/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f1b4d;
            --primary-light: #1a2d7a;
            --primary-dark: #0a1233;
            --accent: #e74c3c;
            --accent-hover: #c0392b;
            --gold: #f1c40f;
            --gold-light: #f7dc6f;
            --bg: #f5f6fa;
            --bg-alt: #ffffff;
            --bg-dark: #0a1233;
            --text: #2c3e50;
            --text-light: #7f8c8d;
            --text-white: #ffffff;
            --border: rgba(255, 255, 255, 0.15);
            --border-card: #e9ecef;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(15, 27, 77, 0.12);
            --shadow-hover: 0 16px 48px rgba(15, 27, 77, 0.20);
            --shadow-glow: 0 0 40px rgba(231, 76, 60, 0.30);
            --transition: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --max-width: 1200px;
            --nav-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);
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        img { max-width: 100%; height: auto; display: block; }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; color: var(--primary); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.8rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.6rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        p { margin-bottom: 0.5rem; }

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

        /* ===== Section Spacing ===== */
        .section { padding: 80px 0; }
        .section-alt { background: var(--bg-alt); }
        .section-dark { background: var(--bg-dark); color: var(--text-white); }
        .section-title { text-align: center; margin-bottom: 16px; }
        .section-title h2 { margin-bottom: 8px; }
        .section-title p { color: var(--text-light); font-size: 1.1rem; max-width: 680px; margin: 0 auto; }
        .section-dark .section-title h2 { color: var(--text-white); }
        .section-dark .section-title p { color: rgba(255,255,255,0.7); }

        /* ===== Glass Navigation ===== */
        .site-header {
            position: fixed;
            top: 0; left: 0; right: 0;
            z-index: 1000;
            height: var(--nav-height);
            background: rgba(15, 27, 77, 0.75);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border-bottom: 1px solid rgba(255,255,255,0.10);
            box-shadow: 0 4px 30px rgba(0,0,0,0.15);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(15, 27, 77, 0.92);
            box-shadow: 0 4px 40px rgba(0,0,0,0.25);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.02em;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i { color: var(--gold); font-size: 1.5rem; }
        .logo span { background: linear-gradient(135deg, #fff 60%, var(--gold-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-menu { display: flex; align-items: center; gap: 8px; }
        .nav-menu a {
            color: rgba(255,255,255,0.80);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 18px;
            border-radius: 100px;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover, .nav-menu a.active {
            color: #fff;
            background: rgba(255,255,255,0.12);
        }
        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px; left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--gold);
            border-radius: 4px;
        }
        .nav-cta {
            background: var(--accent) !important;
            color: #fff !important;
            padding: 8px 22px !important;
            border-radius: 100px !important;
            font-weight: 600 !important;
            box-shadow: 0 4px 16px rgba(231,76,60,0.35);
        }
        .nav-cta:hover {
            background: var(--accent-hover) !important;
            box-shadow: 0 6px 24px rgba(231,76,60,0.50) !important;
            transform: translateY(-2px);
        }
        .nav-toggle {
            display: none;
            color: #fff;
            font-size: 1.6rem;
            padding: 4px 8px;
            background: rgba(255,255,255,0.10);
            border-radius: 8px;
            border: 1px solid rgba(255,255,255,0.15);
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 50%, #1a0a3e 100%);
            overflow: hidden;
            padding-top: var(--nav-height);
        }
        .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 center, transparent 30%, rgba(15,27,77,0.70) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
            padding: 40px 24px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.10);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.15);
            padding: 8px 22px;
            border-radius: 100px;
            font-size: 0.85rem;
            color: var(--gold-light);
            margin-bottom: 24px;
        }
        .hero-badge i { font-size: 0.75rem; }
        .hero h1 {
            color: #fff;
            font-weight: 900;
            letter-spacing: -0.03em;
            text-shadow: 0 4px 40px rgba(0,0,0,0.30);
            margin-bottom: 16px;
        }
        .hero h1 em { font-style: normal; background: linear-gradient(135deg, var(--gold), var(--accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p {
            font-size: 1.2rem;
            color: rgba(255,255,255,0.75);
            max-width: 600px;
            margin: 0 auto 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: center;
            gap: 16px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--accent);
            color: #fff;
            padding: 16px 36px;
            border-radius: 100px;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 8px 32px rgba(231,76,60,0.40);
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: 0 12px 48px rgba(231,76,60,0.55);
            transform: translateY(-3px);
        }
        .btn-primary i { font-size: 1.2rem; }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: transparent;
            color: #fff;
            padding: 14px 32px;
            border-radius: 100px;
            font-weight: 600;
            font-size: 1rem;
            border: 2px solid rgba(255,255,255,0.30);
            transition: var(--transition);
        }
        .btn-outline:hover {
            background: rgba(255,255,255,0.10);
            border-color: rgba(255,255,255,0.60);
            transform: translateY(-2px);
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 32px 60px;
            margin-top: 48px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.10);
        }
        .hero-stat { text-align: center; }
        .hero-stat .num { font-size: 2rem; font-weight: 800; color: #fff; }
        .hero-stat .num span { color: var(--gold); }
        .hero-stat .label { font-size: 0.85rem; color: rgba(255,255,255,0.55); margin-top: 2px; }

        /* ===== Cards ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 28px;
            margin-top: 40px;
        }
        .card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            padding: 32px 28px;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-card);
        }
        .card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .card .icon {
            width: 56px;
            height: 56px;
            border-radius: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            color: #fff;
            margin-bottom: 18px;
            background: var(--primary);
        }
        .card .icon.accent { background: var(--accent); }
        .card .icon.gold { background: var(--gold); color: var(--primary); }
        .card h3 { font-size: 1.25rem; margin-bottom: 10px; }
        .card p { color: var(--text-light); font-size: 0.95rem; }
        .card .tag {
            display: inline-block;
            background: rgba(231,76,60,0.10);
            color: var(--accent);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 100px;
            margin-bottom: 12px;
        }

        /* ===== Cover Card ===== */
        .cover-card {
            background: var(--bg-alt);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: var(--transition);
            border: 1px solid var(--border-card);
        }
        .cover-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .cover-card .pic {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
        }
        .cover-card .body { padding: 22px 24px 26px; }
        .cover-card .body .tag {
            display: inline-block;
            background: rgba(15,27,77,0.08);
            color: var(--primary);
            font-size: 0.75rem;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 100px;
            margin-bottom: 10px;
        }
        .cover-card .body h3 { font-size: 1.15rem; margin-bottom: 6px; }
        .cover-card .body p { color: var(--text-light); font-size: 0.90rem; }
        .cover-card .body .meta { display: flex; align-items: center; gap: 16px; margin-top: 14px; font-size: 0.80rem; color: var(--text-light); }

        /* ===== News / CMS List ===== */
        .news-list { margin-top: 40px; }
        .news-item {
            display: block;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            padding: 20px 24px;
            margin-bottom: 14px;
            box-shadow: 0 2px 12px rgba(0,0,0,0.04);
            border: 1px solid var(--border-card);
            transition: var(--transition);
        }
        .news-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(6px);
            border-color: var(--primary-light);
        }
        .news-item .top { display: flex; align-items: center; gap: 12px; flex-wrap: wrap; margin-bottom: 6px; }
        .news-item .top .tag {
            background: rgba(231,76,60,0.10);
            color: var(--accent);
            font-size: 0.70rem;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 100px;
        }
        .news-item .top time { font-size: 0.80rem; color: var(--text-light); }
        .news-item h3 { font-size: 1.05rem; margin-bottom: 4px; color: var(--primary); }
        .news-item p { color: var(--text-light); font-size: 0.90rem; }
        .news-empty {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 1.05rem;
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            border: 1px dashed var(--border-card);
        }

        /* ===== Process / Steps ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 40px;
            counter-reset: step;
        }
        .step-card {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.10);
            border-radius: var(--radius);
            padding: 32px 24px;
            text-align: center;
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            background: rgba(255,255,255,0.08);
            transform: translateY(-4px);
        }
        .step-card .step-num {
            width: 52px;
            height: 52px;
            border-radius: 50%;
            background: var(--gold);
            color: var(--primary);
            font-weight: 800;
            font-size: 1.4rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 18px;
        }
        .step-card h3 { color: #fff; font-size: 1.1rem; margin-bottom: 8px; }
        .step-card p { color: rgba(255,255,255,0.65); font-size: 0.90rem; }

        /* ===== FAQ ===== */
        .faq-list { max-width: 780px; margin: 36px auto 0; }
        .faq-item {
            background: var(--bg-alt);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            border: 1px solid var(--border-card);
            overflow: hidden;
        }
        .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1.02rem;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            transition: var(--transition);
        }
        .faq-q:hover { background: rgba(15,27,77,0.03); }
        .faq-q i { color: var(--text-light); transition: var(--transition); font-size: 0.90rem; }
        .faq-q.active i { transform: rotate(180deg); color: var(--accent); }
        .faq-a {
            padding: 0 24px;
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
        }
        .faq-a.open {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-a p { color: var(--text-light); font-size: 0.95rem; line-height: 1.8; }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(135deg, var(--primary) 0%, #1a0a3e 100%);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-block::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.10;
            mix-blend-mode: overlay;
        }
        .cta-block h2 { color: #fff; font-size: clamp(1.5rem, 3vw, 2.2rem); margin-bottom: 12px; position: relative; }
        .cta-block p { color: rgba(255,255,255,0.70); font-size: 1.05rem; margin-bottom: 28px; position: relative; }
        .cta-block .btn-primary { position: relative; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.65);
            padding: 48px 0 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .footer-brand .logo { margin-bottom: 14px; font-size: 1.2rem; }
        .footer-brand p { font-size: 0.88rem; line-height: 1.8; max-width: 320px; }
        .footer-col h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--gold); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            font-size: 0.82rem;
            color: rgba(255,255,255,0.40);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-menu { display: none; }
            .nav-toggle { display: block; }
            .nav-menu.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0; right: 0;
                background: rgba(15,27,77,0.96);
                backdrop-filter: blur(20px);
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255,255,255,0.08);
            }
            .nav-menu.open a { width: 100%; padding: 12px 18px; }
            .nav-menu.open a.active::after { display: none; }
            .hero h1 { font-size: 2rem; }
            .hero p { font-size: 1rem; }
            .hero-stats { gap: 20px 32px; }
            .hero-stat .num { font-size: 1.5rem; }
            .card-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; }
            .cta-block { padding: 36px 24px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; gap: 8px; text-align: center; }
            .section { padding: 48px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero { min-height: 90vh; }
            .hero-actions { flex-direction: column; width: 100%; }
            .btn-primary, .btn-outline { width: 100%; justify-content: center; }
            .news-item { padding: 16px 18px; }
            .card, .cover-card .body { padding: 20px 18px; }
            .faq-q { padding: 14px 16px; font-size: 0.95rem; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-12 { margin-top: 12px; }
        .mt-24 { margin-top: 24px; }
        .mt-40 { margin-top: 40px; }
        .gap-16 { gap: 16px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }
        .rounded-full { border-radius: 100px; }

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff4d5a;
            --secondary: #1d3557;
            --secondary-light: #2b4b7a;
            --accent: #f4a261;
            --bg-dark: #0b132b;
            --bg-card: #ffffff;
            --bg-section: #f8f9fa;
            --bg-muted: #e9ecef;
            --text-dark: #1a1a2e;
            --text-body: #2d3436;
            --text-light: #636e72;
            --text-white: #ffffff;
            --border-color: #e0e0e0;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.10);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.15);
            --shadow-hover: 0 12px 40px rgba(230,57,70,0.18);
            --transition: all 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
            --container-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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-body);
            background: var(--bg-section);
            overflow-x: hidden;
        }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--primary); }
        img { max-width: 100%; height: auto; display: block; border-radius: var(--radius-md); }
        button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: var(--text-dark); }

        /* ===== 容器 ===== */
        .container {
            width: 100%;
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 玻璃导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(11, 19, 43, 0.75);
            backdrop-filter: blur(18px) saturate(180%);
            -webkit-backdrop-filter: blur(18px) saturate(180%);
            border-bottom: 1px solid rgba(255,255,255,0.08);
            box-shadow: 0 4px 30px rgba(0,0,0,0.25);
            transition: var(--transition);
        }
        .header-inner {
            max-width: var(--container-width);
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 24px;
            font-weight: 800;
            color: var(--text-white);
            letter-spacing: -0.5px;
        }
        .logo i { color: var(--primary); font-size: 28px; }
        .logo span { background: linear-gradient(135deg, #fff, #e0e0e0); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .logo:hover span { background: linear-gradient(135deg, var(--primary-light), #fff); -webkit-background-clip: text; -webkit-text-fill-color: transparent; }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-menu a {
            color: rgba(255,255,255,0.75);
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 15px;
            font-weight: 500;
            transition: var(--transition);
            position: relative;
        }
        .nav-menu a:hover { color: #fff; background: rgba(255,255,255,0.10); }
        .nav-menu a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 4px 16px rgba(230,57,70,0.35);
        }
        .nav-menu a.nav-cta {
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 18px rgba(230,57,70,0.35);
        }
        .nav-menu a.nav-cta:hover {
            background: var(--primary-dark);
            box-shadow: 0 6px 28px rgba(230,57,70,0.50);
            transform: translateY(-2px);
        }
        .nav-toggle { display: none; background: none; color: #fff; font-size: 26px; cursor: pointer; padding: 6px; }

        /* ===== Hero 内页横幅 ===== */
        .page-hero {
            margin-top: var(--header-height);
            position: relative;
            height: 340px;
            display: flex;
            align-items: center;
            justify-content: center;
            text-align: center;
            background: linear-gradient(135deg, rgba(11,19,43,0.85), rgba(29,53,87,0.80)), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            overflow: hidden;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--bg-section), transparent);
        }
        .page-hero .hero-content { position: relative; z-index: 2; padding: 0 24px; }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(230,57,70,0.20);
            backdrop-filter: blur(6px);
            border: 1px solid rgba(230,57,70,0.30);
            color: var(--primary-light);
            padding: 4px 18px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            max-width: 800px;
            margin: 0 auto 12px;
            text-shadow: 0 4px 30px rgba(0,0,0,0.40);
        }
        .page-hero .hero-meta {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            color: rgba(255,255,255,0.80);
            font-size: 15px;
        }
        .page-hero .hero-meta span { display: flex; align-items: center; gap: 6px; }
        .page-hero .hero-meta i { color: var(--primary-light); }

        /* ===== 文章主体 ===== */
        .article-section {
            padding: 60px 0 80px;
            position: relative;
            z-index: 2;
        }
        .article-layout {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 48px;
            align-items: start;
        }
        .article-main {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 48px;
            overflow: hidden;
        }
        .article-main .article-body {
            font-size: 17px;
            line-height: 1.9;
            color: var(--text-body);
        }
        .article-main .article-body p { margin-bottom: 1.6em; }
        .article-main .article-body h2, .article-main .article-body h3 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--text-dark);
        }
        .article-main .article-body h2 { font-size: 26px; border-left: 4px solid var(--primary); padding-left: 16px; }
        .article-main .article-body h3 { font-size: 20px; }
        .article-main .article-body ul, .article-main .article-body ol {
            margin: 1em 0;
            padding-left: 24px;
        }
        .article-main .article-body ul li { list-style: disc; margin-bottom: 0.4em; }
        .article-main .article-body ol li { list-style: decimal; margin-bottom: 0.4em; }
        .article-main .article-body a { color: var(--primary); border-bottom: 1px solid transparent; }
        .article-main .article-body a:hover { border-bottom-color: var(--primary); }
        .article-main .article-body blockquote {
            border-left: 4px solid var(--primary);
            background: var(--bg-muted);
            padding: 16px 24px;
            margin: 1.6em 0;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: var(--text-light);
        }
        .article-main .article-body img {
            margin: 2em auto;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
        }
        .article-main .article-body .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 2em;
            padding-top: 1.6em;
            border-top: 1px solid var(--border-color);
        }
        .article-main .article-body .article-tags span {
            background: var(--bg-muted);
            color: var(--text-light);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== 侧边栏 ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 28px 24px;
            border: 1px solid var(--border-color);
        }
        .sidebar-card h3 {
            font-size: 18px;
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            color: var(--text-dark);
        }
        .sidebar-card h3 i { color: var(--primary); }
        .sidebar-card .sidebar-list { display: flex; flex-direction: column; gap: 12px; }
        .sidebar-card .sidebar-list a {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 14px;
            border-radius: var(--radius-sm);
            background: var(--bg-section);
            transition: var(--transition);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-body);
        }
        .sidebar-card .sidebar-list a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateX(4px);
        }
        .sidebar-card .sidebar-list a img {
            width: 48px;
            height: 48px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
        }
        .sidebar-card .sidebar-list a span { flex: 1; }
        .sidebar-card .sidebar-list a .badge {
            background: var(--primary);
            color: #fff;
            font-size: 11px;
            padding: 2px 10px;
            border-radius: 50px;
            font-weight: 600;
        }
        .sidebar-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            text-align: center;
            padding: 32px 24px;
            border-radius: var(--radius-md);
            box-shadow: 0 8px 30px rgba(230,57,70,0.30);
        }
        .sidebar-cta h4 { color: #fff; font-size: 20px; margin-bottom: 8px; }
        .sidebar-cta p { color: rgba(255,255,255,0.85); font-size: 14px; margin-bottom: 16px; }
        .sidebar-cta .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: #fff;
            color: var(--primary);
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 15px;
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(0,0,0,0.15);
        }
        .sidebar-cta .btn-download:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(0,0,0,0.25);
        }

        /* ===== 空状态 ===== */
        .not-found-box {
            text-align: center;
            padding: 80px 24px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
        }
        .not-found-box i { font-size: 64px; color: var(--primary); margin-bottom: 20px; opacity: 0.6; }
        .not-found-box h2 { font-size: 28px; margin-bottom: 12px; }
        .not-found-box p { color: var(--text-light); margin-bottom: 24px; }
        .not-found-box .btn-back {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 50px;
            font-weight: 600;
            transition: var(--transition);
        }
        .not-found-box .btn-back:hover { background: var(--primary-dark); transform: translateY(-2px); }

        /* ===== 底部导航 ===== */
        .article-nav {
            margin-top: 40px;
            display: flex;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .article-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            border-radius: 50px;
            background: var(--bg-card);
            box-shadow: var(--shadow-sm);
            font-weight: 500;
            transition: var(--transition);
            border: 1px solid var(--border-color);
        }
        .article-nav a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: var(--shadow-hover);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 60px 0 30px;
            border-top: 3px solid var(--primary);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .logo { font-size: 22px; margin-bottom: 12px; display: inline-flex; }
        .footer-brand p { font-size: 14px; line-height: 1.8; max-width: 360px; margin-top: 12px; color: rgba(255,255,255,0.55); }
        .footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 16px; font-weight: 600; }
        .footer-col a {
            display: block;
            color: rgba(255,255,255,0.55);
            font-size: 14px;
            padding: 4px 0;
            transition: var(--transition);
        }
        .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
        .footer-col a i { width: 20px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 13px;
            color: rgba(255,255,255,0.40);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .article-layout { grid-template-columns: 1fr; }
            .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(11,19,43,0.98);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                border-bottom: 2px solid var(--primary);
                box-shadow: var(--shadow-lg);
            }
            .nav-menu.open { transform: translateY(0); opacity: 1; }
            .nav-menu a { width: 100%; padding: 12px 18px; font-size: 16px; }
            .nav-toggle { display: block; }
            .page-hero { height: 280px; }
            .page-hero h1 { font-size: 28px; }
            .article-main { padding: 28px 20px; }
            .article-sidebar { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }
        @media (max-width: 520px) {
            .page-hero { height: 240px; }
            .page-hero h1 { font-size: 22px; }
            .page-hero .hero-meta { font-size: 13px; flex-wrap: wrap; gap: 10px; }
            .article-main { padding: 20px 16px; border-radius: var(--radius-md); }
            .article-main .article-body { font-size: 15px; }
            .article-nav { flex-direction: column; }
            .article-nav a { justify-content: center; }
            .sidebar-card { padding: 20px 16px; }
        }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e62e2e;
            --primary-dark: #b71c1c;
            --primary-light: #ff5252;
            --secondary: #1a1a2e;
            --secondary-light: #2d2d44;
            --accent: #f5c518;
            --bg: #0b0b1a;
            --bg-card: #14142b;
            --bg-card-hover: #1c1c3a;
            --text: #f0f0f5;
            --text-muted: #9a9abf;
            --text-light: #c0c0e0;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.15);
            --radius: 12px;
            --radius-lg: 20px;
            --radius-sm: 8px;
            --shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            --shadow-lg: 0 12px 50px rgba(0, 0, 0, 0.6);
            --shadow-glow: 0 0 30px rgba(230, 46, 46, 0.15);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container: 1200px;
            --header-h: 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);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            overflow-x: hidden;
        }

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

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

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

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

        ul {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(11, 11, 26, 0.65);
            backdrop-filter: blur(18px) saturate(1.4);
            -webkit-backdrop-filter: blur(18px) saturate(1.4);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.3);
            transition: background var(--transition), box-shadow var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 11, 26, 0.92);
            box-shadow: 0 4px 40px rgba(0, 0, 0, 0.5);
        }

        .header-inner {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
            height: var(--header-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.5px;
        }

        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }

        .logo span {
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .logo:hover span {
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-menu a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-light);
            transition: var(--transition);
            position: relative;
        }

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

        .nav-menu a.active {
            color: #fff;
            background: rgba(230, 46, 46, 0.2);
        }

        .nav-menu a.active::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            border-radius: 3px;
            background: var(--primary);
        }

        .nav-menu .nav-cta {
            background: var(--primary);
            color: #fff !important;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-left: 8px;
        }

        .nav-menu .nav-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-1px);
            box-shadow: 0 4px 20px rgba(230, 46, 46, 0.35);
        }

        .nav-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 6px;
            transition: var(--transition);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(11, 11, 26, 0.97);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                border-bottom: 1px solid var(--border);
                box-shadow: var(--shadow-lg);
            }

            .nav-menu.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-menu a {
                width: 100%;
                padding: 12px 16px;
                font-size: 1.05rem;
            }

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

            .nav-menu .nav-cta {
                margin-left: 0;
                margin-top: 8px;
                justify-content: center;
            }

            .nav-toggle {
                display: block;
            }

            .header-inner {
                padding: 0 16px;
            }
        }

        /* ===== Inner Banner ===== */
        .inner-banner {
            position: relative;
            padding: 140px 0 80px;
            background: var(--bg);
            overflow: hidden;
            min-height: 320px;
            display: flex;
            align-items: center;
        }

        .inner-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.25;
            z-index: 0;
        }

        .inner-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 11, 26, 0.92) 30%, rgba(11, 11, 26, 0.6) 70%, rgba(11, 11, 26, 0.3) 100%);
            z-index: 1;
        }

        .inner-banner .container {
            position: relative;
            z-index: 2;
        }

        .inner-banner h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .inner-banner h1 i {
            color: var(--accent);
            margin-right: 12px;
        }

        .inner-banner .banner-desc {
            font-size: 1.15rem;
            color: var(--text-light);
            max-width: 640px;
            margin-bottom: 24px;
        }

        .inner-banner .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .inner-banner .breadcrumb a {
            color: var(--text-muted);
        }

        .inner-banner .breadcrumb a:hover {
            color: var(--primary-light);
        }

        .inner-banner .breadcrumb .sep {
            color: var(--text-muted);
        }

        .inner-banner .breadcrumb .current {
            color: var(--text-light);
        }

        @media (max-width: 768px) {
            .inner-banner {
                padding: 110px 0 50px;
                min-height: 240px;
            }

            .inner-banner h1 {
                font-size: 1.9rem;
            }

            .inner-banner .banner-desc {
                font-size: 1rem;
            }
        }

        @media (max-width: 520px) {
            .inner-banner h1 {
                font-size: 1.5rem;
            }
        }

        /* ===== Section ===== */
        .section {
            padding: 80px 0;
        }

        .section-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.3px;
        }

        .section-header h2 i {
            color: var(--primary);
            margin-right: 10px;
        }

        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto;
        }

        .section-header .tagline {
            display: inline-block;
            background: rgba(230, 46, 46, 0.12);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 12px;
            border: 1px solid rgba(230, 46, 46, 0.2);
        }

        @media (max-width: 768px) {
            .section {
                padding: 50px 0;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .section-header p {
                font-size: 0.95rem;
            }
        }

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

        .card-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .card-item:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow), var(--shadow);
            background: var(--bg-card-hover);
        }

        .card-item .card-img {
            width: 100%;
            aspect-ratio: 16 / 10;
            object-fit: cover;
            display: block;
            background: var(--secondary-light);
        }

        .card-item .card-body {
            padding: 20px 22px 24px;
        }

        .card-item .card-tag {
            display: inline-block;
            background: rgba(230, 46, 46, 0.15);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-bottom: 10px;
            border: 1px solid rgba(230, 46, 46, 0.15);
        }

        .card-item h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .card-item .card-desc {
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.6;
            margin-bottom: 14px;
        }

        .card-item .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }

        .card-item .card-meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }

        .card-item .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.9rem;
            margin-top: 12px;
            transition: var(--transition);
        }

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

        @media (max-width: 1024px) {
            .cards-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 640px) {
            .cards-grid {
                grid-template-columns: 1fr;
            }

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

            .card-item h3 {
                font-size: 1.1rem;
            }
        }

        /* ===== Featured List ===== */
        .featured-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .featured-item {
            display: flex;
            gap: 20px;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 20px;
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .featured-item:hover {
            border-color: var(--border-light);
            box-shadow: var(--shadow-glow);
            background: var(--bg-card-hover);
        }

        .featured-item .fi-img {
            width: 120px;
            min-height: 90px;
            border-radius: var(--radius-sm);
            object-fit: cover;
            flex-shrink: 0;
            background: var(--secondary-light);
        }

        .featured-item .fi-body h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 6px;
        }

        .featured-item .fi-body p {
            font-size: 0.88rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

        .featured-item .fi-body .fi-meta {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 8px;
            display: flex;
            gap: 14px;
        }

        .featured-item .fi-body .fi-meta i {
            color: var(--primary-light);
            margin-right: 4px;
        }

        @media (max-width: 768px) {
            .featured-grid {
                grid-template-columns: 1fr;
            }

            .featured-item {
                flex-direction: column;
            }

            .featured-item .fi-img {
                width: 100%;
                height: 160px;
            }
        }

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

        .step-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 32px 20px 28px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            transition: var(--transition);
        }

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

        .step-card::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: 14px;
            right: 18px;
            font-size: 2.8rem;
            font-weight: 900;
            color: rgba(230, 46, 46, 0.12);
            line-height: 1;
        }

        .step-card .step-icon {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }

        .step-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .step-card p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.6;
        }

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

        @media (max-width: 520px) {
            .steps-grid {
                grid-template-columns: 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);
            overflow: hidden;
            transition: var(--transition);
        }

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

        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }

        .faq-item .faq-q:hover {
            background: rgba(255, 255, 255, 0.02);
        }

        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.9rem;
            transition: transform 0.3s;
            flex-shrink: 0;
        }

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

        .faq-item .faq-a {
            padding: 0 22px 18px;
            font-size: 0.93rem;
            color: var(--text-muted);
            line-height: 1.7;
            display: none;
        }

        .faq-item.open .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--secondary), var(--bg-card));
            border-radius: var(--radius-lg);
            padding: 60px 40px;
            text-align: center;
            border: 1px solid var(--border);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.06;
            z-index: 0;
        }

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

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: var(--text-light);
            font-size: 1.05rem;
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-size: 1.05rem;
            font-weight: 700;
            transition: var(--transition);
        }

        .cta-section .cta-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 46, 46, 0.4);
        }

        .cta-section .cta-btn i {
            font-size: 1.1rem;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 20px;
            }

            .cta-section h2 {
                font-size: 1.5rem;
            }
        }

        /* ===== Tags Cloud ===== */
        .tags-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            justify-content: center;
        }

        .tags-cloud .tag {
            display: inline-block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 0.88rem;
            color: var(--text-light);
            transition: var(--transition);
        }

        .tags-cloud .tag:hover {
            border-color: var(--primary);
            color: var(--primary-light);
            background: rgba(230, 46, 46, 0.08);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--secondary);
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border);
        }

        .footer-brand .logo {
            margin-bottom: 14px;
        }

        .footer-brand p {
            font-size: 0.9rem;
            color: var(--text-muted);
            line-height: 1.7;
            max-width: 320px;
        }

        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .footer-col a {
            display: block;
            padding: 4px 0;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: var(--transition);
        }

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

        .footer-col a i {
            width: 20px;
            color: var(--primary-light);
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }

            .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;
            }
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }

        .mt-12 {
            margin-top: 12px;
        }

        .mt-24 {
            margin-top: 24px;
        }

        .mt-40 {
            margin-top: 40px;
        }

        .gap-8 {
            gap: 8px;
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }

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

        ::-webkit-scrollbar-thumb {
            background: var(--secondary-light);
            border-radius: 8px;
        }

        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Focus Visible ===== */
        :focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }