/* roulang page: index */
:root {
  --bg-primary: #080C14;
  --bg-secondary: #0D1320;
  --bg-card: rgba(255,255,255,0.04);
  --inter-blue: #0068A8;
  --inter-blue-light: #1E90D0;
  --gold: #C9A227;
  --gold-light: #E6BE4E;
  --gold-glow: rgba(201,162,39,0.35);
  --text-primary: #E8EDF4;
  --text-secondary: #9AA7B8;
  --text-muted: #5D6B7E;
  --border-glass: rgba(255,255,255,0.08);
  --radius-card: 12px;
  --radius-lg: 20px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --transition: all 0.3s ease;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  line-height: 1.8;
  font-size: 16px;
  overflow-x: hidden;
  position: relative;
}
body::before {
  content: "";
  position: fixed;
  inset: 0;
  background: repeating-linear-gradient(90deg, rgba(0,104,168,0.05) 0, rgba(0,104,168,0.05) 3px, transparent 3px, transparent 120px);
  pointer-events: none;
  z-index: 0;
}
a { color: var(--text-primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--gold-light); }
img { max-width: 100%; height: auto; }
button, input, select { font-family: inherit; }
.container-custom { max-width: 1240px; padding-left: 40px; padding-right: 40px; margin: 0 auto; }
.section-block { padding: 72px 0; position: relative; z-index: 1; }
.main-content { margin-left: 240px; position: relative; z-index: 1; }

/* 侧边导航 */
.site-sidebar {
  position: fixed;
  left: 0;
  top: 0;
  width: 240px;
  height: 100vh;
  background: rgba(13,19,32,0.92);
  backdrop-filter: blur(14px);
  border-right: 1px solid var(--border-glass);
  display: flex;
  flex-direction: column;
  z-index: 1050;
  padding: 28px 20px 24px;
}
.sidebar-brand {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 8px 8px 22px;
  border-bottom: 1px solid var(--border-glass);
  margin-bottom: 20px;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 22px;
  font-weight: 900;
  color: var(--gold-light);
  letter-spacing: 0.02em;
}
.brand-logo i { font-size: 26px; }
.brand-name {
  font-size: 14px;
  font-weight: 700;
  color: var(--text-primary);
  letter-spacing: 0.06em;
  line-height: 1.3;
}
.sidebar-nav { display: flex; flex-direction: column; gap: 4px; flex: 1; }
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-secondary);
  position: relative;
  border-left: 3px solid transparent;
}
.sidebar-nav .nav-link i { font-size: 18px; color: var(--text-muted); transition: var(--transition); }
.sidebar-nav .nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
  border-left-color: var(--gold);
}
.sidebar-nav .nav-link:hover i { color: var(--gold-light); }
.sidebar-nav .nav-link.active {
  background: rgba(255,255,255,0.06);
  color: #fff;
  border-left-color: var(--gold);
}
.sidebar-nav .nav-link.active i { color: var(--gold-light); }
.sidebar-footer {
  border-top: 1px solid var(--border-glass);
  padding-top: 16px;
  font-size: 12px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 移动端导航 */
.mobile-nav {
  display: none;
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(8,12,20,0.96);
  backdrop-filter: blur(14px);
  border-bottom: 1px solid var(--border-glass);
  padding: 12px 20px;
}
.mobile-nav .navbar-brand {
  display: flex;
  align-items: center;
  gap: 6px;
  font-weight: 800;
  color: var(--text-primary);
  font-size: 18px;
}
.mobile-nav .navbar-brand .brand-logo { font-size: 16px; }
.mobile-nav .navbar-brand .brand-name { font-size: 13px; }
.mobile-nav .navbar-toggler {
  border: 1px solid rgba(255,255,255,0.25);
  border-radius: 8px;
  padding: 6px 10px;
}
.mobile-nav .navbar-toggler:focus { box-shadow: 0 0 0 2px rgba(201,162,39,0.4); }
.mobile-nav .navbar-toggler-icon {
  background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.7)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
}
.mobile-nav .navbar-collapse .nav-link {
  color: var(--text-secondary);
  padding: 10px 14px;
  border-radius: 8px;
  font-size: 15px;
}
.mobile-nav .navbar-collapse .nav-link:hover { color: var(--gold-light); background: rgba(255,255,255,0.05); }
.mobile-nav .navbar-collapse .nav-link.active { color: var(--gold-light); }

/* 按钮 */
.btn-main {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #E6BE4E, #C9A227);
  color: #0D1320;
  font-weight: 700;
  padding: 12px 28px;
  border: none;
  border-radius: 8px;
  font-size: 15px;
  transition: var(--transition);
  cursor: pointer;
}
.btn-main:hover { color: #080C14; box-shadow: 0 0 18px rgba(201,162,39,0.4); transform: translateY(-2px); }
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  border: 1px solid rgba(255,255,255,0.3);
  color: var(--text-primary);
  padding: 12px 28px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  transition: var(--transition);
  cursor: pointer;
}
.btn-outline:hover { border-color: var(--gold); color: var(--gold-light); transform: translateY(-2px); }

/* 玻璃卡片 */
.card-glass {
  position: relative;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  overflow: hidden;
  transition: var(--transition);
}
.card-glass::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 48%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,162,39,0.5), rgba(230,190,78,0.9));
  border-radius: 0 12px 0 0;
  z-index: 2;
}
.card-glass:hover {
  background: rgba(255,255,255,0.07);
  box-shadow: 0 0 24px rgba(201,162,39,0.12);
  transform: translateY(-2px);
}

/* Hero */
.hero-section {
  position: relative;
  padding: 96px 0 80px;
  overflow: hidden;
}
.hero-section::after {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(201,162,39,0.12) 0%, transparent 70%);
  pointer-events: none;
  z-index: 0;
}
.hero-wrap { position: relative; z-index: 1; display: flex; align-items: center; gap: 48px; }
.hero-text { flex: 1; }
.hero-text h1 {
  font-size: 40px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.02em;
  margin-bottom: 20px;
}
.hero-text .hero-sub {
  font-size: 16px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 32px;
  max-width: 480px;
}
.hero-btns { display: flex; gap: 16px; flex-wrap: wrap; }
.hero-trust {
  display: flex;
  gap: 24px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border-glass);
}
.hero-trust span { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--text-muted); }
.hero-trust i { color: var(--gold); }
.hero-visual { flex: 1; position: relative; }
.hero-visual .img-frame {
  position: relative;
  border-radius: 16px;
  overflow: hidden;
  aspect-ratio: 4/3;
  border: 1px solid rgba(201,162,39,0.35);
  box-shadow: 0 0 32px rgba(201,162,39,0.15);
}
.hero-visual .img-frame img { width: 100%; height: 100%; object-fit: cover; display: block; }

/* 功能分组 */
.features-section { background: rgba(13,19,32,0.5); }
.section-title { font-size: 28px; font-weight: 800; margin-bottom: 12px; letter-spacing: 0.02em; }
.section-desc { color: var(--text-secondary); font-size: 15px; max-width: 640px; margin-bottom: 40px; }
.features-wrap { display: flex; gap: 48px; align-items: center; }
.feature-grid { flex: 1; display: grid; grid-template-columns: 1fr 1fr; gap: 32px 28px; }
.feature-item { position: relative; padding-right: 12px; }
.feature-item .feature-icon {
  width: 44px;
  height: 44px;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 10px;
  background: rgba(201,162,39,0.1);
  color: var(--gold);
  font-size: 22px;
  margin-bottom: 12px;
  transition: var(--transition);
}
.feature-item:hover .feature-icon { box-shadow: 0 0 18px rgba(201,162,39,0.3); }
.feature-item h3 { font-size: 17px; font-weight: 700; margin-bottom: 6px; }
.feature-item p { font-size: 14px; color: var(--text-secondary); line-height: 1.6; margin-bottom: 0; }
.feature-visual { flex: 1; position: relative; }
.feature-visual .big-img {
  border-radius: var(--radius-lg);
  overflow: hidden;
  position: relative;
  min-height: 380px;
}
.feature-visual .big-img img { width: 100%; height: 100%; object-fit: cover; display: block; }
.feature-float-card {
  position: absolute;
  bottom: 24px;
  left: 24px;
  right: 24px;
  background: rgba(13,19,32,0.85);
  backdrop-filter: blur(14px);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 20px 24px;
}
.feature-float-card .fc-title { font-size: 15px; font-weight: 700; margin-bottom: 4px; }
.feature-float-card .fc-desc { font-size: 13px; color: var(--text-secondary); }

/* 使用场景 */
.scene-section { background: var(--bg-primary); }
.scene-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.scene-card {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  min-height: 320px;
  display: flex;
  align-items: flex-end;
  background-size: cover;
  background-position: center;
  border: 1px solid var(--border-glass);
  transition: var(--transition);
}
.scene-card:hover { transform: translateY(-4px); box-shadow: 0 12px 40px rgba(0,0,0,0.4); }
.scene-card::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(to bottom, rgba(8,12,20,0.1), rgba(8,12,20,0.85));
  z-index: 1;
}
.scene-body { position: relative; z-index: 2; padding: 28px; width: 100%; }
.scene-body h3 { font-size: 20px; font-weight: 800; margin-bottom: 6px; }
.scene-body p { font-size: 14px; color: var(--text-secondary); margin-bottom: 12px; }
.scene-link { color: var(--gold-light); font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.scene-link i { transition: transform 0.3s; }
.scene-link:hover i { transform: translateX(4px); }

/* 成功案例 */
.stats-section { background: rgba(13,19,32,0.5); }
.stats-row { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; margin-bottom: 48px; }
.stat-item { text-align: center; padding: 24px 16px; border-right: 1px solid var(--border-glass); }
.stat-item:last-child { border-right: none; }
.stat-item .stat-num { font-size: 56px; font-weight: 900; color: var(--gold-light); line-height: 1.2; }
.stat-item .stat-label { font-size: 13px; color: var(--text-secondary); margin-top: 4px; }
.case-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.case-card { display: flex; gap: 20px; padding: 28px; align-items: flex-start; }
.case-avatar {
  width: 56px;
  height: 56px;
  border-radius: 12px;
  overflow: hidden;
  flex-shrink: 0;
  background: rgba(201,162,39,0.15);
  display: flex;
  align-items: center;
  justify-content: center;
}
.case-avatar img { width: 100%; height: 100%; object-fit: cover; }
.case-avatar i { font-size: 24px; color: var(--gold); }
.case-body blockquote { border: none; margin: 0 0 12px; padding: 0; font-size: 15px; color: var(--text-primary); line-height: 1.8; }
.case-body cite { font-style: normal; font-size: 13px; color: var(--text-muted); }

/* 价格套餐 */
.plans-section { background: var(--bg-primary); }
.plans-wrap { display: flex; gap: 24px; align-items: center; justify-content: center; }
.plan-card {
  flex: 1;
  padding: 36px 28px;
  opacity: 0.9;
}
.plan-card.featured { flex: 1.3; opacity: 1; border-color: rgba(201,162,39,0.45); transform: scale(1.02); }
.plan-card.featured::before { width: 70%; }
.plan-tag {
  display: inline-block;
  background: linear-gradient(135deg, #E6BE4E, #C9A227);
  color: #0D1320;
  font-size: 12px;
  font-weight: 700;
  padding: 4px 14px;
  border-radius: 6px;
  margin-bottom: 16px;
  letter-spacing: 0.02em;
}
.plan-card.featured .plan-tag { background: linear-gradient(135deg, #E6BE4E, #C9A227); }
.plan-name { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.plan-price { font-size: 32px; font-weight: 900; color: var(--gold-light); margin-bottom: 20px; }
.plan-price small { font-size: 16px; color: var(--text-muted); font-weight: 400; }
.plan-list { list-style: none; padding: 0; margin: 0 0 28px; }
.plan-list li {
  display: flex;
  align-items: flex-start;
  gap: 10px;
  font-size: 14px;
  color: var(--text-secondary);
  padding: 6px 0;
  line-height: 1.6;
}
.plan-list li i { color: var(--gold); font-size: 15px; margin-top: 4px; flex-shrink: 0; }

/* CTA */
.cta-strip {
  position: relative;
  background: linear-gradient(120deg, rgba(201,162,39,0.15), rgba(230,190,78,0.05));
  border-top: 1px solid rgba(201,162,39,0.25);
  border-bottom: 1px solid rgba(201,162,39,0.25);
  padding: 56px 0;
}
.cta-inner { display: flex; align-items: center; justify-content: space-between; gap: 32px; flex-wrap: wrap; }
.cta-inner h2 { font-size: 26px; font-weight: 800; margin-bottom: 6px; }
.cta-inner p { color: var(--text-secondary); font-size: 15px; margin: 0; }

/* 资讯列表 */
.news-section { background: rgba(13,19,32,0.5); }
.news-head { display: flex; align-items: center; justify-content: space-between; margin-bottom: 32px; }
.news-head .more-link { color: var(--text-secondary); font-size: 14px; display: inline-flex; align-items: center; gap: 6px; }
.news-head .more-link:hover { color: var(--gold-light); }
.news-list { display: flex; flex-direction: column; gap: 12px; }
.news-card {
  display: flex;
  align-items: center;
  gap: 20px;
  padding: 20px 24px;
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.news-card::before {
  content: "";
  position: absolute;
  top: 0;
  right: 0;
  width: 36%;
  height: 1px;
  background: linear-gradient(90deg, transparent, rgba(201,162,39,0.4), rgba(230,190,78,0.7));
  border-radius: 0 12px 0 0;
}
.news-card:hover { background: rgba(255,255,255,0.07); transform: translateY(-2px); box-shadow: 0 4px 20px rgba(0,0,0,0.3); }
.news-cat {
  flex-shrink: 0;
  background: rgba(201,162,39,0.12);
  color: var(--gold-light);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 6px;
  white-space: nowrap;
}
.news-body { flex: 1; min-width: 0; }
.news-body h3 { font-size: 16px; font-weight: 700; margin-bottom: 4px; white-space: nowrap; overflow: hidden; text-overflow: ellipsis; }
.news-body p { font-size: 14px; color: var(--text-secondary); margin: 0; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; line-height: 1.6; }
.news-meta { flex-shrink: 0; display: flex; align-items: center; gap: 12px; color: var(--text-muted); font-size: 13px; }
.news-meta .news-arrow { color: var(--text-muted); transition: transform 0.3s; }
.news-card:hover .news-arrow { transform: translateX(4px); color: var(--gold-light); }
.news-empty { text-align: center; padding: 60px 20px; color: var(--text-muted); }
.news-empty i { font-size: 40px; display: block; margin-bottom: 12px; color: var(--text-muted); }
.news-empty p { font-size: 15px; margin: 0; }

/* FAQ */
.faq-section { background: var(--bg-primary); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { background: var(--bg-card); border: 1px solid var(--border-glass); border-radius: var(--radius-card); padding: 24px 28px; margin-bottom: 16px; transition: var(--transition); }
.faq-item:hover { background: rgba(255,255,255,0.06); border-color: rgba(201,162,39,0.25); }
.faq-item h3 { font-size: 16px; font-weight: 700; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.faq-item h3 i { color: var(--gold); font-size: 16px; }
.faq-item p { font-size: 14px; color: var(--text-secondary); margin: 0 0 0 26px; line-height: 1.8; }

/* 页脚 */
.site-footer { background: #05080F; border-top: 1px solid var(--border-glass); padding: 56px 0 0; position: relative; z-index: 1; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 32px; margin-bottom: 40px; }
.footer-brand .brand-logo { font-size: 20px; margin-bottom: 8px; }
.footer-brand p { font-size: 14px; color: var(--text-secondary); line-height: 1.7; margin-bottom: 16px; }
.footer-col h4 { font-size: 15px; font-weight: 700; margin-bottom: 16px; color: var(--text-primary); }
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { color: var(--text-secondary); font-size: 14px; }
.footer-col ul li a:hover { color: var(--gold-light); }
.footer-contact { font-size: 14px; color: var(--text-secondary); line-height: 2; }
.footer-contact a { color: var(--gold-light); }
.footer-bottom { border-top: 1px solid var(--border-glass); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 8px; font-size: 13px; color: var(--text-muted); }

/* 响应式 */
@media (max-width: 991.98px) {
  .site-sidebar { display: none; }
  .mobile-nav { display: flex; }
  .main-content { margin-left: 0; }
  .container-custom { padding-left: 24px; padding-right: 24px; }
  .section-block { padding: 48px 0; }
}
@media (max-width: 767.98px) {
  .hero-section { padding: 56px 0 48px; }
  .hero-wrap { flex-direction: column; gap: 32px; }
  .hero-text h1 { font-size: 28px; }
  .hero-text .hero-sub { font-size: 15px; }
  .hero-trust { flex-direction: column; gap: 8px; }
  .features-wrap { flex-direction: column; }
  .feature-grid { grid-template-columns: 1fr; gap: 20px; }
  .feature-visual .big-img { min-height: 280px; }
  .scene-grid { grid-template-columns: 1fr; }
  .scene-card { min-height: 260px; }
  .stats-row { grid-template-columns: 1fr 1fr; gap: 16px; }
  .stat-item { border-right: none; padding: 16px 8px; }
  .stat-item .stat-num { font-size: 40px; }
  .case-grid { grid-template-columns: 1fr; }
  .plans-wrap { flex-direction: column; }
  .plan-card, .plan-card.featured { flex: 1; width: 100%; transform: none; opacity: 1; }
  .cta-inner { flex-direction: column; text-align: center; }
  .cta-inner .btn-main { width: 100%; justify-content: center; }
  .news-card { flex-direction: column; align-items: flex-start; gap: 12px; padding: 18px 20px; }
  .news-meta { width: 100%; justify-content: space-between; }
  .news-body h3 { white-space: normal; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .footer-contact { font-size: 13px; }
}

/* roulang page: article */
:root {
  --bg-primary: #080C14;
  --bg-secondary: #0D1320;
  --bg-card: rgba(255,255,255,0.04);
  --inter-blue: #0068A8;
  --inter-blue-light: #1E90D0;
  --gold: #C9A227;
  --gold-light: #E6BE4E;
  --gold-glow: rgba(201,162,39,0.35);
  --text-primary: #E8EDF4;
  --text-secondary: #9AA7B8;
  --text-muted: #5D6B7E;
  --border-glass: rgba(255,255,255,0.08);
  --radius-card: 12px;
  --radius-panel: 20px;
  --radius-btn: 8px;
  --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
  --shadow-hover: 0 0 24px rgba(201,162,39,0.12);
  --font-main: system-ui, -apple-system, 'Segoe UI', 'PingFang SC', 'Microsoft YaHei', sans-serif;
}
* {
  box-sizing: border-box;
  padding: 0;
  margin: 0;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-main);
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 15px;
  line-height: 1.8;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background-image: linear-gradient(90deg, rgba(0,104,168,0.08) 0%, transparent 15%, transparent 85%, rgba(0,104,168,0.05) 100%), linear-gradient(0deg, transparent 0%, transparent 48%, rgba(0,104,168,0.03) 50%, transparent 52%, transparent 100%);
  pointer-events: none;
  z-index: 0;
}
a {
  text-decoration: none;
  color: inherit;
}
img {
  max-width: 100%;
}
.container-custom {
  max-width: 1400px;
  margin: 0 auto;
  padding-left: 40px;
  padding-right: 40px;
}
/* 左侧导航 */
.site-sidebar {
  position: fixed;
  top: 0;
  left: 0;
  width: 240px;
  height: 100vh;
  background: rgba(13, 19, 32, 0.92);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border-right: 1px solid var(--border-glass);
  padding: 26px 20px;
  display: flex;
  flex-direction: column;
  z-index: 1050;
}
.sidebar-brand {
  display: flex;
  flex-direction: column;
  align-items: center;
  padding: 12px 0 24px;
  border-bottom: 1px solid rgba(255,255,255,0.06);
  margin-bottom: 20px;
}
.brand-logo {
  font-weight: 900;
  font-size: 20px;
  color: var(--gold-light);
  letter-spacing: 0.02em;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.brand-logo i {
  font-size: 20px;
}
.brand-name {
  font-weight: 700;
  font-size: 14px;
  color: var(--text-primary);
  letter-spacing: 0.05em;
  margin-top: 2px;
}
.sidebar-nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}
.sidebar-nav .nav-link {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border-radius: var(--radius-card);
  color: var(--text-secondary);
  font-size: 15px;
  font-weight: 500;
  transition: all 0.3s ease;
  position: relative;
}
.sidebar-nav .nav-link i {
  font-size: 18px;
  width: 22px;
  text-align: center;
  color: var(--text-muted);
  transition: color 0.3s;
}
.sidebar-nav .nav-link:hover {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.sidebar-nav .nav-link:hover::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--gold);
  border-radius: 0 3px 3px 0;
}
.sidebar-nav .nav-link:hover i {
  color: var(--gold-light);
}
.sidebar-nav .nav-link.active {
  background: rgba(255,255,255,0.06);
  color: var(--text-primary);
}
.sidebar-nav .nav-link.active::before {
  content: '';
  position: absolute;
  left: -20px;
  top: 20%;
  height: 60%;
  width: 3px;
  background: var(--gold);
  border-radius: 0 3px 3px 0;
}
.sidebar-nav .nav-link.active i {
  color: var(--gold-light);
}
.sidebar-footer {
  padding-top: 18px;
  border-top: 1px solid rgba(255,255,255,0.06);
  color: var(--text-muted);
  font-size: 12px;
  line-height: 1.7;
}
.sidebar-footer p {
  margin-bottom: 4px;
}
/* 内容区 */
.site-main {
  margin-left: 240px;
  padding: 0;
  min-height: 100vh;
  position: relative;
  z-index: 1;
}
/* 文章详情 */
.article-hero {
  position: relative;
  padding: 56px 0 40px;
  background: linear-gradient(120deg, rgba(0,104,168,0.18), rgba(0,0,0,0.2) 60%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom: 1px solid rgba(255,255,255,0.06);
}
.article-hero::after {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  background: linear-gradient(180deg, rgba(8,12,20,0.55), rgba(8,12,20,0.92));
  z-index: 1;
}
.article-hero .container-custom {
  position: relative;
  z-index: 2;
}
.breadcrumb-custom {
  display: flex;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
  margin-bottom: 24px;
  flex-wrap: wrap;
}
.breadcrumb-custom a {
  color: var(--text-secondary);
  transition: color 0.3s;
}
.breadcrumb-custom a:hover {
  color: var(--gold-light);
}
.breadcrumb-custom .separator {
  color: var(--text-muted);
}
.breadcrumb-custom .current {
  color: var(--gold-light);
}
.article-title {
  font-size: 40px;
  font-weight: 900;
  letter-spacing: 0.02em;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 16px;
  font-style: normal;
}
.article-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 20px;
}
.article-meta .meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.05);
  padding: 4px 14px;
  border-radius: 30px;
  backdrop-filter: blur(6px);
}
.article-meta .meta-item i {
  color: var(--gold);
}
.article-summary {
  max-width: 720px;
  font-size: 15px;
  line-height: 1.8;
  color: var(--text-secondary);
  background: rgba(255,255,255,0.04);
  border-left: 3px solid var(--gold);
  padding: 14px 18px;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
}
.article-body-wrap {
  padding: 48px 0 56px;
}
.article-body {
  max-width: 760px;
  margin: 0 auto;
}
.article-body .article-content {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-primary);
  word-break: break-word;
}
.article-content h2 {
  font-size: 30px;
  font-weight: 800;
  margin: 32px 0 16px;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  padding-bottom: 10px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.article-content h3 {
  font-size: 22px;
  font-weight: 700;
  margin: 28px 0 14px;
  color: var(--gold-light);
}
.article-content p {
  margin-bottom: 20px;
  color: var(--text-secondary);
  letter-spacing: 0.01em;
}
.article-content img {
  max-width: 100%;
  border-radius: var(--radius-card);
  border: 1px solid rgba(255,255,255,0.08);
  margin: 16px 0;
  height: auto;
}
.article-content blockquote {
  border-left: 3px solid var(--gold);
  background: rgba(255,255,255,0.03);
  padding: 16px 20px;
  margin: 20px 0;
  border-radius: 0 var(--radius-card) var(--radius-card) 0;
  color: var(--text-secondary);
  font-size: 15px;
}
.article-content ul, .article-content ol {
  padding-left: 1.5em;
  margin-bottom: 20px;
  color: var(--text-secondary);
}
.article-content li {
  margin-bottom: 8px;
}
.article-content table {
  width: 100%;
  border-collapse: collapse;
  margin: 20px 0;
  color: var(--text-secondary);
}
.article-content table th, .article-content table td {
  border: 1px solid #1E2A3A;
  padding: 10px 14px;
}
.article-content table th {
  background: rgba(255,255,255,0.04);
  color: var(--text-primary);
  font-weight: 600;
}
.article-content code {
  background: rgba(255,255,255,0.05);
  border: 1px solid rgba(255,255,255,0.08);
  padding: 2px 8px;
  border-radius: 4px;
  font-size: 14px;
  color: var(--gold-light);
}
.article-content a {
  color: var(--inter-blue-light);
  border-bottom: 1px dashed rgba(30,144,208,0.4);
  transition: color 0.3s, border-color 0.3s;
}
.article-content a:hover {
  color: var(--gold-light);
  border-bottom-color: var(--gold);
}
/* 相关推荐 */
.related-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  border-bottom: 1px solid var(--border-glass);
  padding: 48px 0;
}
.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 28px;
}
.section-head h2 {
  font-size: 26px;
  font-weight: 800;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  position: relative;
  padding-left: 16px;
}
.section-head h2::before {
  content: '';
  position: absolute;
  left: 0;
  top: 10%;
  height: 80%;
  width: 4px;
  background: var(--gold);
  border-radius: 3px;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}
.related-card {
  background: var(--bg-card);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-card);
  padding: 22px;
  transition: all 0.35s ease;
  position: relative;
  overflow: hidden;
}
.related-card::before {
  content: '';
  position: absolute;
  top: 0;
  right: 0;
  width: 60px;
  height: 1px;
  background: var(--gold);
  transition: box-shadow 0.3s;
}
.related-card:hover {
  background: rgba(255,255,255,0.07);
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
}
.related-card::before {
  box-shadow: 0 0 0 rgba(201,162,39,0);
}
.related-card:hover::before {
  box-shadow: 0 0 16px rgba(201,162,39,0.55);
}
.related-card .card-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 12px;
}
.related-card .card-category {
  font-size: 12px;
  color: var(--gold);
  background: rgba(201,162,39,0.12);
  padding: 2px 10px;
  border-radius: 20px;
  border: 1px solid rgba(201,162,39,0.25);
}
.related-card .card-date {
  font-size: 12px;
  color: var(--text-muted);
}
.related-card h3 {
  font-size: 17px;
  font-weight: 700;
  line-height: 1.4;
  margin-bottom: 10px;
  color: var(--text-primary);
  transition: color 0.3s;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card:hover h3 {
  color: var(--gold-light);
}
.related-card p {
  font-size: 14px;
  color: var(--text-muted);
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  margin-bottom: 0;
}
/* 返回入口 */
.article-return {
  padding: 32px 0;
  text-align: center;
}
.return-links {
  display: inline-flex;
  flex-wrap: wrap;
  gap: 16px;
  justify-content: center;
  align-items: center;
}
.return-links a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  color: var(--text-secondary);
  font-size: 14px;
  padding: 8px 18px;
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-btn);
  transition: all 0.3s;
}
.return-links a:hover {
  color: var(--gold-light);
  border-color: var(--gold);
  background: rgba(201,162,39,0.06);
  transform: translateX(-2px);
}
/* 页脚 */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-glass);
  padding: 48px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 36px;
  margin-bottom: 28px;
}
.footer-brand .brand-logo {
  font-size: 18px;
  margin-bottom: 8px;
}
.footer-brand p {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.8;
  max-width: 300px;
}
.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 16px;
}
.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
}
.footer-col ul li {
  margin-bottom: 8px;
}
.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: all 0.3s;
}
.footer-col ul a:hover {
  color: var(--gold-light);
  padding-left: 4px;
}
.footer-contact {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 2;
}
.footer-contact a {
  color: var(--inter-blue-light);
  transition: color 0.3s;
}
.footer-contact a:hover {
  color: var(--gold-light);
}
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.06);
  padding-top: 18px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 13px;
  color: var(--text-muted);
}
/* 未找到文章 */
.article-not-found {
  max-width: 720px;
  margin: 80px auto;
  text-align: center;
  padding: 48px 24px;
  background: rgba(255,255,255,0.03);
  border: 1px solid var(--border-glass);
  border-radius: var(--radius-panel);
}
.article-not-found i {
  font-size: 56px;
  color: var(--gold);
  margin-bottom: 20px;
  display: block;
}
.article-not-found h2 {
  font-size: 28px;
  font-weight: 800;
  margin-bottom: 16px;
}
.article-not-found p {
  color: var(--text-muted);
  font-size: 15px;
  margin-bottom: 28px;
}
.btn-gold {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #E6BE4E, #C9A227);
  color: #1a1a1a;
  font-weight: 700;
  font-size: 15px;
  padding: 10px 24px;
  border: none;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
}
.btn-gold:hover {
  color: #1a1a1a;
  box-shadow: 0 0 18px rgba(201,162,39,0.4);
  transform: translateY(-2px);
}
.btn-outline {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: transparent;
  color: var(--text-primary);
  border: 1px solid rgba(255,255,255,0.3);
  font-weight: 500;
  font-size: 15px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  transition: all 0.3s ease;
}
.btn-outline:hover {
  color: var(--gold-light);
  border-color: var(--gold);
  transform: translateY(-2px);
}
.badge-gold {
  display: inline-block;
  background: rgba(201,162,39,0.12);
  color: var(--gold-light);
  border: 1px solid rgba(201,162,39,0.25);
  font-size: 12px;
  padding: 4px 14px;
  border-radius: 30px;
  font-weight: 600;
  letter-spacing: 0.03em;
}
/* 响应式 */
@media (max-width: 1200px) {
  .related-grid {
    grid-template-columns: repeat(2, 1fr);
  }
}
@media (min-width: 992px) {
  .mobile-header {
    display: none !important;
  }
}
@media (max-width: 991px) {
  .site-sidebar {
    display: none;
  }
  .site-main {
    margin-left: 0;
  }
  .mobile-header {
    display: flex;
    align-items: center;
    justify-content: space-between;
    width: 100%;
    padding: 14px 20px;
    background: rgba(13, 19, 32, 0.95);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    border-bottom: 1px solid var(--border-glass);
    position: sticky;
    top: 0;
    z-index: 1040;
  }
  .mobile-header .brand-logo {
    font-size: 18px;
    color: var(--gold-light);
    display: flex;
    align-items: center;
    gap: 4px;
  }
  .mobile-header .brand-logo i {
    font-size: 20px;
  }
  .mobile-header .nav-toggle {
    background: none;
    border: 1px solid var(--border-glass);
    border-radius: var(--radius-btn);
    color: var(--text-primary);
    padding: 8px 12px;
    cursor: pointer;
    font-size: 20px;
    transition: all 0.3s;
  }
  .mobile-header .nav-toggle:hover {
    border-color: var(--gold);
  }
  .mobile-nav-panel {
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 100vh;
    background: rgba(8,12,20,0.97);
    backdrop-filter: blur(14px);
    -webkit-backdrop-filter: blur(14px);
    z-index: 1060;
    padding: 20px;
    display: none;
  }
  .mobile-nav-panel.open {
    display: block;
  }
  .mobile-nav-panel .nav-close {
    background: none;
    border: none;
    color: var(--text-secondary);
    font-size: 24px;
    position: absolute;
    top: 20px;
    right: 20px;
    cursor: pointer;
    width: 40px;
    height: 40px;
    border-radius: 8px;
    transition: all 0.3s;
  }
  .mobile-nav-panel .nav-close:hover {
    background: rgba(255,255,255,0.06);
    color: var(--gold-light);
  }
  .mobile-nav-panel .sidebar-brand {
    border-bottom: none;
    margin-bottom: 20px;
    text-align: center;
    padding-top: 20px;
  }
  .mobile-nav-panel .sidebar-nav {
    gap: 6px;
  }
  .mobile-nav-panel .sidebar-nav .nav-link {
    font-size: 17px;
    padding: 14px 16px;
  }
  .article-title {
    font-size: 30px;
  }
}
@media (max-width: 767px) {
  .container-custom {
    padding-left: 20px;
    padding-right: 20px;
  }
  .article-title {
    font-size: 26px;
  }
  .article-summary {
    font-size: 14px;
  }
  .related-grid {
    grid-template-columns: 1fr;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 24px;
  }
  .article-hero {
    padding: 36px 0 28px;
  }
  .article-body-wrap {
    padding: 32px 0;
  }
  .article-content h2 {
    font-size: 24px;
  }
  .article-content h3 {
    font-size: 20px;
  }
  .article-content {
    font-size: 15px;
  }
  .section-head h2 {
    font-size: 22px;
  }
}
@media (max-width: 520px) {
  .footer-grid {
    grid-template-columns: 1fr;
  }
  .article-meta {
    gap: 10px;
  }
  .article-meta .meta-item {
    font-size: 12px;
    padding: 3px 10px;
  }
  .return-links a {
    font-size: 13px;
    padding: 6px 12px;
  }
}

/* roulang page: category1 */
:root {
            --bg-primary: #080C14;
            --bg-secondary: #0D1320;
            --bg-card: rgba(255, 255, 255, 0.04);
            --inter-blue: #0068A8;
            --inter-blue-light: #1E90D0;
            --gold: #C9A227;
            --gold-light: #E6BE4E;
            --gold-glow: rgba(201, 162, 39, 0.35);
            --text-primary: #E8EDF4;
            --text-secondary: #9AA7B8;
            --text-muted: #5D6B7E;
            --border-glass: rgba(255, 255, 255, 0.08);
            --radius-card: 12px;
            --radius-block: 20px;
            --radius-btn: 8px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --sidebar-width: 240px;
            --font-main: system-ui, -apple-system, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.8;
            color: var(--text-primary);
            background: var(--bg-primary);
            background-image: repeating-linear-gradient(135deg, rgba(0, 104, 168, 0.035) 0px, rgba(0, 104, 168, 0.035) 60px, transparent 60px, transparent 120px);
            -webkit-font-smoothing: antialiased;
        }

        body::before {
            content: "";
            position: fixed;
            top: 0;
            right: 0;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(201, 162, 39, 0.08) 0%, transparent 70%);
            pointer-events: none;
            z-index: 0;
        }

        a {
            color: var(--inter-blue-light);
            text-decoration: none;
            transition: color 0.25s ease;
        }

        a:hover {
            color: var(--gold-light);
        }

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

        .container-custom {
            width: 100%;
            max-width: 1320px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-weight: 700;
            padding: 10px 26px;
            border-radius: var(--radius-btn);
            border: 1px solid transparent;
            transition: all 0.25s ease;
            cursor: pointer;
            font-size: 15px;
            line-height: 1.5;
        }

        .btn-gold {
            background: linear-gradient(135deg, #E6BE4E, #C9A227);
            color: #080C14;
            border-color: rgba(201, 162, 39, 0.6);
            box-shadow: 0 4px 18px rgba(0, 0, 0, 0.3);
        }

        .btn-gold:hover {
            background: linear-gradient(135deg, #F0CD63, #D8AC32);
            color: #080C14;
            box-shadow: 0 0 18px rgba(201, 162, 39, 0.4);
            transform: translateY(-2px);
        }

        .btn-outline {
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.3);
            color: var(--text-primary);
        }

        .btn-outline:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.12);
            transform: translateY(-2px);
        }

        .btn-outline-gold {
            background: transparent;
            border: 1px solid rgba(201, 162, 39, 0.5);
            color: var(--gold-light);
        }

        .btn-outline-gold:hover {
            background: rgba(201, 162, 39, 0.1);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.2);
            color: var(--gold-light);
            transform: translateY(-2px);
        }

        .btn:focus-visible {
            outline: 2px solid var(--gold-light);
            outline-offset: 2px;
        }

        /* ===== Sidebar ===== */
        .site-sidebar {
            position: fixed;
            top: 0;
            left: 0;
            bottom: 0;
            width: var(--sidebar-width);
            padding: 24px 16px;
            background: rgba(10, 15, 24, 0.92);
            backdrop-filter: blur(14px);
            border-right: 1px solid var(--border-glass);
            z-index: 1030;
            display: flex;
            flex-direction: column;
        }

        .sidebar-brand {
            display: flex;
            flex-direction: column;
            padding: 4px 12px 20px;
            border-bottom: 1px solid var(--border-glass);
            margin-bottom: 18px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 0.02em;
            color: var(--gold-light);
        }

        .brand-logo i {
            font-size: 26px;
        }

        .brand-name {
            font-size: 14px;
            font-weight: 600;
            color: var(--text-primary);
            letter-spacing: 0.06em;
            margin-top: 2px;
        }

        .sidebar-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .sidebar-nav .nav-link {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 12px 14px;
            color: var(--text-secondary);
            font-size: 15px;
            font-weight: 500;
            border-radius: var(--radius-card);
            border-left: 3px solid transparent;
            transition: all 0.25s ease;
            background: transparent;
            line-height: 1.4;
        }

        .sidebar-nav .nav-link i {
            font-size: 18px;
            width: 22px;
            text-align: center;
            color: var(--text-muted);
            transition: color 0.25s ease;
        }

        .sidebar-nav .nav-link:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            border-left-color: var(--gold);
        }

        .sidebar-nav .nav-link:hover i {
            color: var(--gold-light);
        }

        .sidebar-nav .nav-link.active {
            background: rgba(255, 255, 255, 0.06);
            color: #fff;
            border-left-color: var(--gold);
            font-weight: 700;
        }

        .sidebar-nav .nav-link.active i {
            color: var(--gold-light);
        }

        .sidebar-footer {
            padding: 16px 12px 0;
            border-top: 1px solid var(--border-glass);
            margin-top: 16px;
        }

        .sidebar-footer p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .navbar-toggler {
            display: none;
            border: 1px solid var(--border-glass);
            background: rgba(255, 255, 255, 0.04);
            padding: 6px 12px;
            border-radius: var(--radius-btn);
            color: var(--text-primary);
            font-size: 22px;
            line-height: 1;
            cursor: pointer;
            align-items: center;
            justify-content: center;
        }

        .navbar-toggler:hover {
            border-color: var(--gold);
            color: var(--gold-light);
        }

        .navbar-toggler:focus {
            outline: none;
            box-shadow: 0 0 0 3px rgba(201, 162, 39, 0.3);
        }

        /* ===== Main ===== */
        .site-main {
            margin-left: var(--sidebar-width);
            min-height: 100vh;
            position: relative;
            z-index: 1;
        }

        /* ===== Breadcrumb ===== */
        .breadcrumb-bar {
            padding: 28px 0 0;
        }

        .breadcrumb {
            background: transparent;
            padding: 0;
            margin: 0;
            display: flex;
            flex-wrap: wrap;
            list-style: none;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb li+li::before {
            content: "/";
            margin: 0 10px;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-secondary);
        }

        .breadcrumb a:hover {
            color: var(--gold-light);
        }

        .breadcrumb li.active {
            color: var(--gold-light);
            font-weight: 500;
        }

        /* ===== Category Hero ===== */
        .category-hero {
            position: relative;
            padding: 48px 0 56px;
        }

        .category-hero .hero-inner {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
            margin-top: 24px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(201, 162, 39, 0.12);
            color: var(--gold-light);
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 20px;
            letter-spacing: 0.03em;
            border: 1px solid rgba(201, 162, 39, 0.2);
            margin-bottom: 16px;
        }

        .category-hero h1 {
            font-size: 40px;
            font-weight: 900;
            letter-spacing: 0.02em;
            line-height: 1.15;
            margin-bottom: 14px;
            color: #fff;
        }

        .category-hero h1 span {
            color: var(--gold-light);
        }

        .category-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 540px;
        }

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

        .hero-media {
            position: relative;
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            min-height: 280px;
            background: var(--bg-secondary);
        }

        .hero-media::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 60%;
            height: 60%;
            border-top: 2px solid rgba(230, 190, 78, 0.6);
            border-right: 2px solid rgba(230, 190, 78, 0.6);
            border-top-right-radius: var(--radius-block);
            pointer-events: none;
            z-index: 2;
        }

        .hero-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        /* ===== Section Common ===== */
        .section-block {
            padding: 56px 0;
        }

        .section-head {
            margin-bottom: 36px;
        }

        .section-head .section-label {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--gold-light);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 6px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 8px;
        }

        .section-head p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
        }

        /* ===== Content Split ===== */
        .split-section {
            padding: 64px 0;
        }

        .split-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            margin-bottom: 64px;
        }

        .split-row:last-child {
            margin-bottom: 0;
        }

        .split-row.reverse .split-text {
            order: 1;
        }

        .split-row.reverse .split-image {
            order: 2;
        }

        .split-image {
            border-radius: var(--radius-block);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
            min-height: 240px;
        }

        .split-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .split-image:hover img {
            transform: scale(1.03);
        }

        .split-text {
            padding: 8px 8px 8px 0;
        }

        .split-text .split-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(0, 104, 168, 0.15);
            color: var(--inter-blue-light);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 20px;
            margin-bottom: 14px;
            border: 1px solid rgba(30, 144, 208, 0.25);
        }

        .split-text h2 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: 0.02em;
            color: #fff;
            margin-bottom: 14px;
        }

        .split-text p {
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0 0 20px;
        }

        .feature-list li {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-primary);
            border-bottom: 1px dashed rgba(255, 255, 255, 0.06);
        }

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

        .feature-list li i {
            color: var(--gold-light);
            font-size: 16px;
        }

        /* ===== Products ===== */
        .products-section {
            padding: 64px 0;
            background: rgba(13, 19, 32, 0.4);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .products-grid .col {
            margin-bottom: 24px;
        }

        .product-card {
            position: relative;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            height: 100%;
            transition: all 0.3s ease;
            display: flex;
            flex-direction: column;
        }

        .product-card::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 2px;
            background: linear-gradient(to right, transparent, rgba(230, 190, 78, 0.6));
            border-radius: 0 12px 0 0;
            z-index: 2;
            transition: opacity 0.3s ease;
        }

        .product-card:hover {
            background: rgba(255, 255, 255, 0.07);
            border-color: rgba(230, 190, 78, 0.35);
            box-shadow: 0 0 24px rgba(201, 162, 39, 0.12);
            transform: translateY(-4px);
        }

        .product-card:hover::before {
            background: linear-gradient(to right, transparent, rgba(230, 190, 78, 0.95), #f5d76e);
        }

        .product-media {
            position: relative;
            aspect-ratio: 4 / 3;
            overflow: hidden;
            background: var(--bg-secondary);
        }

        .product-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .product-card:hover .product-media img {
            transform: scale(1.05);
        }

        .product-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: rgba(8, 12, 20, 0.82);
            border: 1px solid rgba(201, 162, 39, 0.35);
            color: var(--gold-light);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 6px;
            backdrop-filter: blur(6px);
        }

        .product-tag.tag-blue {
            border-color: rgba(30, 144, 208, 0.4);
            color: var(--inter-blue-light);
        }

        .product-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .product-body h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
            line-height: 1.4;
        }

        .product-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 16px;
            flex: 1;
        }

        .product-body .btn {
            align-self: flex-start;
            padding: 7px 18px;
            font-size: 14px;
        }

        /* ===== Process ===== */
        .process-section {
            padding: 64px 0;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .process-step {
            position: relative;
            padding: 28px 24px;
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card);
            transition: all 0.3s ease;
        }

        .process-step::before {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 40%;
            height: 1px;
            background: linear-gradient(to left, rgba(230, 190, 78, 0.5), transparent);
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.06);
            box-shadow: 0 0 20px rgba(201, 162, 39, 0.08);
            transform: translateY(-3px);
        }

        .process-step .step-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: rgba(201, 162, 39, 0.12);
            border: 1px solid rgba(201, 162, 39, 0.25);
            color: var(--gold-light);
            font-size: 20px;
            margin-bottom: 14px;
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .process-step .step-num {
            position: absolute;
            top: 18px;
            right: 18px;
            font-size: 28px;
            font-weight: 900;
            color: rgba(255, 255, 255, 0.06);
            line-height: 1;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 64px 0;
            background: rgba(13, 19, 32, 0.4);
            border-top: 1px solid var(--border-glass);
            border-bottom: 1px solid var(--border-glass);
        }

        .faq-accordion {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-accordion .accordion-item {
            background: var(--bg-card);
            border: 1px solid var(--border-glass);
            border-radius: var(--radius-card) !important;
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: all 0.3s ease;
        }

        .faq-accordion .accordion-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: rgba(201, 162, 39, 0.2);
        }

        .faq-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 17px;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            line-height: 1.5;
            position: relative;
        }

        .faq-accordion .accordion-button::after {
            color: var(--gold-light);
            font-size: 16px;
            margin-left: auto;
            transition: transform 0.3s ease;
        }

        .faq-accordion .accordion-button:not(.collapsed) {
            color: var(--gold-light);
            background: rgba(201, 162, 39, 0.06);
            box-shadow: none;
        }

        .faq-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }

        .faq-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: rgba(201, 162, 39, 0.3);
        }

        .faq-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 15px;
            line-height: 1.75;
        }

        /* ===== CTA ===== */
        .cta-bar {
            padding: 56px 0;
            background: linear-gradient(120deg, rgba(201, 162, 39, 0.15), rgba(230, 190, 78, 0.05));
            border-top: 1px solid rgba(201, 162, 39, 0.25);
            border-bottom: 1px solid rgba(201, 162, 39, 0.15);
        }

        .cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
        }

        .cta-inner h2 {
            font-size: 26px;
            font-weight: 900;
            color: #fff;
            margin-bottom: 8px;
            letter-spacing: 0.02em;
        }

        .cta-inner p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 0;
        }

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

        /* ===== Back Links ===== */
        .back-link-section {
            padding: 40px 0;
        }

        .back-link-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        .back-link-bar a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-secondary);
            border: 1px solid var(--border-glass);
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: var(--bg-card);
            transition: all 0.25s ease;
        }

        .back-link-bar a:hover {
            border-color: var(--gold);
            color: var(--gold-light);
            box-shadow: 0 0 14px rgba(201, 162, 39, 0.1);
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-secondary);
            border-top: 1px solid var(--border-glass);
            padding: 56px 0 0;
            position: relative;
            z-index: 1;
        }

        .site-footer .container-custom {
            max-width: 1320px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.4fr;
            gap: 40px;
            padding-bottom: 40px;
            border-bottom: 1px solid var(--border-glass);
        }

        .footer-brand .brand-logo {
            font-size: 20px;
            margin-bottom: 10px;
        }

        .footer-brand p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

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

        .footer-col ul li a {
            color: var(--text-secondary);
            font-size: 14px;
            transition: all 0.25s ease;
        }

        .footer-col ul li a:hover {
            color: var(--gold-light);
            padding-left: 4px;
        }

        .footer-contact {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 2;
        }

        .footer-contact a {
            color: var(--text-primary);
            font-weight: 600;
        }

        .footer-contact a:hover {
            color: var(--gold-light);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 0;
            font-size: 13px;
            color: var(--text-muted);
            flex-wrap: wrap;
        }

        /* ===== Responsive ===== */
        @media (min-width: 992px) {
            .site-sidebar .navbar-collapse.collapse {
                display: flex;
                flex-direction: column;
                flex: 1;
            }

            .site-main {
                margin-left: var(--sidebar-width);
            }
        }

        @media (max-width: 991.98px) {
            .site-sidebar {
                position: sticky;
                top: 0;
                width: 100%;
                height: auto;
                padding: 12px 16px;
                flex-direction: row;
                flex-wrap: wrap;
                align-items: center;
                border-right: none;
                border-bottom: 1px solid var(--border-glass);
                background: rgba(10, 15, 24, 0.95);
                gap: 0;
            }

            .site-sidebar .sidebar-brand {
                border-bottom: none;
                margin-bottom: 0;
                padding: 0 0 0 8px;
                flex-direction: row;
                align-items: baseline;
                gap: 8px;
            }

            .site-sidebar .sidebar-brand .brand-name {
                margin-top: 0;
            }

            .navbar-toggler {
                display: inline-flex;
                margin-left: auto;
            }

            .site-sidebar .navbar-collapse {
                flex-basis: 100%;
                margin-top: 12px;
                border-top: 1px solid var(--border-glass);
                padding-top: 10px;
            }

            .site-sidebar .sidebar-footer {
                margin-top: 10px;
                border-top: none;
                padding: 6px 12px 2px;
            }

            .site-main {
                margin-left: 0;
            }

            .category-hero h1 {
                font-size: 32px;
            }

            .category-hero .hero-inner {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .hero-media {
                min-height: 220px;
            }

            .hero-media::after {
                display: none;
            }

            .split-row {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .split-row.reverse .split-text {
                order: 2;
            }

            .split-row.reverse .split-image {
                order: 1;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .container-custom {
                padding-left: 16px;
                padding-right: 16px;
            }

            .breadcrumb-bar {
                padding-top: 20px;
            }

            .category-hero {
                padding: 28px 0 40px;
            }

            .category-hero .hero-inner {
                margin-top: 16px;
            }

            .category-hero h1 {
                font-size: 28px;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .section-block,
            .split-section,
            .products-section,
            .process-section,
            .faq-section,
            .cta-bar {
                padding: 44px 0;
            }

            .section-head h2 {
                font-size: 24px;
            }

            .split-text h2 {
                font-size: 22px;
            }

            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
                padding-bottom: 28px;
            }

            .footer-bottom {
                flex-direction: column;
                justify-content: center;
                text-align: center;
            }

            .cta-inner {
                flex-direction: column;
                text-align: center;
            }

            .cta-inner .cta-actions {
                justify-content: center;
                width: 100%;
            }

            .cta-inner .btn {
                width: 100%;
            }

            .back-link-bar {
                flex-direction: column;
                width: 100%;
            }

            .back-link-bar a {
                width: 100%;
                justify-content: center;
            }
        }

        @media (min-width: 992px) and (max-width: 1199.98px) {
            .footer-grid {
                grid-template-columns: 1.5fr 1fr 1fr 1.4fr;
                gap: 24px;
            }

            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (min-width: 768px) and (max-width: 991.98px) {
            .navbar-toggler {
                display: inline-flex;
            }
        }

/* roulang page: category2 */
:root{
  --bg-primary:#080C14;
  --bg-secondary:#0D1320;
  --bg-card:rgba(255,255,255,0.04);
  --inter-blue:#0068A8;
  --inter-blue-light:#1E90D0;
  --gold:#C9A227;
  --gold-light:#E6BE4E;
  --gold-glow:rgba(201,162,39,0.35);
  --text-primary:#E8EDF4;
  --text-secondary:#9AA7B8;
  --text-muted:#5D6B7E;
  --border-glass:rgba(255,255,255,0.08);
  --radius:12px;
  --radius-lg:20px;
  --radius-btn:8px;
  --shadow-card:0 4px 24px rgba(0,0,0,0.3);
}
*{box-sizing:border-box;margin:0;padding:0;}
html{scroll-behavior:smooth;}
body{
  background:var(--bg-primary);
  color:var(--text-primary);
  font-family:system-ui,-apple-system,"Segoe UI","PingFang SC","Microsoft YaHei",sans-serif;
  font-size:15px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;inset:0;
  background:repeating-linear-gradient(90deg,rgba(255,255,255,0.03) 0 2px,transparent 2px 80px);
  pointer-events:none;z-index:0;
}
a{color:inherit;text-decoration:none;transition:color .25s ease,border-color .25s ease,opacity .25s ease;}
img{max-width:100%;display:block;}
ul{list-style:none;padding:0;margin:0;}
button{font-family:inherit;}

.container-custom{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 40px;
}
.container-custom-sm{
  width:100%;
  max-width:860px;
  margin:0 auto;
  padding:0 24px;
}

/* ===== Sidebar Nav ===== */
.site-sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:240px;
  background:rgba(13,19,32,0.92);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-right:1px solid var(--border-glass);
  z-index:1050;
  padding:32px 20px 24px;
  display:flex;flex-direction:column;
}
.sidebar-brand{
  display:block;
  padding:6px 8px;
  border-left:3px solid var(--gold);
  background:rgba(255,255,255,0.02);
  border-radius:0 var(--radius) var(--radius) 0;
}
.brand-logo{
  font-size:19px;
  font-weight:900;
  color:var(--gold-light);
  letter-spacing:.02em;
  display:flex;align-items:center;gap:8px;
}
.brand-logo i{font-size:22px;color:var(--gold);}
.brand-name{
  display:block;
  font-size:13px;
  font-weight:600;
  color:var(--text-secondary);
  margin-top:2px;
  letter-spacing:.05em;
}
.sidebar-nav{
  margin-top:36px;
  display:flex;flex-direction:column;gap:4px;
}
.sidebar-nav .nav-link{
  display:flex;align-items:center;gap:12px;
  color:var(--text-secondary);
  padding:10px 14px;
  border-radius:var(--radius);
  border-left:3px solid transparent;
  font-size:14px;
  font-weight:500;
  transition:background .25s,color .25s,border-color .25s;
}
.sidebar-nav .nav-link i{font-size:16px;color:var(--text-muted);transition:color .25s;}
.sidebar-nav .nav-link:hover{
  color:var(--text-primary);
  background:rgba(255,255,255,0.06);
  border-left-color:var(--gold);
}
.sidebar-nav .nav-link:hover i{color:var(--gold-light);}
.sidebar-nav .nav-link.active{
  color:#fff;
  background:rgba(255,255,255,0.04);
  border-left-color:var(--gold);
}
.sidebar-nav .nav-link.active i{color:var(--gold-light);}
.sidebar-footer{
  margin-top:auto;
  padding:16px 8px 4px;
  border-top:1px solid var(--border-glass);
  font-size:12px;
  color:var(--text-muted);
  line-height:1.7;
}
.sidebar-footer p{display:flex;align-items:flex-start;gap:6px;margin-bottom:6px;}
.sidebar-toggle{display:none;}

/* ===== Buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  padding:11px 28px;
  font-size:14px;font-weight:700;
  border:1px solid transparent;
  transition:all .3s ease;
  white-space:nowrap;
}
.btn-gold{
  background:linear-gradient(135deg,#E6BE4E,#C9A227);
  color:#0D1320;
  box-shadow:0 4px 16px rgba(201,162,39,0.22);
}
.btn-gold:hover{
  color:#0D1320;
  transform:translateY(-2px);
  box-shadow:0 0 18px rgba(201,162,39,0.4);
}
.btn-ghost{
  background:transparent;
  border-color:rgba(255,255,255,0.3);
  color:var(--text-primary);
}
.btn-ghost:hover{
  border-color:var(--gold);
  color:var(--gold-light);
  transform:translateY(-2px);
}
.btn:focus-visible{outline:2px solid var(--gold-light);outline-offset:2px;}

/* ===== Main ===== */
.site-main{
  margin-left:240px;
  position:relative;
  z-index:1;
  min-height:100vh;
  background:linear-gradient(180deg,#0A0F1A 0%,var(--bg-primary) 100%);
}

/* ===== Breadcrumb ===== */
.breadcrumb-nav{
  display:flex;align-items:center;gap:8px;
  font-size:13px;
  color:var(--text-muted);
  margin-bottom:28px;
  padding-top:8px;
}
.breadcrumb-nav a{color:var(--text-secondary);}
.breadcrumb-nav a:hover{color:var(--gold-light);}
.breadcrumb-nav .sep{color:var(--text-muted);opacity:.7;}
.breadcrumb-nav .current{color:var(--gold-light);}

/* ===== Category Hero ===== */
.category-hero{
  padding:64px 0 56px;
  position:relative;
  border-bottom:1px solid var(--border-glass);
  background:
    linear-gradient(135deg,rgba(0,104,168,0.18) 0%,transparent 48%),
    radial-gradient(circle at 80% 22%,rgba(201,162,39,0.10),transparent 38%),
    repeating-linear-gradient(90deg,rgba(255,255,255,0.025) 0 3px,transparent 3px 70px),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.category-hero::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,var(--bg-primary) 20%,rgba(8,12,20,0.72) 60%,rgba(8,12,20,0.5));
  pointer-events:none;
}
.category-hero .container-custom{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--gold-light);
  background:rgba(201,162,39,0.12);
  border:1px solid rgba(201,162,39,0.3);
  border-radius:50px;
  padding:4px 14px;
  margin-bottom:20px;
}
.category-hero h1{
  font-size:40px;font-weight:900;
  letter-spacing:.02em;line-height:1.2;
  margin-bottom:14px;
  color:#fff;
}
.category-hero .hero-lead{
  font-size:16px;
  color:var(--text-secondary);
  max-width:560px;
  line-height:1.8;
  margin-bottom:28px;
}
.hero-actions{display:flex;gap:16px;flex-wrap:wrap;}

/* ===== Sections ===== */
.section-block{padding:72px 0;position:relative;}
.section-block + .section-block{border-top:1px solid rgba(255,255,255,0.03);}
.section-head{margin-bottom:40px;}
.section-head.center{text-align:center;}
.section-head .eyebrow,.feature-content .eyebrow{
  display:inline-block;
  font-size:12px;font-weight:700;
  letter-spacing:.14em;
  text-transform:uppercase;
  color:var(--gold-light);
  margin-bottom:10px;
}
.section-head h2{
  font-size:28px;font-weight:800;
  line-height:1.25;
  letter-spacing:.02em;
  margin-bottom:12px;
  color:#fff;
}
.section-head p{
  color:var(--text-secondary);
  max-width:640px;
  font-size:15px;
  line-height:1.8;
}
.section-head.center p{margin-left:auto;margin-right:auto;}

/* ===== Feature Split ===== */
.feature-split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  margin-bottom:56px;
}
.feature-split:last-child{margin-bottom:0;}
.feature-split.reverse .feature-media{order:2;}
.feature-split.reverse .feature-content{order:1;}
.feature-media{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--border-glass);
  box-shadow:var(--shadow-card);
}
.feature-media::before{
  content:"";
  position:absolute;top:0;right:0;
  width:90px;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);
  border-radius:0 0 0 4px;
  z-index:2;
}
.feature-media img{
  width:100%;height:320px;object-fit:cover;
  transition:transform .6s ease;
}
.feature-media:hover img{transform:scale(1.03);}
.feature-content h2{
  font-size:26px;font-weight:800;
  line-height:1.3;
  margin-bottom:14px;
  color:#fff;
  letter-spacing:.02em;
}
.feature-content p{
  color:var(--text-secondary);
  margin-bottom:16px;
  font-size:15px;
}
.feature-list{
  display:flex;flex-direction:column;gap:10px;
  margin-top:20px;
}
.feature-list li{
  display:flex;align-items:flex-start;gap:10px;
  color:var(--text-primary);
  font-size:14px;
}
.feature-list li i{
  color:var(--gold-light);
  font-size:16px;
  line-height:1.6;
}

/* ===== Shop Grid ===== */
.shop-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.shop-card{
  position:relative;
  background:var(--bg-card);
  border:1px solid var(--border-glass);
  border-radius:var(--radius);
  padding:0;
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,background .3s ease,box-shadow .3s ease;
}
.shop-card::before{
  content:"";
  position:absolute;top:-1px;right:-1px;
  width:76px;height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:.6;
  transition:opacity .3s;
  z-index:3;
}
.shop-card:hover{
  background:rgba(255,255,255,0.07);
  transform:translateY(-2px);
  box-shadow:0 0 24px rgba(201,162,39,0.12);
}
.shop-card:hover::before{opacity:1;}
.shop-media{
  position:relative;
  aspect-ratio:4/3;
  overflow:hidden;
  background:var(--bg-secondary);
}
.shop-media img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .5s ease;
}
.shop-card:hover .shop-media img{transform:scale(1.04);}
.shop-tag{
  position:absolute;top:12px;left:12px;
  background:linear-gradient(135deg,#E6BE4E,#C9A227);
  color:#0D1320;
  font-size:12px;font-weight:700;
  padding:3px 10px;
  border-radius:20px;
  letter-spacing:.04em;
  box-shadow:0 2px 10px rgba(201,162,39,0.3);
}
.shop-body{padding:20px;display:flex;flex-direction:column;gap:6px;}
.shop-body h3{
  font-size:18px;font-weight:700;
  color:#fff;
  letter-spacing:.02em;
}
.shop-body p{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.6;
}
.shop-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;
  color:var(--gold-light);
  margin-top:6px;
  transition:gap .3s,color .3s;
}
.shop-link i{transition:transform .3s;}
.shop-link:hover{color:var(--gold);}
.shop-link:hover i{transform:translateX(4px);}

/* ===== Scene Cards ===== */
.scene-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.scene-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  min-height:300px;
  border:1px solid var(--border-glass);
  box-shadow:var(--shadow-card);
  transition:transform .3s ease,box-shadow .3s ease,border-color .3s ease;
}
.scene-card::before{
  content:"";
  position:absolute;top:0;right:0;
  width:110px;height:3px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:.7;z-index:3;
  transition:opacity .3s;
}
.scene-card:hover{
  transform:translateY(-3px);
  box-shadow:0 0 28px rgba(201,162,39,0.14);
  border-color:rgba(201,162,39,0.35);
}
.scene-card img{
  width:100%;height:100%;
  object-fit:cover;
  position:absolute;inset:0;
}
.scene-overlay{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,12,20,0.15) 0%,rgba(8,12,20,0.88) 82%);
}
.scene-content{
  position:relative;z-index:2;
  padding:24px;
  display:flex;flex-direction:column;
  justify-content:flex-end;
  height:100%;
  min-height:300px;
}
.scene-content h3{
  font-size:22px;font-weight:800;
  color:#fff;
  margin-bottom:6px;
}
.scene-content p{
  color:var(--text-secondary);
  font-size:14px;
  margin-bottom:14px;
  max-width:380px;
}
.scene-content a{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--gold-light);
  font-size:14px;font-weight:600;
}
.scene-content a:hover{color:var(--gold);}
.scene-content a i{transition:transform .3s;}
.scene-content a:hover i{transform:translateX(4px);}

/* ===== Perks ===== */
.perks-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.perk-item{
  background:var(--bg-card);
  border:1px solid var(--border-glass);
  border-radius:var(--radius);
  padding:24px;
  position:relative;
  transition:background .3s,border-color .3s,transform .3s;
}
.perk-item::before{
  content:"";
  position:absolute;top:-1px;right:-1px;
  width:76px;height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:.5;
  transition:opacity .3s;
}
.perk-item:hover{
  background:rgba(255,255,255,0.07);
  transform:translateY(-2px);
  border-color:rgba(201,162,39,0.3);
}
.perk-item:hover::before{opacity:1;}
.perk-icon{
  font-size:25px;
  color:var(--gold);
  margin-bottom:14px;
  display:inline-block;
  transition:filter .3s,transform .3s;
}
.perk-item:hover .perk-icon{
  filter:drop-shadow(0 0 10px var(--gold-glow));
  transform:translateY(-2px);
}
.perk-item h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px;}
.perk-item p{color:var(--text-secondary);font-size:14px;line-height:1.7;}

/* ===== FAQ ===== */
.accordion{
  max-width:860px;
  margin:0 auto;
  display:flex;flex-direction:column;gap:14px;
}
.accordion-item{
  background:var(--bg-card) !important;
  border:1px solid var(--border-glass) !important;
  border-radius:var(--radius) !important;
  overflow:hidden;
  position:relative;
  transition:border-color .3s,background .3s;
}
.accordion-item::before{
  content:"";
  position:absolute;top:0;right:0;
  width:76px;height:2px;
  background:linear-gradient(90deg,var(--gold),transparent);
  opacity:.5;
  transition:opacity .3s;
}
.accordion-item:hover{
  border-color:rgba(201,162,39,0.28) !important;
  background:rgba(255,255,255,0.06) !important;
}
.accordion-item:hover::before{opacity:1;}
.accordion-button{
  background:transparent !important;
  color:#fff !important;
  font-size:15px;
  font-weight:600;
  padding:18px 20px;
  box-shadow:none !important;
  line-height:1.5;
}
.accordion-button:not(.collapsed){
  background:rgba(255,255,255,0.03) !important;
}
.accordion-button::after{
  background-image:url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23E6BE4E'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
  transition:transform .3s;
}
.accordion-button:focus{box-shadow:none !important;}
.accordion-body{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.8;
  padding:0 20px 20px;
  border-top:1px solid rgba(255,255,255,0.04);
  padding-top:16px;
}

/* ===== CTA Band ===== */
.cta-band{
  background:linear-gradient(120deg,rgba(201,162,39,0.15),rgba(230,190,78,0.05));
  border-top:1px solid rgba(201,162,39,0.3);
  border-bottom:1px solid rgba(201,162,39,0.3);
  padding:56px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{
  font-size:26px;font-weight:800;
  color:#fff;
  margin-bottom:6px;
  letter-spacing:.02em;
}
.cta-inner p{
  color:var(--text-secondary);
  font-size:15px;
}

/* ===== Return Bar ===== */
.return-bar{
  padding:28px 0;
  border-bottom:1px solid var(--border-glass);
  background:rgba(13,19,32,0.5);
}
.return-bar .container-custom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  flex-wrap:wrap;
}
.return-bar a{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--text-secondary);
  font-size:14px;font-weight:600;
}
.return-bar a:hover{color:var(--gold-light);}
.return-bar a i{transition:transform .3s;}
.return-bar a:hover i{transform:translateX(-4px);}
.return-bar a:last-child:hover i{transform:translateX(4px);}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-secondary);
  border-top:1px solid var(--border-glass);
  padding:64px 0 32px;
  position:relative;z-index:1;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  margin-bottom:48px;
}
.footer-brand .brand-logo{
  font-size:18px;
  color:var(--gold-light);
  margin-bottom:14px;
}
.footer-brand p{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.8;
  max-width:320px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:700;
  margin-bottom:14px;
  letter-spacing:.03em;
}
.footer-col ul{
  display:flex;flex-direction:column;gap:8px;
}
.footer-col ul li a{
  color:var(--text-secondary);
  font-size:14px;
}
.footer-col ul li a:hover{color:var(--gold-light);}
.footer-contact{
  color:var(--text-secondary);
  font-size:14px;
  line-height:1.9;
}
.footer-contact a{color:var(--gold-light);}
.footer-contact a:hover{color:var(--gold);}
.footer-bottom{
  border-top:1px solid var(--border-glass);
  padding-top:20px;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:12px;
  flex-wrap:wrap;
  color:var(--text-muted);
  font-size:13px;
}

/* ===== Responsive ===== */
@media (max-width:991px){
  .site-sidebar{
    width:100%;
    height:auto;
    flex-direction:row;
    flex-wrap:wrap;
    align-items:center;
    padding:12px 20px;
    border-right:none;
    border-bottom:1px solid var(--border-glass);
    backdrop-filter:blur(14px);
    -webkit-backdrop-filter:blur(14px);
  }
  .sidebar-brand{
    border-left:none;
    background:transparent;
    padding:0;
  }
  .brand-logo{font-size:17px;}
  .brand-name{font-size:11px;}
  .sidebar-toggle{
    display:inline-flex;
    align-items:center;justify-content:center;
    width:40px;height:40px;
    background:rgba(255,255,255,0.06);
    border:1px solid var(--border-glass);
    border-radius:var(--radius-btn);
    color:var(--text-primary);
    font-size:18px;
    cursor:pointer;
    margin-left:auto;
    transition:border-color .3s,color .3s;
  }
  .sidebar-toggle:hover{border-color:var(--gold);color:var(--gold-light);}
  .sidebar-nav{
    display:none;
    order:3;
    width:100%;
    margin-top:16px;
    padding-top:14px;
    border-top:1px solid var(--border-glass);
    flex-direction:column;
  }
  .sidebar-footer{
    display:none;
    order:4;
    width:100%;
    margin-top:0;
    border-top:none;
    padding:14px 4px 0;
  }
  .site-sidebar.open .sidebar-nav,
  .site-sidebar.open .sidebar-footer{display:flex;}
  .site-main{
    margin-left:0;
    padding-top:72px;
  }
  .container-custom{padding:0 28px;}
  .category-hero{padding:48px 0 44px;}
  .section-block{padding:56px 0;}
}

@media (max-width:768px){
  .container-custom{padding:0 20px;}
  .category-hero h1{font-size:30px;}
  .section-block{padding:48px 0;}
  .section-head h2{font-size:24px;}
  .feature-split{
    grid-template-columns:1fr;
    gap:32px;
  }
  .feature-split.reverse .feature-media{order:1;}
  .feature-split.reverse .feature-content{order:2;}
  .feature-media img{height:240px;}
  .shop-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .scene-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .perks-grid{
    grid-template-columns:1fr;
    gap:20px;
  }
  .cta-inner{
    flex-direction:column;
    text-align:center;
  }
  .cta-inner .btn{width:100%;}
  .return-bar .container-custom{
    flex-direction:column;
    align-items:flex-start;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}

@media (max-width:520px){
  .brand-name{display:none;}
  .category-hero h1{font-size:27px;}
  .hero-actions{flex-direction:column;width:100%;}
  .hero-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}