/* roulang page: index */
:root {
            --primary: #1a2a4a;
            --primary-light: #2a4a7a;
            --accent: #e8452c;
            --accent-hover: #c7381f;
            --accent-soft: #fef0ec;
            --gold: #f5a623;
            --bg: #f7f8fa;
            --bg-alt: #ffffff;
            --bg-dark: #131c2e;
            --text: #1f2937;
            --text-light: #6b7280;
            --border: #e5e7eb;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 50px rgba(0,0,0,0.14);
            --space: 8px;
            --space-sm: 16px;
            --space-md: 24px;
            --space-lg: 40px;
            --space-xl: 72px;
        }

        * { margin: 0; padding: 0; box-sizing: border-box; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
        }
        a { text-decoration: none; color: inherit; transition: color 0.25s ease; }
        img { max-width: 100%; display: block; }
        button, input { font-family: inherit; font-size: inherit; border: none; outline: none; }
        ul { list-style: none; }

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

        /* ===== Header / Nav ===== */
        .site-header {
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border);
            position: sticky;
            top: 0;
            z-index: 1000;
            height: 70px;
            display: flex;
            align-items: center;
        }
        .header-inner {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .logo {
            font-size: 22px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo::before {
            content: "";
            width: 32px;
            height: 32px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 8px;
            display: inline-block;
            flex-shrink: 0;
        }
        .logo:hover { color: var(--accent); }
        .logo:hover::before { transform: rotate(8deg); }
        .site-nav { display: flex; align-items: center; gap: 6px; flex: 1; }
        .site-nav a {
            padding: 8px 16px;
            border-radius: 8px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            transition: all 0.25s ease;
        }
        .site-nav a:hover { color: var(--primary); background: #f0f2f5; }
        .site-nav a.active { color: var(--accent); background: var(--accent-soft); font-weight: 600; }
        .header-actions { display: flex; align-items: center; gap: 12px; }
        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }
        .search-box input {
            width: 180px;
            padding: 8px 14px 8px 36px;
            border: 1px solid var(--border);
            border-radius: 24px;
            font-size: 14px;
            background: #f9fafb;
            transition: all 0.3s ease;
        }
        .search-box input:focus {
            width: 220px;
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 3px rgba(232,69,44,0.12);
        }
        .search-box i {
            position: absolute;
            left: 14px;
            color: var(--text-light);
            font-size: 13px;
            pointer-events: none;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 1px solid transparent;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--accent), #f05a3c);
            color: #fff;
            box-shadow: 0 4px 14px rgba(232,69,44,0.30);
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(232,69,44,0.40);
            color: #fff;
        }
        .btn-outline {
            background: #fff;
            border-color: var(--border);
            color: var(--primary);
        }
        .btn-outline:hover { border-color: var(--accent); color: var(--accent); box-shadow: var(--shadow-sm); }
        .btn-dark {
            background: var(--primary);
            color: #fff;
        }
        .btn-dark:hover { background: var(--primary-light); color: #fff; transform: translateY(-2px); }
        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 8px;
            background: transparent;
            cursor: pointer;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 20px;
        }
        .menu-toggle:hover { background: #f0f2f5; }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 580px;
            display: flex;
            align-items: center;
            padding: 80px 0 100px;
            overflow: hidden;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        }
        .hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(10,18,36,0.92) 20%, rgba(20,40,70,0.72) 60%, rgba(20,30,50,0.55) 100%);
        }
        .hero::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(transparent, var(--bg));
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 680px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.15);
            border: 1px solid rgba(255,255,255,0.2);
            color: #f0d9a8;
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 13px;
            font-weight: 500;
            backdrop-filter: blur(4px);
            margin-bottom: 22px;
        }
        .hero-badge i { font-size: 12px; }
        .hero h1 {
            font-size: 52px;
            font-weight: 800;
            color: #ffffff;
            line-height: 1.25;
            letter-spacing: -1px;
            margin-bottom: 20px;
        }
        .hero h1 span {
            background: linear-gradient(90deg, #f5a623, #ff6b57);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 17px;
            color: rgba(255,255,255,0.85);
            margin-bottom: 32px;
            max-width: 560px;
            line-height: 1.8;
        }
        .hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
        .hero-stats {
            display: flex;
            gap: 30px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stats .stat-item {
            border-left: 2px solid var(--accent);
            padding-left: 14px;
        }
        .hero-stats .number {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stats .label {
            font-size: 13px;
            color: rgba(255,255,255,0.65);
        }

        /* ===== Section Utilities ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt { background: var(--bg-alt); }
        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 48px;
        }
        .section-head .eyebrow {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            text-transform: uppercase;
            letter-spacing: 2px;
            background: var(--accent-soft);
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
        }
        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
            letter-spacing: -0.5px;
        }
        .section-head p {
            font-size: 16px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Stats Strip ===== */
        .stats-strip {
            background: var(--primary);
            padding: 48px 0;
            position: relative;
            overflow: hidden;
        }
        .stats-strip::before {
            content: "";
            position: absolute;
            right: -80px;
            top: -80px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(245,166,35,0.12);
        }
        .stats-strip::after {
            content: "";
            position: absolute;
            left: 40px;
            bottom: -100px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(232,69,44,0.15);
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
            position: relative;
            z-index: 2;
        }
        .stat-card {
            text-align: center;
            color: #fff;
            padding: 20px 10px;
        }
        .stat-card .icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: rgba(255,255,255,0.14);
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 14px;
            font-size: 22px;
            color: var(--gold);
        }
        .stat-card .number {
            font-size: 32px;
            font-weight: 800;
            line-height: 1.2;
        }
        .stat-card .label {
            font-size: 15px;
            color: rgba(255,255,255,0.7);
            margin-top: 6px;
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .category-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            position: relative;
            display: block;
        }
        .category-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .category-card .cover {
            height: 180px;
            position: relative;
            overflow: hidden;
        }
        .category-card .cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .category-card:hover .cover img { transform: scale(1.06); }
        .category-card .cover::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(20,30,50,0.75));
        }
        .category-card .tag {
            position: absolute;
            bottom: 12px;
            left: 16px;
            z-index: 2;
            background: rgba(232,69,44,0.9);
            color: #fff;
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 15px;
        }
        .category-card .body {
            padding: 22px 24px;
        }
        .category-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            transition: color 0.25s;
        }
        .category-card:hover h3 { color: var(--accent); }
        .category-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 14px;
        }
        .category-card .more-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }
        .category-card .more-link i {
            transition: transform 0.3s ease;
            font-size: 12px;
        }
        .category-card:hover .more-link i { transform: translateX(4px); }

        /* ===== Info List ===== */
        .info-section {
            background: var(--bg-alt);
            padding: 72px 0;
        }
        .info-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: start;
        }
        .info-list-wrap {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .info-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            border-bottom: 1px solid var(--border);
            background: #fafbfc;
        }
        .info-list-header h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .info-list-header h3 i { color: var(--accent); }
        .info-list-header .more {
            font-size: 13px;
            color: var(--text-light);
            display: flex;
            align-items: center;
            gap: 4px;
        }
        .info-list-header .more:hover { color: var(--accent); }
        .info-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 15px 24px;
            border-bottom: 1px solid #f1f3f5;
            transition: background 0.2s;
        }
        .info-item:last-child { border-bottom: none; }
        .info-item:hover { background: #f8fafc; }
        .info-item .title {
            font-size: 15px;
            font-weight: 500;
            color: var(--text);
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
            max-width: 300px;
        }
        .info-item:hover .title { color: var(--accent); }
        .info-item .meta {
            font-size: 12px;
            color: var(--text-light);
            white-space: nowrap;
            flex-shrink: 0;
            margin-left: 12px;
        }
        .info-side {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .info-side-card {
            background: #fff;
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 28px;
        }
        .info-side-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 14px;
        }
        .info-side-card h3 {
            font-size: 18px;
            color: var(--primary);
            margin-bottom: 8px;
        }
        .info-side-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== Featured Items ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: #fff;
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all 0.35s ease;
            display: block;
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow);
        }
        .feature-card .media {
            height: 190px;
            overflow: hidden;
            position: relative;
        }
        .feature-card .media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .feature-card:hover .media img { transform: scale(1.05); }
        .feature-card .media .badge {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(26,42,74,0.88);
            color: #fff;
            padding: 3px 10px;
            border-radius: 12px;
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(4px);
        }
        .feature-card .content {
            padding: 20px 22px;
        }
        .feature-card .content .date {
            font-size: 12px;
            color: var(--text-light);
            margin-bottom: 6px;
        }
        .feature-card .content h3 {
            font-size: 16px;
            font-weight: 700;
            color: var(--primary);
            line-height: 1.5;
            margin-bottom: 8px;
        }
        .feature-card .content p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            overflow: hidden;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
        }

        /* ===== Process / Steps ===== */
        .process-section {
            background: var(--bg);
            padding: 72px 0;
            position: relative;
            overflow: hidden;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .process-step {
            text-align: center;
            padding: 24px;
            position: relative;
        }
        .process-step .step-num {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            font-size: 22px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            position: relative;
            box-shadow: 0 6px 20px rgba(26,42,74,0.25);
        }
        .process-step .step-num::after {
            content: "";
            position: absolute;
            inset: -5px;
            border-radius: 50%;
            border: 2px solid var(--gold);
            opacity: 0.6;
        }
        .process-step h3 {
            font-size: 17px;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .process-step p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        .process-step .arrow {
            position: absolute;
            right: -18px;
            top: 45px;
            color: #d1d5db;
            font-size: 18px;
            z-index: 2;
        }
        .process-step:last-child .arrow { display: none; }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 14px;
            border: 1px solid var(--border);
            margin-bottom: 16px;
            overflow: hidden;
            transition: all 0.3s ease;
        }
        .faq-item.active {
            border-color: var(--accent);
            box-shadow: 0 4px 20px rgba(232,69,44,0.08);
        }
        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            user-select: none;
            transition: color 0.3s;
        }
        .faq-question .icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--accent-soft);
            color: var(--accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            flex-shrink: 0;
            transition: transform 0.3s;
        }
        .faq-item.active .faq-question .icon { transform: rotate(180deg); }
        .faq-question:hover .icon { background: var(--accent); color: #fff; }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease;
        }
        .faq-item.active .faq-answer { max-height: 300px; }
        .faq-answer p {
            padding: 0 24px 20px;
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 80px 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            position: relative;
            text-align: center;
        }
        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(19,28,46,0.93), rgba(42,74,122,0.85));
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-inner h2 {
            font-size: 36px;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .cta-inner p {
            font-size: 16px;
            color: rgba(255,255,255,0.8);
            margin-bottom: 30px;
        }
        .cta-btns { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.65);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .site-name::before {
            content: "";
            width: 24px;
            height: 24px;
            background: linear-gradient(135deg, var(--accent), var(--gold));
            border-radius: 6px;
            display: inline-block;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.55);
            transition: all 0.25s;
        }
        .footer-col ul li a:hover { color: var(--gold); padding-left: 4px; }
        .footer-contact p {
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-contact p i { color: var(--gold); width: 18px; }
        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 13px;
            color: rgba(255,255,255,0.4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom a { color: rgba(255,255,255,0.5); }
        .footer-bottom a:hover { color: var(--gold); }

        /* ===== Mobile ===== */
        .mobile-menu {
            display: none;
            position: fixed;
            top: 70px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow);
            padding: 16px 24px;
            z-index: 999;
            flex-direction: column;
            gap: 8px;
            max-height: calc(100vh - 70px);
            overflow-y: auto;
        }
        .mobile-menu.open { display: flex; }
        .mobile-menu a {
            padding: 12px 16px;
            border-radius: 8px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            border-bottom: 1px solid #f5f5f5;
        }
        .mobile-menu a:last-child { border-bottom: none; }
        .mobile-menu a.active { color: var(--accent); background: var(--accent-soft); }
        .mobile-menu .btn { margin-top: 8px; justify-content: center; }

        @media (max-width: 1024px) {
            .category-grid { grid-template-columns: repeat(3, 1fr); }
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
            .process-grid { grid-template-columns: repeat(2, 1fr); }
            .process-step .arrow { display: none; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .site-nav { display: none; }
            .header-actions .search-box { display: none; }
            .menu-toggle { display: flex; }
            .hero h1 { font-size: 40px; }
        }

        @media (max-width: 768px) {
            .container { padding: 0 18px; }
            .hero { min-height: 500px; padding: 60px 0 80px; }
            .hero h1 { font-size: 34px; }
            .hero-desc { font-size: 16px; }
            .section { padding: 56px 0; }
            .section-head h2 { font-size: 28px; }
            .info-layout { grid-template-columns: 1fr; }
            .category-grid { grid-template-columns: 1fr; }
            .featured-grid { grid-template-columns: 1fr; }
            .process-grid { grid-template-columns: 1fr; }
            .stats-grid { grid-template-columns: 1fr 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 32px; }
            .hero-stats { gap: 20px; }
            .cta-section { padding: 56px 0; }
            .cta-inner h2 { font-size: 28px; }
            .btn { padding: 9px 18px; font-size: 14px; }
            .site-footer { padding: 48px 0 0; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        @media (max-width: 520px) {
            .header-inner { gap: 16px; }
            .logo { font-size: 18px; }
            .header-actions .btn-primary { display: none; }
            .hero h1 { font-size: 30px; }
            .hero-stats { flex-direction: column; gap: 14px; }
            .stats-grid { grid-template-columns: 1fr; }
            .info-item { flex-direction: column; align-items: flex-start; gap: 6px; }
            .info-item .meta { margin-left: 0; }
            .faq-question { font-size: 15px; padding: 16px 18px; }
            .faq-answer p { padding: 0 18px 16px; }
            .section-head p { font-size: 14px; }
        }

        @media (max-width: 380px) {
            .logo { font-size: 16px; }
            .logo::before { width: 26px; height: 26px; }
            .hero h1 { font-size: 26px; }
        }

        img[data-watermarked] {
            border-radius: var(--radius);
        }
        .cover img, .media img, .category-card .cover img, .category-card .cover img {
            object-cover: cover;
        }

/* roulang page: category1 */
:root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #ff6b35;
            --accent-hover: #e85a26;
            --accent-soft: #fff1eb;
            --bg: #f5f6fa;
            --bg-alt: #eef0f6;
            --white: #ffffff;
            --text: #1a1f36;
            --text-muted: #64748b;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 23, 42, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 23, 42, 0.12);
            --spacing: 80px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border: 0;
        }

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

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: 1220px;
            margin: 0 auto;
            padding: 0 28px;
        }

        ::selection {
            background: var(--accent);
            color: #fff;
        }

        :focus-visible {
            outline: 3px solid rgba(255, 107, 53, 0.4);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Header & SaaS 导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 1px 0 rgba(15, 23, 42, 0.02);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 68px;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .brand-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--accent), #ff9a5c);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35);
        }

        .brand-name {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.01em;
            color: var(--primary);
            white-space: nowrap;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            flex: 1;
            justify-content: center;
        }

        .site-nav a {
            padding: 8px 16px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            position: relative;
        }

        .site-nav a:hover {
            color: var(--primary);
            background: var(--bg-alt);
        }

        .site-nav a.active {
            color: var(--accent);
            background: var(--accent-soft);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .cmd-search {
            display: flex;
            align-items: center;
            gap: 8px;
            background: var(--bg-alt);
            border: 1px solid var(--border);
            border-radius: 999px;
            padding: 7px 14px;
            min-width: 210px;
            color: var(--text-muted);
            font-size: 13px;
            cursor: text;
            transition: var(--transition);
        }

        .cmd-search:hover {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(255, 107, 53, 0.08);
        }

        .cmd-search .fa-magnifying-glass {
            color: var(--text-muted);
        }

        .cmd-search span {
            flex: 1;
        }

        .cmd-search kbd {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: 6px;
            padding: 1px 6px;
            font-size: 11px;
            color: var(--text-muted);
            font-family: inherit;
            box-shadow: 0 1px 2px rgba(0, 0, 0, 0.05);
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            box-shadow: 0 2px 8px rgba(15, 23, 42, 0.15);
        }

        .btn-primary:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255, 107, 53, 0.25);
        }

        .btn-primary:active {
            transform: translateY(0);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: #fff;
            padding: 9px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: 1.5px solid rgba(255, 255, 255, 0.35);
            transition: var(--transition);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 10px 26px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.08);
        }

        .btn-light:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(255, 107, 53, 0.25);
        }

        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg-alt);
            color: var(--primary);
            font-size: 17px;
            cursor: pointer;
        }

        /* ===== Page Banner ===== */
        .page-banner {
            position: relative;
            padding: 96px 0 76px;
            background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.78) 55%, rgba(255, 107, 53, 0.25) 100%),
                url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #fff;
            border-bottom: 4px solid var(--accent);
        }

        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 107, 53, 0.18);
            border: 1px solid rgba(255, 107, 53, 0.4);
            color: #ffb396;
            padding: 6px 18px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 0.05em;
        }

        .page-banner h1 {
            font-size: 44px;
            line-height: 1.2;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .page-banner h1 span {
            color: var(--accent);
        }

        .page-banner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 620px;
            margin: 0 auto 34px;
            line-height: 1.8;
        }

        .banner-search {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: rgba(255, 255, 255, 0.14);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: 999px;
            padding: 8px 8px 8px 22px;
            max-width: 560px;
            margin: 0 auto 24px;
            transition: var(--transition);
        }

        .banner-search:focus-within {
            border-color: var(--accent);
            background: rgba(255, 255, 255, 0.2);
        }

        .banner-search i {
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
        }

        .banner-search input {
            flex: 1;
            background: transparent;
            color: #fff;
            font-size: 15px;
            padding: 8px 0;
        }

        .banner-search input::placeholder {
            color: rgba(255, 255, 255, 0.55);
        }

        .banner-search button {
            background: var(--accent);
            color: #fff;
            border-radius: 999px;
            padding: 9px 24px;
            font-size: 14px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .banner-search button:hover {
            background: #fff;
            color: var(--primary);
        }

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

        .banner-tags a {
            color: rgba(255, 255, 255, 0.75);
            font-size: 13px;
            padding: 5px 14px;
            border-radius: 999px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.14);
            transition: var(--transition);
        }

        .banner-tags a:hover {
            background: var(--accent);
            border-color: var(--accent);
            color: #fff;
        }

        /* ===== Section 通用 ===== */
        .section {
            padding: var(--spacing) 0;
        }

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

        .section-white {
            background: #fff;
        }

        .section-head {
            text-align: center;
            max-width: 680px;
            margin: 0 auto 48px;
        }

        .section-kicker {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            color: var(--accent);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            background: var(--accent-soft);
            padding: 5px 16px;
            border-radius: 999px;
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            line-height: 1.25;
            margin-bottom: 12px;
        }

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

        /* ===== 分类栏目卡片 ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .category-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }

        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: linear-gradient(90deg, var(--accent), #ff9a5c);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.4s ease;
        }

        .category-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
            border-color: rgba(255, 107, 53, 0.3);
        }

        .category-card:hover::before {
            transform: scaleX(1);
        }

        .category-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--accent-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 21px;
            color: var(--accent);
            margin-bottom: 18px;
        }

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

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

        .category-card a {
            margin-top: 18px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent);
        }

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

        /* ===== 最新资讯列表 ===== */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        .news-item {
            display: flex;
            gap: 20px;
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 16px;
            transition: var(--transition);
            align-items: center;
        }

        .news-item:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(255, 107, 53, 0.25);
            transform: translateY(-2px);
        }

        .news-thumb {
            width: 230px;
            height: 140px;
            flex-shrink: 0;
            border-radius: var(--radius-sm);
            overflow: hidden;
            position: relative;
        }

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

        .news-item:hover .news-thumb img {
            transform: scale(1.05);
        }

        .news-thumb .thumb-tag {
            position: absolute;
            top: 10px;
            left: 10px;
            background: rgba(15, 23, 42, 0.85);
            color: #fff;
            font-size: 12px;
            padding: 3px 10px;
            border-radius: 999px;
            backdrop-filter: blur(4px);
        }

        .news-body {
            flex: 1;
            min-width: 0;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 8px;
        }

        .news-meta .badge {
            background: var(--accent-soft);
            color: var(--accent);
            padding: 2px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
        }

        .news-meta .badge.hot {
            background: #fee2e2;
            color: #dc2626;
        }

        .news-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--primary);
        }

        .news-body h3 a {
            color: var(--primary);
        }

        .news-body h3 a:hover {
            color: var(--accent);
        }

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

        /* ===== 热门排行 ===== */
        .rank-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }

        .rank-list {
            display: flex;
            flex-direction: column;
        }

        .rank-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 0;
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }

        .rank-item:last-child {
            border-bottom: none;
            padding-bottom: 0;
        }

        .rank-item:first-child {
            padding-top: 0;
        }

        .rank-item:hover {
            padding-left: 8px;
        }

        .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-muted);
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-number {
            background: var(--accent);
            color: #fff;
        }

        .rank-item:nth-child(2) .rank-number {
            background: var(--primary);
            color: #fff;
        }

        .rank-item:nth-child(3) .rank-number {
            background: #f59e0b;
            color: #fff;
        }

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

        .rank-info h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 4px;
        }

        .rank-info .rank-sub {
            font-size: 13px;
            color: var(--text-muted);
        }

        .rank-bar {
            width: 160px;
            height: 8px;
            background: var(--bg-alt);
            border-radius: 999px;
            overflow: hidden;
            position: relative;
        }

        .rank-bar span {
            display: block;
            height: 100%;
            border-radius: 999px;
            background: linear-gradient(90deg, var(--accent), #ff9a5c);
            transition: width 1s ease;
        }

        .rank-value {
            font-size: 14px;
            font-weight: 700;
            color: var(--primary);
            min-width: 40px;
            text-align: right;
        }

        /* ===== 统计数字 ===== */
        .stats-section {
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
        }

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

        .stat-item {
            text-align: center;
            position: relative;
        }

        .stat-item:not(:last-child)::after {
            content: '';
            position: absolute;
            right: -16px;
            top: 50%;
            transform: translateY(-50%);
            width: 1px;
            height: 48px;
            background: rgba(255, 255, 255, 0.12);
        }

        .stat-number {
            font-size: 42px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
            margin-bottom: 6px;
            letter-spacing: -0.02em;
        }

        .stat-label {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.75);
        }

        /* ===== 近期赛事 ===== */
        .match-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .match-card {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 26px;
            text-align: center;
            transition: var(--transition);
        }

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

        .match-league {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .match-teams {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 18px;
            margin-bottom: 16px;
        }

        .team {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 8px;
        }

        .team-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 17px;
            color: var(--primary);
        }

        .team-name {
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
        }

        .match-vs {
            font-size: 18px;
            font-weight: 800;
            color: var(--text-muted);
        }

        .match-time {
            font-size: 14px;
            color: var(--text-muted);
            background: var(--bg-alt);
            padding: 8px 16px;
            border-radius: 999px;
            display: inline-block;
        }

        /* ===== 精选看点 ===== */
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .feature-card {
            border-radius: var(--radius);
            overflow: hidden;
            position: relative;
            background: #fff;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

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

        .feature-image {
            position: relative;
            height: 220px;
            overflow: hidden;
        }

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

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

        .feature-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 60%;
            background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
        }

        .feature-body {
            padding: 22px;
            position: relative;
        }

        .feature-body .feature-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--accent);
            background: var(--accent-soft);
            padding: 3px 12px;
            border-radius: 999px;
            margin-bottom: 10px;
        }

        .feature-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .feature-body h3 a {
            color: var(--primary);
        }

        .feature-body h3 a:hover {
            color: var(--accent);
        }

        .feature-body p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .feature-meta {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .feature-meta .views {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .faq-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius);
            margin-bottom: 14px;
            transition: var(--transition);
            overflow: hidden;
        }

        .faq-item:hover {
            border-color: rgba(255, 107, 53, 0.3);
            box-shadow: var(--shadow-sm);
        }

        .faq-item summary {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            cursor: pointer;
            list-style: none;
            transition: var(--transition);
        }

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

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

        .faq-item summary .faq-icon {
            width: 30px;
            height: 30px;
            border-radius: 50%;
            background: var(--bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--accent);
            flex-shrink: 0;
            transition: transform 0.4s ease;
        }

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

        .faq-item .faq-answer {
            padding: 0 24px 22px 70px;
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.75;
        }

        .faq-item .faq-answer p:last-child {
            margin-bottom: 0;
        }

        /* ===== CTA ===== */
        .cta-section {
            position: relative;
            padding: 80px 0;
            background: linear-gradient(120deg, var(--primary) 0%, #1e293b 60%, #3b2f2f 100%);
            color: #fff;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255, 107, 53, 0.35), transparent 70%);
            border-radius: 50%;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cta-text h2 {
            font-size: 30px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 560px;
            line-height: 1.7;
        }

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

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .site-name {
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 14px;
            letter-spacing: -0.01em;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.75;
            color: rgba(255, 255, 255, 0.55);
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            transition: var(--transition);
        }

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

        .footer-contact p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: var(--accent);
        }

        .footer-bottom {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .cmd-search span {
                display: none;
            }
            .cmd-search {
                min-width: 44px;
                width: 44px;
                padding: 8px;
                justify-content: center;
            }
            .cmd-search kbd {
                display: none;
            }
            .category-grid,
            .feature-grid,
            .match-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 40px 24px;
            }
            .stat-item:not(:last-child)::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .rank-bar {
                width: 100px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --spacing: 56px;
            }

            .menu-toggle {
                display: flex;
            }

            .site-nav {
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 16px 32px rgba(0, 0, 0, 0.1);
                display: none;
                border-radius: 0 0 16px 16px;
            }

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

            .site-nav a {
                width: 100%;
                border-radius: 10px;
                padding: 12px 16px;
            }

            .header-actions .cmd-search {
                display: none;
            }

            .header-inner {
                height: 60px;
            }

            .site-nav {
                top: 60px;
            }

            .page-banner {
                padding: 70px 0 56px;
            }

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

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

            .banner-search {
                flex-wrap: wrap;
                border-radius: 16px;
                padding: 10px;
            }

            .banner-search input {
                min-width: 140px;
            }

            .banner-search button {
                width: 100%;
            }

            .news-item {
                flex-direction: column;
                align-items: flex-start;
            }

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

            .category-grid,
            .feature-grid,
            .match-grid {
                grid-template-columns: 1fr;
            }

            .rank-item {
                flex-wrap: wrap;
                gap: 10px;
            }

            .rank-bar {
                width: 100%;
                flex: 1;
                max-width: none;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-actions {
                justify-content: center;
            }

            .faq-item summary {
                padding: 16px;
                font-size: 15px;
            }

            .faq-item .faq-answer {
                padding: 0 16px 18px 50px;
                font-size: 14px;
            }

            .stat-number {
                font-size: 34px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 18px;
            }

            .brand-name {
                font-size: 17px;
                white-space: nowrap;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }

            .header-actions .btn-primary {
                padding: 8px 16px;
                font-size: 13px;
            }

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

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

            .news-meta {
                flex-wrap: wrap;
            }

            .news-thumb {
                height: 150px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px 16px;
            }

            .stat-number {
                font-size: 30px;
            }

            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

/* roulang page: article */
:root {
  --primary: #143a75;
  --primary-dark: #0e2a55;
  --primary-light: #3a7bd5;
  --accent: #ff6b35;
  --accent-dark: #e5511f;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --bg-dark: #0e1b2e;
  --text: #1e293b;
  --text-secondary: #55657a;
  --text-light: #8b98ad;
  --border: #e2e8f0;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 20px;
  --shadow: 0 4px 20px rgba(0, 0, 0, 0.07);
  --shadow-lg: 0 16px 40px rgba(0, 0, 0, 0.10);
  --transition: all 0.3s ease;
  --font-family: "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

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

html {
  scroll-behavior: smooth;
  -webkit-text-size-adjust: 100%;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.7;
  color: var(--text);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul,
ol {
  list-style: none;
}

button,
input {
  font-family: inherit;
  font-size: inherit;
  border: none;
  background: none;
  outline: none;
}

.container {
  width: 100%;
  max-width: 1240px;
  margin: 0 auto;
  padding: 0 24px;
}

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.4;
  cursor: pointer;
  text-align: center;
  transition: var(--transition);
  border: 1px solid transparent;
  white-space: nowrap;
}

.btn-primary {
  background: linear-gradient(135deg, var(--primary), var(--primary-light));
  color: #fff;
  box-shadow: 0 4px 14px rgba(20, 58, 117, 0.30);
}

.btn-primary:hover {
  background: linear-gradient(135deg, var(--primary-dark), var(--primary));
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(20, 58, 117, 0.35);
  color: #fff;
}

.btn-accent {
  background: linear-gradient(135deg, var(--accent), #ff9356);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 53, 0.30);
}

.btn-accent:hover {
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(255, 107, 53, 0.38);
  color: #fff;
}

.btn-outline-light {
  border-color: rgba(255, 255, 255, 0.6);
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
  backdrop-filter: blur(4px);
}

.btn-outline-light:hover {
  border-color: #fff;
  background: rgba(255, 255, 255, 0.16);
  color: #fff;
}

.btn-sm {
  padding: 8px 18px;
  font-size: 14px;
}

.btn-block {
  width: 100%;
}

/* ===== 徽章 / 标签 ===== */
.badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  background: rgba(20, 58, 117, 0.08);
  color: var(--primary);
  border: 1px solid rgba(20, 58, 117, 0.12);
}

.badge-accent {
  background: rgba(255, 107, 53, 0.12);
  color: var(--accent-dark);
  border-color: rgba(255, 107, 53, 0.18);
}

.tag-item {
  display: inline-block;
  padding: 4px 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  cursor: pointer;
  transition: var(--transition);
}

.tag-item:hover {
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.26);
  color: var(--accent-dark);
}

/* ===== 顶部导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.94);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border);
}

.nav-wrap {
  display: flex;
  align-items: center;
  height: 72px;
  gap: 32px;
}

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.22rem;
  font-weight: 800;
  color: var(--primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}

.logo i {
  font-size: 1.5rem;
  color: var(--accent);
  background: rgba(255, 107, 53, 0.1);
  border-radius: 12px;
  padding: 6px;
  width: 38px;
  height: 38px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.site-nav {
  display: flex;
  align-items: center;
  gap: 30px;
}

.site-nav a {
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  padding: 6px 2px;
  position: relative;
  transition: var(--transition);
}

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

.site-nav a.active {
  color: var(--primary);
  font-weight: 600;
}

.site-nav a.active::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 3px;
  border-radius: 3px;
  background: var(--accent);
}

.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-left: auto;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  padding: 0 16px;
  height: 42px;
  width: 220px;
  transition: var(--transition);
}

.search-box:focus-within {
  border-color: var(--primary-light);
  box-shadow: 0 0 0 3px rgba(20, 58, 117, 0.08);
  background: #fff;
}

.search-box i {
  color: var(--text-light);
  font-size: 14px;
}

.search-box input {
  border: none;
  background: transparent;
  width: 100%;
  font-size: 14px;
  color: var(--text);
}

.search-box input::placeholder {
  color: var(--text-light);
}

.nav-toggle {
  display: none;
  font-size: 1.4rem;
  color: var(--text);
  cursor: pointer;
  padding: 8px;
  border-radius: 8px;
  background: var(--bg);
  border: 1px solid var(--border);
  transition: var(--transition);
}

.nav-toggle:hover {
  background: var(--border);
}

/* ===== 文章 Hero ===== */
.post-hero {
  position: relative;
  background-color: var(--bg-dark);
  background-size: cover;
  background-position: center;
  padding: 110px 0 150px;
  color: #fff;
}

.post-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(14, 27, 46, 0.93), rgba(14, 27, 46, 0.80), rgba(14, 27, 46, 0.60));
}

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

.breadcrumb {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.65);
  margin-bottom: 26px;
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.70);
  transition: var(--transition);
}

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

.breadcrumb .sep {
  color: rgba(255, 255, 255, 0.4);
}

.breadcrumb .current {
  color: rgba(255, 255, 255, 0.9);
}

.post-hero-title {
  font-size: clamp(1.7rem, 3.4vw, 2.6rem);
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: 0.01em;
  max-width: 860px;
  margin-bottom: 22px;
  text-shadow: 0 2px 16px rgba(0, 0, 0, 0.2);
}

.post-hero-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.85);
}

.post-hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 7px;
}

.post-hero-meta i {
  color: rgba(255, 255, 255, 0.65);
}

/* ===== 文章主体布局 ===== */
.post-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 320px;
  gap: 40px;
  margin-top: -72px;
  position: relative;
  z-index: 5;
}

.post-main-col {
  min-width: 0;
}

.post-article {
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 44px;
  border: 1px solid rgba(255, 255, 255, 0.8);
}

.post-cover {
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 36px;
  position: relative;
}

.post-cover img {
  width: 100%;
  aspect-ratio: 16 / 8;
  object-fit: cover;
}

.post-cover::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(0, 0, 0, 0.08), transparent 50%);
  pointer-events: none;
}

.post-content {
  font-size: 16px;
  color: #334155;
  line-height: 1.9;
}

.post-content h2,
.post-content h3,
.post-content h4 {
  color: var(--text);
  font-weight: 700;
  line-height: 1.4;
  margin-top: 2rem;
  margin-bottom: 0.9rem;
}

.post-content h2 {
  font-size: 1.55rem;
  padding-left: 14px;
  border-left: 4px solid var(--accent);
  border-radius: 2px;
}

.post-content h3 {
  font-size: 1.25rem;
}

.post-content h4 {
  font-size: 1.1rem;
  color: var(--primary);
}

.post-content p {
  margin-bottom: 1.25rem;
}

.post-content ul,
.post-content ol {
  margin: 0 0 1.5rem 1.6rem;
}

.post-content ul {
  list-style: disc;
}

.post-content ol {
  list-style: decimal;
}

.post-content li {
  margin-bottom: 0.5rem;
}

.post-content blockquote {
  border-left: 4px solid var(--primary);
  background: #f0f4fa;
  padding: 16px 22px;
  border-radius: 0 12px 12px 0;
  margin: 1.5rem 0;
  color: var(--text-secondary);
  font-style: italic;
}

.post-content blockquote p {
  margin-bottom: 0;
}

.post-content img {
  border-radius: var(--radius);
  margin: 1.5rem 0;
  box-shadow: var(--shadow);
}

.post-content a {
  color: var(--primary);
  font-weight: 500;
  border-bottom: 1px solid rgba(20, 58, 117, 0.24);
}

.post-content a:hover {
  color: var(--accent-dark);
  border-color: var(--accent-dark);
}

.post-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 1.5rem 0;
  font-size: 14px;
}

.post-content table th,
.post-content table td {
  border: 1px solid var(--border);
  padding: 10px 14px;
  text-align: left;
}

.post-content table th {
  background: var(--bg);
  font-weight: 600;
  color: var(--text);
}

.post-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  margin-top: 40px;
  padding-top: 28px;
  border-top: 1px solid var(--border);
}

.tag-label {
  font-size: 14px;
  color: var(--text-light);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

/* ===== 侧边栏 ===== */
.post-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  min-width: 0;
}

.sidebar-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 28px;
  border: 1px solid rgba(255, 255, 255, 0.7);
}

.sidebar-title {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.sidebar-title i {
  color: var(--accent);
  font-size: 1.1rem;
  background: rgba(255, 107, 53, 0.1);
  width: 30px;
  height: 30px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
}

.side-list li {
  border-bottom: 1px solid #f0f2f5;
  padding: 11px 0;
}

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

.side-list a {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.5;
  display: block;
  transition: var(--transition);
}

.side-list a:hover {
  color: var(--accent-dark);
  padding-left: 5px;
}

.side-list .side-date {
  display: block;
  font-size: 12px;
  color: var(--text-light);
  margin-top: 4px;
}

.tag-cloud {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.tag-cloud a {
  display: inline-block;
  padding: 6px 16px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 999px;
  font-size: 13px;
  color: var(--text-secondary);
  transition: var(--transition);
}

.tag-cloud a:hover {
  background: rgba(255, 107, 53, 0.08);
  border-color: rgba(255, 107, 53, 0.28);
  color: var(--accent-dark);
}

.sidebar-cta {
  background: linear-gradient(135deg, var(--primary), var(--primary-dark));
  color: #fff;
  border: none;
  position: relative;
  overflow: hidden;
}

.sidebar-cta::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 130px;
  height: 130px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.07);
}

.sidebar-cta h3 {
  font-size: 1.18rem;
  margin-bottom: 10px;
  color: #fff;
}

.sidebar-cta p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.72);
  margin-bottom: 18px;
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 80px 0 20px;
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 36px;
  flex-wrap: wrap;
  gap: 16px;
}

.section-head h2 {
  font-size: 1.7rem;
  font-weight: 700;
  color: var(--text);
  position: relative;
  padding-bottom: 10px;
}

.section-head h2::after {
  content: "";
  position: absolute;
  bottom: 0;
  left: 0;
  width: 48px;
  height: 4px;
  border-radius: 4px;
  background: var(--accent);
}

.link-more {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  color: var(--primary);
  transition: var(--transition);
}

.link-more:hover {
  color: var(--accent-dark);
  gap: 12px;
}

.post-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.post-card {
  background: var(--bg-white);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid #f0f2f5;
  box-shadow: var(--shadow);
  transition: var(--transition);
}

.post-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
}

.card-cover {
  position: relative;
  display: block;
  overflow: hidden;
  aspect-ratio: 16 / 9;
  background: var(--bg);
}

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

.post-card:hover .card-cover img {
  transform: scale(1.04);
}

.card-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, 0.94);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: 999px;
  box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
}

.card-body {
  padding: 22px 24px 26px;
}

.card-body h3 {
  font-size: 1.05rem;
  font-weight: 700;
  color: var(--text);
  line-height: 1.5;
  margin-bottom: 10px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  min-height: 48px;
}

.card-body h3 a {
  color: var(--text);
}

.card-body h3 a:hover {
  color: var(--accent-dark);
}

.card-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.65;
  margin-bottom: 16px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.card-meta {
  display: flex;
  align-items: center;
  gap: 18px;
  font-size: 13px;
  color: var(--text-light);
}

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

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  margin-top: 40px;
  position: relative;
  background-image: url("/assets/images/backpic/back-3.png");
  background-size: cover;
  background-position: center;
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(14, 27, 46, 0.94), rgba(20, 58, 117, 0.86));
}

.cta-section .container {
  position: relative;
  z-index: 2;
  text-align: center;
}

.cta-card {
  max-width: 860px;
  margin: 0 auto;
  padding: 20px 0;
}

.cta-card h2 {
  font-size: clamp(1.5rem, 2.8vw, 2.1rem);
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.4;
}

.cta-card p {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.78);
  max-width: 620px;
  margin: 0 auto 32px;
}

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

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-dark);
  color: rgba(255, 255, 255, 0.75);
  padding: 76px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.6fr 1fr 1fr 1.2fr;
  gap: 48px;
  padding-bottom: 52px;
}

.footer-brand .site-name {
  font-size: 1.35rem;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.75;
  color: rgba(255, 255, 255, 0.55);
  max-width: 320px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 24px;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  transition: var(--transition);
}

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

.footer-contact p {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.55);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact i {
  color: var(--accent);
  width: 18px;
  text-align: center;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* ===== 内容未找到 ===== */
.article-missing {
  min-height: 500px;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 80px 24px;
}

.missing-card {
  text-align: center;
  background: var(--bg-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-lg);
  padding: 60px 48px;
  max-width: 520px;
  width: 100%;
}

.missing-card .missing-icon {
  font-size: 3.5rem;
  color: var(--text-light);
  margin-bottom: 22px;
  background: var(--bg);
  width: 90px;
  height: 90px;
  border-radius: 50%;
  display: flex;
  align-items: center;
  justify-content: center;
  margin-left: auto;
  margin-right: auto;
}

.missing-card h1 {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 12px;
}

.missing-card p {
  font-size: 15px;
  color: var(--text-secondary);
  margin-bottom: 28px;
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-wrap {
    gap: 20px;
  }

  .search-box {
    width: 160px;
  }

  .site-nav {
    gap: 18px;
  }

  .post-layout {
    grid-template-columns: minmax(0, 1fr) 280px;
    gap: 28px;
  }

  .post-article {
    padding: 34px;
  }

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

@media (max-width: 820px) {
  .nav-actions .search-box {
    display: none;
  }

  .nav-toggle {
    display: block;
    margin-left: auto;
  }

  .site-nav {
    position: fixed;
    top: 72px;
    left: 0;
    right: 0;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 24px 30px;
    gap: 18px;
    border-bottom: 1px solid var(--border);
    box-shadow: var(--shadow-lg);
    transform: translateY(-120%);
    transition: var(--transition);
    visibility: hidden;
    z-index: 99;
  }

  .site-nav.open {
    transform: translateY(0);
    visibility: visible;
  }

  .site-nav a.active::after {
    display: none;
  }

  .site-nav a.active {
    color: var(--accent-dark);
  }

  .post-layout {
    grid-template-columns: 1fr;
  }

  .post-sidebar {
    order: 2;
  }

  .post-hero {
    padding: 80px 0 120px;
  }

  .post-layout {
    margin-top: -48px;
  }

  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 36px;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 18px;
  }

  .logo {
    font-size: 1.05rem;
  }

  .logo i {
    font-size: 1.1rem;
    width: 32px;
    height: 32px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }

  .post-hero {
    padding: 64px 0 100px;
  }

  .post-hero-title {
    font-size: 1.45rem;
  }

  .post-article {
    padding: 22px 18px;
  }

  .post-content {
    font-size: 15px;
  }

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

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

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

  .cta-actions .btn {
    width: 100%;
    max-width: 300px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
    padding-bottom: 36px;
  }

  .footer-brand p {
    max-width: 100%;
  }

  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }

  .breadcrumb {
    font-size: 13px;
    margin-bottom: 18px;
  }

  .post-hero-meta {
    gap: 10px;
    font-size: 13px;
    flex-direction: column;
    align-items: flex-start;
  }

  .sidebar-card {
    padding: 22px;
  }

  .missing-card {
    padding: 40px 24px;
  }
}

/* roulang page: category2 */
:root {
            --primary: #4F46E5;
            --primary-light: #6366F1;
            --primary-dark: #3730A3;
            --primary-soft: #EEF2FF;
            --accent: #F59E0B;
            --accent-soft: #FEF3C7;
            --dark-bg: #0F172A;
            --dark-panel: #1E293B;
            --body-bg: #F8FAFC;
            --white: #FFFFFF;
            --text-main: #1E293B;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --border-light: #E2E8F0;
            --border-medium: #CBD5E1;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-full: 999px;
            --shadow-sm: 0 1px 3px rgba(0,0,0,0.06), 0 1px 2px rgba(0,0,0,0.04);
            --shadow-md: 0 4px 12px rgba(0,0,0,0.08), 0 2px 6px rgba(0,0,0,0.04);
            --shadow-lg: 0 12px 32px rgba(0,0,0,0.12), 0 4px 12px rgba(0,0,0,0.08);
            --shadow-primary: 0 8px 20px rgba(79,70,229,0.25);
            --transition-base: all 0.2s ease-in-out;
            --container-max: 1200px;
            --header-height: 72px;
            --section-space: 96px;

            --brand-gradient: linear-gradient(150deg, #4F46E5, #3730A3);
            --soft-gradient: linear-gradient(150deg, #EEF2FF, #FFFFFF);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: var(--header-height);
        }

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

        body.no-scroll {
            overflow: hidden;
        }

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

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

        ul,
        ol {
            list-style: none;
        }

        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
        }

        .container {
            width: 100%;
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

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

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

        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
            margin-bottom: 16px;
            line-height: 1.3;
        }

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

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

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

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

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

        .text-muted {
            color: var(--text-muted);
        }

        .eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-full);
            margin-bottom: 16px;
        }

        .eyebrow.light {
            background: rgba(255,255,255,0.15);
            color: #fff;
        }

        .eyebrow i {
            font-size: 12px;
        }

        /* Buttons */
        .btn-group {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            align-items: center;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 16px;
            line-height: 1.4;
            cursor: pointer;
            transition: var(--transition-base);
            border: 2px solid transparent;
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: var(--white);
            box-shadow: var(--shadow-primary);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            box-shadow: 0 12px 28px rgba(79,70,229,0.35);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border-color: var(--border-medium);
            color: var(--text-main);
        }

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

        .btn-outline.light {
            border-color: rgba(255,255,255,0.5);
            color: #fff;
        }

        .btn-outline.light:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.1);
            color: #fff;
        }

        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }

        .btn-block {
            width: 100%;
        }

        /* Badges */
        .badge {
            display: inline-flex;
            align-items: center;
            padding: 4px 12px;
            font-size: 13px;
            font-weight: 600;
            border-radius: var(--radius-full);
            line-height: 1.5;
        }

        .badge-primary {
            background: var(--primary-soft);
            color: var(--primary);
        }

        .badge-accent {
            background: var(--accent-soft);
            color: #B45309;
        }

        .badge-green {
            background: #DCFCE7;
            color: #166534;
        }

        .badge-gray {
            background: #F1F5F9;
            color: #475569;
        }

        .badge-red {
            background: #FEE2E2;
            color: #B91C1C;
        }

        /* Nav */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            display: flex;
            align-items: center;
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }

        .logo-badge {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--brand-gradient);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: var(--shadow-primary);
        }

        .site-name {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .site-nav-wrap {
            display: flex;
            align-items: center;
            gap: 28px;
            flex: 1;
            justify-content: center;
        }

        .site-nav {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .site-nav a {
            display: inline-flex;
            align-items: center;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            color: var(--text-body);
            font-weight: 500;
            font-size: 15px;
            position: relative;
        }

        .site-nav a:hover {
            color: var(--primary);
            background: var(--primary-soft);
        }

        .site-nav a.active {
            color: var(--primary);
            background: var(--primary-soft);
            font-weight: 600;
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            display: flex;
            align-items: center;
        }

        .search-box input {
            width: 180px;
            height: 40px;
            padding: 0 16px 0 40px;
            background: var(--gray-light);
            border-radius: var(--radius-full);
            font-size: 14px;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }

        .search-box input:focus {
            border-color: var(--primary);
            width: 240px;
            box-shadow: 0 0 0 4px rgba(79,70,229,0.08);
        }

        .search-box i {
            position: absolute;
            left: 16px;
            color: var(--text-muted);
            font-size: 14px;
            pointer-events: none;
        }

        .header-cta {
            padding: 10px 22px;
            border-radius: var(--radius-full);
            background: var(--primary);
            color: #fff;
            font-weight: 500;
            font-size: 14px;
            box-shadow: var(--shadow-primary);
            transition: var(--transition-base);
        }

        .header-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 22px rgba(79,70,229,0.35);
        }

        .header-actions .mobile-menu-btn {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: var(--text-main);
            border: 1px solid var(--border-light);
            background: var(--white);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .header-actions .mobile-menu-btn:hover {
            background: var(--primary-soft);
            border-color: var(--primary);
            color: var(--primary);
        }

        /* Hero */
        .page-hero {
            position: relative;
            background: linear-gradient(130deg, rgba(15, 23, 42, 0.92), rgba(79, 70, 229, 0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
            padding: 96px 0 88px;
        }

        .hero-inner {
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
        }

        .hero-title {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.2;
            letter-spacing: -0.02em;
            color: #fff;
            margin-bottom: 20px;
            max-width: 640px;
        }

        .hero-title span {
            color: #C7D2FE;
        }

        .hero-text {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.85);
            max-width: 680px;
            margin-bottom: 32px;
        }

        .hero-tags {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 12px;
        }

        .hero-tags span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: rgba(255, 255, 255, 0.9);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-size: 14px;
            backdrop-filter: blur(8px);
        }

        .breadcrumb-area {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 16px;
        }

        .breadcrumb-area a {
            color: rgba(255, 255, 255, 0.7);
        }

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

        .breadcrumb-area i {
            font-size: 12px;
        }

        /* Card Grid */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
        }

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

        .guide-card-image {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .guide-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

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

        .guide-card-image .card-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
        }

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

        .guide-card-body h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 12px;
            line-height: 1.5;
        }

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

        .guide-card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-light);
        }

        .guide-card-footer .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .card-meta i {
            font-size: 13px;
        }

        .guide-card-footer .card-link {
            color: var(--primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .guide-card-footer .card-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* Topic Features */
        .topic-features {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .topic-feature {
            padding: 32px;
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            transition: var(--transition-base);
        }

        .topic-feature:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--border-medium);
            transform: translateY(-4px);
        }

        .topic-feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: var(--primary-soft);
            color: var(--primary);
            font-size: 22px;
            margin-bottom: 20px;
        }

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

        .topic-feature p {
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-body);
        }

        /* Ranking / Leaderboard */
        .rank-panel {
            background: var(--white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-light);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }

        .rank-panel-header {
            padding: 24px 28px;
            border-bottom: 1px solid var(--border-light);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .rank-panel-header h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--text-main);
        }

        .rank-panel-body {
            padding: 8px 0;
        }

        .rank-item {
            display: flex;
            align-items: center;
            padding: 16px 28px;
            transition: var(--transition-base);
            border-bottom: 1px solid #F8FAFC;
        }

        .rank-item:hover {
            background: var(--primary-soft);
        }

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

        .rank-number {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: #F1F5F9;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 700;
            color: var(--text-body);
            margin-right: 16px;
            flex-shrink: 0;
        }

        .rank-item:nth-child(1) .rank-number {
            background: var(--accent-soft);
            color: #B45309;
        }

        .rank-item:nth-child(2) .rank-number {
            background: #F1F5F9;
            color: #475569;
        }

        .rank-item:nth-child(3) .rank-number {
            background: #FEF3C7;
            color: #B45309;
        }

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

        .rank-info h4 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .rank-info p {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 2px;
        }

        .rank-value {
            text-align: right;
            flex-shrink: 0;
        }

        .rank-value strong {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            display: block;
        }

        .rank-value span {
            font-size: 12px;
            color: var(--text-muted);
        }

        .rank-tag {
            margin-left: 12px;
            flex-shrink: 0;
        }

        /* Step Timeline */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            counter-reset: step;
        }

        .step-item {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 28px;
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition-base);
        }

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

        .step-number {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 18px;
            margin-bottom: 16px;
            box-shadow: var(--shadow-primary);
        }

        .step-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .step-item p {
            font-size: 14px;
            color: var(--text-body);
            line-height: 1.7;
        }

        /* FAQ */
        .faq-section {
            background: var(--soft-gradient);
        }

        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

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

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 17px;
            font-weight: 600;
            color: var(--text-main);
            cursor: pointer;
            text-align: left;
            background: var(--white);
            transition: var(--transition-base);
        }

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

        .faq-question i {
            color: var(--text-muted);
            transition: transform 0.3s ease, color 0.3s ease;
            font-size: 14px;
        }

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

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

        .faq-answer {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
            font-size: 15px;
            color: var(--text-body);
            line-height: 1.8;
        }

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

        /* CTA */
        .cta-section {
            background: var(--brand-gradient);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            right: -200px;
            top: -200px;
            width: 500px;
            height: 500px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50%;
        }

        .cta-inner {
            text-align: center;
            color: #fff;
            position: relative;
            z-index: 1;
            max-width: 700px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: 36px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 32px;
            line-height: 1.8;
        }

        .cta-buttons {
            display: flex;
            gap: 14px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-buttons .btn-white {
            background: #fff;
            color: var(--primary);
            font-weight: 600;
        }

        .cta-buttons .btn-white:hover {
            background: var(--primary-soft);
            transform: translateY(-2px);
            box-shadow: 0 12px 28px rgba(0, 0, 0, 0.15);
        }

        .cta-buttons .btn-ghost {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .cta-buttons .btn-ghost:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-2px);
        }

        /* Footer */
        .site-footer {
            background: var(--dark-bg);
            color: rgba(255, 255, 255, 0.7);
            padding: 64px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 48px;
        }

        .footer-brand .site-name {
            color: #fff;
            margin-bottom: 12px;
            display: block;
        }

        .footer-brand p {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.6);
            transition: var(--transition-base);
        }

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

        .footer-contact p {
            font-size: 14px;
            margin-bottom: 10px;
            color: rgba(255, 255, 255, 0.6);
        }

        .footer-contact i {
            margin-right: 8px;
            color: var(--primary-light);
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.4);
            flex-wrap: wrap;
        }

        /* Avatar group */
        .avatar-group {
            display: flex;
            align-items: center;
        }

        .avatar-group .avatar {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 2px solid var(--white);
            background: var(--primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            margin-left: -8px;
        }

        .avatar-group .avatar:first-child {
            margin-left: 0;
        }

        .avatar-group .avatar-more {
            background: var(--primary);
            color: #fff;
            font-size: 12px;
        }

        /* Stats bar */
        .stats-bar {
            background: var(--white);
            border-radius: var(--radius-lg);
            padding: 32px 40px;
            box-shadow: var(--shadow-md);
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            margin-top: -40px;
            position: relative;
            z-index: 2;
            border: 1px solid var(--border-light);
        }

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

        .stat-item strong {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            display: block;
            letter-spacing: -0.02em;
        }

        .stat-item span {
            font-size: 14px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        .divider {
            height: 1px;
            background: var(--border-light);
            border: none;
            margin: 0;
        }

        /* Notice */
        .notice-bar {
            background: var(--accent-soft);
            border: 1px solid #FDE68A;
            border-radius: var(--radius-md);
            padding: 16px 24px;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 40px;
            font-size: 15px;
            color: #92400E;
        }

        .notice-bar i {
            font-size: 18px;
            flex-shrink: 0;
        }

        /* Comparison table */
        .compare-table {
            width: 100%;
            border-collapse: collapse;
            background: var(--white);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .compare-table th {
            background: var(--primary-soft);
            color: var(--text-main);
            font-weight: 600;
            padding: 16px 20px;
            text-align: left;
            font-size: 15px;
        }

        .compare-table td {
            padding: 16px 20px;
            border-bottom: 1px solid var(--border-light);
            font-size: 15px;
            color: var(--text-body);
        }

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

        .compare-table tr:hover td {
            background: #F8FAFC;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .site-nav-wrap {
                gap: 12px;
            }

            .site-nav a {
                padding: 8px 12px;
                font-size: 14px;
            }

            .search-box {
                display: none;
            }

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

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

            .steps-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --section-space: 64px;
            }

            .site-header {
                height: auto;
                padding: 12px 0;
            }

            .site-nav-wrap {
                position: fixed;
                top: 0;
                right: -100%;
                width: 280px;
                height: 100vh;
                background: var(--white);
                box-shadow: -8px 0 24px rgba(0, 0, 0, 0.08);
                transition: right 0.3s ease;
                display: flex;
                flex-direction: column;
                padding: 80px 24px 24px;
                z-index: 999;
                align-items: flex-start;
            }

            .site-nav-wrap.open {
                right: 0;
            }

            .site-nav {
                flex-direction: column;
                align-items: flex-start;
                gap: 4px;
                width: 100%;
            }

            .site-nav a {
                width: 100%;
                padding: 12px 16px;
            }

            .header-actions .mobile-menu-btn {
                display: flex;
            }

            .header-cta {
                display: none;
            }

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

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

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

            .stats-bar {
                grid-template-columns: repeat(2, 1fr);
                padding: 24px;
                margin-top: -32px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }

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

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

            .hero-title {
                font-size: 32px;
            }

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

            .cta-inner h2 {
                font-size: 28px;
            }

            .rank-item {
                padding: 14px 20px;
                flex-wrap: wrap;
            }

            .rank-value {
                margin-left: 52px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .hero-text {
                font-size: 16px;
            }

            .btn {
                width: 100%;
                justify-content: center;
            }

            .btn-group {
                flex-direction: column;
            }

            .section-title {
                font-size: 24px;
            }

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

            .stat-item strong {
                font-size: 24px;
            }

            .notice-bar {
                flex-direction: column;
                align-items: flex-start;
            }

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

/* roulang page: category3 */
:root{
            --primary:#0f63ff;
            --primary-dark:#0a4ad0;
            --primary-light:#e8f0ff;
            --secondary:#00c6a7;
            --secondary-dark:#00a68c;
            --bg:#ffffff;
            --bg-soft:#f5f8ff;
            --bg-dark:#0b1220;
            --text:#17233d;
            --text-muted:#6b7a99;
            --text-light:#94a3b8;
            --border:#e6ebf5;
            --radius:16px;
            --radius-sm:10px;
            --radius-lg:24px;
            --shadow-sm:0 2px 10px rgba(15,99,255,0.06);
            --shadow-md:0 8px 30px rgba(15,99,255,0.10);
            --shadow-lg:0 20px 50px rgba(15,99,255,0.14);
            --transition:all 0.25s ease;
            --font-base:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
        }
        *{
            margin:0;
            padding:0;
            box-sizing:border-box;
        }
        html{
            scroll-behavior:smooth;
        }
        body{
            font-family:var(--font-base);
            background:var(--bg);
            color:var(--text);
            line-height:1.7;
            font-size:16px;
            -webkit-font-smoothing:antialiased;
        }
        img{
            max-width:100%;
            display:block;
        }
        a{
            color:inherit;
            text-decoration:none;
            transition:var(--transition);
        }
        ul,ol{
            list-style:none;
        }
        button,input,textarea{
            font-family:inherit;
            font-size:inherit;
            border:none;
            outline:none;
        }
        .container{
            max-width:1200px;
            margin:0 auto;
            padding:0 24px;
        }
        .container-sm{
            max-width:960px;
            margin:0 auto;
            padding:0 24px;
        }
        .container-lg{
            max-width:1320px;
            margin:0 auto;
            padding:0 24px;
        }

        /* ===== Header / Nav ===== */
        .site-header{
            position:sticky;
            top:0;
            z-index:100;
            background:rgba(255,255,255,0.92);
            backdrop-filter:blur(16px);
            -webkit-backdrop-filter:blur(16px);
            border-bottom:1px solid var(--border);
            transition:var(--transition);
        }
        .site-header.scrolled{
            box-shadow:var(--shadow-md);
        }
        .header-inner{
            display:flex;
            align-items:center;
            justify-content:space-between;
            height:76px;
            gap:20px;
        }
        .site-logo{
            font-size:24px;
            font-weight:800;
            color:var(--text);
            letter-spacing:-0.5px;
            display:flex;
            align-items:center;
            gap:10px;
            white-space:nowrap;
        }
        .site-logo .logo-icon{
            width:38px;
            height:38px;
            background:linear-gradient(135deg,var(--primary),var(--secondary));
            border-radius:10px;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            font-size:18px;
            flex-shrink:0;
            box-shadow:0 4px 14px rgba(15,99,255,0.25);
        }
        .site-nav{
            display:flex;
            align-items:center;
            gap:6px;
            flex:1;
            justify-content:center;
        }
        .site-nav a{
            padding:9px 18px;
            border-radius:40px;
            font-size:15px;
            font-weight:500;
            color:var(--text-muted);
            transition:var(--transition);
            white-space:nowrap;
        }
        .site-nav a:hover{
            color:var(--primary);
            background:var(--primary-light);
        }
        .site-nav a.active{
            color:var(--primary);
            background:var(--primary-light);
            font-weight:600;
        }
        .header-actions{
            display:flex;
            align-items:center;
            gap:14px;
            flex-shrink:0;
        }
        .search-box{
            position:relative;
        }
        .search-box input{
            width:200px;
            height:42px;
            background:var(--bg-soft);
            border:1px solid transparent;
            border-radius:40px;
            padding:0 40px 0 18px;
            font-size:14px;
            transition:var(--transition);
        }
        .search-box input:focus{
            background:#fff;
            border-color:var(--primary);
            box-shadow:0 0 0 4px rgba(15,99,255,0.08);
            width:220px;
        }
        .search-box i{
            position:absolute;
            right:16px;
            top:50%;
            transform:translateY(-50%);
            color:var(--text-light);
            font-size:14px;
        }
        .btn{
            display:inline-flex;
            align-items:center;
            justify-content:center;
            gap:8px;
            border-radius:40px;
            font-weight:600;
            font-size:14px;
            cursor:pointer;
            transition:var(--transition);
            border:1px solid transparent;
            white-space:nowrap;
        }
        .btn-primary{
            background:var(--primary);
            color:#fff;
            padding:10px 22px;
            box-shadow:0 4px 16px rgba(15,99,255,0.25);
        }
        .btn-primary:hover{
            background:var(--primary-dark);
            transform:translateY(-2px);
            box-shadow:0 8px 24px rgba(15,99,255,0.35);
        }
        .btn-outline{
            border-color:var(--border);
            color:var(--text);
            background:#fff;
            padding:10px 22px;
        }
        .btn-outline:hover{
            border-color:var(--primary);
            color:var(--primary);
            background:var(--primary-light);
        }
        .btn-lg{
            padding:14px 28px;
            font-size:15px;
        }
        .btn-secondary{
            background:var(--secondary);
            color:#fff;
            padding:10px 22px;
            box-shadow:0 4px 16px rgba(0,198,167,0.25);
        }
        .btn-secondary:hover{
            background:var(--secondary-dark);
            transform:translateY(-2px);
            box-shadow:0 8px 24px rgba(0,198,167,0.35);
        }
        .mobile-toggle{
            display:none;
            width:42px;
            height:42px;
            border-radius:10px;
            background:var(--bg-soft);
            color:var(--text);
            font-size:18px;
            cursor:pointer;
            align-items:center;
            justify-content:center;
            border:1px solid var(--border);
        }

        /* ===== Hero / Banner ===== */
        .hero{
            position:relative;
            padding:96px 0 80px;
            background:linear-gradient(135deg,#0b1220 0%,#101c33 50%,#0b1830 100%);
            background-image:url('/assets/images/backpic/back-2.png'),linear-gradient(135deg,#0b1220,#101c33);
            background-size:cover;
            background-position:center;
            color:#fff;
            overflow:hidden;
        }
        .hero::before{
            content:'';
            position:absolute;
            inset:0;
            background:linear-gradient(90deg,rgba(11,18,32,0.92) 20%,rgba(11,18,32,0.55));
            z-index:1;
        }
        .hero::after{
            content:'';
            position:absolute;
            width:600px;
            height:600px;
            background:radial-gradient(circle,rgba(15,99,255,0.25),transparent 60%);
            right:-200px;
            top:-200px;
            border-radius:50%;
            z-index:1;
        }
        .hero .container{
            position:relative;
            z-index:2;
        }
        .hero-badge{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:rgba(15,99,255,0.15);
            border:1px solid rgba(15,99,255,0.4);
            color:#7ca8ff;
            padding:6px 16px;
            border-radius:40px;
            font-size:13px;
            font-weight:500;
            margin-bottom:20px;
            backdrop-filter:blur(8px);
        }
        .hero h1{
            font-size:54px;
            line-height:1.2;
            font-weight:800;
            letter-spacing:-1.5px;
            margin-bottom:20px;
            max-width:680px;
        }
        .hero h1 span{
            background:linear-gradient(135deg,#4d8dff,#00c6a7);
            -webkit-background-clip:text;
            -webkit-text-fill-color:transparent;
        }
        .hero-desc{
            font-size:18px;
            color:rgba(255,255,255,0.75);
            max-width:600px;
            margin-bottom:32px;
            line-height:1.8;
        }
        .hero-actions{
            display:flex;
            gap:14px;
            flex-wrap:wrap;
            margin-bottom:48px;
        }
        .hero-actions .btn-white{
            background:#fff;
            color:#0b1220;
            padding:14px 28px;
            font-weight:600;
        }
        .hero-actions .btn-white:hover{
            transform:translateY(-2px);
            box-shadow:0 8px 30px rgba(255,255,255,0.25);
        }
        .hero-actions .btn-ghost{
            background:rgba(255,255,255,0.1);
            color:#fff;
            border:1px solid rgba(255,255,255,0.25);
            padding:14px 28px;
            backdrop-filter:blur(8px);
        }
        .hero-actions .btn-ghost:hover{
            background:rgba(255,255,255,0.18);
            border-color:rgba(255,255,255,0.4);
        }
        .hero-stats{
            display:flex;
            gap:40px;
            flex-wrap:wrap;
        }
        .hero-stat{
            display:flex;
            align-items:center;
            gap:12px;
        }
        .hero-stat .number{
            font-size:32px;
            font-weight:800;
            color:#fff;
            line-height:1;
        }
        .hero-stat .label{
            font-size:13px;
            color:rgba(255,255,255,0.6);
            line-height:1.4;
        }
        .hero-stat i{
            font-size:24px;
            color:var(--secondary);
        }

        /* ===== Section Common ===== */
        .section{
            padding:80px 0;
        }
        .section-alt{
            background:var(--bg-soft);
        }
        .section-dark{
            background:var(--bg-dark);
            color:#fff;
        }
        .section-head{
            text-align:center;
            max-width:680px;
            margin:0 auto 52px;
        }
        .section-head h2{
            font-size:36px;
            font-weight:800;
            letter-spacing:-0.5px;
            line-height:1.3;
            margin-bottom:14px;
        }
        .section-head p{
            color:var(--text-muted);
            font-size:16px;
            line-height:1.7;
        }
        .section-head .sub-badge{
            display:inline-flex;
            align-items:center;
            gap:6px;
            background:var(--primary-light);
            color:var(--primary);
            font-size:13px;
            font-weight:600;
            padding:4px 14px;
            border-radius:20px;
            margin-bottom:14px;
        }
        .section-tag{
            display:inline-block;
            background:rgba(15,99,255,0.1);
            color:var(--primary);
            font-size:13px;
            font-weight:600;
            padding:4px 14px;
            border-radius:20px;
            margin-bottom:14px;
        }

        /* ===== Community Tags ===== */
        .tag-list{
            display:flex;
            flex-wrap:wrap;
            gap:12px;
            justify-content:center;
            margin-bottom:64px;
        }
        .tag-item{
            display:inline-flex;
            align-items:center;
            gap:8px;
            background:#fff;
            border:1px solid var(--border);
            border-radius:40px;
            padding:10px 20px;
            font-size:14px;
            font-weight:500;
            color:var(--text-muted);
            cursor:pointer;
            transition:var(--transition);
        }
        .tag-item:hover{
            border-color:var(--primary);
            color:var(--primary);
            background:var(--primary-light);
            transform:translateY(-2px);
            box-shadow:var(--shadow-sm);
        }
        .tag-item i{
            color:var(--primary);
            font-size:13px;
        }
        .tag-item .count{
            background:var(--bg-soft);
            padding:2px 8px;
            border-radius:20px;
            font-size:11px;
            color:var(--primary);
            font-weight:700;
        }

        /* ===== Ranking / Trending ===== */
        .community-layout{
            display:grid;
            grid-template-columns:1.4fr 1fr;
            gap:24px;
            align-items:start;
        }
        .ranking-card{
            background:#fff;
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:32px;
            box-shadow:var(--shadow-sm);
        }
        .ranking-card .rank-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-bottom:24px;
        }
        .ranking-card .rank-header h3{
            font-size:20px;
            font-weight:700;
            display:flex;
            align-items:center;
            gap:10px;
        }
        .ranking-card .rank-header h3 i{
            color:var(--primary);
        }
        .rank-item{
            display:flex;
            align-items:center;
            gap:16px;
            padding:16px 0;
            border-bottom:1px solid var(--border);
        }
        .rank-item:last-child{
            border-bottom:none;
            padding-bottom:0;
        }
        .rank-no{
            width:36px;
            height:36px;
            background:var(--bg-soft);
            border-radius:10px;
            display:flex;
            align-items:center;
            justify-content:center;
            font-weight:700;
            color:var(--text-muted);
            font-size:14px;
            flex-shrink:0;
        }
        .rank-no.top{
            background:linear-gradient(135deg,var(--primary),var(--secondary));
            color:#fff;
            box-shadow:0 4px 12px rgba(15,99,255,0.25);
        }
        .rank-info{
            flex:1;
            min-width:0;
        }
        .rank-info h4{
            font-size:15px;
            font-weight:600;
            margin-bottom:4px;
            white-space:nowrap;
            overflow:hidden;
            text-overflow:ellipsis;
        }
        .rank-info .meta{
            display:flex;
            gap:14px;
            font-size:12px;
            color:var(--text-light);
        }
        .rank-actions{
            display:flex;
            align-items:center;
            gap:16px;
            flex-shrink:0;
        }
        .rank-actions .like{
            display:flex;
            align-items:center;
            gap:6px;
            font-size:13px;
            color:var(--secondary);
            font-weight:600;
        }
        .discuss-card{
            background:#fff;
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:32px;
            box-shadow:var(--shadow-sm);
        }
        .discuss-header{
            display:flex;
            align-items:center;
            justify-content:space-between;
            margin-bottom:20px;
        }
        .discuss-header h3{
            font-size:20px;
            font-weight:700;
            display:flex;
            align-items:center;
            gap:10px;
        }
        .discuss-header h3 i{
            color:var(--secondary);
        }
        .discuss-item{
            padding:14px 0;
            border-bottom:1px solid var(--border);
        }
        .discuss-item:last-child{
            border-bottom:none;
        }
        .discuss-item h4{
            font-size:15px;
            font-weight:600;
            margin-bottom:6px;
            line-height:1.5;
            transition:var(--transition);
        }
        .discuss-item h4:hover{
            color:var(--primary);
        }
        .discuss-item .meta{
            display:flex;
            gap:16px;
            font-size:12px;
            color:var(--text-light);
        }
        .discuss-item .meta i{
            margin-right:4px;
            font-size:12px;
        }

        /* ===== Community Posts Grid ===== */
        .posts-grid{
            display:grid;
            grid-template-columns:repeat(3,1fr);
            gap:24px;
        }
        .post-card{
            background:#fff;
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            overflow:hidden;
            transition:var(--transition);
            box-shadow:var(--shadow-sm);
        }
        .post-card:hover{
            transform:translateY(-6px);
            box-shadow:var(--shadow-lg);
            border-color:var(--primary);
        }
        .post-card-media{
            position:relative;
            height:200px;
            overflow:hidden;
        }
        .post-card-media img{
            width:100%;
            height:100%;
            object-fit:cover;
            transition:transform 0.5s ease;
        }
        .post-card:hover .post-card-media img{
            transform:scale(1.05);
        }
        .post-card-media .tag-badge{
            position:absolute;
            top:14px;
            left:14px;
            background:rgba(15,99,255,0.9);
            color:#fff;
            font-size:12px;
            font-weight:600;
            padding:4px 12px;
            border-radius:20px;
            backdrop-filter:blur(4px);
        }
        .post-card-media .hot-badge{
            position:absolute;
            top:14px;
            right:14px;
            background:rgba(255,59,48,0.9);
            color:#fff;
            font-size:12px;
            font-weight:600;
            padding:4px 12px;
            border-radius:20px;
            display:flex;
            align-items:center;
            gap:4px;
            backdrop-filter:blur(4px);
        }
        .post-card-body{
            padding:24px;
        }
        .post-card-body h3{
            font-size:17px;
            font-weight:700;
            line-height:1.5;
            margin-bottom:10px;
        }
        .post-card-body h3 a:hover{
            color:var(--primary);
        }
        .post-card-body p{
            font-size:14px;
            color:var(--text-muted);
            line-height:1.7;
            margin-bottom:16px;
            display:-webkit-box;
            -webkit-line-clamp:2;
            -webkit-box-orient:vertical;
            overflow:hidden;
        }
        .post-card-meta{
            display:flex;
            align-items:center;
            justify-content:space-between;
        }
        .post-card-meta .author{
            display:flex;
            align-items:center;
            gap:8px;
            font-size:13px;
            color:var(--text-muted);
        }
        .author-avatar{
            width:28px;
            height:28px;
            border-radius:50%;
            background:linear-gradient(135deg,var(--primary),var(--secondary));
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            font-size:11px;
            font-weight:600;
        }
        .post-card-meta .stats{
            display:flex;
            gap:12px;
            font-size:13px;
            color:var(--text-light);
        }
        .post-card-meta .stats i{
            margin-right:3px;
        }

        /* ===== Community Avatars ===== */
        .members-section{
            padding:80px 0;
            background:linear-gradient(135deg,#f5f8ff,#eaf5ff);
        }
        .member-display{
            display:flex;
            align-items:center;
            gap:40px;
            flex-wrap:wrap;
        }
        .avatar-group{
            display:flex;
            align-items:center;
        }
        .avatar-item{
            width:48px;
            height:48px;
            border-radius:50%;
            border:3px solid #fff;
            display:flex;
            align-items:center;
            justify-content:center;
            color:#fff;
            font-weight:700;
            font-size:14px;
            margin-left:-10px;
            box-shadow:var(--shadow-sm);
            transition:var(--transition);
        }
        .avatar-item:first-child{
            margin-left:0;
        }
        .avatar-item:hover{
            transform:translateY(-4px);
            z-index:2;
        }
        .member-content{
            flex:1;
            min-width:260px;
        }
        .member-content h3{
            font-size:24px;
            font-weight:700;
            margin-bottom:12px;
        }
        .member-content p{
            color:var(--text-muted);
            font-size:15px;
            line-height:1.8;
        }

        /* ===== Steps ===== */
        .steps-grid{
            display:grid;
            grid-template-columns:repeat(4,1fr);
            gap:20px;
            margin-top:20px;
        }
        .step-card{
            background:#fff;
            border:1px solid var(--border);
            border-radius:var(--radius-lg);
            padding:28px 24px;
            text-align:center;
            transition:var(--transition);
            box-shadow:var(--shadow-sm);
        }
        .step-card:hover{
            transform:translateY(-4px);
            box-shadow:var(--shadow-md);
            border-color:var(--primary);
        }
        .step-icon{
            width:56px;
            height:56px;
            border-radius:16px;
            background:var(--primary-light);
            color:var(--primary);
            font-size:22px;
            display:flex;
            align-items:center;
            justify-content:center;
            margin:0 auto 16px;
        }
        .step-card:nth-child(2) .step-icon{
            background:#e6faf6;
            color:var(--secondary);
        }
        .step-card:nth-child(3) .step-icon{
            background:#fff3e6;
            color:#ff9f0a;
        }
        .step-card:nth-child(4) .step-icon{
            background:#f3eaff;
            color:#8b5cf6;
        }
        .step-no{
            font-size:12px;
            font-weight:700;
            color:var(--text-light);
            letter-spacing:1px;
            text-transform:uppercase;
            margin-bottom:8px;
        }
        .step-card h4{
            font-size:16px;
            font-weight:700;
            margin-bottom:8px;
        }
        .step-card p{
            font-size:13px;
            color:var(--text-muted);
            line-height:1.6;
        }

        /* ===== Notice / Alert ===== */
        .notice-bar{
            background:linear-gradient(90deg,#fff8e6,#fff0cc);
            border:1px solid #ffd977;
            border-radius:var(--radius);
            padding:16px 24px;
            display:flex;
            align-items:center;
            gap:14px;
            margin-bottom:24px;
            font-size:14px;
            color:#8a6100;
        }
        .notice-bar i{
            color:#ff9f0a;
            font-size:18px;
        }

        /* ===== FAQ ===== */
        .faq-grid{
            max-width:800px;
            margin:0 auto;
        }
        .faq-item{
            background:#fff;
            border:1px solid var(--border);
            border-radius:var(--radius);
            margin-bottom:14px;
            padding:0;
            overflow:hidden;
            transition:var(--transition);
        }
        .faq-item:hover{
            border-color:var(--primary);
            box-shadow:var(--shadow-sm);
        }
        .faq-question{
            padding:20px 24px;
            cursor:pointer;
            display:flex;
            align-items:center;
            justify-content:space-between;
            font-weight:600;
            font-size:16px;
        }
        .faq-question i{
            color:var(--primary);
            transition:transform 0.3s ease;
        }
        .faq-item.active .faq-question i{
            transform:rotate(45deg);
        }
        .faq-answer{
            padding:0 24px;
            max-height:0;
            overflow:hidden;
            transition:max-height 0.3s ease, padding 0.3s ease;
            color:var(--text-muted);
            font-size:14px;
            line-height:1.7;
            border-top:0 solid var(--border);
        }
        .faq-item.active .faq-answer{
            padding:0 24px 20px;
            max-height:400px;
            border-top-width:1px;
            padding-top:16px;
        }

        /* ===== CTA ===== */
        .cta-section{
            padding:80px 0;
            background:linear-gradient(135deg,var(--primary) 0%,#0a4ad0 100%);
            position:relative;
            overflow:hidden;
        }
        .cta-section::before{
            content:'';
            position:absolute;
            width:400px;
            height:400px;
            background:rgba(255,255,255,0.08);
            border-radius:50%;
            right:-100px;
            top:-100px;
        }
        .cta-section::after{
            content:'';
            position:absolute;
            width:300px;
            height:300px;
            background:rgba(255,255,255,0.05);
            border-radius:50%;
            left:-80px;
            bottom:-120px;
        }
        .cta-inner{
            position:relative;
            z-index:2;
            text-align:center;
            max-width:720px;
            margin:0 auto;
            color:#fff;
        }
        .cta-inner h2{
            font-size:42px;
            font-weight:800;
            margin-bottom:16px;
            letter-spacing:-1px;
        }
        .cta-inner p{
            font-size:17px;
            opacity:0.85;
            margin-bottom:32px;
            line-height:1.7;
        }
        .cta-buttons{
            display:flex;
            gap:14px;
            justify-content:center;
            flex-wrap:wrap;
        }
        .cta-buttons .btn-white{
            background:#fff;
            color:var(--primary);
            padding:14px 32px;
            font-weight:700;
            font-size:15px;
        }
        .cta-buttons .btn-white:hover{
            transform:translateY(-2px);
            box-shadow:0 10px 30px rgba(0,0,0,0.2);
        }
        .cta-buttons .btn-transparent{
            background:rgba(255,255,255,0.1);
            border:1px solid rgba(255,255,255,0.4);
            color:#fff;
            padding:14px 32px;
            font-weight:600;
        }
        .cta-buttons .btn-transparent:hover{
            background:rgba(255,255,255,0.2);
        }

        /* ===== Footer ===== */
        .site-footer{
            background:var(--bg-dark);
            color:rgba(255,255,255,0.7);
            padding-top:64px;
        }
        .footer-grid{
            display:grid;
            grid-template-columns:2fr 1fr 1fr 1.2fr;
            gap:40px;
            padding-bottom:48px;
            border-bottom:1px solid rgba(255,255,255,0.08);
        }
        .footer-brand .site-name{
            font-size:24px;
            font-weight:800;
            color:#fff;
            margin-bottom:12px;
        }
        .footer-brand p{
            font-size:14px;
            line-height:1.8;
            color:rgba(255,255,255,0.5);
            max-width:320px;
        }
        .footer-col h4{
            color:#fff;
            font-size:15px;
            font-weight:600;
            margin-bottom:20px;
        }
        .footer-col ul li{
            margin-bottom:10px;
        }
        .footer-col ul li a{
            font-size:14px;
            color:rgba(255,255,255,0.5);
            transition:var(--transition);
        }
        .footer-col ul li a:hover{
            color:var(--secondary);
            padding-left:4px;
        }
        .footer-contact p{
            font-size:14px;
            margin-bottom:10px;
            color:rgba(255,255,255,0.5);
        }
        .footer-contact p i{
            margin-right:8px;
            color:var(--secondary);
        }
        .footer-bottom{
            padding:24px 0;
            display:flex;
            justify-content:space-between;
            flex-wrap:wrap;
            gap:10px;
            font-size:13px;
            color:rgba(255,255,255,0.3);
        }

        /* ===== Responsive ===== */
        @media(max-width:1024px){
            .site-nav{
                gap:2px;
            }
            .site-nav a{
                padding:8px 12px;
                font-size:14px;
            }
            .header-actions .search-box{
                display:none;
            }
            .community-layout{
                grid-template-columns:1fr;
            }
            .posts-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .steps-grid{
                grid-template-columns:repeat(2,1fr);
            }
            .footer-grid{
                grid-template-columns:1fr 1fr;
            }
            .hero h1{
                font-size:44px;
            }
        }
        @media(max-width:768px){
            .header-inner{
                height:64px;
            }
            .site-nav{
                position:fixed;
                top:64px;
                left:0;
                right:0;
                background:#fff;
                flex-direction:column;
                align-items:stretch;
                padding:16px 24px;
                gap:8px;
                border-bottom:1px solid var(--border);
                box-shadow:var(--shadow-lg);
                transform:translateY(-120%);
                transition:transform 0.3s ease;
                z-index:99;
            }
            .site-nav.open{
                transform:translateY(0);
            }
            .site-nav a{
                font-size:16px;
                padding:12px 16px;
                border-radius:12px;
            }
            .mobile-toggle{
                display:flex;
            }
            .header-actions .btn{
                display:none;
            }
            .hero{
                padding:72px 0 56px;
            }
            .hero h1{
                font-size:34px;
                letter-spacing:-0.5px;
            }
            .hero-desc{
                font-size:16px;
            }
            .hero-stats{
                gap:24px;
            }
            .section{
                padding:56px 0;
            }
            .section-head h2{
                font-size:28px;
            }
            .posts-grid{
                grid-template-columns:1fr;
            }
            .steps-grid{
                grid-template-columns:1fr 1fr;
            }
            .cta-inner h2{
                font-size:30px;
            }
            .footer-grid{
                grid-template-columns:1fr;
                gap:32px;
            }
            .footer-bottom{
                flex-direction:column;
                text-align:center;
            }
        }
        @media(max-width:520px){
            .container{
                padding:0 16px;
            }
            .site-logo{
                font-size:20px;
            }
            .site-logo .logo-icon{
                width:34px;
                height:34px;
                font-size:16px;
            }
            .tag-list{
                gap:8px;
            }
            .tag-item{
                padding:8px 14px;
                font-size:13px;
            }
            .posts-grid{
                grid-template-columns:1fr;
            }
            .steps-grid{
                grid-template-columns:1fr;
            }
            .hero h1{
                font-size:30px;
            }
            .hero-actions .btn{
                padding:12px 20px;
                font-size:14px;
            }
            .ranking-card,.discuss-card{
                padding:20px;
            }
            .avatar-item{
                width:40px;
                height:40px;
                font-size:12px;
            }
        }

        .text-center{
            text-align:center;
        }
        .mt-8{
            margin-top:8px;
        }
        .p-top-none{
            padding-top:0;
        }