/* roulang page: index */
:root {
            --color-primary: #1a1f36;
            --color-primary-light: #242b45;
            --color-accent: #e63946;
            --color-accent-hover: #c1121f;
            --color-accent-soft: #ff6b6b;
            --color-gold: #f0a500;
            --color-gold-light: #ffc947;
            --color-surface: #ffffff;
            --color-surface-alt: #f7f8fc;
            --color-surface-dark: #1e2235;
            --color-text: #1a1f36;
            --color-text-soft: #5a5f72;
            --color-text-light: #8b8fa3;
            --color-text-on-dark: #e8e9f0;
            --color-border: #e2e5ee;
            --color-border-light: #eef0f5;
            --color-success: #10b981;
            --color-warning: #f59e0b;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 1px 3px rgba(26, 31, 54, 0.06);
            --shadow-md: 0 4px 16px rgba(26, 31, 54, 0.08);
            --shadow-lg: 0 8px 32px rgba(26, 31, 54, 0.12);
            --shadow-xl: 0 16px 48px rgba(26, 31, 54, 0.16);
            --sidebar-width: 250px;
            --topbar-height: 60px;
            --transition-fast: 0.15s ease;
            --transition-base: 0.25s ease;
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
            --font-heading: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            --font-body: 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
        }

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

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

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* Sidebar Navigation */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            box-shadow: 4px 0 24px rgba(0, 0, 0, 0.25);
            transition: transform var(--transition-smooth);
            overflow-y: auto;
            overflow-x: hidden;
        }
        .sidebar-brand {
            padding: 28px 24px 20px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
        }
        .sidebar-brand .brand-logo {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .sidebar-brand .brand-icon {
            width: 42px;
            height: 42px;
            background: var(--color-accent);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            font-weight: 700;
            flex-shrink: 0;
        }
        .sidebar-brand .brand-text {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.02em;
            line-height: 1.3;
        }
        .sidebar-nav {
            flex: 1;
            padding: 20px 16px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-section-title {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: rgba(255, 255, 255, 0.4);
            padding: 12px 12px 6px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            color: rgba(255, 255, 255, 0.75);
            font-size: 15px;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255, 255, 255, 0.08);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background: var(--color-accent);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }
        .sidebar-nav a .badge-pulse {
            margin-left: auto;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-gold);
            animation: pulse-dot 1.6s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 165, 0, 0.7);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(240, 165, 0, 0);
            }
        }
        .sidebar-footer {
            padding: 16px 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            flex-shrink: 0;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.45);
        }

        /* Mobile Topbar */
        .mobile-topbar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--topbar-height);
            background: var(--color-primary);
            z-index: 1035;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }
        .mobile-topbar .topbar-brand {
            font-family: var(--font-heading);
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.02em;
        }
        .mobile-topbar .menu-toggle {
            background: none;
            border: none;
            color: #fff;
            font-size: 22px;
            cursor: pointer;
            padding: 6px 8px;
            margin-right: 8px;
            border-radius: 6px;
            transition: background var(--transition-fast);
        }
        .mobile-topbar .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* Mobile Offcanvas */
        .mobile-offcanvas {
            visibility: hidden;
        }
        .mobile-offcanvas.show {
            visibility: visible;
        }

        /* Main Content Area */
        .main-wrapper {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            transition: margin var(--transition-smooth);
        }
        .main-content {
            flex: 1;
        }

        /* Container override */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }
        @media (max-width: 1200px) {
            .content-container {
                max-width: 960px;
                padding: 0 24px;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            background: var(--color-primary);
            background-image: linear-gradient(180deg, rgba(26, 31, 54, 0.72) 0%, rgba(26, 31, 54, 0.88) 60%, rgba(26, 31, 54, 0.96) 100%), url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 520px;
            display: flex;
            align-items: center;
            padding: 80px 0 70px;
            color: #fff;
            overflow: hidden;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, var(--color-surface-alt) 0%, transparent 100%);
            z-index: 2;
        }
        .hero-inner {
            position: relative;
            z-index: 3;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.22);
            color: #fff;
            padding: 7px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            backdrop-filter: blur(4px);
        }
        .hero-badge i {
            color: var(--color-gold-light);
            margin-right: 6px;
        }
        .hero-title {
            font-family: var(--font-heading);
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: 0.01em;
            margin-bottom: 16px;
            color: #ffffff;
        }
        .hero-title .highlight {
            color: var(--color-accent-soft);
            position: relative;
        }
        .hero-desc {
            font-size: 17px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.8);
            max-width: 580px;
            margin-bottom: 28px;
        }
        .hero-stats-row {
            display: flex;
            gap: 36px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-stat {
            text-align: left;
        }
        .hero-stat .stat-number {
            font-size: 32px;
            font-weight: 800;
            color: var(--color-gold-light);
            letter-spacing: 0.02em;
            line-height: 1;
        }
        .hero-stat .stat-label {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
        }
        .btn-hero-primary {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: none;
            cursor: pointer;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
            text-decoration: none;
        }
        .btn-hero-primary:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 57, 70, 0.5);
        }
        .btn-hero-outline {
            display: inline-block;
            background: transparent;
            color: #fff;
            padding: 14px 34px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 2px solid rgba(255, 255, 255, 0.4);
            cursor: pointer;
            transition: all var(--transition-base);
            text-decoration: none;
            margin-left: 12px;
        }
        .btn-hero-outline:hover {
            border-color: #fff;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        /* Section Common */
        .section-block {
            padding: 64px 0;
        }
        .section-header {
            margin-bottom: 40px;
        }
        .section-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--color-accent);
            background: rgba(230, 57, 70, 0.08);
            padding: 5px 14px;
            border-radius: 50px;
            margin-bottom: 10px;
        }
        .section-title {
            font-family: var(--font-heading);
            font-size: 30px;
            font-weight: 700;
            color: var(--color-text);
            letter-spacing: 0.01em;
            margin-bottom: 8px;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-soft);
            max-width: 520px;
        }

        /* Feature Cards */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }
        .feature-card .fc-icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 16px;
            color: #fff;
            flex-shrink: 0;
        }
        .fc-icon-red {
            background: var(--color-accent);
        }
        .fc-icon-gold {
            background: var(--color-gold);
        }
        .fc-icon-dark {
            background: var(--color-primary-light);
        }
        .fc-icon-green {
            background: var(--color-success);
        }
        .feature-card h3 {
            font-family: var(--font-heading);
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--color-text);
        }
        .feature-card p {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.6;
            margin: 0;
        }
        .feature-card .fc-badge {
            position: absolute;
            top: 16px;
            right: 16px;
            font-size: 11px;
            font-weight: 700;
            background: var(--color-gold-light);
            color: #7a5c00;
            padding: 3px 10px;
            border-radius: 50px;
            letter-spacing: 0.04em;
        }

        /* Category Entry Cards */
        .cat-entry-card {
            display: block;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            text-decoration: none;
            color: inherit;
            height: 100%;
        }
        .cat-entry-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            color: inherit;
            border-color: transparent;
        }
        .cat-entry-card .cat-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
        }
        .cat-entry-card .cat-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-smooth);
        }
        .cat-entry-card:hover .cat-img-wrap img {
            transform: scale(1.06);
        }
        .cat-entry-card .cat-img-overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60px;
            background: linear-gradient(to top, rgba(0, 0, 0, 0.5) 0%, transparent 100%);
        }
        .cat-entry-card .cat-body {
            padding: 20px;
        }
        .cat-entry-card .cat-body h3 {
            font-family: var(--font-heading);
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }
        .cat-entry-card .cat-body p {
            font-size: 13px;
            color: var(--color-text-soft);
            margin: 0;
            line-height: 1.5;
        }
        .cat-entry-card .cat-arrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 600;
            color: var(--color-accent);
            margin-top: 10px;
            transition: gap var(--transition-fast);
        }
        .cat-entry-card:hover .cat-arrow {
            gap: 10px;
        }

        /* Hot List / Ranking */
        .hot-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            margin-bottom: 10px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
        }
        .hot-list-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .hot-rank-num {
            font-size: 22px;
            font-weight: 800;
            color: var(--color-accent);
            width: 36px;
            text-align: center;
            flex-shrink: 0;
            font-family: var(--font-heading);
        }
        .hot-rank-num.top1 {
            color: #f0a500;
            font-size: 26px;
        }
        .hot-rank-num.top2 {
            color: #c0c0c0;
            font-size: 24px;
        }
        .hot-rank-num.top3 {
            color: #cd7f32;
            font-size: 23px;
        }
        .hot-list-info {
            flex: 1;
            min-width: 0;
        }
        .hot-list-info .hot-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .hot-list-info .hot-meta {
            font-size: 12px;
            color: var(--color-text-light);
            margin-top: 2px;
        }
        .hot-tag {
            display: inline-block;
            padding: 4px 10px;
            border-radius: 50px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.03em;
            flex-shrink: 0;
        }
        .hot-tag-fire {
            background: #fef2f2;
            color: #dc2626;
        }
        .hot-tag-new {
            background: #ecfdf5;
            color: #059669;
        }
        .hot-tag-trend {
            background: #fffbeb;
            color: #d97706;
        }

        /* CMS News List */
        .news-list-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 6px 20px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
        }
        .news-list-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            text-decoration: none;
            color: inherit;
        }
        .news-list-item:last-child {
            border-bottom: none;
        }
        .news-list-item:hover {
            color: inherit;
            padding-left: 8px;
        }
        .news-list-item .news-thumb {
            width: 80px;
            height: 56px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--color-surface-alt);
        }
        .news-list-item .news-info {
            flex: 1;
            min-width: 0;
        }
        .news-list-item .news-info .news-title {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin-bottom: 4px;
            transition: color var(--transition-fast);
        }
        .news-list-item:hover .news-title {
            color: var(--color-accent);
        }
        .news-list-item .news-info .news-meta-row {
            display: flex;
            gap: 14px;
            font-size: 12px;
            color: var(--color-text-light);
            flex-wrap: wrap;
        }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--color-text-light);
            font-size: 14px;
        }

        /* Trust / Social Proof */
        .trust-strip {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
        }
        .trust-item {
            text-align: center;
            flex: 1;
            min-width: 120px;
        }
        .trust-item .trust-icon {
            font-size: 28px;
            color: var(--color-gold);
            margin-bottom: 8px;
        }
        .trust-item .trust-value {
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text);
            font-family: var(--font-heading);
        }
        .trust-item .trust-label {
            font-size: 12px;
            color: var(--color-text-soft);
            margin-top: 2px;
        }

        /* FAQ */
        .faq-wrap .accordion-item {
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: var(--color-surface);
        }
        .faq-wrap .accordion-button {
            font-weight: 600;
            font-size: 15px;
            color: var(--color-text);
            background: var(--color-surface);
            padding: 18px 22px;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
            transition: all var(--transition-fast);
        }
        .faq-wrap .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: #fef5f5;
            box-shadow: none;
        }
        .faq-wrap .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .faq-wrap .accordion-body {
            font-size: 14px;
            color: var(--color-text-soft);
            padding: 18px 22px 22px;
            line-height: 1.7;
        }

        /* CTA Section */
        .cta-section {
            background: var(--color-primary);
            background-image: linear-gradient(135deg, rgba(26, 31, 54, 0.92) 0%, rgba(36, 43, 69, 0.94) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            padding: 50px 40px;
            text-align: center;
            color: #fff;
            box-shadow: var(--shadow-xl);
        }
        .cta-section h2 {
            font-family: var(--font-heading);
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 500px;
            margin: 0 auto 24px;
        }
        .btn-cta {
            display: inline-block;
            background: var(--color-accent);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-size: 16px;
            font-weight: 600;
            letter-spacing: 0.02em;
            text-decoration: none;
            transition: all var(--transition-base);
            box-shadow: 0 6px 20px rgba(230, 57, 70, 0.4);
            border: none;
            cursor: pointer;
        }
        .btn-cta:hover {
            background: var(--color-accent-hover);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(230, 57, 70, 0.5);
        }

        /* Footer */
        .site-footer {
            background: var(--color-primary);
            color: rgba(255, 255, 255, 0.7);
            padding: 40px 0 28px;
            margin-top: auto;
        }
        .site-footer .footer-brand {
            font-family: var(--font-heading);
            font-weight: 700;
            font-size: 17px;
            color: #fff;
            margin-bottom: 8px;
        }
        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 13px;
        }
        .site-footer .footer-links a {
            color: rgba(255, 255, 255, 0.6);
            transition: color var(--transition-fast);
        }
        .site-footer .footer-links a:hover {
            color: #fff;
        }
        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 24px;
            padding-top: 18px;
            font-size: 12px;
            color: rgba(255, 255, 255, 0.4);
        }

        /* Back to top */
        .back-to-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-accent);
            color: #fff;
            border: none;
            cursor: pointer;
            font-size: 18px;
            z-index: 999;
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            transition: all var(--transition-base);
            display: flex;
            align-items: center;
            justify-content: center;
            opacity: 0;
            pointer-events: none;
            transform: translateY(10px);
        }
        .back-to-top.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }
        .back-to-top:hover {
            background: var(--color-accent-hover);
            transform: translateY(-3px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.45);
        }

        /* Progress / Timeline accent */
        .progress-custom {
            height: 6px;
            border-radius: 3px;
            background: var(--color-border-light);
            overflow: hidden;
        }
        .progress-custom .progress-fill {
            height: 100%;
            border-radius: 3px;
            background: var(--color-accent);
            transition: width 1s ease;
        }

        /* Responsive */
        @media (max-width: 992px) {
            .app-sidebar {
                transform: translateX(-100%);
            }
            .app-sidebar.mobile-open {
                transform: translateX(0);
            }
            .mobile-topbar {
                display: flex;
            }
            .mobile-offcanvas {
                position: fixed;
                top: 0;
                left: 0;
                width: var(--sidebar-width);
                height: 100vh;
                background: var(--color-primary);
                z-index: 1050;
                transform: translateX(-100%);
                transition: transform var(--transition-smooth);
                overflow-y: auto;
                display: flex;
                flex-direction: column;
                visibility: visible;
            }
            .mobile-offcanvas.show {
                transform: translateX(0);
            }
            .mobile-offcanvas .sidebar-brand {
                padding: 24px 20px 16px;
            }
            .mobile-offcanvas .sidebar-nav {
                padding: 16px 14px;
            }
            .mobile-offcanvas .sidebar-footer {
                padding: 14px 20px;
                font-size: 11px;
            }
            .mobile-offcanvas-backdrop {
                position: fixed;
                inset: 0;
                background: rgba(0, 0, 0, 0.5);
                z-index: 1045;
                opacity: 0;
                pointer-events: none;
                transition: opacity var(--transition-base);
            }
            .mobile-offcanvas-backdrop.show {
                opacity: 1;
                pointer-events: auto;
            }
            .main-wrapper {
                margin-left: 0;
                padding-top: var(--topbar-height);
            }
            .hero-section {
                min-height: 420px;
                padding: 50px 0 50px;
            }
            .hero-title {
                font-size: 30px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .hero-stats-row {
                gap: 20px;
            }
            .hero-stat .stat-number {
                font-size: 24px;
            }
            .section-block {
                padding: 44px 0;
            }
            .section-title {
                font-size: 24px;
            }
            .cta-section {
                padding: 36px 24px;
                border-radius: var(--radius-lg);
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .trust-strip {
                gap: 16px;
                padding: 24px 16px;
            }
            .btn-hero-outline {
                margin-left: 0;
                margin-top: 10px;
            }
            .back-to-top {
                bottom: 20px;
                right: 16px;
                width: 38px;
                height: 38px;
                font-size: 16px;
            }
        }
        @media (max-width: 576px) {
            .content-container {
                padding: 0 16px;
            }
            .hero-title {
                font-size: 25px;
            }
            .hero-section {
                min-height: 360px;
                padding: 40px 0 40px;
            }
            .hero-stats-row {
                gap: 14px;
            }
            .hero-stat .stat-number {
                font-size: 20px;
            }
            .hero-stat .stat-label {
                font-size: 11px;
            }
            .section-title {
                font-size: 21px;
            }
            .feature-card {
                padding: 20px 16px;
            }
            .feature-card h3 {
                font-size: 16px;
            }
            .cat-entry-card .cat-img-wrap {
                height: 160px;
            }
            .cta-section {
                padding: 28px 18px;
            }
            .cta-section h2 {
                font-size: 20px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .news-list-item .news-thumb {
                width: 100%;
                height: 140px;
            }
            .site-footer {
                padding: 28px 0 20px;
            }
        }

/* roulang page: article */
:root {
            --sidebar-width: 260px;
            --primary: #ff4d4f;
            --primary-dark: #cf1322;
            --primary-light: #ffccc7;
            --bg-dark: #0d1117;
            --bg-section: #161b22;
            --text-primary: #c9d1d9;
            --text-secondary: #8b949e;
            --border-color: #30363d;
            --card-bg: #1c2128;
            --hover-bg: #21262d;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.5);
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --transition: 0.2s ease;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
            background-color: #0d1117;
            color: #e6edf3;
            margin: 0;
            padding: 0;
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--primary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover { color: var(--primary-light); }
        h1, h2, h3, h4 { color: #ffffff; font-weight: 600; }
        .content-area {
            margin-left: 0;
            transition: margin-left 0.3s ease;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        /* Sidebar - Offcanvas */
        .offcanvas-start {
            width: var(--sidebar-width) !important;
            background-color: var(--bg-dark);
            border-right: 1px solid var(--border-color);
            transform: translateX(-100%);
            visibility: hidden;
            transition: transform 0.3s ease-in-out, visibility 0.3s;
        }
        .offcanvas-start.show {
            transform: translateX(0) !important;
            visibility: visible !important;
        }
        .offcanvas-backdrop { background-color: rgba(0,0,0,0.6); }
        .sidebar-brand {
            padding: 24px 20px;
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            border-bottom: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .sidebar-brand i { font-size: 1.8rem; color: var(--primary); }
        .sidebar-nav { padding: 16px 12px; }
        .sidebar-nav .nav-section-title {
            display: block;
            font-size: 0.7rem;
            text-transform: uppercase;
            letter-spacing: 1px;
            color: var(--text-secondary);
            padding: 8px 12px 12px;
            margin-top: 8px;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-weight: 500;
            transition: background var(--transition), color var(--transition);
            margin-bottom: 2px;
            position: relative;
        }
        .sidebar-nav a:hover {
            background-color: var(--hover-bg);
            color: #ffffff;
        }
        .sidebar-nav a.active {
            background-color: rgba(255,77,79,0.15);
            color: var(--primary);
        }
        .sidebar-nav a.active::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 3px;
            height: 20px;
            background: var(--primary);
            border-radius: 0 3px 3px 0;
        }
        .badge-pulse {
            width: 10px;
            height: 10px;
            background: var(--primary);
            border-radius: 50%;
            display: inline-block;
            margin-left: auto;
            animation: pulse 1.8s infinite;
        }
        @keyframes pulse {
            0% { box-shadow: 0 0 0 0 rgba(255,77,79,0.6); }
            70% { box-shadow: 0 0 0 8px rgba(255,77,79,0); }
            100% { box-shadow: 0 0 0 0 rgba(255,77,79,0); }
        }
        /* Desktop sidebar permanently visible */
        @media (min-width: 992px) {
            .offcanvas-start {
                transform: translateX(0) !important;
                visibility: visible !important;
                position: fixed;
                top: 0;
                left: 0;
                bottom: 0;
                z-index: 1020;
            }
            .offcanvas-backdrop { display: none !important; }
            .content-area {
                margin-left: var(--sidebar-width);
            }
            .sidebar-toggler { display: none !important; }
        }
        /* Top bar for mobile */
        .top-bar-mobile {
            background-color: var(--bg-dark);
            border-bottom: 1px solid var(--border-color);
            padding: 12px 16px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            position: sticky;
            top: 0;
            z-index: 1030;
        }
        .top-bar-mobile .brand-text {
            font-size: 1.3rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .top-bar-mobile .brand-text i { color: var(--primary); }
        .sidebar-toggler {
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            padding: 4px 8px;
            cursor: pointer;
        }
        @media (min-width: 992px) {
            .top-bar-mobile { display: none; }
        }
        /* Article Banner */
        .article-hero {
            background: linear-gradient(135deg, rgba(13,17,23,0.85) 0%, rgba(22,27,34,0.9) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            padding: 80px 24px 60px;
            text-align: center;
            position: relative;
            border-bottom: 1px solid var(--border-color);
        }
        .article-hero .category-badge {
            display: inline-block;
            background: var(--primary);
            color: #fff;
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.8rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
            text-transform: capitalize;
        }
        .article-hero h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 20px;
            line-height: 1.3;
            text-shadow: 0 2px 8px rgba(0,0,0,0.6);
        }
        .article-meta {
            font-size: 0.95rem;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }
        .article-meta span i { margin-right: 6px; }
        /* Article Content */
        .article-body {
            max-width: 860px;
            margin: 0 auto;
            padding: 48px 24px;
            font-size: 1.1rem;
            line-height: 1.8;
            color: #e6edf3;
        }
        .article-body h2 {
            font-size: 1.75rem;
            margin-top: 40px;
            margin-bottom: 16px;
            border-left: 4px solid var(--primary);
            padding-left: 16px;
        }
        .article-body h3 {
            font-size: 1.4rem;
            margin-top: 32px;
            margin-bottom: 12px;
            color: var(--primary-light);
        }
        .article-body p {
            margin-bottom: 20px;
        }
        .article-body img {
            max-width: 100%;
            height: auto;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-md);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 20px;
            padding-left: 24px;
        }
        .article-body li { margin-bottom: 8px; }
        .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: rgba(255,77,79,0.05);
            padding: 16px 24px;
            margin: 24px 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--text-secondary);
            font-style: italic;
        }
        .not-found-message {
            text-align: center;
            padding: 100px 24px;
            color: var(--text-secondary);
        }
        .not-found-message h2 { margin-bottom: 16px; }
        .btn-primary-custom {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            padding: 10px 28px;
            border-radius: 30px;
            font-weight: 600;
            transition: all 0.3s ease;
            box-shadow: 0 4px 12px rgba(255,77,79,0.4);
        }
        .btn-primary-custom:hover {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(255,77,79,0.5);
        }
        /* Related navigation */
        .related-links {
            background-color: var(--bg-section);
            padding: 48px 24px;
            border-top: 1px solid var(--border-color);
        }
        .related-links .section-title {
            text-align: center;
            font-size: 1.8rem;
            margin-bottom: 32px;
            color: #ffffff;
        }
        .link-card {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: center;
            transition: transform 0.25s, box-shadow 0.25s;
            border: 1px solid var(--border-color);
            height: 100%;
        }
        .link-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: var(--primary);
        }
        .link-card i {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .link-card h4 { margin-bottom: 8px; font-size: 1.3rem; }
        .link-card p { color: var(--text-secondary); font-size: 0.95rem; }
        /* Footer */
        .site-footer {
            background-color: #0d1117;
            border-top: 1px solid var(--border-color);
            padding: 32px 24px;
            margin-top: auto;
        }
        .site-footer .footer-brand { font-size: 1.4rem; font-weight: 700; color: #fff; }
        .footer-links { display: flex; gap: 20px; flex-wrap: wrap; }
        .footer-links a { color: var(--text-secondary); font-size: 0.9rem; }
        .footer-links a:hover { color: var(--primary); }
        .footer-bottom {
            margin-top: 24px;
            padding-top: 20px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-secondary);
        }
        @media (max-width: 767px) {
            .article-hero h1 { font-size: 1.8rem; }
            .article-body { padding: 28px 16px; font-size: 1rem; }
            .related-links { padding: 32px 16px; }
        }

/* roulang page: category1 */
:root {
            --color-primary: #f0b90b;
            --color-primary-hover: #d4a30a;
            --color-accent: #ff6b35;
            --color-bg-dark: #0a0e1a;
            --color-bg-card: #111827;
            --color-bg-surface: #161b2a;
            --color-bg-nav: #0c1020;
            --color-text: #e8eaed;
            --color-text-secondary: #9ca3af;
            --color-text-muted: #6b7280;
            --color-border: rgba(255,255,255,0.08);
            --color-border-light: rgba(255,255,255,0.14);
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --color-hot: #ff4757;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 6px 20px rgba(0,0,0,0.4);
            --shadow-lg: 0 12px 36px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px rgba(240,185,11,0.15);
            --sidebar-width: 240px;
            --header-height: 0px;
            --transition-fast: 0.18s ease;
            --transition-normal: 0.28s ease;
            --font-mono: 'SF Mono', 'Consolas', 'Monaco', monospace;
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', sans-serif;
            font-size: 15px;
            line-height: 1.68;
            color: var(--color-text);
            background-color: var(--color-bg-dark);
            overflow-x: hidden;
            display: flex;
            min-height: 100vh;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        h1,h2,h3,h4,h5,h6 {
            margin: 0;
            line-height: 1.3;
            font-weight: 700;
        }

        /* ===== 左侧导航 ===== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-bg-nav);
            border-right: 1px solid var(--color-border);
            z-index: 1050;
            display: flex;
            flex-direction: column;
            padding: 20px 14px 30px 14px;
            overflow-y: auto;
            transition: transform var(--transition-normal), box-shadow var(--transition-normal);
        }
        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 8px 10px 20px 10px;
            margin-bottom: 10px;
            border-bottom: 1px solid var(--color-border);
            font-weight: 700;
            font-size: 18px;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .sidebar-logo .logo-dot {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: linear-gradient(135deg, var(--color-primary), var(--color-accent));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: #0a0e1a;
            flex-shrink: 0;
        }
        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-nav .nav-section-title {
            font-size: 11px;
            text-transform: uppercase;
            letter-spacing: 1.2px;
            color: var(--color-text-muted);
            padding: 14px 10px 8px 10px;
            font-weight: 600;
        }
        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-sm);
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }
        .sidebar-nav a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 15px;
            flex-shrink: 0;
        }
        .sidebar-nav a:hover {
            background: rgba(255,255,255,0.04);
            color: var(--color-text);
        }
        .sidebar-nav a.active {
            background: rgba(240,185,11,0.10);
            color: var(--color-primary);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-primary);
            border-radius: var(--radius-sm) var(--radius-sm) var(--radius-sm) 2px;
        }
        .badge-pulse {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--color-hot);
            margin-left: auto;
            animation: pulse-dot 1.6s ease-in-out infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.5); }
        }
        .sidebar-footer-tag {
            margin-top: auto;
            padding: 16px 10px 0 10px;
            font-size: 11px;
            color: var(--color-text-muted);
            text-align: center;
            border-top: 1px solid var(--color-border);
            letter-spacing: 0.5px;
        }

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

        /* ===== Hero ===== */
        .hero-section {
            position: relative;
            padding: 70px 40px 70px 40px;
            background: linear-gradient(160deg, #0c1125 0%, #0a0e1a 40%, #111827 100%);
            overflow: hidden;
        }
        .hero-bg-image {
            position: absolute;
            top: 0;
            right: 0;
            width: 55%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.webp') center / cover no-repeat;
            opacity: 0.22;
            mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
        }
        .hero-glow {
            position: absolute;
            top: -80px;
            right: 10%;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(240,185,11,0.10) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-inner {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            background: rgba(240,185,11,0.12);
            border: 1px solid rgba(240,185,11,0.25);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 20px;
        }
        .hero-badge .blink-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-primary);
            animation: pulse-dot 1.2s ease-in-out infinite;
        }
        .hero-title {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 14px;
            letter-spacing: 0.3px;
            line-height: 1.25;
        }
        .hero-title .highlight {
            color: var(--color-primary);
        }
        .hero-subtitle {
            font-size: 1.05rem;
            color: var(--color-text-secondary);
            max-width: 580px;
            margin-bottom: 28px;
            line-height: 1.7;
        }
        .hero-stats-row {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 24px;
        }
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        .hero-stat-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-primary);
            line-height: 1.1;
        }
        .hero-stat-label {
            font-size: 12px;
            color: var(--color-text-muted);
            letter-spacing: 0.5px;
        }
        .btn-cta-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--color-primary), #d4a30a);
            color: #0a0e1a;
            font-weight: 700;
            font-size: 15px;
            padding: 13px 30px;
            border-radius: 30px;
            border: none;
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
            box-shadow: 0 4px 18px rgba(240,185,11,0.25);
        }
        .btn-cta-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(240,185,11,0.4);
            color: #0a0e1a;
        }
        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            border: 2px solid rgba(255,255,255,0.35);
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: 30px;
            cursor: pointer;
            transition: all var(--transition-normal);
            letter-spacing: 0.5px;
        }
        .btn-outline-light-custom:hover {
            border-color: var(--color-primary);
            color: var(--color-primary);
            background: rgba(240,185,11,0.06);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 60px 40px;
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-primary);
            margin-bottom: 10px;
        }
        .section-heading {
            font-size: clamp(1.5rem, 2.8vw, 2rem);
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 12px;
            letter-spacing: 0.3px;
        }
        .section-subheading {
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin-bottom: 36px;
            line-height: 1.65;
        }

        /* ===== 热度榜单板块 ===== */
        .hot-list-section {
            background: var(--color-bg-surface);
        }
        .hot-list-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: all var(--transition-fast);
            margin-bottom: 10px;
        }
        .hot-list-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-sm);
            transform: translateX(3px);
        }
        .hot-rank-badge {
            width: 36px;
            height: 36px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 15px;
            flex-shrink: 0;
        }
        .hot-rank-1 { background: linear-gradient(135deg, #f0b90b, #ff8c00); color: #0a0e1a; }
        .hot-rank-2 { background: linear-gradient(135deg, #c0c0c0, #9e9e9e); color: #0a0e1a; }
        .hot-rank-3 { background: linear-gradient(135deg, #cd7f32, #a0522d); color: #fff; }
        .hot-rank-normal { background: rgba(255,255,255,0.06); color: var(--color-text-secondary); }
        .hot-event-info { flex: 1; min-width: 0; }
        .hot-event-name { font-weight: 700; font-size: 14px; color: #ffffff; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
        .hot-event-meta { font-size: 12px; color: var(--color-text-muted); margin-top: 2px; }
        .hot-tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }
        .hot-tag-live { background: rgba(239,68,68,0.2); color: #ef4444; animation: pulse-dot 1.6s ease-in-out infinite; }
        .hot-tag-upcoming { background: rgba(59,130,246,0.2); color: #60a5fa; }
        .hot-tag-hot { background: rgba(255,107,53,0.2); color: #ff6b35; }

        /* ===== 卖点序列卡片 ===== */
        .feature-sequence {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .feature-seq-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            position: relative;
            transition: all var(--transition-normal);
            overflow: hidden;
        }
        .feature-seq-card:hover {
            border-color: var(--color-border-light);
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }
        .feature-seq-card .seq-number {
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 4rem;
            font-weight: 900;
            color: rgba(240,185,11,0.06);
            line-height: 1;
            pointer-events: none;
        }
        .feature-seq-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(240,185,11,0.12);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--color-primary);
            margin-bottom: 16px;
        }
        .feature-seq-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 8px;
        }
        .feature-seq-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 赛事类型网格 ===== */
        .event-type-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 16px;
        }
        .event-type-card {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md);
            padding: 20px 18px;
            text-align: center;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .event-type-card:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-glow);
        }
        .event-type-icon {
            font-size: 32px;
            margin-bottom: 10px;
        }
        .event-type-card h5 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .event-type-card .count-badge {
            font-size: 11px;
            color: var(--color-text-muted);
        }

        /* ===== 流程进度条 ===== */
        .process-steps {
            display: flex;
            gap: 0;
            align-items: flex-start;
            flex-wrap: wrap;
            position: relative;
        }
        .process-step {
            flex: 1;
            min-width: 180px;
            text-align: center;
            position: relative;
            padding: 0 16px 30px 16px;
        }
        .process-step::after {
            content: '';
            position: absolute;
            top: 22px;
            left: calc(50% + 20px);
            width: calc(100% - 40px);
            height: 3px;
            background: var(--color-border);
            z-index: 0;
        }
        .process-step:last-child::after {
            display: none;
        }
        .process-dot {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-bg-card);
            border: 3px solid var(--color-border);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px auto;
            position: relative;
            z-index: 1;
            font-weight: 800;
            font-size: 16px;
            color: var(--color-primary);
            transition: all var(--transition-fast);
        }
        .process-step:hover .process-dot {
            border-color: var(--color-primary);
            box-shadow: 0 0 18px rgba(240,185,11,0.25);
        }
        .process-step h5 {
            font-size: 14px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .process-step p {
            font-size: 12px;
            color: var(--color-text-muted);
            margin: 0;
        }

        /* ===== 数据统计区 ===== */
        .stats-strip {
            display: flex;
            gap: 30px;
            flex-wrap: wrap;
            justify-content: center;
            padding: 30px 0;
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }
        .stats-strip-item {
            text-align: center;
            min-width: 120px;
        }
        .stats-strip-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--color-primary);
            line-height: 1;
        }
        .stats-strip-label {
            font-size: 12px;
            color: var(--color-text-muted);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        /* ===== FAQ ===== */
        .faq-list .accordion-item {
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
        }
        .faq-list .accordion-button {
            background: transparent;
            color: #ffffff;
            font-weight: 600;
            font-size: 14px;
            box-shadow: none;
            padding: 16px 20px;
            border-radius: var(--radius-md) !important;
        }
        .faq-list .accordion-button::after {
            filter: brightness(2);
        }
        .faq-list .accordion-button:not(.collapsed) {
            background: rgba(240,185,11,0.06);
            color: var(--color-primary);
            box-shadow: none;
        }
        .faq-list .accordion-body {
            color: var(--color-text-secondary);
            font-size: 13px;
            line-height: 1.7;
            padding: 6px 20px 18px 20px;
        }

        /* ===== CTA区块 ===== */
        .cta-section {
            background: linear-gradient(140deg, #111827 0%, #0f1628 60%, #0a0e1a 100%);
            border-top: 1px solid var(--color-border);
            border-bottom: 1px solid var(--color-border);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080c18;
            border-top: 1px solid var(--color-border);
            padding: 28px 0 20px 0;
            margin-top: 0;
        }
        .site-footer .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .footer-brand {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-primary);
            letter-spacing: 0.5px;
            margin-bottom: 2px;
        }
        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-links a {
            font-size: 13px;
            color: rgba(255,255,255,0.55);
            transition: color var(--transition-fast);
        }
        .footer-links a:hover {
            color: var(--color-primary);
        }
        .footer-bottom {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.06);
            font-size: 12px;
            color: rgba(255,255,255,0.35);
        }

        /* ===== 移动端侧边栏覆盖 ===== */
        .mobile-nav-toggle {
            display: none;
            position: fixed;
            top: 14px;
            left: 14px;
            z-index: 1100;
            background: var(--color-bg-card);
            border: 1px solid var(--color-border);
            color: #ffffff;
            width: 40px;
            height: 40px;
            border-radius: 8px;
            cursor: pointer;
            font-size: 18px;
            align-items: center;
            justify-content: center;
        }
        .sidebar-overlay {
            display: none;
            position: fixed;
            inset: 0;
            background: rgba(0,0,0,0.6);
            z-index: 1040;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            :root {
                --sidebar-width: 220px;
            }
            .section-block {
                padding: 44px 24px;
            }
            .hero-section {
                padding: 50px 24px;
            }
            .hero-bg-image {
                width: 70%;
                opacity: 0.16;
            }
            .feature-sequence {
                grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            }
        }
        @media (max-width: 768px) {
            .app-sidebar {
                transform: translateX(-100%);
                box-shadow: none;
                width: 260px;
            }
            .app-sidebar.open {
                transform: translateX(0);
                box-shadow: var(--shadow-lg);
            }
            .sidebar-overlay.show {
                display: block;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .main-content {
                margin-left: 0;
            }
            .hero-section {
                padding: 50px 20px 40px 20px;
            }
            .hero-title {
                font-size: 1.6rem;
            }
            .hero-bg-image {
                width: 100%;
                opacity: 0.1;
            }
            .section-block {
                padding: 36px 18px;
            }
            .feature-sequence {
                grid-template-columns: 1fr;
            }
            .event-type-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
                gap: 10px;
            }
            .process-steps {
                flex-direction: column;
                gap: 0;
            }
            .process-step::after {
                display: none;
            }
            .process-step {
                display: flex;
                align-items: center;
                gap: 14px;
                text-align: left;
                padding: 10px 0;
                min-width: auto;
            }
            .process-dot {
                margin: 0;
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .hero-stats-row {
                gap: 16px;
            }
            .hero-stat-num {
                font-size: 1.4rem;
            }
            .stats-strip {
                gap: 16px;
            }
            .stats-strip-num {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 520px) {
            .hero-section {
                padding: 40px 14px 32px 14px;
            }
            .hero-title {
                font-size: 1.35rem;
            }
            .hero-subtitle {
                font-size: 0.9rem;
            }
            .section-block {
                padding: 28px 12px;
            }
            .section-heading {
                font-size: 1.3rem;
            }
            .btn-cta-primary,
            .btn-outline-light-custom {
                font-size: 13px;
                padding: 10px 20px;
            }
            .hot-list-card {
                flex-wrap: wrap;
                gap: 10px;
            }
        }

/* roulang page: category2 */
/* ============ 设计变量 ============ */
        :root {
            --color-primary: #12141d;
            --color-primary-light: #1c1f2b;
            --color-accent: #f0a030;
            --color-accent-hover: #d4891a;
            --color-accent-light: #fff7ed;
            --color-bg: #f7f8fc;
            --color-surface: #ffffff;
            --color-text: #1e1e2e;
            --color-text-secondary: #7c7c8a;
            --color-text-muted: #9ca3af;
            --color-border: #e8e8ef;
            --color-border-light: #f0f0f5;
            --color-success: #10b981;
            --color-danger: #ef4444;
            --color-info: #3b82f6;
            --radius-sm: 6px;
            --radius-md: 10px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-sm: 0 1px 3px rgba(0, 0, 0, 0.04), 0 1px 2px rgba(0, 0, 0, 0.03);
            --shadow-md: 0 4px 16px rgba(0, 0, 0, 0.06), 0 2px 6px rgba(0, 0, 0, 0.04);
            --shadow-lg: 0 12px 32px rgba(0, 0, 0, 0.08), 0 4px 12px rgba(0, 0, 0, 0.04);
            --shadow-xl: 0 20px 48px rgba(0, 0, 0, 0.12), 0 8px 20px rgba(0, 0, 0, 0.06);
            --sidebar-width: 260px;
            --header-mobile-height: 56px;
            --transition-fast: 0.18s ease;
            --transition-base: 0.25s ease;
            --transition-slow: 0.35s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
        }

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

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

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

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

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

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

        button {
            cursor: pointer;
            font-family: inherit;
        }

        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            margin: 0;
            line-height: 1.35;
            font-weight: 700;
            color: var(--color-text);
        }

        p {
            margin: 0;
        }

        /* ============ 主布局：App Shell ============ */
        .app-shell {
            display: flex;
            min-height: 100vh;
        }

        /* 桌面端固定侧边栏 */
        .sidebar-fixed {
            position: fixed;
            left: 0;
            top: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: var(--color-primary);
            z-index: 1040;
            display: flex;
            flex-direction: column;
            overflow-y: auto;
            overflow-x: hidden;
            transition: transform var(--transition-base);
            box-shadow: 2px 0 24px rgba(0, 0, 0, 0.18);
        }

        .sidebar-fixed::-webkit-scrollbar {
            width: 4px;
        }

        .sidebar-fixed::-webkit-scrollbar-thumb {
            background: rgba(255, 255, 255, 0.12);
            border-radius: 4px;
        }

        .sidebar-fixed::-webkit-scrollbar-track {
            background: transparent;
        }

        .sidebar-logo-area {
            padding: 28px 22px 20px 22px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
        }

        .sidebar-logo {
            font-size: 1.25rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.5px;
            display: flex;
            align-items: center;
            gap: 10px;
            line-height: 1.2;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: #12141d;
            flex-shrink: 0;
            font-weight: 900;
        }

        .sidebar-logo-sub {
            font-size: 0.7rem;
            color: rgba(255, 255, 255, 0.45);
            margin-top: 2px;
            letter-spacing: 1px;
            font-weight: 400;
        }

        .sidebar-nav {
            flex: 1;
            padding: 18px 14px;
            display: flex;
            flex-direction: column;
            gap: 4px;
        }

        .nav-section-title {
            font-size: 0.68rem;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: rgba(255, 255, 255, 0.3);
            padding: 8px 10px 6px 10px;
            font-weight: 600;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 11px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.92rem;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

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

        .sidebar-nav a.active {
            background: rgba(240, 160, 48, 0.15);
            color: var(--color-accent);
            font-weight: 600;
            box-shadow: inset 3px 0 0 var(--color-accent);
        }

        .sidebar-nav a .nav-icon {
            width: 22px;
            text-align: center;
            font-size: 0.95rem;
            flex-shrink: 0;
        }

        .badge-pulse {
            display: inline-block;
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--color-accent);
            margin-left: auto;
            animation: pulse-dot 1.8s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(240, 160, 48, 0.6);
            }
            50% {
                box-shadow: 0 0 0 8px rgba(240, 160, 48, 0);
            }
        }

        .sidebar-footer-area {
            padding: 14px 18px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            flex-shrink: 0;
            font-size: 0.72rem;
            color: rgba(255, 255, 255, 0.3);
            text-align: center;
        }

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

        /* 移动端顶部栏 */
        .mobile-header {
            display: none;
            position: sticky;
            top: 0;
            z-index: 1035;
            background: var(--color-primary);
            height: var(--header-mobile-height);
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
        }

        .mobile-header .mobile-logo {
            font-weight: 800;
            color: #ffffff;
            font-size: 1.05rem;
            letter-spacing: 0.3px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .mobile-header .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            border-radius: 4px;
            background: var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.85rem;
            color: #12141d;
            font-weight: 900;
        }

        .mobile-menu-btn {
            background: none;
            border: none;
            color: #ffffff;
            font-size: 1.4rem;
            padding: 6px;
            margin-left: auto;
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            color: var(--color-accent);
        }

        /* Offcanvas 自定义 */
        .offcanvas-sidebar {
            background: var(--color-primary) !important;
            width: var(--sidebar-width) !important;
            border-right: none !important;
        }

        .offcanvas-sidebar .offcanvas-body {
            padding: 0;
            display: flex;
            flex-direction: column;
        }

        .offcanvas-sidebar .btn-close {
            filter: invert(1) brightness(2);
            opacity: 0.7;
            margin: 12px 14px 0 auto;
        }

        .offcanvas-sidebar .btn-close:hover {
            opacity: 1;
        }

        .offcanvas-sidebar .sidebar-logo-area {
            padding-top: 10px;
        }

        /* ============ 通用容器 ============ */
        .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 24px;
        }

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

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

        /* ============ Hero 区域 ============ */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #12141d 0%, #1c1f2b 40%, #252836 100%);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            min-height: 420px;
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(18, 20, 29, 0.82) 0%, rgba(18, 20, 29, 0.7) 50%, rgba(28, 31, 43, 0.78) 100%);
            z-index: 1;
        }

        .hero-section::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--color-bg) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-inner {
            position: relative;
            z-index: 3;
            padding: 70px 0 50px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            background: rgba(240, 160, 48, 0.15);
            color: var(--color-accent);
            border-radius: 50px;
            font-size: 0.82rem;
            font-weight: 600;
            letter-spacing: 0.6px;
            margin-bottom: 16px;
            border: 1px solid rgba(240, 160, 48, 0.25);
        }

        .hero-title {
            font-size: 2.6rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.3px;
            margin-bottom: 12px;
            line-height: 1.25;
        }

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

        .hero-subtitle {
            font-size: 1.08rem;
            color: rgba(255, 255, 255, 0.7);
            max-width: 620px;
            line-height: 1.6;
            margin-bottom: 24px;
        }

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

        .btn-accent {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: var(--color-accent);
            color: #12141d;
            border: none;
            border-radius: var(--radius-md);
            font-weight: 700;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
            box-shadow: 0 4px 14px rgba(240, 160, 48, 0.3);
        }

        .btn-accent:hover {
            background: var(--color-accent-hover);
            color: #12141d;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(240, 160, 48, 0.4);
        }

        .btn-outline-light-custom {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 26px;
            background: transparent;
            color: #ffffff;
            border: 2px solid rgba(255, 255, 255, 0.3);
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            letter-spacing: 0.3px;
            transition: all var(--transition-fast);
            cursor: pointer;
            text-decoration: none;
        }

        .btn-outline-light-custom:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.6);
            color: #ffffff;
            transform: translateY(-2px);
        }

        /* ============ 板块通用 ============ */
        .section-label {
            font-size: 0.78rem;
            text-transform: uppercase;
            letter-spacing: 2.5px;
            color: var(--color-accent);
            font-weight: 700;
            margin-bottom: 8px;
            display: inline-block;
        }

        .section-heading {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--color-text);
            margin-bottom: 8px;
            letter-spacing: 0.2px;
        }

        .section-description {
            font-size: 0.98rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            line-height: 1.6;
        }

        /* ============ 功能亮点卡片 ============ */
        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px 24px;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            height: 100%;
            position: relative;
            overflow: hidden;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--color-accent), #f5c460);
            opacity: 0;
            transition: opacity var(--transition-base);
        }

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

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

        .feature-card-icon {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            background: var(--color-accent-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--color-accent);
            margin-bottom: 16px;
            flex-shrink: 0;
        }

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

        .feature-card p {
            font-size: 0.88rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .feature-card-image {
            border-radius: var(--radius-sm);
            overflow: hidden;
            margin-bottom: 16px;
            aspect-ratio: 16 / 10;
            background: #f0f1f5;
        }

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

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

        /* ============ 步骤流程 ============ */
        .step-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            position: relative;
        }

        .step-item {
            display: flex;
            gap: 20px;
            position: relative;
            padding: 20px 0 28px;
        }

        .step-item:not(:last-child)::after {
            content: '';
            position: absolute;
            left: 23px;
            top: 58px;
            bottom: 0;
            width: 2px;
            background: var(--color-border);
            z-index: 0;
        }

        .step-marker {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 3px solid var(--color-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
            color: var(--color-accent);
            flex-shrink: 0;
            z-index: 1;
            position: relative;
            transition: all var(--transition-fast);
        }

        .step-item:hover .step-marker {
            background: var(--color-accent);
            color: #12141d;
            box-shadow: 0 0 0 8px rgba(240, 160, 48, 0.12);
        }

        .step-body {
            flex: 1;
            padding-top: 6px;
        }

        .step-body h4 {
            font-size: 1.08rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .step-body p {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        .step-image-wrap {
            border-radius: var(--radius-md);
            overflow: hidden;
            margin-top: 10px;
            max-width: 400px;
            box-shadow: var(--shadow-sm);
        }

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

        /* ============ 内容卡片列表（PHP 数据区） ============ */
        .guide-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .guide-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .guide-card-image {
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #f0f1f5;
        }

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

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

        .guide-card-body {
            padding: 18px 18px 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .guide-card-tag {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-accent-light);
            color: var(--color-accent);
            border-radius: 50px;
            font-size: 0.72rem;
            font-weight: 600;
            letter-spacing: 0.4px;
            margin-bottom: 10px;
            align-self: flex-start;
        }

        .guide-card h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
            line-height: 1.4;
        }

        .guide-card p {
            font-size: 0.84rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            flex: 1;
            margin-bottom: 12px;
        }

        .guide-card-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ============ 统计数字区 ============ */
        .stats-bar {
            background: var(--color-primary);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            justify-content: space-around;
            box-shadow: var(--shadow-lg);
        }

        .stat-item {
            text-align: center;
            flex: 1;
            min-width: 130px;
        }

        .stat-number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--color-accent);
            letter-spacing: 0.5px;
            line-height: 1.1;
        }

        .stat-label {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.6);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        /* ============ 场景卡片 ============ */
        .scenario-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 0;
            overflow: hidden;
            border: 1px solid var(--color-border);
            transition: all var(--transition-base);
            height: 100%;
        }

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

        .scenario-card-image {
            aspect-ratio: 3 / 2;
            overflow: hidden;
            background: #f0f1f5;
        }

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

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

        .scenario-card-body {
            padding: 20px 18px 22px;
        }

        .scenario-card-body h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--color-text);
        }

        .scenario-card-body p {
            font-size: 0.86rem;
            color: var(--color-text-secondary);
            line-height: 1.55;
            margin: 0;
        }

        /* ============ FAQ 手风琴 ============ */
        .faq-accordion .accordion-item {
            border: 1px solid var(--color-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--color-surface);
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-item:hover {
            border-color: #d0d0da;
            box-shadow: var(--shadow-sm);
        }

        .faq-accordion .accordion-button {
            font-weight: 600;
            font-size: 0.98rem;
            color: var(--color-text);
            background: var(--color-surface);
            padding: 16px 20px;
            border: none;
            box-shadow: none;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--color-accent);
            background: var(--color-accent-light);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(240, 160, 48, 0.15);
            border-color: var(--color-accent);
            outline: none;
        }

        .faq-accordion .accordion-button::after {
            background-size: 14px;
            transition: all var(--transition-fast);
        }

        .faq-accordion .accordion-body {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            padding: 8px 20px 18px 20px;
        }

        /* ============ CTA 区域 ============ */
        .cta-section {
            background: linear-gradient(135deg, #12141d 0%, #1c1f2b 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-lg);
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.08);
            pointer-events: none;
        }

        .cta-section::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(240, 160, 48, 0.05);
            pointer-events: none;
        }

        .cta-section h2 {
            font-size: 1.7rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 10px;
            position: relative;
            z-index: 1;
        }

        .cta-section p {
            font-size: 0.98rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 500px;
            margin: 0 auto 24px;
            position: relative;
            z-index: 1;
            line-height: 1.6;
        }

        .cta-section .btn-accent {
            position: relative;
            z-index: 1;
            font-size: 1rem;
            padding: 14px 32px;
        }

        /* ============ 页脚 ============ */
        .site-footer {
            background: var(--color-primary);
            padding: 32px 0 20px;
            margin-top: auto;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-brand {
            font-size: 1.05rem;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 0.3px;
            margin-bottom: 2px;
        }

        .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            margin-top: 18px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.35);
            letter-spacing: 0.3px;
        }

        /* ============ 面包屑 ============ */
        .breadcrumb-row {
            padding: 16px 0 0;
        }

        .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.82rem;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }

        .breadcrumb-custom a {
            color: var(--color-text-secondary);
            font-weight: 500;
            transition: color var(--transition-fast);
        }

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

        .breadcrumb-custom .separator {
            color: var(--color-text-muted);
            font-size: 0.7rem;
        }

        .breadcrumb-custom .current {
            color: var(--color-accent);
            font-weight: 600;
        }

        /* ============ 响应式 ============ */
        @media (max-width: 991.98px) {
            .sidebar-fixed {
                display: none !important;
            }

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

            .mobile-header {
                display: flex;
            }

            .hero-title {
                font-size: 1.9rem;
            }

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

            .hero-section {
                min-height: 320px;
            }

            .hero-inner {
                padding: 50px 0 36px;
            }

            .section-padding {
                padding: 44px 0;
            }

            .section-padding-sm {
                padding: 28px 0;
            }

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

            .stats-bar {
                padding: 24px 20px;
                gap: 18px;
            }

            .stat-number {
                font-size: 1.6rem;
            }

            .cta-section {
                padding: 34px 22px;
                border-radius: var(--radius-lg);
            }

            .cta-section h2 {
                font-size: 1.35rem;
            }

            .step-item {
                flex-direction: column;
                gap: 12px;
                padding: 14px 0 20px;
            }

            .step-item:not(:last-child)::after {
                left: 23px;
                top: 52px;
                bottom: 0;
            }

            .step-marker {
                width: 40px;
                height: 40px;
                font-size: 0.95rem;
            }

            .step-image-wrap {
                max-width: 100%;
            }

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

        @media (max-width: 575.98px) {
            .hero-title {
                font-size: 1.55rem;
            }

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

            .hero-section {
                min-height: 280px;
            }

            .hero-inner {
                padding: 36px 0 28px;
            }

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

            .btn-accent,
            .btn-outline-light-custom {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
                font-size: 0.9rem;
            }

            .section-heading {
                font-size: 1.3rem;
            }

            .section-padding {
                padding: 32px 0;
            }

            .section-padding-sm {
                padding: 22px 0;
            }

            .stats-bar {
                flex-direction: column;
                gap: 16px;
                padding: 22px 18px;
                border-radius: var(--radius-lg);
            }

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

            .feature-card {
                padding: 20px 16px 18px;
            }

            .guide-card-body {
                padding: 14px 14px 16px;
            }

            .cta-section {
                padding: 28px 16px;
            }

            .cta-section h2 {
                font-size: 1.2rem;
            }

            .cta-section p {
                font-size: 0.86rem;
            }

            .footer-links {
                gap: 12px;
            }

            .step-body h4 {
                font-size: 0.98rem;
            }

            .content-container {
                padding: 0 12px;
            }

            .breadcrumb-row {
                padding: 10px 0 0;
            }

            .breadcrumb-custom {
                font-size: 0.75rem;
            }
        }

        @media (min-width: 992px) {
            .offcanvas-sidebar {
                display: none !important;
            }
        }

/* roulang page: category3 */
:root {
            --color-primary: #e8452d;
            --color-primary-dark: #c0392b;
            --color-primary-light: #ff6b55;
            --color-accent: #f0a500;
            --color-accent-dark: #d49000;
            --color-bg: #f8f9fb;
            --color-surface: #ffffff;
            --color-surface-alt: #1a1d23;
            --color-text: #1e2130;
            --color-text-secondary: #5c6072;
            --color-text-muted: #8b8f9e;
            --color-text-on-dark: #e8eaef;
            --color-border: #e2e5ec;
            --color-border-light: #eef0f4;
            --color-success: #27ae60;
            --color-warning: #f39c12;
            --color-info: #3498db;
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 18px;
            --radius-xl: 24px;
            --radius-full: 50%;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 16px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.10), 0 4px 10px rgba(0,0,0,0.05);
            --shadow-xl: 0 20px 48px rgba(0,0,0,0.13), 0 6px 16px rgba(0,0,0,0.06);
            --shadow-glow: 0 0 0 4px rgba(232,69,45,0.12);
            --transition-fast: 0.18s ease;
            --transition-base: 0.28s ease;
            --transition-slow: 0.4s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --sidebar-width: 250px;
            --mobile-header-height: 58px;
            --font-sans: 'Inter', 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', system-ui, -apple-system, sans-serif;
            --font-mono: 'SF Mono', 'JetBrains Mono', 'Consolas', monospace;
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 15px;
            line-height: 1.7;
            color: var(--color-text);
            background-color: var(--color-bg);
            display: flex;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            border: none;
            font-family: inherit;
        }

        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        /* ========== 左侧侧边栏导航 ========== */
        .app-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            width: var(--sidebar-width);
            height: 100vh;
            background: #14171f;
            z-index: 1050;
            display: flex;
            flex-direction: column;
            box-shadow: 2px 0 24px rgba(0,0,0,0.25);
            transition: transform var(--transition-slow);
            overflow-y: auto;
            overflow-x: hidden;
        }

        .sidebar-header {
            padding: 24px 20px 20px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            flex-shrink: 0;
        }

        .sidebar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
            color: #ffffff;
            letter-spacing: 0.5px;
        }

        .sidebar-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: var(--color-primary);
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: #fff;
            flex-shrink: 0;
        }

        .sidebar-logo span {
            white-space: nowrap;
        }

        .sidebar-nav-wrap {
            flex: 1;
            padding: 16px 12px;
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .nav-section-title {
            display: block;
            font-size: 10px;
            text-transform: uppercase;
            letter-spacing: 1.8px;
            color: rgba(255,255,255,0.3);
            padding: 8px 12px 4px;
            font-weight: 600;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .sidebar-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 11px 14px;
            border-radius: var(--radius-md);
            color: rgba(255,255,255,0.7);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition-fast);
            position: relative;
            white-space: nowrap;
        }

        .sidebar-nav a .nav-icon {
            width: 20px;
            text-align: center;
            font-size: 14px;
            flex-shrink: 0;
            opacity: 0.7;
            transition: opacity var(--transition-fast);
        }

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

        .sidebar-nav a:hover .nav-icon {
            opacity: 1;
        }

        .sidebar-nav a.active {
            background: var(--color-primary);
            color: #ffffff;
            font-weight: 600;
            box-shadow: 0 4px 14px rgba(232,69,45,0.35);
        }

        .sidebar-nav a.active .nav-icon {
            opacity: 1;
        }

        .badge-pulse {
            display: inline-block;
            width: 7px;
            height: 7px;
            background: #27ae60;
            border-radius: 50%;
            margin-left: auto;
            animation: pulse-dot 2s ease-in-out infinite;
            flex-shrink: 0;
        }

        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.6); }
        }

        .sidebar-footer-info {
            padding: 16px 20px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 11px;
            color: rgba(255,255,255,0.3);
            text-align: center;
            flex-shrink: 0;
        }

        /* ========== 主内容区 ========== */
        .main-content {
            flex: 1;
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            display: flex;
            flex-direction: column;
            background: var(--color-bg);
            transition: margin var(--transition-slow);
        }

        /* ========== 移动端顶部栏 ========== */
        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: var(--mobile-header-height);
            background: #14171f;
            z-index: 1040;
            align-items: center;
            padding: 0 16px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.25);
        }

        .mobile-top-bar .mobile-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 17px;
            font-weight: 700;
            color: #fff;
        }

        .mobile-top-bar .mobile-logo .logo-icon-sm {
            width: 30px;
            height: 30px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: #fff;
        }

        .mobile-menu-btn {
            margin-left: auto;
            width: 38px;
            height: 38px;
            border-radius: var(--radius-sm);
            background: rgba(255,255,255,0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            border: none;
            cursor: pointer;
            transition: background var(--transition-fast);
        }

        .mobile-menu-btn:hover {
            background: rgba(255,255,255,0.15);
        }

        /* ========== 页面板块容器 ========== */
        .section-container {
            padding: 48px 32px;
            max-width: 1100px;
            margin: 0 auto;
            width: 100%;
        }

        .section-container.sm {
            max-width: 860px;
        }

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

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 2px;
            color: var(--color-primary);
            margin-bottom: 8px;
            background: rgba(232,69,45,0.08);
            padding: 5px 14px;
            border-radius: 20px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--color-text);
            line-height: 1.3;
            margin: 0;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--color-text-secondary);
            margin-top: 6px;
            line-height: 1.6;
        }

        /* ========== Hero 板块 ========== */
        .hero-community {
            position: relative;
            background: linear-gradient(160deg, #1a1d28 0%, #14171f 40%, #0d0f14 100%);
            color: #ffffff;
            padding: 64px 32px;
            overflow: hidden;
        }

        .hero-community::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -15%;
            width: 55%;
            height: 160%;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.35;
            mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
            -webkit-mask-image: linear-gradient(to left, rgba(0,0,0,0.9) 0%, rgba(0,0,0,0.3) 50%, rgba(0,0,0,0) 100%);
            pointer-events: none;
        }

        .hero-community::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255,255,255,0.08), rgba(255,255,255,0.15), rgba(255,255,255,0.08), transparent);
        }

        .hero-community .hero-inner {
            position: relative;
            z-index: 1;
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
        }

        .hero-community .hero-text {
            flex: 1;
            min-width: 280px;
        }

        .hero-community .hero-badge {
            display: inline-block;
            background: rgba(232,69,45,0.2);
            border: 1px solid rgba(232,69,45,0.4);
            color: #ff8a75;
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }

        .hero-community h1 {
            font-size: 38px;
            font-weight: 800;
            line-height: 1.25;
            margin: 0 0 14px;
            color: #ffffff;
            letter-spacing: -0.3px;
        }

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

        .hero-community .hero-desc {
            font-size: 16px;
            color: rgba(255,255,255,0.65);
            line-height: 1.7;
            margin-bottom: 24px;
            max-width: 500px;
        }

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

        .hero-stat-item {
            text-align: left;
        }

        .hero-stat-item .stat-number {
            font-size: 26px;
            font-weight: 700;
            color: #ffffff;
            line-height: 1;
        }

        .hero-stat-item .stat-label {
            font-size: 12px;
            color: rgba(255,255,255,0.45);
            margin-top: 4px;
            letter-spacing: 0.5px;
        }

        .hero-community .hero-visual {
            flex: 0 0 320px;
            min-width: 240px;
            position: relative;
        }

        .hero-visual-card {
            background: rgba(255,255,255,0.04);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: var(--radius-lg);
            padding: 20px;
            backdrop-filter: blur(8px);
        }

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

        .hero-visual-card .card-meta-row {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 12px;
            font-size: 12px;
            color: rgba(255,255,255,0.5);
        }

        .hot-tag {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-size: 10px;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: 12px;
            letter-spacing: 0.5px;
        }

        /* ========== 特色卡片板块 ========== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }

        .feature-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .feature-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-3px);
            border-color: transparent;
        }

        .feature-card .feature-icon-wrap {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-md);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 16px;
        }

        .feature-card .feature-icon-wrap.red { background: rgba(232,69,45,0.1); color: var(--color-primary); }
        .feature-card .feature-icon-wrap.amber { background: rgba(240,165,0,0.1); color: var(--color-accent); }
        .feature-card .feature-icon-wrap.blue { background: rgba(52,152,219,0.1); color: var(--color-info); }
        .feature-card .feature-icon-wrap.green { background: rgba(39,174,96,0.1); color: var(--color-success); }

        .feature-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }

        .feature-card p {
            font-size: 13.5px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin: 0;
        }

        /* ========== 热门话题板块 ========== */
        .topic-list-compact {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .topic-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--color-surface);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .topic-item:hover {
            border-color: var(--color-primary);
            box-shadow: var(--shadow-md);
            transform: translateX(3px);
        }

        .topic-rank {
            width: 32px;
            height: 32px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 14px;
            flex-shrink: 0;
            background: #f1f3f6;
            color: var(--color-text-muted);
        }

        .topic-item:nth-child(1) .topic-rank { background: var(--color-primary); color: #fff; }
        .topic-item:nth-child(2) .topic-rank { background: var(--color-accent); color: #fff; }
        .topic-item:nth-child(3) .topic-rank { background: #e8a45d; color: #fff; }

        .topic-info {
            flex: 1;
            min-width: 0;
        }

        .topic-info .topic-title {
            font-weight: 600;
            font-size: 14.5px;
            color: var(--color-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            margin: 0 0 3px;
        }

        .topic-info .topic-meta {
            font-size: 12px;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .topic-heat {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            font-weight: 600;
            color: var(--color-primary);
            flex-shrink: 0;
            white-space: nowrap;
        }

        .topic-heat i {
            font-size: 10px;
        }

        /* ========== 活动板块 ========== */
        .events-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }

        .event-card {
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: all var(--transition-base);
        }

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

        .event-card .event-img-wrap {
            position: relative;
            aspect-ratio: 16/10;
            overflow: hidden;
        }

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

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

        .event-card .event-badge-float {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 11px;
            font-weight: 700;
            padding: 5px 12px;
            border-radius: 14px;
            letter-spacing: 0.5px;
        }

        .event-card .event-body {
            padding: 18px 20px;
        }

        .event-card h4 {
            font-size: 16px;
            font-weight: 700;
            color: var(--color-text);
            margin: 0 0 6px;
        }

        .event-card p {
            font-size: 13px;
            color: var(--color-text-secondary);
            margin: 0 0 10px;
            line-height: 1.5;
        }

        .event-card .event-meta {
            font-size: 11px;
            color: var(--color-text-muted);
            display: flex;
            gap: 12px;
            align-items: center;
        }

        /* ========== 流程步骤板块 ========== */
        .steps-flow {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            counter-reset: step;
        }

        .step-card {
            flex: 1;
            min-width: 200px;
            background: var(--color-surface);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all var(--transition-base);
        }

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

        .step-card::before {
            counter-increment: step;
            content: counter(step);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-full);
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 17px;
            margin: 0 auto 14px;
        }

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

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

        /* ========== 社区数据板块 ========== */
        .stats-banner {
            background: var(--color-surface-alt);
            border-radius: var(--radius-xl);
            padding: 40px 32px;
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            justify-content: space-around;
            align-items: center;
            color: #fff;
        }

        .stats-banner .stat-block {
            text-align: center;
        }

        .stats-banner .stat-value {
            font-size: 36px;
            font-weight: 800;
            line-height: 1;
            letter-spacing: -1px;
        }

        .stats-banner .stat-value.red { color: var(--color-primary-light); }
        .stats-banner .stat-value.amber { color: var(--color-accent); }
        .stats-banner .stat-value.green { color: #2ecc71; }
        .stats-banner .stat-value.blue { color: #5dade2; }

        .stats-banner .stat-desc {
            font-size: 13px;
            color: rgba(255,255,255,0.5);
            margin-top: 6px;
            letter-spacing: 0.5px;
        }

        /* ========== FAQ 板块 ========== */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

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

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

        .faq-question {
            width: 100%;
            background: none;
            padding: 18px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 15px;
            font-weight: 600;
            color: var(--color-text);
            text-align: left;
            gap: 12px;
            transition: color var(--transition-fast);
        }

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

        .faq-question i {
            font-size: 12px;
            color: var(--color-text-muted);
            transition: transform var(--transition-base);
            flex-shrink: 0;
        }

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

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-base);
        }

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

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        /* ========== CTA 板块 ========== */
        .cta-section {
            background: linear-gradient(135deg, #1a1d28 0%, #14171f 100%);
            border-radius: var(--radius-xl);
            padding: 48px 36px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -40%;
            left: -20%;
            width: 70%;
            height: 180%;
            background: url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            opacity: 0.2;
            mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 70%);
            -webkit-mask-image: radial-gradient(ellipse at center, rgba(0,0,0,0.6) 0%, rgba(0,0,0,0) 70%);
            pointer-events: none;
        }

        .cta-section .cta-inner {
            position: relative;
            z-index: 1;
        }

        .cta-section h3 {
            font-size: 26px;
            font-weight: 700;
            margin: 0 0 10px;
        }

        .cta-section p {
            font-size: 15px;
            color: rgba(255,255,255,0.6);
            margin: 0 0 24px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
        }

        .btn-cta-primary {
            display: inline-block;
            background: var(--color-primary);
            color: #fff;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 36px;
            border-radius: 30px;
            transition: all var(--transition-base);
            letter-spacing: 0.5px;
            box-shadow: 0 6px 20px rgba(232,69,45,0.4);
        }

        .btn-cta-primary:hover {
            background: var(--color-primary-dark);
            box-shadow: 0 10px 28px rgba(232,69,45,0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-light-custom {
            display: inline-block;
            border: 2px solid rgba(255,255,255,0.4);
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: 30px;
            transition: all var(--transition-base);
            background: transparent;
            letter-spacing: 0.5px;
        }

        .btn-outline-light-custom:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
            color: #fff;
        }

        /* ========== 页脚 ========== */
        .site-footer {
            background: #14171f;
            color: rgba(255,255,255,0.7);
            padding: 32px 0 20px;
            margin-top: auto;
            flex-shrink: 0;
        }

        .site-footer .content-container {
            max-width: 1100px;
            margin: 0 auto;
            padding: 0 32px;
        }

        .site-footer .footer-brand {
            font-size: 18px;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 2px;
        }

        .site-footer .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }

        .site-footer .footer-links a {
            color: rgba(255,255,255,0.5);
            font-size: 13px;
            transition: color var(--transition-fast);
        }

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

        .site-footer .footer-bottom {
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid rgba(255,255,255,0.08);
            font-size: 12px;
            color: rgba(255,255,255,0.3);
        }

        /* ========== 板块背景交替 ========== */
        .bg-alt {
            background: #ffffff;
        }

        /* ========== 进度条装饰（追更/热度感） ========== */
        .heat-bar {
            height: 4px;
            background: #eef0f4;
            border-radius: 4px;
            overflow: hidden;
            margin-top: 8px;
        }

        .heat-bar-fill {
            height: 100%;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            transition: width var(--transition-slow);
        }

        /* ========== 响应式 ========== */
        @media (max-width: 1199px) {
            .hero-community h1 { font-size: 30px; }
            .hero-community .hero-visual { flex: 0 0 260px; }
            .section-container { padding: 36px 24px; }
        }

        @media (max-width: 991px) {
            .app-sidebar {
                transform: translateX(-100%);
            }

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

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

            .mobile-top-bar {
                display: flex;
            }

            .main-content {
                padding-top: var(--mobile-header-height);
            }

            .hero-community {
                padding: 40px 20px;
            }

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

            .hero-community .hero-inner {
                flex-direction: column;
                gap: 24px;
            }

            .hero-community .hero-visual {
                flex: 0 0 auto;
                width: 100%;
                max-width: 400px;
            }

            .section-container {
                padding: 28px 18px;
            }

            .section-title {
                font-size: 22px;
            }

            .stats-banner {
                padding: 28px 18px;
                gap: 16px;
            }

            .stats-banner .stat-value {
                font-size: 26px;
            }

            .cta-section {
                padding: 32px 20px;
                border-radius: var(--radius-lg);
            }

            .cta-section h3 {
                font-size: 21px;
            }

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

            .steps-flow {
                flex-direction: column;
            }

            .step-card {
                min-width: auto;
            }

            .events-row {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 640px) {
            .hero-community {
                padding: 32px 14px;
            }

            .hero-community h1 {
                font-size: 22px;
            }

            .hero-community .hero-desc {
                font-size: 14px;
            }

            .hero-community .hero-stats-row {
                gap: 18px;
            }

            .hero-stat-item .stat-number {
                font-size: 22px;
            }

            .section-container {
                padding: 22px 12px;
            }

            .section-title {
                font-size: 20px;
            }

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

            .topic-item {
                padding: 12px 14px;
                gap: 10px;
            }

            .topic-info .topic-title {
                font-size: 13px;
            }

            .stats-banner {
                flex-direction: column;
                gap: 14px;
                border-radius: var(--radius-lg);
            }

            .stats-banner .stat-value {
                font-size: 24px;
            }

            .btn-cta-primary {
                padding: 12px 26px;
                font-size: 14px;
            }

            .cta-section h3 {
                font-size: 19px;
            }

            .site-footer .content-container {
                padding: 0 14px;
            }

            .site-footer .footer-links {
                gap: 12px;
            }

            .faq-question {
                font-size: 13.5px;
                padding: 14px 16px;
            }

            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 13px;
            }
        }

        @media (max-width: 420px) {
            .hero-community h1 { font-size: 20px; }
            .hero-community .hero-badge { font-size: 10px; padding: 4px 10px; }
            .section-title { font-size: 18px; }
            .feature-card { padding: 20px 16px; }
            .event-card .event-body { padding: 14px 16px; }
            .topic-heat { font-size: 11px; }
        }