/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1a2e;
            --primary-light: #1a2d4a;
            --primary-dark: #0a121f;
            --accent: #f0b429;
            --accent-light: #f7d05a;
            --accent-dark: #d49a1a;
            --bg: #f5f7fa;
            --bg-white: #ffffff;
            --bg-card: #ffffff;
            --bg-dark: #0a121f;
            --text: #0f1a2e;
            --text-light: #5a6a7e;
            --text-white: #ffffff;
            --text-muted: #8a9aaa;
            --border: #e2e8f0;
            --border-light: #f0f2f5;
            --radius: 14px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(15, 26, 46, 0.06);
            --shadow-md: 0 8px 32px rgba(15, 26, 46, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 26, 46, 0.12);
            --shadow-accent: 0 6px 28px rgba(240, 180, 41, 0.25);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { cursor: pointer; font-family: inherit; border: none; background: none; transition: var(--transition); }
        input, textarea { font-family: inherit; }
        ul, ol { list-style: none; }

        /* ===== Container ===== */
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        @media (max-width: 768px) {
            .container { padding: 0 16px; }
        }

        /* ===== Typography ===== */
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            color: var(--accent);
            background: rgba(240, 180, 41, 0.1);
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
        }
        .section-label i { font-size: 12px; }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 18px;
            color: var(--text-light);
            max-width: 640px;
            line-height: 1.6;
        }
        @media (max-width: 768px) {
            .section-title { font-size: 26px; }
            .section-subtitle { font-size: 16px; }
        }
        @media (max-width: 520px) {
            .section-title { font-size: 22px; }
        }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-light);
            height: var(--header-height);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.98);
            box-shadow: 0 2px 20px rgba(0,0,0,0.04);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--header-height);
        }
        .logo {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-shrink: 0;
        }
        .logo i {
            color: var(--accent);
            font-size: 22px;
        }
        .logo span { color: var(--primary); }
        .logo .accent { color: var(--accent); }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: var(--text-light);
            padding: 6px 0;
            position: relative;
            transition: var(--transition);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            transition: var(--transition);
        }
        .nav-links a:hover { color: var(--text); }
        .nav-links a:hover::after { width: 100%; }
        .nav-links a.active {
            color: var(--primary);
            font-weight: 600;
        }
        .nav-links a.active::after { width: 100%; }

        .nav-toggle {
            display: none;
            font-size: 24px;
            color: var(--primary);
            padding: 4px;
            background: none;
            border: none;
            cursor: pointer;
        }

        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: var(--bg-white);
                flex-direction: column;
                gap: 0;
                padding: 16px 24px;
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow);
                transform: translateY(-100%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-links a {
                display: block;
                padding: 14px 0;
                border-bottom: 1px solid var(--border-light);
                font-size: 16px;
            }
            .nav-links a:last-child { border-bottom: none; }
            .nav-links a::after { display: none; }
            .nav-links a.active { color: var(--accent); }
            .nav-toggle { display: block; }
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 92vh;
            display: flex;
            align-items: center;
            padding-top: var(--header-height);
            background: var(--primary-dark);
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            opacity: 0.35;
            mix-blend-mode: overlay;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(15,26,46,0.4) 0%, rgba(10,18,31,0.85) 70%);
        }
        .hero .container {
            position: relative;
            z-index: 2;
            padding-top: 60px;
            padding-bottom: 80px;
        }
        .hero-content {
            max-width: 720px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(240,180,41,0.15);
            border: 1px solid rgba(240,180,41,0.25);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 8px 18px;
            border-radius: 50px;
            margin-bottom: 28px;
            letter-spacing: 0.03em;
        }
        .hero-badge i { font-size: 12px; }
        .hero-title {
            font-size: 56px;
            font-weight: 800;
            line-height: 1.1;
            color: var(--text-white);
            letter-spacing: -0.03em;
            margin-bottom: 20px;
        }
        .hero-title .highlight {
            background: linear-gradient(135deg, var(--accent), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 18px;
            line-height: 1.7;
            color: rgba(255,255,255,0.7);
            max-width: 600px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 16px;
            font-weight: 600;
            padding: 14px 32px;
            border-radius: 50px;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .btn-primary {
            background: var(--accent);
            color: var(--primary-dark);
            box-shadow: var(--shadow-accent);
        }
        .btn-primary:hover {
            background: var(--accent-light);
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(240,180,41,0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--text-white);
            border: 1.5px solid rgba(255,255,255,0.25);
        }
        .btn-outline:hover {
            border-color: var(--accent);
            color: var(--accent);
            transform: translateY(-2px);
        }
        .btn-sm {
            font-size: 14px;
            padding: 10px 22px;
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 50px;
            padding-top: 36px;
            border-top: 1px solid rgba(255,255,255,0.08);
        }
        .hero-stat h3 {
            font-size: 30px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
        }
        .hero-stat h3 i { color: var(--accent); font-size: 22px; margin-right: 6px; }
        .hero-stat p {
            font-size: 14px;
            color: rgba(255,255,255,0.5);
            margin-top: 2px;
        }
        @media (max-width: 768px) {
            .hero { min-height: 80vh; }
            .hero-title { font-size: 34px; }
            .hero-desc { font-size: 16px; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 24px; }
            .hero-actions { flex-direction: column; align-items: flex-start; }
        }
        @media (max-width: 520px) {
            .hero-title { font-size: 28px; }
            .hero-stats { flex-direction: column; gap: 16px; }
        }

        /* ===== Section Spacing ===== */
        .section {
            padding: 80px 0;
        }
        .section-dark {
            background: var(--primary-dark);
            color: var(--text-white);
        }
        .section-light {
            background: var(--bg-white);
        }
        .section-gray {
            background: var(--bg);
        }
        .section-header {
            text-align: center;
            margin-bottom: 52px;
        }
        .section-header .section-subtitle {
            margin: 0 auto;
        }
        @media (max-width: 768px) {
            .section { padding: 56px 0; }
            .section-header { margin-bottom: 36px; }
        }

        /* ===== Features / Cards ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .feature-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 36px 28px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .feature-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            margin-bottom: 20px;
            background: rgba(240,180,41,0.1);
            color: var(--accent);
        }
        .feature-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text);
        }
        .feature-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .features-grid { grid-template-columns: 1fr; }
        }

        /* ===== Category Entry ===== */
        .category-card {
            display: flex;
            align-items: center;
            gap: 40px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 0;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .category-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .category-img {
            flex: 0 0 380px;
            min-height: 280px;
            background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
        }
        .category-body {
            flex: 1;
            padding: 36px 40px 36px 0;
        }
        .category-body .tag {
            display: inline-block;
            background: rgba(240,180,41,0.1);
            color: var(--accent);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }
        .category-body h3 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .category-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            margin-bottom: 20px;
        }
        @media (max-width: 900px) {
            .category-card { flex-direction: column; }
            .category-img { flex: none; width: 100%; min-height: 200px; }
            .category-body { padding: 24px 28px; }
        }
        @media (max-width: 520px) {
            .category-body h3 { font-size: 20px; }
        }

        /* ===== Latest Posts / CMS List ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            transition: var(--transition);
        }
        .post-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .post-cover {
            width: 100%;
            height: 200px;
            background-size: cover;
            background-position: center;
            background-color: var(--primary-light);
        }
        .post-body {
            padding: 22px 24px 26px;
        }
        .post-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 12px;
            color: var(--text-muted);
            margin-bottom: 10px;
        }
        .post-meta .cat {
            background: rgba(240,180,41,0.1);
            color: var(--accent);
            padding: 2px 12px;
            border-radius: 50px;
            font-weight: 500;
        }
        .post-body h3 {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 8px;
            color: var(--text);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-body h3 a { color: inherit; }
        .post-body h3 a:hover { color: var(--accent); }
        .post-body p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 20px;
            color: var(--text-light);
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px dashed var(--border);
        }
        .post-empty i { font-size: 40px; color: var(--border); margin-bottom: 16px; }
        .post-empty p { font-size: 16px; }
        @media (max-width: 1024px) {
            .posts-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 640px) {
            .posts-grid { grid-template-columns: 1fr; }
        }

        /* ===== Process / Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 32px 20px 28px;
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border-light);
            position: relative;
            transition: var(--transition);
        }
        .step-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .step-number {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
        }
        .step-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text);
        }
        .step-card p {
            font-size: 14px;
            color: var(--text-light);
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .process-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 520px) {
            .process-grid { grid-template-columns: 1fr; }
        }

        /* ===== Stats / Data ===== */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 28px;
        }
        .stat-card {
            text-align: center;
            padding: 32px 16px;
            background: rgba(255,255,255,0.04);
            border-radius: var(--radius);
            border: 1px solid rgba(255,255,255,0.06);
            transition: var(--transition);
        }
        .stat-card:hover {
            background: rgba(255,255,255,0.06);
            transform: translateY(-2px);
        }
        .stat-card .num {
            font-size: 40px;
            font-weight: 800;
            color: var(--accent);
            letter-spacing: -0.02em;
            line-height: 1.2;
        }
        .stat-card .num i { font-size: 28px; margin-right: 6px; }
        .stat-card .label {
            font-size: 15px;
            color: rgba(255,255,255,0.6);
            margin-top: 6px;
        }
        @media (max-width: 768px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-card .num { font-size: 30px; }
        }
        @media (max-width: 520px) {
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--border); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            cursor: pointer;
            background: none;
            border: none;
            width: 100%;
            text-align: left;
            transition: var(--transition);
        }
        .faq-question i {
            font-size: 14px;
            color: var(--text-light);
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-question.open i { transform: rotate(180deg); color: var(--accent); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            padding: 0 24px;
        }
        .faq-answer.open {
            max-height: 400px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
        }
        @media (max-width: 520px) {
            .faq-question { font-size: 15px; padding: 16px 18px; }
            .faq-answer.open { padding: 0 18px 16px; }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--primary-dark);
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.1;
            mix-blend-mode: overlay;
        }
        .cta-inner {
            position: relative;
            z-index: 2;
            text-align: center;
            padding: 80px 20px;
        }
        .cta-inner h2 {
            font-size: 38px;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 14px;
            letter-spacing: -0.02em;
        }
        .cta-inner p {
            font-size: 18px;
            color: rgba(255,255,255,0.65);
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-inner .btn-primary {
            font-size: 17px;
            padding: 16px 40px;
        }
        @media (max-width: 768px) {
            .cta-inner { padding: 56px 16px; }
            .cta-inner h2 { font-size: 28px; }
            .cta-inner p { font-size: 16px; }
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--primary-dark);
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 48px 0 32px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            color: var(--text-white);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            color: rgba(255,255,255,0.45);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(255,255,255,0.45);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--accent); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: rgba(255,255,255,0.35);
        }
        .footer-bottom a { color: rgba(255,255,255,0.35); }
        .footer-bottom a:hover { color: var(--accent); }
        .footer-socials {
            display: flex;
            gap: 14px;
        }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.4);
            font-size: 14px;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Back to Top ===== */
        .back-top {
            position: fixed;
            bottom: 30px;
            right: 30px;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: var(--primary);
            color: var(--text-white);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            box-shadow: var(--shadow-md);
            z-index: 999;
            opacity: 0;
            transform: translateY(20px);
            pointer-events: none;
            transition: var(--transition);
        }
        .back-top.visible {
            opacity: 1;
            transform: translateY(0);
            pointer-events: auto;
        }
        .back-top:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-4px);
        }

        /* ===== Responsive Helpers ===== */
        @media (max-width: 1024px) {
            .hide-tablet { display: none !important; }
        }
        @media (max-width: 768px) {
            .hide-mobile { display: none !important; }
        }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #1a2a6c;
        --primary-light: #2d4a8e;
        --primary-dark: #0f1a44;
        --accent: #e63946;
        --accent-light: #ff6b6b;
        --accent-dark: #b71c1c;
        --bg-body: #f8f9fc;
        --bg-white: #ffffff;
        --bg-light: #eef1f8;
        --bg-dark: #0f1a44;
        --text-primary: #1a1a2e;
        --text-secondary: #4a4a6a;
        --text-muted: #8a8aaa;
        --text-light: #f0f0f5;
        --border: #dce1ec;
        --border-light: #e8ecf4;
        --radius-sm: 6px;
        --radius-md: 12px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 8px rgba(26, 42, 108, 0.06);
        --shadow-md: 0 6px 24px rgba(26, 42, 108, 0.10);
        --shadow-lg: 0 16px 48px rgba(26, 42, 108, 0.14);
        --shadow-accent: 0 6px 24px rgba(230, 57, 70, 0.25);
        --transition: 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
        --container-max: 1200px;
        --header-h: 72px;
        --gap: 24px;
        --gap-lg: 48px;
        --gap-xl: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--text-primary);
        background: var(--bg-body);
        padding-top: var(--header-h);
    }
    a { color: var(--primary); text-decoration: none; transition: color var(--transition); }
    a:hover, a:focus { color: var(--accent); }
    img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-sm); }
    button, input, textarea { font-family: inherit; font-size: inherit; border: none; outline: none; }
    button { cursor: pointer; background: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { line-height: 1.25; color: var(--text-primary); font-weight: 700; }
    h1 { font-size: 2.4rem; letter-spacing: -0.02em; }
    h2 { font-size: 2rem; letter-spacing: -0.015em; }
    h3 { font-size: 1.5rem; }
    h4 { font-size: 1.2rem; }
    p { margin-bottom: 1rem; }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 var(--gap);
    }

    /* ===== Header & Navigation ===== */
    .site-header {
        position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
        height: var(--header-h); background: rgba(255,255,255,0.92);
        backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-light);
        box-shadow: 0 1px 4px rgba(26,42,108,0.04);
        transition: box-shadow var(--transition);
    }
    .site-header.scrolled { box-shadow: var(--shadow-md); }
    .header-inner {
        display: flex; align-items: center; justify-content: space-between;
        height: 100%; max-width: var(--container-max); margin: 0 auto;
        padding: 0 var(--gap);
    }
    .logo {
        font-size: 1.6rem; font-weight: 800; color: var(--primary);
        display: flex; align-items: center; gap: 8px;
        letter-spacing: -0.02em; flex-shrink: 0;
    }
    .logo i { color: var(--accent); font-size: 1.4rem; }
    .logo .accent { color: var(--accent); }
    .logo:hover { color: var(--primary); opacity: 0.92; }
    .nav-links { display: flex; align-items: center; gap: 6px; }
    .nav-links a {
        position: relative; padding: 8px 18px; font-size: 0.95rem;
        font-weight: 500; color: var(--text-secondary); border-radius: var(--radius-sm);
        transition: all var(--transition); letter-spacing: 0.01em;
    }
    .nav-links a:hover { color: var(--primary); background: var(--bg-light); }
    .nav-links a.active {
        color: var(--accent); background: rgba(230,57,70,0.08);
        font-weight: 600; box-shadow: inset 0 -2px 0 var(--accent);
    }
    .nav-links a.active::after {
        content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%);
        width: 20px; height: 3px; background: var(--accent); border-radius: 4px;
    }
    .nav-links a:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }
    .nav-toggle { display: none; font-size: 1.5rem; color: var(--primary); padding: 6px 10px; border-radius: var(--radius-sm); transition: background var(--transition); }
    .nav-toggle:hover { background: var(--bg-light); }

    /* ===== Article Hero ===== */
    .article-hero {
        position: relative;
        background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
        padding: var(--gap-xl) 0 var(--gap-lg);
        text-align: center;
        overflow: hidden;
        min-height: 280px;
        display: flex; align-items: center;
    }
    .article-hero::before {
        content: '';
        position: absolute; inset: 0;
        background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        opacity: 0.12;
        mix-blend-mode: overlay;
    }
    .article-hero .container { position: relative; z-index: 2; width: 100%; }
    .article-hero h1 {
        color: #fff; font-size: 2.6rem; max-width: 900px; margin: 0 auto 12px;
        text-shadow: 0 2px 20px rgba(0,0,0,0.18);
    }
    .article-meta {
        display: flex; justify-content: center; align-items: center; gap: 20px;
        flex-wrap: wrap; color: rgba(255,255,255,0.75); font-size: 0.95rem;
    }
    .article-meta span { display: flex; align-items: center; gap: 6px; }
    .article-meta i { color: var(--accent-light); }
    .article-meta .badge-cat {
        background: rgba(255,255,255,0.15); backdrop-filter: blur(4px);
        padding: 4px 14px; border-radius: 20px; font-size: 0.85rem;
        color: #fff; border: 1px solid rgba(255,255,255,0.20);
    }
    .article-breadcrumb {
        display: flex; justify-content: center; gap: 8px; align-items: center;
        margin-bottom: 20px; color: rgba(255,255,255,0.55); font-size: 0.9rem;
    }
    .article-breadcrumb a { color: rgba(255,255,255,0.7); }
    .article-breadcrumb a:hover { color: #fff; }
    .article-breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.35); }

    /* ===== Article Main ===== */
    .article-main {
        padding: var(--gap-lg) 0 var(--gap-xl);
        background: var(--bg-body);
    }
    .article-layout {
        display: grid; grid-template-columns: 1fr 320px; gap: var(--gap-lg);
        align-items: start;
    }
    .article-body {
        background: var(--bg-white); border-radius: var(--radius-lg);
        padding: var(--gap-lg); box-shadow: var(--shadow-sm);
        border: 1px solid var(--border-light);
    }
    .article-body .content {
        font-size: 1.05rem; line-height: 1.85; color: var(--text-primary);
    }
    .article-body .content p { margin-bottom: 1.2rem; }
    .article-body .content h2, .article-body .content h3 { margin-top: 1.8rem; margin-bottom: 0.8rem; }
    .article-body .content img { border-radius: var(--radius-md); margin: 1.5rem 0; box-shadow: var(--shadow-sm); }
    .article-body .content ul, .article-body .content ol { padding-left: 1.5rem; margin-bottom: 1.2rem; }
    .article-body .content li { margin-bottom: 0.4rem; }
    .article-body .content blockquote {
        border-left: 4px solid var(--accent); background: var(--bg-light);
        padding: 1rem 1.5rem; border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        margin: 1.5rem 0; color: var(--text-secondary);
    }
    .article-body .content a { color: var(--accent); text-decoration: underline; text-underline-offset: 2px; }
    .article-body .content a:hover { color: var(--accent-dark); }

    /* ===== Sidebar ===== */
    .article-sidebar { display: flex; flex-direction: column; gap: var(--gap); }
    .sidebar-card {
        background: var(--bg-white); border-radius: var(--radius-lg);
        padding: 24px; box-shadow: var(--shadow-sm); border: 1px solid var(--border-light);
    }
    .sidebar-card h4 {
        font-size: 1.1rem; margin-bottom: 16px; padding-bottom: 10px;
        border-bottom: 2px solid var(--accent); display: inline-block;
        color: var(--primary);
    }
    .sidebar-list { display: flex; flex-direction: column; gap: 10px; }
    .sidebar-list a {
        display: flex; align-items: center; gap: 10px; padding: 8px 10px;
        border-radius: var(--radius-sm); transition: all var(--transition);
        font-size: 0.95rem; color: var(--text-secondary);
    }
    .sidebar-list a:hover { background: var(--bg-light); color: var(--primary); padding-left: 16px; }
    .sidebar-list a i { color: var(--accent); font-size: 0.85rem; width: 18px; text-align: center; }

    /* ===== Not Found ===== */
    .not-found-box {
        text-align: center; padding: var(--gap-xl) 0;
    }
    .not-found-box i { font-size: 4rem; color: var(--text-muted); margin-bottom: 16px; }
    .not-found-box h2 { color: var(--text-secondary); margin-bottom: 12px; }
    .not-found-box p { color: var(--text-muted); margin-bottom: 24px; }
    .not-found-box .btn { display: inline-block; }

    /* ===== Buttons ===== */
    .btn {
        display: inline-flex; align-items: center; gap: 8px; padding: 12px 28px;
        font-size: 1rem; font-weight: 600; border-radius: var(--radius-md);
        transition: all var(--transition); border: none; cursor: pointer;
        text-decoration: none; letter-spacing: 0.01em;
    }
    .btn-primary { background: var(--accent); color: #fff; box-shadow: var(--shadow-accent); }
    .btn-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 10px 30px rgba(230,57,70,0.35); }
    .btn-outline { border: 2px solid var(--primary); color: var(--primary); background: transparent; }
    .btn-outline:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: var(--shadow-md); }
    .btn-sm { padding: 8px 18px; font-size: 0.9rem; border-radius: var(--radius-sm); }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark); color: rgba(255,255,255,0.75);
        padding: var(--gap-xl) 0 0;
    }
    .footer-grid {
        display: grid; grid-template-columns: 1.8fr 1fr 1fr 1fr;
        gap: var(--gap-lg); padding-bottom: var(--gap-lg);
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }
    .footer-brand .logo { color: #fff; font-size: 1.5rem; margin-bottom: 12px; }
    .footer-brand .logo i { color: var(--accent-light); }
    .footer-brand p { font-size: 0.92rem; line-height: 1.7; color: rgba(255,255,255,0.55); max-width: 320px; }
    .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; font-weight: 600; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul a { color: rgba(255,255,255,0.55); font-size: 0.92rem; transition: all var(--transition); }
    .footer-col ul a:hover { color: var(--accent-light); padding-left: 4px; }
    .footer-bottom {
        display: flex; justify-content: space-between; align-items: center;
        padding: 20px 0; flex-wrap: wrap; gap: 12px;
    }
    .footer-bottom p { font-size: 0.85rem; color: rgba(255,255,255,0.4); margin: 0; }
    .footer-socials { display: flex; gap: 12px; }
    .footer-socials a {
        display: flex; align-items: center; justify-content: center;
        width: 40px; height: 40px; border-radius: 50%;
        background: rgba(255,255,255,0.06); color: rgba(255,255,255,0.5);
        font-size: 1.1rem; transition: all var(--transition);
    }
    .footer-socials a:hover { background: var(--accent); color: #fff; transform: scale(1.08); }

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        .article-layout { grid-template-columns: 1fr; }
        .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: var(--gap); }
        .footer-grid { grid-template-columns: 1fr 1fr; }
    }
    @media (max-width: 768px) {
        :root { --header-h: 64px; }
        .nav-links {
            position: fixed; top: var(--header-h); left: 0; right: 0;
            background: rgba(255,255,255,0.98); backdrop-filter: blur(12px);
            flex-direction: column; padding: 16px 20px; gap: 4px;
            box-shadow: var(--shadow-md); transform: translateY(-120%);
            opacity: 0; transition: all 0.35s ease; border-bottom: 1px solid var(--border);
            pointer-events: none;
        }
        .nav-links.open { transform: translateY(0); opacity: 1; pointer-events: auto; }
        .nav-links a { width: 100%; padding: 12px 16px; font-size: 1rem; border-radius: var(--radius-sm); }
        .nav-links a.active::after { display: none; }
        .nav-links a.active { background: rgba(230,57,70,0.08); }
        .nav-toggle { display: block; }
        .article-hero { min-height: 200px; padding: var(--gap-lg) 0; }
        .article-hero h1 { font-size: 1.6rem; }
        .article-meta { gap: 12px; font-size: 0.85rem; }
        .article-body { padding: var(--gap); }
        .article-body .content { font-size: 1rem; }
        .article-sidebar { grid-template-columns: 1fr; }
        .footer-grid { grid-template-columns: 1fr; gap: var(--gap); }
        .footer-bottom { flex-direction: column; text-align: center; }
        h1 { font-size: 1.8rem; }
        h2 { font-size: 1.5rem; }
    }
    @media (max-width: 520px) {
        .article-hero h1 { font-size: 1.3rem; }
        .article-meta { flex-direction: column; gap: 6px; }
        .article-body { padding: 16px; border-radius: var(--radius-md); }
        .btn { padding: 10px 20px; font-size: 0.9rem; }
        .sidebar-card { padding: 16px; }
    }

    /* ===== Focus & Accessibility ===== */
    a:focus-visible, button:focus-visible, .btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); white-space: nowrap; border: 0; }

    /* ===== Cover Image in Hero ===== */
    .article-cover-wrap {
        width: 100%; max-height: 400px; overflow: hidden; border-radius: var(--radius-lg);
        margin-bottom: var(--gap); box-shadow: var(--shadow-md);
    }
    .article-cover-wrap img { width: 100%; height: auto; object-fit: cover; border-radius: var(--radius-lg); }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1a2a6c;
            --primary-light: #2d4ba8;
            --primary-dark: #0f1a42;
            --accent: #e8453c;
            --accent-hover: #d13a32;
            --accent-glow: rgba(232, 69, 60, 0.15);
            --bg-body: #f8f9fc;
            --bg-card: #ffffff;
            --bg-alt: #f0f2f8;
            --bg-dark: #0d1117;
            --text: #1a1a2e;
            --text-soft: #4a4a6a;
            --text-light: #7a7a9a;
            --text-white: #ffffff;
            --border: #e2e6f0;
            --border-light: #f0f2f8;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.04);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.06);
            --shadow-lg: 0 18px 50px rgba(0,0,0,0.08);
            --shadow-glow: 0 4px 24px rgba(232,69,60,0.12);
            --spacing-xs: 6px;
            --spacing-sm: 12px;
            --spacing-md: 24px;
            --spacing-lg: 48px;
            --spacing-xl: 80px;
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --transition: 0.28s cubic-bezier(0.2, 0, 0, 1);
            --max-width: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.65;
            color: var(--text);
            background: var(--bg-body);
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button { font-family: inherit; cursor: pointer; border: none; background: none; }
        input, textarea { font-family: inherit; font-size: 1rem; }
        ul { list-style: none; padding: 0; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--text); }
        h1 { font-size: 2.6rem; letter-spacing: -0.02em; }
        h2 { font-size: 2rem; letter-spacing: -0.01em; }
        h3 { font-size: 1.35rem; }
        h4 { font-size: 1.1rem; }
        p { color: var(--text-soft); margin-bottom: 0.8rem; }
        .container {
            width: 100%;
            max-width: var(--max-width);
            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: var(--radius-md);
            font-weight: 600;
            font-size: 0.95rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--accent);
            color: #fff;
            box-shadow: 0 4px 16px rgba(232,69,60,0.28);
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(232,69,60,0.35);
        }
        .btn-outline {
            background: transparent;
            color: var(--primary);
            border: 2px solid var(--primary);
        }
        .btn-outline:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-light {
            background: rgba(255,255,255,0.15);
            color: #fff;
            backdrop-filter: blur(6px);
            border: 1px solid rgba(255,255,255,0.2);
        }
        .btn-light:hover {
            background: rgba(255,255,255,0.25);
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 0.85rem;
            border-radius: var(--radius-sm);
        }

        /* ===== 徽章 / 标签 ===== */
        .badge {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.77rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            background: var(--accent-glow);
            color: var(--accent);
        }
        .badge-primary {
            background: rgba(26,42,108,0.08);
            color: var(--primary);
        }
        .badge-live {
            background: rgba(232,69,60,0.15);
            color: var(--accent);
            animation: pulse-badge 2s infinite;
        }
        @keyframes pulse-badge {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.6; }
        }
        .tag {
            display: inline-block;
            padding: 3px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.78rem;
            font-weight: 500;
            background: var(--bg-alt);
            color: var(--text-soft);
            transition: var(--transition);
        }
        .tag:hover { background: var(--primary); color: #fff; }

        /* ===== Header & Navigation ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(255,255,255,0.97);
            box-shadow: 0 4px 30px rgba(0,0,0,0.05);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--accent); font-size: 1.3rem; }
        .logo .accent { color: var(--accent); }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            position: relative;
            padding: 8px 18px;
            font-size: 0.92rem;
            font-weight: 500;
            color: var(--text-soft);
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-links a:hover {
            color: var(--primary);
            background: rgba(26,42,108,0.05);
        }
        .nav-links a.active {
            color: var(--primary);
            background: rgba(26,42,108,0.08);
            font-weight: 600;
        }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--accent);
            border-radius: 4px;
        }
        .nav-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: var(--radius-sm);
            background: var(--bg-alt);
            color: var(--text);
            font-size: 1.2rem;
            align-items: center;
            justify-content: center;
            transition: var(--transition);
        }
        .nav-toggle:hover { background: var(--border); }

        /* ===== 移动端导航 ===== */
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(255,255,255,0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 24px 28px;
                gap: 4px;
                border-bottom: 1px solid var(--border);
                box-shadow: 0 20px 40px rgba(0,0,0,0.06);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
            }
            .nav-links.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-links a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1rem;
            }
            .nav-links a.active::after { display: none; }
            .nav-links a.active { background: rgba(26,42,108,0.1); }
            .nav-toggle { display: flex; }
        }
        @media (max-width: 480px) {
            .header-inner { height: 60px; }
            .logo { font-size: 1.25rem; }
        }

        /* ===== 页面 Banner ===== */
        .page-banner {
            position: relative;
            padding: 80px 0 72px;
            background: var(--primary);
            overflow: hidden;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            opacity: 0.12;
            mix-blend-mode: overlay;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(26,42,108,0.92) 0%, rgba(15,26,66,0.88) 100%);
        }
        .banner-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .banner-content h1 {
            color: #fff;
            font-size: 2.8rem;
            margin-bottom: 12px;
        }
        .banner-content h1 i { color: var(--accent); margin-right: 10px; }
        .banner-content p {
            color: rgba(255,255,255,0.75);
            font-size: 1.1rem;
            max-width: 620px;
            margin: 0 auto 16px;
        }
        .banner-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 0.88rem;
            color: rgba(255,255,255,0.6);
        }
        .banner-breadcrumb a { color: rgba(255,255,255,0.8); }
        .banner-breadcrumb a:hover { color: #fff; }
        .banner-breadcrumb span { color: var(--accent); }

        @media (max-width: 768px) {
            .page-banner { padding: 56px 0 48px; }
            .banner-content h1 { font-size: 2rem; }
            .banner-content p { font-size: 0.98rem; }
        }
        @media (max-width: 480px) {
            .page-banner { padding: 44px 0 36px; }
            .banner-content h1 { font-size: 1.6rem; }
        }

        /* ===== 分类导航标签 ===== */
        .category-tabs {
            padding: 28px 0 8px;
            background: var(--bg-body);
        }
        .tabs-wrapper {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }
        .tab-btn {
            padding: 10px 24px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            background: var(--bg-card);
            color: var(--text-soft);
            border: 1px solid var(--border);
            transition: var(--transition);
            cursor: pointer;
            box-shadow: var(--shadow-sm);
        }
        .tab-btn:hover {
            border-color: var(--primary-light);
            color: var(--primary);
            transform: translateY(-1px);
        }
        .tab-btn.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 16px rgba(26,42,108,0.2);
        }
        .tab-btn i { margin-right: 6px; }

        @media (max-width: 600px) {
            .tabs-wrapper { gap: 6px; }
            .tab-btn { padding: 8px 16px; font-size: 0.82rem; }
        }

        /* ===== 赛事列表区 ===== */
        .section-guide {
            padding: 48px 0 64px;
        }
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            margin-bottom: 32px;
            flex-wrap: wrap;
            gap: 12px;
        }
        .section-header h2 {
            font-size: 1.7rem;
        }
        .section-header h2 i { color: var(--accent); margin-right: 8px; }
        .section-header .sub-link {
            font-size: 0.92rem;
            color: var(--primary-light);
            font-weight: 500;
        }
        .section-header .sub-link:hover { color: var(--accent); }

        /* ===== 卡片网格 ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }
        .card-item:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: transparent;
        }
        .card-img {
            position: relative;
            width: 100%;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: var(--bg-alt);
        }
        .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s cubic-bezier(0.2, 0, 0, 1);
        }
        .card-item:hover .card-img img { transform: scale(1.06); }
        .card-img .card-badge {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
        }
        .card-body {
            padding: 20px 22px 24px;
        }
        .card-body .card-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 10px;
        }
        .card-body h3 {
            font-size: 1.12rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .card-body h3 a { color: var(--text); }
        .card-body h3 a:hover { color: var(--primary-light); }
        .card-body p {
            font-size: 0.9rem;
            color: var(--text-light);
            margin-bottom: 14px;
        }
        .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-light);
            border-top: 1px solid var(--border-light);
            padding-top: 14px;
        }
        .card-meta i { margin-right: 4px; color: var(--accent); }
        .card-meta .meta-author { display: flex; align-items: center; gap: 6px; }

        @media (max-width: 1024px) {
            .card-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 600px) {
            .card-grid { grid-template-columns: 1fr; }
            .section-header h2 { font-size: 1.4rem; }
            .card-body { padding: 16px 18px 20px; }
        }

        /* ===== 特色分类区块 ===== */
        .section-featured {
            padding: 60px 0;
            background: var(--bg-alt);
        }
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .featured-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 22px 24px;
            text-align: center;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .featured-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
            border-color: transparent;
        }
        .featured-card .f-icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin: 0 auto 14px;
            background: var(--accent-glow);
            color: var(--accent);
        }
        .featured-card h4 { font-size: 1.05rem; margin-bottom: 6px; }
        .featured-card p { font-size: 0.84rem; color: var(--text-light); margin-bottom: 0; }
        .featured-card .f-count {
            display: inline-block;
            margin-top: 10px;
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--primary-light);
            background: rgba(26,42,108,0.06);
            padding: 2px 14px;
            border-radius: 50px;
        }

        @media (max-width: 900px) {
            .featured-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 480px) {
            .featured-grid { grid-template-columns: 1fr; }
        }

        /* ===== 赛程预告 ===== */
        .section-schedule {
            padding: 56px 0 64px;
        }
        .schedule-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .schedule-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }
        .schedule-item:hover {
            box-shadow: var(--shadow-md);
            border-color: transparent;
            transform: translateX(4px);
        }
        .schedule-item .s-date {
            min-width: 60px;
            text-align: center;
            font-weight: 700;
            font-size: 1.1rem;
            color: var(--primary);
            line-height: 1.3;
        }
        .schedule-item .s-date small {
            display: block;
            font-size: 0.72rem;
            font-weight: 400;
            color: var(--text-light);
        }
        .schedule-item .s-info {
            flex: 1;
        }
        .schedule-item .s-info h4 { font-size: 1rem; margin-bottom: 2px; }
        .schedule-item .s-info p { font-size: 0.83rem; color: var(--text-light); margin-bottom: 0; }
        .schedule-item .s-status {
            font-size: 0.78rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 50px;
            white-space: nowrap;
        }
        .s-status.upcoming {
            background: rgba(26,42,108,0.07);
            color: var(--primary);
        }
        .s-status.live {
            background: rgba(232,69,60,0.12);
            color: var(--accent);
            animation: pulse-badge 2s infinite;
        }
        .s-status.ended {
            background: rgba(74,74,106,0.08);
            color: var(--text-light);
        }

        @media (max-width: 600px) {
            .schedule-item { flex-wrap: wrap; gap: 10px; padding: 14px 16px; }
            .schedule-item .s-date { min-width: 44px; font-size: 0.95rem; }
            .schedule-item .s-info h4 { font-size: 0.9rem; }
            .schedule-item .s-status { font-size: 0.72rem; padding: 2px 10px; }
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: 56px 0 64px;
            background: var(--bg-body);
        }
        .faq-grid {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: var(--primary-light); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--text);
            cursor: pointer;
            transition: var(--transition);
            background: none;
            width: 100%;
            text-align: left;
        }
        .faq-question:hover { color: var(--primary); }
        .faq-question i { color: var(--accent); font-size: 0.9rem; transition: var(--transition); }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.2, 0, 0, 1), padding 0.3s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 0.92rem;
            color: var(--text-soft);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .section-cta {
            padding: 64px 0;
            background: var(--primary);
            position: relative;
            overflow: hidden;
        }
        .section-cta::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: 0.08;
            mix-blend-mode: overlay;
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
        }
        .cta-content h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 12px;
        }
        .cta-content p {
            color: rgba(255,255,255,0.75);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 24px;
        }
        .cta-content .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        @media (max-width: 600px) {
            .cta-content h2 { font-size: 1.6rem; }
            .cta-content p { font-size: 0.92rem; }
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.8);
            padding: 60px 0 28px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            padding-bottom: 36px;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 0.95rem;
            font-weight: 600;
            margin-bottom: 16px;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: rgba(255,255,255,0.55);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: #fff; padding-left: 4px; }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 24px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .footer-bottom p {
            font-size: 0.82rem;
            color: rgba(255,255,255,0.4);
            margin-bottom: 0;
        }
        .footer-socials { display: flex; gap: 12px; }
        .footer-socials a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255,255,255,0.06);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255,255,255,0.5);
            font-size: 0.95rem;
            transition: var(--transition);
        }
        .footer-socials a:hover {
            background: var(--accent);
            color: #fff;
            transform: translateY(-2px);
        }

        @media (max-width: 900px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .footer-brand { grid-column: 1 / -1; }
        }
        @media (max-width: 600px) {
            .footer-grid { grid-template-columns: 1fr; gap: 24px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== 响应式微调 ===== */
        @media (max-width: 480px) {
            .container { padding: 0 16px; }
            h1 { font-size: 1.8rem; }
            h2 { font-size: 1.4rem; }
        }

        /* ===== 动画 ===== */
        .fade-up {
            opacity: 0;
            transform: translateY(24px);
            transition: opacity 0.6s ease, transform 0.6s ease;
        }
        .fade-up.visible {
            opacity: 1;
            transform: translateY(0);
        }