
            background: rgba(34, 197, 94, 0.2);
            color: var(--text);
        }

        .container-wrap {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 32px;
        }

        /* ========== 整体布局：左栏 + 主区 ========== */
        .app-wrapper {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: 280px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            z-index: 1050;
            padding: 28px 18px 32px;
            overflow-y: auto;
            border-right: 1px solid rgba(255, 255, 255, 0.06);
            box-shadow: 4px 0 24px rgba(11, 31, 58, 0.18);
        }

        .main-area {
            flex: 1;
            margin-left: 280px;
            display: flex;
            flex-direction: column;
            min-width: 0;
        }

        /* ========== Sidebar 品牌区 ========== */
        .brand-area {
            padding: 8px 8px 28px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 24px;
        }

        .brand-link {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .brand-mark {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 22px;
            color: #fff;
            flex-shrink: 0;
            box-shadow: 0 4px 16px rgba(34, 197, 94, 0.4);
        }

        .brand-text {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .brand-name {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            line-height: 1.3;
            letter-spacing: 0.02em;
        }

        .brand-tagline {
            font-size: 11px;
            color: rgba(255, 255, 255, 0.5);
            letter-spacing: 0.05em;
        }

        /* ========== Sidebar 导航 ========== */
        .nav-section-title {
            font-size: 12px;
            text-transform: uppercase;
            letter-spacing: 0.14em;
            color: rgba(255, 255, 255, 0.4);
            padding: 0 12px;
            margin-bottom: 12px;
            font-weight: 600;
        }

        .nav-link-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 13px 16px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.72);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            margin-bottom: 4px;
            border: 1px solid transparent;
        }

        .nav-link-item i {
            width: 20px;
            text-align: center;
            font-size: 16px;
            color: rgba(255, 255, 255, 0.45);
            transition: var(--transition);
        }

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

        .nav-link-item:hover i {
            color: var(--accent);
        }

        .nav-link-item.active {
            background: linear-gradient(135deg, rgba(34, 197, 94, 0.22), rgba(34, 197, 94, 0.08));
            color: #fff;
            border-color: rgba(34, 197, 94, 0.25);
            font-weight: 600;
            box-shadow: 0 4px 20px rgba(34, 197, 94, 0.1);
        }

        .nav-link-item.active i {
            color: var(--accent);
        }

        /* ========== 移动端顶栏 ========== */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1030;
            background: rgba(11, 31, 58, 0.96);
            backdrop-filter: blur(12px);
            padding: 12px 20px;
            align-items: center;
            gap: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .btn-menu {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: #fff;
            border-radius: 8px;
            padding: 8px 12px;
            font-size: 18px;
            transition: var(--transition);
        }

        .btn-menu:hover {
            background: rgba(255, 255, 255, 0.1);
            color: var(--accent);
        }

        .mobile-brand {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(11, 31, 58, 0.6);
            z-index: 1045;
            backdrop-filter: blur(4px);
        }

        .sidebar-overlay.show {
            display: block;
        }

        /* ========== 页面横幅 ========== */
        .page-hero {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(135deg, rgba(11, 31, 58, 0.94) 0%, rgba(11, 31, 58, 0.78) 45%, rgba(20, 42, 74, 0.88) 100%),
                url('/assets/images/backpic/back-2.png') center 35% / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            right: -80px;
            bottom: -80px;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.25), transparent 70%);
            pointer-events: none;
        }

        .hero-breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 18px;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 100px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.8);
            backdrop-filter: blur(8px);
            margin-bottom: 28px;
        }

        .hero-breadcrumb a {
            color: var(--gold);
        }

        .hero-breadcrumb a:hover {
            color: #fff;
        }

        .hero-breadcrumb .sep {
            opacity: 0.5;
        }

        .hero-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--accent);
            position: relative;
            display: inline-block;
        }

        .hero-title .highlight::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 4px;
            width: 100%;
            height: 8px;
            background: rgba(34, 197, 94, 0.25);
            border-radius: 4px;
            z-index: -1;
        }

        .hero-text {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            max-width: 640px;
            margin-bottom: 36px;
        }

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

        /* ========== 按钮 ========== */
        .btn {
            border-radius: 10px;
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            transition: var(--transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 1px solid transparent;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #fff;
            box-shadow: 0 6px 20px rgba(34, 197, 94, 0.3);
        }

        .btn-primary:hover,
        .btn-primary:focus {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(34, 197, 94, 0.4);
            color: #fff;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
        }

        .btn-outline-light {
            background: transparent;
            border-color: rgba(255, 255, 255, 0.35);
            color: #fff;
        }

        .btn-outline-light:hover,
        .btn-outline-light:focus {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ========== 通用板块 ========== */
        .section-block {
            padding: 88px 0;
        }

        .section-block.tinted {
            background: #fff;
            border-top: 1px solid var(--border);
            border-bottom: 1px solid var(--border);
        }

        .section-head {
            margin-bottom: 48px;
        }

        .section-head.center {
            text-align: center;
        }

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

        .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--accent-dark);
            padding: 6px 18px;
            background: var(--accent-glow);
            border-radius: 100px;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 14px;
            color: var(--text);
            letter-spacing: -0.02em;
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.8;
        }

        /* ========== 介绍区 ========== */
        .intro-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }

        .intro-image {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .intro-image img {
            width: 100%;
            height: 420px;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .intro-image:hover img {
            transform: scale(1.04);
        }

        .intro-image .image-badge {
            position: absolute;
            top: 20px;
            left: 20px;
            background: rgba(11, 31, 58, 0.85);
            backdrop-filter: blur(8px);
            color: #fff;
            padding: 10px 18px;
            border-radius: 100px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .intro-content h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 20px;
            line-height: 1.3;
        }

        .intro-content p {
            color: var(--text-light);
            font-size: 16px;
            line-height: 1.9;
            margin-bottom: 20px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 28px 0 0;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px dashed var(--border);
            font-size: 15px;
        }

        .feature-list li:last-child {
            border-bottom: none;
        }

        .feature-list li i {
            color: var(--accent);
            margin-top: 4px;
            font-size: 16px;
            width: 20px;
            text-align: center;
        }

        /* ========== 数据统计 ========== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            padding: 80px 0;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .stats-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.15), transparent 70%);
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            position: relative;
            z-index: 2;
        }

        .stat-item {
            text-align: center;
            padding: 36px 20px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            backdrop-filter: blur(6px);
            transition: var(--transition);
        }

        .stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-6px);
            border-color: rgba(34, 197, 94, 0.3);
        }

        .stat-number {
            font-size: 40px;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 10px;
        }

        /* ========== 内容卡片 ========== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 32px;
        }

        .guide-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }

        .guide-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(34, 197, 94, 0.2);
        }

        .card-media {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

        .card-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

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

        .card-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(11, 31, 58, 0.35), transparent 60%);
        }

        .card-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 3;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(8px);
            color: var(--text);
            font-size: 13px;
            font-weight: 700;
            padding: 6px 14px;
            border-radius: 100px;
            box-shadow: 0 4px 12px rgba(11, 31, 58, 0.15);
        }

        .card-body {
            padding: 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .card-body h3 {
            font-size: 21px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }

        .card-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            margin-bottom: 18px;
            flex: 1;
        }

        .card-meta {
            display: flex;
            gap: 16px;
            font-size: 13px;
            color: var(--text-light);
            padding-top: 16px;
            border-top: 1px solid var(--border);
        }

        .card-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .card-meta i {
            color: var(--accent);
        }

        .btn-link-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-dark);
            font-weight: 600;
            font-size: 14px;
            margin-top: 8px;
            transition: var(--transition);
        }

        .btn-link-more:hover {
            color: var(--text);
            gap: 10px;
        }

        /* ========== 执行路径 ========== */
        .plan-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step-counter;
        }

        .plan-step {
            position: relative;
            background: var(--card-bg);
            border-radius: var(--radius);
            padding: 36px 24px 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            text-align: center;
            transition: var(--transition);
        }

        .plan-step:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 197, 94, 0.25);
        }

        .step-icon {
            width: 66px;
            height: 66px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background: var(--accent-glow);
            border: 1px solid rgba(34, 197, 94, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-dark);
            font-size: 22px;
            position: relative;
        }

        .step-icon::after {
            counter-increment: step-counter;
            content: counter(step-counter);
            position: absolute;
            top: -4px;
            right: -4px;
            width: 26px;
            height: 26px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            font-size: 11px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid #fff;
        }

        .plan-step h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .plan-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== FAQ ========== */
        .faq-wrapper {
            max-width: 860px;
            margin: 0 auto;
        }

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

        .faq-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(34, 197, 94, 0.2);
        }

        .faq-question {
            width: 100%;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            background: #fff;
            border: none;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            text-align: left;
            cursor: pointer;
            transition: background 0.2s ease;
        }

        .faq-question:hover {
            background: #f8fafc;
        }

        .faq-question i {
            color: var(--accent);
            transition: var(--transition);
            flex-shrink: 0;
            font-size: 15px;
        }

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            color: var(--text-light);
            font-size: 15px;
            line-height: 1.8;
            transition: max-height 0.4s ease, padding 0.4s ease;
        }

        .faq-item.open .faq-answer {
            padding: 0 24px 22px;
            max-height: 400px;
        }

        /* ========== CTA ========== */
        .cta-section {
            padding: 96px 0;
            background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -100px;
            left: -60px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(34, 197, 94, 0.2), transparent 70%);
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -60px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(234, 179, 8, 0.12), transparent 70%);
        }

        .cta-inner {
            text-align: center;
            max-width: 700px;
            margin: 0 auto;
            position: relative;
            z-index: 2;
        }

        .cta-inner h2 {
            font-size: 32px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: var(--primary);
            padding: 36px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-links {
            display: flex;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            padding: 6px 16px;
            border-radius: 100px;
            transition: var(--transition);
        }

        .footer-links a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        .copyright {
            text-align: center;
            color: rgba(255, 255, 255, 0.4);
            font-size: 13px;
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199.98px) {
            .guide-grid {
                grid-template-columns: 1fr 1fr;
            }

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

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

        @media (max-width: 991.98px) {
            .sidebar {
                transform: translateX(-100%);
                transition: transform 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
                width: 280px;
            }

            .sidebar.open {
                transform: translateX(0);
            }

            .main-area {
                margin-left: 0;
            }

            .mobile-header {
                display: flex;
            }

            .page-hero {
                padding: 80px 0 64px;
            }

            .hero-title {
                font-size: 34px;
            }

            .intro-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .section-block {
                padding: 64px 0;
            }

            .container-wrap {
                padding: 0 20px;
            }
        }

        @media (max-width: 767.98px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }

            .plan-steps {
                grid-template-columns: 1fr;
            }

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

            .hero-title {
                font-size: 28px;
            }

            .hero-text {
                font-size: 15px;
            }

            .section-title {
                font-size: 26px;
            }

            .cta-inner h2 {
                font-size: 26px;
            }

            .stat-number {
                font-size: 32px;
            }

            .intro-image img {
                height: 260px;
            }
        }

        @media (max-width: 519.98px) {
            .stats-grid {
                grid-template-columns: 1fr;
            }

            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }

            .hero-actions .btn {
                justify-content: center;
            }

            .card-body {
                padding: 22px;
            }

            .container-wrap {
                padding: 0 16px;
            }

            .page-hero {
                padding: 56px 0 48px;
            }

            .section-block {
                padding: 52px 0;
            }

            .stat-item {
                padding: 28px 16px;
            }
        }

/* roulang page: category3 */
:root {
            --primary: #0ea5e9;
            --primary-light: #38bdf8;
            --primary-dark: #0369a1;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --dark-900: #0b1c2b;
            --dark-800: #102a3c;
            --dark-700: #173b4f;
            --body-bg: #f4f7fb;
            --surface: #ffffff;
            --text-main: #1e293b;
            --text-muted: #64748b;
            --border-soft: #e2e8f0;
            --shadow-sm: 0 4px 14px rgba(15,28,46,.06);
            --shadow-md: 0 10px 30px rgba(15,28,46,.08);
            --shadow-lg: 0 18px 44px rgba(15,28,46,.12);
            --radius-lg: 18px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --sidebar-width: 260px;
            --transition: .25s ease;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background: var(--body-bg);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }

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

        button,
        input {
            font-family: inherit;
        }

        .container-wrap {
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        .site-wrapper {
            display: flex;
            min-height: 100vh;
        }

        .sidebar {
            width: var(--sidebar-width);
            position: fixed;
            inset: 0 auto 0 0;
            background: linear-gradient(180deg, var(--dark-900) 0%, var(--dark-800) 60%, var(--dark-700) 100%);
            display: flex;
            flex-direction: column;
            padding: 28px 20px;
            z-index: 1080;
            overflow-y: auto;
        }

        .sidebar-brand {
            font-size: 1.25rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: .02em;
            padding: 0 12px 26px;
            display: flex;
            align-items: center;
            gap: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, .1);
            margin-bottom: 18px;
        }

        .sidebar-brand i {
            color: var(--accent-light);
            font-size: 1.4rem;
        }

        .sidebar-brand a {
            color: #fff;
        }

        .nav-section-title {
            font-size: .75rem;
            color: rgba(255, 255, 255, .45);
            text-transform: uppercase;
            letter-spacing: .14em;
            font-weight: 700;
            padding: 0 12px;
            margin-bottom: 12px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-link-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 16px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, .72);
            font-weight: 500;
            font-size: .95rem;
            white-space: nowrap;
            transition: var(--transition);
        }

        .nav-link-item i {
            width: 20px;
            text-align: center;
            font-size: 1rem;
        }

        .nav-link-item:hover {
            background: rgba(255, 255, 255, .08);
            color: #fff;
            transform: translateX(4px);
        }

        .nav-link-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(14, 165, 233, .35);
        }

        .sidebar-note {
            margin-top: auto;
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .1);
            border-radius: var(--radius-md);
            padding: 16px;
            color: rgba(255, 255, 255, .75);
            font-size: .85rem;
            line-height: 1.6;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .sidebar-note i {
            color: var(--accent-light);
            font-size: 1rem;
            margin-top: 2px;
        }

        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            display: flex;
            flex-direction: column;
            min-height: 100vh;
        }

        .content-section {
            padding: 80px 0;
        }

        .hero-section {
            position: relative;
            padding: 110px 0 100px;
            background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-800) 55%, var(--dark-700) 100%), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(100deg, rgba(11, 28, 43, .92) 0%, rgba(11, 28, 43, .65) 100%);
            pointer-events: none;
        }

        .hero-content {
            position: relative;
            z-index: 2;
            display: grid;
            grid-template-columns: 1fr 320px;
            gap: 48px;
            align-items: center;
        }

        .hero-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 165, 233, .18);
            border: 1px solid rgba(14, 165, 233, .35);
            border-radius: 50rem;
            padding: 6px 16px;
            font-size: .85rem;
            font-weight: 600;
            color: var(--primary-light);
            letter-spacing: .04em;
            margin-bottom: 20px;
        }

        .hero-copy h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: -.02em;
        }

        .hero-copy p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, .8);
            max-width: 560px;
            margin-bottom: 28px;
        }

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

        .hero-stats {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
        }

        .stat-card {
            background: rgba(255, 255, 255, .08);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
        }

        .stat-card:hover {
            transform: translateY(-4px);
            background: rgba(255, 255, 255, .14);
        }

        .stat-num {
            font-size: 1.9rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }

        .stat-label {
            font-size: .85rem;
            color: rgba(255, 255, 255, .65);
            margin-top: 4px;
        }

        .section-header {
            margin-bottom: 42px;
            max-width: 640px;
        }

        .section-header.center {
            margin-left: auto;
            margin-right: auto;
            text-align: center;
        }

        .section-eyebrow {
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: .12em;
            font-weight: 700;
            font-size: .82rem;
            margin-bottom: 8px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-main);
            letter-spacing: -.02em;
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .section-lead {
            color: var(--text-muted);
            font-size: 1rem;
        }

        .entry-card {
            position: relative;
            height: 100%;
            background: var(--surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 32px 28px 26px;
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease;
        }

        .entry-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .entry-card img.entry-bg {
            position: absolute;
            inset: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: .12;
            transition: opacity .3s ease;
        }

        .entry-card:hover img.entry-bg {
            opacity: .18;
        }

        .entry-icon {
            position: relative;
            width: 52px;
            height: 52px;
            border-radius: var(--radius-md);
            background: rgba(14, 165, 233, .12);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 22px;
        }

        .entry-card h3 {
            position: relative;
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-main);
        }

        .entry-card p {
            position: relative;
            color: var(--text-muted);
            font-size: .92rem;
            margin-bottom: 16px;
        }

        .entry-card .entry-link {
            position: relative;
            color: var(--primary);
            font-weight: 600;
            font-size: .9rem;
        }

        .entry-card .entry-link i {
            margin-left: 4px;
            transition: transform .25s ease;
        }

        .entry-card:hover .entry-link i {
            transform: translateX(4px);
        }

        .guide-card {
            border: none;
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            transition: transform .25s ease, box-shadow .25s ease;
            height: 100%;
        }

        .guide-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
        }

        .guide-card .card-img-top {
            height: 190px;
            object-fit: cover;
            border-radius: 0;
        }

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

        .guide-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
        }

        .badge {
            background: rgba(14, 165, 233, .12);
            color: var(--primary-dark);
            font-weight: 600;
            font-size: .78rem;
            border-radius: 50rem;
            padding: .45em .9em;
        }

        .guide-date {
            font-size: .78rem;
            color: var(--text-muted);
        }

        .guide-title {
            font-size: 1.08rem;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.45;
            margin-bottom: 10px;
        }

        .guide-title a {
            color: inherit;
        }

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

        .guide-desc {
            font-size: .9rem;
            color: var(--text-muted);
            margin-bottom: 18px;
            flex: 1;
        }

        .guide-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid var(--border-soft);
            padding-top: 14px;
            font-size: .82rem;
            color: var(--text-muted);
        }

        .guide-footer .read-more {
            color: var(--primary);
            font-weight: 600;
        }

        .guide-footer .read-more i {
            margin-left: 4px;
            transition: transform .25s ease;
        }

        .guide-footer .read-more:hover i {
            transform: translateX(4px);
        }

        .rating-card {
            background: linear-gradient(135deg, var(--dark-900) 0%, var(--dark-800) 100%);
            border-radius: var(--radius-lg);
            padding: 34px;
            color: #fff;
            box-shadow: var(--shadow-lg);
        }

        .rating-card .rating-title {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .rating-card .rating-sub {
            color: rgba(255, 255, 255, .6);
            font-size: .85rem;
            margin-bottom: 26px;
        }

        .score-row {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-bottom: 20px;
        }

        .score-label {
            width: 88px;
            font-size: .9rem;
            color: rgba(255, 255, 255, .72);
        }

        .score-bar {
            flex: 1;
            height: 8px;
            background: rgba(255, 255, 255, .1);
            border-radius: 50rem;
            overflow: hidden;
        }

        .score-fill {
            height: 100%;
            border-radius: 50rem;
            background: linear-gradient(90deg, var(--primary), var(--accent-light));
            width: 0;
        }

        .score-value {
            width: 44px;
            text-align: right;
            font-weight: 700;
            color: #fff;
        }

        .insight-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .insight-list li {
            position: relative;
            padding: 0 0 22px 42px;
            border-left: 2px solid var(--border-soft);
            margin-left: 8px;
            color: var(--text-main);
            font-size: .95rem;
        }

        .insight-list li:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }

        .insight-list li i {
            position: absolute;
            left: -14px;
            top: -2px;
            width: 28px;
            height: 28px;
            background: var(--surface);
            border: 2px solid var(--primary);
            border-radius: 50%;
            color: var(--primary);
            font-size: .9rem;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .process-section {
            background: var(--surface);
        }

        .step-card {
            background: var(--body-bg);
            border-radius: var(--radius-lg);
            padding: 30px 26px;
            height: 100%;
            border: 1px solid var(--border-soft);
            transition: var(--transition);
        }

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

        .step-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: rgba(14, 165, 233, .2);
            line-height: 1;
            margin-bottom: 18px;
            display: block;
        }

        .step-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-main);
        }

        .step-card p {
            font-size: .9rem;
            color: var(--text-muted);
            margin-bottom: 0;
        }

        .faq-list {
            max-width: 860px;
        }

        .faq-item {
            background: var(--surface);
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            padding: 0 22px;
            transition: box-shadow .25s ease, border-color .25s ease;
        }

        .faq-item[open] {
            border-color: rgba(14, 165, 233, .4);
            box-shadow: var(--shadow-md);
        }

        .faq-item summary {
            list-style: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary i {
            color: var(--primary);
            transition: transform .3s ease;
        }

        .faq-item[open] summary i {
            transform: rotate(180deg);
        }

        .faq-item p {
            padding: 0 0 20px;
            margin: 0;
            color: var(--text-muted);
            font-size: .92rem;
            line-height: 1.75;
        }

        .cta-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            padding: 80px 30px;
            text-align: center;
            color: #fff;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 28, 43, .9) 0%, rgba(14, 165, 233, .4) 100%);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 620px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 1.8rem;
            font-weight: 800;
            margin-bottom: 14px;
            line-height: 1.35;
        }

        .cta-content p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 28px;
            font-size: 1rem;
        }

        .site-footer {
            margin-top: auto;
            background: var(--surface);
            border-top: 1px solid var(--border-soft);
            padding: 30px 0;
            text-align: center;
        }

        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 24px;
            margin-bottom: 14px;
        }

        .footer-links a {
            color: var(--text-main);
            font-size: .92rem;
            font-weight: 500;
        }

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

        .copyright {
            color: var(--text-muted);
            font-size: .85rem;
        }

        .btn {
            border-radius: 50rem;
            padding: .7rem 1.5rem;
            font-weight: 600;
            transition: transform .2s ease, box-shadow .2s ease, background .2s ease;
        }

        .btn:hover {
            transform: translateY(-2px);
        }

        .btn-primary {
            --bs-btn-bg: var(--primary);
            --bs-btn-border-color: var(--primary);
            --bs-btn-hover-bg: var(--primary-light);
            --bs-btn-hover-border-color: var(--primary-light);
            --bs-btn-active-bg: var(--primary-dark);
            --bs-btn-active-border-color: var(--primary-dark);
            box-shadow: 0 8px 20px rgba(14, 165, 233, .25);
        }

        .btn-outline-light {
            --bs-btn-color: #fff;
            --bs-btn-border-color: rgba(255, 255, 255, .55);
            --bs-btn-hover-bg: rgba(255, 255, 255, .15);
            --bs-btn-hover-border-color: #fff;
            --bs-btn-hover-color: #fff;
        }

        .btn-light {
            --bs-btn-bg: #fff;
            --bs-btn-border-color: #fff;
            --bs-btn-hover-bg: var(--primary-light);
            --bs-btn-hover-border-color: var(--primary-light);
            --bs-btn-hover-color: #fff;
            box-shadow: 0 10px 28px rgba(0, 0, 0, .18);
        }

        @media (max-width: 991px) {
            .sidebar {
                position: static;
                width: 100%;
                height: auto;
                flex-direction: row;
                align-items: center;
                padding: 12px 16px;
                gap: 14px;
                overflow-x: auto;
                border-bottom: 1px solid rgba(255, 255, 255, .08);
            }

            .sidebar-brand {
                padding: 0;
                margin-bottom: 0;
                margin-right: 12px;
                font-size: 1.1rem;
                border-bottom: none;
                flex-shrink: 0;
            }

            .sidebar-brand i {
                font-size: 1.15rem;
            }

            .sidebar-nav {
                flex-direction: row;
                gap: 8px;
                overflow-x: auto;
                padding-bottom: 4px;
            }

            .nav-section-title,
            .sidebar-note {
                display: none;
            }

            .nav-link-item {
                padding: 8px 14px;
                margin-bottom: 0;
                white-space: nowrap;
                font-size: .88rem;
            }

            .nav-link-item:hover {
                transform: none;
            }

            .main-content {
                margin-left: 0;
            }

            .hero-section {
                padding: 80px 0;
            }

            .content-section {
                padding: 60px 0;
            }
        }

        @media (max-width: 767px) {
            .hero-content {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-copy h1 {
                font-size: 1.9rem;
            }

            .hero-stats {
                grid-template-columns: repeat(3, 1fr);
                gap: 12px;
            }

            .stat-card {
                padding: 16px;
            }

            .stat-num {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.6rem;
            }

            .rating-card {
                padding: 24px;
            }

            .insight-list li {
                padding-left: 36px;
            }

            .step-card {
                padding: 24px 20px;
            }
        }

        @media (max-width: 575px) {
            .container-wrap {
                padding: 0 18px;
            }

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

            .hero-actions .btn {
                width: 100%;
                text-align: center;
            }

            .hero-stats {
                grid-template-columns: 1fr;
            }

            .stat-card {
                flex-direction: row;
                align-items: baseline;
                justify-content: space-between;
                padding: 14px 18px;
            }

            .stat-label {
                margin-top: 0;
            }

            .guide-meta {
                flex-wrap: wrap;
                gap: 8px;
            }

            .guide-footer {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .cta-card {
                padding: 60px 20px;
            }

            .cta-content h2 {
                font-size: 1.4rem;
            }

            .footer-links {
                flex-direction: column;
                gap: 10px;
            }
        }