/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --clr-primary: #0f1629;
  --clr-primary-light: #1a2355;
  --clr-accent: #f0c040;
  --clr-accent-hover: #e0b030;
  --clr-accent-glow: rgba(240, 192, 64, 0.25);
  --clr-bg: #0b1124;
  --clr-bg-card: rgba(255, 255, 255, 0.04);
  --clr-bg-card-hover: rgba(255, 255, 255, 0.08);
  --clr-bg-nav: rgba(15, 22, 41, 0.85);
  --clr-bg-section-alt: rgba(255, 255, 255, 0.02);
  --clr-text: #f0f2f8;
  --clr-text-secondary: #a8b0c8;
  --clr-text-muted: #6a7290;
  --clr-border: rgba(255, 255, 255, 0.08);
  --clr-border-hover: rgba(255, 255, 255, 0.18);
  --clr-success: #4ade80;
  --clr-info: #60a5fa;
  --clr-warning: #fbbf24;
  --radius-sm: 8px;
  --radius-md: 14px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --radius-full: 9999px;
  --shadow-sm: 0 2px 12px rgba(0, 0, 0, 0.25);
  --shadow-md: 0 8px 32px rgba(0, 0, 0, 0.35);
  --shadow-lg: 0 20px 60px rgba(0, 0, 0, 0.5);
  --shadow-glow: 0 0 40px rgba(240, 192, 64, 0.15);
  --transition: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, 'Noto Sans SC', sans-serif;
  --spacing-section: 100px;
  --container-max: 1200px;
  --container-padding: 24px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
body {
  font-family: var(--font-sans);
  background: var(--clr-bg);
  color: var(--clr-text);
  line-height: 1.7;
  overflow-x: hidden;
  min-height: 100vh;
}
a { color: var(--clr-accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--clr-accent-hover); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: inherit; outline: none; border: none; }
ul, ol { list-style: none; }
::selection { background: var(--clr-accent); color: var(--clr-primary); }

/* ===== Container ===== */
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 var(--container-padding);
}

/* ===== Floating Dock Navigation ===== */
.header {
  position: fixed;
  top: 18px;
  left: 0;
  right: 0;
  z-index: 1000;
  display: flex;
  justify-content: center;
  pointer-events: none;
}
.nav-dock {
  pointer-events: auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  background: var(--clr-bg-nav);
  backdrop-filter: blur(24px) saturate(1.4);
  -webkit-backdrop-filter: blur(24px) saturate(1.4);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-full);
  padding: 10px 28px 10px 24px;
  width: 100%;
  max-width: 820px;
  box-shadow: var(--shadow-md), 0 0 0 1px rgba(255, 255, 255, 0.04) inset;
  transition: var(--transition);
}
.nav-dock:hover {
  border-color: var(--clr-border-hover);
  box-shadow: var(--shadow-lg), 0 0 0 1px rgba(255, 255, 255, 0.06) inset;
}
.nav-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 700;
  font-size: 1.2rem;
  color: var(--clr-text);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}
.nav-brand .brand-icon {
  width: 34px;
  height: 34px;
  background: linear-gradient(135deg, var(--clr-accent), #e8b830);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1rem;
  color: var(--clr-primary);
  font-weight: 800;
  box-shadow: 0 0 20px var(--clr-accent-glow);
}
.nav-brand .brand-text {
  background: linear-gradient(135deg, var(--clr-text), var(--clr-accent));
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-links a {
  padding: 8px 18px;
  border-radius: var(--radius-full);
  font-size: 0.9rem;
  font-weight: 500;
  color: var(--clr-text-secondary);
  transition: var(--transition);
  position: relative;
  white-space: nowrap;
}
.nav-links a:hover {
  color: var(--clr-text);
  background: rgba(255, 255, 255, 0.06);
}
.nav-links a.active {
  color: var(--clr-accent);
  background: rgba(240, 192, 64, 0.12);
}
.nav-links a.active::after {
  content: '';
  position: absolute;
  bottom: 2px;
  left: 50%;
  transform: translateX(-50%);
  width: 18px;
  height: 2px;
  background: var(--clr-accent);
  border-radius: 2px;
}
.nav-cta {
  display: flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}
.nav-cta .search-btn {
  width: 38px;
  height: 38px;
  border-radius: 50%;
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-text-secondary);
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  transition: var(--transition);
  font-size: 0.95rem;
}
.nav-cta .search-btn:hover {
  background: rgba(255, 255, 255, 0.12);
  color: var(--clr-text);
}
.nav-cta .btn-login {
  padding: 8px 22px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--clr-accent), #d4a020);
  color: var(--clr-primary);
  font-weight: 600;
  font-size: 0.85rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 4px 16px var(--clr-accent-glow);
}
.nav-cta .btn-login:hover {
  transform: translateY(-2px);
  box-shadow: 0 6px 28px var(--clr-accent-glow);
  color: var(--clr-primary);
}
.mobile-toggle {
  display: none;
  width: 38px;
  height: 38px;
  border-radius: var(--radius-sm);
  background: rgba(255, 255, 255, 0.06);
  color: var(--clr-text);
  align-items: center;
  justify-content: center;
  cursor: pointer;
  font-size: 1.1rem;
  transition: var(--transition);
}
.mobile-toggle:hover {
  background: rgba(255, 255, 255, 0.12);
}

/* ===== Hero Section ===== */
.hero {
  position: relative;
  min-height: 100vh;
  display: flex;
  align-items: center;
  justify-content: center;
  background: linear-gradient(135deg, var(--clr-primary) 0%, #0d1a3a 50%, var(--clr-primary-light) 100%);
  overflow: hidden;
  padding: 140px 24px 100px;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  opacity: 0.25;
  mix-blend-mode: screen;
  z-index: 1;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at 30% 50%, rgba(240, 192, 64, 0.06) 0%, transparent 60%),
              radial-gradient(ellipse at 70% 30%, rgba(96, 165, 250, 0.04) 0%, transparent 50%);
  z-index: 2;
}
.hero-content {
  position: relative;
  z-index: 3;
  text-align: center;
  max-width: 820px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 20px;
  background: rgba(240, 192, 64, 0.12);
  border: 1px solid rgba(240, 192, 64, 0.2);
  border-radius: var(--radius-full);
  font-size: 0.85rem;
  color: var(--clr-accent);
  margin-bottom: 28px;
  backdrop-filter: blur(8px);
}
.hero-badge i {
  font-size: 0.75rem;
}
.hero-title {
  font-size: clamp(2.4rem, 7vw, 4.2rem);
  font-weight: 800;
  line-height: 1.15;
  letter-spacing: -0.02em;
  margin-bottom: 20px;
  background: linear-gradient(135deg, #ffffff 0%, var(--clr-accent) 80%);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;
  background-clip: text;
}
.hero-sub {
  font-size: clamp(1rem, 2vw, 1.2rem);
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto 36px;
  line-height: 1.8;
}
.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
}
.hero-actions .btn-primary {
  padding: 14px 40px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--clr-accent), #d4a020);
  color: var(--clr-primary);
  font-weight: 700;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px var(--clr-accent-glow);
  display: inline-flex;
  align-items: center;
  gap: 10px;
}
.hero-actions .btn-primary:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 48px var(--clr-accent-glow);
  color: var(--clr-primary);
}
.hero-actions .btn-secondary {
  padding: 14px 36px;
  border-radius: var(--radius-full);
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid var(--clr-border);
  color: var(--clr-text);
  font-weight: 600;
  font-size: 1rem;
  cursor: pointer;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 10px;
  backdrop-filter: blur(8px);
}
.hero-actions .btn-secondary:hover {
  background: rgba(255, 255, 255, 0.10);
  border-color: var(--clr-border-hover);
  transform: translateY(-3px);
}
.hero-stats {
  display: flex;
  justify-content: center;
  gap: 40px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stat-item {
  text-align: center;
}
.hero-stat-item .num {
  font-size: 1.8rem;
  font-weight: 800;
  color: var(--clr-accent);
  letter-spacing: -0.02em;
}
.hero-stat-item .label {
  font-size: 0.85rem;
  color: var(--clr-text-muted);
  margin-top: 2px;
}
.hero-scroll {
  position: absolute;
  bottom: 36px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: var(--clr-text-muted);
  font-size: 1.2rem;
  animation: bounce-down 2s infinite;
  cursor: pointer;
}
@keyframes bounce-down {
  0%, 100% { transform: translateX(-50%) translateY(0); }
  50% { transform: translateX(-50%) translateY(8px); }
}

/* ===== Section Shared ===== */
.section {
  padding: var(--spacing-section) 0;
}
.section-alt {
  background: var(--clr-bg-section-alt);
}
.section-header {
  text-align: center;
  margin-bottom: 56px;
}
.section-header .tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.8rem;
  font-weight: 600;
  color: var(--clr-accent);
  background: rgba(240, 192, 64, 0.1);
  padding: 6px 16px;
  border-radius: var(--radius-full);
  margin-bottom: 16px;
  letter-spacing: 1px;
  text-transform: uppercase;
}
.section-header h2 {
  font-size: clamp(1.8rem, 3.5vw, 2.6rem);
  font-weight: 700;
  line-height: 1.25;
  margin-bottom: 12px;
  color: var(--clr-text);
}
.section-header p {
  font-size: 1rem;
  color: var(--clr-text-secondary);
  max-width: 600px;
  margin: 0 auto;
  line-height: 1.7;
}

/* ===== Features Section ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 24px;
}
.feature-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 36px 28px;
  transition: var(--transition);
  text-align: center;
}
.feature-card:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.feature-card .icon-box {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  background: linear-gradient(135deg, rgba(240, 192, 64, 0.15), rgba(240, 192, 64, 0.05));
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 1.6rem;
  color: var(--clr-accent);
  margin: 0 auto 20px;
  border: 1px solid rgba(240, 192, 64, 0.15);
}
.feature-card h3 {
  font-size: 1.15rem;
  font-weight: 600;
  margin-bottom: 10px;
  color: var(--clr-text);
}
.feature-card p {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
  line-height: 1.65;
}

/* ===== Games Section ===== */
.games-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
  gap: 24px;
}
.game-card {
  position: relative;
  border-radius: var(--radius-md);
  overflow: hidden;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  transition: var(--transition);
  cursor: pointer;
}
.game-card:hover {
  border-color: var(--clr-border-hover);
  transform: translateY(-4px);
  box-shadow: var(--shadow-md);
}
.game-card .game-img {
  width: 100%;
  aspect-ratio: 16 / 10;
  object-fit: cover;
  display: block;
  background: var(--clr-primary-light);
  transition: var(--transition);
}
.game-card:hover .game-img {
  transform: scale(1.03);
}
.game-card .game-info {
  padding: 20px 22px 24px;
}
.game-card .game-info .game-cat {
  display: inline-block;
  font-size: 0.75rem;
  font-weight: 600;
  color: var(--clr-accent);
  background: rgba(240, 192, 64, 0.1);
  padding: 3px 12px;
  border-radius: var(--radius-full);
  margin-bottom: 8px;
}
.game-card .game-info h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 6px;
}
.game-card .game-info p {
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}
.game-card .game-info .game-tag {
  display: inline-flex;
  align-items: center;
  gap: 4px;
  font-size: 0.75rem;
  color: var(--clr-text-muted);
  margin-top: 10px;
}
.game-card .game-info .game-tag i {
  color: var(--clr-accent);
}

/* ===== Latest News Section (CMS) ===== */
.news-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}
.news-card {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  padding: 24px 26px;
  transition: var(--transition);
}
.news-card:hover {
  background: var(--clr-bg-card-hover);
  border-color: var(--clr-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.news-card .news-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 10px;
  font-size: 0.8rem;
  color: var(--clr-text-muted);
}
.news-card .news-meta .news-cat {
  color: var(--clr-accent);
  background: rgba(240, 192, 64, 0.08);
  padding: 2px 12px;
  border-radius: var(--radius-full);
  font-weight: 500;
}
.news-card .news-meta .news-date {
  display: flex;
  align-items: center;
  gap: 4px;
}
.news-card h3 {
  font-size: 1.05rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 8px;
  line-height: 1.4;
}
.news-card h3 a {
  color: var(--clr-text);
  transition: var(--transition);
}
.news-card h3 a:hover {
  color: var(--clr-accent);
}
.news-card p {
  font-size: 0.88rem;
  color: var(--clr-text-secondary);
  line-height: 1.65;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.news-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 60px 20px;
  color: var(--clr-text-muted);
  font-size: 1rem;
  background: var(--clr-bg-card);
  border-radius: var(--radius-md);
  border: 1px dashed var(--clr-border);
}

/* ===== Stats / Data Section ===== */
.data-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
  gap: 24px;
  text-align: center;
}
.data-item {
  padding: 36px 20px;
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.data-item:hover {
  border-color: var(--clr-border-hover);
  transform: translateY(-3px);
  box-shadow: var(--shadow-sm);
}
.data-item .data-num {
  font-size: 2.4rem;
  font-weight: 800;
  color: var(--clr-accent);
  line-height: 1.2;
  margin-bottom: 4px;
}
.data-item .data-num span {
  font-size: 1.2rem;
  color: var(--clr-text-muted);
  font-weight: 400;
}
.data-item .data-label {
  font-size: 0.9rem;
  color: var(--clr-text-secondary);
}

/* ===== Process / Journey Section ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  position: relative;
}
.process-grid::before {
  content: '';
  position: absolute;
  top: 44px;
  left: 10%;
  right: 10%;
  height: 2px;
  background: linear-gradient(90deg, var(--clr-accent), rgba(240, 192, 64, 0.2), var(--clr-accent));
  opacity: 0.3;
  z-index: 0;
}
.process-step {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 16px;
  background: var(--clr-bg);
  border-radius: var(--radius-md);
  transition: var(--transition);
}
.process-step:hover {
  transform: translateY(-4px);
}
.process-step .step-node {
  width: 52px;
  height: 52px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--clr-accent), #d4a020);
  color: var(--clr-primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 700;
  font-size: 1.2rem;
  margin: 0 auto 16px;
  box-shadow: 0 0 30px var(--clr-accent-glow);
  border: 3px solid var(--clr-bg);
}
.process-step h4 {
  font-size: 1rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 6px;
}
.process-step p {
  font-size: 0.85rem;
  color: var(--clr-text-secondary);
  line-height: 1.6;
}

/* ===== FAQ Section ===== */
.faq-grid {
  max-width: 760px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.faq-item {
  background: var(--clr-bg-card);
  border: 1px solid var(--clr-border);
  border-radius: var(--radius-sm);
  padding: 20px 26px;
  transition: var(--transition);
  cursor: pointer;
}
.faq-item:hover {
  border-color: var(--clr-border-hover);
  background: var(--clr-bg-card-hover);
}
.faq-item .faq-q {
  display: flex;
  justify-content: space-between;
  align-items: center;
  font-weight: 600;
  font-size: 1rem;
  color: var(--clr-text);
}
.faq-item .faq-q i {
  color: var(--clr-text-muted);
  transition: var(--transition);
  font-size: 0.85rem;
}
.faq-item.open .faq-q i {
  transform: rotate(180deg);
  color: var(--clr-accent);
}
.faq-item .faq-a {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease, padding 0.3s ease;
  color: var(--clr-text-secondary);
  font-size: 0.9rem;
  line-height: 1.7;
}
.faq-item.open .faq-a {
  max-height: 300px;
  padding-top: 14px;
}

/* ===== CTA Section ===== */
.cta-section {
  position: relative;
  padding: 80px 0;
  background: linear-gradient(135deg, var(--clr-primary), var(--clr-primary-light));
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.08;
  mix-blend-mode: screen;
}
.cta-inner {
  position: relative;
  z-index: 1;
  text-align: center;
  max-width: 640px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--clr-text);
}
.cta-inner p {
  font-size: 1rem;
  color: var(--clr-text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.cta-inner .btn-cta {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  padding: 16px 48px;
  border-radius: var(--radius-full);
  background: linear-gradient(135deg, var(--clr-accent), #d4a020);
  color: var(--clr-primary);
  font-weight: 700;
  font-size: 1.05rem;
  cursor: pointer;
  transition: var(--transition);
  box-shadow: 0 8px 32px var(--clr-accent-glow);
}
.cta-inner .btn-cta:hover {
  transform: translateY(-3px);
  box-shadow: 0 12px 48px var(--clr-accent-glow);
  color: var(--clr-primary);
}

/* ===== Footer ===== */
.footer {
  background: var(--clr-primary);
  border-top: 1px solid var(--clr-border);
  padding: 56px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  flex-direction: column;
  gap: 12px;
}
.footer-brand .footer-logo {
  font-size: 1.2rem;
  font-weight: 700;
  color: var(--clr-text);
  display: flex;
  align-items: center;
  gap: 8px;
}
.footer-brand .footer-logo .logo-dot {
  width: 10px;
  height: 10px;
  border-radius: 50%;
  background: var(--clr-accent);
  box-shadow: 0 0 16px var(--clr-accent-glow);
}
.footer-brand p {
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  line-height: 1.7;
  max-width: 280px;
}
.footer-col h4 {
  font-size: 0.95rem;
  font-weight: 600;
  color: var(--clr-text);
  margin-bottom: 16px;
}
.footer-col a {
  display: block;
  font-size: 0.88rem;
  color: var(--clr-text-muted);
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover {
  color: var(--clr-accent);
  padding-left: 4px;
}
.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding-top: 24px;
  border-top: 1px solid var(--clr-border);
  font-size: 0.82rem;
  color: var(--clr-text-muted);
}
.footer-bottom a {
  color: var(--clr-text-muted);
}
.footer-bottom a:hover {
  color: var(--clr-accent);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 32px;
  }
  .process-grid::before {
    display: none;
  }
}

@media (max-width: 768px) {
  :root {
    --spacing-section: 60px;
    --container-padding: 20px;
  }
  .header {
    top: 12px;
  }
  .nav-dock {
    padding: 8px 16px 8px 18px;
    max-width: calc(100% - 24px);
    border-radius: var(--radius-lg);
  }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 0;
    right: 0;
    background: var(--clr-bg-nav);
    backdrop-filter: blur(24px);
    -webkit-backdrop-filter: blur(24px);
    border: 1px solid var(--clr-border);
    border-radius: var(--radius-md);
    padding: 8px;
    flex-direction: column;
    gap: 2px;
    box-shadow: var(--shadow-lg);
  }
  .nav-links.open {
    display: flex;
  }
  .nav-links a {
    padding: 12px 20px;
    width: 100%;
    text-align: center;
  }
  .nav-links a.active::after {
    display: none;
  }
  .mobile-toggle {
    display: flex;
  }
  .nav-cta .search-btn {
    display: none;
  }
  .nav-cta .btn-login {
    padding: 6px 16px;
    font-size: 0.8rem;
  }
  .hero {
    padding: 120px 20px 80px;
    min-height: 90vh;
  }
  .hero-stats {
    gap: 24px;
  }
  .hero-stat-item .num {
    font-size: 1.4rem;
  }
  .features-grid {
    grid-template-columns: 1fr 1fr;
  }
  .games-grid {
    grid-template-columns: 1fr 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 24px;
    text-align: center;
  }
  .footer-brand p {
    max-width: 100%;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .nav-dock {
    padding: 6px 12px 6px 14px;
    max-width: calc(100% - 16px);
    border-radius: var(--radius-md);
  }
  .nav-brand {
    font-size: 1rem;
  }
  .nav-brand .brand-icon {
    width: 28px;
    height: 28px;
    font-size: 0.8rem;
  }
  .nav-cta .btn-login {
    padding: 4px 14px;
    font-size: 0.75rem;
  }
  .hero-title {
    font-size: 1.8rem;
  }
  .hero-sub {
    font-size: 0.9rem;
  }
  .hero-actions .btn-primary,
  .hero-actions .btn-secondary {
    padding: 12px 28px;
    font-size: 0.9rem;
  }
  .features-grid {
    grid-template-columns: 1fr;
  }
  .games-grid {
    grid-template-columns: 1fr;
  }
  .news-list {
    grid-template-columns: 1fr;
  }
  .data-grid {
    grid-template-columns: 1fr;
  }
  .process-grid {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 1.5rem;
  }
  .cta-inner .btn-cta {
    padding: 14px 32px;
    font-size: 0.95rem;
  }
}

/* ===== Accessibility ===== */
a:focus-visible,
button:focus-visible,
input:focus-visible {
  outline: 2px solid var(--clr-accent);
  outline-offset: 3px;
  border-radius: 4px;
}

/* ===== Animations ===== */
.fade-in {
  opacity: 0;
  transform: translateY(20px);
  animation: fadeInUp 0.7s ease forwards;
}
@keyframes fadeInUp {
  to { opacity: 1; transform: translateY(0); }
}
.fade-in-delay-1 { animation-delay: 0.1s; }
.fade-in-delay-2 { animation-delay: 0.2s; }
.fade-in-delay-3 { animation-delay: 0.3s; }
.fade-in-delay-4 { animation-delay: 0.4s; }

/* roulang page: article */
/* ===== Design Variables ===== */
    :root {
        --primary: #4F46E5;
        --primary-dark: #3730A3;
        --primary-light: #818CF8;
        --secondary: #0EA5E9;
        --accent: #F59E0B;
        --bg: #0B0E1A;
        --bg-card: #12162A;
        --bg-elevated: #1A1F3A;
        --bg-gradient: linear-gradient(135deg, #0B0E1A 0%, #1A1040 50%, #0B0E1A 100%);
        --text: #F1F5F9;
        --text-secondary: #94A3B8;
        --text-muted: #64748B;
        --border: rgba(79, 70, 229, 0.15);
        --border-light: rgba(255,255,255,0.05);
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 20px;
        --radius-xl: 28px;
        --shadow-sm: 0 2px 12px rgba(0,0,0,0.2);
        --shadow-md: 0 8px 32px rgba(0,0,0,0.3);
        --shadow-lg: 0 20px 60px rgba(0,0,0,0.4);
        --shadow-glow: 0 0 40px rgba(79,70,229,0.15);
        --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
        --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
        --max-width: 1160px;
        --header-h: 72px;
    }

    /* ===== Reset & Base ===== */
    *, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
    html { scroll-behavior: smooth; -webkit-font-smoothing: antialiased; }
    body {
        font-family: var(--font);
        background: var(--bg);
        color: var(--text);
        line-height: 1.7;
        min-height: 100vh;
        overflow-x: hidden;
    }
    a { color: var(--primary-light); text-decoration: none; transition: var(--transition); }
    a:hover { color: #fff; }
    img { max-width: 100%; height: auto; display: block; }
    button { cursor: pointer; font-family: inherit; border: none; background: none; color: inherit; }
    input, textarea { font-family: inherit; outline: none; }
    ul, ol { list-style: none; }
    h1, h2, h3, h4, h5, h6 { font-weight: 700; line-height: 1.25; color: #fff; }

    /* ===== Container ===== */
    .container {
        width: 100%;
        max-width: var(--max-width);
        margin: 0 auto;
        padding: 0 24px;
    }
    @media (max-width: 768px) {
        .container { padding: 0 16px; }
    }

    /* ===== Header / Dock Nav ===== */
    .header {
        position: fixed;
        top: 0; left: 0; right: 0;
        z-index: 1000;
        padding: 12px 20px;
        background: transparent;
        pointer-events: none;
    }
    .nav-dock {
        max-width: 820px;
        margin: 0 auto;
        display: flex;
        align-items: center;
        justify-content: space-between;
        background: rgba(11, 14, 26, 0.72);
        backdrop-filter: blur(18px) saturate(1.4);
        -webkit-backdrop-filter: blur(18px) saturate(1.4);
        border: 1px solid var(--border);
        border-radius: 60px;
        padding: 6px 8px 6px 20px;
        box-shadow: 0 8px 40px rgba(0,0,0,0.45), inset 0 1px 0 rgba(255,255,255,0.04);
        pointer-events: auto;
        transition: var(--transition);
    }
    .nav-dock:hover {
        border-color: rgba(79, 70, 229, 0.25);
        box-shadow: 0 8px 48px rgba(79,70,229,0.08);
    }
    .nav-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        color: #fff;
        font-weight: 700;
        font-size: 1.15rem;
        letter-spacing: -0.3px;
        flex-shrink: 0;
    }
    .nav-brand .brand-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px; height: 32px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: 10px;
        color: #fff;
        font-size: 0.85rem;
        font-weight: 800;
        letter-spacing: 0;
    }
    .nav-brand .brand-text {
        background: linear-gradient(135deg, #fff 40%, var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 4px;
        flex: 1;
        justify-content: center;
        padding: 0 12px;
    }
    .nav-links a {
        padding: 8px 18px;
        border-radius: 40px;
        color: var(--text-secondary);
        font-size: 0.88rem;
        font-weight: 500;
        transition: var(--transition);
        white-space: nowrap;
        position: relative;
    }
    .nav-links a:hover {
        color: #fff;
        background: rgba(255,255,255,0.06);
    }
    .nav-links a.active {
        color: #fff;
        background: rgba(79, 70, 229, 0.2);
        box-shadow: inset 0 1px 0 rgba(255,255,255,0.05);
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: 4px; left: 50%;
        transform: translateX(-50%);
        width: 16px; height: 2px;
        background: var(--primary-light);
        border-radius: 2px;
    }
    .nav-cta {
        display: flex;
        align-items: center;
        gap: 6px;
        flex-shrink: 0;
    }
    .search-btn {
        width: 36px; height: 36px;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--text-secondary);
        transition: var(--transition);
        font-size: 0.9rem;
    }
    .search-btn:hover { background: rgba(255,255,255,0.06); color: #fff; }
    .btn-login {
        display: flex;
        align-items: center;
        gap: 6px;
        padding: 8px 18px;
        border-radius: 40px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        font-size: 0.85rem;
        font-weight: 600;
        transition: var(--transition);
        box-shadow: 0 4px 16px rgba(79,70,229,0.25);
        border: 1px solid rgba(255,255,255,0.06);
    }
    .btn-login:hover {
        transform: translateY(-1px);
        box-shadow: 0 6px 24px rgba(79,70,229,0.35);
        background: linear-gradient(135deg, var(--primary-light), var(--primary));
    }
    .btn-login i { font-size: 0.95rem; }
    .mobile-toggle {
        display: none;
        width: 36px; height: 36px;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        color: var(--text-secondary);
        font-size: 1.15rem;
        transition: var(--transition);
    }
    .mobile-toggle:hover { background: rgba(255,255,255,0.06); color: #fff; }

    @media (max-width: 768px) {
        .header { padding: 8px 12px; }
        .nav-dock { padding: 4px 6px 4px 14px; border-radius: 40px; }
        .nav-brand .brand-text { font-size: 1rem; }
        .nav-links {
            position: fixed;
            top: 72px; left: 12px; right: 12px;
            background: rgba(11,14,26,0.88);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            flex-direction: column;
            padding: 12px 8px;
            gap: 4px;
            display: none;
            box-shadow: 0 20px 60px rgba(0,0,0,0.5);
        }
        .nav-links.open { display: flex; }
        .nav-links a { width: 100%; text-align: center; padding: 10px 16px; }
        .nav-links a.active::after { display: none; }
        .nav-cta .btn-login span { display: none; }
        .btn-login { padding: 8px 12px; }
        .btn-login i { margin: 0; }
        .mobile-toggle { display: flex; }
    }
    @media (max-width: 420px) {
        .nav-dock { padding: 4px 4px 4px 10px; }
        .nav-brand .brand-icon { width: 28px; height: 28px; font-size: 0.75rem; border-radius: 8px; }
        .nav-brand .brand-text { font-size: 0.9rem; }
        .search-btn { width: 32px; height: 32px; }
        .btn-login { padding: 6px 10px; font-size: 0.78rem; }
    }

    /* ===== Page Hero ===== */
    .page-hero {
        position: relative;
        padding: 120px 0 60px;
        background: var(--bg-gradient);
        overflow: hidden;
        min-height: 280px;
        display: flex;
        align-items: center;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
        opacity: 0.08;
        pointer-events: none;
    }
    .page-hero .glow {
        position: absolute;
        width: 500px; height: 500px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(79,70,229,0.12) 0%, transparent 70%);
        top: -120px; right: -100px;
        pointer-events: none;
    }
    .page-hero .glow-2 {
        position: absolute;
        width: 400px; height: 400px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(14,165,233,0.08) 0%, transparent 70%);
        bottom: -80px; left: -80px;
        pointer-events: none;
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
    }
    .page-hero .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        color: var(--text-muted);
        margin-bottom: 16px;
        flex-wrap: wrap;
    }
    .page-hero .breadcrumb a {
        color: var(--text-secondary);
        transition: var(--transition);
    }
    .page-hero .breadcrumb a:hover { color: var(--primary-light); }
    .page-hero .breadcrumb .sep { color: var(--text-muted); font-size: 0.7rem; }
    .page-hero .breadcrumb .current { color: var(--text); font-weight: 500; }
    .page-hero h1 {
        font-size: clamp(1.8rem, 4vw, 3rem);
        font-weight: 800;
        letter-spacing: -0.5px;
        max-width: 820px;
        line-height: 1.2;
        background: linear-gradient(135deg, #fff 50%, var(--primary-light));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .page-hero .meta-row {
        display: flex;
        flex-wrap: wrap;
        gap: 16px 28px;
        margin-top: 16px;
        font-size: 0.9rem;
        color: var(--text-secondary);
    }
    .page-hero .meta-row span {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .page-hero .meta-row i {
        color: var(--primary-light);
        font-size: 0.85rem;
    }
    .page-hero .category-badge {
        display: inline-flex;
        align-items: center;
        padding: 4px 14px;
        border-radius: 40px;
        background: rgba(79,70,229,0.2);
        border: 1px solid rgba(79,70,229,0.2);
        color: var(--primary-light);
        font-size: 0.78rem;
        font-weight: 600;
        letter-spacing: 0.3px;
    }

    @media (max-width: 768px) {
        .page-hero { padding: 100px 0 40px; min-height: 220px; }
        .page-hero h1 { font-size: 1.6rem; }
        .page-hero .meta-row { gap: 10px 20px; font-size: 0.82rem; }
    }
    @media (max-width: 520px) {
        .page-hero h1 { font-size: 1.35rem; }
    }

    /* ===== Article Main ===== */
    .article-main {
        padding: 50px 0 80px;
        background: var(--bg);
    }
    .article-layout {
        display: grid;
        grid-template-columns: 1fr 320px;
        gap: 48px;
        align-items: start;
    }
    .article-content {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-lg);
        padding: 40px 44px;
        box-shadow: var(--shadow-sm);
    }
    .article-content .content-body {
        font-size: 1.02rem;
        line-height: 1.85;
        color: var(--text);
    }
    .article-content .content-body p {
        margin-bottom: 1.4em;
    }
    .article-content .content-body h2,
    .article-content .content-body h3 {
        margin-top: 1.8em;
        margin-bottom: 0.6em;
        color: #fff;
    }
    .article-content .content-body h2 { font-size: 1.55rem; }
    .article-content .content-body h3 { font-size: 1.25rem; }
    .article-content .content-body ul,
    .article-content .content-body ol {
        padding-left: 1.6em;
        margin-bottom: 1.4em;
    }
    .article-content .content-body li {
        margin-bottom: 0.4em;
        list-style: disc;
    }
    .article-content .content-body a {
        color: var(--primary-light);
        text-decoration: underline;
        text-underline-offset: 2px;
    }
    .article-content .content-body blockquote {
        border-left: 3px solid var(--primary-light);
        padding: 12px 20px;
        margin: 1.4em 0;
        background: rgba(79,70,229,0.06);
        border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
        color: var(--text-secondary);
        font-style: italic;
    }
    .article-content .content-body code {
        background: rgba(255,255,255,0.05);
        padding: 2px 8px;
        border-radius: 4px;
        font-size: 0.9em;
        color: var(--primary-light);
    }
    .article-content .content-body img {
        border-radius: var(--radius-md);
        margin: 1.6em 0;
        box-shadow: var(--shadow-sm);
    }
    .article-content .not-found {
        text-align: center;
        padding: 60px 20px;
    }
    .article-content .not-found i {
        font-size: 3rem;
        color: var(--text-muted);
        margin-bottom: 16px;
        opacity: 0.5;
    }
    .article-content .not-found h2 {
        font-size: 1.6rem;
        margin-bottom: 8px;
    }
    .article-content .not-found p {
        color: var(--text-secondary);
        margin-bottom: 20px;
    }
    .article-content .not-found .btn-back {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 12px 28px;
        border-radius: 40px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        font-weight: 600;
        font-size: 0.9rem;
        box-shadow: 0 4px 16px rgba(79,70,229,0.25);
        transition: var(--transition);
    }
    .article-content .not-found .btn-back:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(79,70,229,0.35);
    }

    /* Article Sidebar */
    .article-sidebar {
        display: flex;
        flex-direction: column;
        gap: 28px;
    }
    .sidebar-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        padding: 24px;
        box-shadow: var(--shadow-sm);
    }
    .sidebar-card h3 {
        font-size: 1.05rem;
        margin-bottom: 16px;
        display: flex;
        align-items: center;
        gap: 8px;
        color: #fff;
    }
    .sidebar-card h3 i {
        color: var(--primary-light);
        font-size: 0.95rem;
    }
    .sidebar-card .cat-list a {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-light);
        color: var(--text-secondary);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .sidebar-card .cat-list a:last-child { border-bottom: none; }
    .sidebar-card .cat-list a:hover { color: #fff; padding-left: 6px; }
    .sidebar-card .cat-list a span {
        background: rgba(79,70,229,0.12);
        padding: 2px 10px;
        border-radius: 40px;
        font-size: 0.75rem;
        color: var(--primary-light);
    }
    .sidebar-card .quick-links a {
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 10px 0;
        border-bottom: 1px solid var(--border-light);
        color: var(--text-secondary);
        font-size: 0.9rem;
        transition: var(--transition);
    }
    .sidebar-card .quick-links a:last-child { border-bottom: none; }
    .sidebar-card .quick-links a:hover { color: #fff; padding-left: 6px; }
    .sidebar-card .quick-links a i { color: var(--primary-light); font-size: 0.8rem; width: 18px; }
    .sidebar-cta {
        background: linear-gradient(135deg, rgba(79,70,229,0.12), rgba(14,165,233,0.08));
        border: 1px solid rgba(79,70,229,0.2);
        border-radius: var(--radius-md);
        padding: 28px 24px;
        text-align: center;
    }
    .sidebar-cta h4 {
        font-size: 1.1rem;
        margin-bottom: 6px;
    }
    .sidebar-cta p {
        color: var(--text-secondary);
        font-size: 0.88rem;
        margin-bottom: 16px;
    }
    .sidebar-cta .btn-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 12px 28px;
        border-radius: 40px;
        background: linear-gradient(135deg, var(--primary), var(--primary-dark));
        color: #fff;
        font-weight: 600;
        font-size: 0.88rem;
        box-shadow: 0 4px 16px rgba(79,70,229,0.25);
        transition: var(--transition);
    }
    .sidebar-cta .btn-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 28px rgba(79,70,229,0.35);
    }

    @media (max-width: 1024px) {
        .article-layout {
            grid-template-columns: 1fr 260px;
            gap: 32px;
        }
        .article-content { padding: 32px 28px; }
    }
    @media (max-width: 768px) {
        .article-layout {
            grid-template-columns: 1fr;
            gap: 28px;
        }
        .article-content { padding: 24px 20px; border-radius: var(--radius-md); }
        .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
        .sidebar-cta { grid-column: 1 / -1; }
    }
    @media (max-width: 520px) {
        .article-sidebar { grid-template-columns: 1fr; }
        .article-content { padding: 20px 16px; }
        .article-content .content-body { font-size: 0.95rem; }
    }

    /* ===== Related Section ===== */
    .related-section {
        padding: 60px 0 80px;
        background: var(--bg);
        border-top: 1px solid var(--border-light);
    }
    .related-section .section-title {
        font-size: 1.6rem;
        font-weight: 700;
        margin-bottom: 32px;
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .related-section .section-title span {
        background: linear-gradient(135deg, var(--primary-light), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .related-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .related-card {
        background: var(--bg-card);
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        transition: var(--transition);
        box-shadow: var(--shadow-sm);
    }
    .related-card:hover {
        border-color: rgba(79,70,229,0.25);
        box-shadow: var(--shadow-glow);
        transform: translateY(-3px);
    }
    .related-card .card-img {
        height: 180px;
        background: var(--bg-elevated);
        position: relative;
        overflow: hidden;
    }
    .related-card .card-img img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: var(--transition);
    }
    .related-card:hover .card-img img { transform: scale(1.03); }
    .related-card .card-img .tag {
        position: absolute;
        top: 12px; left: 12px;
        padding: 4px 12px;
        border-radius: 40px;
        background: rgba(79,70,229,0.7);
        backdrop-filter: blur(8px);
        color: #fff;
        font-size: 0.72rem;
        font-weight: 600;
    }
    .related-card .card-body {
        padding: 18px 20px 20px;
    }
    .related-card .card-body h4 {
        font-size: 0.95rem;
        font-weight: 600;
        margin-bottom: 6px;
        color: #fff;
        line-height: 1.35;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }
    .related-card .card-body p {
        font-size: 0.82rem;
        color: var(--text-secondary);
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 10px;
    }
    .related-card .card-body .meta {
        display: flex;
        align-items: center;
        justify-content: space-between;
        font-size: 0.75rem;
        color: var(--text-muted);
    }
    .related-card .card-body .meta i { margin-right: 3px; }

    @media (max-width: 768px) {
        .related-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
        .related-section .section-title { font-size: 1.3rem; }
    }
    @media (max-width: 520px) {
        .related-grid { grid-template-columns: 1fr; }
        .related-card .card-img { height: 160px; }
    }

    /* ===== Footer ===== */
    .footer {
        background: var(--bg-card);
        border-top: 1px solid var(--border);
        padding: 60px 0 28px;
        position: relative;
    }
    .footer::before {
        content: '';
        position: absolute;
        top: 0; left: 50%;
        transform: translateX(-50%);
        width: 80%; max-width: 600px;
        height: 1px;
        background: linear-gradient(90deg, transparent, rgba(79,70,229,0.3), transparent);
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 1.8fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand .footer-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 1.2rem;
        font-weight: 700;
        color: #fff;
        margin-bottom: 14px;
    }
    .footer-brand .footer-logo .logo-dot {
        width: 10px; height: 10px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        display: inline-block;
    }
    .footer-brand p {
        color: var(--text-secondary);
        font-size: 0.88rem;
        line-height: 1.7;
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 0.92rem;
        font-weight: 600;
        color: #fff;
        margin-bottom: 16px;
        letter-spacing: 0.3px;
    }
    .footer-col a {
        display: block;
        padding: 5px 0;
        color: var(--text-secondary);
        font-size: 0.86rem;
        transition: var(--transition);
    }
    .footer-col a:hover { color: var(--primary-light); padding-left: 4px; }
    .footer-bottom {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 24px;
        border-top: 1px solid var(--border-light);
        color: var(--text-muted);
        font-size: 0.8rem;
        flex-wrap: wrap;
        gap: 12px;
    }
    .footer-bottom a {
        color: var(--text-secondary);
        transition: var(--transition);
    }
    .footer-bottom a:hover { color: var(--primary-light); }

    @media (max-width: 768px) {
        .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px 20px; }
        .footer-brand { grid-column: 1 / -1; }
        .footer-brand p { max-width: 100%; }
    }
    @media (max-width: 520px) {
        .footer-grid { grid-template-columns: 1fr; gap: 24px; }
        .footer-bottom { flex-direction: column; text-align: center; }
    }

    /* ===== Utility ===== */
    .text-gradient {
        background: linear-gradient(135deg, var(--primary-light), var(--secondary));
        -webkit-background-clip: text;
        -webkit-text-fill-color: transparent;
        background-clip: text;
    }
    .sr-only { position: absolute; width: 1px; height: 1px; padding: 0; margin: -1px; overflow: hidden; clip: rect(0,0,0,0); border: 0; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            /* Colors */
            --primary: #6c3bd9;
            --primary-light: #8b5cf6;
            --primary-dark: #4c1d95;
            --accent: #f59e0b;
            --accent-light: #fbbf24;
            --accent-dark: #d97706;
            --bg-dark: #0f0a1a;
            --bg-darker: #0a0612;
            --bg-card: #1a122e;
            --bg-card-hover: #23183d;
            --bg-surface: #1e1436;
            --text-primary: #f1e8ff;
            --text-secondary: #c4b5e3;
            --text-muted: #8b7aaa;
            --border-color: #2d1f4a;
            --border-light: #3d2a5e;
            --shadow-sm: 0 2px 8px rgba(108, 59, 217, 0.15);
            --shadow-md: 0 8px 24px rgba(108, 59, 217, 0.2);
            --shadow-lg: 0 16px 48px rgba(108, 59, 217, 0.3);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 20px;
            --radius-xl: 28px;
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, sans-serif;
            --container-max: 1200px;
            --header-height: 80px;
        }

        /* ===== Reset & Base ===== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-primary);
            background: var(--bg-dark);
            background-image: radial-gradient(ellipse at 10% 20%, rgba(108, 59, 217, 0.08) 0%, transparent 60%),
                radial-gradient(ellipse at 90% 80%, rgba(245, 158, 11, 0.05) 0%, transparent 60%);
            min-height: 100vh;
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-light);
        }
        a:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
            border-radius: 4px;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }

        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        /* ===== Container ===== */
        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 24px;
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ===== Header / Dock Nav ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            padding: 16px 24px;
            pointer-events: none;
        }

        .nav-dock {
            max-width: 1100px;
            margin: 0 auto;
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(15, 10, 26, 0.75);
            backdrop-filter: blur(20px) saturate(1.4);
            -webkit-backdrop-filter: blur(20px) saturate(1.4);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 10px 28px;
            pointer-events: all;
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.6), inset 0 1px 0 rgba(255, 255, 255, 0.05);
            transition: var(--transition);
        }

        .nav-dock:hover {
            border-color: var(--border-light);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.7), inset 0 1px 0 rgba(255, 255, 255, 0.08);
        }

        .nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-brand .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: var(--radius-sm);
            color: #fff;
            font-weight: 800;
            font-size: 14px;
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(108, 59, 217, 0.4);
        }
        .nav-brand .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            background: linear-gradient(to right, var(--text-primary), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-links a {
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            position: relative;
            letter-spacing: 0.3px;
        }
        .nav-links a:hover {
            color: var(--text-primary);
            background: rgba(108, 59, 217, 0.15);
        }
        .nav-links a.active {
            color: #fff;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            box-shadow: 0 4px 16px rgba(108, 59, 217, 0.35);
        }
        .nav-links a.active::after {
            display: none;
        }

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-cta .search-btn {
            color: var(--text-secondary);
            font-size: 18px;
            padding: 8px 10px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .nav-cta .search-btn:hover {
            color: var(--text-primary);
            background: rgba(108, 59, 217, 0.15);
        }

        .btn-login {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 14px;
            padding: 8px 20px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            box-shadow: 0 4px 16px rgba(108, 59, 217, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }
        .btn-login:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 28px rgba(108, 59, 217, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
        }
        .btn-login i {
            font-size: 16px;
        }

        .mobile-toggle {
            display: none;
            color: var(--text-primary);
            font-size: 24px;
            padding: 6px 10px;
            border-radius: var(--radius-sm);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid var(--border-color);
        }
        .mobile-toggle:hover {
            background: rgba(108, 59, 217, 0.2);
        }

        @media (max-width: 768px) {
            .header {
                padding: 12px 12px;
            }
            .nav-dock {
                padding: 8px 16px;
                border-radius: var(--radius-lg);
            }
            .nav-links {
                display: none;
                position: absolute;
                top: calc(100% + 8px);
                left: 8px;
                right: 8px;
                background: rgba(15, 10, 26, 0.95);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border: 1px solid var(--border-color);
                border-radius: var(--radius-lg);
                flex-direction: column;
                padding: 12px;
                gap: 4px;
                box-shadow: var(--shadow-lg);
            }
            .nav-links.open {
                display: flex;
            }
            .nav-links a {
                width: 100%;
                text-align: center;
                padding: 12px;
                font-size: 16px;
            }
            .mobile-toggle {
                display: block;
            }
            .nav-cta .search-btn {
                display: none;
            }
            .btn-login span {
                display: none;
            }
            .btn-login {
                padding: 8px 12px;
                font-size: 16px;
            }
            .nav-brand .brand-text {
                font-size: 17px;
            }
        }

        @media (max-width: 480px) {
            .nav-dock {
                padding: 6px 12px;
            }
            .nav-brand .brand-icon {
                width: 30px;
                height: 30px;
                font-size: 12px;
            }
            .nav-brand .brand-text {
                font-size: 15px;
            }
            .btn-login {
                padding: 6px 10px;
                font-size: 14px;
            }
        }

        /* ===== Page Banner ===== */
        .page-banner {
            padding: 140px 0 80px;
            position: relative;
            background: linear-gradient(135deg, var(--bg-darker) 0%, var(--bg-dark) 50%, #1a0e2e 100%);
            overflow: hidden;
            min-height: 360px;
            display: flex;
            align-items: center;
        }
        .page-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            opacity: 0.15;
            z-index: 0;
        }
        .page-banner::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(108, 59, 217, 0.2) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 50%, rgba(245, 158, 11, 0.1) 0%, transparent 60%);
            z-index: 1;
        }
        .page-banner .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }
        .page-banner .breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 20px;
            flex-wrap: wrap;
        }
        .page-banner .breadcrumb a {
            color: var(--text-secondary);
        }
        .page-banner .breadcrumb a:hover {
            color: var(--accent-light);
        }
        .page-banner .breadcrumb .sep {
            color: var(--text-muted);
        }
        .page-banner h1 {
            font-size: 48px;
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            text-shadow: 0 2px 40px rgba(108, 59, 217, 0.3);
        }
        .page-banner h1 span {
            background: linear-gradient(to right, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .page-banner p {
            font-size: 18px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 16px auto 0;
        }

        @media (max-width: 768px) {
            .page-banner {
                padding: 120px 0 60px;
                min-height: 280px;
            }
            .page-banner h1 {
                font-size: 32px;
            }
            .page-banner p {
                font-size: 16px;
            }
        }
        @media (max-width: 480px) {
            .page-banner h1 {
                font-size: 26px;
            }
            .page-banner p {
                font-size: 14px;
            }
        }

        /* ===== Section Common ===== */
        .section {
            padding: 80px 0;
        }
        .section-title {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            text-align: center;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            text-align: center;
            max-width: 600px;
            margin: 0 auto 48px;
            line-height: 1.7;
        }
        .section-title span {
            background: linear-gradient(to right, var(--primary-light), var(--accent-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .section-divider {
            width: 60px;
            height: 4px;
            background: linear-gradient(to right, var(--primary), var(--accent));
            border-radius: 4px;
            margin: 0 auto 40px;
        }

        @media (max-width: 768px) {
            .section {
                padding: 56px 0;
            }
            .section-title {
                font-size: 26px;
            }
            .section-subtitle {
                font-size: 15px;
                margin-bottom: 32px;
            }
        }

        /* ===== Guide Categories ===== */
        .guide-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .guide-card {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: var(--transition);
            position: relative;
        }
        .guide-card:hover {
            transform: translateY(-6px);
            border-color: var(--primary);
            box-shadow: 0 16px 40px rgba(108, 59, 217, 0.2);
            background: var(--bg-card-hover);
        }
        .guide-card .card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            transition: var(--transition);
        }
        .guide-card:hover .card-img {
            transform: scale(1.03);
        }
        .guide-card .card-body {
            padding: 24px 20px 20px;
        }
        .guide-card .card-tag {
            display: inline-block;
            background: rgba(108, 59, 217, 0.2);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 10px;
            letter-spacing: 0.5px;
            border: 1px solid rgba(108, 59, 217, 0.15);
        }
        .guide-card h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }
        .guide-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .guide-card .card-meta {
            display: flex;
            align-items: center;
            gap: 16px;
            font-size: 13px;
            color: var(--text-muted);
            border-top: 1px solid var(--border-color);
            padding-top: 14px;
            margin-top: 4px;
        }
        .guide-card .card-meta i {
            margin-right: 4px;
            color: var(--accent);
        }
        .guide-card .btn-guide {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent-light);
            font-weight: 600;
            font-size: 14px;
            transition: var(--transition);
        }
        .guide-card .btn-guide:hover {
            gap: 12px;
            color: #fff;
        }

        @media (max-width: 1024px) {
            .guide-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 640px) {
            .guide-grid {
                grid-template-columns: 1fr;
            }
            .guide-card .card-img {
                height: 180px;
            }
        }

        /* ===== Featured Guide (图文区) ===== */
        .featured-guide {
            background: var(--bg-surface);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            overflow: hidden;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 0;
            margin-top: 16px;
        }
        .featured-guide .fg-img {
            width: 100%;
            height: 100%;
            min-height: 360px;
            object-fit: cover;
            display: block;
        }
        .featured-guide .fg-body {
            padding: 48px 40px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .featured-guide .fg-badge {
            display: inline-block;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1a0e2e;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 14px;
            border-radius: 20px;
            margin-bottom: 14px;
            letter-spacing: 0.5px;
            align-self: flex-start;
        }
        .featured-guide h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .featured-guide p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .featured-guide .fg-stats {
            display: flex;
            gap: 32px;
            margin-bottom: 24px;
        }
        .featured-guide .fg-stats .stat {
            text-align: center;
        }
        .featured-guide .fg-stats .stat-num {
            font-size: 28px;
            font-weight: 800;
            color: var(--accent-light);
            line-height: 1.2;
        }
        .featured-guide .fg-stats .stat-label {
            font-size: 13px;
            color: var(--text-muted);
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            box-shadow: 0 4px 20px rgba(108, 59, 217, 0.3);
            border: 1px solid rgba(255, 255, 255, 0.08);
            align-self: flex-start;
        }
        .btn-primary:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 32px rgba(108, 59, 217, 0.45);
            background: linear-gradient(135deg, var(--primary-light), var(--primary));
            color: #fff;
        }
        .btn-primary i {
            font-size: 16px;
        }

        @media (max-width: 900px) {
            .featured-guide {
                grid-template-columns: 1fr;
            }
            .featured-guide .fg-img {
                min-height: 240px;
                max-height: 300px;
            }
            .featured-guide .fg-body {
                padding: 32px 24px;
            }
            .featured-guide h2 {
                font-size: 24px;
            }
            .featured-guide .fg-stats {
                gap: 20px;
                flex-wrap: wrap;
            }
        }

        /* ===== Tips List ===== */
        .tips-list {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        .tip-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            padding: 24px 24px 24px 28px;
            transition: var(--transition);
            display: flex;
            align-items: flex-start;
            gap: 16px;
        }
        .tip-item:hover {
            border-color: var(--primary);
            background: var(--bg-card-hover);
            transform: translateY(-3px);
            box-shadow: var(--shadow-sm);
        }
        .tip-item .tip-num {
            flex-shrink: 0;
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            font-size: 16px;
            color: #fff;
        }
        .tip-item .tip-content h4 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 4px;
        }
        .tip-item .tip-content p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .tips-list {
                grid-template-columns: 1fr;
            }
            .tip-item {
                padding: 18px 18px 18px 22px;
            }
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: var(--bg-card);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-light);
        }
        .faq-item .faq-q {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 16px;
            color: var(--text-primary);
            gap: 16px;
            user-select: none;
            transition: var(--transition);
        }
        .faq-item .faq-q:hover {
            background: rgba(108, 59, 217, 0.08);
        }
        .faq-item .faq-q i {
            color: var(--accent);
            font-size: 18px;
            transition: var(--transition);
            flex-shrink: 0;
        }
        .faq-item .faq-q .fa-chevron-down {
            color: var(--text-muted);
            font-size: 14px;
            transition: var(--transition);
        }
        .faq-item.active .faq-q .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--accent);
        }
        .faq-item .faq-a {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            padding: 0 24px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
        }
        .faq-item.active .faq-a {
            max-height: 240px;
            padding: 0 24px 20px;
        }

        @media (max-width: 768px) {
            .faq-item .faq-q {
                padding: 14px 18px;
                font-size: 15px;
            }
            .faq-item .faq-a {
                font-size: 14px;
            }
            .faq-item.active .faq-a {
                padding: 0 18px 16px;
            }
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(135deg, var(--bg-card) 0%, var(--bg-surface) 100%);
            border: 1px solid var(--border-color);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 50% 50%, rgba(108, 59, 217, 0.1) 0%, transparent 70%);
            pointer-events: none;
        }
        .cta-section .cta-content {
            position: relative;
            z-index: 1;
        }
        .cta-section h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
        }
        .cta-section p {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.7;
        }
        .cta-section .btn-cta {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(135deg, var(--accent), var(--accent-dark));
            color: #1a0e2e;
            font-weight: 700;
            font-size: 17px;
            padding: 14px 36px;
            border-radius: var(--radius-md);
            transition: var(--transition);
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.3);
            border: none;
        }
        .cta-section .btn-cta:hover {
            transform: translateY(-3px);
            box-shadow: 0 12px 40px rgba(245, 158, 11, 0.45);
            background: linear-gradient(135deg, var(--accent-light), var(--accent));
            color: #0a0612;
        }
        .cta-section .btn-cta i {
            font-size: 18px;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 40px 24px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .cta-section p {
                font-size: 15px;
            }
            .cta-section .btn-cta {
                font-size: 15px;
                padding: 12px 28px;
            }
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 60px 0 32px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr 1fr;
            gap: 40px;
        }
        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 14px;
        }
        .footer-brand .footer-logo .logo-dot {
            width: 10px;
            height: 10px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
            box-shadow: 0 0 16px rgba(245, 158, 11, 0.4);
        }
        .footer-brand p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            max-width: 360px;
        }
        .footer-col h4 {
            font-size: 16px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .footer-col a {
            display: block;
            font-size: 14px;
            color: var(--text-secondary);
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 40px;
            padding-top: 24px;
            border-top: 1px solid var(--border-color);
            font-size: 14px;
            color: var(--text-muted);
        }
        .footer-bottom a {
            color: var(--primary-light);
        }
        .footer-bottom a:hover {
            color: var(--accent-light);
        }

        @media (max-width: 900px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer {
                padding: 40px 0 24px;
                margin-top: 56px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--border-light);
            border-radius: 8px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--primary);
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }
        .animate-in-d1 {
            animation-delay: 0.1s;
        }
        .animate-in-d2 {
            animation-delay: 0.2s;
        }
        .animate-in-d3 {
            animation-delay: 0.3s;
        }

        /* ===== Responsive extras ===== */
        @media (max-width: 480px) {
            .section-title {
                font-size: 22px;
            }
            .page-banner h1 {
                font-size: 24px;
            }
            .guide-card .card-body {
                padding: 18px 16px 16px;
            }
            .guide-card h3 {
                font-size: 18px;
            }
            .featured-guide h2 {
                font-size: 20px;
            }
            .cta-section h2 {
                font-size: 22px;
            }
            .btn-primary,
            .cta-section .btn-cta {
                font-size: 14px;
                padding: 10px 20px;
            }
        }