/* roulang page: index */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #00f5d4;
            --clr-primary-dim: #00c9ae;
            --clr-primary-glow: rgba(0, 245, 212, 0.35);
            --clr-accent: #ff6b9d;
            --clr-accent-glow: rgba(255, 107, 157, 0.3);
            --clr-dark: #0a0e1a;
            --clr-dark-alt: #111827;
            --clr-dark-card: #1a1f2e;
            --clr-dark-border: #2a3040;
            --clr-surface: #0f1525;
            --clr-text: #e8edf5;
            --clr-text-dim: #8a94a6;
            --clr-text-muted: #5a6478;
            --clr-success: #00f593;
            --clr-warning: #ffb347;
            --clr-error: #ff4757;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-sm: 0 2px 8px rgba(0,0,0,0.3);
            --shadow-md: 0 8px 30px rgba(0,0,0,0.4);
            --shadow-lg: 0 20px 60px rgba(0,0,0,0.5);
            --shadow-glow: 0 0 30px var(--clr-primary-glow);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --max-width: 1200px;
            --header-height: 72px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-dark);
            overflow-x: hidden;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--clr-primary); text-decoration: none; transition: var(--transition); }
        a:hover { color: var(--clr-primary-dim); }
        ul, ol { list-style: none; }
        button, input, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        :focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 3px; border-radius: 4px; }

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

        /* ===== Typography ===== */
        h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: #fff; }
        h1 { font-size: clamp(2.2rem, 5.5vw, 4rem); letter-spacing: -0.02em; }
        h2 { font-size: clamp(1.8rem, 3.5vw, 2.8rem); letter-spacing: -0.01em; }
        h3 { font-size: clamp(1.3rem, 2vw, 1.75rem); }
        h4 { font-size: 1.2rem; }
        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--clr-primary);
            background: rgba(0, 245, 212, 0.1);
            padding: 4px 16px;
            border-radius: 20px;
            border: 1px solid rgba(0, 245, 212, 0.2);
            margin-bottom: 12px;
        }
        .text-dim { color: var(--clr-text-dim); }
        .text-muted { color: var(--clr-text-muted); }

        /* ===== Header / Nav (Dark Neon) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            height: var(--header-height);
            background: rgba(10, 14, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid rgba(0, 245, 212, 0.08);
            transition: var(--transition);
        }
        .site-header.scrolled {
            background: rgba(10, 14, 26, 0.98);
            box-shadow: 0 4px 30px rgba(0,0,0,0.5);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            letter-spacing: -0.02em;
        }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            color: #fff;
            box-shadow: 0 0 20px var(--clr-primary-glow);
        }
        .site-logo .logo-text {
            background: linear-gradient(90deg, #fff, var(--clr-primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--clr-text-dim);
            transition: var(--transition);
            position: relative;
        }
        .nav-list li a i { font-size: 0.85rem; }
        .nav-list li a:hover {
            color: #fff;
            background: rgba(0, 245, 212, 0.08);
        }
        .nav-list li a.active {
            color: var(--clr-primary);
            background: rgba(0, 245, 212, 0.12);
            box-shadow: inset 0 -2px 0 var(--clr-primary), 0 0 20px rgba(0, 245, 212, 0.08);
        }
        .nav-list li a.active i { color: var(--clr-primary); }
        .nav-cta a {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dim)) !important;
            color: #0a0e1a !important;
            font-weight: 700 !important;
            padding: 8px 22px !important;
            border-radius: 8px !important;
            box-shadow: 0 0 20px rgba(0, 245, 212, 0.2);
            transition: var(--transition);
        }
        .nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(0, 245, 212, 0.4);
            color: #0a0e1a !important;
        }
        .nav-cta a i { color: #0a0e1a !important; }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.5rem;
            border-radius: 8px;
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.08);
        }
        .menu-toggle:hover { background: rgba(0, 245, 212, 0.1); }

        @media (max-width: 820px) {
            .menu-toggle { display: flex; }
            .nav-list {
                position: fixed;
                top: var(--header-height);
                left: 0;
                right: 0;
                background: rgba(10, 14, 26, 0.98);
                backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px;
                gap: 4px;
                border-bottom: 2px solid var(--clr-primary);
                box-shadow: 0 20px 60px rgba(0,0,0,0.6);
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: all;
            }
            .nav-list li { width: 100%; }
            .nav-list li a { width: 100%; padding: 12px 18px; font-size: 1rem; }
            .nav-cta { margin-top: 8px; }
            .nav-cta a { justify-content: center; }
        }

        /* ===== Hero Section ===== */
        .hero {
            min-height: 92vh;
            display: flex;
            align-items: center;
            position: relative;
            padding: calc(var(--header-height) + 40px) 0 80px;
            background: radial-gradient(ellipse at 20% 50%, rgba(0, 245, 212, 0.06) 0%, transparent 60%),
                        radial-gradient(ellipse at 80% 30%, rgba(255, 107, 157, 0.04) 0%, transparent 50%),
                        var(--clr-dark);
            overflow: hidden;
        }
        .hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -20%;
            width: 700px;
            height: 700px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0, 245, 212, 0.04) 0%, transparent 70%);
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-content h1 {
            margin-bottom: 20px;
        }
        .hero-content h1 .highlight {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-desc {
            font-size: 1.15rem;
            color: var(--clr-text-dim);
            max-width: 520px;
            margin-bottom: 32px;
            line-height: 1.8;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-dim));
            color: #0a0e1a;
            font-weight: 700;
            font-size: 1rem;
            border-radius: 10px;
            box-shadow: 0 0 30px rgba(0, 245, 212, 0.2);
            transition: var(--transition);
            border: none;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 50px rgba(0, 245, 212, 0.35);
            color: #0a0e1a;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 34px;
            background: transparent;
            color: #fff;
            font-weight: 600;
            font-size: 1rem;
            border-radius: 10px;
            border: 1.5px solid rgba(255,255,255,0.15);
            transition: var(--transition);
        }
        .btn-secondary:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
            background: rgba(0, 245, 212, 0.05);
        }
        .hero-stats {
            display: flex;
            gap: 40px;
            margin-top: 44px;
            padding-top: 32px;
            border-top: 1px solid rgba(255,255,255,0.06);
        }
        .hero-stat h3 {
            font-size: 2rem;
            color: var(--clr-primary);
        }
        .hero-stat p {
            font-size: 0.85rem;
            color: var(--clr-text-muted);
            margin: 0;
        }

        .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-card-glow {
            width: 100%;
            max-width: 480px;
            aspect-ratio: 4/3;
            background: linear-gradient(145deg, rgba(0, 245, 212, 0.05), rgba(255, 107, 157, 0.05));
            border-radius: var(--radius-lg);
            border: 1px solid rgba(0, 245, 212, 0.1);
            padding: 30px;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: 0 0 60px rgba(0, 245, 212, 0.03);
            position: relative;
            overflow: hidden;
        }
        .hero-card-glow::after {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: conic-gradient(from 0deg, transparent, rgba(0, 245, 212, 0.03), transparent, rgba(255, 107, 157, 0.03), transparent);
            animation: rotateGlow 20s linear infinite;
            pointer-events: none;
        }
        @keyframes rotateGlow {
            0% { transform: rotate(0deg); }
            100% { transform: rotate(360deg); }
        }
        .hero-card-inner {
            position: relative;
            z-index: 1;
        }
        .hero-card-inner .tag-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }
        .hero-card-inner .tag-row span {
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 500;
            background: rgba(0, 245, 212, 0.08);
            color: var(--clr-primary);
            border: 1px solid rgba(0, 245, 212, 0.12);
        }
        .hero-card-inner .tag-row span.accent {
            background: rgba(255, 107, 157, 0.08);
            color: var(--clr-accent);
            border-color: rgba(255, 107, 157, 0.15);
        }
        .hero-card-inner .match-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 14px 0;
            border-bottom: 1px solid rgba(255,255,255,0.04);
        }
        .hero-card-inner .match-item:last-child { border-bottom: none; }
        .hero-card-inner .match-item .team {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
        }
        .hero-card-inner .match-item .team i {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(255,255,255,0.04);
            font-size: 1rem;
            color: var(--clr-text-dim);
        }
        .hero-card-inner .match-item .score {
            font-weight: 800;
            font-size: 1.2rem;
            color: var(--clr-primary);
        }
        .hero-card-inner .match-item .status {
            font-size: 0.75rem;
            color: var(--clr-text-muted);
            background: rgba(255,255,255,0.03);
            padding: 4px 12px;
            border-radius: 12px;
        }

        @media (max-width: 860px) {
            .hero-grid { grid-template-columns: 1fr; gap: 40px; }
            .hero { min-height: auto; padding-bottom: 60px; }
            .hero-content h1 { font-size: 2.2rem; }
            .hero-desc { font-size: 1rem; }
            .hero-stats { gap: 24px; flex-wrap: wrap; }
            .hero-stat h3 { font-size: 1.6rem; }
            .hero-visual { order: -1; }
            .hero-card-glow { max-width: 100%; aspect-ratio: auto; padding: 20px; }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-alt {
            background: var(--clr-dark-alt);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 50px;
        }
        .section-header h2 { margin-bottom: 14px; }
        .section-header p { color: var(--clr-text-dim); font-size: 1.05rem; }

        /* ===== Features / Categories ===== */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .feature-card {
            background: var(--clr-dark-card);
            border: 1px solid var(--clr-dark-border);
            border-radius: var(--radius-md);
            padding: 32px 26px;
            transition: var(--transition);
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--clr-primary), var(--clr-accent));
            opacity: 0;
            transition: var(--transition);
        }
        .feature-card:hover::before { opacity: 1; }
        .feature-card:hover {
            border-color: rgba(0, 245, 212, 0.2);
            transform: translateY(-6px);
            box-shadow: var(--shadow-md), 0 0 30px rgba(0, 245, 212, 0.03);
        }
        .feature-card .icon-wrap {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            margin-bottom: 18px;
            background: rgba(0, 245, 212, 0.08);
            color: var(--clr-primary);
            border: 1px solid rgba(0, 245, 212, 0.1);
        }
        .feature-card .icon-wrap.accent {
            background: rgba(255, 107, 157, 0.08);
            color: var(--clr-accent);
            border-color: rgba(255, 107, 157, 0.1);
        }
        .feature-card .icon-wrap.gold {
            background: rgba(255, 179, 71, 0.08);
            color: var(--clr-warning);
            border-color: rgba(255, 179, 71, 0.1);
        }
        .feature-card h3 { font-size: 1.15rem; margin-bottom: 10px; }
        .feature-card p { font-size: 0.92rem; color: var(--clr-text-dim); line-height: 1.7; }
        .feature-card .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            margin-top: 16px;
            font-size: 0.88rem;
            font-weight: 600;
            color: var(--clr-primary);
        }

        @media (max-width: 860px) {
            .features-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .features-grid { grid-template-columns: 1fr; }
            .section { padding: 50px 0; }
        }

        /* ===== Latest Posts / CMS List ===== */
        .posts-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .post-card {
            background: var(--clr-dark-card);
            border: 1px solid var(--clr-dark-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
            display: flex;
            flex-direction: column;
        }
        .post-card:hover {
            border-color: rgba(0, 245, 212, 0.15);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .post-card .post-thumb {
            height: 180px;
            background: linear-gradient(145deg, rgba(0, 245, 212, 0.03), rgba(255, 107, 157, 0.03));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--clr-text-muted);
            border-bottom: 1px solid var(--clr-dark-border);
        }
        .post-card .post-body {
            padding: 20px 22px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .post-card .post-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.78rem;
            color: var(--clr-text-muted);
            margin-bottom: 10px;
        }
        .post-card .post-meta .cat {
            padding: 2px 12px;
            border-radius: 12px;
            background: rgba(0, 245, 212, 0.06);
            color: var(--clr-primary);
            font-weight: 500;
            font-size: 0.72rem;
        }
        .post-card h3 {
            font-size: 1.05rem;
            margin-bottom: 10px;
            line-height: 1.4;
            flex: 1;
        }
        .post-card h3 a { color: #fff; }
        .post-card h3 a:hover { color: var(--clr-primary); }
        .post-card .post-excerpt {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .post-card .post-foot {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 0.8rem;
            color: var(--clr-text-muted);
            border-top: 1px solid rgba(255,255,255,0.04);
            padding-top: 14px;
        }
        .post-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 40px 20px;
            color: var(--clr-text-dim);
            background: var(--clr-dark-card);
            border-radius: var(--radius-md);
            border: 1px dashed var(--clr-dark-border);
        }
        .post-empty i { font-size: 2rem; margin-bottom: 12px; opacity: 0.4; }

        @media (max-width: 860px) {
            .posts-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .posts-grid { grid-template-columns: 1fr; }
        }

        /* ===== Steps / Process ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            counter-reset: step;
        }
        .step-card {
            text-align: center;
            padding: 30px 20px;
            background: var(--clr-dark-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--clr-dark-border);
            transition: var(--transition);
            position: relative;
        }
        .step-card:hover {
            border-color: rgba(0, 245, 212, 0.15);
            transform: translateY(-4px);
        }
        .step-card .step-num {
            width: 48px;
            height: 48px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            font-weight: 800;
            margin: 0 auto 16px;
            background: rgba(0, 245, 212, 0.08);
            color: var(--clr-primary);
            border: 1px solid rgba(0, 245, 212, 0.12);
        }
        .step-card h4 { font-size: 1rem; margin-bottom: 8px; }
        .step-card p { font-size: 0.85rem; color: var(--clr-text-dim); line-height: 1.6; margin: 0; }

        @media (max-width: 860px) {
            .steps-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .steps-grid { grid-template-columns: 1fr; }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--clr-dark-card);
            border: 1px solid var(--clr-dark-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover { border-color: rgba(0, 245, 212, 0.1); }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            font-weight: 600;
            color: #fff;
            cursor: pointer;
            transition: var(--transition);
            gap: 16px;
        }
        .faq-question:hover { color: var(--clr-primary); }
        .faq-question i { transition: var(--transition); font-size: 0.85rem; color: var(--clr-text-muted); }
        .faq-item.open .faq-question i { transform: rotate(180deg); color: var(--clr-primary); }
        .faq-answer {
            padding: 0 24px 18px;
            color: var(--clr-text-dim);
            font-size: 0.92rem;
            line-height: 1.7;
            display: none;
        }
        .faq-item.open .faq-answer { display: block; }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, rgba(0, 245, 212, 0.03), rgba(255, 107, 157, 0.03));
            border-top: 1px solid rgba(0, 245, 212, 0.06);
            border-bottom: 1px solid rgba(0, 245, 212, 0.06);
        }
        .cta-box {
            text-align: center;
            padding: 60px 20px;
        }
        .cta-box h2 { margin-bottom: 16px; }
        .cta-box p {
            color: var(--clr-text-dim);
            font-size: 1.05rem;
            max-width: 540px;
            margin: 0 auto 30px;
        }
        .cta-box .btn-primary { font-size: 1.05rem; padding: 16px 40px; }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-dark-alt);
            border-top: 1px solid rgba(0, 245, 212, 0.04);
            padding: 50px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { font-size: 1.2rem; margin-bottom: 14px; }
        .footer-brand p {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            max-width: 300px;
            line-height: 1.7;
        }
        .footer-col h4 {
            font-size: 0.95rem;
            margin-bottom: 16px;
            color: #fff;
        }
        .footer-col ul li { margin-bottom: 8px; }
        .footer-col ul li a {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            transition: var(--transition);
        }
        .footer-col ul li a:hover { color: var(--clr-primary); padding-left: 4px; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.04);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--clr-text-muted);
        }
        .footer-bottom a { color: var(--clr-text-dim); }
        .footer-bottom a:hover { color: var(--clr-primary); }

        @media (max-width: 768px) {
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; text-align: center; }
            .footer-brand p { max-width: 100%; }
            .footer-bottom { flex-direction: column; text-align: center; }
        }

        /* ===== Utility ===== */
        .text-center { text-align: center; }
        .mt-20 { margin-top: 20px; }
        .mb-12 { margin-bottom: 12px; }
        .gap-8 { gap: 8px; }
        .flex-center { display: flex; align-items: center; justify-content: center; }

        /* ===== Foundation Overrides ===== */
        .grid-container { max-width: var(--max-width); padding-left: 24px; padding-right: 24px; }
        @media (max-width: 768px) { .grid-container { padding-left: 16px; padding-right: 16px; } }
        .cell { margin-bottom: 0; }

/* roulang page: article */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #00d4ff;
            --clr-primary-dark: #009dcc;
            --clr-primary-light: #66e5ff;
            --clr-secondary: #7c3aed;
            --clr-accent: #f59e0b;
            --clr-bg: #0a0e17;
            --clr-bg-alt: #111827;
            --clr-bg-card: #1a1f2e;
            --clr-bg-nav: rgba(10, 14, 23, 0.96);
            --clr-text: #f1f5f9;
            --clr-text-dim: #94a3b8;
            --clr-text-muted: #64748b;
            --clr-border: rgba(0, 212, 255, 0.12);
            --clr-border-light: rgba(0, 212, 255, 0.30);
            --clr-glow: rgba(0, 212, 255, 0.25);
            --radius: 12px;
            --radius-sm: 8px;
            --radius-lg: 20px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 24px rgba(0, 212, 255, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', system-ui, -apple-system, BlinkMacSystemFont, sans-serif;
            --container-max: 1200px;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { color: var(--clr-primary); text-decoration: none; transition: color var(--transition); }
        a:hover { color: var(--clr-primary-light); }
        a:focus-visible { outline: 2px solid var(--clr-primary); outline-offset: 4px; border-radius: 4px; }
        button, input, textarea { font-family: inherit; font-size: 1rem; }
        ul { list-style: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.25; font-weight: 700; color: var(--clr-text); }
        h1 { font-size: 2.4rem; }
        h2 { font-size: 2rem; }
        h3 { font-size: 1.5rem; }
        h4 { font-size: 1.2rem; }

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

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: var(--clr-bg-nav);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--clr-border);
            transition: background var(--transition);
        }
        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 70px;
        }
        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--clr-text);
            font-size: 1.4rem;
            font-weight: 800;
            letter-spacing: 0.5px;
        }
        .site-logo:hover { color: var(--clr-primary); }
        .site-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.2rem;
            box-shadow: 0 0 16px var(--clr-glow);
        }
        .site-logo .logo-text { background: linear-gradient(135deg, var(--clr-text), var(--clr-primary-light)); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--clr-text-dim);
            font-weight: 500;
            font-size: 0.95rem;
            transition: all var(--transition);
            position: relative;
        }
        .nav-list li a i { font-size: 0.9rem; }
        .nav-list li a:hover,
        .nav-list li a.active {
            color: var(--clr-primary);
            background: rgba(0, 212, 255, 0.08);
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 60%;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--clr-glow);
        }
        .nav-list li.nav-cta a {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            color: #fff;
            font-weight: 600;
            padding: 8px 24px;
            border-radius: 50px;
            box-shadow: 0 0 20px rgba(0, 212, 255, 0.2);
        }
        .nav-list li.nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 32px rgba(0, 212, 255, 0.35);
        }
        .nav-toggle { display: none; background: none; border: none; color: var(--clr-text); font-size: 1.6rem; cursor: pointer; padding: 6px; }

        /* ===== Hero (Article) ===== */
        .article-hero {
            padding: 140px 0 50px;
            position: relative;
            background: linear-gradient(180deg, rgba(0, 212, 255, 0.05) 0%, transparent 80%);
            border-bottom: 1px solid var(--clr-border);
        }
        .article-hero .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            color: var(--clr-text-muted);
            margin-bottom: 24px;
            flex-wrap: wrap;
        }
        .article-hero .breadcrumb a { color: var(--clr-text-dim); }
        .article-hero .breadcrumb a:hover { color: var(--clr-primary); }
        .article-hero .breadcrumb .sep { color: var(--clr-text-muted); }
        .article-hero .breadcrumb .current { color: var(--clr-primary); }
        .article-hero h1 {
            font-size: 2.6rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(135deg, var(--clr-text), var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .article-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            font-size: 0.95rem;
            color: var(--clr-text-dim);
        }
        .article-meta .meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta .meta-item i { color: var(--clr-primary); font-size: 0.85rem; }
        .article-meta .category-badge {
            display: inline-block;
            padding: 4px 16px;
            border-radius: 50px;
            background: rgba(0, 212, 255, 0.12);
            color: var(--clr-primary);
            font-size: 0.85rem;
            font-weight: 600;
            border: 1px solid rgba(0, 212, 255, 0.2);
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: 50px 0 40px;
        }
        .article-body {
            max-width: 820px;
            margin: 0 auto;
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 52px;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-glow);
        }
        .article-body p {
            margin-bottom: 1.4em;
            color: var(--clr-text-dim);
            font-size: 1.05rem;
            line-height: 1.8;
        }
        .article-body h2, .article-body h3, .article-body h4 {
            margin-top: 1.8em;
            margin-bottom: 0.8em;
            color: var(--clr-text);
        }
        .article-body img {
            border-radius: var(--radius);
            margin: 1.6em 0;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow);
        }
        .article-body ul, .article-body ol {
            margin-bottom: 1.4em;
            padding-left: 1.6em;
            color: var(--clr-text-dim);
        }
        .article-body li { margin-bottom: 0.4em; }
        .article-body a { color: var(--clr-primary); text-decoration: underline; text-underline-offset: 3px; }
        .article-body blockquote {
            border-left: 4px solid var(--clr-primary);
            padding: 16px 24px;
            margin: 1.6em 0;
            background: rgba(0, 212, 255, 0.04);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            color: var(--clr-text-dim);
            font-style: italic;
        }
        .article-body code {
            background: rgba(0, 212, 255, 0.08);
            padding: 2px 10px;
            border-radius: 4px;
            font-size: 0.9em;
            color: var(--clr-primary-light);
        }
        .article-body pre {
            background: var(--clr-bg);
            padding: 20px 24px;
            border-radius: var(--radius);
            overflow-x: auto;
            border: 1px solid var(--clr-border);
            margin: 1.6em 0;
        }
        .article-body pre code { background: none; padding: 0; color: var(--clr-text-dim); }

        /* ===== Article Tags ===== */
        .article-tags {
            max-width: 820px;
            margin: 30px auto 0;
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 10px;
            padding-top: 24px;
            border-top: 1px solid var(--clr-border);
        }
        .article-tags .tag-label { color: var(--clr-text-muted); font-size: 0.9rem; font-weight: 600; }
        .article-tags .tag-item {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(0, 212, 255, 0.06);
            color: var(--clr-text-dim);
            font-size: 0.85rem;
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
        }
        .article-tags .tag-item:hover {
            background: rgba(0, 212, 255, 0.12);
            color: var(--clr-primary);
            border-color: var(--clr-border-light);
        }

        /* ===== Related Posts ===== */
        .related-section {
            padding: 50px 0 30px;
            background: var(--clr-bg-alt);
        }
        .related-section .section-title {
            text-align: center;
            margin-bottom: 40px;
        }
        .related-section .section-title h2 {
            font-size: 1.8rem;
            background: linear-gradient(135deg, var(--clr-text), var(--clr-primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            display: inline-block;
        }
        .related-section .section-title p {
            color: var(--clr-text-muted);
            margin-top: 8px;
        }
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .related-card {
            background: var(--clr-bg-card);
            border-radius: var(--radius);
            padding: 28px 24px;
            border: 1px solid var(--clr-border);
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            transform: translateY(-4px);
            border-color: var(--clr-border-light);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.5), 0 0 20px rgba(0, 212, 255, 0.06);
        }
        .related-card .card-cat {
            font-size: 0.8rem;
            color: var(--clr-primary);
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            margin-bottom: 8px;
        }
        .related-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 10px;
            flex: 1;
        }
        .related-card h3 a { color: var(--clr-text); }
        .related-card h3 a:hover { color: var(--clr-primary); }
        .related-card p {
            color: var(--clr-text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            color: var(--clr-text-muted);
            font-size: 0.82rem;
        }
        .related-card .card-meta i { color: var(--clr-primary); margin-right: 4px; font-size: 0.75rem; }
        .related-card .card-link {
            color: var(--clr-primary);
            font-weight: 600;
            font-size: 0.9rem;
        }
        .related-card .card-link i { font-size: 0.75rem; margin-left: 4px; transition: transform var(--transition); }
        .related-card .card-link:hover i { transform: translateX(4px); }

        /* ===== CTA ===== */
        .article-cta {
            padding: 60px 0 70px;
            background: linear-gradient(180deg, var(--clr-bg-alt) 0%, var(--clr-bg) 100%);
        }
        .article-cta .cta-box {
            max-width: 700px;
            margin: 0 auto;
            text-align: center;
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            padding: 48px 40px;
            border: 1px solid var(--clr-border);
            box-shadow: var(--shadow-glow);
        }
        .article-cta .cta-box h3 {
            font-size: 1.6rem;
            margin-bottom: 12px;
        }
        .article-cta .cta-box p {
            color: var(--clr-text-dim);
            margin-bottom: 28px;
            font-size: 1rem;
        }
        .article-cta .cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 40px;
            border-radius: 50px;
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            color: #fff;
            font-weight: 700;
            font-size: 1.05rem;
            box-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
            transition: all var(--transition);
        }
        .article-cta .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 48px rgba(0, 212, 255, 0.35);
            color: #fff;
        }
        .article-cta .cta-btn i { font-size: 0.9rem; }

        /* ===== Not Found ===== */
        .not-found-box {
            max-width: 600px;
            margin: 60px auto;
            text-align: center;
            padding: 60px 40px;
            background: var(--clr-bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--clr-border);
        }
        .not-found-box i {
            font-size: 3.6rem;
            color: var(--clr-text-muted);
            margin-bottom: 20px;
        }
        .not-found-box h2 {
            font-size: 1.8rem;
            margin-bottom: 12px;
        }
        .not-found-box p {
            color: var(--clr-text-dim);
            margin-bottom: 24px;
        }
        .not-found-box .back-home {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 32px;
            border-radius: 50px;
            background: var(--clr-primary);
            color: #fff;
            font-weight: 600;
            transition: all var(--transition);
        }
        .not-found-box .back-home:hover {
            background: var(--clr-primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--clr-bg-alt);
            border-top: 1px solid var(--clr-border);
            padding: 60px 0 30px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1.4fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-brand .site-logo { margin-bottom: 16px; display: inline-flex; }
        .footer-brand p { color: var(--clr-text-muted); font-size: 0.9rem; line-height: 1.7; }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            color: var(--clr-text);
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 32px;
            height: 2px;
            background: var(--clr-primary);
            border-radius: 2px;
            box-shadow: 0 0 12px var(--clr-glow);
        }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul li a {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            transition: color var(--transition);
        }
        .footer-col ul li a:hover { color: var(--clr-primary); }
        .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding-top: 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
        }
        .footer-bottom a { color: var(--clr-text-dim); }
        .footer-bottom a:hover { color: var(--clr-primary); }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-hero h1 { font-size: 2.2rem; }
        }
        @media (max-width: 768px) {
            .nav-list { display: none; }
            .nav-toggle { display: block; }
            .nav-list.open {
                display: flex;
                flex-direction: column;
                position: absolute;
                top: 70px;
                left: 0;
                width: 100%;
                background: var(--clr-bg-nav);
                backdrop-filter: blur(16px);
                padding: 20px 24px;
                border-bottom: 1px solid var(--clr-border);
                gap: 4px;
            }
            .nav-list.open li a { padding: 12px 18px; width: 100%; }
            .nav-list.open li.nav-cta a { width: auto; text-align: center; margin-top: 8px; }
            .article-hero { padding: 120px 0 36px; }
            .article-hero h1 { font-size: 1.8rem; }
            .article-body { padding: 28px 20px; }
            .related-grid { grid-template-columns: 1fr; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .article-meta { gap: 12px; font-size: 0.85rem; }
            .article-cta .cta-box { padding: 32px 24px; }
            .article-cta .cta-box h3 { font-size: 1.3rem; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .article-hero h1 { font-size: 1.5rem; }
            .article-body { padding: 20px 14px; }
            .article-body p { font-size: 0.95rem; }
            .footer-bottom { flex-direction: column; text-align: center; }
            .site-logo { font-size: 1.2rem; }
            .site-logo .logo-icon { width: 32px; height: 32px; font-size: 1rem; }
            .related-card { padding: 20px 18px; }
            .article-cta .cta-btn { padding: 12px 28px; font-size: 0.95rem; }
        }

        /* Foundation override */
        .grid-container { max-width: var(--container-max); padding-left: 24px; padding-right: 24px; }
        @media (max-width: 520px) { .grid-container { padding-left: 16px; padding-right: 16px; } }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #ffd700;
            --clr-primary-hover: #ffed4a;
            --clr-secondary: #00d4ff;
            --clr-secondary-hover: #33ddff;
            --clr-accent: #7b2ff7;
            --clr-bg: #0a0a1a;
            --clr-bg-alt: #101028;
            --clr-card: #14142a;
            --clr-card-hover: #1c1c3a;
            --clr-text: #f0f0f8;
            --clr-text-dim: #9090b8;
            --clr-border: #2a2a50;
            --clr-border-light: #3a3a60;
            --clr-neon-glow: rgba(0, 212, 255, 0.25);
            --clr-neon-gold: rgba(255, 215, 0, 0.2);
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.5);
            --shadow-neon: 0 0 20px rgba(0, 212, 255, 0.15);
            --shadow-gold: 0 0 20px rgba(255, 215, 0, 0.12);
            --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', system-ui, -apple-system, sans-serif;
            --container-max: 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-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--clr-text);
            background: var(--clr-bg);
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--clr-secondary);
            text-decoration: none;
            transition: color var(--transition);
        }
        a:hover {
            color: var(--clr-secondary-hover);
        }
        a:focus-visible {
            outline: 2px solid var(--clr-primary);
            outline-offset: 3px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Typography ===== */
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.25;
            color: var(--clr-text);
            letter-spacing: -0.01em;
        }

        h1 {
            font-size: clamp(2.2rem, 5.5vw, 3.6rem);
            margin-bottom: 0.5em;
        }
        h2 {
            font-size: clamp(1.6rem, 3.6vw, 2.4rem);
            margin-bottom: 0.6em;
        }
        h3 {
            font-size: clamp(1.15rem, 2.2vw, 1.5rem);
            margin-bottom: 0.5em;
        }
        h4 {
            font-size: 1.1rem;
            margin-bottom: 0.4em;
        }

        p {
            margin-bottom: 1em;
            color: var(--clr-text-dim);
        }

        .section-title {
            text-align: center;
            margin-bottom: 0.25em;
        }
        .section-subtitle {
            text-align: center;
            color: var(--clr-text-dim);
            max-width: 680px;
            margin: 0 auto 2.5em auto;
            font-size: 1.05rem;
        }

        .text-glow {
            text-shadow: 0 0 30px rgba(0, 212, 255, 0.2);
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(10, 10, 26, 0.92);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--clr-border);
            height: var(--nav-height);
            transition: background var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--clr-text);
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .site-logo .logo-icon {
            color: var(--clr-primary);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 8px rgba(255, 215, 0, 0.35));
        }
        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--clr-primary), var(--clr-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .site-logo:hover {
            color: var(--clr-text);
        }

        /* Navigation */
        .nav-list {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
        }
        .nav-list>li>a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            color: var(--clr-text-dim);
            font-weight: 500;
            font-size: 0.92rem;
            transition: all var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list>li>a i {
            font-size: 0.85rem;
            opacity: 0.7;
        }
        .nav-list>li>a:hover {
            color: var(--clr-text);
            background: rgba(255, 255, 255, 0.05);
        }
        .nav-list>li>a.active {
            color: var(--clr-primary);
            background: rgba(255, 215, 0, 0.08);
            box-shadow: inset 0 -2px 0 var(--clr-primary), 0 0 20px rgba(255, 215, 0, 0.08);
        }
        .nav-list>li>a.active i {
            opacity: 1;
            color: var(--clr-primary);
        }

        .nav-list .nav-cta a {
            background: linear-gradient(135deg, var(--clr-primary), #e6c200);
            color: #0a0a1a !important;
            font-weight: 700;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
            transition: all var(--transition);
        }
        .nav-list .nav-cta a:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(255, 215, 0, 0.35);
            background: linear-gradient(135deg, var(--clr-primary-hover), #ffd700);
        }
        .nav-list .nav-cta a i {
            color: inherit !important;
            opacity: 1 !important;
        }

        /* Mobile toggle */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--clr-text);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: background var(--transition);
        }
        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== Hero ===== */
        .hero-sports {
            padding: calc(var(--nav-height) + 60px) 0 80px 0;
            background: linear-gradient(165deg, #0a0a1a 0%, #101028 40%, #0d0d24 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--clr-border);
        }
        .hero-sports::before {
            content: '';
            position: absolute;
            top: -30%;
            right: -10%;
            width: 600px;
            height: 600px;
            background: radial-gradient(circle, rgba(0, 212, 255, 0.06), transparent 70%);
            pointer-events: none;
        }
        .hero-sports::after {
            content: '';
            position: absolute;
            bottom: -20%;
            left: -5%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.05), transparent 70%);
            pointer-events: none;
        }
        .hero-sports .container {
            position: relative;
            z-index: 2;
        }
        .hero-sports .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .hero-sports .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 215, 0, 0.12);
            border: 1px solid rgba(255, 215, 0, 0.2);
            padding: 6px 18px;
            border-radius: 50px;
            font-size: 0.82rem;
            color: var(--clr-primary);
            margin-bottom: 20px;
            letter-spacing: 0.5px;
        }
        .hero-sports .hero-badge i {
            font-size: 0.75rem;
        }
        .hero-sports h1 {
            font-size: clamp(2rem, 4.8vw, 3.2rem);
            margin-bottom: 0.4em;
            background: linear-gradient(135deg, #fff 50%, var(--clr-secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .hero-sports p {
            font-size: 1.08rem;
            color: var(--clr-text-dim);
            max-width: 520px;
            margin-bottom: 1.8em;
        }
        .hero-sports .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .hero-sports .hero-visual {
            display: flex;
            justify-content: center;
            align-items: center;
            position: relative;
        }
        .hero-sports .hero-visual .hero-card-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            width: 100%;
            max-width: 480px;
        }
        .hero-sports .hero-visual .stat-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            backdrop-filter: blur(4px);
            transition: all var(--transition);
        }
        .hero-sports .hero-visual .stat-card:hover {
            border-color: var(--clr-secondary);
            box-shadow: var(--shadow-neon);
            transform: translateY(-3px);
        }
        .hero-sports .hero-visual .stat-card .num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--clr-primary);
            display: block;
            line-height: 1.2;
        }
        .hero-sports .hero-visual .stat-card .label {
            font-size: 0.82rem;
            color: var(--clr-text-dim);
            margin-top: 4px;
        }
        .hero-sports .hero-visual .stat-card.highlight {
            border-color: rgba(0, 212, 255, 0.25);
            background: rgba(0, 212, 255, 0.06);
        }
        .hero-sports .hero-visual .stat-card.highlight .num {
            color: var(--clr-secondary);
        }

        /* ===== Buttons ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 30px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition);
            text-align: center;
            white-space: nowrap;
        }
        .btn-primary {
            background: linear-gradient(135deg, var(--clr-primary), #e6c200);
            color: #0a0a1a !important;
            box-shadow: 0 0 20px rgba(255, 215, 0, 0.2);
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 35px rgba(255, 215, 0, 0.35);
            background: linear-gradient(135deg, var(--clr-primary-hover), #ffd700);
        }
        .btn-secondary {
            background: transparent;
            color: var(--clr-text) !important;
            border: 1px solid var(--clr-border);
        }
        .btn-secondary:hover {
            border-color: var(--clr-secondary);
            background: rgba(0, 212, 255, 0.06);
            transform: translateY(-3px);
            box-shadow: var(--shadow-neon);
        }
        .btn-secondary i {
            color: var(--clr-secondary);
        }
        .btn-lg {
            padding: 16px 38px;
            font-size: 1.05rem;
        }

        /* ===== Section Spacing ===== */
        .section-pad {
            padding: 80px 0;
        }
        .section-pad-sm {
            padding: 50px 0;
        }

        /* ===== Sports Categories ===== */
        .sports-categories {
            background: var(--clr-bg-alt);
        }
        .sports-categories .cat-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
            gap: 20px;
        }
        .sports-categories .cat-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 30px 18px 24px;
            text-align: center;
            transition: all var(--transition);
            cursor: default;
        }
        .sports-categories .cat-card:hover {
            border-color: var(--clr-primary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-gold), var(--shadow-card);
            background: var(--clr-card-hover);
        }
        .sports-categories .cat-card .icon-wrap {
            font-size: 2.2rem;
            color: var(--clr-primary);
            margin-bottom: 14px;
            filter: drop-shadow(0 0 10px rgba(255, 215, 0, 0.2));
        }
        .sports-categories .cat-card h3 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .sports-categories .cat-card p {
            font-size: 0.85rem;
            color: var(--clr-text-dim);
            margin-bottom: 0;
        }

        /* ===== Featured Events / Cards ===== */
        .featured-events .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 24px;
        }
        .featured-events .event-card {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
            display: flex;
            flex-direction: column;
        }
        .featured-events .event-card:hover {
            border-color: var(--clr-secondary);
            transform: translateY(-5px);
            box-shadow: var(--shadow-neon), var(--shadow-card);
        }
        .featured-events .event-card .card-img {
            height: 180px;
            background: linear-gradient(135deg, #1a1a3a, #0d0d24);
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
            overflow: hidden;
        }
        .featured-events .event-card .card-img .placeholder-icon {
            font-size: 3rem;
            color: rgba(255, 215, 0, 0.15);
        }
        .featured-events .event-card .card-img .tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--clr-primary);
            color: #0a0a1a;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 12px;
            border-radius: 50px;
            text-transform: uppercase;
        }
        .featured-events .event-card .card-body {
            padding: 20px 20px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .featured-events .event-card .card-body h3 {
            font-size: 1.1rem;
            margin-bottom: 8px;
        }
        .featured-events .event-card .card-body .meta {
            display: flex;
            gap: 16px;
            font-size: 0.82rem;
            color: var(--clr-text-dim);
            margin-bottom: 10px;
        }
        .featured-events .event-card .card-body .meta i {
            margin-right: 4px;
            color: var(--clr-secondary);
        }
        .featured-events .event-card .card-body p {
            font-size: 0.9rem;
            color: var(--clr-text-dim);
            flex: 1;
            margin-bottom: 14px;
        }
        .featured-events .event-card .card-body .btn-sm {
            align-self: flex-start;
            padding: 8px 20px;
            font-size: 0.82rem;
            border-radius: var(--radius-sm);
            background: transparent;
            border: 1px solid var(--clr-border);
            color: var(--clr-text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: all var(--transition);
        }
        .featured-events .event-card .card-body .btn-sm:hover {
            border-color: var(--clr-secondary);
            color: var(--clr-secondary);
            background: rgba(0, 212, 255, 0.06);
        }

        /* ===== News / List ===== */
        .news-section {
            background: var(--clr-bg-alt);
        }
        .news-section .news-list {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 860px;
            margin: 0 auto;
        }
        .news-section .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            transition: all var(--transition);
        }
        .news-section .news-item:hover {
            border-color: rgba(255, 215, 0, 0.2);
            background: var(--clr-card-hover);
            transform: translateX(4px);
        }
        .news-section .news-item .news-icon {
            font-size: 1.5rem;
            color: var(--clr-primary);
            flex-shrink: 0;
            width: 40px;
            text-align: center;
        }
        .news-section .news-item .news-content {
            flex: 1;
        }
        .news-section .news-item .news-content h4 {
            font-size: 1rem;
            margin-bottom: 2px;
        }
        .news-section .news-item .news-content h4 a {
            color: var(--clr-text);
        }
        .news-section .news-item .news-content h4 a:hover {
            color: var(--clr-primary);
        }
        .news-section .news-item .news-content .date {
            font-size: 0.78rem;
            color: var(--clr-text-dim);
        }
        .news-section .news-item .news-tag {
            flex-shrink: 0;
            font-size: 0.72rem;
            padding: 4px 14px;
            border-radius: 50px;
            background: rgba(0, 212, 255, 0.1);
            color: var(--clr-secondary);
            border: 1px solid rgba(0, 212, 255, 0.15);
        }

        /* ===== Stats / Data ===== */
        .stats-section {
            background: var(--clr-bg);
            border-top: 1px solid var(--clr-border);
            border-bottom: 1px solid var(--clr-border);
        }
        .stats-section .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 24px;
            text-align: center;
        }
        .stats-section .stat-block {
            padding: 20px 10px;
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            transition: all var(--transition);
        }
        .stats-section .stat-block:hover {
            border-color: var(--clr-primary);
            box-shadow: var(--shadow-gold);
        }
        .stats-section .stat-block .stat-num {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--clr-primary);
            line-height: 1.2;
        }
        .stats-section .stat-block .stat-num .suffix {
            font-size: 1.2rem;
            color: var(--clr-text-dim);
        }
        .stats-section .stat-block .stat-label {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            margin-top: 4px;
        }

        /* ===== FAQ ===== */
        .faq-section .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: grid;
            gap: 12px;
        }
        .faq-section .faq-item {
            background: var(--clr-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition);
        }
        .faq-section .faq-item:hover {
            border-color: rgba(0, 212, 255, 0.15);
        }
        .faq-section .faq-item .faq-q {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: background var(--transition);
            user-select: none;
        }
        .faq-section .faq-item .faq-q:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-section .faq-item .faq-q i {
            color: var(--clr-primary);
            font-size: 0.85rem;
            transition: transform var(--transition);
            flex-shrink: 0;
        }
        .faq-section .faq-item.active .faq-q i {
            transform: rotate(180deg);
        }
        .faq-section .faq-item .faq-a {
            padding: 0 24px 18px 24px;
            font-size: 0.92rem;
            color: var(--clr-text-dim);
            display: none;
            line-height: 1.7;
        }
        .faq-section .faq-item.active .faq-a {
            display: block;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(165deg, #0d0d24, #14142a);
            border-top: 1px solid var(--clr-border);
            text-align: center;
            padding: 70px 0;
        }
        .cta-section h2 {
            font-size: clamp(1.6rem, 3.6vw, 2.4rem);
            margin-bottom: 0.3em;
        }
        .cta-section p {
            max-width: 580px;
            margin: 0 auto 2em auto;
            color: var(--clr-text-dim);
        }
        .cta-section .cta-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            justify-content: center;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #08081a;
            border-top: 1px solid var(--clr-border);
            padding: 60px 0 30px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.5fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .site-footer .footer-brand .site-logo {
            margin-bottom: 14px;
        }
        .site-footer .footer-brand p {
            font-size: 0.88rem;
            color: var(--clr-text-dim);
            max-width: 320px;
        }
        .site-footer .footer-col h4 {
            font-size: 0.95rem;
            color: var(--clr-text);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 10px;
        }
        .site-footer .footer-col ul li a {
            color: var(--clr-text-dim);
            font-size: 0.88rem;
            transition: color var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--clr-primary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding-top: 24px;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--clr-text-dim);
        }
        .site-footer .footer-bottom a {
            color: var(--clr-secondary);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--clr-primary);
        }

        /* ===== Foundation Overrides ===== */
        .grid-container {
            max-width: var(--container-max);
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .hero-sports .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
                text-align: center;
            }
            .hero-sports p {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-sports .hero-actions {
                justify-content: center;
            }
            .hero-sports .hero-visual .hero-card-grid {
                margin: 0 auto;
            }
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --nav-height: 64px;
            }

            .nav-list {
                display: none;
                flex-direction: column;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(10, 10, 26, 0.98);
                backdrop-filter: blur(20px);
                border-bottom: 1px solid var(--clr-border);
                padding: 16px 24px;
                gap: 4px;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-list>li>a {
                padding: 12px 16px;
                width: 100%;
                border-radius: var(--radius-sm);
            }
            .nav-list .nav-cta {
                margin-top: 8px;
            }
            .nav-list .nav-cta a {
                width: 100%;
                justify-content: center;
            }
            .nav-toggle {
                display: block;
            }

            .hero-sports {
                padding: calc(var(--nav-height) + 40px) 0 50px 0;
            }
            .hero-sports .hero-visual .hero-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
                max-width: 360px;
            }
            .hero-sports .hero-visual .stat-card {
                padding: 16px 12px;
            }
            .hero-sports .hero-visual .stat-card .num {
                font-size: 1.4rem;
            }

            .section-pad {
                padding: 50px 0;
            }
            .section-pad-sm {
                padding: 30px 0;
            }

            .sports-categories .cat-grid {
                grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
                gap: 14px;
            }
            .sports-categories .cat-card {
                padding: 20px 12px 18px;
            }
            .sports-categories .cat-card .icon-wrap {
                font-size: 1.6rem;
                margin-bottom: 10px;
            }

            .featured-events .events-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .news-section .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 16px 18px;
            }
            .news-section .news-item .news-icon {
                display: none;
            }
            .news-section .news-item .news-tag {
                align-self: flex-start;
            }

            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .stats-section .stat-block .stat-num {
                font-size: 1.6rem;
            }

            .faq-section .faq-item .faq-q {
                padding: 14px 18px;
                font-size: 0.92rem;
            }
            .faq-section .faq-item .faq-a {
                padding: 0 18px 14px 18px;
                font-size: 0.88rem;
            }

            .cta-section {
                padding: 50px 0;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-sports .hero-visual .hero-card-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
                max-width: 300px;
            }
            .hero-sports .hero-visual .stat-card {
                padding: 12px 8px;
            }
            .hero-sports .hero-visual .stat-card .num {
                font-size: 1.2rem;
            }
            .hero-sports .hero-visual .stat-card .label {
                font-size: 0.7rem;
            }
            .sports-categories .cat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .sports-categories .cat-card {
                padding: 16px 8px 14px;
            }
            .sports-categories .cat-card .icon-wrap {
                font-size: 1.4rem;
                margin-bottom: 8px;
            }
            .sports-categories .cat-card h3 {
                font-size: 0.9rem;
            }
            .stats-section .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .stats-section .stat-block {
                padding: 14px 8px;
            }
            .stats-section .stat-block .stat-num {
                font-size: 1.3rem;
            }
            .btn {
                padding: 10px 22px;
                font-size: 0.88rem;
            }
            .btn-lg {
                padding: 14px 28px;
                font-size: 0.95rem;
            }
        }

        /* ===== Accessibility ===== */
        @media (prefers-reduced-motion: reduce) {
            *,
            *::before,
            *::after {
                animation-duration: 0.01ms !important;
                transition-duration: 0.01ms !important;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--clr-bg);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--clr-border);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--clr-border-light);
        }

        /* ===== Utility ===== */
        .text-center {
            text-align: center;
        }
        .mt-1 {
            margin-top: 1em;
        }
        .mt-2 {
            margin-top: 2em;
        }
        .mb-1 {
            margin-bottom: 1em;
        }
        .mb-2 {
            margin-bottom: 2em;
        }
        .gap-1 {
            gap: 1em;
        }
        .flex-center {
            display: flex;
            align-items: center;
            justify-content: center;
        }

/* roulang page: category2 */
/* ===== Design Variables ===== */
        :root {
            --clr-primary: #f0c040;
            --clr-primary-glow: rgba(240, 192, 64, 0.35);
            --clr-primary-dim: #b8931e;
            --clr-secondary: #ff6a5c;
            --clr-bg: #0b0d0f;
            --clr-bg-alt: #13161a;
            --clr-bg-card: #1a1e24;
            --clr-bg-elevated: #222830;
            --clr-text: #eaeef2;
            --clr-text-dim: #8a929e;
            --clr-text-muted: #5c6570;
            --clr-border: #2c343e;
            --clr-border-light: #3c4654;
            --radius-sm: 6px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --shadow-card: 0 8px 30px rgba(0, 0, 0, 0.5);
            --shadow-glow: 0 0 30px var(--clr-primary-glow);
            --transition: all 0.25s ease;
            --font-sans: 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', Roboto, sans-serif;
            --max-width: 1200px;
            --header-h: 72px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }

        body {
            font-family: var(--font-sans);
            background: var(--clr-bg);
            color: var(--clr-text);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        a {
            color: var(--clr-primary);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover,
        a:focus-visible {
            color: #f5d870;
        }
        a:focus-visible {
            outline: 2px solid var(--clr-primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

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

        /* ===== Header / Nav (Dark Neon) ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: var(--header-h);
            background: rgba(11, 13, 15, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--clr-border);
            z-index: 1000;
            transition: var(--transition);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
        }

        .site-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--clr-text);
            letter-spacing: 0.5px;
            transition: var(--transition);
        }
        .site-logo:hover {
            color: var(--clr-primary);
        }
        .site-logo .logo-icon {
            font-size: 1.8rem;
            color: var(--clr-primary);
            filter: drop-shadow(0 0 8px var(--clr-primary-glow));
        }
        .site-logo .logo-text {
            background: linear-gradient(135deg, var(--clr-primary), #f5d870);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        /* Navigation */
        .nav-list {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .nav-list li a {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--clr-text-dim);
            transition: var(--transition);
            position: relative;
            white-space: nowrap;
        }
        .nav-list li a i {
            font-size: 0.9rem;
        }

        .nav-list li a:hover,
        .nav-list li a:focus-visible {
            color: var(--clr-text);
            background: rgba(240, 192, 64, 0.08);
        }

        .nav-list li a.active {
            color: var(--clr-primary);
            background: rgba(240, 192, 64, 0.12);
            box-shadow: inset 0 -2px 0 var(--clr-primary), 0 0 16px var(--clr-primary-glow);
        }
        .nav-list li a.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 40%;
            height: 2px;
            background: var(--clr-primary);
            box-shadow: 0 0 12px var(--clr-primary-glow);
            border-radius: 2px;
        }

        .nav-list li.nav-cta a {
            background: var(--clr-primary);
            color: #0b0d0f;
            font-weight: 600;
            padding: 8px 22px;
            border-radius: var(--radius-sm);
            box-shadow: 0 0 20px var(--clr-primary-glow);
            transition: var(--transition);
        }
        .nav-list li.nav-cta a:hover {
            background: #f5d870;
            box-shadow: 0 0 32px var(--clr-primary-glow);
            transform: translateY(-1px);
        }

        /* Mobile menu toggle */
        .menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--clr-border);
            color: var(--clr-text);
            font-size: 1.4rem;
            padding: 6px 12px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            transition: var(--transition);
        }
        .menu-toggle:hover {
            border-color: var(--clr-primary);
            color: var(--clr-primary);
        }

        /* ===== Hero (Page Banner) ===== */
        .page-hero {
            margin-top: var(--header-h);
            padding: 80px 0 60px;
            background: linear-gradient(160deg, #0b0d0f 0%, #13161a 50%, #0f1217 100%);
            border-bottom: 1px solid var(--clr-border);
            position: relative;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(240, 192, 64, 0.06) 0%, transparent 70%);
            pointer-events: none;
        }
        .page-hero .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .page-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--clr-text);
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .page-hero h1 span {
            background: linear-gradient(135deg, var(--clr-primary), #f5d870);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--clr-text-dim);
            max-width: 680px;
            margin: 0 auto 8px;
            line-height: 1.6;
        }
        .page-hero .hero-badge {
            display: inline-block;
            background: rgba(240, 192, 64, 0.12);
            color: var(--clr-primary);
            padding: 4px 18px;
            border-radius: 20px;
            font-size: 0.85rem;
            font-weight: 600;
            letter-spacing: 0.5px;
            border: 1px solid rgba(240, 192, 64, 0.2);
            margin-bottom: 20px;
        }

        /* ===== Section Common ===== */
        .section {
            padding: 70px 0;
        }
        .section-alt {
            background: var(--clr-bg-alt);
        }
        .section-title {
            font-size: 2rem;
            font-weight: 700;
            text-align: center;
            margin-bottom: 12px;
            color: var(--clr-text);
        }
        .section-subtitle {
            text-align: center;
            color: var(--clr-text-dim);
            font-size: 1.05rem;
            max-width: 600px;
            margin: 0 auto 48px;
        }
        .section-title span {
            background: linear-gradient(135deg, var(--clr-primary), #f5d870);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-divider {
            width: 60px;
            height: 3px;
            background: var(--clr-primary);
            border-radius: 2px;
            margin: 0 auto 36px;
            box-shadow: 0 0 20px var(--clr-primary-glow);
        }

        /* ===== Cards ===== */
        .card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .card:hover {
            border-color: var(--clr-border-light);
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
        }
        .card .card-icon {
            font-size: 2rem;
            color: var(--clr-primary);
            margin-bottom: 14px;
            filter: drop-shadow(0 0 8px var(--clr-primary-glow));
        }
        .card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            margin-bottom: 8px;
            color: var(--clr-text);
        }
        .card p {
            color: var(--clr-text-dim);
            font-size: 0.95rem;
            line-height: 1.6;
        }
        .card .card-tag {
            display: inline-block;
            background: rgba(240, 192, 64, 0.1);
            color: var(--clr-primary);
            padding: 2px 12px;
            border-radius: 12px;
            font-size: 0.75rem;
            font-weight: 600;
            margin-top: 12px;
            border: 1px solid rgba(240, 192, 64, 0.15);
        }

        /* ===== Guide Steps ===== */
        .step-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 28px;
            counter-reset: step;
        }
        .step-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 32px 24px 24px;
            text-align: center;
            position: relative;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .step-item:hover {
            border-color: var(--clr-border-light);
            transform: translateY(-2px);
        }
        .step-item::before {
            counter-increment: step;
            content: counter(step);
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--clr-primary);
            color: #0b0d0f;
            font-weight: 800;
            font-size: 1rem;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 20px var(--clr-primary-glow);
        }
        .step-item h4 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--clr-text);
            margin: 12px 0 8px;
        }
        .step-item p {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            line-height: 1.6;
        }
        .step-item .step-icon {
            font-size: 1.8rem;
            color: var(--clr-primary);
            margin-bottom: 4px;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 18px 24px;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--clr-border-light);
        }
        .faq-item summary {
            font-weight: 600;
            font-size: 1rem;
            color: var(--clr-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            gap: 12px;
            user-select: none;
        }
        .faq-item summary i {
            color: var(--clr-primary);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .faq-item[open] summary i {
            transform: rotate(90deg);
        }
        .faq-item .faq-answer {
            margin-top: 12px;
            padding-top: 12px;
            border-top: 1px solid var(--clr-border);
            color: var(--clr-text-dim);
            font-size: 0.95rem;
            line-height: 1.7;
        }

        /* ===== CTA ===== */
        .cta-block {
            background: linear-gradient(145deg, #1a1e24, #13161a);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-lg);
            padding: 56px 40px;
            text-align: center;
            box-shadow: var(--shadow-card);
        }
        .cta-block h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--clr-text);
            margin-bottom: 12px;
        }
        .cta-block p {
            color: var(--clr-text-dim);
            font-size: 1.05rem;
            max-width: 560px;
            margin: 0 auto 28px;
        }
        .cta-block .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: var(--clr-primary);
            color: #0b0d0f;
            font-weight: 700;
            font-size: 1.05rem;
            padding: 14px 40px;
            border-radius: var(--radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--transition);
            box-shadow: 0 0 24px var(--clr-primary-glow);
        }
        .cta-block .btn-cta:hover {
            background: #f5d870;
            box-shadow: 0 0 44px var(--clr-primary-glow);
            transform: translateY(-2px);
        }

        /* ===== Tips Grid ===== */
        .tips-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }
        .tip-card {
            background: var(--clr-bg-card);
            border: 1px solid var(--clr-border);
            border-radius: var(--radius-md);
            padding: 24px 22px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: var(--transition);
            box-shadow: var(--shadow-card);
        }
        .tip-card:hover {
            border-color: var(--clr-border-light);
            transform: translateY(-2px);
        }
        .tip-card .tip-icon {
            font-size: 1.5rem;
            color: var(--clr-primary);
            flex-shrink: 0;
            margin-top: 2px;
            filter: drop-shadow(0 0 6px var(--clr-primary-glow));
        }
        .tip-card .tip-content h4 {
            font-size: 1.05rem;
            font-weight: 600;
            color: var(--clr-text);
            margin-bottom: 4px;
        }
        .tip-card .tip-content p {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            line-height: 1.6;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #080a0c;
            border-top: 1px solid var(--clr-border);
            padding: 56px 0 28px;
        }
        .site-footer .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.3fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .site-footer .footer-brand .site-logo {
            margin-bottom: 12px;
        }
        .site-footer .footer-brand p {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 300px;
        }
        .site-footer .footer-col h4 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--clr-text);
            margin-bottom: 14px;
            letter-spacing: 0.3px;
        }
        .site-footer .footer-col ul li {
            margin-bottom: 8px;
        }
        .site-footer .footer-col ul li a {
            color: var(--clr-text-dim);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        .site-footer .footer-col ul li a:hover {
            color: var(--clr-primary);
        }
        .site-footer .footer-bottom {
            border-top: 1px solid var(--clr-border);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.85rem;
            color: var(--clr-text-muted);
        }
        .site-footer .footer-bottom a {
            color: var(--clr-text-dim);
        }
        .site-footer .footer-bottom a:hover {
            color: var(--clr-primary);
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .site-footer .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 30px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            :root {
                --header-h: 64px;
            }

            .menu-toggle {
                display: block;
            }

            .nav-list {
                position: fixed;
                top: var(--header-h);
                left: 0;
                width: 100%;
                background: rgba(11, 13, 15, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                flex-direction: column;
                padding: 20px 24px 28px;
                gap: 6px;
                border-bottom: 1px solid var(--clr-border);
                transform: translateY(-110%);
                opacity: 0;
                pointer-events: none;
                transition: var(--transition);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.6);
            }
            .nav-list.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }
            .nav-list li a {
                padding: 12px 16px;
                font-size: 1rem;
                width: 100%;
                justify-content: flex-start;
            }
            .nav-list li.nav-cta a {
                margin-top: 8px;
                justify-content: center;
            }
            .nav-list li a.active::after {
                width: 20%;
            }

            .page-hero {
                padding: 60px 0 40px;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero p {
                font-size: 1rem;
            }

            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .section-subtitle {
                font-size: 0.95rem;
                margin-bottom: 32px;
            }

            .step-list {
                grid-template-columns: 1fr 1fr;
                gap: 20px;
            }
            .tips-grid {
                grid-template-columns: 1fr;
            }
            .cta-block {
                padding: 36px 24px;
            }
            .cta-block h2 {
                font-size: 1.5rem;
            }

            .site-footer .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .site-footer .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .page-hero h1 {
                font-size: 1.5rem;
            }
            .step-list {
                grid-template-columns: 1fr;
            }
            .card {
                padding: 20px 16px;
            }
            .faq-item {
                padding: 14px 16px;
            }
            .cta-block .btn-cta {
                width: 100%;
                justify-content: center;
            }
        }