/* roulang page: index */
:root {
      --primary-bg: #0A2E1C;
      --secondary-bg: #123E25;
      --accent-gold: #FFD700;
      --accent-red: #D32F2F;
      --text-white: #FFFFFF;
      --text-mint: #D1F2EB;
      --text-muted: #A8C6BC;
      --border-gold: rgba(255, 215, 0, 0.35);
      --border-soft: rgba(255, 255, 255, 0.12);
      --radius-sm: 10px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-gold: 0 8px 24px rgba(255, 215, 0, 0.18);
      --shadow-dark: 0 10px 30px rgba(0, 0, 0, 0.35);
      --spacing-sm: 10px;
      --spacing-md: 24px;
      --spacing-lg: 48px;
      --spacing-xl: 72px;
      --font-main: 'Be Vietnam Pro', 'Segoe UI', sans-serif;
      --font-display: 'Playfair Display', 'Be Vietnam Pro', sans-serif;
    }

    * {
      box-sizing: border-box;
    }

    body {
      font-family: var(--font-main);
      background-color: var(--primary-bg);
      color: var(--text-white);
      line-height: 1.6;
      margin: 0;
      -webkit-font-smoothing: antialiased;
    }

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.25s ease;
    }

    a:hover {
      color: var(--accent-gold);
    }

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

    button,
    .btn {
      transition: all 0.25s ease;
    }

    .container {
      max-width: 1200px;
      margin: 0 auto;
      padding-left: 20px;
      padding-right: 20px;
    }

    /* Header */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      width: 100%;
      z-index: 1050;
      background: rgba(10, 46, 28, 0.96);
      backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border-soft);
      box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 72px;
    }

    .brand {
      font-weight: 800;
      font-size: 1.5rem;
      color: var(--accent-gold);
      letter-spacing: -0.5px;
      white-space: nowrap;
    }

    .brand span {
      color: var(--text-white);
    }

    .main-nav ul {
      display: flex;
      list-style: none;
      margin: 0;
      padding: 0;
      gap: 28px;
    }

    .main-nav a {
      font-weight: 600;
      font-size: 0.95rem;
      color: var(--text-mint);
      padding: 8px 0;
      position: relative;
    }

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

    .main-nav a.active::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 0;
      width: 100%;
      height: 2px;
      background: var(--accent-gold);
      border-radius: 2px;
    }

    .header-actions {
      display: flex;
      align-items: center;
      gap: 10px;
    }

    .btn-outline-gold {
      border: 1px solid var(--accent-gold);
      color: var(--accent-gold);
      background: transparent;
      padding: 8px 16px;
      border-radius: 999px;
      font-weight: 700;
      font-size: 0.9rem;
    }

    .btn-outline-gold:hover {
      background: rgba(255, 215, 0, 0.1);
      color: var(--accent-gold);
      transform: translateY(-1px);
    }

    .btn-gold {
      background: var(--accent-gold);
      color: #0A2E1C;
      padding: 8px 18px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 0.9rem;
      box-shadow: 0 4px 12px rgba(255, 215, 0, 0.3);
    }

    .btn-gold:hover {
      background: #FFE55C;
      color: #0A2E1C;
      transform: translateY(-2px);
      box-shadow: 0 6px 16px rgba(255, 215, 0, 0.45);
    }

    .btn-red {
      background: var(--accent-red);
      color: white;
      padding: 8px 18px;
      border-radius: 999px;
      font-weight: 800;
      font-size: 0.9rem;
      border: none;
    }

    .btn-red:hover {
      background: #B71C1C;
      color: white;
      transform: translateY(-2px);
    }

    .mobile-toggle {
      background: transparent;
      border: none;
      color: var(--accent-gold);
      font-size: 1.5rem;
      line-height: 1;
      padding: 4px 8px;
    }

    .mobile-nav {
      background: #0E3523;
      border-top: 1px solid var(--border-soft);
      padding: 12px 20px 20px;
    }

    .mobile-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .mobile-nav a {
      font-weight: 600;
      color: var(--text-mint);
      font-size: 1rem;
      display: block;
      padding: 6px 0;
    }

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

    /* Hero */
    .hero-section {
      position: relative;
      min-height: 100vh;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
      background-attachment: fixed;
      padding: 140px 0 80px;
      overflow: hidden;
    }

    .hero-section::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(10, 46, 28, 0.95) 0%, rgba(10, 46, 28, 0.85) 40%, rgba(0, 0, 0, 0.7) 100%);
      z-index: 1;
    }

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

    .hero-badge {
      display: inline-block;
      background: rgba(255, 215, 0, 0.15);
      border: 1px solid var(--border-gold);
      color: var(--accent-gold);
      padding: 6px 14px;
      border-radius: 999px;
      font-size: 0.85rem;
      font-weight: 700;
      letter-spacing: 0.5px;
      margin-bottom: 22px;
    }

    .hero-title {
      font-family: var(--font-display);
      font-size: 2.9rem;
      font-weight: 900;
      line-height: 1.2;
      color: white;
      margin-bottom: 24px;
      text-shadow: 0 2px 12px rgba(0, 0, 0, 0.3);
    }

    .hero-title .gold {
      color: var(--accent-gold);
    }

    .hero-desc {
      font-size: 1.1rem;
      color: var(--text-mint);
      max-width: 640px;
      margin-bottom: 32px;
      line-height: 1.7;
    }

    .hero-stats {
      display: flex;
      gap: 30px;
      flex-wrap: wrap;
      margin-top: 32px;
    }

    .hero-stat {
      display: flex;
      align-items: center;
      gap: 10px;
      background: rgba(255, 255, 255, 0.06);
      padding: 10px 16px;
      border-radius: var(--radius-sm);
      border-left: 3px solid var(--accent-gold);
    }

    .hero-stat i {
      color: var(--accent-gold);
      font-size: 1.3rem;
    }

    .hero-stat span {
      font-weight: 700;
      color: white;
      font-size: 0.95rem;
    }

    .hero-panel {
      position: relative;
      z-index: 2;
      background: rgba(0, 0, 0, 0.55);
      backdrop-filter: blur(14px);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 28px 24px;
      box-shadow: var(--shadow-gold);
    }

    .hero-panel h3 {
      font-size: 1.25rem;
      font-weight: 800;
      color: var(--accent-gold);
      margin-bottom: 18px;
      text-align: center;
      letter-spacing: 0.5px;
    }

    .rate-list {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .rate-list li {
      display: flex;
      justify-content: space-between;
      align-items: center;
      padding-bottom: 10px;
      border-bottom: 1px dashed rgba(255, 255, 255, 0.15);
      font-size: 0.95rem;
    }

    .rate-list li:last-child {
      border-bottom: none;
      padding-bottom: 0;
    }

    .rate-list .rate-value {
      font-weight: 800;
      color: var(--accent-gold);
      background: rgba(255, 215, 0, 0.1);
      padding: 4px 10px;
      border-radius: 999px;
      white-space: nowrap;
    }

    /* Section General */
    .section-padding {
      padding: var(--spacing-xl) 0;
    }

    .section-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.3;
      margin-bottom: 16px;
      color: white;
    }

    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-mint);
      max-width: 720px;
      margin-bottom: 40px;
      line-height: 1.65;
    }

    .section-label {
      text-transform: uppercase;
      letter-spacing: 2px;
      color: var(--accent-gold);
      font-weight: 700;
      font-size: 0.8rem;
      margin-bottom: 12px;
    }

    /* Series Navigation */
    .series-grid {
      display: grid;
      grid-template-columns: repeat(2, 1fr);
      gap: 24px;
    }

    .series-card {
      position: relative;
      min-height: 220px;
      border-radius: var(--radius-md);
      overflow: hidden;
      display: flex;
      align-items: flex-end;
      background-size: cover;
      background-position: center;
      border: 1px solid var(--border-soft);
      transition: transform 0.35s ease, box-shadow 0.35s ease;
    }

    .series-card:hover {
      transform: translateY(-6px);
      box-shadow: var(--shadow-gold);
    }

    .series-card::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(to top, rgba(10, 46, 28, 0.9) 0%, rgba(10, 46, 28, 0.3) 100%);
      z-index: 1;
    }

    .series-card-content {
      position: relative;
      z-index: 2;
      padding: 24px;
      color: white;
    }

    .series-card-content h3 {
      font-size: 1.5rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .series-card-content p {
      margin: 0;
      font-size: 0.95rem;
      color: var(--text-mint);
    }

    /* Benefit Highlights */
    .benefit-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 32px;
    }

    .benefit-item {
      background: rgba(18, 62, 37, 0.6);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 28px 22px;
      transition: all 0.3s ease;
    }

    .benefit-item:hover {
      border-color: var(--border-gold);
      background: rgba(18, 62, 37, 0.85);
      transform: translateY(-4px);
    }

    .benefit-icon {
      width: 52px;
      height: 52px;
      border-radius: 14px;
      background: rgba(255, 215, 0, 0.12);
      display: flex;
      align-items: center;
      justify-content: center;
      margin-bottom: 18px;
      color: var(--accent-gold);
      font-size: 1.5rem;
    }

    .benefit-item h3 {
      font-size: 1.25rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .benefit-item p {
      color: var(--text-mint);
      margin: 0;
      font-size: 0.95rem;
      line-height: 1.65;
    }

    /* Hot Selection */
    .hot-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 22px;
    }

    .hot-card {
      background: rgba(18, 62, 37, 0.75);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      overflow: hidden;
      transition: all 0.35s ease;
      position: relative;
    }

    .hot-card:hover {
      border-color: var(--accent-gold);
      transform: translateY(-6px);
      box-shadow: 0 12px 28px rgba(0, 0, 0, 0.4);
    }

    .hot-card-img {
      height: 120px;
      background-size: cover;
      background-position: center;
      position: relative;
    }

    .hot-tag {
      position: absolute;
      top: 12px;
      right: 12px;
      background: var(--accent-red);
      color: white;
      padding: 4px 10px;
      border-radius: 999px;
      font-size: 0.75rem;
      font-weight: 800;
      letter-spacing: 0.5px;
    }

    .hot-card-body {
      padding: 18px;
    }

    .hot-card-body h4 {
      font-size: 1.1rem;
      font-weight: 800;
      margin-bottom: 6px;
    }

    .hot-card-body p {
      color: var(--text-mint);
      font-size: 0.85rem;
      margin-bottom: 12px;
    }

    .hot-rate {
      font-weight: 800;
      color: var(--accent-gold);
      font-size: 1.3rem;
    }

    /* Security */
    .security-wrap {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      align-items: center;
    }

    .security-text {
      flex: 1 1 300px;
    }

    .security-list {
      list-style: none;
      margin: 24px 0 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 14px;
    }

    .security-list li {
      display: flex;
      align-items: flex-start;
      gap: 12px;
      color: var(--text-mint);
    }

    .security-list i {
      color: var(--accent-gold);
      margin-top: 4px;
    }

    .security-visual {
      flex: 0 0 380px;
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-dark);
    }

    .security-visual img {
      width: 100%;
      height: auto;
      object-fit: cover;
    }

    /* News */
    .news-layout {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 24px;
    }

    .news-card {
      background: rgba(18, 62, 37, 0.5);
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: all 0.3s ease;
    }

    .news-card:hover {
      border-color: var(--accent-gold);
      background: rgba(18, 62, 37, 0.8);
      transform: translateY(-2px);
    }

    .news-card h4 {
      font-size: 1.15rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .news-card h4 a {
      color: white;
    }

    .news-card h4 a:hover {
      color: var(--accent-gold);
    }

    .news-meta {
      display: flex;
      gap: 16px;
      font-size: 0.85rem;
      color: var(--text-muted);
      margin-bottom: 10px;
    }

    .news-card p {
      color: var(--text-mint);
      margin: 0;
      font-size: 0.9rem;
      line-height: 1.6;
    }

    /* Membership */
    .membership-panel {
      background: linear-gradient(145deg, #1B4B34 0%, #0E3B25 100%);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 36px;
      display: flex;
      flex-wrap: wrap;
      gap: 30px;
      align-items: center;
      justify-content: space-between;
      box-shadow: var(--shadow-gold);
    }

    .membership-info h3 {
      font-size: 1.7rem;
      font-weight: 800;
      margin-bottom: 10px;
    }

    .membership-info p {
      color: var(--text-mint);
      margin: 0;
      max-width: 550px;
    }

    .membership-actions {
      display: flex;
      gap: 12px;
      flex-wrap: wrap;
    }

    /* FAQ */
    .faq-section {
      background: rgba(11, 41, 26, 0.7);
    }

    .accordion-item {
      background: transparent;
      border: 1px solid var(--border-soft);
      border-radius: var(--radius-sm) !important;
      margin-bottom: 12px;
      overflow: hidden;
    }

    .accordion-button {
      background: rgba(18, 62, 37, 0.7);
      color: white;
      font-weight: 700;
      padding: 18px 20px;
      border: none;
      box-shadow: none;
    }

    .accordion-button:not(.collapsed) {
      background: rgba(255, 215, 0, 0.1);
      color: var(--accent-gold);
      box-shadow: none;
    }

    .accordion-button:focus {
      box-shadow: none;
      border: none;
    }

    .accordion-button::after {
      filter: brightness(0) invert(1);
    }

    .accordion-body {
      background: rgba(0, 0, 0, 0.15);
      color: var(--text-mint);
      padding: 18px 20px;
      line-height: 1.65;
    }

    /* CTA */
    .cta-banner {
      position: relative;
      border-radius: var(--radius-lg);
      overflow: hidden;
      background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      padding: 70px 40px;
      text-align: left;
      box-shadow: var(--shadow-dark);
    }

    .cta-banner::before {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(90deg, rgba(10, 46, 28, 0.92) 0%, rgba(10, 46, 28, 0.55) 100%);
    }

    .cta-content {
      position: relative;
      z-index: 1;
      max-width: 650px;
    }

    .cta-content h2 {
      font-size: 2.1rem;
      font-weight: 900;
      margin-bottom: 14px;
      color: white;
    }

    .cta-content p {
      color: var(--text-mint);
      margin-bottom: 24px;
      font-size: 1.05rem;
    }

    /* Footer */
    .site-footer {
      background: #062114;
      padding: 60px 0 30px;
      border-top: 1px solid var(--border-soft);
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 2fr 1fr 1fr;
      gap: 40px;
      margin-bottom: 40px;
    }

    .footer-brand p {
      color: var(--text-muted);
      font-size: 0.9rem;
      margin: 12px 0 20px;
      max-width: 400px;
    }

    .footer-col h5 {
      font-weight: 700;
      color: var(--accent-gold);
      margin-bottom: 16px;
      font-size: 1rem;
      letter-spacing: 0.5px;
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      color: var(--text-mint);
      font-size: 0.9rem;
    }

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

    .footer-bottom {
      border-top: 1px solid var(--border-soft);
      padding-top: 24px;
      display: flex;
      flex-wrap: wrap;
      gap: 16px;
      justify-content: space-between;
      align-items: center;
      font-size: 0.85rem;
      color: var(--text-muted);
    }

    .footer-warning {
      display: flex;
      align-items: center;
      gap: 8px;
      color: var(--accent-red);
      font-weight: 700;
    }

    /* FAB */
    .fab-support {
      position: fixed;
      left: 20px;
      bottom: 96px;
      z-index: 1040;
    }

    .fab-btn {
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: radial-gradient(circle at 30% 30%, #FFE55C, #D4AF37);
      border: 2px solid var(--accent-gold);
      box-shadow: 0 4px 20px rgba(255, 215, 0, 0.35);
      display: flex;
      align-items: center;
      justify-content: center;
      color: #0A2E1C;
      font-size: 1.5rem;
      animation: fabFloat 2.5s infinite ease-in-out;
      opacity: 0.75;
      transition: opacity 0.3s, transform 0.3s;
      position: relative;
    }

    .fab-btn:hover {
      opacity: 1;
      transform: scale(1.1) rotate(360deg);
    }

    .fab-btn:active {
      transform: scale(0.95);
    }

    .fab-notification {
      position: absolute;
      top: 2px;
      right: 2px;
      width: 12px;
      height: 12px;
      background: var(--accent-red);
      border-radius: 50%;
      border: 2px solid #0A2E1C;
      animation: blinkDot 1.4s infinite;
    }

    @keyframes fabFloat {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-6px); }
    }

    @keyframes blinkDot {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    /* Responsive */
    @media (max-width: 1024px) {
      .hero-title { font-size: 2.3rem; }
      .hot-grid { grid-template-columns: repeat(2, 1fr); }
      .benefit-grid { grid-template-columns: repeat(2, 1fr); }
      .footer-grid { grid-template-columns: 1fr 1fr; }
    }

    @media (max-width: 768px) {
      .site-header .container { height: 64px; }
      .brand { font-size: 1.2rem; }
      .main-nav { display: none; }
      .hero-section { padding: 120px 0 60px; background-attachment: scroll; min-height: auto; }
      .hero-title { font-size: 2rem; }
      .hero-panel { margin-top: 28px; padding: 20px; }
      .series-grid { grid-template-columns: 1fr; }
      .benefit-grid { grid-template-columns: 1fr; }
      .hot-grid { grid-template-columns: 1fr; }
      .news-layout { grid-template-columns: 1fr; }
      .security-visual { flex: 0 0 100%; max-width: 100%; }
      .membership-panel { padding: 26px; }
      .footer-grid { grid-template-columns: 1fr; gap: 28px; }
      .cta-banner { padding: 50px 24px; }
      .section-padding { padding: 56px 0; }
      .section-title { font-size: 1.7rem; }
      .header-actions .btn { padding: 6px 12px; font-size: 0.8rem; }
    }

    @media (max-width: 520px) {
      .hero-title { font-size: 1.7rem; }
      .hero-desc { font-size: 0.95rem; }
      .hero-stats { gap: 14px; }
      .hero-stat { padding: 8px 12px; font-size: 0.85rem; }
      .rate-list li { font-size: 0.85rem; }
      .fab-btn { width: 48px; height: 48px; font-size: 1.2rem; left: 12px; }
      .section-title { font-size: 1.5rem; }
    }

/* roulang page: article */
:root {
      --primary-bg: #0A2E1C;
      --primary-bg-deep: #062315;
      --forest-green: #123E25;
      --jade-light: #1A4A2F;
      --imperial-gold: #FFD700;
      --gold-amber: #FFC107;
      --lucky-red: #D32F2F;
      --text-white: #FFFFFF;
      --pale-mint: #D1F2EB;
      --muted-text: #8FA89B;
      --border-gold: rgba(255, 215, 0, 0.35);
      --border-gold-strong: rgba(255, 215, 0, 0.6);
      --shadow-gold: 0 4px 20px rgba(255, 215, 0, 0.15);
      --shadow-gold-lg: 0 12px 40px rgba(255, 215, 0, 0.22);
      --shadow-dark: 0 8px 30px rgba(0, 0, 0, 0.35);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-xl: 30px;
      --transition-fast: 0.2s ease;
      --transition-base: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
      --font-body: 'Be Vietnam Pro', sans-serif;
      --font-display: 'Playfair Display', serif;
    }

    * {
      margin: 0;
      padding: 0;
      box-sizing: border-box;
    }

    html {
      scroll-behavior: smooth;
      scroll-padding-top: 80px;
    }

    body {
      font-family: var(--font-body);
      background-color: var(--primary-bg);
      color: var(--text-white);
      line-height: 1.65;
      overflow-x: hidden;
      padding-bottom: 70px;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body::before {
      content: '';
      position: fixed;
      inset: 0;
      background: radial-gradient(ellipse at 20% 20%, rgba(255, 215, 0, 0.04) 0%, transparent 60%),
                  radial-gradient(ellipse at 80% 40%, rgba(255, 215, 0, 0.03) 0%, transparent 55%),
                  radial-gradient(ellipse at 50% 80%, rgba(211, 47, 47, 0.06) 0%, transparent 50%);
      pointer-events: none;
      z-index: 0;
    }

    h1, h2, h3, h4, h5, h6 {
      font-weight: 700;
      line-height: 1.25;
      color: var(--text-white);
    }

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

    a:hover {
      color: var(--gold-amber);
    }

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

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

    @media (max-width: 768px) {
      body {
        padding-bottom: 110px;
      }
    }

    /* ===== Top Utility Bar ===== */
    .top-utility-bar {
      background: var(--primary-bg-deep);
      border-bottom: 1px solid rgba(255, 215, 0, 0.15);
      padding: 8px 0;
      font-size: 0.78rem;
      position: relative;
      z-index: 1001;
    }
    .top-utility-bar .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      flex-wrap: wrap;
    }
    .top-utility-bar .utility-item {
      color: var(--pale-mint);
      display: inline-flex;
      align-items: center;
      gap: 6px;
      white-space: nowrap;
    }
    .top-utility-bar .utility-item i {
      color: var(--imperial-gold);
      font-size: 0.85rem;
    }
    .top-utility-badges {
      display: flex;
      align-items: center;
      gap: 12px;
    }
    .badge-secure {
      background: rgba(0, 0, 0, 0.35);
      border: 1px solid rgba(255, 215, 0, 0.25);
      color: var(--pale-mint);
      padding: 6px 12px;
      border-radius: 20px;
      font-size: 0.72rem;
      letter-spacing: 0.02em;
      white-space: nowrap;
    }
    .badge-secure i {
      color: var(--imperial-gold);
      margin-right: 5px;
    }

    /* ===== Header / Navigation ===== */
    .site-header {
      background: rgba(6, 35, 21, 0.92);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border-bottom: 1px solid rgba(255, 215, 0, 0.2);
      position: sticky;
      top: 0;
      z-index: 1000;
      transition: var(--transition-base);
    }
    .site-header .navbar-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
      padding: 14px 0;
      flex-wrap: nowrap;
    }
    .brand {
      font-family: var(--font-display);
      font-weight: 800;
      font-size: 1.35rem;
      color: var(--text-white);
      letter-spacing: -0.01em;
      white-space: nowrap;
      line-height: 1.2;
    }
    .brand span {
      color: var(--imperial-gold);
    }
    .brand .brand-sub {
      display: block;
      font-family: var(--font-body);
      font-size: 0.65rem;
      font-weight: 500;
      color: var(--pale-mint);
      letter-spacing: 0.01em;
      margin-top: 2px;
    }
    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 8px;
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .main-nav ul li a {
      display: inline-block;
      padding: 8px 16px;
      font-size: 0.85rem;
      font-weight: 600;
      color: var(--pale-mint);
      border-radius: 20px;
      transition: var(--transition-base);
      border: 1px solid transparent;
    }
    .main-nav ul li a:hover {
      color: var(--imperial-gold);
      background: rgba(255, 215, 0, 0.06);
    }
    .main-nav ul li.active a {
      color: var(--imperial-gold);
      background: rgba(255, 215, 0, 0.1);
      border-color: rgba(255, 215, 0, 0.3);
    }
    .header-actions {
      display: flex;
      align-items: center;
      gap: 12px;
      flex-shrink: 0;
    }
    .btn-login {
      background: transparent;
      border: none;
      color: var(--pale-mint);
      font-size: 0.85rem;
      font-weight: 600;
      padding: 8px 12px;
      transition: var(--transition-base);
      cursor: pointer;
      white-space: nowrap;
    }
    .btn-login:hover {
      color: var(--imperial-gold);
    }
    .btn-signup {
      background: linear-gradient(135deg, #FFD700 0%, #FFB300 100%);
      border: none;
      color: #0A2E1C;
      font-size: 0.85rem;
      font-weight: 700;
      padding: 10px 22px;
      border-radius: 24px;
      cursor: pointer;
      transition: var(--transition-base);
      white-space: nowrap;
      box-shadow: 0 4px 15px rgba(255, 215, 0, 0.3);
      letter-spacing: 0.01em;
    }
    .btn-signup:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 22px rgba(255, 215, 0, 0.45);
      background: linear-gradient(135deg, #FFE04D 0%, #FFC107 100%);
    }
    .mobile-toggle {
      background: transparent;
      border: 1px solid rgba(255, 215, 0, 0.3);
      color: var(--imperial-gold);
      font-size: 1.2rem;
      padding: 8px 12px;
      border-radius: 8px;
      cursor: pointer;
      display: none;
      transition: var(--transition-base);
    }
    .mobile-toggle:hover {
      background: rgba(255, 215, 0, 0.1);
    }
    .mobile-nav {
      background: rgba(6, 35, 21, 0.98);
      border-top: 1px solid rgba(255, 215, 0, 0.2);
      padding: 12px 0;
      display: none;
    }
    .mobile-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .mobile-nav ul li a {
      display: block;
      padding: 12px 16px;
      color: var(--pale-mint);
      font-weight: 600;
      border-radius: 8px;
      transition: var(--transition-base);
    }
    .mobile-nav ul li.active a {
      color: var(--imperial-gold);
      background: rgba(255, 215, 0, 0.1);
    }

    @media (max-width: 991.98px) {
      .main-nav { display: none !important; }
      .mobile-toggle { display: inline-flex; align-items: center; justify-content: center; }
      .mobile-nav.show { display: block; }
      .header-actions .btn-login { display: inline-block; }
      .header-actions .btn-signup { display: inline-block; }
    }
    @media (max-width: 520px) {
      .brand { font-size: 1.05rem; }
      .brand .brand-sub { font-size: 0.58rem; }
      .btn-signup { padding: 8px 14px; font-size: 0.78rem; }
      .btn-login { padding: 8px 6px; font-size: 0.78rem; }
      .top-utility-bar { font-size: 0.7rem; }
      .top-utility-badges { gap: 6px; }
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-nav {
      padding: 24px 0 0;
    }
    .breadcrumb-nav .breadcrumb {
      margin: 0;
      padding: 0;
      background: transparent;
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 6px;
      font-size: 0.82rem;
      list-style: none;
    }
    .breadcrumb-nav .breadcrumb-item a {
      color: var(--muted-text);
      transition: var(--transition-base);
    }
    .breadcrumb-nav .breadcrumb-item a:hover {
      color: var(--imperial-gold);
    }
    .breadcrumb-nav .breadcrumb-item.active {
      color: var(--pale-mint);
    }
    .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
      content: '•';
      color: var(--border-gold-strong);
      margin: 0 8px;
    }

    /* ===== Article Detail Header ===== */
    .article-detail-header {
      position: relative;
      background: linear-gradient(180deg, rgba(10, 46, 28, 0.7) 0%, rgba(6, 35, 21, 0.9) 100%),
                  url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
      border-radius: var(--radius-lg);
      border: 1px solid var(--border-gold);
      padding: 36px 32px;
      margin: 20px 0 32px;
      overflow: hidden;
    }
    .article-detail-header::before {
      content: '';
      position: absolute;
      top: 0;
      left: 0;
      right: 0;
      bottom: 0;
      background: linear-gradient(135deg, rgba(255, 215, 0, 0.08) 0%, transparent 50%, rgba(255, 215, 0, 0.04) 100%);
      pointer-events: none;
    }
    .article-detail-header .article-category-badge {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: rgba(255, 215, 0, 0.12);
      border: 1px solid var(--border-gold);
      color: var(--imperial-gold);
      padding: 6px 14px;
      border-radius: 18px;
      font-size: 0.75rem;
      font-weight: 600;
      letter-spacing: 0.02em;
      margin-bottom: 16px;
      position: relative;
      z-index: 1;
    }
    .article-detail-header h1 {
      font-size: 2rem;
      font-weight: 800;
      color: var(--text-white);
      margin-bottom: 14px;
      position: relative;
      z-index: 1;
      line-height: 1.3;
    }
    .article-detail-header .article-meta {
      display: flex;
      align-items: center;
      flex-wrap: wrap;
      gap: 18px;
      color: var(--muted-text);
      font-size: 0.82rem;
      position: relative;
      z-index: 1;
    }
    .article-detail-header .article-meta span {
      display: inline-flex;
      align-items: center;
      gap: 5px;
    }
    .article-detail-header .article-meta i {
      color: var(--imperial-gold);
    }
    .article-detail-header .article-excerpt {
      color: var(--pale-mint);
      font-size: 1.02rem;
      line-height: 1.7;
      margin-top: 16px;
      position: relative;
      z-index: 1;
      max-width: 760px;
    }

    @media (max-width: 768px) {
      .article-detail-header {
        padding: 24px 18px;
        border-radius: var(--radius-md);
      }
      .article-detail-header h1 {
        font-size: 1.4rem;
      }
      .article-detail-header .article-excerpt {
        font-size: 0.92rem;
      }
    }

    /* ===== Article Body ===== */
    .article-body-wrapper {
      position: relative;
      z-index: 1;
    }
    .article-content {
      color: #E8F0EB;
      font-size: 1rem;
      line-height: 1.75;
      letter-spacing: 0.01em;
      padding: 20px 0;
    }
    .article-content h2 {
      font-size: 1.5rem;
      font-weight: 700;
      color: var(--text-white);
      margin-top: 2.2rem;
      margin-bottom: 1rem;
      padding-bottom: 10px;
      border-bottom: 2px solid var(--border-gold);
    }
    .article-content h3 {
      font-size: 1.22rem;
      font-weight: 700;
      color: var(--imperial-gold);
      margin-top: 1.8rem;
      margin-bottom: 0.8rem;
    }
    .article-content h4 {
      font-size: 1.05rem;
      font-weight: 600;
      color: var(--pale-mint);
      margin-top: 1.5rem;
      margin-bottom: 0.6rem;
    }
    .article-content p {
      margin-bottom: 1.05rem;
      color: #E8F0EB;
    }
    .article-content ul,
    .article-content ol {
      padding-left: 1.5rem;
      margin: 1rem 0 1.2rem;
    }
    .article-content ul li,
    .article-content ol li {
      margin-bottom: 8px;
      color: #E8F0EB;
    }
    .article-content ul li::marker {
      color: var(--imperial-gold);
    }
    .article-content img {
      border-radius: var(--radius-md);
      border: 1px solid var(--border-gold);
      box-shadow: var(--shadow-dark);
      margin: 1.5rem 0;
    }
    .article-content blockquote {
      background: rgba(255, 215, 0, 0.06);
      border-left: 4px solid var(--imperial-gold);
      padding: 16px 20px;
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      margin: 1.5rem 0;
      color: var(--pale-mint);
      font-style: italic;
    }
    .article-content table {
      width: 100%;
      border-collapse: collapse;
      margin: 1.5rem 0;
      background: rgba(0, 0, 0, 0.25);
      border-radius: var(--radius-sm);
      overflow: hidden;
      border: 1px solid var(--border-gold);
    }
    .article-content table th,
    .article-content table td {
      padding: 12px 16px;
      text-align: left;
      border-bottom: 1px solid rgba(255, 215, 0, 0.12);
      color: #E8F0EB;
      font-size: 0.92rem;
    }
    .article-content table th {
      background: rgba(255, 215, 0, 0.1);
      color: var(--imperial-gold);
      font-weight: 700;
    }
    .article-content a {
      color: var(--imperial-gold);
      text-decoration: underline;
      text-underline-offset: 3px;
    }
    .article-content a:hover {
      color: var(--gold-amber);
    }
    .article-content code {
      background: rgba(0, 0, 0, 0.4);
      padding: 3px 8px;
      border-radius: 4px;
      font-size: 0.85em;
      color: var(--gold-amber);
    }

    @media (max-width: 768px) {
      .article-content {
        font-size: 0.95rem;
      }
      .article-content h2 {
        font-size: 1.25rem;
      }
      .article-content h3 {
        font-size: 1.05rem;
      }
    }

    /* ===== Article Not Found ===== */
    .article-not-found {
      background: rgba(255, 215, 0, 0.05);
      border: 1px solid var(--border-gold);
      border-radius: var(--radius-lg);
      padding: 48px 32px;
      text-align: center;
      margin: 24px 0 40px;
    }
    .article-not-found .not-found-icon {
      font-size: 3rem;
      color: var(--imperial-gold);
      margin-bottom: 16px;
    }
    .article-not-found h2 {
      font-size: 1.6rem;
      margin-bottom: 12px;
    }
    .article-not-found p {
      color: var(--muted-text);
      margin-bottom: 20px;
    }

    /* ===== CTA Section ===== */
    .article-cta-section {
      background: linear-gradient(135deg, rgba(255, 215, 0, 0.1) 0%, rgba(255, 215, 0, 0.03) 50%, rgba(255, 215, 0, 0.08) 100%);
      border: 1px solid var(--border-gold-strong);
      border-radius: var(--radius-lg);
      padding: 32px 28px;
      margin: 32px 0 40px;
      position: relative;
      overflow: hidden;
    }
    .article-cta-section::before {
      content: '';
      position: absolute;
      top: -50%;
      right: -20%;
      width: 300px;
      height: 300px;
      background: radial-gradient(circle, rgba(255, 215, 0, 0.15) 0%, transparent 70%);
      pointer-events: none;
    }
    .article-cta-section h2 {
      font-size: 1.5rem;
      font-weight: 700;
      margin-bottom: 10px;
      color: var(--imperial-gold);
    }
    .article-cta-section p {
      color: var(--pale-mint);
      margin-bottom: 20px;
      font-size: 0.98rem;
      line-height: 1.7;
    }
    .btn-cta-gold {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: linear-gradient(135deg, #FFD700 0%, #FFB300 100%);
      border: none;
      color: #0A2E1C;
      font-weight: 700;
      padding: 14px 28px;
      border-radius: 30px;
      transition: var(--transition-base);
      font-size: 0.95rem;
      box-shadow: 0 6px 24px rgba(255, 215, 0, 0.35);
      cursor: pointer;
      letter-spacing: 0.01em;
    }
    .btn-cta-gold:hover {
      transform: translateY(-3px);
      box-shadow: 0 10px 32px rgba(255, 215, 0, 0.5);
      background: linear-gradient(135deg, #FFE04D 0%, #FFC107 100%);
    }
    .btn-cta-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: transparent;
      border: 2px solid var(--imperial-gold);
      color: var(--imperial-gold);
      font-weight: 600;
      padding: 12px 24px;
      border-radius: 30px;
      transition: var(--transition-base);
      font-size: 0.9rem;
      cursor: pointer;
    }
    .btn-cta-outline:hover {
      background: rgba(255, 215, 0, 0.1);
      border-color: var(--gold-amber);
      color: var(--gold-amber);
    }

    /* ===== FAQ ===== */
    .faq-section {
      margin: 32px 0 40px;
      position: relative;
      z-index: 1;
    }
    .faq-section .faq-header {
      text-align: left;
      margin-bottom: 24px;
    }
    .faq-section .faq-header h2 {
      font-size: 1.6rem;
      font-weight: 700;
      color: var(--text-white);
      margin-bottom: 6px;
    }
    .faq-section .faq-header p {
      color: var(--muted-text);
      font-size: 0.95rem;
    }
    .faq-list {
      display: flex;
      flex-direction: column;
      gap: 12px;
    }
    .faq-item {
      background: rgba(0, 0, 0, 0.3);
      border: 1px solid rgba(255, 215, 0, 0.2);
      border-radius: var(--radius-md);
      padding: 18px 22px;
      transition: var(--transition-base);
      cursor: pointer;
    }
    .faq-item:hover {
      border-color: var(--border-gold-strong);
      background: rgba(255, 215, 0, 0.04);
    }
    .faq-item .faq-question {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
      font-weight: 600;
      color: var(--text-white);
      font-size: 0.98rem;
    }
    .faq-item .faq-question i {
      color: var(--imperial-gold);
      transition: var(--transition-base);
      font-size: 0.9rem;
    }
    .faq-item .faq-answer {
      color: var(--muted-text);
      font-size: 0.9rem;
      line-height: 1.7;
      margin-top: 10px;
      display: none;
    }
    .faq-item.open .faq-answer {
      display: block;
    }
    .faq-item.open .faq-question i {
      transform: rotate(180deg);
    }

    /* ===== Footer ===== */
    .site-footer {
      background: var(--primary-bg-deep);
      border-top: 1px solid rgba(255, 215, 0, 0.2);
      padding: 48px 0 24px;
      position: relative;
      z-index: 10;
      margin-top: 20px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: 1.6fr 1fr 1fr;
      gap: 36px;
      margin-bottom: 32px;
    }
    .footer-brand .brand {
      font-size: 1.2rem;
      margin-bottom: 12px;
      display: inline-block;
    }
    .footer-brand p {
      color: var(--muted-text);
      font-size: 0.85rem;
      line-height: 1.7;
      margin-bottom: 14px;
      max-width: 380px;
    }
    .footer-brand .d-flex a {
      color: var(--muted-text);
      transition: var(--transition-base);
    }
    .footer-brand .d-flex a:hover {
      color: var(--imperial-gold);
    }
    .footer-col h5 {
      font-size: 0.9rem;
      font-weight: 700;
      color: var(--imperial-gold);
      margin-bottom: 14px;
      letter-spacing: 0.02em;
    }
    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul li a {
      color: var(--pale-mint);
      font-size: 0.85rem;
      transition: var(--transition-base);
    }
    .footer-col ul li a:hover {
      color: var(--imperial-gold);
      padding-left: 4px;
    }
    .footer-bottom {
      border-top: 1px solid rgba(255, 215, 0, 0.12);
      padding-top: 20px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      flex-wrap: wrap;
      gap: 12px;
      font-size: 0.78rem;
      color: var(--muted-text);
    }
    .footer-warning {
      color: var(--lucky-red);
      font-weight: 600;
      display: inline-flex;
      align-items: center;
      gap: 6px;
    }
    .footer-warning i {
      color: var(--lucky-red);
    }

    @media (max-width: 768px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 24px;
      }
      .footer-bottom {
        flex-direction: column;
        align-items: flex-start;
        gap: 8px;
      }
    }

    /* ===== Bottom Fixed CTA Bar ===== */
    .bottom-cta-bar {
      position: fixed;
      bottom: 0;
      left: 0;
      right: 0;
      z-index: 999;
      background: rgba(6, 35, 21, 0.95);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-top: 1px solid var(--border-gold-strong);
      padding: 12px 0;
      transition: var(--transition-base);
    }
    .bottom-cta-bar .cta-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 16px;
    }
    .bottom-cta-bar .cta-text {
      font-size: 0.85rem;
      color: var(--pale-mint);
      line-height: 1.4;
      flex: 1;
    }
    .bottom-cta-bar .cta-text strong {
      color: var(--imperial-gold);
      font-weight: 700;
    }
    .bottom-cta-bar .cta-actions {
      display: flex;
      align-items: center;
      gap: 8px;
      flex-shrink: 0;
    }
    .btn-bottom-cta {
      background: linear-gradient(135deg, #FFD700 0%, #FFB300 100%);
      border: none;
      color: #0A2E1C;
      font-weight: 700;
      font-size: 0.82rem;
      padding: 10px 20px;
      border-radius: 24px;
      cursor: pointer;
      transition: var(--transition-base);
      white-space: nowrap;
      box-shadow: 0 4px 14px rgba(255, 215, 0, 0.3);
      letter-spacing: 0.01em;
    }
    .btn-bottom-cta:hover {
      transform: translateY(-2px);
      box-shadow: 0 6px 20px rgba(255, 215, 0, 0.45);
    }
    .btn-bottom-outline {
      background: transparent;
      border: 2px solid rgba(255, 215, 0, 0.5);
      color: var(--imperial-gold);
      font-weight: 600;
      font-size: 0.82rem;
      padding: 8px 16px;
      border-radius: 24px;
      cursor: pointer;
      transition: var(--transition-base);
      white-space: nowrap;
    }
    .btn-bottom-outline:hover {
      background: rgba(255, 215, 0, 0.1);
      border-color: var(--imperial-gold);
    }

    @media (max-width: 768px) {
      .bottom-cta-bar .cta-inner {
        flex-direction: column;
        gap: 8px;
        text-align: center;
      }
      .bottom-cta-bar .cta-text {
        font-size: 0.78rem;
      }
      .bottom-cta-bar .cta-actions {
        flex-wrap: wrap;
        justify-content: center;
      }
      .btn-bottom-cta {
        padding: 8px 16px;
        font-size: 0.78rem;
      }
    }

    /* ===== FAB (Floating Action Button) ===== */
    .fab-support {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 998;
      width: 56px;
      height: 56px;
      border-radius: 50%;
      background: linear-gradient(145deg, #1A1A1A 0%, #0A0A0A 100%);
      border: 2px solid var(--imperial-gold);
      color: var(--imperial-gold);
      display: flex;
      align-items: center;
      justify-content: center;
      cursor: pointer;
      opacity: 0.7;
      box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
      transition: var(--transition-base);
      animation: fabFloat 3.5s ease-in-out infinite;
      position: fixed;
    }
    .fab-support::after {
      content: '';
      position: absolute;
      top: -2px;
      right: -2px;
      width: 12px;
      height: 12px;
      border-radius: 50%;
      background: #D32F2F;
      border: 2px solid #0A0A0A;
      animation: fabBlink 1.8s ease-in-out infinite;
    }
    .fab-support i {
      font-size: 1.3rem;
      transition: transform 0.4s ease;
    }
    .fab-support:hover {
      opacity: 1;
      transform: scale(1.1);
      box-shadow: 0 6px 30px rgba(255, 215, 0, 0.5);
    }
    .fab-support:hover i {
      transform: rotate(360deg);
    }
    .fab-support:active {
      transform: scale(0.95) translateY(2px);
    }

    @keyframes fabFloat {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-6px); }
    }
    @keyframes fabBlink {
      0%, 100% { opacity: 1; }
      50% { opacity: 0.3; }
    }

    @media (max-width: 768px) {
      .fab-support {
        width: 48px;
        height: 48px;
        left: 0.75rem;
        bottom: 8.5rem;
        border-width: 1.5px;
      }
      .fab-support i {
        font-size: 1.1rem;
      }
    }

    /* ===== Responsive Utility ===== */
    @media (max-width: 520px) {
      .article-detail-header h1 {
        font-size: 1.2rem;
      }
      .article-cta-section h2 {
        font-size: 1.2rem;
      }
      .faq-section .faq-header h2 {
        font-size: 1.3rem;
      }
    }

/* roulang page: category1 */
:root {
            --jade-deep: #0A2E1C;
            --jade-forest: #123E25;
            --jade-mid: #1A4D33;
            --jade-soft: #2B5E43;
            --gold-imperial: #FFD700;
            --gold-bright: #FFC94D;
            --gold-pale: #F5E28A;
            --red-lucky: #D32F2F;
            --red-deep: #B71C1C;
            --text-white: #FFFFFF;
            --text-mint: #D1F2EB;
            --text-mint-soft: #B7E6DA;
            --text-muted: #9ABFB0;
            --bg-dark: #072314;
            --border-gold-dim: rgba(255, 215, 0, 0.28);
            --border-gold-bright: rgba(255, 215, 0, 0.55);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 12px rgba(0,0,0,0.28);
            --shadow-md: 0 8px 28px rgba(0,0,0,0.38);
            --shadow-gold: 0 6px 22px rgba(255, 215, 0, 0.22);
            --shadow-gold-strong: 0 8px 32px rgba(255, 215, 0, 0.32);
            --transition: all 0.28s cubic-bezier(0.33, 1, 0.68, 1);
            --transition-quick: all 0.16s ease-out;
        }
        
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        
        body {
            font-family: 'Segoe UI', 'Be Vietnam Pro', 'Roboto', -apple-system, BlinkMacSystemFont, sans-serif;
            font-size: 1rem;
            line-height: 1.65;
            color: var(--text-white);
            background-color: var(--bg-dark);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        
        a {
            color: var(--gold-imperial);
            text-decoration: none;
            transition: var(--transition);
        }
        
        a:hover {
            color: var(--gold-bright);
            text-decoration: none;
        }
        
        button {
            font-family: inherit;
        }
        
        .container {
            max-width: 1200px;
        }
        
        /* ===== Header / Nav ===== */
        .site-header {
            background: linear-gradient(180deg, rgba(7, 35, 20, 0.98) 0%, rgba(10, 46, 28, 0.96) 100%);
            border-bottom: 1px solid var(--border-gold-dim);
            position: sticky;
            top: 0;
            z-index: 1050;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
        }
        
        .navbar-custom {
            padding: 0.6rem 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1.5rem;
            flex-wrap: nowrap;
        }
        
        .brand-logo {
            font-size: 1.3rem;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--text-white);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 0.4rem;
        }
        
        .brand-logo:hover {
            color: var(--text-white);
        }
        
        .brand-logo span {
            color: var(--gold-imperial);
        }
        
        .brand-logo .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: radial-gradient(circle at 35% 30%, #FFE566, #D4AF37 60%, #A8842C);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            color: var(--jade-deep);
            box-shadow: 0 0 0 1px rgba(255, 215, 0, 0.5), 0 2px 12px rgba(255, 215, 0, 0.35);
            flex-shrink: 0;
        }
        
        .main-nav {
            display: flex;
            align-items: center;
            gap: 0.15rem;
        }
        
        .main-nav ul {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 0.15rem;
            margin: 0;
            padding: 0;
        }
        
        .main-nav ul li a {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            padding: 0.5rem 1.05rem;
            font-size: 0.92rem;
            font-weight: 600;
            color: var(--text-mint);
            border-radius: 50px;
            border: 1px solid transparent;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .main-nav ul li a:hover {
            color: var(--gold-imperial);
            background: rgba(255, 215, 0, 0.07);
            border-color: var(--border-gold-dim);
        }
        
        .main-nav ul li.active a {
            color: var(--gold-imperial);
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--border-gold-bright);
            box-shadow: 0 2px 10px rgba(255, 215, 0, 0.15);
        }
        
        .nav-auth-btns {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            flex-shrink: 0;
        }
        
        .btn-login-nav {
            background: transparent;
            border: 1px solid var(--border-gold-bright);
            color: var(--gold-imperial);
            padding: 0.45rem 1.15rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 600;
            transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-login-nav:hover {
            background: rgba(255, 215, 0, 0.12);
            border-color: var(--gold-imperial);
            color: var(--gold-bright);
        }
        
        .btn-signup-nav {
            background: linear-gradient(135deg, var(--gold-bright), #E6B800);
            border: none;
            color: var(--jade-deep);
            padding: 0.45rem 1.35rem;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight:             transition: var(--transition);
            white-space: nowrap;
        }
        
        .btn-signup-nav:hover {
            background: linear-gradient(135deg, #FFE066, #F5C400);
            color: var(--jade-deep);
            box-shadow: var(--shadow-gold-strong);
            transform: translateY(-1px);
        }
        
        .btn-signup-nav:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }
        
        .mobile-toggle {
            background: transparent;
            border: 1px solid var(--border-gold-bright);
            color: var(--gold-imperial);
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: none;
            align-items: center;
            justify-content: center;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        
        .mobile-toggle:hover {
            background: rgba(255, 215, 0, 0.1);
        }
        
        .mobile-menu {
            display: none;
            background: rgba(7, 35, 20, 0.98);
            border-bottom: 1px solid var(--border-gold-bright);
            padding: 0.8rem 0;
        }
        
        .mobile-menu ul {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 0.2rem;
            padding: 0;
            margin: 0;
        }
        
        .mobile-menu ul li a {
            display: block;
            padding: 0.65rem 1.2rem;
            color: var(--text-mint);
            font-weight: 600;
            border-radius: 10px;
            transition: var(--transition);
        }
        
        .mobile-menu ul li a:hover {
            background: rgba(255, 215, 0, 0.08);
            color: var(--gold-imperial);
        }
        
        .mobile-menu ul li.active a {
            background: rgba(255, 215, 0, 0.12);
            color: var(--gold-imperial);
            border-left: 3px solid var(--gold-imperial);
        }
        
        /* ===== Hero ===== */
        .hero-category {
            position: relative;
            min-height: 620px;
            display: flex;
            align-items: center;
            background: linear-gradient(130deg, rgba(7, 35, 20, 0.85) 0%, rgba(10, 46, 28, 0.75) 45%, rgba(10, 46, 28, 0.6) 100%), url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
            overflow: hidden;
        }
        
        .hero-category::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 15% 20%, rgba(255, 215, 0, 0.12) 0%, transparent 55%);
            pointer-events: none;
        }
        
        .hero-category::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -80px;
            width: 380px;
            height: 380px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 215, 0, 0.16) 0%, transparent 70%);
            pointer-events: none;
        }
        
        .hero-content {
            position: relative;
            z-index: 2;
            padding: 4.5rem 0 5.5rem;
        }
        
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            background: rgba(255, 215, 0, 0.14);
            border: 1px solid var(--border-gold-bright);
            color: var(--gold-imperial);
            font-size: 0.88rem;
            font-weight: 700;
            padding: 0.45rem 1.1rem;
            border-radius: 50px;
            margin-bottom: 1.5rem;
        }
        
        .hero-title {
            font-size: 3.2rem;
            font-weight: 900;
            line-height: 1.15;
            letter-spacing: -0.03em;
            color: var(--text-white);
            max-width: 860px;
            margin-bottom: 1.4rem;
            text-shadow: 0 2px 24px rgba(0,0,0,0.6);
        }
        
        .hero-title em {
            font-style: normal;
            color: var(--gold-imperial);
            text-shadow: 0 0 28px rgba(255, 215, 0, 0.45);
        }
        
        .hero-subtitle {
            font-size: 1.18rem;
            line-height: 1.7;
            color: var(--text-mint);
            max-width: 720px;
            margin-bottom: 2.2rem;
        }
        
        .hero-actions {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 1rem;
        }
        
        .btn-gold {
            background: linear-gradient(135deg, var(--gold-bright), #E6B800);
            color: var(--jade-deep);
            font-weight: 800;
            padding: 0.85rem 1.9rem;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            transition: var(--transition);
            box-shadow: var(--shadow-gold-strong);
        }
        
        .btn-gold:hover {
            background: linear-gradient(135deg, #FFE066, #F5C400);
            color: var(--jade-deep);
            transform: translateY(-2px);
            box-shadow: 0 10px 36px rgba(255, 215, 0, 0.45);
        }
        
        .btn-gold:active {
            transform: translateY(0);
            box-shadow: var(--shadow-gold);
        }
        
        .btn-outline-gold {
            background: transparent;
            border: 2px solid var(--border-gold-bright);
            color: var(--gold-imperial);
            font-weight: 700;
            padding: 0.78rem 1.8rem;
            border-radius: 50px;
            font-size: 1rem;
            transition: var(--transition);
        }
        
        .btn-outline-gold:hover {
            background: rgba(255, 215, 0, 0.1);
            color: var(--gold-bright);
            border-color: var(--gold-imperial);
        }
        
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 2.5rem;
            margin-top: 2.8rem;
        }
        
        .hero-stat-item {
            display: flex;
            flex-direction: column;
        }
        
        .hero-stat-value {
            font-size: 1.9rem;
            font-weight: 800;
            color: var(--gold-imperial);
            line-height: 1.1;
        }
        
        .hero-stat-label {
            font-size: 0.85rem;
            color: var(--text-mint-soft);
            font-weight: 500;
        }
        
        /* ===== Main Section Base ===== */
        .section-padding {
            padding: 5rem 0;
        }
        
        .section-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 1.5rem;
            margin-bottom: 2.8rem;
            flex-wrap: wrap;
        }
        
        .section-header .section-eyebrow {
            font-size: 0.9rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--gold-imperial);
            text-transform: uppercase;
            margin-bottom: 0.4rem;
            display: block;
        }
        
        .section-header h2 {
            font-size: 2.2rem;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-white);
            margin: 0;
        }
        
        .section-header p {
            font-size: 1.03rem;
            color: var(--text-mint);
            max-width: 620px;
            line-height: 1.7;
        }
        
        /* ===== Asymmetric Split ===== */
        .split-block {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 3.5rem;
            align-items: center;
        }
        
        .split-block.reverse {
            grid-template-columns: 1.1fr 1fr;
        }
        
        .split-visual {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--border-gold-dim);
        }
        
        .split-visual img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        
        .split-visual::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 55%, rgba(7,35,20,0.7));
            pointer-events: none;
        }
        
        .split-text h3 {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 1rem;
        }
        
        .split-text p {
            color: var(--text-mint);
            line-height: 1.75;
            margin-bottom: 1.2rem;
        }
        
        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 0.75rem;
            padding: 0.55rem 0;
            color: var(--text-mint);
            font-weight: 500;
            border-bottom: 1px solid rgba(255,255,255,0.06);
        }
        
        .feature-list li:last-child {
            border-bottom: none;
        }
        
        .feature-list li i {
            color: var(--gold-imperial);
            font-size: 1.1rem;
            margin-top: 0.2rem;
        }
        
        /* ===== Value Props ===== */
        .value-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.8rem;
        }
        
        .value-item {
            background: linear-gradient(160deg, var(--jade-forest), var(--jade-deep));
            border: 1px solid var(--border-gold-dim);
            border-radius: var(--radius-md);
            padding: 1.8rem 1.5rem;
            transition: var(--transition);
        }
        
        .value-item:hover {
            border-color: var(--border-gold-bright);
            box-shadow: var(--shadow-gold);
            transform: translateY(-5px);
        }
        
        .value-icon {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: radial-gradient(circle at 30% 25%, rgba(255,215,0,0.2), rgba(255,215,0,0.05));
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            color: var(--gold-imperial);
            margin-bottom: 1.2rem;
            border: 1px solid var(--border-gold-dim);
        }
        
        .value-item h4 {
            font-size: 1.2rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        
        .value-item p {
            font-size: 0.92rem;
            color: var(--text-mint-soft);
            line-height: 1.65;
        }
        
        /* ===== Process Steps ===== */
        .process-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 2rem;
            position: relative;
        }
        
        .process-grid::before {
            content: '';
            position: absolute;
            top: 42px;
            left: 10%;
            right: 10%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--gold-imperial), transparent);
            opacity: 0.35;
        }
        
        .process-step {
            text-align: left;
            position: relative;
            z-index: 2;
        }
        
        .step-number {
            width: 84px;
            height: 84px;
            border-radius: 24px;
            background: linear-gradient(145deg, var(--jade-mid), var(--jade-forest));
            border: 1px solid var(--border-gold-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2rem;
            font-weight: 900;
            color: var(--gold-imperial);
            margin-bottom: 1.2rem;
            box-shadow: var(--shadow-gold);
        }
        
        .process-step h4 {
            font-size: 1.25rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        
        .process-step p {
            color: var(--text-mint);
            font-size: 0.95rem;
            line-height: 1.65;
        }
        
        /* ===== Security Banner ===== */
        .security-band {
            background: linear-gradient(135deg, rgba(211,47,47,0.08), rgba(255,215,0,0.04));
            border: 1px solid var(--border-gold-dim);
            border-radius: var(--radius-lg);
            padding: 2.5rem;
            display: flex;
            align-items: center;
            gap: 2.5rem;
            flex-wrap: wrap;
        }
        
        .security-icon-lg {
            width: 90px;
            height: 90px;
            border-radius: 28px;
            background: radial-gradient(circle at 35% 30%, rgba(255,215,0,0.25), rgba(255,215,0,0.05));
            border: 2px solid var(--border-gold-bright);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 2.5rem;
            color: var(--gold-imperial);
            flex-shrink: 0;
        }
        
        .security-text h3 {
            font-size: 1.7rem;
            font-weight: 800;
            color: var(--text-white);
            margin-bottom: 0.8rem;
        }
        
        .security-text p {
            color: var(--text-mint);
            margin-bottom: 0.4rem;
        }
        
        /* ===== FAQ ===== */
        .faq-list {
            max-width: 900px;
            margin: 0 auto;
        }
        
        .faq-item {
            background: linear-gradient(160deg, var(--jade-forest), var(--jade-deep));
            border: 1px solid var(--border-gold-dim);
            border-radius: var(--radius-md);
            margin-bottom: 1rem;
            overflow: hidden;
            transition: var(--transition);
        }
        
        .faq-item:hover {
            border-color: var(--border-gold-bright);
        }
        
        .faq-item .accordion-button {
            background: transparent;
            color: var(--text-white);
            font-weight: 700;
            font-size: 1.05rem;
            padding: 1.2rem 1.5rem;
            box-shadow: none;
        }
        
        .faq-item .accordion-button:not(.collapsed) {
            background: transparent;
            color: var(--gold-imperial);
            box-shadow: none;
        }
        
        .faq-item .accordion-button:focus {
            box-shadow: none;
            border-color: var(--border-gold-bright);
        }
        
        .faq-item .accordion-button::after {
            filter: invert(1) sepia(1) saturate(3) hue-rotate(15deg);
        }
        
        .faq-item .accordion-body {
            color: var(--text-mint);
            padding: 0 1.5rem 1.3rem;
            line-height: 1.7;
        }
        
        /* ===== CTA Section ===== */
        .cta-section {
            position: relative;
            background: linear-gradient(125deg, var(--jade-deep), var(--jade-forest));
            border-top: 1px solid var(--border-gold-bright);
            border-bottom: 1px solid var(--border-gold-bright);
            padding: 4rem 0;
            overflow: hidden;
        }
        
        .cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -10%;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255,215,0,0.12) 0%, transparent 65%);
        }
        
        .cta-content {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 2rem;
            flex-wrap: wrap;
        }
        
        .cta-content h3 {
            font-size: 2rem;
            font-weight: 900;
            color: var(--text-white);
            margin-bottom: 0.6rem;
        }
        
        .cta-content p {
            color: var(--text-mint);
            font-size: 1.1rem;
            max-width: 600px;
        }
        
        /* ===== Footer ===== */
        .site-footer {
            background: #04180E;
            border-top: 1px solid rgba(255,215,0,0.2);
            padding: 4rem 0 1.5rem;
        }
        
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 3rem;
            margin-bottom: 2.5rem;
        }
        
        .footer-brand .brand {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--text-white);
            display: inline-block;
            margin-bottom: 0.8rem;
        }
        
        .footer-brand .brand span {
            color: var(--gold-imperial);
        }
        
        .footer-brand p {
            color: var(--text-mint-soft);
            font-size: 0.9rem;
            line-height: 1.65;
            max-width: 380px;
        }
        
        .footer-col h5 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--gold-imperial);
            margin-bottom: 1rem;
        }
        
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        
        .footer-col ul li {
            margin-bottom: 0.5rem;
        }
        
        .footer-col ul li a {
            color: var(--text-mint);
            font-size: 0.9rem;
            transition: var(--transition);
        }
        
        .footer-col ul li a:hover {
            color: var(--gold-imperial);
        }
        
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.5rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 0.8rem;
            font-size: 0.85rem;
            color: var(--text-muted);
        }
        
        .footer-warning {
            display: inline-flex;
            align-items: center;
            gap: 0.35rem;
            color: var(--gold-pale);
        }
        
        /* ===== Floating Action Button ===== */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 1040;
            width: 58px;
            height: 58px;
            border-radius: 50%;
            background: linear-gradient(145deg, #163B27, #0A2E1C);
            border: 2px solid var(--gold-imperial);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.4rem;
            color: var(--gold-imperial);
            box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
            cursor: pointer;
            transition: var(--transition);
            opacity: 0.7;
            animation: fab-pulse 2.8s ease-in-out infinite;
        }
        
        .fab-left:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 8px 28px rgba(255, 215, 0, 0.5);
        }
        
        .fab-left:active {
            transform: scale(0.95) translateY(2px);
        }
        
        .fab-notification {
            position: absolute;
            top: 4px;
            right: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: #FF3B3B;
            border: 2px solid var(--jade-deep);
            box-shadow: 0 0 0 2px rgba(255, 59, 59, 0.35);
        }
        
        @keyframes fab-pulse {
            0%, 100% { transform: translateY(0); }
            50% { transform: translateY(-5px); }
        }
        
        /* ===== Bottom Fixed CTA Bar (Landing conversion) ===== */
        .bottom-cta-bar {
            position: fixed;
            left: 0;
            right: 0;
            bottom: 0;
            z-index: 1030;
            background: linear-gradient(0deg, rgba(7,35,20,0.98) 0%, rgba(10,46,28,0.92) 100%);
            border-top: 1px solid var(--border-gold-bright);
            padding: 0.75rem 0;
            display: none;
            backdrop-filter: blur(12px);
        }
        
        .bottom-cta-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
        }
        
        .bottom-cta-bar p {
            margin: 0;
            color: var(--text-mint);
            font-weight: 600;
            font-size: 0.95rem;
        }
        
        .bottom-cta-bar .btn-gold {
            padding: 0.5rem 1.4rem;
            font-size: 0.9rem;
        }
        
        @media (max-width: 991.98px) {
            .main-nav {
                display: none !important;
            }
            .mobile-toggle {
                display: inline-flex;
            }
            .nav-auth-btns .btn-login-nav,
            .nav-auth-btns .btn-signup-nav {
                padding: 0.4rem 1rem;
            }
            .hero-title {
                font-size: 2.4rem;
            }
            .value-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 2rem;
            }
        }
        
        @media (max-width: 767.98px) {
            .split-block,
            .split-block.reverse {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .process-grid::before {
                display: none;
            }
            .hero-category {
                min-height: auto;
            }
            .hero-content {
                padding: 3.2rem 0 4rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-stats {
                gap: 1.5rem;
            }
            .section-padding {
                padding: 3.5rem 0;
            }
            .section-header h2 {
                font-size: 1.8rem;
            }
            .security-band {
                flex-direction: column;
                align-items: flex-start;
                padding: 1.8rem;
            }
            .cta-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 1.8rem;
            }
        }
        
        @media (max-width: 575.98px) {
            .nav-auth-btns .btn-login-nav {
                padding: 0.35rem 0.8rem;
                font-size: 0.78rem;
            }
            .nav-auth-btns .btn-signup-nav {
                padding: 0.35rem 0.9rem;
                font-size: 0.78rem;
            }
            .value-grid {
                grid-template-columns: 1fr;
            }
            .hero-title {
                font-size: 1.7rem;
            }
            .hero-subtitle {
                font-size: 1rem;
            }
            .hero-actions {
                gap: 0.6rem;
            }
            .btn-gold,
            .btn-outline-gold {
                padding: 0.7rem 1.2rem;
                font-size: 0.9rem;
                width: 100%;
                text-align: center;
            }
        }

/* roulang page: category2 */
/* ============================================================
       DESIGN TOKENS — Style A: Lucky Gold & Emerald Jade
       ============================================================ */
    :root {
      --jade-deep: #0A2E1C;
      --jade-forest: #123E25;
      --jade-dark: #061F13;
      --jade-leaf: #17402A;
      --gold-imperial: #FFD700;
      --gold-amber: #FFBF00;
      --gold-pale: #FEF08A;
      --gold-soft: #E8C766;
      --red-lucky: #D32F2F;
      --red-dark: #8B1A1A;
      --white: #FFFFFF;
      --mint-pale: #D1F2EB;
      --mint-soft: #A8DFCF;
      --text-dark: #16281E;
      --text-mid: #3E5B4D;
      --text-gray: #6C8296;
      --bg-cream: #FAFBF7;
      --bg-mint-light: #EEF7F2;
      --border-gold-glow: rgba(255, 215, 0, 0.35);
      --border-jade: rgba(18, 62, 37, 0.14);
      --shadow-sm: 0 2px 8px rgba(6, 31, 19, 0.06);
      --shadow-md: 0 8px 28px rgba(6, 31, 19, 0.1);
      --shadow-gold: 0 8px 30px rgba(255, 215, 0, 0.18);
      --shadow-red: 0 6px 20px rgba(211, 47, 47, 0.22);
      --radius-sm: 8px;
      --radius-md: 14px;
      --radius-lg: 22px;
      --radius-xl: 30px;
      --font-sans: 'Inter', 'Be Vietnam Pro', system-ui, -apple-system, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
      --container-lg: 1160px;
      --header-height: 72px;
      --bottom-bar-height: 70px;
    }

    /* ============================================================
       BASE RESET & LAYOUT
       ============================================================ */
    * {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-text-size-adjust: 100%;
    }

    body {
      font-family: var(--font-sans);
      background-color: var(--bg-cream);
      color: var(--text-dark);
      line-height: 1.65;
      font-size: 16px;
      padding-bottom: var(--bottom-bar-height);
      overflow-x: hidden;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color 0.25s ease, opacity 0.25s ease;
    }

    a:hover { color: var(--jade-deep); }

    button {
      cursor: pointer;
      font-family: var(--font-sans);
      border: none;
      background: none;
    }

    .container {
      max-width: var(--container-lg);
      width: 100%;
      margin: 0 auto;
      padding-left: 24px;
      padding-right: 24px;
    }

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

    /* ============================================================
       HEADER / NAVIGATION
       ============================================================ */
    .site-header {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(10, 46, 28, 0.96);
      backdrop-filter: blur(14px);
      -webkit-backdrop-filter: blur(14px);
      border-bottom: 1px solid rgba(255, 215, 0, 0.16);
      box-shadow: 0 4px 18px rgba(0, 0, 0, 0.08);
    }

    .site-header .container {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: var(--header-height);
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      font-weight: 800;
      font-size: 20px;
      letter-spacing: -0.01em;
      color: var(--white);
      white-space: nowrap;
    }

    .brand span {
      color: var(--gold-imperial);
      font-weight: 800;
    }

    .main-nav {
      display: flex;
      align-items: center;
    }

    .main-nav ul {
      display: flex;
      align-items: center;
      gap: 28px;
      list-style: none;
      margin: 0;
      padding: 0;
    }

    .main-nav a {
      color: rgba(255, 255, 255, 0.82);
      font-weight: 600;
      font-size: 15px;
      position: relative;
      padding: 4px 0;
      transition: color 0.25s ease;
    }

    .main-nav a:hover,
    .main-nav a:focus-visible {
      color: var(--gold-imperial);
    }

    .main-nav a.active {
      color: var(--gold-imperial);
    }

    .main-nav a.active::after {
      content: "";
      position: absolute;
      left: 0;
      bottom: -4px;
      width: 100%;
      height: 2px;
      background: var(--gold-imperial);
      border-radius: 2px;
    }

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

    .btn-login {
      color: var(--white);
      font-weight: 700;
      font-size: 14px;
      padding: 8px 12px;
      border-radius: 6px;
      background: transparent;
      transition: background 0.25s ease, color 0.25s ease;
    }

    .btn-login:hover {
      background: rgba(255, 255, 255, 0.12);
      color: var(--gold-imperial);
    }

    .btn-signup {
      background: var(--gold-imperial);
      color: var(--jade-deep) !important;
      font-weight: 800;
      font-size: 14px;
      padding: 9px 18px;
      border-radius: 8px;
      box-shadow: 0 4px 12px rgba(255, 215, 0, 0.25);
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
    }

    .btn-signup:hover {
      background: var(--gold-pale);
      transform: translateY(-2px);
      box-shadow: 0 8px 18px rgba(255, 215, 0, 0.35);
      color: var(--jade-deep) !important;
    }

    .mobile-toggle {
      display: none;
      font-size: 24px;
      color: var(--white);
      background: transparent;
      border: none;
      padding: 6px;
      line-height: 1;
    }

    /* Mobile nav panel */
    .mobile-nav {
      background: var(--jade-deep);
      border-top: 1px solid rgba(255, 215, 0, 0.2);
      padding: 12px 0 16px;
    }

    .mobile-nav ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 4px;
    }

    .mobile-nav a {
      display: block;
      color: var(--white);
      font-weight: 600;
      padding: 12px 24px;
      font-size: 16px;
      border-radius: 0;
    }

    .mobile-nav a.active {
      color: var(--gold-imperial);
      background: rgba(255, 215, 0, 0.08);
    }

    .mobile-nav .mobile-actions {
      display: flex;
      gap: 10px;
      padding: 12px 24px 0;
    }

    .mobile-nav .mobile-actions .btn-login,
    .mobile-nav .mobile-actions .btn-signup {
      flex: 1;
      text-align: center;
    }

    /* ============================================================
       HERO
       ============================================================ */
    .page-hero {
      position: relative;
      background: url('/assets/images/backpic/back-1.jpg') center center / cover no-repeat;
      min-height: 640px;
      display: flex;
      align-items: center;
      color: var(--white);
      overflow: hidden;
      isolation: isolate;
    }

    .page-hero::before {
      content: "";
      position: absolute;
      inset: 0;
      background: linear-gradient(120deg, rgba(6, 31, 19, 0.96) 0%, rgba(10, 46, 28, 0.92) 45%, rgba(10, 46, 28, 0.78) 100%);
      z-index: -1;
    }

    .page-hero .container {
      padding-top: 52px;
      padding-bottom: 52px;
    }

    .hero-grid {
      display: grid;
      grid-template-columns: 1.1fr 0.9fr;
      gap: 48px;
      align-items: center;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 215, 0, 0.14);
      border: 1px solid rgba(255, 215, 0, 0.35);
      color: var(--gold-pale);
      font-weight: 600;
      font-size: 13px;
      padding: 6px 14px;
      border-radius: 100px;
      margin-bottom: 20px;
    }

    .hero-badge i {
      color: var(--gold-imperial);
    }

    .page-hero h1 {
      font-size: clamp(32px, 4.2vw, 48px);
      line-height: 1.2;
      font-weight: 800;
      letter-spacing: -0.02em;
      margin-bottom: 16px;
      color: var(--white);
    }

    .page-hero h1 .gold {
      color: var(--gold-imperial);
    }

    .hero-lead {
      font-size: 18px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.78);
      max-width: 520px;
      margin-bottom: 28px;
    }

    .hero-stats {
      display: flex;
      flex-wrap: wrap;
      gap: 32px;
      margin-top: 28px;
    }

    .hero-stat {
      display: flex;
      align-items: center;
      gap: 12px;
    }

    .hero-stat-icon {
      width: 44px;
      height: 44px;
      border-radius: 12px;
      background: rgba(255, 215, 0, 0.16);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gold-imperial);
      font-size: 20px;
    }

    .hero-stat strong {
      display: block;
      font-size: 22px;
      font-weight: 800;
      color: var(--white);
      line-height: 1.2;
    }

    .hero-stat span {
      font-size: 13px;
      color: rgba(255, 255, 255, 0.65);
    }

    .hero-form-card {
      background: rgba(255, 255, 255, 0.98);
      border-radius: var(--radius-lg);
      padding: 28px;
      box-shadow: 0 30px 60px rgba(0, 0, 0, 0.24);
      color: var(--text-dark);
      margin-left: auto;
      max-width: 400px;
      width: 100%;
    }

    .hero-form-card h3 {
      font-size: 20px;
      font-weight: 800;
      color: var(--jade-deep);
      margin-bottom: 8px;
    }

    .hero-form-card p {
      font-size: 14px;
      color: var(--text-gray);
      margin-bottom: 20px;
    }

    .hero-form-card label {
      display: block;
      font-size: 13px;
      font-weight: 600;
      color: var(--jade-deep);
      margin-bottom: 6px;
    }

    .hero-form-card .form-control {
      background: #F1F7F4;
      border: 1px solid #D7E6DE;
      border-radius: 8px;
      padding: 10px 14px;
      font-size: 14px;
      color: var(--text-dark);
    }

    .hero-form-card .form-control:focus {
      border-color: var(--jade-deep);
      box-shadow: 0 0 0 0.2rem rgba(10, 46, 28, 0.12);
    }

    .hero-form-card .btn-gold {
      width: 100%;
      margin-top: 16px;
    }

    /* ============================================================
       GENERIC SECTION STYLES
       ============================================================ */
    .page-section {
      padding: 72px 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      font-weight: 700;
      font-size: 13px;
      text-transform: uppercase;
      letter-spacing: 0.08em;
      color: var(--jade-deep);
      background: var(--bg-mint-light);
      padding: 6px 14px;
      border-radius: 100px;
      margin-bottom: 14px;
    }

    .section-title {
      font-size: clamp(26px, 3vw, 34px);
      font-weight: 800;
      letter-spacing: -0.01em;
      color: var(--jade-deep);
      line-height: 1.25;
      margin-bottom: 12px;
    }

    .section-lead {
      font-size: 17px;
      color: var(--text-mid);
      max-width: 720px;
      line-height: 1.7;
    }

    /* ============================================================
       FEATURE / ASYMMETRIC BLOCKS
       ============================================================ */
    .feature-block {
      display: grid;
      grid-template-columns: 1fr 1fr;
      gap: 40px;
      align-items: center;
      margin-bottom: 64px;
    }

    .feature-block.reverse {
      direction: rtl;
    }

    .feature-block.reverse > * {
      direction: ltr;
    }

    .feature-content {
      max-width: 520px;
    }

    .feature-content .section-label {
      background: rgba(255, 215, 0, 0.15);
      color: #B8860B;
    }

    .feature-content h2 {
      font-size: clamp(24px, 2.8vw, 30px);
      font-weight: 800;
      color: var(--jade-deep);
      margin-bottom: 14px;
    }

    .feature-content p {
      color: var(--text-mid);
      line-height: 1.7;
      margin-bottom: 18px;
    }

    .feature-list {
      list-style: none;
      margin: 0 0 20px;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 12px;
    }

    .feature-list li {
      display: flex;
      gap: 10px;
      align-items: flex-start;
      color: var(--text-dark);
      font-weight: 500;
    }

    .feature-list li i {
      color: var(--jade-deep);
      font-size: 18px;
      margin-top: 2px;
    }

    .feature-img {
      border-radius: var(--radius-lg);
      overflow: hidden;
      box-shadow: var(--shadow-md);
      border: 1px solid rgba(0, 0, 0, 0.04);
    }

    .feature-img img {
      width: 100%;
      height: 320px;
      object-fit: cover;
    }

    /* ============================================================
       STEP TIMELINE
       ============================================================ */
    .timeline-steps {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 18px;
      margin-top: 38px;
    }

    .timeline-step {
      background: #FFFFFF;
      border: 1px solid var(--border-jade);
      border-radius: var(--radius-md);
      padding: 24px 20px;
      position: relative;
      transition: transform 0.25s ease, box-shadow 0.25s ease;
    }

    .timeline-step:hover {
      transform: translateY(-4px);
      box-shadow: var(--shadow-md);
    }

    .timeline-step .step-num {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: var(--jade-deep);
      color: var(--gold-imperial);
      font-weight: 800;
      font-size: 16px;
      margin-bottom: 16px;
    }

    .timeline-step h4 {
      font-size: 17px;
      font-weight: 800;
      color: var(--jade-deep);
      margin-bottom: 8px;
    }

    .timeline-step p {
      font-size: 14px;
      color: var(--text-mid);
      line-height: 1.6;
      margin: 0;
    }

    /* ============================================================
       TESTIMONIALS / SOCIAL PROOF
       ============================================================ */
    .proof-grid {
      display: grid;
      grid-template-columns: repeat(3, 1fr);
      gap: 20px;
    }

    .proof-card {
      background: #FFFFFF;
      border: 1px solid rgba(10, 46, 28, 0.1);
      border-radius: var(--radius-md);
      padding: 22px;
      transition: box-shadow 0.25s ease;
    }

    .proof-card:hover {
      box-shadow: var(--shadow-sm);
    }

    .proof-card .stars {
      color: var(--gold-imperial);
      font-size: 14px;
      letter-spacing: 1px;
      margin-bottom: 10px;
    }

    .proof-card blockquote {
      font-size: 15px;
      color: var(--text-dark);
      line-height: 1.6;
      margin: 0 0 12px;
    }

    .proof-card .proof-meta {
      display: flex;
      align-items: center;
      gap: 10px;
      font-size: 13px;
      color: var(--text-gray);
    }

    .proof-card .proof-meta i {
      color: var(--jade-deep);
    }

    /* ============================================================
       PAYMENT LOGOS
       ============================================================ */
    .payment-strip {
      display: flex;
      flex-wrap: wrap;
      gap: 12px;
      align-items: center;
      justify-content: flex-start;
      margin: 18px 0;
    }

    .payment-badge {
      background: #FFFFFF;
      border: 1px solid #E2EDE6;
      border-radius: 10px;
      padding: 10px 16px;
      font-size: 14px;
      font-weight: 700;
      color: var(--jade-deep);
      display: inline-flex;
      align-items: center;
      gap: 8px;
      transition: transform 0.2s ease;
    }

    .payment-badge:hover {
      transform: translateY(-2px);
      border-color: var(--gold-imperial);
    }

    /* ============================================================
       FAQ
       ============================================================ */
    .faq-wrapper {
      margin-top: 30px;
      max-width: 800px;
    }

    .accordion {
      --bs-accordion-bg: #FFFFFF;
      --bs-accordion-border-color: rgba(10, 46, 28, 0.14);
      --bs-accordion-btn-bg: #FFFFFF;
      --bs-accordion-active-bg: #F4FBF7;
      --bs-accordion-btn-color: var(--jade-deep);
      --bs-accordion-active-color: var(--jade-deep);
      --bs-accordion-btn-focus-box-shadow: none;
    }

    .accordion-button {
      font-weight: 700;
      font-size: 16px;
      padding: 18px 20px;
    }

    .accordion-button:not(.collapsed) {
      background-color: #F4FBF7;
      border-left: 4px solid var(--gold-imperial);
    }

    .accordion-body {
      font-size: 15px;
      color: var(--text-mid);
      line-height: 1.7;
      padding: 16px 20px 20px;
    }

    /* ============================================================
       BOTTOM CONVERSION BAR
       ============================================================ */
    .bottom-conversion {
      position: fixed;
      left: 0;
      right: 0;
      bottom: 0;
      z-index: 1040;
      background: rgba(10, 46, 28, 0.97);
      backdrop-filter: blur(10px);
      border-top: 1px solid rgba(255, 215, 0, 0.25);
      padding: 10px 16px;
      box-shadow: 0 -6px 20px rgba(0, 0, 0, 0.12);
    }

    .bottom-conversion .container {
      display: flex;
      align-items: center;
      gap: 14px;
    }

    .bottom-conv-text {
      flex: 1;
      color: var(--white);
      font-weight: 600;
      font-size: 14px;
    }

    .bottom-conv-text strong {
      color: var(--gold-imperial);
    }

    .bottom-conv-actions {
      display: flex;
      gap: 10px;
    }

    .bottom-conv-actions .btn-outline-light-custom {
      background: transparent;
      border: 1px solid rgba(255, 255, 255, 0.5);
      color: var(--white);
      padding: 8px 16px;
      font-size: 13px;
      font-weight: 700;
      border-radius: 6px;
      white-space: nowrap;
    }

    .bottom-conv-actions .btn-outline-light-custom:hover {
      background: rgba(255, 255, 255, 0.12);
      border-color: var(--white);
    }

    /* ============================================================
       FAB
       ============================================================ */
    .fab-float {
      position: fixed;
      left: 16px;
      bottom: 84px;
      z-index: 1050;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: #0A2E1C;
      border: 2px solid var(--gold-imperial);
      display: flex;
      align-items: center;
      justify-content: center;
      color: var(--gold-imperial);
      font-size: 24px;
      box-shadow: 0 4px 20px rgba(255, 215, 0, 0.3);
      opacity: 0.85;
      transition: opacity 0.25s ease, transform 0.25s ease;
    }

    .fab-float:hover {
      opacity: 1;
      transform: scale(1.1);
      color: var(--gold-pale);
    }

    .fab-float .notification-dot {
      position: absolute;
      top: -2px;
      right: -2px;
      width: 12px;
      height: 12px;
      background: var(--red-lucky);
      border: 2px solid #FFFFFF;
      border-radius: 50%;
      animation: pulse-red 1.8s infinite;
    }

    @keyframes pulse-red {
      0% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0.5); }
      70% { box-shadow: 0 0 0 6px rgba(211, 47, 47, 0); }
      100% { box-shadow: 0 0 0 0 rgba(211, 47, 47, 0); }
    }

    /* ============================================================
       FOOTER
       ============================================================ */
    .site-footer {
      background: var(--jade-dark);
      color: rgba(255, 255, 255, 0.78);
      padding: 52px 0 24px;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr;
      gap: 40px;
      padding-bottom: 30px;
      border-bottom: 1px solid rgba(255, 215, 0, 0.16);
    }

    .footer-brand .brand {
      font-size: 18px;
      margin-bottom: 12px;
      display: block;
    }

    .footer-brand p {
      font-size: 14px;
      line-height: 1.7;
      color: rgba(255, 255, 255, 0.62);
      max-width: 400px;
    }

    .footer-brand .d-flex a {
      color: rgba(255, 255, 255, 0.7);
      transition: color 0.2s ease, transform 0.2s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      width: 36px;
      height: 36px;
      border-radius: 8px;
      border: 1px solid rgba(255, 215, 0, 0.2);
      background: rgba(255, 255, 255, 0.04);
    }

    .footer-brand .d-flex a:hover {
      color: var(--gold-imperial);
      transform: translateY(-3px);
    }

    .footer-col h5 {
      color: var(--gold-imperial);
      font-size: 14px;
      font-weight: 800;
      letter-spacing: 0.04em;
      margin-bottom: 16px;
    }

    .footer-col ul {
      list-style: none;
      margin: 0;
      padding: 0;
      display: flex;
      flex-direction: column;
      gap: 10px;
    }

    .footer-col a {
      color: rgba(255, 255, 255, 0.7);
      font-size: 14px;
    }

    .footer-col a:hover {
      color: var(--gold-pale);
    }

    .footer-bottom {
      display: flex;
      flex-wrap: wrap;
      justify-content: space-between;
      gap: 16px;
      padding-top: 22px;
      font-size: 13px;
      color: rgba(255, 255, 255, 0.55);
    }

    .footer-warning {
      color: var(--gold-pale);
      font-weight: 600;
    }

    .footer-warning i {
      margin-right: 6px;
    }

    /* ============================================================
       RESPONSIVE
       ============================================================ */
    @media (max-width: 1024px) {
      .hero-grid {
        gap: 30px;
      }
      .timeline-steps {
        grid-template-columns: repeat(2, 1fr);
      }
      .proof-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 768px) {
      .main-nav {
        display: none;
      }
      .mobile-toggle {
        display: inline-block;
      }
      .nav-actions {
        display: flex;
        gap: 8px;
      }
      .nav-actions .btn-login {
        padding: 8px 10px;
        font-size: 13px;
      }
      .nav-actions .btn-signup {
        padding: 9px 14px;
        font-size: 13px;
      }
      .hero-grid {
        grid-template-columns: 1fr;
        gap: 36px;
      }
      .hero-form-card {
        margin-left: 0;
        max-width: 100%;
      }
      .feature-block {
        grid-template-columns: 1fr;
        gap: 24px;
        margin-bottom: 44px;
      }
      .feature-block.reverse {
        direction: ltr;
      }
      .timeline-steps {
        grid-template-columns: 1fr;
        gap: 14px;
      }
      .proof-grid {
        grid-template-columns: 1fr;
      }
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
      .page-section {
        padding: 52px 0;
      }
      .bottom-conversion .container {
        flex-direction: column;
        align-items: stretch;
        gap: 8px;
      }
      .bottom-conversion {
        padding: 10px 12px;
      }
      .bottom-conv-text {
        font-size: 13px;
        text-align: center;
      }
      .bottom-conv-actions {
        justify-content: center;
      }
    }

    @media (max-width: 520px) {
      .hero-stat {
        flex-direction: column;
        align-items: flex-start;
        gap: 6px;
      }
      .hero-stat-icon {
        width: 36px;
        height: 36px;
        font-size: 18px;
      }
      .hero-stat strong {
        font-size: 18px;
      }
      .page-hero {
        min-height: auto;
        padding: 42px 0 32px;
      }
      .section-title {
        font-size: 24px;
      }
      .feature-img img {
        height: 220px;
      }
      .btn-signup {
        padding: 8px 12px;
        font-size: 13px;
      }
    }

    /* ============================================================
       BUTTON VARIANTS
       ============================================================ */
    .btn-gold {
      background: var(--gold-imperial);
      color: var(--jade-deep);
      font-weight: 800;
      font-size: 15px;
      padding: 12px 24px;
      border-radius: 8px;
      transition: transform 0.2s ease, box-shadow 0.2s ease, background 0.2s ease;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
      border: none;
    }

    .btn-gold:hover {
      background: var(--gold-pale);
      color: var(--jade-deep);
      transform: translateY(-2px);
      box-shadow: var(--shadow-gold);
    }

    .btn-outline-gold {
      background: transparent;
      border: 1px solid var(--gold-imperial);
      color: var(--jade-deep);
      font-weight: 700;
      font-size: 14px;
      padding: 10px 20px;
      border-radius: 8px;
      transition: background 0.2s ease, color 0.2s ease;
    }

    .btn-outline-gold:hover {
      background: var(--gold-imperial);
      color: var(--jade-deep);
    }

    .btn-jade {
      background: var(--jade-deep);
      color: var(--white);
      font-weight: 700;
      font-size: 15px;
      padding: 12px 24px;
      border-radius: 8px;
      transition: background 0.2s ease, transform 0.2s ease;
    }

    .btn-jade:hover {
      background: var(--jade-forest);
      color: var(--white);
      transform: translateY(-1px);
    }