/* roulang page: index */
/* ===== Design Variables ===== */
:root {
  --primary: #0f1b2d;
  --primary-light: #1a2d4a;
  --primary-dark: #080f1a;
  --accent: #e8b830;
  --accent-hover: #d4a520;
  --accent-light: #f5d060;
  --secondary: #1e3a5f;
  --text-light: #f0f4fa;
  --text-body: #2c3e50;
  --text-muted: #7a8a9e;
  --bg-body: #f5f7fa;
  --bg-card: #ffffff;
  --bg-dark: #0a1424;
  --border-color: #e2e8f0;
  --border-light: rgba(255,255,255,0.12);
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --radius-xl: 28px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 8px 24px rgba(0,0,0,0.10);
  --shadow-lg: 0 16px 48px rgba(0,0,0,0.14);
  --shadow-accent: 0 4px 20px rgba(232,184,48,0.30);
  --font-sans: -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans SC", sans-serif;
  --transition: 0.25s cubic-bezier(0.4, 0, 0.2, 1);
  --max-width: 1200px;
  --header-top-h: 56px;
  --header-nav-h: 52px;
}

/* ===== Reset & Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { font-size: 16px; scroll-behavior: smooth; }
body {
  font-family: var(--font-sans);
  color: var(--text-body);
  background: var(--bg-body);
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--secondary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea, select { font-family: inherit; font-size: inherit; outline: none; border: none; }
button { cursor: pointer; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5, h6 { line-height: 1.3; font-weight: 700; }
h1 { font-size: 2.8rem; }
h2 { font-size: 2.0rem; }
h3 { font-size: 1.4rem; }
h4 { font-size: 1.15rem; }
p { margin-bottom: 0.75rem; }
::selection { background: var(--accent); color: var(--primary); }

/* ===== Container ===== */
.container {
  width: 100%;
  max-width: var(--max-width);
  margin: 0 auto;
  padding: 0 24px;
}
.container-narrow { max-width: 880px; }

/* ===== Utility ===== */
.section-pad { padding: 80px 0; }
.section-pad-sm { padding: 50px 0; }
.text-center { text-align: center; }
.text-accent { color: var(--accent); }
.color-light { color: var(--text-light); }
.color-muted { color: var(--text-muted); }
.bg-dark { background: var(--bg-dark); }
.bg-primary { background: var(--primary); }
.bg-white { background: var(--bg-card); }
.section-title {
  margin-bottom: 12px;
  font-weight: 800;
  letter-spacing: -0.02em;
}
.section-sub {
  font-size: 1.05rem;
  color: var(--text-muted);
  max-width: 640px;
  margin: 0 auto 50px;
  line-height: 1.7;
}
.section-sub.light { color: rgba(255,255,255,0.7); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 0.95rem;
  transition: var(--transition);
  border: 2px solid transparent;
  white-space: nowrap;
}
.btn-primary {
  background: var(--accent);
  color: var(--primary);
  border-color: var(--accent);
  box-shadow: var(--shadow-accent);
}
.btn-primary:hover {
  background: var(--accent-hover);
  border-color: var(--accent-hover);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: 0 8px 28px rgba(232,184,48,0.35);
}
.btn-outline {
  background: transparent;
  color: var(--text-light);
  border-color: var(--border-light);
}
.btn-outline:hover {
  background: rgba(255,255,255,0.10);
  border-color: var(--accent);
  color: var(--accent);
  transform: translateY(-2px);
}
.btn-outline-accent {
  background: transparent;
  color: var(--accent);
  border-color: var(--accent);
}
.btn-outline-accent:hover {
  background: var(--accent);
  color: var(--primary);
  transform: translateY(-2px);
  box-shadow: var(--shadow-accent);
}
.btn-lg { padding: 16px 36px; font-size: 1.05rem; border-radius: var(--radius-lg); }
.btn-sm { padding: 8px 18px; font-size: 0.85rem; border-radius: var(--radius-sm); }
.btn .fa-arrow-right { transition: transform var(--transition); }
.btn:hover .fa-arrow-right { transform: translateX(4px); }
.btn:focus-visible { outline: 3px solid var(--accent); outline-offset: 2px; }

/* ===== Badge / Tag ===== */
.badge {
  display: inline-block;
  padding: 4px 14px;
  border-radius: 50px;
  font-size: 0.78rem;
  font-weight: 600;
  letter-spacing: 0.02em;
}
.badge-accent { background: var(--accent); color: var(--primary); }
.badge-outline { background: transparent; border: 1px solid var(--border-light); color: var(--text-light); }
.badge-secondary { background: var(--secondary); color: var(--text-light); }
.tag {
  display: inline-block;
  padding: 3px 12px;
  border-radius: var(--radius-sm);
  font-size: 0.75rem;
  font-weight: 500;
  background: var(--bg-body);
  color: var(--text-muted);
  transition: var(--transition);
}
.tag:hover { background: var(--accent); color: var(--primary); }

/* ===== Card ===== */
.card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  box-shadow: var(--shadow-sm);
  overflow: hidden;
  transition: var(--transition);
  border: 1px solid var(--border-color);
}
.card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-4px);
}
.card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; }
.card-body { padding: 20px 22px 24px; }
.card-title { font-size: 1.1rem; font-weight: 700; margin-bottom: 8px; }
.card-text { font-size: 0.92rem; color: var(--text-muted); line-height: 1.6; }
.card .badge { margin-bottom: 10px; }

/* ===== Header Top Row ===== */
.header-top {
  background: var(--primary);
  height: var(--header-top-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  position: relative;
  z-index: 100;
}
.header-top .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  font-size: 1.35rem;
  font-weight: 800;
  color: var(--text-light);
  letter-spacing: -0.02em;
  display: flex;
  align-items: center;
  gap: 8px;
}
.logo i { color: var(--accent); font-size: 1.5rem; }
.logo:hover { color: var(--accent); }
.header-actions {
  display: flex;
  align-items: center;
  gap: 16px;
}
.search-box {
  display: flex;
  align-items: center;
  background: rgba(255,255,255,0.08);
  border-radius: 50px;
  padding: 0 16px;
  border: 1px solid var(--border-light);
  transition: var(--transition);
}
.search-box:focus-within {
  background: rgba(255,255,255,0.14);
  border-color: var(--accent);
}
.search-box input {
  background: transparent;
  border: none;
  padding: 8px 10px;
  color: var(--text-light);
  font-size: 0.88rem;
  width: 180px;
}
.search-box input::placeholder { color: rgba(255,255,255,0.4); }
.search-box button {
  background: transparent;
  color: rgba(255,255,255,0.5);
  padding: 6px;
  font-size: 0.95rem;
  transition: var(--transition);
}
.search-box button:hover { color: var(--accent); }
.header-actions .btn-sm { padding: 6px 16px; font-size: 0.82rem; }

/* ===== Nav Tabs Row ===== */
.nav-tabs-row {
  background: var(--primary-light);
  height: var(--header-nav-h);
  display: flex;
  align-items: center;
  border-bottom: 1px solid var(--border-light);
  position: sticky;
  top: 0;
  z-index: 99;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}
.nav-tabs {
  display: flex;
  align-items: center;
  gap: 4px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  padding: 4px 0;
}
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab {
  padding: 8px 20px;
  border-radius: 50px;
  font-size: 0.88rem;
  font-weight: 500;
  color: rgba(255,255,255,0.65);
  white-space: nowrap;
  transition: var(--transition);
  border: 1px solid transparent;
}
.nav-tab:hover { color: var(--text-light); background: rgba(255,255,255,0.06); }
.nav-tab.active {
  color: var(--primary);
  background: var(--accent);
  font-weight: 600;
  border-color: var(--accent);
}
.nav-tab.active:hover { color: var(--primary); background: var(--accent-hover); }
.nav-tab i { margin-right: 6px; font-size: 0.8rem; }
.hamburger {
  display: none;
  background: transparent;
  color: var(--text-light);
  font-size: 1.3rem;
  padding: 4px 8px;
  border-radius: var(--radius-sm);
  border: 1px solid var(--border-light);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 620px;
  display: flex;
  align-items: center;
  background: var(--primary);
  overflow: hidden;
}
.hero-bg {
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  opacity: 0.35;
  mix-blend-mode: overlay;
}
.hero-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,27,45,0.92) 0%, rgba(10,20,36,0.70) 50%, rgba(15,27,45,0.88) 100%);
}
.hero .container { position: relative; z-index: 2; padding-top: 30px; padding-bottom: 30px; }
.hero-content { max-width: 680px; }
.hero .badge { margin-bottom: 16px; }
.hero h1 {
  color: var(--text-light);
  font-size: 3.2rem;
  font-weight: 900;
  letter-spacing: -0.03em;
  line-height: 1.15;
  margin-bottom: 18px;
}
.hero h1 .highlight { color: var(--accent); }
.hero p {
  color: rgba(255,255,255,0.75);
  font-size: 1.15rem;
  line-height: 1.7;
  margin-bottom: 32px;
  max-width: 560px;
}
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; }
.hero-stats {
  display: flex;
  gap: 40px;
  margin-top: 48px;
  padding-top: 32px;
  border-top: 1px solid var(--border-light);
}
.hero-stat h3 { color: var(--accent); font-size: 1.8rem; font-weight: 800; }
.hero-stat p { color: rgba(255,255,255,0.5); font-size: 0.85rem; margin-bottom: 0; }

/* ===== Features ===== */
.features-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.feature-card {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  padding: 36px 28px 32px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.feature-card:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-6px);
}
.feature-icon {
  width: 64px;
  height: 64px;
  border-radius: 50%;
  background: linear-gradient(135deg, var(--accent), var(--accent-hover));
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 18px;
  font-size: 1.6rem;
  color: var(--primary);
}
.feature-card h3 { font-size: 1.1rem; margin-bottom: 10px; }
.feature-card p { font-size: 0.9rem; color: var(--text-muted); margin-bottom: 0; }

/* ===== Category Spotlight ===== */
.spotlight-card {
  display: flex;
  border-radius: var(--radius-lg);
  overflow: hidden;
  background: var(--bg-card);
  box-shadow: var(--shadow-md);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.spotlight-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-4px); }
.spotlight-img {
  flex: 0 0 46%;
  background: url('/assets/images/coverpic/cover-1.png') center center / cover no-repeat;
  min-height: 320px;
}
.spotlight-body {
  flex: 1;
  padding: 40px 44px;
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.spotlight-body .badge { margin-bottom: 12px; align-self: flex-start; }
.spotlight-body h3 { font-size: 1.6rem; font-weight: 800; margin-bottom: 12px; }
.spotlight-body p { color: var(--text-muted); font-size: 0.95rem; margin-bottom: 20px; max-width: 460px; }

/* ===== Latest News (CMS) ===== */
.news-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 24px;
}
.news-card {
  display: flex;
  background: var(--bg-card);
  border-radius: var(--radius-md);
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  border: 1px solid var(--border-color);
  transition: var(--transition);
}
.news-card:hover { box-shadow: var(--shadow-md); transform: translateY(-3px); }
.news-thumb {
  flex: 0 0 160px;
  background-size: cover;
  background-position: center;
  min-height: 140px;
}
.news-info { flex: 1; padding: 16px 20px; display: flex; flex-direction: column; justify-content: center; }
.news-info .tag { margin-bottom: 6px; align-self: flex-start; }
.news-info h4 { font-size: 1.0rem; font-weight: 700; margin-bottom: 6px; }
.news-info h4 a { color: var(--text-body); }
.news-info h4 a:hover { color: var(--accent-hover); }
.news-meta { font-size: 0.78rem; color: var(--text-muted); display: flex; gap: 14px; align-items: center; }
.news-meta i { margin-right: 3px; }

/* ===== Stats Counter ===== */
.stats-section {
  background: var(--primary);
  position: relative;
}
.stats-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  opacity: 0.08;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  position: relative;
  z-index: 1;
}
.stat-item { text-align: center; padding: 20px 12px; }
.stat-item .stat-number {
  font-size: 2.6rem;
  font-weight: 900;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stat-item .stat-label { color: rgba(255,255,255,0.6); font-size: 0.9rem; }

/* ===== Process / Steps ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
  counter-reset: step;
}
.process-step {
  text-align: center;
  padding: 32px 20px 28px;
  border-radius: var(--radius-md);
  background: var(--bg-card);
  border: 1px solid var(--border-color);
  position: relative;
  transition: var(--transition);
}
.process-step:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.process-step::before {
  counter-increment: step;
  content: "0" counter(step);
  position: absolute;
  top: 16px;
  right: 20px;
  font-size: 2.8rem;
  font-weight: 900;
  color: rgba(232,184,48,0.12);
  line-height: 1;
}
.step-icon {
  width: 56px;
  height: 56px;
  border-radius: 50%;
  background: var(--primary);
  color: var(--accent);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  font-size: 1.3rem;
}
.process-step h4 { font-size: 1.05rem; margin-bottom: 8px; }
.process-step p { font-size: 0.88rem; color: var(--text-muted); margin-bottom: 0; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; display: flex; flex-direction: column; gap: 12px; }
.faq-item {
  background: var(--bg-card);
  border-radius: var(--radius-md);
  border: 1px solid var(--border-color);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: var(--accent); }
.faq-question {
  padding: 18px 24px;
  font-weight: 600;
  font-size: 1.0rem;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: transparent;
  width: 100%;
  text-align: left;
  color: var(--text-body);
  gap: 12px;
}
.faq-question i { color: var(--accent); font-size: 0.9rem; transition: transform var(--transition); }
.faq-item.active .faq-question i { transform: rotate(180deg); }
.faq-answer {
  padding: 0 24px 18px;
  font-size: 0.92rem;
  color: var(--text-muted);
  line-height: 1.7;
  display: none;
}
.faq-item.active .faq-answer { display: block; }

/* ===== CTA ===== */
.cta-section {
  background: var(--primary);
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity: 0.06;
}
.cta-box {
  position: relative;
  z-index: 1;
  text-align: center;
  padding: 20px 0;
}
.cta-box h2 { color: var(--text-light); font-size: 2.2rem; margin-bottom: 14px; }
.cta-box p { color: rgba(255,255,255,0.65); font-size: 1.05rem; max-width: 520px; margin: 0 auto 28px; }
.cta-box .btn { font-size: 1.05rem; padding: 16px 40px; }

/* ===== Footer ===== */
.footer {
  background: var(--primary-dark);
  color: rgba(255,255,255,0.55);
  padding: 48px 0 32px;
  border-top: 1px solid var(--border-light);
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1fr;
  gap: 40px;
  margin-bottom: 36px;
}
.footer-brand .logo { font-size: 1.2rem; margin-bottom: 12px; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; max-width: 300px; }
.footer-col h5 { color: var(--text-light); font-size: 0.95rem; margin-bottom: 16px; font-weight: 600; }
.footer-col a {
  display: block;
  color: rgba(255,255,255,0.45);
  font-size: 0.85rem;
  padding: 4px 0;
  transition: var(--transition);
}
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid var(--border-light);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 0.82rem;
}
.footer-bottom a { color: rgba(255,255,255,0.4); }
.footer-bottom a:hover { color: var(--accent); }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  border: 1px solid var(--border-light);
  display: flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,0.4);
  transition: var(--transition);
}
.footer-social a:hover { border-color: var(--accent); color: var(--accent); background: rgba(232,184,48,0.08); }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  h1 { font-size: 2.4rem; }
  h2 { font-size: 1.7rem; }
  .hero { min-height: 500px; }
  .hero h1 { font-size: 2.6rem; }
  .features-grid { grid-template-columns: repeat(2, 1fr); }
  .process-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .spotlight-img { flex: 0 0 40%; min-height: 260px; }
  .spotlight-body { padding: 28px 32px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
}

@media (max-width: 768px) {
  :root { --header-top-h: 52px; --header-nav-h: 48px; }
  h1 { font-size: 2.0rem; }
  h2 { font-size: 1.45rem; }
  .section-pad { padding: 50px 0; }
  .section-pad-sm { padding: 36px 0; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 2.0rem; }
  .hero p { font-size: 1.0rem; }
  .hero-stats { gap: 24px; flex-wrap: wrap; margin-top: 32px; padding-top: 24px; }
  .hero-stat h3 { font-size: 1.4rem; }
  .search-box input { width: 120px; }
  .hamburger { display: block; }
  .nav-tabs { gap: 2px; }
  .nav-tab { padding: 6px 14px; font-size: 0.82rem; }
  .features-grid { grid-template-columns: 1fr; gap: 18px; }
  .news-grid { grid-template-columns: 1fr; gap: 18px; }
  .news-thumb { flex: 0 0 120px; min-height: 100px; }
  .process-grid { grid-template-columns: 1fr; gap: 18px; }
  .spotlight-card { flex-direction: column; }
  .spotlight-img { min-height: 200px; }
  .spotlight-body { padding: 24px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 12px; }
  .stat-item .stat-number { font-size: 2.0rem; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-box h2 { font-size: 1.7rem; }
  .header-actions .btn-sm { display: none; }
  .header-actions .search-box { flex: 1; max-width: 200px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  h1 { font-size: 1.6rem; }
  h2 { font-size: 1.25rem; }
  .hero h1 { font-size: 1.6rem; }
  .hero p { font-size: 0.9rem; }
  .hero-stats { flex-direction: column; gap: 12px; }
  .hero-stat { display: flex; align-items: center; gap: 12px; }
  .hero-stat h3 { font-size: 1.2rem; margin-bottom: 0; }
  .hero-stat p { margin-bottom: 0; }
  .features-grid { grid-template-columns: 1fr; }
  .news-thumb { flex: 0 0 90px; min-height: 80px; }
  .news-info { padding: 12px 14px; }
  .news-info h4 { font-size: 0.9rem; }
  .spotlight-body h3 { font-size: 1.2rem; }
  .nav-tab { padding: 5px 10px; font-size: 0.76rem; }
  .nav-tab i { margin-right: 3px; font-size: 0.7rem; }
  .search-box input { width: 80px; font-size: 0.8rem; }
  .logo { font-size: 1.1rem; }
  .logo i { font-size: 1.2rem; }
  .stat-item .stat-number { font-size: 1.6rem; }
  .faq-question { font-size: 0.9rem; padding: 14px 16px; }
  .faq-answer { padding: 0 16px 14px; font-size: 0.85rem; }
  .btn-lg { padding: 12px 28px; font-size: 0.95rem; }
  .cta-box h2 { font-size: 1.4rem; }
}

/* ===== A11y ===== */
a:focus-visible, button:focus-visible, input:focus-visible {
  outline: 3px solid var(--accent);
  outline-offset: 2px;
}

/* ===== Smooth fade-in for cards ===== */
@keyframes fadeUp {
  from { opacity: 0; transform: translateY(20px); }
  to { opacity: 1; transform: translateY(0); }
}
.card, .feature-card, .process-step, .spotlight-card, .news-card, .stat-item {
  animation: fadeUp 0.5s ease-out both;
}
.feature-card:nth-child(1) { animation-delay: 0.05s; }
.feature-card:nth-child(2) { animation-delay: 0.10s; }
.feature-card:nth-child(3) { animation-delay: 0.15s; }
.news-card:nth-child(1) { animation-delay: 0.05s; }
.news-card:nth-child(2) { animation-delay: 0.10s; }
.news-card:nth-child(3) { animation-delay: 0.15s; }
.news-card:nth-child(4) { animation-delay: 0.20s; }

/* roulang page: category1 */
/* ===== Design Variables ===== */
        :root {
            --primary: #e63946;
            --primary-dark: #c1121f;
            --primary-light: #ff6b76;
            --secondary: #1d3557;
            --secondary-light: #2b4d7a;
            --accent: #f4a261;
            --bg-dark: #0b1320;
            --bg-darker: #070d17;
            --bg-card: #111c2e;
            --bg-card-hover: #17273f;
            --bg-section: #0d1628;
            --bg-section-alt: #0a121f;
            --text-light: #f1f5f9;
            --text-muted: #94a3b8;
            --text-dim: #64748b;
            --border-color: rgba(255, 255, 255, 0.08);
            --border-hover: rgba(255, 255, 255, 0.18);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 22px;
            --radius-xl: 30px;
            --shadow-sm: 0 2px 8px rgba(0, 0, 0, 0.25);
            --shadow-md: 0 6px 24px rgba(0, 0, 0, 0.35);
            --shadow-lg: 0 14px 48px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --font-sans: 'Inter', system-ui, -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
            --container-w: 1200px;
            --nav-top-h: 60px;
            --nav-tabs-h: 52px;
            --header-h: calc(var(--nav-top-h) + var(--nav-tabs-h));
        }

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

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

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text-light);
            background: var(--bg-dark);
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            padding-top: var(--header-h);
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: var(--radius-sm);
        }

        a {
            color: var(--primary-light);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-light);
        }

        h1 {
            font-size: 2.8rem;
            letter-spacing: -0.02em;
        }
        h2 {
            font-size: 2.2rem;
            letter-spacing: -0.01em;
        }
        h3 {
            font-size: 1.5rem;
        }
        h4 {
            font-size: 1.2rem;
        }
        h5 {
            font-size: 1rem;
        }

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

        /* ===== Header / Nav Top ===== */
        .header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: var(--bg-darker);
            border-bottom: 1px solid var(--border-color);
            box-shadow: 0 2px 20px rgba(0, 0, 0, 0.5);
        }

        .nav-top {
            height: var(--nav-top-h);
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 24px;
            max-width: var(--container-w);
            margin: 0 auto;
        }

        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--text-light);
            letter-spacing: -0.5px;
        }
        .logo i {
            color: var(--primary);
            font-size: 1.6rem;
        }
        .logo:hover {
            color: var(--primary-light);
        }
        .logo span {
            color: var(--primary);
        }

        .nav-top-actions {
            display: flex;
            align-items: center;
            gap: 16px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 50px;
            padding: 0 16px;
            height: 38px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            min-width: 200px;
        }
        .nav-search:focus-within {
            border-color: var(--primary);
            background: rgba(255, 255, 255, 0.08);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.15);
        }
        .nav-search i {
            color: var(--text-dim);
            font-size: 0.9rem;
            margin-right: 10px;
        }
        .nav-search input {
            flex: 1;
            background: transparent;
            color: var(--text-light);
            font-size: 0.9rem;
            height: 100%;
        }
        .nav-search input::placeholder {
            color: var(--text-dim);
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 8px 22px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 0.9rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .nav-cta-btn:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-1px);
            box-shadow: 0 4px 16px rgba(230, 57, 70, 0.35);
        }
        .nav-cta-btn i {
            font-size: 0.85rem;
        }

        .menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: var(--text-light);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: var(--radius-sm);
            transition: var(--transition);
        }
        .menu-toggle:hover {
            background: rgba(255, 255, 255, 0.05);
        }

        /* ===== Nav Tabs Row ===== */
        .nav-tabs-row {
            border-top: 1px solid var(--border-color);
            background: var(--bg-dark);
            height: var(--nav-tabs-h);
            overflow-x: auto;
            overflow-y: hidden;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }
        .nav-tabs-row::-webkit-scrollbar {
            display: none;
        }

        .nav-tabs {
            display: flex;
            align-items: center;
            gap: 4px;
            height: 100%;
            padding: 0 4px;
            white-space: nowrap;
        }

        .nav-tab {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 8px 20px;
            border-radius: 50px;
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--text-muted);
            transition: var(--transition);
            text-decoration: none;
            border: 1px solid transparent;
            height: 38px;
        }
        .nav-tab i {
            font-size: 0.85rem;
        }
        .nav-tab:hover {
            color: var(--text-light);
            background: rgba(255, 255, 255, 0.05);
            border-color: var(--border-color);
        }
        .nav-tab.active {
            color: #fff;
            background: var(--primary);
            border-color: var(--primary);
            box-shadow: 0 2px 12px rgba(230, 57, 70, 0.3);
        }
        .nav-tab.active:hover {
            background: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        /* ===== Hero / Banner ===== */
        .page-hero {
            position: relative;
            padding: 80px 0 60px;
            background: var(--bg-section);
            overflow: hidden;
        }
        .page-hero::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-hero::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(11, 19, 32, 0.92) 0%, rgba(11, 19, 32, 0.6) 100%);
            z-index: 1;
        }
        .page-hero .container {
            position: relative;
            z-index: 2;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(230, 57, 70, 0.18);
            color: var(--primary-light);
            padding: 4px 16px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 18px;
            border: 1px solid rgba(230, 57, 70, 0.2);
        }

        .page-hero h1 {
            font-size: 3.2rem;
            margin-bottom: 16px;
            max-width: 720px;
        }
        .page-hero h1 span {
            color: var(--primary);
        }
        .page-hero p {
            font-size: 1.15rem;
            color: var(--text-muted);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 28px;
        }

        .hero-stats {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            margin-top: 12px;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
        }
        .hero-stat .num {
            font-size: 2rem;
            font-weight: 800;
            color: var(--text-light);
            line-height: 1.2;
        }
        .hero-stat .num small {
            font-size: 1rem;
            font-weight: 400;
            color: var(--text-dim);
        }
        .hero-stat .label {
            font-size: 0.85rem;
            color: var(--text-dim);
        }

        /* ===== Section General ===== */
        .section {
            padding: 72px 0;
        }
        .section-alt {
            background: var(--bg-section-alt);
        }
        .section-header {
            text-align: center;
            max-width: 700px;
            margin: 0 auto 48px;
        }
        .section-header h2 {
            margin-bottom: 12px;
        }
        .section-header h2 i {
            color: var(--primary);
            margin-right: 6px;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }

        .section-label {
            display: inline-block;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            padding: 2px 14px;
            border-radius: 50px;
            font-size: 0.8rem;
            font-weight: 600;
            margin-bottom: 10px;
            letter-spacing: 0.3px;
        }

        /* ===== Category Cards ===== */
        .category-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(260px, 1fr));
            gap: 24px;
        }

        .category-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            padding: 28px 24px 24px;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            position: relative;
            overflow: hidden;
            cursor: pointer;
        }
        .category-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 4px;
            background: var(--primary);
            opacity: 0;
            transition: var(--transition);
        }
        .category-card:hover {
            background: var(--bg-card-hover);
            border-color: var(--border-hover);
            transform: translateY(-4px);
            box-shadow: var(--shadow-md);
        }
        .category-card:hover::before {
            opacity: 1;
        }

        .category-card .icon {
            width: 52px;
            height: 52px;
            border-radius: var(--radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.6rem;
            margin-bottom: 16px;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
        }
        .category-card h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
        }
        .category-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.6;
            margin-bottom: 16px;
        }
        .category-card .tag {
            display: inline-block;
            background: rgba(255, 255, 255, 0.05);
            padding: 2px 12px;
            border-radius: 50px;
            font-size: 0.75rem;
            color: var(--text-dim);
            border: 1px solid var(--border-color);
        }
        .category-card .tag i {
            color: var(--accent);
            margin-right: 4px;
            font-size: 0.7rem;
        }

        /* ===== Featured Events ===== */
        .events-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(340px, 1fr));
            gap: 28px;
        }

        .event-card {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .event-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-lg);
            border-color: var(--border-hover);
        }

        .event-card .card-img {
            height: 200px;
            background: var(--bg-card-hover);
            position: relative;
            overflow: hidden;
        }
        .event-card .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--transition);
        }
        .event-card:hover .card-img img {
            transform: scale(1.04);
        }
        .event-card .card-img .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--primary);
            color: #fff;
            padding: 3px 14px;
            border-radius: 50px;
            font-size: 0.75rem;
            font-weight: 600;
        }
        .event-card .card-img .badge.hot {
            background: #f97316;
        }
        .event-card .card-img .badge.new {
            background: #10b981;
        }

        .event-card .card-body {
            padding: 22px 24px 24px;
        }
        .event-card .card-body .meta {
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 0.8rem;
            color: var(--text-dim);
            margin-bottom: 10px;
        }
        .event-card .card-body .meta i {
            margin-right: 4px;
            color: var(--primary-light);
        }
        .event-card .card-body h3 {
            font-size: 1.2rem;
            margin-bottom: 8px;
            line-height: 1.4;
        }
        .event-card .card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            margin-bottom: 16px;
        }
        .event-card .card-body .card-footer {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 14px;
            border-top: 1px solid var(--border-color);
        }
        .event-card .card-body .card-footer .tag {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.8rem;
            color: var(--text-dim);
        }
        .event-card .card-body .card-footer .tag i {
            color: var(--accent);
        }
        .event-card .card-body .card-footer .btn-text {
            color: var(--primary-light);
            font-weight: 600;
            font-size: 0.85rem;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--transition);
        }
        .event-card .card-body .card-footer .btn-text:hover {
            color: var(--primary);
            gap: 10px;
        }

        /* ===== Calendar / Timeline ===== */
        .timeline-section {
            position: relative;
        }
        .timeline-section::before {
            content: '';
            position: absolute;
            top: 0;
            left: 50%;
            bottom: 0;
            width: 2px;
            background: linear-gradient(to bottom, transparent, var(--primary-dark), transparent);
            transform: translateX(-50%);
            opacity: 0.3;
        }

        .timeline-item {
            display: flex;
            align-items: flex-start;
            gap: 32px;
            margin-bottom: 40px;
            position: relative;
        }
        .timeline-item:nth-child(odd) {
            flex-direction: row;
        }
        .timeline-item:nth-child(even) {
            flex-direction: row-reverse;
        }

        .timeline-item .date {
            flex: 0 0 120px;
            text-align: center;
            padding: 10px 0;
            background: var(--bg-card);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border-color);
        }
        .timeline-item .date .day {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary-light);
            line-height: 1.2;
        }
        .timeline-item .date .month {
            font-size: 0.8rem;
            color: var(--text-dim);
        }

        .timeline-item .content {
            flex: 1;
            background: var(--bg-card);
            padding: 20px 24px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .timeline-item .content:hover {
            border-color: var(--border-hover);
            box-shadow: var(--shadow-sm);
        }
        .timeline-item .content h4 {
            font-size: 1.05rem;
            margin-bottom: 6px;
        }
        .timeline-item .content p {
            color: var(--text-muted);
            font-size: 0.88rem;
            margin-bottom: 4px;
        }
        .timeline-item .content .tag-sm {
            display: inline-block;
            font-size: 0.7rem;
            color: var(--text-dim);
            background: rgba(255, 255, 255, 0.04);
            padding: 1px 10px;
            border-radius: 50px;
            margin-top: 6px;
        }

        .timeline-dot {
            position: absolute;
            left: 50%;
            top: 20px;
            width: 14px;
            height: 14px;
            background: var(--primary);
            border-radius: 50%;
            transform: translateX(-50%);
            border: 3px solid var(--bg-dark);
            box-shadow: 0 0 0 3px rgba(230, 57, 70, 0.3);
            z-index: 2;
        }

        /* ===== Guide List ===== */
        .guide-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 20px;
        }

        .guide-item {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            background: var(--bg-card);
            padding: 20px 22px;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            transition: var(--transition);
        }
        .guide-item:hover {
            border-color: var(--border-hover);
            background: var(--bg-card-hover);
            transform: translateX(4px);
        }
        .guide-item .num {
            flex-shrink: 0;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(230, 57, 70, 0.12);
            color: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 1rem;
        }
        .guide-item .info h4 {
            font-size: 1rem;
            margin-bottom: 4px;
        }
        .guide-item .info p {
            font-size: 0.85rem;
            color: var(--text-muted);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius-md);
            border: 1px solid var(--border-color);
            overflow: hidden;
            transition: var(--transition);
        }
        .faq-item:hover {
            border-color: var(--border-hover);
        }
        .faq-item summary {
            padding: 18px 24px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            list-style: none;
            transition: var(--transition);
        }
        .faq-item summary::-webkit-details-marker {
            display: none;
        }
        .faq-item summary::after {
            content: '\f078';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--text-dim);
            transition: var(--transition);
        }
        .faq-item[open] summary::after {
            transform: rotate(180deg);
            color: var(--primary-light);
        }
        .faq-item summary:hover {
            background: rgba(255, 255, 255, 0.02);
        }
        .faq-item .answer {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 0.93rem;
            line-height: 1.8;
            border-top: 1px solid var(--border-color);
            padding-top: 16px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--bg-section);
            position: relative;
            overflow: hidden;
            padding: 80px 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
            opacity: 0.08;
            z-index: 0;
        }
        .cta-section .container {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .cta-section h2 {
            font-size: 2.4rem;
            margin-bottom: 14px;
        }
        .cta-section p {
            color: var(--text-muted);
            font-size: 1.1rem;
            max-width: 560px;
            margin: 0 auto 32px;
        }
        .cta-btns {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .cta-btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 1rem;
            transition: var(--transition);
            border: none;
            cursor: pointer;
        }
        .cta-btn-primary:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 30px rgba(230, 57, 70, 0.35);
        }
        .cta-btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: transparent;
            color: var(--text-light);
            padding: 14px 36px;
            border-radius: 50px;
            font-weight: 600;
            font-size: 1rem;
            border: 1px solid var(--border-color);
            transition: var(--transition);
            cursor: pointer;
        }
        .cta-btn-secondary:hover {
            border-color: var(--primary-light);
            color: var(--primary-light);
            background: rgba(230, 57, 70, 0.05);
        }

        /* ===== Footer ===== */
        .footer {
            background: var(--bg-darker);
            border-top: 1px solid var(--border-color);
            padding: 56px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 40px;
            margin-bottom: 36px;
        }
        .footer-brand .logo {
            font-size: 1.3rem;
            margin-bottom: 14px;
            display: inline-flex;
        }
        .footer-brand p {
            color: var(--text-dim);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h5 {
            font-size: 0.95rem;
            margin-bottom: 16px;
            color: var(--text-light);
            font-weight: 600;
        }
        .footer-col a {
            display: block;
            color: var(--text-dim);
            font-size: 0.88rem;
            padding: 5px 0;
            transition: var(--transition);
        }
        .footer-col a:hover {
            color: var(--primary-light);
            padding-left: 4px;
        }
        .footer-social {
            display: flex;
            gap: 12px;
            margin-top: 4px;
        }
        .footer-social a {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.04);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--text-muted);
            border: 1px solid var(--border-color);
            padding: 0;
            transition: var(--transition);
        }
        .footer-social a:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            padding: 0;
            transform: translateY(-3px);
        }
        .footer-bottom {
            padding: 20px 0;
            border-top: 1px solid var(--border-color);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--text-dim);
        }
        .footer-bottom a {
            color: var(--text-dim);
        }
        .footer-bottom a:hover {
            color: var(--primary-light);
        }
        .footer-bottom span a {
            margin: 0 4px;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .events-grid {
                grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            }
            .timeline-item .date {
                flex: 0 0 90px;
            }
            .timeline-section::before {
                left: 40px;
            }
            .timeline-dot {
                left: 40px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                flex-direction: row;
                padding-left: 60px;
            }
            .timeline-item .date {
                flex: 0 0 80px;
            }
        }

        @media (max-width: 768px) {
            body {
                padding-top: calc(var(--nav-top-h) + var(--nav-tabs-h));
            }
            :root {
                --nav-top-h: 56px;
                --nav-tabs-h: 46px;
            }

            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }

            .nav-top {
                padding: 0 16px;
                height: var(--nav-top-h);
            }
            .logo {
                font-size: 1.15rem;
            }
            .logo i {
                font-size: 1.3rem;
            }
            .nav-search {
                min-width: 120px;
                flex: 1;
                max-width: 180px;
                height: 34px;
                padding: 0 12px;
            }
            .nav-search input {
                font-size: 0.8rem;
            }
            .nav-cta-btn {
                padding: 6px 14px;
                font-size: 0.8rem;
            }
            .nav-cta-btn span {
                display: none;
            }
            .menu-toggle {
                display: block;
            }

            .nav-tab {
                font-size: 0.8rem;
                padding: 6px 14px;
                height: 32px;
            }

            .page-hero {
                padding: 48px 0 40px;
            }
            .page-hero h1 {
                font-size: 2.2rem;
            }
            .page-hero p {
                font-size: 1rem;
            }
            .hero-stats {
                gap: 24px;
            }
            .hero-stat .num {
                font-size: 1.5rem;
            }

            .section {
                padding: 48px 0;
            }
            .section-header {
                margin-bottom: 32px;
            }

            .category-grid {
                grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
                gap: 16px;
            }

            .events-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .guide-list {
                grid-template-columns: 1fr;
            }

            .timeline-section::before {
                left: 24px;
            }
            .timeline-dot {
                left: 24px;
            }
            .timeline-item,
            .timeline-item:nth-child(even) {
                flex-direction: column;
                padding-left: 0;
                gap: 12px;
            }
            .timeline-item .date {
                flex: none;
                display: flex;
                align-items: center;
                gap: 12px;
                padding: 8px 16px;
                text-align: left;
            }
            .timeline-item .date .day {
                font-size: 1.2rem;
            }

            .cta-section h2 {
                font-size: 1.8rem;
            }
            .cta-btns {
                flex-direction: column;
                align-items: center;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }

            .faq-item summary {
                padding: 14px 18px;
                font-size: 0.95rem;
            }
            .faq-item .answer {
                padding: 0 18px 16px;
                font-size: 0.88rem;
            }

            .event-card .card-body {
                padding: 16px 18px 18px;
            }
            .category-card {
                padding: 20px 18px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }
            h1 {
                font-size: 1.7rem;
            }
            h2 {
                font-size: 1.4rem;
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .nav-search {
                min-width: 80px;
                max-width: 120px;
            }
            .nav-search input {
                font-size: 0.75rem;
            }
            .nav-tab {
                font-size: 0.75rem;
                padding: 4px 10px;
                gap: 4px;
            }
            .nav-tab i {
                font-size: 0.7rem;
            }
            .category-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .category-card .icon {
                width: 40px;
                height: 40px;
                font-size: 1.2rem;
            }
            .category-card h3 {
                font-size: 1rem;
            }
            .category-card p {
                font-size: 0.8rem;
            }
            .hero-stats {
                gap: 16px;
            }
            .hero-stat .num {
                font-size: 1.2rem;
            }
            .cta-btn-primary,
            .cta-btn-secondary {
                width: 100%;
                justify-content: center;
                padding: 12px 20px;
            }
        }

        /* ===== Scrollbar ===== */
        ::-webkit-scrollbar {
            width: 6px;
            height: 6px;
        }
        ::-webkit-scrollbar-track {
            background: var(--bg-darker);
        }
        ::-webkit-scrollbar-thumb {
            background: var(--text-dim);
            border-radius: 10px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--text-muted);
        }

        /* ===== Selection ===== */
        ::selection {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Focus ===== */
        :focus-visible {
            outline: 2px solid var(--primary-light);
            outline-offset: 2px;
            border-radius: 4px;
        }

        /* ===== Animations ===== */
        @keyframes fadeUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-up {
            animation: fadeUp 0.6s ease forwards;
        }
        .animate-delay-1 {
            animation-delay: 0.1s;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
        }

/* roulang page: article */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
:root {
  --primary: #0d1b2a;
  --primary-light: #1b2d45;
  --accent: #f77f00;
  --accent-hover: #e67200;
  --gold: #fcbf49;
  --gold-light: #ffe5a3;
  --bg: #f5f7fa;
  --bg-card: #ffffff;
  --text: #1a1a2e;
  --text-soft: #4a4a5a;
  --text-weak: #8a8a9a;
  --border: #e2e5ea;
  --radius: 12px;
  --radius-sm: 8px;
  --radius-lg: 18px;
  --shadow: 0 4px 20px rgba(0,0,0,0.06);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.10);
  --transition: 0.25s cubic-bezier(0.4,0,0.2,1);
  --font: 'Inter', -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, Helvetica, Arial, sans-serif;
  --max-width: 1200px;
  --header-h: 56px;
  --nav-h: 48px;
}
html { scroll-behavior: smooth; }
body { font-family: var(--font); background: var(--bg); color: var(--text); line-height: 1.6; -webkit-font-smoothing: antialiased; }
a { color: var(--accent); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--accent-hover); }
img { max-width: 100%; height: auto; display: block; }
button, input, textarea { font-family: inherit; font-size: 1rem; }
.container { width: 100%; max-width: var(--max-width); margin: 0 auto; padding: 0 20px; }
@media (max-width: 768px) { .container { padding: 0 16px; } }

/* header + 双层导航 */
.header { background: var(--primary); position: sticky; top: 0; z-index: 1000; box-shadow: 0 2px 12px rgba(0,0,0,0.15); }
.header-row { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); padding: 0 20px; max-width: var(--max-width); margin: 0 auto; }
.logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 1.25rem; font-weight: 700; letter-spacing: 0.3px; }
.logo i { color: var(--gold); font-size: 1.4rem; }
.logo:hover { color: var(--gold); }
.header-actions { display: flex; align-items: center; gap: 12px; }
.header-actions .search-box { display: flex; align-items: center; background: rgba(255,255,255,0.10); border-radius: 24px; padding: 0 14px; height: 34px; transition: var(--transition); }
.header-actions .search-box:focus-within { background: rgba(255,255,255,0.18); }
.header-actions .search-box input { background: none; border: none; outline: none; color: #fff; width: 140px; font-size: 0.85rem; padding: 4px 0; }
.header-actions .search-box input::placeholder { color: rgba(255,255,255,0.4); }
.header-actions .search-box i { color: rgba(255,255,255,0.5); font-size: 0.9rem; }
.header-actions .btn-cta-sm { background: var(--accent); color: #fff; border: none; border-radius: 24px; padding: 6px 18px; font-size: 0.8rem; font-weight: 600; cursor: pointer; transition: var(--transition); white-space: nowrap; }
.header-actions .btn-cta-sm:hover { background: var(--accent-hover); transform: scale(1.02); }
.menu-toggle { display: none; background: none; border: none; color: #fff; font-size: 1.3rem; cursor: pointer; padding: 4px; }

/* 频道Tabs导航行 */
.nav-tabs-row { background: var(--primary-light); border-top: 1px solid rgba(255,255,255,0.06); }
.nav-tabs { display: flex; gap: 4px; padding: 6px 0; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab { display: flex; align-items: center; gap: 6px; padding: 6px 18px; border-radius: 24px; color: rgba(255,255,255,0.7); font-size: 0.85rem; font-weight: 500; white-space: nowrap; transition: var(--transition); flex-shrink: 0; }
.nav-tab i { font-size: 0.8rem; }
.nav-tab:hover { color: #fff; background: rgba(255,255,255,0.10); }
.nav-tab.active { background: var(--accent); color: #fff; box-shadow: 0 2px 10px rgba(247,127,0,0.3); }
.nav-tab.active:hover { background: var(--accent-hover); }

@media (max-width: 768px) {
  .menu-toggle { display: block; }
  .header-actions .search-box input { width: 100px; }
  .header-actions .btn-cta-sm { display: none; }
  .nav-tabs { padding: 6px 0; }
  .nav-tab { padding: 6px 14px; font-size: 0.8rem; }
}

/* 文章Banner */
.article-hero { position: relative; min-height: 320px; display: flex; align-items: center; background: var(--primary); overflow: hidden; }
.article-hero-bg { position: absolute; inset: 0; background: url('/assets/images/backpic/back-1.png') center/cover no-repeat; opacity: 0.25; }
.article-hero-overlay { position: absolute; inset: 0; background: linear-gradient(135deg, rgba(13,27,42,0.88) 0%, rgba(13,27,42,0.60) 100%); }
.article-hero .container { position: relative; z-index: 2; padding: 60px 20px 50px; }
.article-breadcrumb { display: flex; align-items: center; gap: 8px; font-size: 0.8rem; color: rgba(255,255,255,0.5); margin-bottom: 18px; flex-wrap: wrap; }
.article-breadcrumb a { color: rgba(255,255,255,0.6); }
.article-breadcrumb a:hover { color: var(--gold); }
.article-breadcrumb span { color: rgba(255,255,255,0.8); }
.article-hero h1 { font-size: 2.2rem; font-weight: 800; color: #fff; line-height: 1.25; margin-bottom: 16px; max-width: 820px; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px 28px; font-size: 0.85rem; color: rgba(255,255,255,0.7); }
.article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { font-size: 0.8rem; }
.article-meta .badge-cat { display: inline-block; background: var(--accent); color: #fff; padding: 2px 14px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.article-meta .badge-hot { display: inline-flex; align-items: center; gap: 4px; background: rgba(255,107,53,0.25); color: #ff6b35; padding: 2px 12px; border-radius: 20px; font-size: 0.75rem; font-weight: 600; }
.article-meta .badge-hot i { font-size: 0.7rem; }
@media (max-width: 768px) {
  .article-hero { min-height: 240px; }
  .article-hero .container { padding: 40px 16px 36px; }
  .article-hero h1 { font-size: 1.5rem; }
  .article-meta { gap: 10px 18px; font-size: 0.78rem; }
}

/* 文章主体 */
.article-main { padding: 40px 0 50px; }
.article-layout { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
.article-body { background: var(--bg-card); border-radius: var(--radius); padding: 36px 40px; box-shadow: var(--shadow); }
.article-body .content-not-found { text-align: center; padding: 60px 20px; }
.article-body .content-not-found i { font-size: 3rem; color: var(--text-weak); margin-bottom: 16px; }
.article-body .content-not-found h2 { font-size: 1.4rem; margin-bottom: 10px; }
.article-body .content-not-found p { color: var(--text-soft); margin-bottom: 20px; }
.article-body .content-not-found .btn-back { display: inline-flex; align-items: center; gap: 8px; background: var(--accent); color: #fff; padding: 10px 28px; border-radius: 30px; font-weight: 600; }
.article-body .content-not-found .btn-back:hover { background: var(--accent-hover); color: #fff; }
.article-content { font-size: 1.05rem; line-height: 1.8; color: var(--text); }
.article-content p { margin-bottom: 1.2em; }
.article-content h2, .article-content h3 { margin-top: 1.6em; margin-bottom: 0.6em; font-weight: 700; color: var(--primary); }
.article-content h2 { font-size: 1.5rem; }
.article-content h3 { font-size: 1.2rem; }
.article-content ul, .article-content ol { margin-bottom: 1.2em; padding-left: 1.5em; }
.article-content li { margin-bottom: 0.4em; }
.article-content img { border-radius: var(--radius-sm); margin: 1.2em 0; box-shadow: var(--shadow); }
.article-content blockquote { border-left: 4px solid var(--accent); background: rgba(247,127,0,0.06); padding: 12px 20px; margin: 1.2em 0; border-radius: 0 var(--radius-sm) var(--radius-sm) 0; color: var(--text-soft); }
.article-content a { color: var(--accent); font-weight: 500; }
.article-content a:hover { text-decoration: underline; }

.article-tags { display: flex; flex-wrap: wrap; gap: 8px; margin-top: 30px; padding-top: 24px; border-top: 1px solid var(--border); }
.article-tags .tag { display: inline-flex; align-items: center; gap: 4px; background: var(--bg); color: var(--text-soft); padding: 4px 14px; border-radius: 20px; font-size: 0.78rem; font-weight: 500; transition: var(--transition); }
.article-tags .tag i { font-size: 0.7rem; color: var(--accent); }
.article-tags .tag:hover { background: var(--accent); color: #fff; }
.article-tags .tag:hover i { color: #fff; }

.article-share { display: flex; align-items: center; gap: 12px; margin-top: 20px; padding-top: 16px; border-top: 1px solid var(--border); }
.article-share span { font-size: 0.85rem; color: var(--text-weak); }
.article-share a { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: var(--bg); color: var(--text-soft); transition: var(--transition); font-size: 0.95rem; }
.article-share a:hover { background: var(--accent); color: #fff; transform: translateY(-2px); }

/* 侧边栏 */
.article-sidebar { display: flex; flex-direction: column; gap: 28px; }
.sidebar-card { background: var(--bg-card); border-radius: var(--radius); padding: 24px; box-shadow: var(--shadow); }
.sidebar-card h4 { font-size: 1rem; font-weight: 700; margin-bottom: 16px; display: flex; align-items: center; gap: 8px; color: var(--primary); }
.sidebar-card h4 i { color: var(--accent); font-size: 0.9rem; }
.sidebar-list { list-style: none; display: flex; flex-direction: column; gap: 12px; }
.sidebar-list li { }
.sidebar-list a { display: flex; gap: 12px; align-items: flex-start; color: var(--text); transition: var(--transition); }
.sidebar-list a:hover { color: var(--accent); }
.sidebar-list .thumb { width: 60px; height: 60px; border-radius: var(--radius-sm); object-fit: cover; flex-shrink: 0; background: var(--bg); }
.sidebar-list .info { flex: 1; min-width: 0; }
.sidebar-list .info .title { font-size: 0.85rem; font-weight: 600; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.35; }
.sidebar-list .info .date { font-size: 0.72rem; color: var(--text-weak); margin-top: 4px; }
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 6px; }
.sidebar-tags a { display: inline-block; background: var(--bg); color: var(--text-soft); padding: 4px 12px; border-radius: 16px; font-size: 0.75rem; font-weight: 500; transition: var(--transition); }
.sidebar-tags a:hover { background: var(--accent); color: #fff; }
.sidebar-hot-item { display: flex; align-items: center; gap: 12px; padding: 8px 0; border-bottom: 1px solid var(--border); }
.sidebar-hot-item:last-child { border-bottom: none; }
.sidebar-hot-item .rank { width: 26px; height: 26px; border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 0.72rem; font-weight: 700; background: var(--bg); color: var(--text-weak); flex-shrink: 0; }
.sidebar-hot-item .rank.top { background: var(--accent); color: #fff; }
.sidebar-hot-item .info { flex: 1; min-width: 0; }
.sidebar-hot-item .info .title { font-size: 0.82rem; font-weight: 500; display: -webkit-box; -webkit-line-clamp: 1; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-hot-item .info .views { font-size: 0.7rem; color: var(--text-weak); }
.sidebar-hot-item .hot-badge { font-size: 0.65rem; background: rgba(247,127,0,0.12); color: var(--accent); padding: 2px 8px; border-radius: 10px; font-weight: 600; }

@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr 280px; gap: 28px; }
  .article-body { padding: 28px 24px; }
}
@media (max-width: 768px) {
  .article-layout { grid-template-columns: 1fr; gap: 24px; }
  .article-body { padding: 20px 18px; }
  .article-sidebar { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
}
@media (max-width: 520px) {
  .article-sidebar { grid-template-columns: 1fr; }
}

/* 相关文章 */
.related-section { padding: 50px 0; background: var(--bg); }
.related-section .section-title { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 28px; display: flex; align-items: center; gap: 10px; }
.related-section .section-title i { color: var(--accent); }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 20px; }
.related-card { background: var(--bg-card); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow); transition: var(--transition); }
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-hover); }
.related-card .card-img { width: 100%; aspect-ratio: 16/10; object-fit: cover; display: block; background: var(--bg); }
.related-card .card-body { padding: 16px 18px 18px; }
.related-card .card-body .cat-tag { display: inline-block; background: rgba(247,127,0,0.10); color: var(--accent); padding: 1px 10px; border-radius: 12px; font-size: 0.68rem; font-weight: 600; margin-bottom: 8px; }
.related-card .card-body h5 { font-size: 0.95rem; font-weight: 600; line-height: 1.4; margin-bottom: 6px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card .card-body h5 a { color: var(--text); }
.related-card .card-body h5 a:hover { color: var(--accent); }
.related-card .card-body .meta { font-size: 0.72rem; color: var(--text-weak); display: flex; gap: 12px; }
@media (max-width: 1024px) { .related-grid { grid-template-columns: repeat(3, 1fr); } }
@media (max-width: 768px) { .related-grid { grid-template-columns: repeat(2, 1fr); } }
@media (max-width: 520px) { .related-grid { grid-template-columns: 1fr; } }

/* FAQ */
.faq-section { padding: 50px 0; background: var(--bg-card); }
.faq-section .section-title { font-size: 1.5rem; font-weight: 700; color: var(--primary); margin-bottom: 10px; text-align: center; }
.faq-section .section-subtitle { text-align: center; color: var(--text-soft); margin-bottom: 30px; font-size: 0.95rem; }
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 10px; }
.faq-item { border: 1px solid var(--border); border-radius: var(--radius-sm); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: var(--accent); }
.faq-question { display: flex; justify-content: space-between; align-items: center; padding: 16px 20px; cursor: pointer; background: none; border: none; width: 100%; text-align: left; font-size: 0.95rem; font-weight: 600; color: var(--text); transition: var(--transition); gap: 12px; }
.faq-question i { color: var(--accent); font-size: 0.85rem; transition: var(--transition); flex-shrink: 0; }
.faq-question[aria-expanded="true"] i { transform: rotate(180deg); }
.faq-question:hover { background: rgba(247,127,0,0.04); }
.faq-answer { padding: 0 20px 16px; font-size: 0.9rem; color: var(--text-soft); line-height: 1.7; display: none; }
.faq-answer.open { display: block; }

/* CTA */
.cta-section { padding: 60px 0; background: var(--primary); position: relative; overflow: hidden; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: url('/assets/images/backpic/back-2.png') center/cover no-repeat; opacity: 0.08; }
.cta-section .container { position: relative; z-index: 2; text-align: center; }
.cta-section h2 { font-size: 1.8rem; font-weight: 800; color: #fff; margin-bottom: 12px; }
.cta-section p { color: rgba(255,255,255,0.7); font-size: 1rem; max-width: 560px; margin: 0 auto 28px; }
.cta-section .btn-cta { display: inline-flex; align-items: center; gap: 10px; background: var(--accent); color: #fff; padding: 14px 40px; border-radius: 40px; font-size: 1rem; font-weight: 700; transition: var(--transition); border: none; cursor: pointer; }
.cta-section .btn-cta:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 8px 30px rgba(247,127,0,0.35); color: #fff; }
.cta-section .btn-cta i { font-size: 0.9rem; }
@media (max-width: 768px) {
  .cta-section h2 { font-size: 1.4rem; }
  .cta-section .btn-cta { padding: 12px 32px; font-size: 0.9rem; }
}

/* 页脚 */
.footer { background: var(--primary); color: rgba(255,255,255,0.7); padding: 48px 0 20px; }
.footer-grid { display: grid; grid-template-columns: 1.6fr 1fr 1fr 1.2fr; gap: 36px; margin-bottom: 32px; }
.footer-brand .logo { color: #fff; font-size: 1.2rem; margin-bottom: 14px; display: inline-flex; }
.footer-brand p { font-size: 0.85rem; line-height: 1.7; color: rgba(255,255,255,0.5); max-width: 300px; }
.footer-col h5 { color: #fff; font-size: 0.9rem; font-weight: 700; margin-bottom: 14px; letter-spacing: 0.3px; }
.footer-col a { display: block; color: rgba(255,255,255,0.55); font-size: 0.82rem; padding: 4px 0; transition: var(--transition); }
.footer-col a:hover { color: var(--gold); padding-left: 4px; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { display: flex; align-items: center; justify-content: center; width: 36px; height: 36px; border-radius: 50%; background: rgba(255,255,255,0.08); color: rgba(255,255,255,0.6); font-size: 1rem; transition: var(--transition); padding: 0; }
.footer-social a:hover { background: var(--accent); color: #fff; padding-left: 0; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.08); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 0.75rem; color: rgba(255,255,255,0.3); }
.footer-bottom a { color: rgba(255,255,255,0.35); }
.footer-bottom a:hover { color: var(--gold); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .footer-brand { grid-column: 1 / -1; }
}
@media (max-width: 520px) {
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; align-items: center; text-align: center; }
}

/* 页面加载动画 */
.fade-in { animation: fadeIn 0.5s ease-out; }
@keyframes fadeIn { from { opacity: 0; transform: translateY(12px); } to { opacity: 1; transform: translateY(0); } }