/* roulang page: index */
:root {
    --bg-primary: #0A2E1C;
    --bg-secondary: #123E25;
    --accent-gold: #FFD700;
    --accent-red: #D32F2F;
    --text-light: #FFFFFF;
    --text-mint: #D1F2EB;
    --text-dark: #1A1A1A;
    --border-gold: #B88A00;
    --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.3);
    --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
    --radius-lg: 16px;
    --radius-md: 12px;
    --radius-sm: 8px;
    --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  }
  *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
  body {
    font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
    background-color: var(--bg-primary);
    color: var(--text-light);
    line-height: 1.6;
    overflow-x: hidden;
  }
  img { max-width: 100%; height: auto; display: block; }
  a { text-decoration: none; color: inherit; transition: var(--transition); }
  .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
  /* Header & Navigation */
  .site-header {
    position: fixed; top: 0; left: 0; right: 0; z-index: 100;
    background: rgba(10, 46, 28, 0.92); backdrop-filter: blur(20px);
    border-bottom: 1px solid rgba(255, 215, 0, 0.15);
    transition: var(--transition);
  }
  .nav-container {
    display: flex; align-items: center; justify-content: space-between;
    height: 72px; padding: 0 24px; max-width: 1280px; margin: 0 auto;
  }
  .logo-text {
    font-size: 1.25rem; font-weight: 800; letter-spacing: 0.5px;
    background: linear-gradient(135deg, #FFD700 0%, #FFA500 100%);
    -webkit-background-clip: text; -webkit-text-fill-color: transparent;
    background-clip: text; white-space: nowrap;
  }
  .nav-links { display: flex; align-items: center; gap: 32px; }
  .nav-links a {
    font-size: 0.95rem; font-weight: 600; color: var(--text-mint);
    position: relative; padding: 8px 0; white-space: nowrap;
  }
  .nav-links a:hover, .nav-links a.active { color: var(--accent-gold); }
  .nav-links a::after {
    content: ''; position: absolute; bottom: 0; left: 0; width: 0; height: 2px;
    background: var(--accent-gold); transition: width 0.3s ease;
  }
  .nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
  .nav-actions { display: flex; align-items: center; gap: 12px; }
  .btn-login {
    padding: 8px 20px; border: 1px solid var(--accent-gold); border-radius: 50px;
    color: var(--accent-gold); font-weight: 600; font-size: 0.9rem;
    background: transparent; cursor: pointer; transition: var(--transition);
  }
  .btn-login:hover { background: rgba(255, 215, 0, 0.1); }
  .btn-signup {
    padding: 10px 24px; background: linear-gradient(135deg, #FFD700 0%, #FF8F00 100%);
    border-radius: 50px; color: #1A1A1A; font-weight: 700; font-size: 0.9rem;
    border: none; cursor: pointer; transition: var(--transition); box-shadow: 0 4px 15px rgba(255, 215, 0, 0.35);
  }
  .btn-signup:hover { transform: translateY(-2px); box-shadow: 0 6px 25px rgba(255, 215, 0, 0.5); }
  .mobile-toggle { display: none; background: none; border: none; color: var(--accent-gold); font-size: 1.8rem; cursor: pointer; }
  /* Hero Section */
  .hero-section {
    position: relative; min-height: 85vh; display: flex; align-items: center;
    background: linear-gradient(180deg, #0A2E1C 0%, #123E25 100%);
    background-image: url('/assets/images/backpic/back-1.png');
    background-size: cover; background-position: center; background-blend-mode: overlay;
    padding-top: 72px;
  }
  .hero-overlay {
    position: absolute; inset: 0;
    background: radial-gradient(ellipse at center, rgba(10,46,28,0.4) 0%, rgba(10,46,28,0.9) 100%);
  }
  .hero-content { position: relative; z-index: 2; max-width: 1280px; margin: 0 auto; padding: 0 24px; width: 100%; }
  .hero-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
  .hero-badge {
    display: inline-flex; align-items: center; gap: 8px; background: rgba(211, 47, 47, 0.9);
    padding: 8px 20px; border-radius: 50px; font-size: 0.85rem; font-weight: 700;
    margin-bottom: 24px; border: 1px solid rgba(255, 215, 0, 0.4);
  }
  .hero-badge i { color: var(--accent-gold); }
  .hero-title {
    font-size: clamp(2.2rem, 5vw, 3.6rem); font-weight: 800; line-height: 1.2;
    margin-bottom: 20px; color: #FFFFFF;
  }
  .hero-title span { color: var(--accent-gold); }
  .hero-desc {
    font-size: 1.1rem; color: var(--text-mint); line-height: 1.8;
    margin-bottom: 32px; max-width: 540px;
  }
  .hero-cta-group { display: flex; flex-wrap: wrap; gap: 16px; margin-bottom: 40px; }
  .btn-primary {
    padding: 14px 36px; background: linear-gradient(135deg, #FFD700 0%, #FF8F00 100%);
    border-radius: 50px; color: #1A1A1A; font-weight: 700; font-size: 1.05rem;
    border: none; cursor: pointer; box-shadow: 0 8px 30px rgba(255, 215, 0, 0.4);
    transition: var(--transition); display: inline-flex; align-items: center; gap: 8px;
  }
  .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 12px 40px rgba(255, 215, 0, 0.55); }
  .btn-secondary {
    padding: 14px 36px; background: transparent; border: 2px solid var(--accent-gold);
    border-radius: 50px; color: var(--accent-gold); font-weight: 700; font-size: 1.05rem;
    cursor: pointer; transition: var(--transition);
  }
  .btn-secondary:hover { background: rgba(255, 215, 0, 0.1); }
  .hero-stats { display: flex; gap: 40px; }
  .hero-stat-item { text-align: left; }
  .hero-stat-value { font-size: 2rem; font-weight: 800; color: var(--accent-gold); }
  .hero-stat-label { font-size: 0.85rem; color: var(--text-mint); }
  .hero-visual {
    position: relative; display: flex; justify-content: center; align-items: center;
  }
  .countdown-box {
    background: rgba(0,0,0,0.6); backdrop-filter: blur(12px); border: 1px solid var(--border-gold);
    border-radius: var(--radius-lg); padding: 32px; text-align: center;
    box-shadow: var(--shadow-card);
  }
  .countdown-title { font-size: 1.1rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 20px; }
  .countdown-timer { display: flex; gap: 16px; justify-content: center; }
  .countdown-unit {
    background: var(--bg-secondary); border-radius: var(--radius-sm); padding: 16px 20px;
    min-width: 70px; border: 1px solid rgba(255,215,0,0.3);
  }
  .countdown-num { font-size: 2rem; font-weight: 800; color: #FFFFFF; }
  .countdown-label { font-size: 0.75rem; color: var(--text-mint); text-transform: uppercase; }
  .subscribe-input-group { display: flex; gap: 8px; margin-top: 20px; }
  .subscribe-input {
    flex: 1; padding: 12px 16px; border-radius: 50px; border: 1px solid var(--border-gold);
    background: rgba(255,255,255,0.1); color: #FFF; outline: none; font-size: 0.9rem;
  }
  .subscribe-input::placeholder { color: rgba(255,255,255,0.5); }
  /* Sections General */
  .section { padding: 80px 0; }
  .section-header { margin-bottom: 48px; }
  .section-label {
    display: inline-block; font-size: 0.8rem; font-weight: 700; text-transform: uppercase;
    letter-spacing: 2px; color: var(--accent-gold); margin-bottom: 12px;
  }
  .section-title { font-size: clamp(1.8rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 16px; }
  .section-desc { font-size: 1.05rem; color: var(--text-mint); line-height: 1.7; max-width: 700px; }
  /* News Section */
  .news-grid { display: grid; grid-template-columns: 1.5fr 1fr; gap: 40px; }
  .news-list { display: flex; flex-direction: column; gap: 16px; }
  .news-item {
    display: flex; gap: 16px; padding: 20px; background: rgba(255,255,255,0.03);
    border-radius: var(--radius-md); border: 1px solid rgba(255,215,0,0.1);
    transition: var(--transition); cursor: pointer;
  }
  .news-item:hover { border-color: var(--accent-gold); background: rgba(255,215,0,0.05); }
  .news-thumb {
    width: 80px; height: 80px; border-radius: var(--radius-sm); flex-shrink: 0;
    object-fit: cover; background: var(--bg-secondary);
  }
  .news-info { flex: 1; }
  .news-title-link { font-size: 1.05rem; font-weight: 700; color: #FFF; margin-bottom: 8px; display: block; }
  .news-title-link:hover { color: var(--accent-gold); }
  .news-excerpt { font-size: 0.85rem; color: var(--text-mint); line-height: 1.5; margin-bottom: 8px; }
  .news-meta { font-size: 0.75rem; color: rgba(255,255,255,0.5); }
  .news-sidebar {
    background: rgba(255,255,255,0.02); border: 1px solid rgba(255,215,0,0.1);
    border-radius: var(--radius-lg); padding: 28px;
  }
  .sidebar-title { font-size: 1.2rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 20px; }
  .sidebar-item {
    display: flex; align-items: center; gap: 12px; padding: 12px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }
  .sidebar-item:last-child { border-bottom: none; }
  .sidebar-dot { width: 6px; height: 6px; border-radius: 50%; background: var(--accent-gold); flex-shrink: 0; }
  .sidebar-link { font-size: 0.9rem; color: var(--text-mint); transition: var(--transition); }
  .sidebar-link:hover { color: var(--accent-gold); }
  /* Services Section */
  .services-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .service-card {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,215,0,0.15);
    border-radius: var(--radius-lg); padding: 36px 28px; transition: var(--transition);
    position: relative; overflow: hidden;
  }
  .service-card::before {
    content: ''; position: absolute; top: 0; left: 0; right: 0; height: 3px;
    background: linear-gradient(90deg, #FFD700, #FF8F00); opacity: 0; transition: var(--transition);
  }
  .service-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-card); border-color: var(--border-gold); }
  .service-card:hover::before { opacity: 1; }
  .service-icon {
    width: 56px; height: 56px; border-radius: 50%; background: rgba(255,215,0,0.1);
    display: flex; align-items: center; justify-content: center; margin-bottom: 20px;
    font-size: 1.5rem; color: var(--accent-gold);
  }
  .service-card h3 { font-size: 1.2rem; font-weight: 700; margin-bottom: 12px; }
  .service-card p { font-size: 0.9rem; color: var(--text-mint); line-height: 1.6; }
  .service-cta { margin-top: 20px; display: inline-flex; align-items: center; gap: 6px; color: var(--accent-gold); font-weight: 600; font-size: 0.9rem; }
  .service-cta:hover { gap: 12px; }
  /* App Section */
  .app-section-bg { background: var(--bg-secondary); border-radius: var(--radius-lg); padding: 60px 40px; }
  .app-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
  .app-features { display: flex; flex-direction: column; gap: 20px; }
  .app-feature-item { display: flex; gap: 16px; align-items: flex-start; }
  .app-feature-icon { font-size: 1.3rem; color: var(--accent-gold); margin-top: 2px; }
  .app-feature-text h4 { font-weight: 700; margin-bottom: 4px; }
  .app-feature-text p { font-size: 0.85rem; color: var(--text-mint); }
  .app-download-btns { display: flex; gap: 16px; margin-top: 24px; flex-wrap: wrap; }
  .btn-download {
    display: inline-flex; align-items: center; gap: 8px; padding: 12px 24px;
    background: #000; border: 1px solid rgba(255,255,255,0.2); border-radius: 50px;
    color: #FFF; font-weight: 600; transition: var(--transition);
  }
  .btn-download:hover { border-color: var(--accent-gold); background: #1a1a1a; }
  .app-screenshots {
    display: flex; gap: 16px; justify-content: center;
  }
  .app-screenshot {
    width: 160px; height: 320px; border-radius: var(--radius-lg); object-fit: cover;
    border: 2px solid rgba(255,215,0,0.3); box-shadow: var(--shadow-card);
  }
  /* FAQ Section */
  .faq-list { display: flex; flex-direction: column; gap: 16px; max-width: 800px; }
  .faq-item {
    background: rgba(255,255,255,0.03); border: 1px solid rgba(255,215,0,0.1);
    border-radius: var(--radius-md); overflow: hidden; transition: var(--transition);
  }
  .faq-question {
    width: 100%; padding: 20px 24px; background: none; border: none;
    color: #FFF; font-size: 1.05rem; font-weight: 600; text-align: left;
    cursor: pointer; display: flex; justify-content: space-between; align-items: center;
  }
  .faq-answer {
    padding: 0 24px 20px; font-size: 0.95rem; color: var(--text-mint); line-height: 1.7;
    display: none;
  }
  .faq-item.active .faq-answer { display: block; }
  .faq-item.active { border-color: var(--border-gold); background: rgba(255,215,0,0.05); }
  .faq-icon { transition: transform 0.3s; color: var(--accent-gold); }
  .faq-item.active .faq-icon { transform: rotate(45deg); }
  /* About Section */
  .about-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 50px; align-items: center; }
  .about-image { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
  .about-image img { width: 100%; height: auto; object-fit: cover; }
  .about-text h3 { font-size: 1.3rem; font-weight: 700; margin-bottom: 12px; }
  .check-list { list-style: none; margin-top: 20px; display: flex; flex-direction: column; gap: 12px; }
  .check-list li {
    display: flex; align-items: center; gap: 10px; font-size: 0.95rem; color: var(--text-mint);
  }
  .check-list i { color: var(--accent-gold); }
  /* Campaign Section */
  .campaign-banner {
    background: linear-gradient(135deg, #8B0000 0%, #4A0007 100%);
    border-radius: var(--radius-lg); padding: 48px; position: relative; overflow: hidden;
    border: 1px solid rgba(255,215,0,0.3);
  }
  .campaign-banner::after {
    content: ''; position: absolute; top: -50%; right: -10%; width: 300px; height: 300px;
    background: radial-gradient(circle, rgba(255,215,0,0.15) 0%, transparent 70%);
  }
  .campaign-content { position: relative; z-index: 1; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 24px; }
  .campaign-text h2 { font-size: 2rem; font-weight: 800; color: var(--accent-gold); margin-bottom: 12px; }
  .campaign-text p { font-size: 1rem; color: #FFF; }
  .campaign-gifts { display: flex; gap: 20px; flex-wrap: wrap; }
  .gift-item {
    background: rgba(0,0,0,0.4); border: 1px solid rgba(255,215,0,0.4);
    border-radius: var(--radius-sm); padding: 16px 20px; text-align: center; min-width: 100px;
  }
  .gift-value { font-size: 1.3rem; font-weight: 800; color: var(--accent-gold); }
  .gift-label { font-size: 0.75rem; color: var(--text-mint); }
  /* Steps Section */
  .steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
  .step-card {
    text-align: left; padding: 32px 24px; background: rgba(255,255,255,0.03);
    border-radius: var(--radius-lg); border: 1px solid rgba(255,215,0,0.12);
    transition: var(--transition);
  }
  .step-card:hover { border-color: var(--border-gold); transform: translateY(-4px); }
  .step-number {
    font-size: 3rem; font-weight: 800; color: var(--accent-gold); opacity: 0.7; margin-bottom: 8px;
  }
  .step-card h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
  .step-card p { font-size: 0.9rem; color: var(--text-mint); }
  /* Footer */
  .site-footer {
    background: #061A10; border-top: 2px solid rgba(255,215,0,0.2);
    padding: 50px 0 30px;
  }
  .footer-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; }
  .footer-col h4 { font-size: 1.1rem; font-weight: 700; color: var(--accent-gold); margin-bottom: 20px; }
  .footer-col p, .footer-col a { font-size: 0.9rem; color: var(--text-mint); line-height: 2; }
  .footer-col a:hover { color: var(--accent-gold); }
  .footer-bottom {
    margin-top: 40px; padding-top: 24px; border-top: 1px solid rgba(255,255,255,0.08);
    text-align: center; font-size: 0.8rem; color: rgba(255,255,255,0.5);
    display: flex; justify-content: space-between; flex-wrap: wrap; gap: 16px;
  }
  .badge-18plus {
    display: inline-flex; align-items: center; gap: 6px; background: rgba(211,47,47,0.2);
    border: 1px solid var(--accent-red); padding: 6px 14px; border-radius: 50px;
    font-weight: 700; color: #FFF; font-size: 0.85rem;
  }
  /* FAB */
  .fab-left {
    position: fixed; left: 24px; bottom: 96px; z-index: 50;
    width: 56px; height: 56px; border-radius: 50%;
    background: radial-gradient(circle at 30% 30%, #1A1A1A, #0A0A0A);
    border: 2px solid #FFD700; box-shadow: 0 4px 20px rgba(255,215,0,0.3);
    display: flex; align-items: center; justify-content: center;
    cursor: pointer; opacity: 0.7; animation: floatFab 3s ease-in-out infinite;
    transition: var(--transition);
  }
  .fab-left:hover { opacity: 1; transform: scale(1.1); box-shadow: 0 6px 30px rgba(255,215,0,0.5); }
  .fab-left:active { transform: scale(0.95); }
  .fab-left i { font-size: 1.5rem; color: #FFD700; }
  .fab-notification {
    position: absolute; top: 4px; right: 4px; width: 12px; height: 12px;
    background: #D32F2F; border-radius: 50%; border: 2px solid #000;
    animation: blink 1.5s infinite;
  }
  @keyframes floatFab { 0%,100% { transform: translateY(0); } 50% { transform: translateY(-8px); } }
  @keyframes blink { 0%,100% { opacity:1; } 50% { opacity:0.3; } }
  /* Responsive */
  @media (max-width: 1024px) {
    .hero-grid { grid-template-columns: 1fr; gap: 40px; }
    .hero-visual { order: -1; }
    .services-grid { grid-template-columns: repeat(2, 1fr); }
    .news-grid { grid-template-columns: 1fr; }
    .app-grid { grid-template-columns: 1fr; }
    .about-grid { grid-template-columns: 1fr; }
    .footer-grid { grid-template-columns: repeat(2, 1fr); }
  }
  @media (max-width: 768px) {
    .nav-links { display: none; position: absolute; top: 72px; left: 0; right: 0;
      background: rgba(10,46,28,0.98); flex-direction: column; padding: 24px; gap: 16px; border-bottom: 1px solid rgba(255,215,0,0.2); }
    .nav-links.mobile-open { display: flex; }
    .mobile-toggle { display: block; }
    .nav-actions { gap: 8px; }
    .btn-login, .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
    .services-grid { grid-template-columns: 1fr; }
    .steps-grid { grid-template-columns: 1fr; }
    .campaign-content { flex-direction: column; text-align: left; }
    .hero-stats { flex-wrap: wrap; gap: 20px; }
    .section { padding: 60px 0; }
    .footer-grid { grid-template-columns: 1fr; }
    .hero-title { font-size: 1.8rem; }
    .countdown-timer { gap: 8px; }
    .countdown-unit { min-width: 55px; padding: 12px 14px; }
    .countdown-num { font-size: 1.5rem; }
  }
  @media (max-width: 520px) {
    .container { padding: 0 16px; }
    .hero-cta-group { flex-direction: column; }
    .btn-primary, .btn-secondary { width: 100%; text-align: center; justify-content: center; }
    .app-screenshots { flex-direction: column; align-items: center; }
    .app-screenshot { width: 140px; height: 280px; }
  }

/* roulang page: article */
/* ===== DESIGN TOKENS - Style E: Tet Festival Red & Imperial Gold ===== */
        :root {
            --crimson-deep: #8B0000;
            --wine-dark: #4A0007;
            --pure-gold: #FFD700;
            --warm-amber: #FF9F00;
            --warm-white: #FFFDF9;
            --gold-light: #FEF08A;
            --soft-black: #1C0105;
            --text-muted: #D4A373;
            --border-gold-dim: rgba(255, 215, 0, 0.25);
            --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.2);
            --radius-card: 16px;
            --radius-btn: 50px;
            --font-body: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            --transition-smooth: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        * { box-sizing: border-box; margin: 0; padding: 0; }
        body {
            font-family: var(--font-body);
            background: linear-gradient(175deg, var(--wine-dark) 0%, var(--crimson-deep) 50%, #2E0107 100%);
            color: var(--warm-white);
            line-height: 1.6;
            overflow-x: hidden;
            min-height: 100vh;
        }
        img { max-width: 100%; height: auto; display: block; }
        a { text-decoration: none; color: inherit; transition: var(--transition-smooth); }
        .container { max-width: 1280px; margin: 0 auto; padding: 0 24px; }
        /* Navigation */
        .site-header {
            background: rgba(10, 0, 2, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-gold-dim);
            position: sticky;
            top: 0;
            z-index: 100;
            box-shadow: 0 8px 24px rgba(0,0,0,0.6);
        }
        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            padding: 12px 28px;
            max-width: 1360px;
            margin: 0 auto;
        }
        .logo-text {
            font-size: 1.35rem;
            font-weight: 800;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, var(--pure-gold), var(--warm-amber));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }
        .nav-links { display: flex; align-items: center; gap: 36px; }
        .nav-links a {
            font-weight: 600;
            font-size: 0.95rem;
            color: var(--warm-white);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            opacity: 0.85;
        }
        .nav-links a.active { color: var(--pure-gold); opacity: 1; }
        .nav-links a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--pure-gold);
            border-radius: 2px;
        }
        .nav-actions { display: flex; align-items: center; gap: 10px; }
        .btn-login {
            background: transparent;
            border: 1px solid rgba(255,255,255,0.5);
            color: var(--warm-white);
            padding: 8px 20px;
            border-radius: var(--radius-btn);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition-smooth);
        }
        .btn-login:hover { border-color: var(--pure-gold); color: var(--pure-gold); }
        .btn-signup {
            background: linear-gradient(135deg, var(--pure-gold), var(--warm-amber));
            border: none;
            color: #1C0105;
            padding: 9px 24px;
            border-radius: var(--radius-btn);
            font-weight: 700;
            cursor: pointer;
            box-shadow: 0 6px 18px rgba(255, 215, 0, 0.35);
            transition: var(--transition-smooth);
        }
        .btn-signup:hover { transform: translateY(-1px); box-shadow: 0 10px 22px rgba(255, 215, 0, 0.5); }
        .mobile-toggle { background: none; border: none; color: var(--warm-white); font-size: 1.6rem; cursor: pointer; display: none; }
        @media (max-width: 1024px) {
            .nav-links { gap: 20px; }
            .logo-text { font-size: 1.1rem; }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 65px;
                left: 0;
                width: 100%;
                background: rgba(10, 0, 2, 0.96);
                padding: 20px;
                gap: 18px;
                border-top: 1px solid var(--border-gold-dim);
            }
            .nav-links.show { display: flex; }
            .mobile-toggle { display: block; }
            .nav-actions { gap: 6px; }
            .btn-login, .btn-signup { padding: 7px 16px; font-size: 0.85rem; }
        }
        /* Hero Article Header */
        .article-hero {
            padding: 60px 0 40px;
            text-align: left;
            background: radial-gradient(ellipse at top left, rgba(255,215,0,0.08) 0%, transparent 60%);
        }
        .article-hero h1 {
            font-size: 2.7rem;
            font-weight: 800;
            color: var(--pure-gold);
            line-height: 1.25;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            color: var(--text-muted);
            font-size: 0.9rem;
            border-bottom: 1px solid var(--border-gold-dim);
            padding-bottom: 16px;
        }
        /* Content Layout */
        .article-body-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin-top: 30px;
            margin-bottom: 50px;
        }
        .article-main-content {
            max-width: 720px;
            background: rgba(0,0,0,0.2);
            backdrop-filter: blur(4px);
            padding: 32px 28px;
            border-radius: var(--radius-card);
            border: 1px solid var(--border-gold-dim);
        }
        .article-main-content h2 { color: var(--gold-light); font-size: 1.7rem; margin: 28px 0 12px; }
        .article-main-content p { margin-bottom: 16px; color: #F5E6D8; }
        .article-sidebar {
            display: flex;
            flex-direction: column;
            gap: 28px;
        }
        .sidebar-card {
            background: rgba(0,0,0,0.35);
            border: 1px solid var(--border-gold-dim);
            border-radius: var(--radius-card);
            padding: 22px;
        }
        .sidebar-card h3 { color: var(--pure-gold); margin-bottom: 12px; font-size: 1.2rem; }
        .sidebar-card ul { list-style: none; }
        .sidebar-card ul li { margin-bottom: 10px; }
        .sidebar-card ul li a { color: var(--warm-white); font-size: 0.9rem; opacity: 0.9; }
        .empty-state { text-align: center; padding: 60px 20px; }
        .not-found-link { color: var(--pure-gold); font-weight: 700; }
        /* Footer */
        .site-footer {
            background: #0B0002;
            border-top: 1px solid var(--border-gold-dim);
            padding: 48px 0 20px;
            margin-top: 40px;
        }
        .footer-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 36px; margin-bottom: 28px; }
        .footer-col h4 { color: var(--pure-gold); margin-bottom: 12px; }
        .footer-col p, .footer-col a { color: #D4A373; font-size: 0.9rem; display: block; margin-bottom: 6px; }
        .footer-bottom { display: flex; justify-content: space-between; align-items: center; border-top: 1px solid var(--border-gold-dim); padding-top: 18px; font-size: 0.8rem; color: #A68A6D; }
        .badge-18plus { background: #D32F2F; color: white; padding: 2px 8px; border-radius: 20px; font-weight: 700; }
        @media (max-width: 900px) {
            .article-body-wrapper { grid-template-columns: 1fr; }
            .article-hero h1 { font-size: 2rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --bg-card: #0E422A;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --accent-gold-dark: #E6B800;
            --text-primary: #FFFDF0;
            --text-secondary: #C5E2D2;
            --text-muted: #9ABDA8;
            --border-gold: rgba(255, 204, 0, 0.3);
            --border-lime: rgba(50, 205, 50, 0.4);
            --shadow-gold: 0 6px 24px rgba(255, 204, 0, 0.2);
            --shadow-lime: 0 6px 24px rgba(50, 205, 50, 0.25);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --font-heading: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --font-body: 'Segoe UI', 'Roboto', system-ui, sans-serif;
            --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        body {
            margin: 0;
            font-family: var(--font-body);
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

        button {
            cursor: pointer;
            font-family: var(--font-body);
            border: none;
            outline: none;
            transition: var(--transition-base);
        }

        button:focus-visible,
        a:focus-visible {
            outline: 2px solid var(--accent-gold);
            outline-offset: 3px;
            border-radius: var(--radius-sm);
        }

        .container {
            width: 100%;
            max-width: 1260px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 60, 37, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--border-gold);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.25);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            max-width: 1260px;
            margin: 0 auto;
            padding: 0 24px;
            height: 68px;
            gap: 20px;
        }

        .logo-text {
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            white-space: nowrap;
            letter-spacing: 0.3px;
            text-shadow: 0 2px 8px rgba(255, 204, 0, 0.35);
            transition: var(--transition-base);
        }

        .logo-text:hover {
            color: #FFDA4D;
            text-shadow: 0 4px 16px rgba(255, 204, 0, 0.5);
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            font-size: 0.95rem;
            font-weight: 600;
            color: var(--text-secondary);
            position: relative;
            padding: 6px 0;
            white-space: nowrap;
            letter-spacing: 0.2px;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2.5px;
            background: var(--accent-gold);
            border-radius: 2px;
            transition: width 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: var(--accent-gold);
        }

        .nav-links a.active::after,
        .nav-links a:hover::after {
            width: 100%;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .btn-login {
            background: transparent;
            color: var(--accent-gold);
            border: 1.5px solid var(--accent-gold);
            padding: 9px 20px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            background: rgba(255, 204, 0, 0.06);
            transition: var(--transition-base);
        }

        .btn-login:hover {
            background: rgba(255, 204, 0, 0.18);
            border-color: #FFDA4D;
            color: #FFDA4D;
            box-shadow: 0 0 14px rgba(255, 204, 0, 0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-lime) 100%);
            color: var(--bg-secondary);
            padding: 10px 22px;
            border-radius: 24px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            box-shadow: var(--shadow-lime);
            transition: var(--transition-base);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(50, 205, 50, 0.4);
            filter: brightness(1.1);
        }

        .btn-signup:active {
            transform: translateY(0);
            box-shadow: var(--shadow-lime);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            color: var(--accent-gold);
            font-size: 1.6rem;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .mobile-toggle:hover {
            background: rgba(255, 204, 0, 0.1);
        }

        .page-hero {
            position: relative;
            background: linear-gradient(160deg, #062315 0%, #0B3C25 40%, #0E422A 70%, #062315 100%);
            padding: 70px 0 60px;
            text-align: left;
            overflow: hidden;
            border-bottom: 2px solid var(--border-gold);
        }

        .page-hero::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 360px;
            height: 360px;
            background: radial-gradient(circle, rgba(255, 204, 0, 0.12) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -60px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(50, 205, 50, 0.1) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .page-hero h1 {
            font-family: var(--font-heading);
            font-size: 2.8rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 0 0 14px;
            line-height: 1.25;
            letter-spacing: -0.3px;
            text-shadow: 0 3px 18px rgba(255, 204, 0, 0.3);
        }

        .page-hero .hero-subtitle {
            font-size: 1.15rem;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 0 28px;
            line-height: 1.65;
        }

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

        .btn-hero-primary {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lime));
            color: var(--bg-secondary);
            padding: 14px 32px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            box-shadow: var(--shadow-gold);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 14px 32px rgba(255, 204, 0, 0.4);
            filter: brightness(1.08);
        }

        .btn-hero-secondary {
            background: transparent;
            color: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            padding: 13px 30px;
            border-radius: 32px;
            font-weight: 700;
            font-size: 1rem;
            letter-spacing: 0.4px;
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 204, 0, 0.1);
            border-color: #FFDA4D;
            color: #FFDA4D;
        }

        .section-promo-wall {
            padding: 60px 0;
            background: var(--bg-secondary);
        }

        .promo-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 28px;
            align-items: stretch;
        }

        .promo-card-featured {
            grid-column: span 1;
            background: linear-gradient(145deg, #0E422A, #115232);
            border: 2px solid var(--accent-gold);
            border-radius: var(--radius-lg);
            padding: 36px 28px;
            box-shadow: var(--shadow-gold);
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .promo-card-featured::before {
            content: 'HOT';
            position: absolute;
            top: 16px;
            right: -10px;
            background: #D32F2F;
            color: #FFF;
            font-size: 0.75rem;
            font-weight: 800;
            padding: 5px 22px;
            transform: rotate(12deg);
            letter-spacing: 1px;
            box-shadow: 0 3px 10px rgba(211, 47, 47, 0.5);
            z-index: 2;
        }

        .promo-card-featured:hover {
            transform: translateY(-5px);
            box-shadow: 0 18px 40px rgba(255, 204, 0, 0.35);
        }

        .promo-card {
            background: var(--bg-card);
            border: 1px solid var(--border-lime);
            border-radius: var(--radius-lg);
            padding: 28px;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.2);
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            justify-content: space-between;
        }

        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-gold);
            transform: translateY(-4px);
        }

        .promo-badge {
            display: inline-block;
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 20px;
            letter-spacing: 0.5px;
            margin-bottom: 14px;
        }

        .promo-title {
            font-family: var(--font-heading);
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFF;
            margin: 0 0 10px;
        }

        .promo-desc {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
            margin: 0 0 18px;
        }

        .promo-highlight {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-gold);
            margin: 10px 0 16px;
        }

        .promo-highlight small {
            font-size: 0.9rem;
            color: var(--text-muted);
            font-weight: 400;
        }

        .btn-promo {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lime));
            color: var(--bg-secondary);
            padding: 11px 24px;
            border-radius: 28px;
            font-weight: 700;
            font-size: 0.9rem;
            letter-spacing: 0.3px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 16px rgba(50, 205, 50, 0.3);
            transition: var(--transition-base);
            align-self: flex-start;
        }

        .btn-promo:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(255, 204, 0, 0.4);
        }

        .section-how-it-works {
            padding: 60px 0;
            background: var(--bg-primary);
        }

        .section-title {
            font-family: var(--font-heading);
            font-size: 2rem;
            font-weight: 700;
            color: #FFF;
            margin: 0 0 10px;
        }

        .section-subtitle {
            color: var(--text-secondary);
            font-size: 1rem;
            margin: 0 0 36px;
        }

        .steps-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 28px;
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .step-item {
            background: var(--bg-card);
            border: 1px solid var(--border-lime);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            text-align: left;
            transition: var(--transition-base);
            position: relative;
        }

        .step-number {
            font-size: 3rem;
            font-weight: 800;
            color: rgba(255, 204, 0, 0.2);
            position: absolute;
            top: 12px;
            right: 16px;
            line-height: 1;
            pointer-events: none;
        }

        .step-title {
            font-weight: 700;
            font-size: 1.15rem;
            color: #FFF;
            margin: 0 0 8px;
        }

        .step-desc {
            color: var(--text-secondary);
            font-size: 0.9rem;
            line-height: 1.55;
            margin: 0;
        }

        .section-faq {
            padding: 60px 0;
            background: var(--bg-secondary);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

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

        .faq-question {
            width: 100%;
            background: transparent;
            color: #FFF;
            font-weight: 700;
            font-size: 1rem;
            padding: 18px 22px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            text-align: left;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
        }

        .faq-question i {
            color: var(--accent-gold);
            transition: transform 0.3s ease;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 22px;
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.6;
        }

        .faq-item.open .faq-answer {
            max-height: 220px;
            padding: 0 22px 18px;
        }

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

        .section-cta-bottom {
            padding: 60px 0;
            background: linear-gradient(135deg, #0E422A, #062315);
            border-top: 2px solid var(--border-gold);
            text-align: center;
        }

        .cta-box {
            max-width: 620px;
            margin: 0 auto;
        }

        .btn-cta-large {
            background: linear-gradient(135deg, var(--accent-gold), var(--accent-lime));
            color: var(--bg-secondary);
            padding: 16px 38px;
            border-radius: 36px;
            font-weight: 800;
            font-size: 1.1rem;
            letter-spacing: 0.4px;
            box-shadow: 0 8px 28px rgba(50, 205, 50, 0.4);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-cta-large:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 36px rgba(255, 204, 0, 0.5);
        }

        .site-footer {
            background: #041D0F;
            padding: 50px 0 24px;
            border-top: 2px solid var(--border-gold);
            font-size: 0.9rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 32px;
            margin-bottom: 30px;
        }

        .footer-col h4 {
            color: var(--accent-gold);
            font-size: 1.05rem;
            margin: 0 0 10px;
            font-weight: 700;
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-muted);
            line-height: 1.7;
            display: inline-block;
            margin-bottom: 4px;
        }

        .footer-col a:hover {
            color: var(--accent-gold);
            text-decoration: underline;
        }

        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            border-top: 1px solid var(--border-gold);
            padding-top: 18px;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        .badge-18plus {
            background: #D32F2F;
            color: #FFF;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 16px;
            font-size: 0.8rem;
        }

        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 80px;
            z-index: 60;
            background: radial-gradient(circle at 30% 30%, #FFD700, #B8860B);
            width: 56px;
            height: 56px;
            border-radius: 50%;
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #062315;
            font-size: 1.6rem;
            transition: var(--transition-base);
            animation: gentleFloat 3s ease-in-out infinite;
            border: 2px solid #FFD700;
        }

        .fab-left:hover {
            transform: scale(1.15) rotate(360deg);
            opacity: 1;
            box-shadow: 0 8px 30px rgba(255, 215, 0, 0.5);
        }

        @keyframes gentleFloat {
            0%,
            100% {
                transform: translateY(0);
            }
            50% {
                transform: translateY(-7px);
            }
        }

        @media (max-width: 1024px) {
            .page-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(11, 60, 37, 0.98);
                padding: 20px;
                gap: 16px;
                border-bottom: 2px solid var(--border-gold);
            }

            .nav-links.mobile-open {
                display: flex;
            }

            .mobile-toggle {
                display: inline-block;
            }

            .page-hero {
                padding: 48px 0;
            }

            .page-hero h1 {
                font-size: 1.9rem;
            }

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

        @media (max-width: 520px) {
            .logo-text {
                font-size: 1rem;
            }

            .btn-login,
            .btn-signup {
                padding: 7px 14px;
                font-size: 0.8rem;
            }

            .page-hero h1 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category1 */
:root {
            --primary-bg: #0A2E1C;
            --secondary-bg: #123E25;
            --accent-gold: #FFD700;
            --accent-red: #D32F2F;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --border-radius: 12px;
            --transition-speed: 0.3s ease;
        }
        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--primary-bg);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-speed);
        }
        .site-header {
            background: linear-gradient(180deg, rgba(10,46,28,0.98) 0%, rgba(18,62,37,0.95) 100%);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255,215,0,0.2);
            position: sticky;
            top: 0;
            z-index: 100;
            padding: 12px 0;
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
        }
        .logo-text {
            font-weight: 700;
            font-size: 1.25rem;
            color: var(--accent-gold);
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            gap: 16px;
            align-items: center;
            flex-wrap: wrap;
        }
        .nav-links a {
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-mint);
            padding: 8px 12px;
            border-radius: 8px;
            transition: all var(--transition-speed);
            position: relative;
        }
        .nav-links a.active {
            color: var(--accent-gold);
            background: rgba(255,215,0,0.1);
        }
        .nav-links a:hover {
            color: var(--accent-gold);
            background: rgba(255,215,0,0.08);
        }
        .nav-actions {
            display: flex;
            gap: 8px;
            align-items: center;
        }
        .btn-login, .btn-signup {
            padding: 8px 20px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all var(--transition-speed);
            border: none;
            white-space: nowrap;
        }
        .btn-login {
            background: transparent;
            color: var(--text-mint);
            border: 1px solid rgba(255,215,0,0.4);
        }
        .btn-login:hover {
            border-color: var(--accent-gold);
            color: var(--accent-gold);
        }
        .btn-signup {
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
        }
        .btn-signup:hover {
            background: #FFC107;
            transform: translateY(-1px);
            box-shadow: 0 4px 12px rgba(255,215,0,0.4);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background: rgba(10,46,28,0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                padding: 16px;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                gap: 4px;
            }
            .btn-login, .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }
        .hero-section {
            padding: 60px 0 40px;
            background: radial-gradient(ellipse at 30% 50%, rgba(18,62,37,0.8), var(--primary-bg));
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.2fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 768px) {
            .hero-grid {
                grid-template-columns: 1fr;
                text-align: center;
            }
        }
        .section-block {
            padding: 60px 0;
        }
        .block-title {
            font-size: 2rem;
            font-weight: 700;
            color: var(--accent-gold);
            margin-bottom: 8px;
            letter-spacing: -0.5px;
        }
        .block-subtitle {
            font-size: 1.1rem;
            color: var(--text-mint);
            margin-bottom: 32px;
            opacity: 0.85;
        }
        .kpi-row {
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            margin-top: 24px;
        }
        .kpi-item {
            background: rgba(255,215,0,0.08);
            border: 1px solid rgba(255,215,0,0.25);
            border-radius: var(--border-radius);
            padding: 16px 20px;
            min-width: 100px;
            text-align: center;
        }
        .kpi-number {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-gold);
        }
        .kpi-label {
            font-size: 0.85rem;
            color: var(--text-mint);
            margin-top: 4px;
        }
        .btn-primary {
            display: inline-block;
            background: var(--accent-gold);
            color: #0A2E1C;
            font-weight: 700;
            padding: 12px 28px;
            border-radius: 10px;
            font-size: 1rem;
            transition: all var(--transition-speed);
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            background: #FFC107;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(255,215,0,0.5);
        }
        .pain-solution-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 32px;
        }
        @media (max-width: 768px) {
            .pain-solution-grid {
                grid-template-columns: 1fr;
            }
        }
        .process-step {
            display: flex;
            gap: 16px;
            align-items: flex-start;
            margin-bottom: 20px;
        }
        .step-num {
            background: var(--accent-gold);
            color: #0A2E1C;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
            flex-shrink: 0;
        }
        .faq-item {
            background: rgba(255,215,0,0.05);
            border: 1px solid rgba(255,215,0,0.2);
            border-radius: var(--border-radius);
            padding: 20px;
            margin-bottom: 12px;
            transition: all var(--transition-speed);
        }
        .faq-item:hover {
            background: rgba(255,215,0,0.1);
            border-color: var(--accent-gold);
        }
        .faq-question {
            font-weight: 700;
            color: var(--accent-gold);
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .testimonial-card {
            background: linear-gradient(135deg, rgba(18,62,37,0.6), rgba(10,46,28,0.8));
            border-left: 4px solid var(--accent-gold);
            padding: 20px;
            border-radius: var(--border-radius);
            margin-bottom: 16px;
        }
        .site-footer {
            background: #051A10;
            border-top: 2px solid rgba(255,215,0,0.3);
            padding: 40px 0 20px;
            color: var(--text-mint);
            font-size: 0.9rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px,1fr));
            gap: 32px;
            margin-bottom: 24px;
        }
        .footer-grid h4 {
            color: var(--accent-gold);
            margin-bottom: 12px;
            font-size: 1rem;
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding-top: 16px;
            justify-content: space-between;
        }
        .badge-18plus {
            background: var(--accent-red);
            color: #FFF;
            padding: 4px 10px;
            border-radius: 6px;
            font-weight: 700;
            font-size: 0.8rem;
        }
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 50;
            width: 52px;
            height: 52px;
            background: radial-gradient(circle at 30% 30%, #1C1C1E, #0B0B0B);
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 4px 20px rgba(255,215,0,0.3);
            cursor: pointer;
            transition: all 0.3s ease;
            animation: float 3s ease-in-out infinite;
            color: var(--accent-gold);
            font-size: 1.5rem;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 28px rgba(255,215,0,0.6);
        }
        @keyframes float {
            0%,100% { transform: translateY(0); }
            50% { transform: translateY(-8px); }
        }
        @media (max-width: 520px) {
            .block-title { font-size: 1.5rem; }
            .hero-section { padding: 40px 0 24px; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #0B3C25;
            --bg-secondary: #062315;
            --accent-gold: #FFCC00;
            --accent-lime: #32CD32;
            --text-white: #FFFDF0;
            --text-light-green: #C5E2D2;
            --text-muted: #A5C5B5;
            --border-color: rgba(255, 204, 0, 0.3);
            --card-bg: rgba(255, 255, 255, 0.05);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 8px;
            --shadow-glow: 0 4px 20px rgba(255, 204, 0, 0.25);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.35);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }
        .site-header {
            background: var(--bg-secondary);
            border-bottom: 1px solid var(--border-color);
            position: sticky;
            top: 0;
            z-index: 50;
            backdrop-filter: blur(12px);
        }
        .nav-container {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            height: 72px;
        }
        .logo-text {
            font-weight: 800;
            font-size: 1.25rem;
            color: var(--accent-gold);
            text-decoration: none;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }
        .nav-links {
            display: flex;
            gap: 12px;
            align-items: center;
        }
        .nav-links a {
            color: var(--text-light-green);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.95rem;
            padding: 8px 16px;
            border-radius: 40px;
            transition: all 0.25s;
            white-space: nowrap;
        }
        .nav-links a.active,
        .nav-links a:hover {
            background: rgba(255, 204, 0, 0.15);
            color: var(--accent-gold);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .btn-login {
            background: transparent;
            border: 2px solid var(--accent-gold);
            color: var(--accent-gold);
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.25s;
        }
        .btn-login:hover {
            background: rgba(255, 204, 0, 0.15);
        }
        .btn-signup {
            background: var(--accent-gold);
            border: 2px solid var(--accent-gold);
            color: #062315;
            padding: 10px 22px;
            border-radius: 40px;
            font-weight: 700;
            cursor: pointer;
            font-size: 0.9rem;
            transition: all 0.25s;
            box-shadow: 0 4px 12px rgba(255, 204, 0, 0.35);
        }
        .btn-signup:hover {
            background: #ffe033;
            transform: translateY(-1px);
            box-shadow: 0 6px 18px rgba(255, 204, 0, 0.45);
        }
        .mobile-toggle {
            display: none;
            background: transparent;
            border: none;
            color: var(--accent-gold);
            font-size: 1.6rem;
            cursor: pointer;
            padding: 4px;
        }
        .hero-section {
            background: linear-gradient(135deg, #062315 0%, #0B3C25 60%, #0A5028 100%);
            padding: 80px 0 60px;
            position: relative;
            overflow: hidden;
        }
        .hero-section::before {
            content: "";
            position: absolute;
            top: -20%;
            right: -15%;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(255,204,0,0.15) 0%, transparent 70%);
            border-radius: 50%;
        }
        .hero-gold-text {
            color: var(--accent-gold);
            font-weight: 800;
        }
        .btn-primary {
            background: var(--accent-gold);
            color: #062315;
            font-weight: 700;
            padding: 16px 36px;
            border-radius: 50px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 1.05rem;
            border: none;
            cursor: pointer;
            transition: all 0.3s;
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.4);
            text-decoration: none;
        }
        .btn-primary:hover {
            background: #ffe033;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(255, 204, 0, 0.5);
        }
        .promo-card {
            background: var(--card-bg);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            padding: 32px;
            transition: all 0.35s;
            box-shadow: 0 4px 16px rgba(0,0,0,0.2);
        }
        .promo-card:hover {
            border-color: var(--accent-gold);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }
        .badge-hot {
            background: #FF4500;
            color: #FFF;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
        }
        .badge-new {
            background: var(--accent-lime);
            color: #062315;
            font-weight: 700;
            font-size: 0.75rem;
            padding: 4px 12px;
            border-radius: 20px;
            text-transform: uppercase;
            letter-spacing: 0.5px;
            display: inline-block;
        }
        .highlight-number {
            font-size: 3rem;
            font-weight: 900;
            color: var(--accent-gold);
            line-height: 1.2;
        }
        .section-padding {
            padding: 80px 0;
        }
        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }
        .section-subtitle {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 600px;
            line-height: 1.7;
        }
        .step-block {
            background: rgba(255,255,255,0.03);
            border-left: 4px solid var(--accent-gold);
            padding: 20px 24px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            margin-bottom: 16px;
        }
        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius-md);
            padding: 24px;
            margin-bottom: 16px;
            border: 1px solid transparent;
            transition: border-color 0.3s;
        }
        .faq-item:hover {
            border-color: var(--border-color);
        }
        .faq-item h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 8px;
            font-size: 1.1rem;
        }
        .site-footer {
            background: var(--bg-secondary);
            padding: 56px 0 32px;
            border-top: 2px solid rgba(255,204,0,0.2);
            color: var(--text-muted);
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: var(--accent-gold);
            font-weight: 700;
            margin-bottom: 12px;
            font-size: 1rem;
        }
        .footer-col a {
            color: var(--text-light-green);
            text-decoration: none;
            line-height: 2.2;
        }
        .footer-col a:hover {
            color: var(--accent-gold);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255,255,255,0.1);
            gap: 12px;
            font-size: 0.9rem;
        }
        .badge-18plus {
            background: #D32F2F;
            color: #FFF;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.8rem;
            display: inline-block;
        }
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            background: #062315;
            border: 2px solid var(--accent-gold);
            border-radius: 50%;
            width: 56px;
            height: 56px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-gold);
            font-size: 1.5rem;
            cursor: pointer;
            box-shadow: 0 4px 20px rgba(255,204,0,0.3);
            transition: all 0.3s;
            animation: float 3s ease-in-out infinite;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 6px 24px rgba(255,204,0,0.5);
        }
        @keyframes float {
            0%{transform:translateY(0);}
            50%{transform:translateY(-6px);}
            100%{transform:translateY(0);}
        }
        @media (max-width: 1024px) {
            .nav-links {
                gap: 4px;
            }
            .nav-links a {
                font-size: 0.85rem;
                padding: 6px 12px;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                position: fixed;
                top: 72px;
                left: 0;
                width: 100%;
                background: var(--bg-secondary);
                flex-direction: column;
                padding: 20px;
                display: none;
                border-bottom: 2px solid var(--accent-gold);
            }
            .nav-links.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions .btn-login,
            .nav-actions .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .highlight-number {
                font-size: 2rem;
            }
            .promo-card {
                padding: 20px;
            }
        }
        @media (max-width: 520px) {
            .logo-text {
                font-size: 1rem;
            }
            .hero-section {
                padding: 48px 0 40px;
            }
            .btn-primary {
                padding: 14px 24px;
                font-size: 0.95rem;
            }
        }