/* roulang page: index */
@import url('/assets/css/vendor/9723b7396f-css2.css');
    :root {
      --bg-deep: #0B1A30;
      --bg-card: rgba(15, 30, 55, 0.75);
      --accent-cyan: #00F0FF;
      --accent-lime: #CCFF00;
      --text-primary: #FFFFFF;
      --text-secondary: #A6ACAF;
      --text-accent: #CCFF00;
      --border-neon: rgba(0,240,255,0.4);
      --shadow-neon: 0 0 20px rgba(0,240,255,0.35);
      --shadow-lime: 0 0 15px rgba(204,255,0,0.4);
      --radius-lg: 1.5rem;
      --radius-md: 1rem;
      --radius-sm: 0.75rem;
      --glass-bg: rgba(11, 26, 48, 0.65);
      --glass-border: rgba(0, 240, 255, 0.25);
    }
    * { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; font-size: 16px; }
    body {
      font-family: 'Be Vietnam Pro', 'Inter', sans-serif;
      background-color: var(--bg-deep);
      color: var(--text-primary);
      line-height: 1.6;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
      background-image: radial-gradient(circle at 10% 20%, rgba(0,240,255,0.06) 0%, transparent 40%), radial-gradient(circle at 85% 70%, rgba(204,255,0,0.04) 0%, transparent 45%);
      background-attachment: fixed;
    }
    a { text-decoration: none; color: inherit; transition: all 0.25s ease; }
    img { max-width: 100%; height: auto; display: block; }
    button, .btn { cursor: pointer; font-family: inherit; border: none; outline: none; transition: all 0.25s ease; }
    .container { max-width: 1280px; margin: 0 auto; padding: 0 1.5rem; }
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(16px);
      -webkit-backdrop-filter: blur(16px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      box-shadow: 0 8px 32px rgba(0,0,0,0.45);
    }
    .neon-border-hover:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-neon); }
    .btn-primary {
      background: linear-gradient(135deg, #00F0FF 0%, #0088CC 100%);
      color: #0B1A30;
      font-weight: 700;
      padding: 0.85rem 2.2rem;
      border-radius: 3rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      letter-spacing: 0.02em;
      box-shadow: 0 8px 22px rgba(0,240,255,0.45);
      transition: all 0.3s cubic-bezier(0.23, 1, 0.32, 1);
    }
    .btn-primary:hover { transform: translateY(-3px); box-shadow: 0 14px 28px rgba(0,240,255,0.65); filter: brightness(1.1); }
    .btn-primary:active { transform: translateY(1px); box-shadow: 0 4px 12px rgba(0,240,255,0.5); }
    .btn-secondary {
      background: transparent;
      border: 2px solid var(--accent-cyan);
      color: var(--accent-cyan);
      font-weight: 700;
      padding: 0.8rem 2rem;
      border-radius: 3rem;
      display: inline-flex;
      align-items: center;
      gap: 0.5rem;
      backdrop-filter: blur(8px);
    }
    .btn-secondary:hover { background: rgba(0,240,255,0.12); box-shadow: var(--shadow-neon); transform: translateY(-2px); }
    .text-gradient { background: linear-gradient(135deg, #00F0FF 0%, #CCFF00 80%); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .section-padding { padding: 5rem 0; }
    h2 { font-size: clamp(2rem, 5vw, 2.8rem); line-height: 1.25; font-weight: 800; letter-spacing: -0.01em; }
    h3 { font-size: clamp(1.3rem, 3vw, 1.75rem); font-weight: 700; }
    .subtext { color: var(--text-secondary); font-size: 1.05rem; line-height: 1.7; }
    @media (max-width: 768px) {
      .section-padding { padding: 3.5rem 0; }
      .container { padding: 0 1.25rem; }
    }

/* roulang page: article */
:root {
  --bg-deep: #0F0C20;
  --bg-ocean: #0B1A30;
  --neon-lime: #CCFF00;
  --bright-cyan: #00F0FF;
  --text-white: #FFFFFF;
  --text-silver: #A6ACAF;
  --card-bg: rgba(15, 12, 32, 0.9);
  --border-glow: #00F0FF33;
  --radius-lg: 20px;
  --radius-md: 14px;
  --shadow-neon: 0 0 18px rgba(0, 240, 255, 0.25);
  --shadow-neon-strong: 0 0 28px rgba(0, 240, 255, 0.45);
  --transition-base: all 0.25s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; margin: 0; padding: 0; }
body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: radial-gradient(ellipse at 30% 10%, #1a2a3a 0%, #0B1A30 45%, #0F0C20 100%);
  color: var(--text-white);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
  min-height: 100vh;
  overflow-x: hidden;
}
.container {
  width: 100%;
  max-width: 1260px;
  margin: 0 auto;
  padding: 0 24px;
}
/* Navigation */
header {
  position: sticky;
  top: 0;
  z-index: 50;
  backdrop-filter: blur(16px);
  background: rgba(15, 12, 32, 0.85);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  transition: var(--transition-base);
}
nav a { text-decoration: none; transition: var(--transition-base); }
.nav-logo { font-weight: 800; font-size: 1.25rem; letter-spacing: -0.3px; color: #fff; }
.nav-logo i { color: var(--bright-cyan); margin-right: 6px; }
.btn-signup {
  background: linear-gradient(135deg, #CCFF00 0%, #00F0FF 100%);
  color: #0F0C20;
  font-weight: 700;
  padding: 10px 22px;
  border-radius: 30px;
  font-size: 0.9rem;
  box-shadow: 0 0 18px rgba(204, 255, 0, 0.35);
  transition: var(--transition-base);
}
.btn-signup:hover { transform: scale(1.06); box-shadow: 0 0 28px rgba(204, 255, 0, 0.55); }
.btn-login {
  color: #fff;
  font-weight: 600;
  padding: 8px 18px;
  border-radius: 24px;
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.15);
}
.btn-login:hover { background: rgba(255,255,255,0.18); border-color: var(--bright-cyan); }
/* Article hero */
.article-hero {
  background: linear-gradient(180deg, rgba(0,240,255,0.08) 0%, rgba(15,12,32,0.1) 100%);
  border-bottom: 1px solid rgba(0, 240, 255, 0.15);
  padding: 48px 0 36px;
}
.meta-badge {
  background: rgba(204, 255, 0, 0.15);
  color: #CCFF00;
  font-size: 0.8rem;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 30px;
  display: inline-block;
  letter-spacing: 0.6px;
}
/* content area */
.article-body {
  max-width: 820px;
  margin: 0 auto;
  font-size: 1.1rem;
  line-height: 1.75;
  color: #d6dce2;
}
.article-body h2 {
  font-size: 1.6rem;
  font-weight: 700;
  color: #fff;
  margin: 32px 0 14px;
  border-left: 4px solid var(--bright-cyan);
  padding-left: 18px;
}
.article-body p { margin-bottom: 16px; }
/* cta bottom */
.cta-card {
  background: rgba(0,240,255,0.08);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0,240,255,0.18);
  border-radius: var(--radius-lg);
  padding: 36px;
  text-align: center;
}
.cta-card a {
  display: inline-block;
  background: linear-gradient(135deg, #CCFF00, #00F0FF);
  color: #0F0C20;
  font-weight: 800;
  padding: 14px 32px;
  border-radius: 40px;
  margin-top: 16px;
  box-shadow: var(--shadow-neon);
}
/* Footer */
footer a:hover { color: var(--bright-cyan); }
/* Mobile nav */
.mobile-menu { display: none; }
@media (max-width: 768px) {
  .container { padding: 0 18px; }
  .desktop-nav { display: none; }
  .mobile-menu { display: flex; align-items: center; gap: 12px; }
  .article-body { font-size: 1rem; }
}

/* roulang page: category1 */
/* === DESIGN SYSTEM VARIABLES === */
    :root {
      --primary-bg: #08090F;
      --secondary-bg: #0D111E;
      --surface: #141828;
      --accent-primary: #0052FF;
      --accent-secondary: #00F0FF;
      --accent-glow: rgba(0, 240, 255, 0.5);
      --text-primary: #FFFFFF;
      --text-secondary: #CBD5E1;
      --text-muted: #94A3B8;
      --border-color: rgba(0, 82, 255, 0.3);
      --border-glow: rgba(0, 240, 255, 0.4);
      --radius-sm: 8px;
      --radius-md: 12px;
      --radius-lg: 20px;
      --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.3);
      --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.5);
      --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
      --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
    }

    /* === RESET & BASE === */
    *, *::before, *::after {
      box-sizing: border-box;
      margin: 0;
      padding: 0;
    }

    html {
      scroll-behavior: smooth;
      -webkit-font-smoothing: antialiased;
      -moz-osx-font-smoothing: grayscale;
    }

    body {
      font-family: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
      background-color: var(--primary-bg);
      color: var(--text-primary);
      line-height: 1.6;
      min-height: 100vh;
      overflow-x: hidden;
    }

    img {
      max-width: 100%;
      height: auto;
      display: block;
    }

    a {
      text-decoration: none;
      color: inherit;
    }

    button, input {
      font-family: inherit;
    }

    /* === CONTAINER === */
    .container {
      width: 100%;
      max-width: 1280px;
      margin-left: auto;
      margin-right: auto;
      padding-left: 1.25rem;
      padding-right: 1.25rem;
    }

    @media (min-width: 1024px) {
      .container {
        padding-left: 2rem;
        padding-right: 2rem;
      }
    }

    /* === NAVIGATION === */
    header {
      position: sticky;
      top: 0;
      z-index: 50;
      background: rgba(8, 9, 15, 0.85);
      backdrop-filter: blur(20px);
      -webkit-backdrop-filter: blur(20px);
      border-bottom: 1px solid rgba(0, 82, 255, 0.25);
      transition: background var(--transition-base);
    }

    .nav-link {
      position: relative;
      transition: color var(--transition-fast);
    }

    .nav-link::after {
      content: '';
      position: absolute;
      bottom: -4px;
      left: 50%;
      width: 0;
      height: 2px;
      background: linear-gradient(90deg, var(--accent-primary), var(--accent-secondary));
      transform: translateX(-50%);
      transition: width var(--transition-base);
    }

    .nav-link:hover::after,
    .nav-link.active::after {
      width: 100%;
    }

    .nav-link.active {
      color: var(--accent-secondary);
    }

    .mobile-menu {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, padding 0.3s ease;
    }

    .mobile-menu.open {
      max-height: 400px;
      padding-top: 1rem;
      padding-bottom: 1rem;
    }

    /* === BUTTONS === */
    .btn-primary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.75rem 2rem;
      background: linear-gradient(135deg, #0052FF 0%, #0066FF 50%, #0052FF 100%);
      color: #FFFFFF;
      font-weight: 700;
      border-radius: var(--radius-md);
      border: 1px solid rgba(0, 240, 255, 0.4);
      box-shadow: 0 0 20px rgba(0, 82, 255, 0.4), 0 0 40px rgba(0, 240, 255, 0.15);
      transition: all var(--transition-base);
      text-transform: uppercase;
      letter-spacing: 0.05em;
      cursor: pointer;
    }

    .btn-primary:hover {
      box-shadow: 0 0 30px rgba(0, 82, 255, 0.7), 0 0 60px rgba(0, 240, 255, 0.3);
      transform: translateY(-2px);
      border-color: var(--accent-secondary);
    }

    .btn-primary:active {
      transform: translateY(0) scale(0.98);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
    }

    .btn-secondary {
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 0.5rem;
      padding: 0.7rem 1.8rem;
      background: transparent;
      color: var(--text-primary);
      font-weight: 600;
      border-radius: var(--radius-md);
      border: 1px solid var(--border-color);
      transition: all var(--transition-base);
      cursor: pointer;
    }

    .btn-secondary:hover {
      border-color: var(--accent-secondary);
      color: var(--accent-secondary);
      box-shadow: 0 0 15px rgba(0, 240, 255, 0.2);
    }

    .btn-glass {
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      background: rgba(255, 255, 255, 0.05);
      border: 1px solid rgba(255, 255, 255, 0.1);
    }

    /* === CARDS === */
    .card {
      background: var(--surface);
      border: 1px solid rgba(0, 82, 255, 0.15);
      border-radius: var(--radius-lg);
      padding: 2rem;
      transition: all var(--transition-base);
      position: relative;
      overflow: hidden;
    }

    .card::before {
      content: '';
      position: absolute;
      inset: 0;
      border-radius: inherit;
      background: linear-gradient(135deg, rgba(0, 240, 255, 0.05), transparent, rgba(0, 82, 255, 0.05));
      opacity: 0;
      transition: opacity var(--transition-base);
      pointer-events: none;
    }

    .card:hover::before {
      opacity: 1;
    }

    .card:hover {
      border-color: var(--border-glow);
      box-shadow: var(--shadow-glow);
      transform: translateY(-4px);
    }

    .card-highlight {
      border-color: rgba(0, 240, 255, 0.5);
      box-shadow: 0 0 25px rgba(0, 240, 255, 0.2);
      background: linear-gradient(145deg, #0D111E, #141828);
    }

    /* === BADGES & TAGS === */
    .badge {
      display: inline-flex;
      align-items: center;
      padding: 0.25rem 0.75rem;
      font-size: 0.75rem;
      font-weight: 700;
      text-transform: uppercase;
      letter-spacing: 0.05em;
      border-radius: 9999px;
      white-space: nowrap;
    }

    .badge-hot {
      background: rgba(255, 0, 0, 0.2);
      color: #FF4444;
      border: 1px solid rgba(255, 0, 0, 0.4);
    }

    .badge-new {
      background: rgba(0, 240, 255, 0.15);
      color: #00F0FF;
      border: 1px solid rgba(0, 240, 255, 0.4);
    }

    /* === FAQ === */
    .faq-item {
      border-bottom: 1px solid rgba(255,255,255,0.08);
      padding: 1.25rem 0;
      cursor: pointer;
      transition: all var(--transition-fast);
    }

    .faq-question {
      display: flex;
      justify-content: space-between;
      align-items: center;
      gap: 1rem;
      font-weight: 600;
      font-size: 1.05rem;
      color: var(--text-primary);
    }

    .faq-answer {
      max-height: 0;
      overflow: hidden;
      transition: max-height 0.4s ease, margin 0.3s ease;
      color: var(--text-secondary);
      line-height: 1.7;
    }

    .faq-item.active .faq-answer {
      max-height: 300px;
      margin-top: 0.75rem;
    }

    .faq-item:hover .faq-question {
      color: var(--accent-secondary);
    }

    /* === FAB === */
    .fab-floating {
      position: fixed;
      left: 1rem;
      bottom: 6rem;
      z-index: 50;
      width: 56px;
      height: 56px;
      background: rgba(13, 17, 30, 0.8);
      backdrop-filter: blur(12px);
      -webkit-backdrop-filter: blur(12px);
      border-radius: 50%;
      border: 2px solid transparent;
      background-clip: padding-box;
      display: flex;
      align-items: center;
      justify-content: center;
      box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
      cursor: pointer;
      transition: all var(--transition-base);
      animation: float 3s ease-in-out infinite;
    }

    .fab-floating::before {
      content: '';
      position: absolute;
      inset: -3px;
      border-radius: 50%;
      padding: 3px;
      background: linear-gradient(135deg, #00F0FF, #0052FF, #00F0FF);
      -webkit-mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      mask: linear-gradient(#fff 0 0) content-box, linear-gradient(#fff 0 0);
      -webkit-mask-composite: xor;
      mask-composite: exclude;
      animation: rotate-border 4s linear infinite;
    }

    @keyframes rotate-border {
      from { transform: rotate(0deg); }
      to { transform: rotate(360deg); }
    }

    @keyframes float {
      0%, 100% { transform: translateY(0); }
      50% { transform: translateY(-6px); }
    }

    .fab-floating:hover {
      box-shadow: 0 0 40px rgba(0, 240, 255, 0.7);
      transform: scale(1.1);
    }

    .fab-floating i {
      font-size: 1.6rem;
      color: #00F0FF;
      z-index: 2;
    }

    @media (max-width: 768px) {
      .fab-floating {
        width: 48px;
        height: 48px;
        left: 0.75rem;
        bottom: 5rem;
      }
      .fab-floating i {
        font-size: 1.3rem;
      }
    }

    /* === SECTION STYLES === */
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 0.75rem;
      background: linear-gradient(135deg, #FFFFFF, #CBD5E1);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
    }

    @media (min-width: 768px) {
      .section-title {
        font-size: 2.5rem;
      }
    }

    /* === RESPONSIVE === */
    @media (max-width: 1024px) {
      .card {
        padding: 1.5rem;
      }
    }

    @media (max-width: 768px) {
      .container {
        padding-left: 1rem;
        padding-right: 1rem;
      }
      .section-title {
        font-size: 1.75rem;
      }
    }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.7);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFB800;
            --accent-green: #00E676;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-color: rgba(0, 240, 255, 0.15);
            --border-glow: rgba(0, 240, 255, 0.4);
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.2);
            --shadow-glow-strong: 0 0 30px rgba(0, 240, 255, 0.5);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition-fast: 0.2s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.35s cubic-bezier(0.4, 0, 0.2, 1);
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-primary);
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* Header & Navigation */
        header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border-color);
            transition: background var(--transition-smooth);
        }

        header .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 800;
            font-size: 1.35rem;
            color: var(--text-primary);
            text-decoration: none;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .logo i {
            color: var(--accent-cyan);
            font-size: 1.6rem;
            filter: drop-shadow(0 0 8px rgba(0, 240, 255, 0.5));
        }

        .logo span {
            background: linear-gradient(135deg, var(--accent-cyan), #0088FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        nav a {
            position: relative;
            text-decoration: none;
            color: var(--text-secondary);
            font-weight: 600;
            font-size: 0.85rem;
            letter-spacing: 0.04em;
            transition: color var(--transition-fast);
            padding: 6px 2px;
        }

        nav a:hover {
            color: var(--accent-cyan);
        }

        nav a.active {
            color: var(--accent-cyan);
        }

        nav a.active::after {
            content: '';
            position: absolute;
            bottom: -4px;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--accent-cyan);
            border-radius: 4px;
            box-shadow: 0 0 12px var(--accent-cyan);
        }

        .btn-login {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
            padding: 8px 18px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0066FF);
            border: none;
            color: #fff;
            padding: 9px 22px;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.85rem;
            cursor: pointer;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 15px rgba(0, 82, 255, 0.4);
            position: relative;
            overflow: hidden;
        }

        .btn-signup::before {
            content: '';
            position: absolute;
            top: -50%;
            left: -50%;
            width: 200%;
            height: 200%;
            background: radial-gradient(circle, rgba(255,255,255,0.2) 0%, transparent 60%);
            opacity: 0;
            transition: opacity 0.3s;
        }

        .btn-signup:hover::before {
            opacity: 1;
        }
        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 6px 25px rgba(0, 82, 255, 0.6);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        @media (max-width: 1024px) {
            nav {
                display: none;
            }
            .mobile-menu-toggle {
                display: block;
            }
            .header-actions .btn-login,
            .header-actions .btn-signup {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            padding: 140px 0 80px;
            background: radial-gradient(ellipse at 50% 0%, rgba(0,82,255,0.25) 0%, transparent 55%),
                        radial-gradient(ellipse at 80% 30%, rgba(0,240,255,0.08) 0%, transparent 40%),
                        var(--bg-secondary);
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: 
                repeating-linear-gradient(0deg, transparent, transparent 2px, rgba(0,240,255,0.02) 2px, rgba(0,240,255,0.02) 4px);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid rgba(0, 240, 255, 0.3);
            padding: 6px 16px;
            border-radius: 50px;
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            letter-spacing: 0.03em;
            margin-bottom: 20px;
            animation: pulse-badge 2s infinite;
        }

        @keyframes pulse-badge {
            0%, 100% { box-shadow: 0 0 8px rgba(0,240,255,0.2); }
            50% { box-shadow: 0 0 20px rgba(0,240,255,0.5); }
        }

        .hero-badge i {
            color: var(--accent-gold);
        }

        .hero-title {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.02em;
        }

        .hero-title .hl {
            background: linear-gradient(135deg, var(--accent-cyan), #0099FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 30px;
            max-width: 500px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn-primary {
            background: linear-gradient(135deg, var(--accent-cyan), #0088FF);
            border: none;
            color: #000;
            font-weight: 800;
            padding: 14px 32px;
            border-radius: 12px;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            box-shadow: 0 6px 25px rgba(0, 240, 255, 0.35);
            position: relative;
            overflow: hidden;
            letter-spacing: 0.02em;
        }

        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 35px rgba(0, 240, 255, 0.55);
        }

        .btn-secondary {
            background: rgba(255,255,255,0.05);
            border: 1px solid rgba(255,255,255,0.2);
            color: #fff;
            font-weight: 700;
            padding: 14px 28px;
            border-radius: 12px;
            font-size: 1rem;
            cursor: pointer;
            transition: all var(--transition-smooth);
            backdrop-filter: blur(8px);
        }

        .btn-secondary:hover {
            border-color: var(--accent-cyan);
            background: rgba(0,240,255,0.08);
            box-shadow: 0 0 20px rgba(0,240,255,0.2);
        }

        .hero-visual {
            position: relative;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .hero-visual img {
            max-width: 100%;
            border-radius: var(--radius-lg);
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
            position: relative;
            z-index: 2;
        }

        .hero-glow-orb {
            position: absolute;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(0,240,255,0.25) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            animation: float-orb 6s ease-in-out infinite;
        }

        @keyframes float-orb {
            0%, 100% { transform: translate(-50%, -50%) scale(1); }
            50% { transform: translate(-50%, -55%) scale(1.1); }
        }

        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 30px;
                text-align: center;
            }
            .hero-title {
                font-size: 2.2rem;
            }
            .hero-subtitle {
                margin-left: auto;
                margin-right: auto;
            }
            .hero-cta-group {
                justify-content: center;
            }
            .hero-visual {
                order: -1;
            }
            .hero-visual img {
                max-width: 260px;
            }
        }

        /* Section Styling */
        .section {
            padding: 70px 0;
        }
        .section-dark {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            border-bottom: 1px solid var(--border-color);
        }

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--accent-cyan);
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-title {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 15px;
            letter-spacing: -0.02em;
        }

        .section-desc {
            color: var(--text-secondary);
            max-width: 650px;
            margin-bottom: 40px;
            font-size: 1.05rem;
            line-height: 1.6;
        }

        /* Glass Card */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(15px);
            -webkit-backdrop-filter: blur(15px);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 28px 24px;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: var(--shadow-glow);
            transform: translateY(-4px);
        }

        /* Event Timeline */
        .event-timeline {
            display: flex;
            flex-direction: column;
            gap: 24px;
            position: relative;
        }

        .event-item {
            display: grid;
            grid-template-columns: 100px 1fr;
            gap: 24px;
            align-items: start;
        }

        .event-date-badge {
            background: linear-gradient(135deg, var(--accent-blue), #003DB3);
            color: #fff;
            font-weight: 800;
            font-size: 0.85rem;
            text-align: center;
            padding: 12px 8px;
            border-radius: var(--radius-sm);
            box-shadow: 0 4px 15px rgba(0,82,255,0.4);
            line-height: 1.3;
        }
        .event-date-badge .day {
            font-size: 2rem;
            display: block;
        }

        .event-content {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all var(--transition-smooth);
        }
        .event-content:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }
        .event-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .event-tag {
            display: inline-block;
            background: rgba(255,184,0,0.15);
            color: var(--accent-gold);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 10px;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        @media (max-width: 600px) {
            .event-item {
                grid-template-columns: 1fr;
            }
            .event-date-badge {
                display: inline-flex;
                gap: 8px;
                align-items: center;
                padding: 8px 16px;
            }
        }

        /* Code Cards Grid */
        .code-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 24px;
        }

        .code-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px;
            text-align: left;
            transition: all var(--transition-smooth);
            position: relative;
        }
        .code-card:hover {
            border-color: var(--accent-green);
            box-shadow: 0 0 25px rgba(0,230,118,0.2);
        }
        .code-card .code-value {
            font-family: 'Courier New', monospace;
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--accent-green);
            background: rgba(0,230,118,0.1);
            padding: 10px 16px;
            border-radius: 8px;
            border: 1px dashed rgba(0,230,118,0.4);
            display: inline-block;
            margin: 10px 0;
            letter-spacing: 0.04em;
        }
        .code-card .btn-copy {
            background: var(--accent-green);
            border: none;
            color: #000;
            font-weight: 700;
            padding: 8px 18px;
            border-radius: 6px;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-copy:hover {
            box-shadow: 0 0 18px rgba(0,230,118,0.5);
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .step-item {
            text-align: left;
            position: relative;
            padding-left: 28px;
        }
        .step-num {
            position: absolute;
            left: 0;
            top: 0;
            width: 36px;
            height: 36px;
            background: var(--accent-cyan);
            color: #000;
            font-weight: 900;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 15px rgba(0,240,255,0.5);
        }
        @media (max-width: 768px) {
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 500px) {
            .steps-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
            max-width: 800px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            cursor: pointer;
            transition: all var(--transition-smooth);
        }
        .faq-item:hover {
            border-color: var(--accent-cyan);
        }
        .faq-q {
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .faq-a {
            color: var(--text-secondary);
            margin-top: 10px;
            display: none;
            line-height: 1.6;
        }
        .faq-item.open .faq-a {
            display: block;
        }
        .faq-item.open {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

        /* CTA Banner */
        .cta-banner {
            background: linear-gradient(135deg, rgba(0,82,255,0.2), rgba(0,240,255,0.15));
            border: 1px solid var(--border-glow);
            border-radius: var(--radius-lg);
            padding: 50px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -30%;
            left: -20%;
            width: 140%;
            height: 160%;
            background: radial-gradient(ellipse, rgba(0,240,255,0.1) 0%, transparent 60%);
        }

        /* Footer */
        footer {
            background: rgba(0,0,0,0.6);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        footer .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }
        footer h4 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 16px;
        }
        footer ul {
            list-style: none;
            padding: 0;
        }
        footer ul li {
            margin-bottom: 10px;
        }
        footer a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        footer a:hover {
            color: var(--accent-cyan);
        }
        @media (max-width: 768px) {
            footer .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 480px) {
            footer .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        /* FAB Left */
        .fab-left {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 50;
            width: 52px;
            height: 52px;
            border-radius: 50px;
            background: rgba(0,0,0,0.6);
            backdrop-filter: blur(12px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            box-shadow: 0 0 18px rgba(0,240,255,0.4);
            transition: all var(--transition-smooth);
            color: var(--accent-cyan);
            font-size: 1.5rem;
            animation: fab-glow 2.5s infinite;
        }
        .fab-left::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
            opacity: 0.7;
        }
        .fab-left:hover {
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0,240,255,0.8);
        }
        @keyframes fab-glow {
            0%, 100% { box-shadow: 0 0 15px rgba(0,240,255,0.4); }
            50% { box-shadow: 0 0 28px rgba(0,240,255,0.9); }
        }
        .fab-notification {
            position: absolute;
            top: -2px;
            right: -2px;
            width: 14px;
            height: 14px;
            background: #FF0055;
            border-radius: 50%;
            border: 2px solid #000;
            animation: blink-dot 1.2s infinite;
        }
        @keyframes blink-dot {
            0%, 100% { opacity: 1; }
            50% { opacity: 0.3; }
        }
