/* roulang page: index */
:root {
  --bg-primary: #08090F;
  --bg-secondary: #0D111E;
  --bg-card: rgba(13,17,30,0.7);
  --accent-blue: #0052FF;
  --accent-cyan: #00F0FF;
  --accent-gold: #FFBF00;
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #8B9DC3;
  --border-color: rgba(0,82,255,0.25);
  --border-glow: rgba(0,240,255,0.3);
  --radius-sm: 8px;
  --radius-md: 16px;
  --radius-lg: 24px;
  --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
  --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
  --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --glass-bg: rgba(8,9,15,0.6);
  --glass-border: rgba(0,240,255,0.15);
  --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
}

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

body {
  font-family: var(--font-body);
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.65;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: var(--transition-base); }

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

/* Navigasi */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(8,9,15,0.85); backdrop-filter: blur(18px);
  border-bottom: 1px solid var(--glass-border);
  transition: var(--transition-base);
}
.header-inner {
  display: flex; align-items: center; justify-content: space-between;
  height: 68px; max-width: 1200px; margin: 0 auto; padding: 0 20px;
}
.logo {
  font-size: 1.25rem; font-weight: 700; letter-spacing: -0.3px;
  background: linear-gradient(135deg, #00F0FF, #0052FF);
  -webkit-background-clip: text; -webkit-text-fill-color: transparent;
  background-clip: text; white-space: nowrap;
}
.nav-list { display: flex; gap: 8px; list-style: none; align-items: center; }
.nav-list li a {
  display: block; padding: 10px 18px; border-radius: 50px;
  font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
  transition: var(--transition-base);
  white-space: nowrap;
}
.nav-list li a:hover,
.nav-list li a.active { color: #fff; background: rgba(0,82,255,0.2); }
.nav-right { display: flex; gap: 12px; align-items: center; }
.btn-login {
  padding: 10px 20px; border-radius: 50px; font-weight: 600;
  font-size: 0.9rem; color: var(--text-primary); background: transparent;
  border: 1px solid rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition-base);
}
.btn-login:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
.btn-signup {
  padding: 10px 24px; border-radius: 50px; font-weight: 700;
  font-size: 0.9rem; color: #fff; background: var(--accent-blue);
  border: none; cursor: pointer; transition: var(--transition-base);
  box-shadow: 0 0 16px rgba(0,82,255,0.5);
}
.btn-signup:hover { background: #0040d0; box-shadow: 0 0 28px rgba(0,82,255,0.7); transform: translateY(-1px); }

.mobile-toggle {
  display: none; background: none; border: none; color: #fff;
  font-size: 1.6rem; cursor: pointer; padding: 8px;
}

/* Hero - Referral Fission */
.hero-section {
  position: relative; min-height: 90vh; display: flex; align-items: center;
  background: url('/assets/images/backpic/back-1.jpg') center/cover no-repeat;
  padding: 120px 0 80px; margin-top: 0;
}
.hero-overlay {
  position: absolute; inset: 0;
  background: linear-gradient(135deg, rgba(8,9,15,0.88) 0%, rgba(13,17,30,0.75) 100%);
}
.hero-content { position: relative; z-index: 2; max-width: 700px; }
.hero-badge {
  display: inline-block; padding: 8px 20px; border-radius: 50px;
  font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px;
  background: rgba(0,240,255,0.12); border: 1px solid rgba(0,240,255,0.3);
  color: var(--accent-cyan); margin-bottom: 20px;
}
.hero-section h1 {
  font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px;
  letter-spacing: -0.8px;
}
.highlight-text { color: var(--accent-cyan); }
.hero-desc { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; max-width: 560px; }
.hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }
.btn-primary {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 1rem;
  background: var(--accent-blue); color: #fff; border: none; cursor: pointer;
  transition: var(--transition-base); box-shadow: 0 0 24px rgba(0,82,255,0.45);
}
.btn-primary:hover { background: #0040d0; box-shadow: 0 0 36px rgba(0,82,255,0.65); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex; align-items: center; gap: 8px;
  padding: 14px 30px; border-radius: 50px; font-weight: 700; font-size: 1rem;
  background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); cursor: pointer;
  transition: var(--transition-base);
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); }
.progress-wrap { background: rgba(255,255,255,0.06); border-radius: 50px; padding: 6px; max-width: 380px; display: flex; align-items: center; gap: 10px; margin-top: 8px; }
.progress-bar { flex: 1; height: 8px; background: rgba(255,255,255,0.12); border-radius: 50px; overflow: hidden; }
.progress-fill { width: 68%; height: 100%; background: linear-gradient(90deg, #00F0FF, #0052FF); border-radius: 50px; }
.progress-text { font-size: 0.85rem; color: var(--accent-cyan); font-weight: 600; white-space: nowrap; }

/* Sections */
.section { padding: 80px 0; }
.section-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.section-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 48px; line-height: 1.6; max-width: 600px; }

/* Brand Story */
.brand-story-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 48px; align-items: center; }
.story-image-wrap { position: relative; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); }
.story-image-wrap img { width: 100%; height: 380px; object-fit: cover; }
.story-content h3 { font-size: 1.7rem; font-weight: 700; margin-bottom: 16px; }
.story-content p { color: var(--text-secondary); line-height: 1.7; margin-bottom: 12px; }
.story-stat { display: flex; gap: 32px; margin-top: 24px; }
.stat-item { text-align: left; }
.stat-num { font-size: 2rem; font-weight: 800; color: var(--accent-cyan); }
.stat-label { font-size: 0.85rem; color: var(--text-muted); }

/* Featured Content Cards */
.cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
.glass-card {
  background: var(--glass-bg); backdrop-filter: blur(12px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 28px; transition: var(--transition-base);
}
.glass-card:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
.glass-card img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 16px; }
.glass-card h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.glass-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; }

/* Testimonial Bubbles */
.testimonial-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
.testimonial-bubble {
  background: var(--glass-bg); backdrop-filter: blur(10px);
  border: 1px solid var(--glass-border); border-radius: var(--radius-md);
  padding: 28px; position: relative;
}
.testimonial-bubble::before {
  content: '\201C'; font-size: 3rem; color: var(--accent-cyan); opacity: 0.3;
  position: absolute; top: 10px; left: 16px; line-height: 1;
}
.testimonial-bubble p { font-style: italic; color: var(--text-secondary); margin-bottom: 16px; padding-top: 8px; }
.user-info { display: flex; align-items: center; gap: 10px; }
.user-avatar { width: 40px; height: 40px; border-radius: 50%; background: var(--accent-blue); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; }
.user-name { font-weight: 600; font-size: 0.9rem; }

/* News List */
.news-grid { display: grid; grid-template-columns: 2fr 1fr; gap: 32px; }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item {
  display: flex; gap: 16px; padding: 18px; border-radius: var(--radius-md);
  background: rgba(255,255,255,0.03); border: 1px solid rgba(255,255,255,0.06);
  transition: var(--transition-base);
}
.news-item:hover { background: rgba(0,82,255,0.08); border-color: var(--border-color); }
.news-item-content h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 4px; }
.news-item-content .news-meta { font-size: 0.78rem; color: var(--text-muted); }
.news-item-content .news-excerpt { font-size: 0.88rem; color: var(--text-secondary); margin-top: 4px; }
.news-sidebar { background: var(--glass-bg); border-radius: var(--radius-md); padding: 24px; border: 1px solid var(--glass-border); height: fit-content; }
.news-sidebar h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 14px; }
.news-sidebar ul { list-style: none; }
.news-sidebar li { padding: 8px 0; border-bottom: 1px solid rgba(255,255,255,0.06); }
.news-sidebar li a { color: var(--text-secondary); font-size: 0.9rem; }
.news-sidebar li a:hover { color: var(--accent-cyan); }

/* Subscribe CTA */
.subscribe-section {
  background: linear-gradient(135deg, rgba(0,82,255,0.1), rgba(0,240,255,0.06));
  border: 1px solid var(--glass-border); border-radius: var(--radius-lg);
  padding: 56px 40px; text-align: center; margin: 80px 0;
}
.subscribe-section h3 { font-size: 2rem; font-weight: 800; margin-bottom: 12px; }
.subscribe-section p { color: var(--text-secondary); margin-bottom: 28px; }
.subscribe-form { display: flex; gap: 12px; max-width: 480px; margin: 0 auto; flex-wrap: wrap; justify-content: center; }
.subscribe-form input {
  flex: 1; min-width: 220px; padding: 14px 20px; border-radius: 50px;
  border: 1px solid rgba(255,255,255,0.2); background: rgba(255,255,255,0.06);
  color: #fff; font-size: 0.95rem; outline: none;
}
.subscribe-form input::placeholder { color: var(--text-muted); }
.subscribe-form button {
  padding: 14px 32px; border-radius: 50px; border: none; font-weight: 700;
  background: var(--accent-blue); color: #fff; cursor: pointer; transition: var(--transition-base);
}
.subscribe-form button:hover { background: #0040d0; }

/* FAQ */
.faq-list { max-width: 800px; }
.faq-item {
  border: 1px solid rgba(255,255,255,0.08); border-radius: var(--radius-md);
  margin-bottom: 12px; overflow: hidden; background: var(--glass-bg);
}
.faq-question {
  width: 100%; text-align: left; padding: 18px 24px; background: transparent;
  border: none; color: #fff; font-size: 1rem; font-weight: 600; cursor: pointer;
  display: flex; justify-content: space-between; align-items: center;
}
.faq-answer { padding: 0 24px 20px; color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; display: none; }
.faq-item.active .faq-answer { display: block; }
.faq-item.active .faq-question { color: var(--accent-cyan); }

/* Footer */
.site-footer {
  background: var(--bg-secondary); border-top: 1px solid rgba(255,255,255,0.06);
  padding: 60px 0 30px;
}
.footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 40px; }
.footer-col h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 14px; }
.footer-col ul { list-style: none; }
.footer-col li { margin-bottom: 8px; }
.footer-col li a { color: var(--text-muted); font-size: 0.9rem; }
.footer-col li a:hover { color: #fff; }
.footer-bottom { text-align: center; color: var(--text-muted); font-size: 0.85rem; border-top: 1px solid rgba(255,255,255,0.06); padding-top: 24px; }

/* FAB */
.fab {
  position: fixed; left: 20px; bottom: 96px; z-index: 900;
  width: 52px; height: 52px; border-radius: 50%; background: rgba(0,0,0,0.6);
  backdrop-filter: blur(14px); border: 2px solid transparent;
  background-clip: padding-box; display: flex; align-items: center; justify-content: center;
  cursor: pointer; transition: var(--transition-base);
  box-shadow: 0 0 18px rgba(0,240,255,0.45); font-size: 1.3rem; color: var(--accent-cyan);
}
.fab:hover { box-shadow: 0 0 30px rgba(0,240,255,0.7); transform: scale(1.1); }

/* Responsive */
@media (max-width: 1024px) {
  .hero-section h1 { font-size: 2.4rem; }
  .brand-story-grid { grid-template-columns: 1fr; gap: 32px; }
  .news-grid { grid-template-columns: 1fr; }
}
@media (max-width: 768px) {
  .nav-list { display: none; position: absolute; top: 68px; left: 0; right: 0; background: rgba(8,9,15,0.96); flex-direction: column; padding: 16px; gap: 4px; backdrop-filter: blur(20px); }
  .nav-list.open { display: flex; }
  .mobile-toggle { display: block; }
  .section { padding: 60px 0; }
  .hero-section { min-height: auto; padding: 100px 0 60px; }
  .hero-section h1 { font-size: 2rem; }
  .cards-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 520px) {
  .header-inner { padding: 0 12px; }
  .logo { font-size: 1rem; }
  .hero-section h1 { font-size: 1.6rem; }
  .hero-actions { flex-direction: column; align-items: stretch; }
  .cards-grid { grid-template-columns: 1fr; }
  .subscribe-form { flex-direction: column; }
}

/* roulang page: article */
:root {
      --bg-primary: #08090F;
      --bg-secondary: #0D111E;
      --bg-card: rgba(13,17,30,0.7);
      --accent-blue: #0052FF;
      --accent-cyan: #00F0FF;
      --accent-gold: #FFBF00;
      --text-primary: #FFFFFF;
      --text-secondary: #CBD5E1;
      --text-muted: #8B9DC3;
      --border-color: rgba(0,82,255,0.25);
      --border-glow: rgba(0,240,255,0.3);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
      --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
      --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --glass-bg: rgba(8,9,15,0.6);
      --glass-border: rgba(0,240,255,0.15);
      --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    }

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

    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
      margin: 0;
    }

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

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

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

    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(8,9,15,0.85);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--glass-border);
      transition: var(--transition-base);
    }

    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }

    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.3px;
      background: linear-gradient(135deg, #00F0FF, #0052FF);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      white-space: nowrap;
    }

    .nav-list {
      display: flex;
      gap: 8px;
      list-style: none;
      align-items: center;
      margin: 0;
      padding: 0;
    }

    .nav-list li a {
      display: block;
      padding: 10px 18px;
      border-radius: 50px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: var(--transition-base);
      white-space: nowrap;
    }

    .nav-list li a:hover,
    .nav-list li a.active {
      color: #fff;
      background: rgba(0,82,255,0.2);
    }

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

    .btn-login {
      padding: 10px 20px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      color: var(--text-primary);
      background: transparent;
      border: 1px solid rgba(255,255,255,0.3);
      cursor: pointer;
      transition: var(--transition-base);
    }

    .btn-login:hover {
      border-color: #fff;
      background: rgba(255,255,255,0.08);
    }

    .btn-signup {
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 0.9rem;
      color: #fff;
      background: var(--accent-blue);
      border: none;
      cursor: pointer;
      transition: var(--transition-base);
      box-shadow: 0 0 16px rgba(0,82,255,0.5);
    }

    .btn-signup:hover {
      background: #0040d0;
      box-shadow: 0 0 28px rgba(0,82,255,0.7);
      transform: translateY(-1px);
    }

    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.6rem;
      cursor: pointer;
      padding: 8px;
    }

    .article-page {
      padding-top: 88px;
      min-height: 80vh;
    }

    .article-hero {
      background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      padding: 60px 0 40px;
      position: relative;
    }

    .article-hero::after {
      content: '';
      position: absolute;
      inset: 0;
      background: linear-gradient(180deg, rgba(8,9,15,0.7) 0%, rgba(13,17,30,0.95) 100%);
    }

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

    .article-category-tag {
      display: inline-block;
      padding: 6px 16px;
      border-radius: 50px;
      font-size: 0.8rem;
      font-weight: 700;
      background: rgba(0,240,255,0.1);
      border: 1px solid var(--border-glow);
      color: var(--accent-cyan);
      margin-bottom: 16px;
      letter-spacing: 0.5px;
    }

    .article-hero h1 {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 16px;
      color: #fff;
      max-width: 800px;
    }

    .article-meta {
      display: flex;
      gap: 20px;
      color: var(--text-muted);
      font-size: 0.9rem;
      flex-wrap: wrap;
    }

    .article-meta span {
      display: flex;
      align-items: center;
      gap: 6px;
    }

    .article-body-wrapper {
      padding: 32px 0 60px;
    }

    .article-layout {
      display: grid;
      grid-template-columns: 2fr 1fr;
      gap: 40px;
      align-items: start;
    }

    .article-main {
      background: var(--glass-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-lg);
      padding: 32px;
    }

    .article-main h2 {
      font-size: 1.6rem;
      font-weight: 700;
      margin: 28px 0 12px;
      color: #fff;
      line-height: 1.3;
    }

    .article-main h3 {
      font-size: 1.3rem;
      font-weight: 700;
      margin: 24px 0 10px;
      color: #fff;
    }

    .article-main p {
      font-size: 1rem;
      color: var(--text-secondary);
      line-height: 1.7;
      margin-bottom: 16px;
    }

    .article-main ul,
    .article-main ol {
      color: var(--text-secondary);
      margin: 12px 0 20px 20px;
      line-height: 1.7;
    }

    .article-main li {
      margin-bottom: 8px;
    }

    .article-main img {
      border-radius: var(--radius-md);
      margin: 20px 0;
      border: 1px solid var(--glass-border);
    }

    .article-main blockquote {
      border-left: 4px solid var(--accent-cyan);
      padding: 16px 24px;
      margin: 24px 0;
      background: rgba(0,240,255,0.04);
      border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
      color: var(--text-secondary);
      font-style: italic;
    }

    .inline-cta {
      background: linear-gradient(135deg, rgba(0,82,255,0.2), rgba(0,240,255,0.08));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-md);
      padding: 24px;
      margin: 32px 0;
      text-align: left;
    }

    .inline-cta h4 {
      font-size: 1.2rem;
      font-weight: 700;
      margin-bottom: 8px;
    }

    .inline-cta p {
      margin-bottom: 16px;
    }

    .btn-glow {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 12px 28px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 0.95rem;
      background: var(--accent-blue);
      color: #fff;
      border: none;
      cursor: pointer;
      transition: var(--transition-base);
      box-shadow: 0 0 20px rgba(0,82,255,0.5);
    }

    .btn-glow:hover {
      background: #0040d0;
      box-shadow: 0 0 32px rgba(0,82,255,0.7);
      transform: translateY(-1px);
    }

    .sidebar {
      position: sticky;
      top: 88px;
      display: flex;
      flex-direction: column;
      gap: 24px;
    }

    .sidebar-card {
      background: var(--glass-bg);
      backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 24px;
    }

    .sidebar-card h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 16px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .sidebar-card h4 i {
      color: var(--accent-cyan);
    }

    .sidebar-list {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .sidebar-list li {
      padding: 10px 0;
      border-bottom: 1px solid rgba(255,255,255,0.06);
      font-size: 0.92rem;
      color: var(--text-secondary);
    }

    .sidebar-list li:last-child {
      border-bottom: none;
    }

    .sidebar-list li a:hover {
      color: var(--accent-cyan);
    }

    .sidebar-list li i {
      color: var(--accent-blue);
      margin-right: 8px;
      font-size: 0.75rem;
    }

    .not-found {
      min-height: 50vh;
      display: flex;
      flex-direction: column;
      align-items: center;
      justify-content: center;
      text-align: center;
      padding: 60px 20px;
    }

    .not-found-icon {
      font-size: 4rem;
      color: var(--text-muted);
      margin-bottom: 16px;
    }

    .not-found h2 {
      font-size: 1.6rem;
      margin-bottom: 12px;
    }

    .not-found p {
      color: var(--text-secondary);
      margin-bottom: 24px;
    }

    .not-found a {
      color: var(--accent-cyan);
      font-weight: 600;
      border: 1px solid var(--border-glow);
      padding: 10px 24px;
      border-radius: 50px;
    }

    .not-found a:hover {
      background: rgba(0,240,255,0.08);
    }

    .site-footer {
      background: var(--bg-secondary);
      border-top: 1px solid var(--glass-border);
      padding: 56px 0 28px;
      margin-top: 40px;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
      gap: 32px;
      margin-bottom: 32px;
    }

    .footer-col h4 {
      font-size: 1rem;
      font-weight: 700;
      margin-bottom: 14px;
      color: #fff;
    }

    .footer-col ul {
      list-style: none;
      padding: 0;
      margin: 0;
    }

    .footer-col ul li {
      margin-bottom: 8px;
    }

    .footer-col ul li a {
      color: var(--text-muted);
      font-size: 0.9rem;
      transition: var(--transition-base);
    }

    .footer-col ul li a:hover {
      color: var(--accent-cyan);
    }

    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.06);
      padding-top: 20px;
      text-align: center;
      font-size: 0.82rem;
      color: var(--text-muted);
    }

    .fab-left {
      position: fixed;
      left: 24px;
      bottom: 80px;
      z-index: 999;
    }

    .fab-btn {
      display: flex;
      align-items: center;
      justify-content: center;
      width: 52px;
      height: 52px;
      border-radius: 50%;
      background: var(--glass-bg);
      backdrop-filter: blur(14px);
      border: 2px solid transparent;
      background-clip: padding-box;
      position: relative;
      cursor: pointer;
      color: #fff;
      font-size: 1.3rem;
      transition: var(--transition-base);
      box-shadow: 0 0 15px rgba(0,240,255,0.4);
    }

    .fab-btn::before {
      content: '';
      position: absolute;
      inset: -3px;
      border-radius: inherit;
      background: linear-gradient(135deg, #CCFF00, #00F0FF);
      z-index: -1;
      opacity: 0.7;
    }

    .fab-btn:hover {
      box-shadow: 0 0 28px rgba(0,240,255,0.7);
      transform: scale(1.08);
    }

    @media (max-width: 1024px) {
      .article-layout {
        grid-template-columns: 1fr;
      }

      .sidebar {
        position: static;
      }
    }

    @media (max-width: 768px) {
      .mobile-toggle {
        display: block;
      }

      .nav-list {
        display: none;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(8,9,15,0.95);
        backdrop-filter: blur(20px);
        flex-direction: column;
        padding: 16px 20px;
        gap: 4px;
      }

      .nav-list.open {
        display: flex;
      }

      .header-inner {
        flex-wrap: wrap;
      }

      .article-hero h1 {
        font-size: 2rem;
      }

      .article-main {
        padding: 20px;
      }
    }

    @media (max-width: 520px) {
      .nav-right {
        gap: 8px;
      }

      .btn-login,
      .btn-signup {
        padding: 8px 16px;
        font-size: 0.82rem;
      }

      .article-hero h1 {
        font-size: 1.6rem;
      }

      .article-meta {
        flex-direction: column;
        gap: 6px;
      }

      .fab-left {
        left: 12px;
        bottom: 60px;
      }

      .fab-btn {
        width: 44px;
        height: 44px;
        font-size: 1.1rem;
      }
    }

/* roulang page: category1 */
:root {
      --bg-primary: #08090F;
      --bg-secondary: #0D111E;
      --bg-card: rgba(13,17,30,0.7);
      --accent-blue: #0052FF;
      --accent-cyan: #00F0FF;
      --accent-gold: #FFBF00;
      --text-primary: #FFFFFF;
      --text-secondary: #CBD5E1;
      --text-muted: #8B9DC3;
      --border-color: rgba(0,82,255,0.25);
      --border-glow: rgba(0,240,255,0.3);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
      --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
      --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --glass-bg: rgba(8,9,15,0.6);
      --glass-border: rgba(0,240,255,0.15);
      --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    }
    * { box-sizing: border-box; }
    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition-base); }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    /* Navigation */
    .site-header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(8,9,15,0.85); backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--glass-border);
      transition: var(--transition-base);
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 68px; max-width: 1200px; margin: 0 auto; padding: 0 20px;
    }
    .logo {
      font-size: 1.25rem; font-weight: 700; letter-spacing: -0.3px;
      background: linear-gradient(135deg, #00F0FF, #0052FF);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text; white-space: nowrap;
    }
    .nav-list { display: flex; gap: 8px; list-style: none; align-items: center; margin: 0; padding: 0; }
    .nav-list li a {
      display: block; padding: 10px 18px; border-radius: 50px;
      font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
      transition: var(--transition-base); white-space: nowrap;
    }
    .nav-list li a:hover,
    .nav-list li a.active { color: #fff; background: rgba(0,82,255,0.2); }
    .nav-right { display: flex; gap: 12px; align-items: center; }
    .btn-login {
      padding: 10px 20px; border-radius: 50px; font-weight: 600;
      font-size: 0.9rem; color: var(--text-primary); background: transparent;
      border: 1px solid rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition-base);
    }
    .btn-login:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
    .btn-signup {
      padding: 10px 24px; border-radius: 50px; font-weight: 700;
      font-size: 0.9rem; color: #fff; background: var(--accent-blue);
      border: none; cursor: pointer; transition: var(--transition-base);
      box-shadow: 0 0 16px rgba(0,82,255,0.5);
    }
    .btn-signup:hover { background: #0040d0; box-shadow: 0 0 28px rgba(0,82,255,0.7); transform: translateY(-1px); }
    .mobile-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.6rem; cursor: pointer; padding: 8px; }
    /* Hero */
    .hero-section {
      position: relative; min-height: 90vh; display: flex; align-items: center;
      background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      padding: 120px 0 80px; margin-top: 0;
    }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(8,9,15,0.88) 0%, rgba(13,17,30,0.75) 100%);
    }
    .hero-content { position: relative; z-index: 2; max-width: 700px; }
    .hero-badge {
      display: inline-block; padding: 8px 20px; border-radius: 50px;
      font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px;
      background: rgba(0,240,255,0.12); border: 1px solid rgba(0,240,255,0.3);
      color: var(--accent-cyan); margin-bottom: 20px;
    }
    .hero-section h1 {
      font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px;
      letter-spacing: -0.8px;
    }
    .hero-desc { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; max-width: 560px; }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 1rem;
      background: var(--accent-blue); color: #fff; border: none; cursor: pointer;
      transition: var(--transition-base); box-shadow: 0 0 24px rgba(0,82,255,0.45);
    }
    .btn-primary:hover { background: #0040d0; box-shadow: 0 0 36px rgba(0,82,255,0.65); transform: translateY(-2px); }
    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 30px; border-radius: 50px; font-weight: 700; font-size: 1rem;
      background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); cursor: pointer;
      transition: var(--transition-base);
    }
    .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); }
    /* Countdown Timer */
    .countdown-timer {
      display: flex; gap: 12px; align-items: center; margin-top: 16px;
    }
    .countdown-item {
      background: var(--glass-bg); backdrop-filter: blur(8px);
      border: 1px solid var(--glass-border); border-radius: var(--radius-sm);
      padding: 12px 18px; text-align: center; min-width: 60px;
    }
    .countdown-item span {
      display: block; font-size: 1.6rem; font-weight: 800; color: var(--accent-cyan);
    }
    .countdown-item small { font-size: 0.7rem; color: var(--text-muted); text-transform: uppercase; }
    /* Sections */
    .section { padding: 80px 0; }
    .section-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
    .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 48px; line-height: 1.6; max-width: 600px; }
    .text-center { text-align: center; }
    .text-left { text-align: left; }
    /* Glass Card */
    .glass-card {
      background: var(--glass-bg); backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border); border-radius: var(--radius-md);
      padding: 28px; transition: var(--transition-base);
    }
    .glass-card:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
    .glass-card img { width: 100%; height: 180px; object-fit: cover; border-radius: var(--radius-sm); margin-bottom: 16px; }
    .glass-card h4 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
    .glass-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin: 0; }
    /* Cards Grid */
    .cards-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(260px, 1fr)); gap: 24px; }
    /* Steps */
    .steps-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(220px, 1fr)); gap: 24px; }
    .step-card {
      background: var(--glass-bg); backdrop-filter: blur(8px);
      border: 1px solid var(--glass-border); border-radius: var(--radius-md);
      padding: 28px; text-align: left; position: relative; transition: var(--transition-base);
    }
    .step-card:hover { border-color: var(--accent-cyan); }
    .step-number {
      font-size: 2.5rem; font-weight: 900; color: var(--accent-cyan);
      opacity: 0.4; margin-bottom: 12px; line-height: 1;
    }
    .step-card h4 { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
    .step-card p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin: 0; }
    /* Feature List */
    .feature-list { list-style: none; padding: 0; }
    .feature-list li {
      display: flex; gap: 12px; align-items: flex-start;
      padding: 14px 0; border-bottom: 1px solid var(--border-color);
      font-size: 0.95rem; color: var(--text-secondary);
    }
    .feature-list li i { color: var(--accent-cyan); font-size: 1.1rem; margin-top: 3px; flex-shrink: 0; }
    /* FAQ */
    .faq-grid { display: grid; gap: 16px; max-width: 800px; margin: 0 auto; }
    .faq-item {
      background: var(--glass-bg); backdrop-filter: blur(8px);
      border: 1px solid var(--glass-border); border-radius: var(--radius-md);
      padding: 24px; transition: var(--transition-base); cursor: pointer;
    }
    .faq-item:hover { border-color: var(--accent-cyan); }
    .faq-item h4 { font-size: 1.05rem; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
    .faq-item h4 i { color: var(--accent-cyan); }
    .faq-item p { font-size: 0.9rem; color: var(--text-secondary); line-height: 1.5; margin: 0; }
    /* CTA Bar */
    .cta-bar {
      background: var(--bg-secondary); border-top: 1px solid var(--glass-border);
      padding: 20px 0; position: sticky; bottom: 0; z-index: 900;
    }
    .cta-bar-inner { display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 16px; }
    .cta-bar p { margin: 0; font-weight: 600; font-size: 0.95rem; }
    /* Link Highlight */
    .link-highlight-box {
      background: var(--bg-secondary); border: 1px solid var(--border-glow);
      border-radius: var(--radius-md); padding: 24px; text-align: center;
      word-break: break-all; font-size: 1rem; color: var(--accent-cyan);
      margin-bottom: 24px; transition: var(--transition-base);
    }
    .link-highlight-box:hover { box-shadow: var(--shadow-glow); }
    /* Footer */
    .site-footer {
      background: var(--bg-secondary); border-top: 1px solid var(--glass-border);
      padding: 48px 0 32px; color: var(--text-secondary);
    }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 32px; margin-bottom: 32px; }
    .footer-col h4 { font-weight: 700; font-size: 1rem; margin-bottom: 14px; color: #fff; }
    .footer-col ul { list-style: none; padding: 0; }
    .footer-col ul li { margin-bottom: 8px; }
    .footer-col ul li a { color: var(--text-muted); font-size: 0.88rem; }
    .footer-col ul li a:hover { color: var(--accent-cyan); }
    .footer-bottom { border-top: 1px solid var(--border-color); padding-top: 20px; text-align: center; font-size: 0.8rem; color: var(--text-muted); }
    /* FAB */
    .fab {
      position: fixed; left: 16px; bottom: 96px; z-index: 950;
      width: 52px; height: 52px; border-radius: 50px;
      background: rgba(0,0,0,0.6); backdrop-filter: blur(10px);
      border: 2px solid transparent;
      background-clip: padding-box;
      display: flex; align-items: center; justify-content: center;
      cursor: pointer; transition: var(--transition-base);
      box-shadow: 0 0 15px rgba(0,240,255,0.5);
      color: var(--accent-cyan); font-size: 1.3rem;
    }
    .fab::before {
      content: '';
      position: absolute; inset: -2px; border-radius: 50px; z-index: -1;
      background: linear-gradient(135deg, #00F0FF, #0052FF);
      opacity: 0.7;
    }
    .fab:hover { transform: scale(1.1); box-shadow: 0 0 28px rgba(0,240,255,0.7); opacity: 1; }
    /* Responsive */
    @media (max-width: 768px) {
      .hero-section h1 { font-size: 2.2rem; }
      .site-header { height: 60px; }
      .header-inner { height: 60px; }
      .mobile-toggle { display: block; }
      .nav-list {
        display: none; flex-direction: column; position: absolute;
        top: 60px; left: 0; right: 0; background: rgba(8,9,15,0.95);
        backdrop-filter: blur(18px); padding: 16px 20px;
        border-bottom: 1px solid var(--glass-border);
      }
      .nav-list.active { display: flex; }
      .nav-right .btn-login, .nav-right .btn-signup { padding: 8px 16px; font-size: 0.8rem; }
      .hero-section { min-height: 70vh; padding: 100px 0 60px; }
      .section { padding: 60px 0; }
      .section-title { font-size: 1.8rem; }
      .cta-bar-inner { flex-direction: column; text-align: center; }
      .fab { width: 46px; height: 46px; left: 12px; bottom: 80px; font-size: 1.1rem; }
    }
    @media (max-width: 520px) {
      .hero-section h1 { font-size: 1.7rem; }
      .hero-actions { flex-direction: column; align-items: stretch; }
      .btn-primary, .btn-outline { justify-content: center; }
      .countdown-timer { gap: 8px; }
      .countdown-item { padding: 8px 12px; min-width: 45px; }
      .countdown-item span { font-size: 1.2rem; }
    }

/* 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: #FFBF00;
      --text-primary: #FFFFFF;
      --text-secondary: #CBD5E1;
      --text-muted: #8B9DC3;
      --border-color: rgba(0,82,255,0.25);
      --border-glow: rgba(0,240,255,0.3);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
      --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
      --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --glass-bg: rgba(8,9,15,0.6);
      --glass-border: rgba(0,240,255,0.15);
      --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    }

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

    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }

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

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

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

    /* Navigasi */
    .site-header {
      position: fixed;
      top: 0;
      left: 0;
      right: 0;
      z-index: 1000;
      background: rgba(8,9,15,0.85);
      backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--glass-border);
      transition: var(--transition-base);
    }
    .header-inner {
      display: flex;
      align-items: center;
      justify-content: space-between;
      height: 68px;
      max-width: 1200px;
      margin: 0 auto;
      padding: 0 20px;
    }
    .logo {
      font-size: 1.25rem;
      font-weight: 700;
      letter-spacing: -0.3px;
      background: linear-gradient(135deg, #00F0FF, #0052FF);
      -webkit-background-clip: text;
      -webkit-text-fill-color: transparent;
      background-clip: text;
      white-space: nowrap;
    }
    .nav-list {
      display: flex;
      gap: 8px;
      list-style: none;
      align-items: center;
    }
    .nav-list li a {
      display: block;
      padding: 10px 18px;
      border-radius: 50px;
      font-size: 0.95rem;
      font-weight: 500;
      color: var(--text-secondary);
      transition: var(--transition-base);
      white-space: nowrap;
    }
    .nav-list li a:hover,
    .nav-list li a.active {
      color: #fff;
      background: rgba(0,82,255,0.2);
    }
    .nav-right {
      display: flex;
      gap: 12px;
      align-items: center;
    }
    .btn-login {
      padding: 10px 20px;
      border-radius: 50px;
      font-weight: 600;
      font-size: 0.9rem;
      color: var(--text-primary);
      background: transparent;
      border: 1px solid rgba(255,255,255,0.3);
      cursor: pointer;
      transition: var(--transition-base);
    }
    .btn-login:hover {
      border-color: #fff;
      background: rgba(255,255,255,0.08);
    }
    .btn-signup {
      padding: 10px 24px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 0.9rem;
      color: #fff;
      background: var(--accent-blue);
      border: none;
      cursor: pointer;
      transition: var(--transition-base);
      box-shadow: 0 0 16px rgba(0,82,255,0.5);
    }
    .btn-signup:hover {
      background: #0040d0;
      box-shadow: 0 0 28px rgba(0,82,255,0.7);
      transform: translateY(-1px);
    }
    .mobile-toggle {
      display: none;
      background: none;
      border: none;
      color: #fff;
      font-size: 1.6rem;
      cursor: pointer;
      padding: 8px;
    }

    /* Hero Section (Author Profile Style) */
    .hero-section {
      position: relative;
      min-height: 75vh;
      display: flex;
      align-items: center;
      background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      padding: 120px 0 80px;
      margin-top: 0;
    }
    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(135deg, rgba(8,9,15,0.9) 0%, rgba(13,17,30,0.7) 100%);
    }
    .hero-content {
      position: relative;
      z-index: 2;
      max-width: 720px;
    }
    .hero-profile {
      display: flex;
      align-items: center;
      gap: 18px;
      margin-bottom: 24px;
    }
    .hero-avatar {
      width: 72px;
      height: 72px;
      border-radius: 50%;
      border: 2px solid var(--accent-cyan);
      box-shadow: 0 0 18px rgba(0,240,255,0.4);
      object-fit: cover;
      background: var(--bg-card);
    }
    .hero-handle {
      font-size: 1.2rem;
      font-weight: 700;
      color: var(--text-primary);
      margin-bottom: 4px;
    }
    .hero-stats-badges {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
    }
    .stat-badge {
      display: flex;
      align-items: center;
      gap: 5px;
      font-size: 0.85rem;
      color: var(--text-secondary);
      background: rgba(0,240,255,0.08);
      padding: 4px 12px;
      border-radius: 20px;
      border: 1px solid rgba(0,240,255,0.2);
    }
    .stat-badge i {
      color: var(--accent-cyan);
    }
    .hero-section h1 {
      font-size: 2.8rem;
      font-weight: 800;
      line-height: 1.2;
      margin-bottom: 18px;
      letter-spacing: -0.6px;
      color: #fff;
    }
    .hero-desc {
      font-size: 1.15rem;
      color: var(--text-secondary);
      margin-bottom: 32px;
      line-height: 1.7;
      max-width: 580px;
    }
    .hero-actions {
      display: flex;
      gap: 16px;
      flex-wrap: wrap;
      align-items: center;
    }
    .btn-primary {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 32px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1rem;
      background: var(--accent-blue);
      color: #fff;
      border: none;
      cursor: pointer;
      transition: var(--transition-base);
      box-shadow: 0 0 24px rgba(0,82,255,0.45);
    }
    .btn-primary:hover {
      background: #0040d0;
      box-shadow: 0 0 36px rgba(0,82,255,0.65);
      transform: translateY(-2px);
    }
    .btn-outline {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      padding: 14px 30px;
      border-radius: 50px;
      font-weight: 700;
      font-size: 1rem;
      background: transparent;
      color: #fff;
      border: 2px solid rgba(255,255,255,0.35);
      cursor: pointer;
      transition: var(--transition-base);
    }
    .btn-outline:hover {
      border-color: #fff;
      background: rgba(255,255,255,0.06);
    }

    /* Sections */
    .section {
      padding: 80px 0;
    }
    .section-title {
      font-size: 2rem;
      font-weight: 800;
      margin-bottom: 14px;
      letter-spacing: -0.4px;
      color: #fff;
    }
    .section-subtitle {
      font-size: 1.05rem;
      color: var(--text-secondary);
      margin-bottom: 44px;
      line-height: 1.6;
      max-width: 650px;
    }

    /* Link Hub Cards */
    .cards-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
      gap: 24px;
    }
    .glass-card {
      background: var(--glass-bg);
      backdrop-filter: blur(14px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 28px;
      transition: var(--transition-base);
      height: 100%;
      display: flex;
      flex-direction: column;
    }
    .glass-card:hover {
      border-color: var(--accent-cyan);
      box-shadow: var(--shadow-glow);
      transform: translateY(-5px);
    }
    .glass-card i {
      font-size: 2.2rem;
      color: var(--accent-cyan);
      margin-bottom: 16px;
    }
    .glass-card h4 {
      font-size: 1.25rem;
      font-weight: 700;
      margin-bottom: 10px;
    }
    .glass-card p {
      font-size: 0.95rem;
      color: var(--text-secondary);
      line-height: 1.6;
      flex-grow: 1;
    }
    .glass-card .card-link-btn {
      margin-top: 16px;
      display: inline-block;
      padding: 10px 20px;
      border-radius: 20px;
      background: var(--accent-blue);
      color: #fff;
      font-weight: 600;
      text-align: center;
      transition: var(--transition-base);
    }
    .glass-card .card-link-btn:hover {
      background: #0040d0;
    }

    /* Steps / Process */
    .steps-vertical {
      display: flex;
      flex-direction: column;
      gap: 24px;
      margin-top: 32px;
    }
    .step-item {
      display: flex;
      gap: 20px;
      align-items: flex-start;
      background: var(--glass-bg);
      backdrop-filter: blur(10px);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      padding: 20px 24px;
    }
    .step-num {
      background: var(--accent-blue);
      color: #fff;
      width: 40px;
      height: 40px;
      border-radius: 50%;
      display: flex;
      align-items: center;
      justify-content: center;
      font-weight: 700;
      font-size: 1.1rem;
      flex-shrink: 0;
      box-shadow: 0 0 14px rgba(0,82,255,0.5);
    }
    .step-text h4 {
      font-size: 1.1rem;
      font-weight: 700;
      margin-bottom: 6px;
    }
    .step-text p {
      color: var(--text-secondary);
      font-size: 0.95rem;
    }

    /* FAQ */
    .faq-item {
      background: var(--glass-bg);
      border: 1px solid var(--glass-border);
      border-radius: var(--radius-md);
      margin-bottom: 12px;
      transition: var(--transition-base);
    }
    .faq-question {
      padding: 18px 24px;
      cursor: pointer;
      display: flex;
      justify-content: space-between;
      align-items: center;
      font-weight: 600;
    }
    .faq-answer {
      padding: 0 24px 18px;
      color: var(--text-secondary);
      display: none;
    }
    .faq-item.active .faq-answer {
      display: block;
    }
    .faq-item.active {
      border-color: var(--accent-cyan);
    }

    /* CTA Float */
    .float-cta {
      position: fixed;
      bottom: 20px;
      left: 20px;
      z-index: 900;
    }
    .fab-btn {
      background: var(--accent-blue);
      border-radius: 50px;
      padding: 12px 24px;
      font-weight: 700;
      color: #fff;
      display: flex;
      align-items: center;
      gap: 8px;
      box-shadow: 0 0 22px rgba(0,82,255,0.55);
      transition: transform 0.3s ease;
    }
    .fab-btn:hover {
      transform: scale(1.05);
    }

    /* Footer */
    .site-footer {
      background: var(--bg-secondary);
      border-top: 1px solid var(--border-color);
      padding: 50px 0 28px;
      margin-top: 60px;
    }
    .footer-grid {
      display: grid;
      grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
      gap: 36px;
      margin-bottom: 36px;
    }
    .footer-col h4 {
      font-size: 1.05rem;
      margin-bottom: 14px;
      font-weight: 700;
      color: #fff;
    }
    .footer-col ul {
      list-style: none;
    }
    .footer-col ul li {
      margin-bottom: 8px;
    }
    .footer-col ul li a {
      color: var(--text-muted);
      font-size: 0.92rem;
    }
    .footer-col ul li a:hover {
      color: var(--accent-cyan);
    }
    .footer-bottom {
      border-top: 1px solid rgba(255,255,255,0.08);
      padding-top: 20px;
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
    }

    @media (max-width: 768px) {
      .header-inner {
        flex-wrap: wrap;
      }
      .nav-list {
        display: none;
        flex-direction: column;
        position: absolute;
        top: 68px;
        left: 0;
        right: 0;
        background: rgba(8,9,15,0.95);
        padding: 16px;
      }
      .nav-list.open {
        display: flex;
      }
      .mobile-toggle {
        display: block;
      }
      .hero-section h1 {
        font-size: 2rem;
      }
      .hero-section {
        min-height: 70vh;
      }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13,17,30,0.7);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #8B9DC3;
            --border-color: rgba(0,82,255,0.25);
            --border-glow: rgba(0,240,255,0.3);
            --radius-sm: 8px;
            --radius-md: 16px;
            --radius-lg: 24px;
            --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
            --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
            --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --glass-bg: rgba(8,9,15,0.6);
            --glass-border: rgba(0,240,255,0.15);
            --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
            --text-glow-blue: 0 0 12px rgba(0,82,255,0.5);
            --text-glow-cyan: 0 0 12px rgba(0,240,255,0.5);
        }

        body {
            font-family: var(--font-body);
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.65;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
            margin: 0;
            padding: 0;
        }

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

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

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

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(8,9,15,0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--glass-border);
            transition: var(--transition-base);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 68px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .logo {
            font-size: 1.25rem;
            font-weight: 700;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .nav-list {
            display: flex;
            gap: 8px;
            list-style: none;
            align-items: center;
            margin: 0;
            padding: 0;
        }

        .nav-list li a {
            display: block;
            padding: 10px 18px;
            border-radius: 50px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-secondary);
            transition: var(--transition-base);
            white-space: nowrap;
        }

        .nav-list li a:hover,
        .nav-list li a.active {
            color: #fff;
            background: rgba(0,82,255,0.2);
        }

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

        .btn-login {
            padding: 10px 20px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--text-primary);
            background: transparent;
            border: 1px solid rgba(255,255,255,0.3);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-login:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.08);
        }

        .btn-signup {
            padding: 10px 24px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 0.9rem;
            color: #fff;
            background: var(--accent-blue);
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 16px rgba(0,82,255,0.5);
        }

        .btn-signup:hover {
            background: #0040d0;
            box-shadow: 0 0 28px rgba(0,82,255,0.7);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.6rem;
            cursor: pointer;
            padding: 8px;
        }

        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            background: url('/assets/images/backpic/back-3.jpg') center/cover no-repeat;
            padding: 120px 0 80px;
            margin-top: 0;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(8,9,15,0.88) 0%, rgba(13,17,30,0.75) 100%);
        }

        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 700px;
        }

        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.85rem;
            font-weight: 700;
            letter-spacing: 0.5px;
            background: rgba(0,240,255,0.12);
            border: 1px solid rgba(0,240,255,0.3);
            color: var(--accent-cyan);
            margin-bottom: 20px;
        }

        .hero-section h1 {
            font-size: 3.2rem;
            font-weight: 800;
            line-height: 1.15;
            margin-bottom: 18px;
            letter-spacing: -0.8px;
        }

        .hero-desc {
            font-size: 1.15rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
            max-width: 560px;
        }

        .hero-actions {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
            margin-bottom: 28px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent-blue);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 24px rgba(0,82,255,0.45);
        }

        .btn-primary:hover {
            background: #0040d0;
            box-shadow: 0 0 36px rgba(0,82,255,0.65);
            transform: translateY(-2px);
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 30px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: transparent;
            color: #fff;
            border: 2px solid rgba(255,255,255,0.35);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255,255,255,0.06);
        }

        .section {
            padding: 80px 0;
        }

        .section-title {
            font-size: 2.2rem;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: -0.5px;
            line-height: 1.3;
        }

        .section-subtitle {
            font-size: 1.05rem;
            color: var(--text-secondary);
            margin-bottom: 48px;
            line-height: 1.6;
            max-width: 600px;
        }

        .glass-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-md);
            padding: 28px;
            transition: var(--transition-base);
        }

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

        .glass-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
            border-radius: var(--radius-sm);
            margin-bottom: 16px;
        }

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

        .glass-card p {
            font-size: 0.9rem;
            color: var(--text-secondary);
            line-height: 1.5;
        }

        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 24px;
        }

        .progress-ring-wrap {
            display: flex;
            flex-direction: column;
            align-items: flex-start;
            gap: 20px;
            margin: 32px 0;
        }

        .progress-ring {
            width: 140px;
            height: 140px;
            border-radius: 50%;
            position: relative;
            background: conic-gradient(var(--accent-cyan) 65%, rgba(255,255,255,0.1) 0deg);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .progress-inner {
            width: 110px;
            height: 110px;
            border-radius: 50%;
            background: var(--bg-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
        }

        .tier-preview {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .tier-tag {
            padding: 10px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            background: rgba(0,82,255,0.15);
            border: 1px solid var(--border-color);
            color: var(--text-primary);
            cursor: pointer;
            transition: var(--transition-base);
        }

        .tier-tag:hover {
            background: rgba(0,240,255,0.1);
            border-color: var(--accent-cyan);
        }

        .steps-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 32px;
            margin-top: 40px;
        }

        .step-card {
            background: linear-gradient(145deg, rgba(13,17,30,0.9) 0%, rgba(8,9,15,0.6) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 32px 24px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent-cyan), var(--accent-blue));
        }

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

        .step-icon {
            font-size: 2.5rem;
            color: var(--accent-cyan);
            margin-bottom: 16px;
            display: block;
        }

        .step-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .step-card p {
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
        }

        .platform-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            margin-top: 40px;
        }

        .platform-card {
            background: var(--glass-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-lg);
            padding: 40px 32px;
            text-align: center;
            transition: var(--transition-base);
        }

        .platform-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
            transform: translateY(-6px);
        }

        .platform-card i {
            font-size: 4rem;
            color: var(--accent-cyan);
            margin-bottom: 20px;
            display: block;
        }

        .platform-card h3 {
            font-size: 1.6rem;
            font-weight: 700;
            margin-bottom: 12px;
        }

        .platform-card p {
            font-size: 1rem;
            color: var(--text-secondary);
            line-height: 1.6;
            margin-bottom: 24px;
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 32px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            background: var(--accent-blue);
            color: #fff;
            border: none;
            cursor: pointer;
            transition: var(--transition-base);
            box-shadow: 0 0 20px rgba(0,82,255,0.45);
            min-width: 200px;
            justify-content: center;
        }

        .btn-download:hover {
            background: #0040d0;
            box-shadow: 0 0 32px rgba(0,82,255,0.7);
            transform: translateY(-2px);
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
        }

        .benefit-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 16px;
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-sm);
            transition: var(--transition-base);
        }

        .benefit-list li:hover {
            border-color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

        .benefit-list li i {
            color: var(--accent-cyan);
            font-size: 1.4rem;
            margin-top: 2px;
            flex-shrink: 0;
        }

        .faq-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 16px;
            max-width: 800px;
            margin: 40px auto 0;
        }

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

        .faq-question {
            padding: 20px 24px;
            font-weight: 700;
            font-size: 1.05rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition-base);
        }

        .faq-question i {
            transition: var(--transition-base);
            color: var(--accent-cyan);
        }

        .faq-answer {
            padding: 0 24px 20px;
            font-size: 0.95rem;
            color: var(--text-secondary);
            line-height: 1.6;
            display: none;
        }

        .faq-item.active .faq-answer {
            display: block;
        }

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

        .faq-item:hover {
            border-color: var(--accent-cyan);
        }

        .cta-section {
            background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
            position: relative;
            padding: 80px 0;
            text-align: center;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: rgba(8,9,15,0.8);
        }

        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 600px;
            margin: 0 auto;
        }

        .cta-section h2 {
            font-size: 2.5rem;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-section p {
            font-size: 1.1rem;
            color: var(--text-secondary);
            margin-bottom: 32px;
            line-height: 1.6;
        }

        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-primary);
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }

        .footer-col ul li a:hover {
            color: var(--accent-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        .fixed-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(8,9,15,0.95);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-top: 1px solid var(--glass-border);
            padding: 12px 20px;
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 16px;
            z-index: 999;
        }

        .fixed-cta-bar .btn-primary {
            padding: 12px 32px;
            font-size: 0.95rem;
        }

        @media (max-width: 1024px) {
            .hero-section h1 {
                font-size: 2.4rem;
            }
            .platform-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 70vh;
                padding: 100px 0 60px;
            }
            .hero-section h1 {
                font-size: 1.8rem;
            }
            .hero-desc {
                font-size: 0.95rem;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.7rem;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: rgba(8,9,15,0.95);
                backdrop-filter: blur(18px);
                flex-direction: column;
                padding: 16px 20px;
                gap: 4px;
                border-bottom: 1px solid var(--glass-border);
            }
            .nav-list.active {
                display: flex;
            }
            .nav-list li a {
                width: 100%;
                padding: 14px 20px;
            }
            .platform-card {
                padding: 28px 20px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .fixed-cta-bar {
                flex-direction: column;
                gap: 10px;
                padding: 16px;
            }
            .fixed-cta-bar .btn-primary {
                width: 100%;
                justify-content: center;
            }
        }

        @media (max-width: 520px) {
            .hero-section h1 {
                font-size: 1.5rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .hero-actions .btn-primary,
            .hero-actions .btn-outline {
                width: 100%;
                justify-content: center;
            }
            .section-title {
                font-size: 1.4rem;
            }
            .platform-card i {
                font-size: 3rem;
            }
            .btn-download {
                width: 100%;
            }
            .tier-preview {
                flex-direction: column;
                gap: 10px;
            }
            .tier-tag {
                text-align: center;
            }
        }

/* roulang page: category4 */
:root {
      --bg-primary: #08090F;
      --bg-secondary: #0D111E;
      --bg-card: rgba(13,17,30,0.7);
      --accent-blue: #0052FF;
      --accent-cyan: #00F0FF;
      --accent-gold: #FFBF00;
      --text-primary: #FFFFFF;
      --text-secondary: #CBD5E1;
      --text-muted: #8B9DC3;
      --border-color: rgba(0,82,255,0.25);
      --border-glow: rgba(0,240,255,0.3);
      --radius-sm: 8px;
      --radius-md: 16px;
      --radius-lg: 24px;
      --shadow-glow: 0 0 20px rgba(0,240,255,0.25);
      --shadow-card: 0 4px 24px rgba(0,0,0,0.4);
      --transition-base: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
      --glass-bg: rgba(8,9,15,0.6);
      --glass-border: rgba(0,240,255,0.15);
      --font-body: 'Segoe UI', Roboto, 'Helvetica Neue', sans-serif;
    }
    body {
      font-family: var(--font-body);
      background: var(--bg-primary);
      color: var(--text-primary);
      line-height: 1.65;
      -webkit-font-smoothing: antialiased;
      overflow-x: hidden;
    }
    img { max-width: 100%; height: auto; display: block; }
    a { text-decoration: none; color: inherit; transition: var(--transition-base); }
    .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
    
    .site-header {
      position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
      background: rgba(8,9,15,0.85); backdrop-filter: blur(18px);
      border-bottom: 1px solid var(--glass-border);
      transition: var(--transition-base);
    }
    .header-inner {
      display: flex; align-items: center; justify-content: space-between;
      height: 68px; max-width: 1200px; margin: 0 auto; padding: 0 20px;
    }
    .logo {
      font-size: 1.25rem; font-weight: 700; letter-spacing: -0.3px;
      background: linear-gradient(135deg, #00F0FF, #0052FF);
      -webkit-background-clip: text; -webkit-text-fill-color: transparent;
      background-clip: text; white-space: nowrap;
    }
    .nav-list { display: flex; gap: 8px; list-style: none; align-items: center; }
    .nav-list li a {
      display: block; padding: 10px 18px; border-radius: 50px;
      font-size: 0.95rem; font-weight: 500; color: var(--text-secondary);
      transition: var(--transition-base);
      white-space: nowrap;
    }
    .nav-list li a:hover,
    .nav-list li a.active { color: #fff; background: rgba(0,82,255,0.2); }
    .nav-right { display: flex; gap: 12px; align-items: center; }
    .btn-login {
      padding: 10px 20px; border-radius: 50px; font-weight: 600;
      font-size: 0.9rem; color: var(--text-primary); background: transparent;
      border: 1px solid rgba(255,255,255,0.3); cursor: pointer; transition: var(--transition-base);
    }
    .btn-login:hover { border-color: #fff; background: rgba(255,255,255,0.08); }
    .btn-signup {
      padding: 10px 24px; border-radius: 50px; font-weight: 700;
      font-size: 0.9rem; color: #fff; background: var(--accent-blue);
      border: none; cursor: pointer; transition: var(--transition-base);
      box-shadow: 0 0 16px rgba(0,82,255,0.5);
    }
    .btn-signup:hover { background: #0040d0; box-shadow: 0 0 28px rgba(0,82,255,0.7); transform: translateY(-1px); }
    .mobile-toggle {
      display: none; background: none; border: none; color: #fff;
      font-size: 1.6rem; cursor: pointer; padding: 8px;
    }
    
    .section { padding: 80px 0; }
    .section-title { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
    .section-subtitle { font-size: 1.05rem; color: var(--text-secondary); margin-bottom: 48px; line-height: 1.6; max-width: 600px; }
    
    .hero-banner {
      position: relative; min-height: 70vh; display: flex; align-items: center;
      background: url('/assets/images/backpic/back-2.jpg') center/cover no-repeat;
      padding: 120px 0 80px;
    }
    .hero-overlay {
      position: absolute; inset: 0;
      background: linear-gradient(135deg, rgba(8,9,15,0.92) 0%, rgba(13,17,30,0.7) 100%);
    }
    .hero-content { position: relative; z-index: 2; max-width: 700px; }
    .hero-badge {
      display: inline-block; padding: 8px 20px; border-radius: 50px;
      font-size: 0.85rem; font-weight: 700; letter-spacing: 0.5px;
      background: rgba(0,240,255,0.12); border: 1px solid rgba(0,240,255,0.3);
      color: var(--accent-cyan); margin-bottom: 20px;
    }
    .hero-banner h1 {
      font-size: 3.2rem; font-weight: 800; line-height: 1.15; margin-bottom: 18px;
      letter-spacing: -0.8px;
    }
    .hero-desc { font-size: 1.15rem; color: var(--text-secondary); margin-bottom: 32px; line-height: 1.7; max-width: 560px; }
    .hero-actions { display: flex; gap: 16px; flex-wrap: wrap; align-items: center; margin-bottom: 28px; }
    .btn-primary {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 32px; border-radius: 50px; font-weight: 700; font-size: 1rem;
      background: var(--accent-blue); color: #fff; border: none; cursor: pointer;
      transition: var(--transition-base); box-shadow: 0 0 24px rgba(0,82,255,0.45);
    }
    .btn-primary:hover { background: #0040d0; box-shadow: 0 0 36px rgba(0,82,255,0.65); transform: translateY(-2px); }
    .btn-outline {
      display: inline-flex; align-items: center; gap: 8px;
      padding: 14px 30px; border-radius: 50px; font-weight: 700; font-size: 1rem;
      background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.35); cursor: pointer;
      transition: var(--transition-base);
    }
    .btn-outline:hover { border-color: #fff; background: rgba(255,255,255,0.06); }
    .hero-stats { display: flex; gap: 32px; margin-top: 20px; }
    .hero-stat-item { text-align: left; }
    .stat-number { font-size: 2rem; font-weight: 800; background: linear-gradient(135deg, #00F0FF, #0052FF); -webkit-background-clip: text; -webkit-text-fill-color: transparent; background-clip: text; }
    .stat-label { font-size: 0.85rem; color: var(--text-muted); }
    
    .tips-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(300px, 1fr)); gap: 24px; }
    .glass-card {
      background: var(--glass-bg); backdrop-filter: blur(12px);
      border: 1px solid var(--glass-border); border-radius: var(--radius-md);
      padding: 28px; transition: var(--transition-base);
    }
    .glass-card:hover { border-color: var(--accent-cyan); box-shadow: var(--shadow-glow); transform: translateY(-4px); }
    .glass-card .card-icon {
      font-size: 2.5rem; color: var(--accent-cyan); margin-bottom: 16px;
    }
    .glass-card h4 { font-size: 1.2rem; font-weight: 700; margin-bottom: 10px; }
    .glass-card p { font-size: 0.95rem; color: var(--text-secondary); line-height: 1.6; }
    
    .strategy-block {
      background: var(--bg-secondary);
      border: 1px solid var(--border-color);
      border-radius: var(--radius-lg);
      padding: 40px;
      margin-bottom: 32px;
    }
    .strategy-header { display: flex; align-items: center; gap: 16px; margin-bottom: 20px; }
    .strategy-number {
      width: 48px; height: 48px; border-radius: 50%;
      background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
      display: flex; align-items: center; justify-content: center;
      font-weight: 800; font-size: 1.3rem; color: #fff;
    }
    .strategy-header h3 { font-size: 1.5rem; font-weight: 700; margin: 0; }
    .strategy-content { color: var(--text-secondary); line-height: 1.7; font-size: 1rem; }
    
    .faq-grid { display: grid; gap: 16px; max-width: 800px; }
    .faq-item {
      background: var(--bg-card); border: 1px solid var(--glass-border);
      border-radius: var(--radius-md); padding: 24px;
      transition: var(--transition-base);
    }
    .faq-item:hover { border-color: var(--accent-cyan); }
    .faq-item h4 { font-weight: 700; margin-bottom: 8px; font-size: 1.05rem; }
    .faq-item p { color: var(--text-secondary); font-size: 0.95rem; line-height: 1.6; }
    
    .cta-section {
      background: linear-gradient(135deg, rgba(0,82,255,0.15), rgba(0,240,255,0.08));
      border: 1px solid var(--border-glow);
      border-radius: var(--radius-lg);
      padding: 60px 40px;
      text-align: center;
    }
    .cta-section h2 { font-size: 2.2rem; font-weight: 800; margin-bottom: 16px; }
    .cta-section p { color: var(--text-secondary); margin-bottom: 32px; font-size: 1.1rem; }
    
    .site-footer {
      background: var(--bg-secondary);
      border-top: 1px solid var(--glass-border);
      padding: 60px 0 30px;
      margin-top: 0;
    }
    .footer-grid { display: grid; grid-template-columns: repeat(auto-fit, minmax(200px, 1fr)); gap: 40px; margin-bottom: 40px; }
    .footer-col h4 { font-weight: 700; margin-bottom: 16px; font-size: 1.05rem; }
    .footer-col ul { list-style: none; padding: 0; }
    .footer-col ul li { margin-bottom: 10px; }
    .footer-col ul li a { color: var(--text-muted); font-size: 0.9rem; transition: var(--transition-base); }
    .footer-col ul li a:hover { color: var(--accent-cyan); }
    .footer-bottom {
      border-top: 1px solid var(--glass-border);
      padding-top: 24px;
      text-align: center;
      color: var(--text-muted);
      font-size: 0.85rem;
    }
    
    .fab-left {
      position: fixed; left: 20px; bottom: 96px; z-index: 999;
      width: 56px; height: 56px; border-radius: 50%;
      background: rgba(8,9,15,0.6); backdrop-filter: blur(10px);
      border: 2px solid;
      border-image: linear-gradient(135deg, #0052FF, #00F0FF) 1;
      display: flex; align-items: center; justify-content: center;
      box-shadow: 0 0 15px rgba(0,240,255,0.5);
      transition: var(--transition-base);
      cursor: pointer;
      color: #fff; font-size: 1.6rem;
    }
    .fab-left:hover {
      transform: scale(1.1);
      box-shadow: 0 0 28px rgba(0,240,255,0.8);
    }
    
    @media (max-width: 1024px) {
      .hero-banner h1 { font-size: 2.6rem; }
      .strategy-block { padding: 28px; }
    }
    @media (max-width: 768px) {
      .nav-list { display: none; position: absolute; top: 68px; left: 0; right: 0; background: rgba(8,9,15,0.95); flex-direction: column; padding: 20px; border-bottom: 1px solid var(--glass-border); }
      .nav-list.active { display: flex; }
      .mobile-toggle { display: block; }
      .hero-banner h1 { font-size: 2rem; }
      .hero-actions { flex-direction: column; }
      .hero-stats { flex-wrap: wrap; gap: 20px; }
      .section { padding: 50px 0; }
      .section-title { font-size: 1.7rem; }
    }
    @media (max-width: 520px) {
      .header-inner { height: 60px; }
      .logo { font-size: 1rem; }
      .btn-login, .btn-signup { padding: 8px 14px; font-size: 0.8rem; }
      .hero-banner h1 { font-size: 1.7rem; }
      .cta-section { padding: 40px 20px; }
    }