/* roulang page: index */
:root {
  --bg-primary: #08090F;
  --bg-secondary: #0D111E;
  --bg-card: rgba(13, 17, 30, 0.6);
  --accent-blue: #0052FF;
  --accent-cyan: #00F0FF;
  --text-primary: #FFFFFF;
  --text-secondary: #CBD5E1;
  --text-muted: #94A3B8;
  --border-color: rgba(0, 82, 255, 0.2);
  --shadow-glow: 0 0 15px rgba(0, 240, 255, 0.5);
  --shadow-blue: 0 0 20px rgba(0, 82, 255, 0.4);
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 8px;
  --transition-base: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.6;
  overflow-x: hidden;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background: radial-gradient(ellipse at 50% 0%, rgba(0, 82, 255, 0.12) 0%, transparent 60%),
              radial-gradient(ellipse at 80% 20%, rgba(0, 240, 255, 0.06) 0%, transparent 50%);
  pointer-events: none;
  z-index: 0;
}

img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; }
button, input, select { font-family: inherit; }

/* Container */
.container {
  width: 100%;
  max-width: 1280px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

/* Header & Navigation */
.site-header {
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  z-index: 1000;
  background: rgba(8, 9, 15, 0.75);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-bottom: 1px solid rgba(0, 82, 255, 0.15);
  transition: var(--transition-base);
}

.site-header.scrolled {
  background: rgba(8, 9, 15, 0.92);
  border-bottom: 1px solid rgba(0, 240, 255, 0.3);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  position: relative;
}

.logo-link {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 1.35rem;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
  letter-spacing: -0.5px;
  transition: opacity var(--transition-base);
}

.logo-link:hover { opacity: 0.85; }

.logo-icon {
  width: 36px;
  height: 36px;
  background: linear-gradient(135deg, var(--accent-blue), var(--accent-cyan));
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.1rem;
  box-shadow: 0 0 12px rgba(0, 82, 255, 0.5);
}

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

.nav-menu a {
  display: inline-block;
  padding: 10px 18px;
  border-radius: 100px;
  font-weight: 500;
  font-size: 0.95rem;
  color: var(--text-secondary);
  transition: var(--transition-base);
  position: relative;
}

.nav-menu a:hover {
  color: var(--text-primary);
  background: rgba(0, 82, 255, 0.1);
}

.nav-menu a.active {
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.08);
}

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

.btn-nav-login {
  padding: 9px 22px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--text-primary);
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.25);
  cursor: pointer;
  transition: var(--transition-base);
}

.btn-nav-login:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.btn-nav-signup {
  padding: 9px 24px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.9rem;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), #003dd1);
  border: none;
  cursor: pointer;
  box-shadow: 0 4px 14px rgba(0, 82, 255, 0.4);
  transition: var(--transition-base);
}

.btn-nav-signup:hover {
  box-shadow: 0 4px 24px rgba(0, 82, 255, 0.7);
  transform: translateY(-1px);
}

.mobile-toggle {
  display: none;
  background: none;
  border: none;
  color: var(--text-primary);
  font-size: 1.5rem;
  cursor: pointer;
  padding: 8px;
}

/* Hero Section */
.hero-section {
  padding: 160px 0 100px;
  position: relative;
  z-index: 1;
}

.hero-bg {
  position: absolute;
  top: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 100%;
  max-width: 1400px;
  height: 100%;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  opacity: 0.18;
  z-index: 0;
  pointer-events: none;
}

.hero-wrapper {
  display: grid;
  grid-template-columns: 1fr 0.9fr;
  gap: 60px;
  align-items: center;
  position: relative;
  z-index: 1;
}

.hero-content h1 {
  font-size: 3rem;
  font-weight: 900;
  line-height: 1.15;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #FFFFFF 0%, var(--accent-cyan) 100%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.hero-subtitle {
  font-size: 1.15rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 580px;
}

.hero-stats {
  display: flex;
  gap: 32px;
  margin-bottom: 36px;
  flex-wrap: wrap;
}

.stat-item {
  text-align: left;
}

.stat-number {
  font-size: 2rem;
  font-weight: 900;
  background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}

.stat-label {
  font-size: 0.85rem;
  color: var(--text-muted);
  margin-top: 2px;
}

.hero-cta-group {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
  align-items: center;
}

.btn-primary {
  padding: 16px 36px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 1.05rem;
  color: #fff;
  background: linear-gradient(135deg, var(--accent-blue), #0040cc);
  border: none;
  cursor: pointer;
  box-shadow: 0 6px 28px rgba(0, 82, 255, 0.5);
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}

.btn-primary:hover {
  box-shadow: 0 8px 36px rgba(0, 82, 255, 0.8);
  transform: translateY(-2px);
}

.btn-outline-light {
  padding: 16px 32px;
  border-radius: 100px;
  font-weight: 600;
  font-size: 1rem;
  color: var(--text-primary);
  background: transparent;
  border: 2px solid rgba(255, 255, 255, 0.3);
  cursor: pointer;
  transition: var(--transition-base);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn-outline-light:hover {
  border-color: var(--accent-cyan);
  color: var(--accent-cyan);
}

.hero-visual {
  position: relative;
}

.hero-visual-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 32px;
  box-shadow: 0 20px 50px rgba(0, 0, 0, 0.5), inset 0 1px 0 rgba(255,255,255,0.05);
}

.hero-visual-card h3 {
  font-size: 1.2rem;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--accent-cyan);
}

.hero-visual-card ul {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 12px;
}

.hero-visual-card li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.95rem;
  color: var(--text-secondary);
}

.hero-visual-card li i {
  color: var(--accent-cyan);
  font-size: 1rem;
}

/* Section Styles */
.section {
  padding: 80px 0;
  position: relative;
  z-index: 1;
}

.section-header {
  margin-bottom: 48px;
}

.section-tag {
  display: inline-block;
  padding: 6px 16px;
  border-radius: 100px;
  font-size: 0.8rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 1px;
  background: rgba(0, 240, 255, 0.1);
  color: var(--accent-cyan);
  border: 1px solid rgba(0, 240, 255, 0.25);
  margin-bottom: 14px;
}

.section-title {
  font-size: 2.2rem;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 14px;
  color: var(--text-primary);
}

.section-desc {
  font-size: 1.05rem;
  color: var(--text-secondary);
  max-width: 640px;
  line-height: 1.65;
}

/* News Section */
.news-grid {
  display: grid;
  grid-template-columns: 2fr 1fr;
  gap: 32px;
  align-items: start;
}

.news-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.news-item {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 18px 22px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 82, 255, 0.15);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  gap: 16px;
}

.news-item:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 4px 20px rgba(0, 240, 255, 0.08);
}

.news-item-left {
  display: flex;
  align-items: center;
  gap: 14px;
  flex: 1;
  min-width: 0;
}

.news-category-tag {
  flex-shrink: 0;
  padding: 4px 12px;
  border-radius: 100px;
  font-size: 0.75rem;
  font-weight: 600;
  background: rgba(0, 82, 255, 0.2);
  color: var(--accent-blue);
  border: 1px solid rgba(0, 82, 255, 0.3);
}

.news-title-link {
  font-weight: 600;
  font-size: 0.95rem;
  color: var(--text-primary);
  transition: color var(--transition-base);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}

.news-title-link:hover {
  color: var(--accent-cyan);
}

.news-date {
  font-size: 0.8rem;
  color: var(--text-muted);
  flex-shrink: 0;
}

.news-featured-card {
  background: var(--bg-card);
  backdrop-filter: blur(16px);
  border: 1px solid rgba(0, 240, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 28px;
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
}

.news-featured-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--accent-cyan);
}

.news-featured-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
  margin-bottom: 16px;
}

.news-featured-link {
  font-weight: 600;
  font-size: 0.9rem;
  color: var(--accent-blue);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: var(--transition-base);
}

.news-featured-link:hover {
  color: var(--accent-cyan);
}

/* Quick Answers */
.quick-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 20px;
}

.quick-card {
  padding: 26px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 82, 255, 0.12);
  border-radius: var(--radius-md);
  transition: var(--transition-base);
  cursor: default;
}

.quick-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 18px rgba(0, 240, 255, 0.1);
}

.quick-card h4 {
  font-size: 1.1rem;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-primary);
}

.quick-card p {
  font-size: 0.92rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* Safety Section */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.safety-card {
  text-align: left;
  padding: 32px 26px;
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 240, 255, 0.1);
  border-radius: var(--radius-lg);
  transition: var(--transition-base);
}

.safety-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 0 24px rgba(0, 240, 255, 0.12);
}

.safety-icon {
  width: 50px;
  height: 50px;
  border-radius: var(--radius-sm);
  background: rgba(0, 240, 255, 0.1);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  margin-bottom: 18px;
}

.safety-card h4 {
  font-size: 1.15rem;
  font-weight: 700;
  margin-bottom: 10px;
}

.safety-card p {
  font-size: 0.9rem;
  color: var(--text-secondary);
  line-height: 1.6;
}

/* App Section */
.app-wrapper {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 48px;
  align-items: center;
}

.app-info h2 {
  font-size: 2rem;
  font-weight: 800;
  margin-bottom: 16px;
}

.app-info p {
  font-size: 1.05rem;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 28px;
}

.app-badges {
  display: flex;
  gap: 16px;
  flex-wrap: wrap;
}

.app-badge {
  padding: 14px 24px;
  border-radius: 100px;
  font-weight: 700;
  font-size: 0.95rem;
  border: 2px solid rgba(0, 240, 255, 0.4);
  color: var(--accent-cyan);
  background: rgba(0, 240, 255, 0.05);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  cursor: pointer;
  transition: var(--transition-base);
}

.app-badge:hover {
  background: rgba(0, 240, 255, 0.15);
  box-shadow: 0 0 20px rgba(0, 240, 255, 0.25);
}

.app-image-area {
  background: var(--bg-card);
  backdrop-filter: blur(12px);
  border: 1px solid rgba(0, 82, 255, 0.2);
  border-radius: var(--radius-lg);
  padding: 24px;
  text-align: center;
}

.app-image-area img {
  border-radius: var(--radius-md);
  margin-bottom: 16px;
}

.app-image-area span {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Campaign Section */
.campaign-bg {
  background: linear-gradient(135deg, rgba(0, 82, 255, 0.08), rgba(0, 240, 255, 0.04));
  border-radius: var(--radius-lg);
  padding: 48px;
  border: 1px solid rgba(0, 240, 255, 0.15);
}

.campaign-inner {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 40px;
  align-items: center;
}

.campaign-text h3 {
  font-size: 1.8rem;
  font-weight: 800;
  margin-bottom: 12px;
}

.campaign-text p {
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 20px;
}

.campaign-highlights {
  list-style: none;
  display: flex;
  flex-direction: column;
  gap: 10px;
  margin-bottom: 24px;
}

.campaign-highlights li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 600;
}

.campaign-highlights i {
  color: var(--accent-cyan);
}

.campaign-visual img {
  border-radius: var(--radius-md);
  box-shadow: 0 12px 40px rgba(0, 0, 0, 0.6);
}

/* Live Preview */
.live-preview-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.live-card {
  background: var(--bg-card);
  backdrop-filter: blur(10px);
  border: 1px solid rgba(0, 82, 255, 0.15);
  border-radius: var(--radius-lg);
  overflow: hidden;
  transition: var(--transition-base);
}

.live-card:hover {
  border-color: var(--accent-cyan);
  box-shadow: 0 8px 32px rgba(0, 240, 255, 0.12);
}

.live-card-img {
  height: 160px;
  background-size: cover;
  background-position: center;
  position: relative;
}

.live-card-img .live-tag {
  position: absolute;
  top: 12px;
  right: 12px;
  padding: 5px 12px;
  border-radius: 100px;
  font-size: 0.7rem;
  font-weight: 700;
  background: #D32F2F;
  color: #fff;
  animation: pulse 2s infinite;
}

@keyframes pulse {
  0%, 100% { opacity: 1; }
  50% { opacity: 0.7; }
}

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

.live-card-body h4 {
  font-weight: 700;
  margin-bottom: 6px;
}

.live-card-body p {
  font-size: 0.85rem;
  color: var(--text-muted);
}

/* Sticky Bottom CTA */
.sticky-cta-bar {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  z-index: 999;
  background: rgba(8, 9, 15, 0.92);
  backdrop-filter: blur(20px);
  border-top: 1px solid rgba(0, 240, 255, 0.25);
  padding: 14px 24px;
  display: flex;
  align-items: center;
  justify-content: center;
  gap: 20px;
  flex-wrap: wrap;
}

.sticky-cta-bar span {
  font-weight: 600;
  font-size: 0.95rem;
}

/* FAB */
.fab-left {
  position: fixed;
  left: 20px;
  bottom: 100px;
  z-index: 998;
  width: 52px;
  height: 52px;
  border-radius: 50px;
  background: rgba(8, 9, 15, 0.65);
  backdrop-filter: blur(12px);
  border: 2px solid rgba(0, 240, 255, 0.5);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.4rem;
  color: var(--accent-cyan);
  cursor: pointer;
  box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
  transition: var(--transition-base);
  animation: float-slow 3s ease-in-out infinite;
}

.fab-left:hover {
  box-shadow: 0 0 30px rgba(0, 240, 255, 0.9);
  transform: scale(1.08);
}

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

/* Footer */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid rgba(0, 82, 255, 0.2);
  padding: 48px 0 30px;
  position: relative;
  z-index: 1;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 32px;
}

.footer-col h5 {
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.footer-col p,
.footer-col a {
  font-size: 0.9rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: block;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.08);
  padding-top: 20px;
  font-size: 0.85rem;
  color: var(--text-muted);
  text-align: center;
}

/* Responsive */
@media (max-width: 1024px) {
  .hero-wrapper { grid-template-columns: 1fr; gap: 40px; }
  .news-grid { grid-template-columns: 1fr; }
  .quick-grid { grid-template-columns: 1fr; }
  .safety-grid { grid-template-columns: repeat(2, 1fr); }
  .app-wrapper { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .live-preview-grid { grid-template-columns: repeat(2, 1fr); }
  .campaign-inner { grid-template-columns: 1fr; }
}

@media (max-width: 768px) {
  .nav-menu { display: none; }
  .mobile-toggle { display: block; }
  .hero-section { padding: 120px 0 60px; }
  .hero-content h1 { font-size: 2rem; }
  .section-title { font-size: 1.6rem; }
  .safety-grid { grid-template-columns: 1fr; }
  .live-preview-grid { grid-template-columns: 1fr; }
  .sticky-cta-bar { gap: 10px; padding: 12px; }
  .footer-grid { grid-template-columns: 1fr; }
  .campaign-bg { padding: 24px; }
}

/* roulang page: category1 */
:root {
            --primary-cyan: #00F0FF;
            --primary-blue: #0052FF;
            --bg-deep-space: #08090F;
            --bg-cyber-navy: #0D111E;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-electric: rgba(0, 240, 255, 0.3);
            --glow-cyan: 0 0 15px rgba(0, 240, 255, 0.5);
            --glow-blue: 0 0 20px rgba(0, 82, 255, 0.4);
            --card-bg: rgba(13, 17, 30, 0.8);
            --card-border: 1px solid rgba(0, 240, 255, 0.15);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background: var(--bg-deep-space);
            color: var(--text-white);
            line-height: 1.6;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

        /* Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.8);
        }

        .nav-container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 16px 20px;
            max-width: 1200px;
            margin: 0 auto;
        }

        .logo {
            font-size: 1.5rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-cyan), var(--primary-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            position: relative;
            padding: 8px 0;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary-cyan);
            box-shadow: var(--glow-cyan);
            transition: width 0.3s ease;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--primary-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

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

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

        .btn-login {
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--primary-cyan);
            padding: 10px 24px;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        .btn-signup {
            background: linear-gradient(135deg, var(--primary-blue), #0066FF);
            border: none;
            color: var(--text-white);
            padding: 10px 28px;
            border-radius: 8px;
            font-weight: 700;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 0.9rem;
            box-shadow: var(--glow-blue);
        }

        .btn-signup:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(0, 82, 255, 0.6);
        }

        .mobile-menu-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(0, 240, 255, 0.5);
            color: var(--primary-cyan);
            font-size: 1.5rem;
            cursor: pointer;
            padding: 8px 12px;
            border-radius: 6px;
            transition: all 0.3s ease;
        }

        .mobile-menu-toggle:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.3);
        }

        /* Hero Section */
        .hero-section {
            background-image: linear-gradient(180deg, rgba(8,9,15,0.9) 0%, rgba(13,17,30,0.95) 100%), url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid rgba(0, 240, 255, 0.2);
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(circle at 30% 50%, rgba(0, 240, 255, 0.08), transparent 70%);
            pointer-events: none;
        }

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .hero-content h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 20px;
            background: linear-gradient(90deg, #FFFFFF, #00F0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-content .hero-subtitle {
            font-size: 1.2rem;
            color: var(--text-silver);
            margin-bottom: 30px;
            line-height: 1.7;
        }

        .hero-timer-box {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-electric);
            border-radius: 16px;
            padding: 30px;
            text-align: center;
            backdrop-filter: blur(10px);
        }

        .timer-label {
            font-size: 0.9rem;
            color: var(--text-silver);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 16px;
        }

        .countdown {
            display: flex;
            gap: 16px;
            justify-content: center;
            margin-bottom: 24px;
        }

        .countdown-item {
            background: var(--bg-deep-space);
            border: 1px solid var(--border-electric);
            border-radius: 12px;
            padding: 16px 20px;
            min-width: 70px;
            box-shadow: var(--glow-cyan);
        }

        .countdown-item .number {
            font-size: 2.2rem;
            font-weight: 800;
            color: var(--primary-cyan);
            display: block;
        }

        .countdown-item .unit {
            font-size: 0.75rem;
            color: var(--text-silver);
            text-transform: uppercase;
        }

        .hero-visual img {
            width: 100%;
            border-radius: 16px;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.2);
            border: 1px solid var(--border-electric);
        }

        /* Section Styles */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background: rgba(13, 17, 30, 0.5);
        }

        .section-title {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--text-white);
        }

        .section-desc {
            font-size: 1.05rem;
            color: var(--text-silver);
            margin-bottom: 48px;
            line-height: 1.7;
            max-width: 800px;
        }

        /* Steps */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 30px;
            margin-top: 40px;
        }

        .step-card {
            background: var(--card-bg);
            border: var(--card-border);
            border-radius: 16px;
            padding: 40px 30px;
            position: relative;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .step-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.2);
            transform: translateY(-5px);
        }

        .step-number {
            width: 50px;
            height: 50px;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: var(--glow-blue);
        }

        .step-card h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-white);
        }

        .step-card p {
            color: var(--text-silver);
            line-height: 1.6;
        }

        /* Game Guide Cards */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }

        .guide-card {
            background: var(--card-bg);
            border: var(--card-border);
            border-radius: 16px;
            padding: 32px;
            display: flex;
            gap: 24px;
            transition: all 0.3s ease;
            backdrop-filter: blur(10px);
        }

        .guide-card:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.15);
        }

        .guide-card img {
            width: 120px;
            height: 120px;
            object-fit: cover;
            border-radius: 12px;
            border: 1px solid var(--border-electric);
        }

        .guide-content h3 {
            font-size: 1.2rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--text-white);
        }

        .guide-content p {
            color: var(--text-silver);
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .guide-link {
            color: var(--primary-cyan);
            text-decoration: none;
            font-weight: 600;
            font-size: 0.9rem;
            transition: all 0.3s ease;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .guide-link:hover {
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.5);
        }

        /* Tips */
        .tips-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            margin-top: 40px;
        }

        .tip-item {
            background: var(--card-bg);
            border: var(--card-border);
            border-radius: 12px;
            padding: 24px;
            display: flex;
            gap: 16px;
            align-items: flex-start;
            transition: all 0.3s ease;
        }

        .tip-item:hover {
            border-color: rgba(0, 240, 255, 0.5);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.1);
        }

        .tip-icon {
            font-size: 1.5rem;
            color: var(--primary-cyan);
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: rgba(0, 240, 255, 0.1);
            border-radius: 10px;
        }

        .tip-content h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-white);
        }

        .tip-content p {
            color: var(--text-silver);
            line-height: 1.6;
            font-size: 0.9rem;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border: var(--card-border);
            border-radius: 12px;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .faq-question {
            padding: 24px 30px;
            cursor: pointer;
            font-weight: 700;
            font-size: 1.05rem;
            display: flex;
            justify-content: space-between;
            align-items: center;
            color: var(--text-white);
            transition: all 0.3s ease;
        }

        .faq-question:hover {
            color: var(--primary-cyan);
            text-shadow: 0 0 10px rgba(0, 240, 255, 0.3);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.4s ease;
            color: var(--text-silver);
            padding: 0 30px;
        }

        .faq-item.active .faq-answer {
            max-height: 300px;
            padding: 0 30px 24px;
        }

        .faq-item.active .faq-question {
            color: var(--primary-cyan);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(0,82,255,0.2), rgba(0,240,255,0.1));
            border: 1px solid var(--border-electric);
            border-radius: 24px;
            padding: 60px 40px;
            text-align: center;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.1);
        }

        .cta-btn {
            display: inline-block;
            background: linear-gradient(135deg, var(--primary-blue), var(--primary-cyan));
            color: var(--text-white);
            padding: 16px 40px;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1.1rem;
            text-decoration: none;
            transition: all 0.3s ease;
            box-shadow: var(--glow-blue);
            margin-top: 24px;
        }

        .cta-btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(0, 240, 255, 0.5);
        }

        /* Footer */
        .site-footer {
            background: rgba(8, 9, 15, 0.95);
            border-top: 1px solid rgba(0, 240, 255, 0.2);
            padding: 60px 0 30px;
            margin-top: 80px;
        }

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

        .footer-col h5 {
            font-size: 1.1rem;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--primary-cyan);
        }

        .footer-col p,
        .footer-col a {
            color: var(--text-silver);
            line-height: 1.8;
            font-size: 0.9rem;
            text-decoration: none;
            display: block;
            transition: all 0.3s ease;
        }

        .footer-col a:hover {
            color: var(--primary-cyan);
        }

        .footer-bottom {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            color: var(--text-silver);
            font-size: 0.85rem;
        }

        /* FAB */
        .floating-fab {
            position: fixed;
            left: 16px;
            bottom: 96px;
            z-index: 999;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(10px);
            border: 2px solid transparent;
            background-clip: padding-box;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            opacity: 0.6;
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.5);
            animation: fabPulse 2s ease-in-out infinite;
        }

        .floating-fab::before {
            content: '';
            position: absolute;
            top: -2px;
            left: -2px;
            right: -2px;
            bottom: -2px;
            border-radius: 50%;
            background: linear-gradient(135deg, #00F0FF, #0052FF);
            z-index: -1;
        }

        .floating-fab:hover {
            opacity: 1;
            transform: scale(1.1);
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.8);
        }

        @keyframes fabPulse {
            0%, 100% { opacity: 0.6; }
            50% { opacity: 1; }
        }

        .fab-icon {
            color: var(--primary-cyan);
            font-size: 1.5rem;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .hero-content h1 {
                font-size: 2.2rem;
            }
            .steps-grid {
                grid-template-columns: 1fr 1fr;
            }
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .tips-list {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 280px;
                height: calc(100vh - 70px);
                background: rgba(8, 9, 15, 0.98);
                backdrop-filter: blur(30px);
                flex-direction: column;
                gap: 0;
                padding: 20px 0;
                transition: left 0.3s ease;
                border-right: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-menu.active {
                left: 0;
            }
            .nav-menu a {
                padding: 16px 30px;
                display: block;
                border-bottom: 1px solid rgba(0, 240, 255, 0.05);
            }
            .mobile-menu-toggle {
                display: block;
            }
            .nav-actions {
                gap: 8px;
            }
            .btn-login, .btn-signup {
                padding: 8px 16px;
                font-size: 0.8rem;
            }
            .hero-content h1 {
                font-size: 1.8rem;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .guide-card {
                flex-direction: column;
            }
            .guide-card img {
                width: 100%;
                height: 200px;
            }
            .cta-section {
                padding: 40px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .countdown {
                flex-wrap: wrap;
            }
            .section-title {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 16px;
            }
            .hero-section {
                padding: 50px 0;
            }
            .hero-content h1 {
                font-size: 1.5rem;
            }
            .countdown-item {
                min-width: 55px;
                padding: 12px 10px;
            }
            .countdown-item .number {
                font-size: 1.6rem;
            }
            .floating-fab {
                width: 48px;
                height: 48px;
                left: 12px;
                bottom: 80px;
            }
        }

/* roulang page: article */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.75);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-glow: rgba(0, 240, 255, 0.45);
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0, 82, 255, 0.25);
            --border-glow: rgba(0, 240, 255, 0.55);
            --radius-lg: 1.25rem;
            --radius-md: 0.85rem;
            --radius-sm: 0.5rem;
            --shadow-glow: 0 0 18px rgba(0, 240, 255, 0.35);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.45);
            --transition-smooth: all 0.28s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        body {
            font-family: 'Inter', 'Segoe UI', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        /* Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 100;
            background: rgba(8, 9, 15, 0.82);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border-subtle);
            box-shadow: 0 4px 22px rgba(0, 0, 0, 0.6);
        }

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

        .logo {
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.3px;
            background: linear-gradient(135deg, #00F0FF 0%, #0052FF 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 0.25rem;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-secondary);
            text-decoration: none;
            padding: 0.55rem 1.15rem;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 0.95rem;
            transition: var(--transition-smooth);
            position: relative;
            letter-spacing: 0.2px;
        }

        .nav-menu a:hover,
        .nav-menu a.active {
            color: var(--text-primary);
            background: rgba(0, 240, 255, 0.12);
            box-shadow: 0 0 10px rgba(0, 240, 255, 0.25);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }

        .btn-login {
            background: transparent;
            border: 1px solid var(--border-subtle);
            color: var(--text-primary);
            padding: 0.5rem 1.35rem;
            border-radius: 2rem;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: var(--transition-smooth);
        }

        .btn-login:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: var(--shadow-glow);
        }

        .btn-signup {
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            border: none;
            color: #08090F;
            font-weight: 700;
            padding: 0.5rem 1.5rem;
            border-radius: 2rem;
            font-size: 0.9rem;
            cursor: pointer;
            box-shadow: 0 4px 15px rgba(0, 240, 255, 0.4);
            transition: var(--transition-smooth);
        }

        .btn-signup:hover {
            box-shadow: 0 6px 24px rgba(0, 240, 255, 0.65);
            transform: translateY(-1px);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.6rem;
            cursor: pointer;
        }

        /* Article Hero */
        .article-hero {
            padding: 8rem 0 3.5rem;
            background: linear-gradient(180deg, #0D111E 0%, #08090F 100%);
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }
        .article-hero::before {
            content: '';
            position: absolute;
            top: -15%;
            right: -5%;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(0,240,255,0.18) 0%, transparent 70%);
            border-radius: 50%;
            filter: blur(70px);
        }

        .article-hero-content {
            position: relative;
            z-index: 2;
            max-width: 880px;
        }

        .article-category-tag {
            display: inline-block;
            background: rgba(0, 240, 255, 0.12);
            color: var(--accent-cyan);
            font-weight: 700;
            font-size: 0.85rem;
            padding: 0.35rem 1.1rem;
            border-radius: 2rem;
            letter-spacing: 0.4px;
            text-transform: uppercase;
            border: 1px solid var(--border-glow);
            margin-bottom: 1.2rem;
        }

        .article-hero h1 {
            font-size: 2.8rem;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: -0.5px;
            color: var(--text-primary);
            margin-bottom: 1rem;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            color: var(--text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            margin-top: 1.25rem;
        }
        .article-meta i {
            margin-right: 0.3rem;
            color: var(--accent-cyan);
        }

        /* Article Body */
        .article-body-wrapper {
            padding: 3.5rem 0 4.5rem;
            background: var(--bg-primary);
        }

        .article-layout {
            display: grid;
            grid-template-columns: 1fr;
            max-width: 820px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 2.8rem 2.5rem;
            box-shadow: var(--shadow-card);
        }

        .article-content {
            font-size: 1.08rem;
            line-height: 1.75;
            color: var(--text-secondary);
        }
        .article-content h2 {
            font-size: 1.8rem;
            font-weight: 700;
            color: #fff;
            margin: 2.2rem 0 1rem;
            border-left: 5px solid var(--accent-cyan);
            padding-left: 1.2rem;
        }
        .article-content h3 {
            font-size: 1.4rem;
            font-weight: 650;
            color: #E2E8F0;
            margin: 1.8rem 0 0.75rem;
        }
        .article-content p {
            margin-bottom: 1.3rem;
        }
        .article-content img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 1.8rem 0;
            border: 1px solid var(--border-subtle);
        }
        .article-content blockquote {
            border-left: 4px solid var(--accent-cyan);
            padding: 1.2rem 1.8rem;
            margin: 2rem 0;
            background: rgba(0,82,255,0.08);
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            font-style: italic;
            color: #CBD5E1;
        }

        .not-found-message {
            text-align: center;
            padding: 5rem 2rem;
            color: var(--text-muted);
        }

        /* CTA Section */
        .cta-section {
            padding: 4rem 0 5rem;
            background: linear-gradient(180deg, #08090F, #0D111E);
            text-align: center;
        }
        .cta-inner {
            max-width: 700px;
            margin: 0 auto;
            background: rgba(0,82,255,0.08);
            backdrop-filter: blur(14px);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 3rem 2rem;
        }
        .cta-inner h2 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 1rem;
        }
        .cta-button {
            display: inline-block;
            background: linear-gradient(135deg, #0052FF, #00F0FF);
            color: #08090F;
            font-weight: 800;
            padding: 0.9rem 2.8rem;
            border-radius: 3rem;
            font-size: 1.15rem;
            margin-top: 1.8rem;
            text-decoration: none;
            box-shadow: 0 0 25px rgba(0,240,255,0.45);
            transition: var(--transition-smooth);
        }
        .cta-button:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 35px rgba(0,240,255,0.7);
        }

        /* Footer */
        .site-footer {
            background: #06070D;
            border-top: 1px solid var(--border-subtle);
            padding: 3.5rem 0 1.8rem;
            color: var(--text-secondary);
            font-size: 0.95rem;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 2.2rem;
            margin-bottom: 2.5rem;
        }
        .footer-col h5 {
            color: #fff;
            font-weight: 700;
            margin-bottom: 1.15rem;
            font-size: 1.05rem;
        }
        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            margin-bottom: 0.65rem;
            transition: color 0.2s;
        }
        .footer-col a:hover {
            color: var(--accent-cyan);
        }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,0.08);
            padding-top: 1.8rem;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.85rem;
        }

        /* FAB */
        .fab-floating {
            position: fixed;
            left: 1.5rem;
            bottom: 6rem;
            z-index: 99;
            width: 54px;
            height: 54px;
            background: rgba(8,9,15,0.75);
            backdrop-filter: blur(15px);
            border-radius: 30px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 18px var(--accent-glow);
            cursor: pointer;
            transition: var(--transition-smooth);
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .fab-floating:hover {
            transform: scale(1.12);
            box-shadow: 0 0 28px rgba(0,240,255,0.8);
            border-color: var(--accent-cyan);
        }

        @media (max-width: 1024px) {
            .article-hero h1 { font-size: 2.2rem; }
            .footer-grid { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 72px;
                left: 0;
                width: 100%;
                background: rgba(8,9,15,0.96);
                backdrop-filter: blur(20px);
                padding: 1.5rem;
            }
            .nav-menu.active { display: flex; }
            .mobile-menu-toggle { display: block; }
            .article-layout { padding: 1.8rem; }
            .article-hero h1 { font-size: 1.9rem; }
            .footer-grid { grid-template-columns: 1fr; }
        }

/* roulang page: category3 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --bg-card: rgba(13, 17, 30, 0.65);
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --accent-gold: #FFBF00;
            --text-primary: #FFFFFF;
            --text-secondary: #CBD5E1;
            --text-muted: #94A3B8;
            --border-subtle: rgba(0, 82, 255, 0.2);
            --border-glow: rgba(0, 240, 255, 0.45);
            --shadow-card: 0 12px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow: 0 0 18px rgba(0, 82, 255, 0.3);
            --radius-lg: 24px;
            --radius-md: 16px;
            --radius-sm: 10px;
            --transition-base: all 0.25s ease;
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, 'Segoe UI', Roboto, sans-serif;
            background: var(--bg-primary);
            color: var(--text-primary);
            line-height: 1.6;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(18px);
            -webkit-backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-subtle);
            z-index: 100;
            transition: var(--transition-base);
        }

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

        .logo {
            font-size: 1.6rem;
            font-weight: 700;
            letter-spacing: -0.5px;
            background: linear-gradient(135deg, #FFFFFF 0%, #CBD5E1 100%);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .logo i {
            background: none;
            -webkit-text-fill-color: var(--accent-cyan);
            font-size: 1.8rem;
        }

        .nav-menu {
            display: flex;
            align-items: center;
            list-style: none;
            gap: 6px;
        }
        .nav-menu a {
            display: block;
            padding: 10px 18px;
            font-weight: 500;
            font-size: 0.95rem;
            color: var(--text-secondary);
            text-decoration: none;
            border-radius: 40px;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .nav-menu a:hover,
        .nav-menu a.active {
            color: #FFFFFF;
            background: rgba(0, 82, 255, 0.18);
            box-shadow: 0 0 12px rgba(0, 82, 255, 0.25);
        }

        .header-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .btn-login {
            background: transparent;
            border: none;
            color: #FFFFFF;
            font-weight: 500;
            cursor: pointer;
            transition: var(--transition-base);
        }
        .btn-login:hover { color: var(--accent-cyan); }
        .btn-signup {
            background: linear-gradient(135deg, var(--accent-blue), #0037B3);
            border: none;
            padding: 10px 24px;
            border-radius: 40px;
            font-weight: 600;
            color: white;
            cursor: pointer;
            box-shadow: 0 4px 14px rgba(0, 82, 255, 0.45);
            transition: var(--transition-base);
        }
        .btn-signup:hover {
            box-shadow: 0 6px 20px rgba(0, 240, 255, 0.35);
            transform: translateY(-1px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }

        /* Hero Section */
        .hero-promo {
            padding: 130px 0 70px;
            background: radial-gradient(circle at 30% 30%, rgba(0,82,255,0.15) 0%, transparent 55%);
            position: relative;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 50px;
            align-items: center;
        }
        .countdown-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(0,82,255,0.2);
            border: 1px solid var(--border-glow);
            padding: 8px 20px;
            border-radius: 40px;
            font-weight: 500;
            margin-bottom: 24px;
            backdrop-filter: blur(10px);
        }
        .countdown-timer {
            display: flex;
            gap: 10px;
            margin: 28px 0;
        }
        .time-box {
            background: rgba(255,255,255,0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255,255,255,0.1);
            border-radius: 16px;
            padding: 10px 16px;
            text-align: center;
            min-width: 60px;
        }
        .time-digit {
            font-size: 2.3rem;
            font-weight: 700;
            color: var(--accent-cyan);
            line-height: 1.2;
        }
        .carousel-dots {
            display: flex;
            gap: 8px;
            margin-top: 20px;
        }
        .dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: #475569;
            transition: 0.3s;
            cursor: pointer;
        }
        .dot.active { background: var(--accent-cyan); box-shadow: 0 0 10px var(--accent-cyan); }

        .hero-image-panel {
            background: rgba(13,17,30,0.5);
            backdrop-filter: blur(14px);
            border-radius: 32px;
            padding: 30px;
            border: 1px solid rgba(255,255,255,0.08);
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        /* Glass Card System */
        .glass-card {
            background: var(--bg-card);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255,255,255,0.08);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            transition: var(--transition-base);
        }
        .glass-card:hover {
            border-color: var(--border-glow);
            box-shadow: 0 16px 40px rgba(0,82,255,0.25);
        }

        .btn-primary {
            background: linear-gradient(135deg, #0052FF, #0037B3);
            padding: 14px 32px;
            border-radius: 40px;
            font-weight: 600;
            color: white;
            border: none;
            cursor: pointer;
            box-shadow: 0 8px 22px rgba(0,82,255,0.4);
            transition: var(--transition-base);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .btn-primary:hover {
            box-shadow: 0 12px 28px rgba(0,240,255,0.3);
            transform: translateY(-2px);
        }

        /* Sticky bottom bar */
        .sticky-cta-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: rgba(8,9,15,0.92);
            backdrop-filter: blur(20px);
            border-top: 1px solid var(--border-glow);
            padding: 14px 0;
            z-index: 90;
            display: flex;
            justify-content: center;
            gap: 24px;
        }

        /* FAB Left */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 110px;
            z-index: 95;
            width: 56px;
            height: 56px;
            background: rgba(0,0,0,0.7);
            backdrop-filter: blur(14px);
            border-radius: 40px;
            display: flex;
            align-items: center;
            justify-content: center;
            border: 2px solid transparent;
            background-clip: padding-box;
            box-shadow: 0 0 18px rgba(0,240,255,0.55);
            transition: 0.3s;
            cursor: pointer;
            color: var(--accent-cyan);
            font-size: 1.6rem;
        }
        .fab-left:hover {
            box-shadow: 0 0 28px rgba(0,240,255,0.9);
            transform: scale(1.08);
        }

        footer {
            background: #0B0E14;
            border-top: 1px solid rgba(255,255,255,0.06);
            padding: 50px 0 90px;
            margin-top: 70px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(4,1fr);
            gap: 30px;
        }
        .footer-col h5 {
            font-weight: 600;
            margin-bottom: 14px;
            color: white;
        }
        .footer-col a, .footer-col p {
            color: #94A3B8;
            font-size: 0.9rem;
            display: block;
            margin-bottom: 8px;
            text-decoration: none;
        }
        .footer-bottom {
            margin-top: 30px;
            text-align: center;
            color: #64748B;
            font-size: 0.85rem;
        }

        @media (max-width: 768px) {
            .hero-grid { grid-template-columns: 1fr; }
            .nav-menu { display: none; }
            .mobile-toggle { display: block; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
        }
        @media (max-width: 520px) {
            .footer-grid { grid-template-columns: 1fr; }
            .time-digit { font-size: 1.6rem; }
        }

/* roulang page: category2 */
:root {
            --bg-primary: #08090F;
            --bg-secondary: #0D111E;
            --accent-blue: #0052FF;
            --accent-cyan: #00F0FF;
            --text-white: #FFFFFF;
            --text-silver: #CBD5E1;
            --border-glow: rgba(0, 240, 255, 0.4);
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-glow: 0 0 20px rgba(0, 240, 255, 0.3);
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.6);
        }

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

        body {
            font-family: 'Inter', system-ui, -apple-system, sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-white);
            line-height: 1.6;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        .container {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* Header & Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(8, 9, 15, 0.9);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(0, 240, 255, 0.15);
        }

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

        .logo {
            font-size: 1.35rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            text-decoration: none;
            letter-spacing: -0.5px;
            white-space: nowrap;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            gap: 32px;
            align-items: center;
        }

        .nav-menu a {
            color: var(--text-silver);
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            transition: all 0.2s ease;
            position: relative;
            padding: 4px 0;
        }

        .nav-menu a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent-cyan);
            transition: width 0.25s ease;
        }

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

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

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

        .btn-login {
            padding: 8px 20px;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            border-radius: 8px;
            font-weight: 600;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-login:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.25);
        }

        .btn-signup {
            padding: 8px 20px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #000;
            border: none;
            border-radius: 8px;
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: all 0.25s ease;
            text-decoration: none;
            white-space: nowrap;
        }

        .btn-signup:hover {
            box-shadow: 0 0 25px rgba(0, 240, 255, 0.5);
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            font-size: 1.5rem;
            padding: 6px 12px;
            border-radius: 8px;
            cursor: pointer;
        }

        /* Hero Banner */
        .hero-kv {
            position: relative;
            min-height: 520px;
            background: linear-gradient(135deg, #0A0E1A 0%, #0D1525 40%, #0B1220 100%);
            display: flex;
            align-items: center;
            overflow: hidden;
        }

        .hero-kv::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(0, 82, 255, 0.15) 0%, transparent 70%);
            z-index: 1;
        }

        .hero-kv::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--accent-cyan), transparent);
            animation: scanLine 3s linear infinite;
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .hero-text {
            flex: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 240, 255, 0.1);
            border: 1px solid var(--border-glow);
            color: var(--accent-cyan);
            padding: 6px 16px;
            border-radius: 30px;
            font-size: 0.85rem;
            font-weight: 600;
            margin-bottom: 20px;
        }

        .hero-text h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: -1px;
        }

        .hero-text h1 span {
            background: linear-gradient(135deg, var(--accent-cyan), #80E0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-sub {
            font-size: 1.1rem;
            color: var(--text-silver);
            margin-bottom: 28px;
            max-width: 500px;
        }

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

        .countdown-item {
            background: rgba(0, 240, 255, 0.08);
            border: 1px solid var(--border-glow);
            padding: 12px 18px;
            border-radius: 12px;
            text-align: center;
            min-width: 70px;
        }

        .countdown-num {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--accent-cyan);
            line-height: 1;
        }

        .countdown-label {
            font-size: 0.75rem;
            color: var(--text-silver);
            margin-top: 4px;
        }

        .countdown-sep {
            font-size: 1.8rem;
            font-weight: 700;
            color: var(--accent-cyan);
        }

        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn-claim {
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #000;
            border: none;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
            box-shadow: 0 0 30px rgba(0, 240, 255, 0.4);
        }

        .btn-claim:hover {
            transform: translateY(-3px);
            box-shadow: 0 0 45px rgba(0, 240, 255, 0.6);
        }

        .btn-info {
            padding: 14px 32px;
            border: 2px solid var(--accent-cyan);
            color: var(--accent-cyan);
            background: transparent;
            border-radius: 12px;
            font-weight: 700;
            font-size: 1rem;
            cursor: pointer;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-info:hover {
            background: rgba(0, 240, 255, 0.08);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.2);
        }

        .hero-visual {
            flex: 0 0 420px;
            position: relative;
        }

        .hero-visual img {
            width: 100%;
            border-radius: 20px;
            box-shadow: var(--shadow-card), 0 0 60px rgba(0, 240, 255, 0.15);
            border: 1px solid rgba(0, 240, 255, 0.2);
        }

        /* Section Styles */
        .section {
            padding: 80px 0;
        }

        .section-dark {
            background: var(--bg-secondary);
        }

        .section-header {
            margin-bottom: 48px;
            max-width: 700px;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--accent-cyan);
            text-transform: uppercase;
            letter-spacing: 2px;
            margin-bottom: 12px;
        }

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

        .section-desc {
            font-size: 1rem;
            color: var(--text-silver);
            line-height: 1.7;
        }

        /* Glass Cards */
        .glass-card {
            background: rgba(13, 17, 30, 0.7);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border: 1px solid rgba(0, 240, 255, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: all 0.3s ease;
        }

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

        /* Promo Grid */
        .promo-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .promo-card {
            background: rgba(13, 17, 30, 0.8);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid rgba(0, 240, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 24px;
            position: relative;
            overflow: hidden;
            transition: all 0.3s ease;
        }

        .promo-card:hover {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 35px rgba(0, 240, 255, 0.25);
            transform: translateY(-6px);
        }

        .promo-tag {
            position: absolute;
            top: 16px;
            right: 16px;
            background: linear-gradient(135deg, #FF4500, #FF6B35);
            color: #fff;
            padding: 4px 12px;
            border-radius: 20px;
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.5px;
        }

        .promo-icon {
            font-size: 2.2rem;
            margin-bottom: 16px;
            color: var(--accent-cyan);
        }

        .promo-card h3 {
            font-size: 1.25rem;
            font-weight: 700;
            margin-bottom: 10px;
        }

        .promo-value {
            font-size: 2rem;
            font-weight: 900;
            background: linear-gradient(135deg, var(--accent-cyan), #80C0FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            margin-bottom: 8px;
        }

        .promo-card p {
            color: var(--text-silver);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }

        .btn-promo {
            display: inline-block;
            width: 100%;
            text-align: center;
            padding: 12px;
            background: transparent;
            border: 1px solid var(--accent-cyan);
            color: var(--accent-cyan);
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.9rem;
            text-decoration: none;
            transition: all 0.25s ease;
        }

        .btn-promo:hover {
            background: rgba(0, 240, 255, 0.1);
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.3);
        }

        /* Steps */
        .steps-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
            max-width: 700px;
        }

        .step-item {
            display: flex;
            gap: 20px;
            align-items: flex-start;
            padding: 20px;
            background: rgba(13, 17, 30, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            transition: all 0.25s ease;
        }

        .step-item:hover {
            border-color: var(--border-glow);
            background: rgba(13, 17, 30, 0.9);
        }

        .step-num {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #000;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 1.1rem;
        }

        .step-content h4 {
            font-weight: 700;
            margin-bottom: 4px;
        }

        .step-content p {
            color: var(--text-silver);
            font-size: 0.9rem;
        }

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

        .testimonial-card {
            background: rgba(13, 17, 30, 0.7);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-lg);
            padding: 28px;
        }

        .testimonial-stars {
            color: #FFD700;
            margin-bottom: 12px;
            font-size: 1rem;
        }

        .testimonial-text {
            color: var(--text-silver);
            font-style: italic;
            margin-bottom: 16px;
            line-height: 1.7;
        }

        .testimonial-author {
            font-weight: 700;
            color: var(--accent-cyan);
        }

        /* FAQ */
        .faq-list {
            max-width: 800px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(13, 17, 30, 0.6);
            border: 1px solid rgba(0, 240, 255, 0.1);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all 0.25s ease;
        }

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

        .faq-q {
            padding: 18px 24px;
            font-weight: 700;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            font-size: 1rem;
        }

        .faq-a {
            padding: 0 24px 20px;
            color: var(--text-silver);
            line-height: 1.7;
            display: none;
        }

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

        .faq-item.active {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 15px rgba(0, 240, 255, 0.15);
        }

        /* CTA */
        .cta-section {
            text-align: center;
            padding: 80px 0;
            background: linear-gradient(135deg, rgba(0, 82, 255, 0.08) 0%, rgba(0, 240, 255, 0.04) 100%);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            border-bottom: 1px solid rgba(0, 240, 255, 0.1);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section p {
            color: var(--text-silver);
            margin-bottom: 28px;
            font-size: 1.05rem;
        }

        /* Footer */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid rgba(0, 240, 255, 0.1);
            padding: 60px 0 30px;
        }

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

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

        .footer-col p,
        .footer-col a {
            color: var(--text-silver);
            font-size: 0.9rem;
            display: block;
            margin-bottom: 8px;
            text-decoration: none;
            transition: color 0.2s;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(0, 240, 255, 0.08);
            padding-top: 20px;
            text-align: center;
            color: var(--text-silver);
            font-size: 0.85rem;
        }

        /* Bottom Sticky Bar */
        .sticky-bottom-bar {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            background: rgba(8, 9, 15, 0.95);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border-top: 2px solid rgba(0, 240, 255, 0.25);
            padding: 14px 20px;
            z-index: 999;
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .sticky-bottom-bar .sticky-text {
            color: var(--text-silver);
            font-weight: 600;
            font-size: 0.95rem;
        }

        .sticky-bottom-bar .sticky-cta {
            padding: 12px 28px;
            background: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue));
            color: #000;
            border: none;
            border-radius: 10px;
            font-weight: 700;
            font-size: 0.95rem;
            cursor: pointer;
            text-decoration: none;
            transition: all 0.25s ease;
            animation: glowPulse 2s ease-in-out infinite;
        }

        /* Left FAB */
        .fab-left {
            position: fixed;
            left: 20px;
            bottom: 100px;
            z-index: 998;
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(8, 9, 15, 0.85);
            backdrop-filter: blur(12px);
            border: 2px solid;
            border-image: linear-gradient(135deg, var(--accent-cyan), var(--accent-blue)) 1;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--accent-cyan);
            font-size: 1.4rem;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 0 20px rgba(0, 240, 255, 0.4);
            opacity: 0.6;
            animation: float 3s ease-in-out infinite;
        }

        .fab-left:hover {
            opacity: 1;
            box-shadow: 0 0 40px rgba(0, 240, 255, 0.65);
            transform: scale(1.1);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-content {
                flex-direction: column;
                gap: 40px;
            }
            .hero-visual {
                flex: 0 0 auto;
                max-width: 450px;
                width: 100%;
            }
            .hero-text h1 {
                font-size: 2.4rem;
            }
            .promo-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .nav-menu {
                display: none;
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                background: rgba(8, 9, 15, 0.98);
                flex-direction: column;
                padding: 20px;
                gap: 16px;
                border-bottom: 1px solid rgba(0, 240, 255, 0.2);
            }
            .nav-menu.open {
                display: flex;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-actions {
                display: flex;
            }
            .hero-kv {
                min-height: auto;
                padding: 60px 0;
            }
            .hero-text h1 {
                font-size: 1.8rem;
            }
            .promo-grid {
                grid-template-columns: 1fr;
            }
            .section {
                padding: 50px 0;
            }
            .section-title {
                font-size: 1.6rem;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .sticky-bottom-bar {
                flex-direction: column;
                text-align: center;
                gap: 10px;
            }
        }

        @media (max-width: 520px) {
            .header-inner {
                height: 60px;
            }
            .logo {
                font-size: 1.1rem;
            }
            .hero-text h1 {
                font-size: 1.5rem;
            }
            .countdown-bar {
                gap: 8px;
            }
            .countdown-item {
                padding: 8px 12px;
                min-width: 55px;
            }
            .countdown-num {
                font-size: 1.3rem;
            }
            .hero-cta-group {
                flex-direction: column;
            }
            .btn-claim,
            .btn-info,
            .btn-promo {
                width: 100%;
                text-align: center;
            }
            .fab-left {
                left: 12px;
                bottom: 120px;
                width: 48px;
                height: 48px;
                font-size: 1.2rem;
            }
        }