/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --color-primary: #D32F2F;
            --color-primary-hover: #B71C1C;
            --color-primary-light: #FFEBEE;
            --color-secondary: #FF8F00;
            --color-secondary-hover: #E67E00;
            --color-accent: #FF6D00;
            --color-bg: #F5F5F9;
            --color-bg-alt: #FFFFFF;
            --color-bg-dark: #0D1117;
            --color-bg-card: #FFFFFF;
            --color-text: #1a1a2e;
            --color-text-secondary: #4a4a6a;
            --color-text-weak: #8888aa;
            --color-border: #e8e8f0;
            --color-border-light: #f0f0f6;
            --color-success: #2E7D32;
            --color-live: #E53935;
            --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(0,0,0,0.08);
            --shadow-lg: 0 16px 48px rgba(0,0,0,0.12);
            --shadow-xl: 0 24px 64px rgba(0,0,0,0.16);
            --font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
            --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
        body {
            font-family: var(--font-family);
            font-size: 16px;
            line-height: 1.6;
            color: var(--color-text);
            background: var(--color-bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: inherit; text-decoration: none; transition: var(--transition); }
        button, input, textarea, select { font-family: inherit; font-size: inherit; border: none; outline: none; transition: var(--transition); }
        button { cursor: pointer; background: none; }
        ul, ol { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--color-text); }
        h1 { font-size: clamp(2.2rem, 5vw, 3.6rem); }
        h2 { font-size: clamp(1.6rem, 3.5vw, 2.4rem); }
        h3 { font-size: clamp(1.2rem, 2.5vw, 1.6rem); }
        h4 { font-size: clamp(1rem, 2vw, 1.25rem); }
        p { margin-bottom: 0.8rem; color: var(--color-text-secondary); }
        .container { max-width: var(--max-width); margin: 0 auto; padding: 0 24px; }
        .section-padding { padding: 80px 0; }
        .section-title { text-align: center; margin-bottom: 16px; }
        .section-subtitle { text-align: center; color: var(--color-text-weak); font-size: 1.05rem; max-width: 640px; margin: 0 auto 48px; }
        .text-center { text-align: center; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar { width: 8px; }
        ::-webkit-scrollbar-track { background: var(--color-bg); }
        ::-webkit-scrollbar-thumb { background: var(--color-text-weak); border-radius: 4px; }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-height);
            background: rgba(255,255,255,0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--color-border-light);
            z-index: 1000;
            transition: var(--transition);
        }
        .header.scrolled { box-shadow: var(--shadow-md); }
        .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: 1.5rem;
            font-weight: 800;
            color: var(--color-primary);
            letter-spacing: -0.5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            background: var(--color-primary);
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
        }
        .logo span { color: var(--color-text); }
        .nav { display: flex; align-items: center; gap: 8px; }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            transition: var(--transition);
            position: relative;
        }
        .nav a:hover { color: var(--color-primary); background: var(--color-primary-light); }
        .nav a.active { color: var(--color-primary); background: var(--color-primary-light); font-weight: 600; }
        .nav-cta {
            background: var(--color-primary) !important;
            color: #fff !important;
            border-radius: var(--radius-md) !important;
            padding: 10px 28px !important;
            font-weight: 600;
            box-shadow: 0 4px 16px rgba(211,47,47,0.3);
            margin-left: 12px;
        }
        .nav-cta:hover { background: var(--color-primary-hover) !important; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(211,47,47,0.4); }
        .nav-cta i { margin-right: 6px; }
        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text);
            padding: 8px;
            background: none;
            border: none;
            cursor: pointer;
        }

        /* ===== Top Live Bar ===== */
        .live-bar {
            background: linear-gradient(90deg, var(--color-primary), var(--color-accent));
            color: #fff;
            padding: 6px 0;
            font-size: 0.85rem;
            font-weight: 500;
            overflow: hidden;
            position: fixed;
            top: var(--header-height);
            left: 0;
            width: 100%;
            z-index: 999;
            display: flex;
            align-items: center;
        }
        .live-bar-inner {
            display: flex;
            align-items: center;
            gap: 24px;
            animation: scrollLive 30s linear infinite;
            white-space: nowrap;
        }
        .live-bar-item { display: flex; align-items: center; gap: 6px; }
        .live-bar-item .dot {
            width: 8px; height: 8px; border-radius: 50%; background: #fff;
            animation: pulse 1.2s ease-in-out infinite;
        }
        @keyframes pulse { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
        @keyframes scrollLive {
            0% { transform: translateX(100%); }
            100% { transform: translateX(-100%); }
        }

        /* ===== Hero ===== */
        .hero {
            padding: calc(var(--header-height) + 48px) 0 80px;
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(13,17,23,0.88) 0%, rgba(13,17,23,0.70) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0; left: 0; right: 0;
            height: 120px;
            background: linear-gradient(to top, var(--color-bg), transparent);
        }
        .hero-content { position: relative; z-index: 2; text-align: center; max-width: 800px; margin: 0 auto; }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255,255,255,0.12);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(255,255,255,0.18);
            padding: 6px 20px;
            border-radius: 40px;
            font-size: 0.85rem;
            font-weight: 500;
            color: #fff;
            margin-bottom: 24px;
        }
        .hero-badge i { color: var(--color-live); font-size: 0.7rem; animation: pulse 1.2s ease-in-out infinite; }
        .hero h1 { color: #fff; margin-bottom: 16px; }
        .hero h1 span { background: linear-gradient(135deg, var(--color-secondary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .hero p { color: rgba(255,255,255,0.75); font-size: 1.15rem; max-width: 600px; margin: 0 auto 32px; }
        .hero-actions { display: flex; align-items: center; justify-content: center; gap: 16px; flex-wrap: wrap; }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            font-weight: 600;
            font-size: 1rem;
            transition: var(--transition);
            cursor: pointer;
            border: none;
        }
        .btn-primary {
            background: var(--color-primary);
            color: #fff;
            box-shadow: 0 4px 20px rgba(211,47,47,0.35);
        }
        .btn-primary:hover { background: var(--color-primary-hover); transform: translateY(-3px); box-shadow: 0 8px 32px rgba(211,47,47,0.45); }
        .btn-secondary {
            background: rgba(255,255,255,0.10);
            color: #fff;
            border: 1px solid rgba(255,255,255,0.25);
            backdrop-filter: blur(8px);
        }
        .btn-secondary:hover { background: rgba(255,255,255,0.18); transform: translateY(-3px); }
        .btn-lg { padding: 16px 44px; font-size: 1.1rem; border-radius: var(--radius-lg); }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 48px;
            margin-top: 48px;
            flex-wrap: wrap;
        }
        .hero-stat { text-align: center; }
        .hero-stat-number { font-size: 2.2rem; font-weight: 800; color: #fff; }
        .hero-stat-label { font-size: 0.85rem; color: rgba(255,255,255,0.6); margin-top: 4px; }

        /* ===== Features / Core ===== */
        .features { background: var(--color-bg); }
        .features-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 32px; }
        .feature-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
            text-align: center;
        }
        .feature-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
        .feature-icon {
            width: 64px; height: 64px;
            margin: 0 auto 20px;
            background: var(--color-primary-light);
            border-radius: var(--radius-md);
            display: flex; align-items: center; justify-content: center;
            font-size: 1.6rem;
            color: var(--color-primary);
        }
        .feature-card h3 { margin-bottom: 10px; }
        .feature-card p { font-size: 0.95rem; color: var(--color-text-weak); margin: 0; }

        /* ===== Category Guide ===== */
        .guide { background: var(--color-bg-alt); }
        .guide-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 32px; }
        .guide-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            background: var(--color-bg-dark);
            min-height: 280px;
            display: flex;
            align-items: flex-end;
            box-shadow: var(--shadow-md);
            transition: var(--transition);
        }
        .guide-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-xl); }
        .guide-card-bg {
            position: absolute;
            top: 0; left: 0; width: 100%; height: 100%;
            background-size: cover;
            background-position: center;
            opacity: 0.55;
            transition: var(--transition);
        }
        .guide-card:hover .guide-card-bg { transform: scale(1.05); opacity: 0.70; }
        .guide-card-overlay {
            position: relative;
            z-index: 2;
            padding: 32px 28px;
            width: 100%;
            background: linear-gradient(to top, rgba(0,0,0,0.85) 0%, transparent 100%);
            color: #fff;
        }
        .guide-card-overlay h3 { color: #fff; margin-bottom: 6px; }
        .guide-card-overlay p { color: rgba(255,255,255,0.75); font-size: 0.9rem; margin: 0 0 12px; }
        .guide-card-overlay .btn-small {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 20px;
            background: var(--color-secondary);
            color: #fff;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.85rem;
        }
        .guide-card-overlay .btn-small:hover { background: var(--color-secondary-hover); }

        /* ===== Latest Posts (CMS) ===== */
        .latest { background: var(--color-bg); }
        .posts-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
        .post-card {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            transition: var(--transition);
        }
        .post-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); }
        .post-card-img {
            height: 180px;
            background-size: cover;
            background-position: center;
            position: relative;
        }
        .post-card-tag {
            position: absolute;
            top: 12px; left: 12px;
            background: var(--color-primary);
            color: #fff;
            font-size: 0.75rem;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
        }
        .post-card-body { padding: 20px 22px 24px; }
        .post-card-body h4 { font-size: 1.05rem; margin-bottom: 8px; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .post-card-body h4 a { color: var(--color-text); }
        .post-card-body h4 a:hover { color: var(--color-primary); }
        .post-card-body p { font-size: 0.9rem; color: var(--color-text-weak); margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
        .post-card-meta { display: flex; align-items: center; justify-content: space-between; font-size: 0.8rem; color: var(--color-text-weak); border-top: 1px solid var(--color-border-light); padding-top: 14px; }
        .post-card-meta i { margin-right: 4px; }

        /* ===== Stats / Numbers ===== */
        .stats-section {
            background: var(--color-bg-dark);
            background-image: linear-gradient(135deg, rgba(13,17,23,0.92) 0%, rgba(13,17,23,0.80) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            color: #fff;
        }
        .stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 32px; text-align: center; }
        .stat-item { padding: 20px; }
        .stat-number { font-size: 2.8rem; font-weight: 800; color: #fff; line-height: 1.2; }
        .stat-number span { background: linear-gradient(135deg, var(--color-secondary), var(--color-accent)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .stat-label { font-size: 1rem; color: rgba(255,255,255,0.65); margin-top: 6px; }

        /* ===== How It Works ===== */
        .steps { background: var(--color-bg-alt); }
        .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; counter-reset: step; }
        .step-card { text-align: center; position: relative; }
        .step-card::before {
            counter-increment: step;
            content: "0" counter(step);
            position: absolute;
            top: -20px; left: 50%; transform: translateX(-50%);
            font-size: 5rem;
            font-weight: 900;
            color: rgba(211,47,47,0.08);
            line-height: 1;
            pointer-events: none;
        }
        .step-icon {
            width: 72px; height: 72px;
            margin: 0 auto 20px;
            background: var(--color-primary-light);
            border-radius: 50%;
            display: flex; align-items: center; justify-content: center;
            font-size: 1.8rem;
            color: var(--color-primary);
            position: relative;
            z-index: 1;
        }
        .step-card h3 { margin-bottom: 8px; }
        .step-card p { font-size: 0.95rem; color: var(--color-text-weak); margin: 0; }

        /* ===== FAQ ===== */
        .faq { background: var(--color-bg); }
        .faq-list { max-width: 780px; margin: 0 auto; }
        .faq-item {
            background: var(--color-bg-card);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { box-shadow: var(--shadow-md); }
        .faq-question {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--color-text);
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            background: none;
            width: 100%;
            text-align: left;
            gap: 16px;
        }
        .faq-question i { color: var(--color-primary); transition: var(--transition); font-size: 0.9rem; }
        .faq-item.open .faq-question i { transform: rotate(180deg); }
        .faq-answer {
            padding: 0 24px 18px;
            font-size: 0.95rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA / Contact ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--color-primary) 0%, var(--color-accent) 100%);
            color: #fff;
            padding: 80px 0;
            text-align: center;
        }
        .cta-section h2 { color: #fff; margin-bottom: 12px; }
        .cta-section p { color: rgba(255,255,255,0.85); font-size: 1.1rem; max-width: 600px; margin: 0 auto 32px; }
        .cta-section .btn-white {
            background: #fff;
            color: var(--color-primary);
            padding: 16px 44px;
            border-radius: var(--radius-lg);
            font-weight: 700;
            font-size: 1.1rem;
            box-shadow: 0 8px 32px rgba(0,0,0,0.20);
        }
        .cta-section .btn-white:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.30); }

        /* ===== Footer ===== */
        .footer {
            background: var(--color-bg-dark);
            color: rgba(255,255,255,0.75);
            padding: 56px 0 32px;
        }
        .footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 40px; }
        .footer-brand .logo { color: #fff; margin-bottom: 12px; }
        .footer-brand .logo span { color: rgba(255,255,255,0.8); }
        .footer-brand p { font-size: 0.9rem; color: rgba(255,255,255,0.55); max-width: 320px; line-height: 1.7; }
        .footer h4 { color: #fff; font-size: 1rem; margin-bottom: 16px; }
        .footer ul li { margin-bottom: 10px; }
        .footer ul li a { font-size: 0.9rem; color: rgba(255,255,255,0.55); }
        .footer ul li a:hover { color: var(--color-secondary); }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            margin-top: 40px;
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: rgba(255,255,255,0.40);
        }
        .footer-social { display: flex; gap: 12px; }
        .footer-social a {
            width: 40px; height: 40px;
            border-radius: 50%;
            background: rgba(255,255,255,0.08);
            display: flex; align-items: center; justify-content: center;
            color: rgba(255,255,255,0.6);
            font-size: 1rem;
        }
        .footer-social a:hover { background: var(--color-primary); color: #fff; }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .features-grid { grid-template-columns: repeat(2, 1fr); }
            .posts-grid { grid-template-columns: repeat(2, 1fr); }
            .stats-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 768px) {
            .nav { display: none; }
            .nav.open { display: flex; flex-direction: column; position: absolute; top: var(--header-height); left: 0; width: 100%; background: rgba(255,255,255,0.98); backdrop-filter: blur(16px); padding: 16px 24px; box-shadow: var(--shadow-lg); border-bottom: 1px solid var(--color-border); gap: 4px; }
            .nav a { width: 100%; padding: 12px 16px; }
            .nav-cta { margin-left: 0; text-align: center; }
            .mobile-toggle { display: block; }
            .hero { padding: calc(var(--header-height) + 32px) 0 56px; }
            .hero-stats { gap: 24px; }
            .hero-stat-number { font-size: 1.6rem; }
            .features-grid { grid-template-columns: 1fr; }
            .guide-grid { grid-template-columns: 1fr; }
            .posts-grid { grid-template-columns: 1fr; }
            .steps-grid { grid-template-columns: 1fr; gap: 32px; }
            .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
            .stat-number { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .live-bar { display: none; }
            .section-padding { padding: 56px 0; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .hero h1 { font-size: 1.8rem; }
            .hero p { font-size: 0.95rem; }
            .btn-lg { padding: 12px 28px; font-size: 0.95rem; }
            .hero-stats { gap: 16px; flex-direction: column; align-items: center; }
            .stats-grid { grid-template-columns: 1fr 1fr; gap: 12px; }
            .stat-number { font-size: 1.6rem; }
            .guide-card { min-height: 200px; }
            .post-card-img { height: 140px; }
        }

        /* ===== Empty State ===== */
        .empty-state { text-align: center; padding: 40px 20px; color: var(--color-text-weak); }
        .empty-state i { font-size: 2.4rem; margin-bottom: 16px; display: block; color: var(--color-border); }
        .empty-state p { font-size: 0.95rem; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b6b;
            --secondary: #1d3557;
            --secondary-light: #457b9d;
            --accent: #ffd166;
            --accent-dark: #f4a261;
            --bg: #0f0f1a;
            --bg-card: #1a1a2e;
            --bg-card-hover: #222240;
            --bg-soft: #16213e;
            --text: #f1f1f6;
            --text-muted: #a8a8c8;
            --text-soft: #c8c8e0;
            --border: #2a2a4a;
            --border-light: #3a3a5a;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-lg: 24px;
            --shadow: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-hover: 0 16px 48px rgba(230, 57, 70, 0.25);
            --shadow-card: 0 4px 20px rgba(0, 0, 0, 0.3);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, sans-serif;
            --container: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }
        ul,
        ol {
            list-style: none;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.25;
            font-weight: 700;
            letter-spacing: -0.02em;
        }
        h1 {
            font-size: 2.8rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 0.75rem;
            color: var(--text-soft);
        }
        .container {
            max-width: var(--container);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Header & Navigation ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 15, 26, 0.92);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            height: var(--header-h);
            transition: background var(--transition), box-shadow var(--transition);
        }
        .header.scrolled {
            background: rgba(15, 15, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--text);
            letter-spacing: -0.5px;
        }
        .logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 10px;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 4px 12px rgba(230, 57, 70, 0.35);
        }
        .logo span {
            color: var(--primary);
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-muted);
            transition: all var(--transition);
            position: relative;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav a i {
            font-size: 0.85rem;
        }
        .nav a:hover {
            color: var(--text);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav a.active {
            color: #fff;
            background: rgba(230, 57, 70, 0.2);
        }
        .nav a.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 50%;
            transform: translateX(-50%);
            width: 20px;
            height: 3px;
            background: var(--primary);
            border-radius: 4px;
        }
        .nav a.nav-cta {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
            font-weight: 700;
        }
        .nav a.nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(230, 57, 70, 0.5);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .nav-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--text);
            cursor: pointer;
            padding: 8px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border);
            transition: all var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            padding: 120px 0 80px;
            background: linear-gradient(160deg, var(--bg) 0%, var(--bg-card) 50%, var(--bg-soft) 100%);
            position: relative;
            overflow: hidden;
            min-height: 380px;
            display: flex;
            align-items: center;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.15) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -10%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(69, 123, 157, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .page-hero .hero-bg-img {
            position: absolute;
            inset: 0;
            z-index: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.08;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.15);
            border: 1px solid rgba(230, 57, 70, 0.25);
            color: var(--primary-light);
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .page-hero .hero-badge i {
            font-size: 0.7rem;
        }
        .page-hero h1 {
            font-size: 3.2rem;
            margin-bottom: 16px;
            background: linear-gradient(135deg, #fff 60%, var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 680px;
            margin: 0 auto 28px;
        }
        .hero-stats {
            display: flex;
            justify-content: center;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero-stats .stat-item {
            text-align: center;
        }
        .hero-stats .stat-item .num {
            font-size: 2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .hero-stats .stat-item .num span {
            color: var(--primary);
        }
        .hero-stats .stat-item .label {
            font-size: 0.8rem;
            color: var(--text-muted);
            margin-top: 2px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
            position: relative;
        }
        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.15);
            color: var(--primary-light);
            padding: 4px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.3px;
            margin-bottom: 16px;
        }
        .section-title {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: #fff;
        }
        .section-sub {
            font-size: 1.05rem;
            color: var(--text-muted);
            max-width: 600px;
            margin-bottom: 40px;
        }
        .section-header {
            margin-bottom: 48px;
        }
        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-sub {
            margin-left: auto;
            margin-right: auto;
        }

        /* ===== Card Grid ===== */
        .card-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }
        .card-grid.col-2 {
            grid-template-columns: repeat(2, 1fr);
        }
        .card-grid.col-3 {
            grid-template-columns: repeat(3, 1fr);
        }
        .card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            overflow: hidden;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
            background: var(--bg-card-hover);
        }
        .card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: 0;
            display: block;
        }
        .card .card-body {
            padding: 24px 20px 20px;
        }
        .card .card-body .card-tag {
            display: inline-block;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.7rem;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .card .card-body h3 {
            font-size: 1.15rem;
            margin-bottom: 8px;
            color: #fff;
        }
        .card .card-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .card .card-body .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 0.8rem;
            color: var(--text-muted);
            border-top: 1px solid var(--border);
            padding-top: 12px;
            margin-top: 4px;
        }
        .card .card-body .card-meta i {
            margin-right: 4px;
            color: var(--primary);
        }

        /* ===== Live / Status Bar ===== */
        .live-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(230, 57, 70, 0.08);
            border: 1px solid rgba(230, 57, 70, 0.2);
            border-radius: var(--radius-sm);
            padding: 12px 20px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .live-bar .live-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--primary);
            animation: pulse-dot 1.5s infinite;
            flex-shrink: 0;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(1.4);
            }
        }
        .live-bar .live-text {
            font-weight: 700;
            color: var(--primary-light);
            font-size: 0.85rem;
            letter-spacing: 0.5px;
        }
        .live-bar .live-info {
            color: var(--text-muted);
            font-size: 0.85rem;
            flex: 1;
        }
        .live-bar .live-btn {
            background: var(--primary);
            color: #fff;
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: all var(--transition);
        }
        .live-bar .live-btn:hover {
            background: var(--primary-dark);
            transform: scale(1.04);
        }

        /* ===== Match / Event Cards ===== */
        .match-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            border: 1px solid var(--border);
            padding: 20px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            transition: all var(--transition);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
        }
        .match-card:hover {
            border-color: var(--border-light);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .match-card .match-teams {
            display: flex;
            align-items: center;
            gap: 16px;
            flex: 2;
            min-width: 200px;
        }
        .match-card .match-teams .team {
            font-weight: 700;
            color: #fff;
            font-size: 1rem;
        }
        .match-card .match-teams .vs {
            color: var(--text-muted);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 0 4px;
        }
        .match-card .match-score {
            font-size: 1.6rem;
            font-weight: 800;
            color: var(--primary);
            letter-spacing: 2px;
            min-width: 60px;
            text-align: center;
        }
        .match-card .match-status {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            color: var(--text-muted);
            min-width: 80px;
        }
        .match-card .match-status .status-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--accent);
        }
        .match-card .match-status .status-dot.live {
            background: var(--primary);
            animation: pulse-dot 1.2s infinite;
        }
        .match-card .match-status .status-dot.done {
            background: #4ade80;
        }
        .match-card .match-cta {
            background: rgba(230, 57, 70, 0.1);
            border: 1px solid rgba(230, 57, 70, 0.2);
            color: var(--primary-light);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            transition: all var(--transition);
        }
        .match-card .match-cta:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
        }

        /* ===== Data / Stats Block ===== */
        .data-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(180px, 1fr));
            gap: 20px;
        }
        .data-card {
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 24px 20px;
            text-align: center;
            transition: all var(--transition);
        }
        .data-card:hover {
            border-color: var(--border-light);
            transform: translateY(-4px);
            box-shadow: var(--shadow);
        }
        .data-card .data-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            line-height: 1.2;
        }
        .data-card .data-num span {
            color: var(--primary);
        }
        .data-card .data-label {
            font-size: 0.85rem;
            color: var(--text-muted);
            margin-top: 6px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius-sm);
            margin-bottom: 12px;
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            padding: 18px 22px;
            font-weight: 700;
            color: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 1rem;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-item .faq-q:hover {
            background: rgba(255, 255, 255, 0.03);
        }
        .faq-item .faq-q i {
            color: var(--primary);
            font-size: 0.85rem;
            transition: transform var(--transition);
        }
        .faq-item .faq-q.open i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            padding: 0 22px 18px;
            color: var(--text-muted);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item .faq-a.open {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(160deg, var(--bg-card) 0%, var(--bg-soft) 100%);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -30%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(230, 57, 70, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-section h2 {
            font-size: 2rem;
            margin-bottom: 12px;
            color: #fff;
        }
        .cta-section p {
            color: var(--text-muted);
            max-width: 540px;
            margin: 0 auto 28px;
            font-size: 1rem;
        }
        .cta-section .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            padding: 14px 36px;
            border-radius: var(--radius-sm);
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 6px 24px rgba(230, 57, 70, 0.35);
            transition: all var(--transition);
        }
        .cta-section .cta-btn:hover {
            transform: translateY(-3px) scale(1.02);
            box-shadow: 0 12px 36px rgba(230, 57, 70, 0.5);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-card);
            border-top: 1px solid var(--border);
            padding: 60px 0 30px;
            margin-top: 20px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer .logo {
            font-size: 1.3rem;
            margin-bottom: 12px;
        }
        .footer .logo .logo-icon {
            width: 34px;
            height: 34px;
            font-size: 1rem;
        }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--text-muted);
            margin-top: 8px;
            line-height: 1.6;
        }
        .footer h4 {
            font-size: 1rem;
            color: #fff;
            margin-bottom: 16px;
            font-weight: 700;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            font-size: 0.88rem;
            color: var(--text-muted);
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .footer ul li a:hover {
            color: var(--primary-light);
        }
        .footer ul li a i {
            font-size: 0.8rem;
            width: 18px;
            color: var(--primary);
        }
        .footer-bottom {
            border-top: 1px solid var(--border);
            padding-top: 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-muted);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-3px);
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: var(--text-muted);
            padding: 16px 0 0;
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--text-muted);
            transition: color var(--transition);
        }
        .breadcrumb a:hover {
            color: var(--primary-light);
        }
        .breadcrumb .sep {
            color: var(--border-light);
            font-size: 0.7rem;
        }
        .breadcrumb .current {
            color: var(--text);
            font-weight: 600;
        }

        /* ===== Filter / Tab Bar ===== */
        .filter-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 32px;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            padding: 12px 16px;
        }
        .filter-bar .filter-label {
            font-size: 0.8rem;
            color: var(--text-muted);
            font-weight: 600;
            margin-right: 8px;
        }
        .filter-bar .filter-btn {
            padding: 6px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border);
            color: var(--text-muted);
            transition: all var(--transition);
            cursor: pointer;
        }
        .filter-bar .filter-btn:hover {
            border-color: var(--border-light);
            color: var(--text);
        }
        .filter-bar .filter-btn.active {
            background: rgba(230, 57, 70, 0.15);
            border-color: rgba(230, 57, 70, 0.3);
            color: var(--primary-light);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .card-grid.col-3 {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero h1 {
                font-size: 2.6rem;
            }
        }
        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }
            .nav {
                display: none;
                position: absolute;
                top: var(--header-h);
                left: 0;
                right: 0;
                background: rgba(15, 15, 26, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--border);
                flex-direction: column;
                padding: 16px 20px;
                gap: 6px;
                box-shadow: 0 20px 60px rgba(0, 0, 0, 0.6);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                width: 100%;
                padding: 12px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
            }
            .nav a.active::after {
                display: none;
            }
            .nav a.nav-cta {
                text-align: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }
            .page-hero {
                padding: 100px 0 60px;
                min-height: 320px;
            }
            .page-hero h1 {
                font-size: 2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stats .stat-item .num {
                font-size: 1.5rem;
            }
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .card-grid {
                grid-template-columns: 1fr;
            }
            .card-grid.col-2,
            .card-grid.col-3 {
                grid-template-columns: 1fr;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .cta-section {
                padding: 36px 24px;
            }
            .cta-section h2 {
                font-size: 1.4rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .match-card {
                flex-direction: column;
                text-align: center;
                padding: 16px 18px;
            }
            .match-card .match-teams {
                justify-content: center;
                flex-wrap: wrap;
            }
            .match-card .match-score {
                font-size: 1.4rem;
            }
            .live-bar {
                flex-direction: column;
                text-align: center;
                padding: 16px;
            }
            .filter-bar {
                flex-direction: column;
                align-items: flex-start;
            }
            .breadcrumb {
                font-size: 0.78rem;
            }
        }
        @media (max-width: 520px) {
            .page-hero h1 {
                font-size: 1.6rem;
            }
            .hero-stats .stat-item .num {
                font-size: 1.2rem;
            }
            .data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 16px 12px;
            }
            .data-card .data-num {
                font-size: 1.5rem;
            }
            .section-title {
                font-size: 1.3rem;
            }
            .cta-section {
                padding: 28px 16px;
            }
            .cta-section .cta-btn {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
            .footer {
                padding: 40px 0 20px;
            }
        }

        /* ===== Misc Utilities ===== */
        .text-center {
            text-align: center;
        }
        .mt-8 {
            margin-top: 8px;
        }
        .mt-16 {
            margin-top: 16px;
        }
        .mt-24 {
            margin-top: 24px;
        }
        .mt-32 {
            margin-top: 32px;
        }
        .mb-16 {
            margin-bottom: 16px;
        }
        .mb-24 {
            margin-bottom: 24px;
        }
        .gap-8 {
            gap: 8px;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .d-none {
            display: none;
        }
        .d-block {
            display: block;
        }

        /* Skeleton / placeholder for dynamic CMS */
        .cms-placeholder {
            background: rgba(255, 255, 255, 0.02);
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-sm);
            padding: 16px 20px;
            color: var(--text-muted);
            font-size: 0.85rem;
            text-align: center;
        }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --primary: #0f172a;
            --primary-light: #1e293b;
            --accent: #f59e0b;
            --accent-hover: #d97706;
            --accent-light: #fef3c7;
            --bg: #f8fafc;
            --bg-card: #ffffff;
            --bg-dark: #0f172a;
            --text: #1e293b;
            --text-light: #64748b;
            --text-white: #f1f5f9;
            --border: #e2e8f0;
            --radius: 16px;
            --radius-sm: 10px;
            --radius-xs: 6px;
            --shadow: 0 4px 24px rgba(15, 23, 42, .08);
            --shadow-lg: 0 12px 48px rgba(15, 23, 42, .14);
            --shadow-hover: 0 20px 56px rgba(15, 23, 42, .18);
            --font: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --transition: .28s cubic-bezier(.4, 0, .2, 1);
            --max-w: 1200px;
            --nav-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font);
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button,
        input,
        textarea {
            font: inherit;
            border: none;
            outline: 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: 2.4rem;
        }
        h2 {
            font-size: 2rem;
        }
        h3 {
            font-size: 1.35rem;
        }
        h4 {
            font-size: 1.1rem;
        }
        p {
            margin-bottom: 1rem;
            color: var(--text-light);
        }
        .container {
            width: 100%;
            max-width: var(--max-w);
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== Utility ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-title h2 {
            font-size: 2.2rem;
            margin-bottom: 12px;
            position: relative;
            display: inline-block;
        }
        .section-title h2::after {
            content: '';
            display: block;
            width: 64px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 12px auto 0;
        }
        .section-title p {
            font-size: 1.1rem;
            max-width: 640px;
            margin: 0 auto;
            color: var(--text-light);
        }
        .text-center {
            text-align: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 60px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition);
            border: 2px solid transparent;
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(245, 158, 11, .35);
        }
        .btn:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(245, 158, 11, .45);
            transform: translateY(-2px);
            color: var(--primary);
        }
        .btn:focus-visible {
            outline: 3px solid var(--accent);
            outline-offset: 4px;
        }
        .btn-outline {
            background: transparent;
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: none;
        }
        .btn-outline:hover {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 4px 14px rgba(245, 158, 11, .3);
        }
        .btn-white {
            background: #fff;
            color: var(--primary);
            box-shadow: 0 4px 20px rgba(0, 0, 0, .1);
        }
        .btn-white:hover {
            background: var(--accent);
            color: var(--primary);
            box-shadow: 0 8px 28px rgba(245, 158, 11, .35);
        }
        .tag {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 60px;
            font-size: .8rem;
            font-weight: 500;
            background: var(--accent-light);
            color: var(--accent-hover);
            transition: background var(--transition);
        }
        .tag:hover {
            background: var(--accent);
            color: var(--primary);
        }
        .badge {
            display: inline-block;
            padding: 2px 12px;
            border-radius: 60px;
            font-size: .75rem;
            font-weight: 600;
            background: var(--accent);
            color: var(--primary);
        }

        /* ===== Header & Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(15, 23, 42, .92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, .06);
            height: var(--nav-h);
            transition: background var(--transition);
        }
        .header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -.5px;
        }
        .logo .logo-icon {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--accent);
            color: var(--primary);
            font-size: 1.2rem;
        }
        .logo span {
            color: var(--accent);
        }
        .logo:hover {
            color: #fff;
        }
        .nav {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav a {
            padding: 8px 18px;
            border-radius: 60px;
            font-size: .92rem;
            font-weight: 500;
            color: rgba(255, 255, 255, .75);
            transition: all var(--transition);
            position: relative;
        }
        .nav a:hover {
            color: #fff;
            background: rgba(255, 255, 255, .08);
        }
        .nav a.active {
            color: var(--primary);
            background: var(--accent);
            box-shadow: 0 4px 16px rgba(245, 158, 11, .3);
        }
        .nav a.active:hover {
            background: var(--accent-hover);
            color: var(--primary);
        }
        .nav a.nav-cta {
            background: var(--accent);
            color: var(--primary);
            font-weight: 700;
            padding: 10px 26px;
            box-shadow: 0 4px 16px rgba(245, 158, 11, .3);
        }
        .nav a.nav-cta:hover {
            background: var(--accent-hover);
            box-shadow: 0 8px 28px rgba(245, 158, 11, .45);
            transform: translateY(-1px);
        }
        .nav a i {
            margin-right: 6px;
            font-size: .88rem;
        }
        .nav-toggle {
            display: none;
            background: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: 8px;
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, .08);
        }

        /* ===== Article Hero ===== */
        .article-hero {
            padding: 140px 0 60px;
            background: var(--primary);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, .92) 0%, rgba(30, 41, 59, .88) 100%), url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            position: relative;
            overflow: hidden;
        }
        .article-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(to top, var(--bg), transparent);
            pointer-events: none;
        }
        .article-hero .container {
            position: relative;
            z-index: 2;
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: .88rem;
            color: rgba(255, 255, 255, .6);
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a {
            color: rgba(255, 255, 255, .7);
            transition: color var(--transition);
        }
        .article-hero .breadcrumb a:hover {
            color: var(--accent);
        }
        .article-hero .breadcrumb span {
            color: rgba(255, 255, 255, .4);
        }
        .article-hero .breadcrumb .current {
            color: var(--accent);
        }
        .article-hero h1 {
            color: #fff;
            font-size: 2.6rem;
            max-width: 860px;
            line-height: 1.25;
            margin-bottom: 20px;
            text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
        }
        .article-hero .meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            color: rgba(255, 255, 255, .7);
            font-size: .95rem;
        }
        .article-hero .meta .badge {
            background: var(--accent);
            color: var(--primary);
            font-size: .78rem;
            padding: 4px 14px;
        }
        .article-hero .meta i {
            margin-right: 6px;
            color: var(--accent);
        }

        /* ===== Article Content ===== */
        .article-main {
            padding: 60px 0 80px;
        }
        .article-main .container {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 48px;
        }
        .article-body {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 40px 44px;
        }
        .article-body .content {
            font-size: 1.05rem;
            line-height: 1.85;
            color: var(--text);
        }
        .article-body .content p {
            margin-bottom: 1.4rem;
            color: var(--text);
        }
        .article-body .content h2,
        .article-body .content h3 {
            margin-top: 2rem;
            margin-bottom: 1rem;
            color: var(--primary);
        }
        .article-body .content img {
            border-radius: var(--radius-sm);
            margin: 1.5rem 0;
            box-shadow: var(--shadow);
        }
        .article-body .content ul,
        .article-body .content ol {
            margin: 1rem 0 1.4rem 1.6rem;
            color: var(--text);
        }
        .article-body .content li {
            margin-bottom: .5rem;
        }
        .article-body .content a {
            color: var(--accent-hover);
            border-bottom: 1px solid transparent;
            transition: border-color var(--transition);
        }
        .article-body .content a:hover {
            border-bottom-color: var(--accent-hover);
        }
        .article-body .content blockquote {
            border-left: 4px solid var(--accent);
            background: var(--accent-light);
            padding: 16px 24px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 1.5rem 0;
            color: var(--primary);
            font-style: italic;
        }
        .article-body .content pre {
            background: var(--primary);
            color: #e2e8f0;
            padding: 20px 24px;
            border-radius: var(--radius-sm);
            overflow-x: auto;
            font-size: .9rem;
            margin: 1.5rem 0;
        }
        .article-body .content code {
            font-family: 'Fira Code', monospace;
            font-size: .9em;
        }
        .article-body .content table {
            width: 100%;
            border-collapse: collapse;
            margin: 1.5rem 0;
        }
        .article-body .content th,
        .article-body .content td {
            padding: 12px 16px;
            border: 1px solid var(--border);
            text-align: left;
        }
        .article-body .content th {
            background: var(--primary);
            color: #fff;
            font-weight: 600;
        }
        .article-body .content td {
            background: #fff;
        }
        .article-body .content .tag {
            margin: .3rem .3rem 0 0;
        }

        .article-body .not-found {
            text-align: center;
            padding: 60px 20px;
        }
        .article-body .not-found h1 {
            font-size: 2.2rem;
            color: var(--primary);
            margin-bottom: 16px;
        }
        .article-body .not-found p {
            color: var(--text-light);
            margin-bottom: 28px;
            font-size: 1.1rem;
        }
        .article-body .not-found .btn {
            margin-top: 8px;
        }

        /* ===== Sidebar ===== */
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 28px 24px;
        }
        .sidebar-card h3 {
            font-size: 1.1rem;
            margin-bottom: 18px;
            padding-bottom: 12px;
            border-bottom: 2px solid var(--accent);
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .sidebar-card h3 i {
            color: var(--accent);
        }
        .sidebar-card ul li {
            padding: 10px 0;
            border-bottom: 1px solid var(--border);
        }
        .sidebar-card ul li:last-child {
            border-bottom: none;
        }
        .sidebar-card ul li a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-light);
            font-size: .95rem;
            transition: color var(--transition);
        }
        .sidebar-card ul li a:hover {
            color: var(--accent-hover);
        }
        .sidebar-card ul li a i {
            color: var(--accent);
            font-size: .8rem;
        }
        .sidebar-card .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .sidebar-card .tag-cloud .tag {
            font-size: .78rem;
        }

        /* ===== Related Posts ===== */
        .related-section {
            background: var(--bg);
            padding: 60px 0 80px;
            border-top: 1px solid var(--border);
        }
        .related-section .section-title {
            margin-bottom: 40px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }
        .related-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            overflow: hidden;
            transition: all var(--transition);
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-6px);
        }
        .related-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            background: var(--primary-light);
        }
        .related-card .card-body {
            padding: 20px 22px 24px;
        }
        .related-card .card-body .badge {
            margin-bottom: 10px;
        }
        .related-card .card-body h4 {
            font-size: 1.05rem;
            margin-bottom: 8px;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-body h4 a {
            color: var(--primary);
            transition: color var(--transition);
        }
        .related-card .card-body h4 a:hover {
            color: var(--accent-hover);
        }
        .related-card .card-body p {
            font-size: .9rem;
            color: var(--text-light);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 0;
        }
        .related-card .card-body .meta-sm {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: .8rem;
            color: var(--text-light);
            margin-top: 12px;
        }
        .related-card .card-body .meta-sm i {
            color: var(--accent);
            margin-right: 4px;
        }
        .related-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            color: var(--text-light);
            font-size: 1rem;
        }

        /* ===== FAQ Section ===== */
        .faq-section {
            background: var(--bg-card);
            padding: 70px 0;
        }
        .faq-grid {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg);
            border-radius: var(--radius-sm);
            padding: 0 24px;
            border: 1px solid var(--border);
            transition: border-color var(--transition);
        }
        .faq-item:hover {
            border-color: var(--accent);
        }
        .faq-item .faq-q {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 0;
            cursor: pointer;
            font-weight: 600;
            color: var(--primary);
            gap: 16px;
            user-select: none;
        }
        .faq-item .faq-q i {
            color: var(--accent);
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-item.open .faq-q i {
            transform: rotate(180deg);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height .4s ease, padding .4s ease;
            padding: 0;
            color: var(--text-light);
            line-height: 1.7;
        }
        .faq-item.open .faq-a {
            max-height: 400px;
            padding: 0 0 20px;
        }

        /* ===== CTA Section ===== */
        .cta-section {
            padding: 80px 0;
            background: var(--primary);
            background-image: linear-gradient(135deg, rgba(15, 23, 42, .9), rgba(30, 41, 59, .85)), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            text-align: center;
            position: relative;
        }
        .cta-section .container {
            position: relative;
            z-index: 2;
        }
        .cta-section h2 {
            color: #fff;
            font-size: 2.2rem;
            margin-bottom: 16px;
        }
        .cta-section p {
            color: rgba(255, 255, 255, .7);
            font-size: 1.1rem;
            max-width: 580px;
            margin: 0 auto 32px;
        }
        .cta-section .btn-group {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-dark);
            color: rgba(255, 255, 255, .7);
            padding: 60px 0 0;
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, .06);
        }
        .footer .footer-brand .logo {
            margin-bottom: 16px;
        }
        .footer .footer-brand p {
            color: rgba(255, 255, 255, .55);
            font-size: .92rem;
            max-width: 360px;
            line-height: 1.7;
        }
        .footer h4 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 600;
        }
        .footer ul li {
            margin-bottom: 10px;
        }
        .footer ul li a {
            color: rgba(255, 255, 255, .55);
            font-size: .9rem;
            transition: color var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer ul li a:hover {
            color: var(--accent);
        }
        .footer ul li a i {
            width: 16px;
            text-align: center;
            color: var(--accent);
        }
        .footer .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: .85rem;
            color: rgba(255, 255, 255, .4);
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer .footer-social {
            display: flex;
            gap: 12px;
        }
        .footer .footer-social a {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .06);
            color: rgba(255, 255, 255, .5);
            font-size: 1rem;
            transition: all var(--transition);
        }
        .footer .footer-social a:hover {
            background: var(--accent);
            color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .article-main .container {
                grid-template-columns: 1fr;
            }
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav {
                display: none;
                position: absolute;
                top: var(--nav-h);
                left: 0;
                right: 0;
                background: rgba(15, 23, 42, .98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 6px;
                border-bottom: 1px solid rgba(255, 255, 255, .06);
                box-shadow: 0 20px 60px rgba(0, 0, 0, .4);
            }
            .nav.open {
                display: flex;
            }
            .nav a {
                width: 100%;
                padding: 14px 18px;
                font-size: 1rem;
            }
            .nav a.nav-cta {
                text-align: center;
                justify-content: center;
                margin-top: 6px;
            }
            .nav-toggle {
                display: block;
            }

            .article-hero h1 {
                font-size: 1.8rem;
            }
            .article-hero {
                padding: 120px 0 40px;
            }
            .article-body {
                padding: 24px 20px;
            }
            .article-body .content {
                font-size: 1rem;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .section-title h2 {
                font-size: 1.6rem;
            }
            .cta-section h2 {
                font-size: 1.6rem;
            }
            .footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .article-hero h1 {
                font-size: 1.4rem;
            }
            .article-hero .meta {
                font-size: .82rem;
                gap: 12px;
            }
            .article-body {
                padding: 16px 14px;
                border-radius: var(--radius-sm);
            }
            .btn {
                padding: 12px 24px;
                font-size: .9rem;
            }
            .container {
                padding: 0 16px;
            }
            .section {
                padding: 40px 0;
            }
            .section-title {
                margin-bottom: 32px;
            }
            .section-title h2 {
                font-size: 1.4rem;
            }
            .related-card .card-img {
                height: 160px;
            }
            .cta-section {
                padding: 50px 0;
            }
            .cta-section h2 {
                font-size: 1.3rem;
            }
            .cta-section p {
                font-size: .95rem;
            }
            .faq-item .faq-q {
                font-size: .92rem;
                padding: 14px 0;
            }
            .faq-item {
                padding: 0 16px;
            }
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp .6s ease both;
        }
        .delay-1 {
            animation-delay: .1s;
        }
        .delay-2 {
            animation-delay: .2s;
        }
        .delay-3 {
            animation-delay: .3s;
        }