/* roulang page: index */
/* ===== 设计变量 ===== */
:root {
  --bg-primary: #0B0A09;
  --bg-secondary: #141310;
  --bg-elevated: #1A1815;
  --bg-hover: #211F1A;
  --border-subtle: #26241F;
  --border-strong: #3A362E;
  --accent-gold: #C9A96E;
  --accent-gold-light: #E5C88E;
  --accent-gold-dark: #A8874B;
  --text-primary: #F3EEE6;
  --text-secondary: #A29A8E;
  --text-muted: #6E675D;
  --radius-btn: 8px;
  --radius-card: 10px;
  --radius-img: 12px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
  --transition: 150ms ease;
  --transition-smooth: 450ms cubic-bezier(0.22, 0.61, 0.36, 1);
  --font-no: 'DIN Alternate', 'Oswald', 'Barlow Condensed', 'Arial Narrow', sans-serif;
  --font-body: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
}

/* ===== 基础 Reset ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text-primary);
  background-color: var(--bg-primary);
  background-image: linear-gradient(rgba(255,255,255,0.015) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.015) 1px, transparent 1px);
  background-size: 60px 60px;
  min-height: 100vh;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { color: var(--accent-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-gold-light); }
a:focus-visible, button:focus-visible, input:focus-visible { outline: 2px solid var(--accent-gold); outline-offset: 2px; }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; color: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; width: 100%; }
.row { max-width: 1200px; }
.section-pad { padding: 112px 0; }
@media (max-width: 768px) { .section-pad { padding: 72px 0; } }

/* ===== 顶部信息条 ===== */
.topbar {
  height: 40px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  position: relative;
  z-index: 100;
}
.topbar a { color: var(--text-secondary); font-size: 13px; }
.topbar a:hover { color: var(--accent-gold); }
.topbar-left { display: flex; align-items: center; gap: 8px; }
.topbar-right { display: flex; align-items: center; gap: 6px; }
.topbar-right i { font-size: 12px; color: var(--accent-gold); }

/* ===== 主导航 ===== */
.main-header {
  position: sticky;
  top: 0;
  z-index: 99;
  background: rgba(11, 10, 9, 0.96);
  backdrop-filter: blur(8px);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  display: flex;
  align-items: center;
}
.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 100%;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.logo-icon {
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-gold) 0%, var(--accent-gold-dark) 100%);
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  color: #0B0A09;
  font-weight: 900;
  font-size: 18px;
  font-family: var(--font-no);
}
.logo-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-primary);
  letter-spacing: 0.02em;
  white-space: nowrap;
}
.logo-text span { color: var(--accent-gold); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 100%;
}
.nav-links li { height: 100%; display: flex; align-items: center; }
.nav-links a {
  display: flex;
  align-items: center;
  height: 100%;
  padding: 0 20px;
  font-size: 15px;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 50%;
  transform: translateX(-50%);
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width 300ms ease;
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { width: 100%; }
.nav-links a.active { color: var(--accent-gold); font-weight: 600; }
.nav-links a.active::after { width: 100%; }
.nav-cta a {
  background: var(--accent-gold);
  color: #0B0A09;
  font-weight: 700;
  font-size: 14px;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  height: auto;
  transition: background var(--transition), transform var(--transition);
  box-shadow: 0 2px 12px rgba(201,169,110,0.25);
}
.nav-cta a::after { display: none; }
.nav-cta a:hover { background: var(--accent-gold-light); color: #0B0A09; transform: translateY(-1px); }
.nav-cta a:active { transform: scale(0.98); }

/* 汉堡按钮 */
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 44px;
  height: 44px;
  padding: 0 10px;
  cursor: pointer;
  z-index: 200;
}
.hamburger span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform 300ms ease, opacity 300ms ease;
}
.hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
.hamburger.active span:nth-child(2) { opacity: 0; }
.hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }

/* 移动端抽屉 */
.mobile-drawer {
  display: none;
  position: fixed;
  top: 112px;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  box-shadow: 0 20px 50px rgba(0,0,0,0.6);
  z-index: 98;
  transform: translateY(-120%);
  transition: transform 450ms cubic-bezier(0.22, 0.61, 0.36, 1);
}
.mobile-drawer.open { transform: translateY(0); }
.mobile-drawer ul { padding: 12px 24px 24px; }
.mobile-drawer li { border-bottom: 1px solid var(--border-subtle); }
.mobile-drawer li:last-child { border-bottom: none; }
.mobile-drawer a {
  display: block;
  padding: 16px 0;
  font-size: 16px;
  color: var(--text-secondary);
  font-weight: 500;
}
.mobile-drawer a:hover, .mobile-drawer a.active { color: var(--accent-gold); }
.mobile-drawer .drawer-cta {
  margin-top: 12px;
  background: var(--accent-gold);
  color: #0B0A09;
  text-align: center;
  font-weight: 700;
  border-radius: var(--radius-btn);
  padding: 14px 0;
}
.mobile-drawer .drawer-cta:hover { background: var(--accent-gold-light); color: #0B0A09; }

/* ===== Hero 首屏 ===== */
.hero {
  position: relative;
  min-height: 90vh;
  display: flex;
  align-items: center;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
  padding: 80px 0;
}
.hero::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(90deg, rgba(11,10,9,0.92) 0%, rgba(11,10,9,0.55) 65%, rgba(11,10,9,0.25) 100%);
  z-index: 1;
}
.hero .container { position: relative; z-index: 2; }
.hero-inner {
  max-width: 60%;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(201,169,110,0.12);
  border: 1px solid rgba(201,169,110,0.35);
  border-radius: 999px;
  padding: 6px 18px;
  font-size: 13px;
  color: var(--accent-gold);
  letter-spacing: 0.08em;
  margin-bottom: 28px;
}
.hero-badge i { font-size: 11px; }
.hero h1 {
  font-size: 64px;
  font-weight: 900;
  line-height: 1.15;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.01em;
}
.hero h1 em {
  font-style: normal;
  color: var(--accent-gold);
}
.hero-sub {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.6;
  max-width: 520px;
  margin-bottom: 40px;
}
.hero-cta { display: flex; gap: 16px; flex-wrap: wrap; margin-bottom: 28px; }
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 16px 36px;
  border-radius: var(--radius-btn);
  font-size: 15px;
  font-weight: 600;
  letter-spacing: 0.04em;
  transition: all var(--transition);
  border: 1px solid transparent;
}
.btn-primary {
  background: var(--accent-gold);
  color: #0B0A09;
  box-shadow: 0 4px 20px rgba(201,169,110,0.3);
}
.btn-primary:hover { background: var(--accent-gold-light); color: #0B0A09; transform: translateY(-1px); box-shadow: 0 8px 30px rgba(201,169,110,0.4); }
.btn-primary:active { transform: scale(0.98); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--accent-gold);
  color: var(--accent-gold);
}
.btn-outline:hover { background: rgba(201,169,110,0.1); color: var(--accent-gold-light); transform: translateY(-1px); }
.btn-outline:active { transform: scale(0.98); }
.hero-trust {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.02em;
}
.hero-trust span { margin: 0 6px; color: var(--accent-gold); }

/* ===== 卖点三连 ===== */
.features {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}
.feature-row {
  display: grid;
  grid-template-columns: 1fr;
  border-bottom: 1px solid var(--border-subtle);
  transition: background var(--transition);
  position: relative;
}
.feature-row:last-child { border-bottom: none; }
.feature-row::before {
  content: '';
  position: absolute;
  left: 0; top: 0; bottom: 0;
  width: 3px;
  background: var(--accent-gold);
  opacity: 0;
  transition: opacity var(--transition);
}
.feature-row:hover { background: rgba(201,169,110,0.04); }
.feature-row:hover::before { opacity: 1; }
.feature-item {
  display: grid;
  grid-template-columns: 120px 1fr;
  align-items: center;
  gap: 40px;
  padding: 48px 0;
}
.feature-num {
  font-family: var(--font-no);
  font-size: 72px;
  font-weight: 700;
  line-height: 1;
  color: var(--accent-gold);
  opacity: 0.9;
  text-align: left;
}
.feature-content h3 { font-size: 20px; font-weight: 700; color: var(--text-primary); margin-bottom: 12px; }
.feature-content p { font-size: 15px; color: var(--text-secondary); line-height: 1.7; max-width: 600px; }
@media (max-width: 768px) {
  .feature-item { grid-template-columns: 70px 1fr; gap: 20px; padding: 36px 0; }
  .feature-num { font-size: 48px; }
}

/* ===== 场景演示区 ===== */
.scenario { padding: 112px 0; border-bottom: 1px solid var(--border-subtle); }
.scenario:last-of-type { border-bottom: none; }
.scenario-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
}
.scenario-img {
  border-radius: var(--radius-img);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16/10;
  position: relative;
  transition: border-color var(--transition), box-shadow var(--transition);
}
.scenario-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 600ms ease; }
.scenario-img:hover { border-color: var(--border-strong); box-shadow: var(--shadow-hover); }
.scenario-img:hover img { transform: scale(1.02); }
.scenario-img::after {
  content: '';
  position: absolute; top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(11,10,9,0.08) 0%, rgba(11,10,9,0.25) 100%);
  pointer-events: none;
}
.scenario-content h3 { font-size: 28px; font-weight: 800; color: var(--text-primary); margin-bottom: 20px; line-height: 1.3; }
.scenario-content p { font-size: 16px; color: var(--text-secondary); line-height: 1.8; margin-bottom: 20px; }
.scenario-content p strong { color: var(--accent-gold); font-weight: 700; }
.scenario-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  border: 1px solid rgba(201,169,110,0.4);
  border-radius: 999px;
  padding: 4px 14px;
  margin-bottom: 18px;
}
.scenario-reverse .scenario-grid { direction: rtl; }
.scenario-reverse .scenario-grid > * { direction: ltr; }
@media (max-width: 1024px) {
  .scenario { padding: 72px 0; }
  .scenario-grid { grid-template-columns: 1fr; gap: 32px; }
  .scenario-content h3 { font-size: 24px; }
}

/* ===== 最新信息 CMS 区 ===== */
.updates { background: var(--bg-secondary); border-top: 1px solid var(--border-subtle); border-bottom: 1px solid var(--border-subtle); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}
.section-head h2 { font-size: 40px; font-weight: 800; color: var(--text-primary); line-height: 1.2; }
.section-head p { font-size: 16px; color: var(--text-muted); margin-top: 8px; }
.section-head-link {
  font-size: 14px;
  color: var(--text-secondary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
  padding: 8px 18px;
  border: 1px solid var(--border-strong);
  border-radius: 999px;
  transition: all var(--transition);
}
.section-head-link:hover { border-color: var(--accent-gold); color: var(--accent-gold); }
.news-list { border: 1px solid var(--border-subtle); border-radius: var(--radius-card); overflow: hidden; }
.news-row {
  display: grid;
  grid-template-columns: 120px 1fr 240px 110px 30px;
  align-items: center;
  gap: 20px;
  padding: 0 24px;
  height: 76px;
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
  transition: background var(--transition);
}
.news-row:last-child { border-bottom: none; }
.news-row:hover { background: rgba(255,255,255,0.02); }
.news-row:hover .news-title { color: var(--accent-gold); }
.news-row:hover .news-arrow { opacity: 1; transform: translateX(4px); color: var(--accent-gold); }
.news-tag {
  font-size: 12px;
  color: var(--accent-gold);
  border: 1px solid rgba(201,169,110,0.4);
  border-radius: 999px;
  padding: 4px 12px;
  text-align: center;
  white-space: nowrap;
  display: inline-block;
  width: fit-content;
  max-width: 100px;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--text-primary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  transition: color var(--transition);
}
.news-summary {
  font-size: 14px;
  color: var(--text-secondary);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
}
.news-date {
  font-size: 13px;
  color: var(--text-muted);
  font-family: var(--font-no);
  letter-spacing: 0.04em;
}
.news-arrow {
  color: var(--text-muted);
  font-size: 16px;
  opacity: 0.6;
  transition: all var(--transition);
  text-align: center;
}
.news-empty {
  padding: 60px 24px;
  text-align: center;
  color: var(--text-muted);
  font-size: 15px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-card);
  background: rgba(255,255,255,0.01);
}
.view-all-mobile { display: none; }
@media (max-width: 1024px) {
  .news-row { grid-template-columns: 90px 1fr 90px 24px; height: auto; min-height: 72px; padding: 14px 18px; gap: 12px; }
  .news-summary { display: none; }
  .news-date { font-size: 12px; }
}
@media (max-width: 640px) {
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; margin-bottom: 32px; }
  .section-head h2 { font-size: 28px; }
  .section-head-link { display: none; }
  .news-row { grid-template-columns: 1fr 24px; grid-template-rows: auto auto; gap: 4px 12px; height: auto; padding: 16px 18px; }
  .news-tag { grid-column: 1 / 2; grid-row: 1; font-size: 11px; padding: 2px 10px; }
  .news-title { grid-column: 1 / 2; grid-row: 2; font-size: 15px; }
  .news-date { grid-column: 2 / 3; grid-row: 1 / 3; align-self: center; font-size: 12px; }
  .news-arrow { grid-column: 2 / 3; grid-row: 3; }
  .view-all-mobile { display: block; text-align: center; margin-top: 20px; }
  .view-all-mobile a { display: inline-block; padding: 10px 24px; border: 1px solid var(--border-strong); border-radius: 999px; font-size: 14px; color: var(--text-secondary); }
}

/* ===== 社会认同区 ===== */
.proof { background: var(--bg-primary); }
.stats-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 40px;
  margin-bottom: 64px;
  border-bottom: 1px solid var(--border-subtle);
  padding-bottom: 56px;
}
.stat-item { text-align: center; }
.stat-num {
  font-family: var(--font-no);
  font-size: 60px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  margin-bottom: 8px;
}
.stat-label { font-size: 14px; color: var(--text-muted); letter-spacing: 0.05em; }
.proof-cards {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.proof-card {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  padding: 36px 32px;
  transition: all var(--transition);
}
.proof-card:hover { border-color: rgba(201,169,110,0.35); box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.proof-card .quote-icon {
  font-family: Georgia, serif;
  font-size: 56px;
  line-height: 1;
  color: var(--accent-gold);
  margin-bottom: 16px;
  opacity: 0.6;
}
.proof-card p { font-size: 15px; line-height: 1.7; color: var(--text-secondary); margin-bottom: 24px; }
.proof-card .author { font-size: 13px; color: var(--text-muted); }
@media (max-width: 768px) {
  .stats-row { grid-template-columns: 1fr 1fr 1fr; gap: 16px; margin-bottom: 48px; padding-bottom: 40px; }
  .stat-num { font-size: 40px; }
  .proof-cards { grid-template-columns: 1fr; }
  .proof-card { padding: 28px 24px; }
}

/* ===== FAQ 区 ===== */
.faq-section { background: var(--bg-secondary); border-top: 1px solid var(--border-subtle); }
.faq-list { max-width: 820px; margin: 0 auto; }
.faq-item { border-bottom: 1px solid var(--border-subtle); transition: background var(--transition); }
.faq-item:first-child { border-top: 1px solid var(--border-subtle); }
.faq-question {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 24px 0;
  cursor: pointer;
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  transition: color var(--transition);
  user-select: none;
}
.faq-question i {
  color: var(--accent-gold);
  font-size: 14px;
  width: 20px;
  text-align: center;
  flex-shrink: 0;
  transition: transform 300ms ease;
}
.faq-item.active .faq-question { color: var(--accent-gold); }
.faq-item.active .faq-question i { transform: rotate(90deg); }
.faq-answer {
  display: none;
  padding: 0 0 24px 36px;
  font-size: 14px;
  line-height: 1.7;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-gold);
  margin-left: 9px;
}
.faq-item.active .faq-answer { display: block; }

/* ===== 底部 CTA ===== */
.cta-bottom {
  position: relative;
  padding: 160px 0 120px;
  text-align: center;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  background-repeat: no-repeat;
}
.cta-bottom::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0; bottom: 0;
  background: linear-gradient(180deg, rgba(11,10,9,0.7) 0%, rgba(11,10,9,0.92) 100%);
}
.cta-bottom .container { position: relative; z-index: 2; }
.cta-bottom h2 {
  font-size: 40px;
  font-weight: 800;
  color: var(--text-primary);
  margin-bottom: 16px;
  line-height: 1.3;
}
.cta-bottom p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
  max-width: 500px;
  margin-left: auto;
  margin-right: auto;
}
.cta-bottom .btn { margin: 0 auto; }
@media (max-width: 768px) {
  .cta-bottom { padding: 120px 0 100px; }
  .cta-bottom h2 { font-size: 28px; }
}

/* ===== 页脚 ===== */
.site-footer { background: var(--bg-secondary); border-top: 1px solid var(--border-subtle); padding: 56px 0 0; }
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  gap: 48px;
  padding-bottom: 48px;
  border-bottom: 1px solid var(--border-subtle);
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-brand .logo-text { font-size: 20px; }
.footer-slogan { font-size: 13px; color: var(--text-muted); line-height: 1.6; max-width: 260px; }
.footer-col h4 { font-size: 15px; font-weight: 700; color: var(--text-primary); margin-bottom: 20px; letter-spacing: 0.05em; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; color: var(--text-secondary); transition: color var(--transition); }
.footer-col ul a:hover { color: var(--accent-gold); }
.footer-col .footer-contact { font-size: 14px; color: var(--text-secondary); line-height: 2; }
.footer-col .footer-contact i { color: var(--accent-gold); width: 18px; margin-right: 4px; font-size: 13px; }
.footer-alt-line { font-size: 13px; color: var(--text-muted); margin-top: 12px; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 24px 0;
  font-size: 14px;
  color: var(--text-muted);
  flex-wrap: wrap;
  gap: 8px;
}
.footer-bottom a { color: var(--text-muted); }
.footer-bottom a:hover { color: var(--accent-gold); }
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* ===== 固定转化条 ===== */
.sticky-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  right: 0;
  height: 64px;
  background: rgba(11, 10, 9, 0.85);
  backdrop-filter: blur(12px);
  border-top: 1px solid rgba(201,169,110,0.3);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  box-shadow: 0 -4px 30px rgba(0,0,0,0.5);
}
.sticky-cta-text { font-size: 15px; color: var(--text-primary); font-weight: 500; }
.sticky-cta-text span { color: var(--accent-gold); }
.sticky-cta .btn {
  padding: 10px 24px;
  font-size: 14px;
  height: 40px;
  border-radius: 6px;
  white-space: nowrap;
}
body { padding-bottom: 0; }
@media (max-width: 640px) {
  .sticky-cta { padding: 0 16px; }
  .sticky-cta-text { font-size: 14px; }
  .sticky-cta-text span { display: none; }
  .sticky-cta .btn { padding: 8px 18px; font-size: 13px; height: 36px; }
}

/* ===== 通用 ===== */
.text-center { text-align: center; }
.mt-1 { margin-top: 16px; }
.mb-1 { margin-bottom: 16px; }
.gold-text { color: var(--accent-gold); }
.section-head-mini {
  margin-bottom: 40px;
}
.section-head-mini h2 { font-size: 32px; font-weight: 800; color: var(--text-primary); }
.section-head-mini p { font-size: 15px; color: var(--text-muted); margin-top: 8px; }

/* ===== 断点补充 ===== */
@media (max-width: 1024px) {
  .hero-inner { max-width: 70%; }
  .hero h1 { font-size: 44px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 768px) {
  .nav-links { display: none; }
  .hamburger { display: flex; }
  .mobile-drawer { display: block; }
  .hero { min-height: 80vh; padding: 60px 0; }
  .hero-inner { max-width: 100%; }
  .hero h1 { font-size: 36px; line-height: 1.2; }
  .hero-sub { font-size: 16px; margin-bottom: 28px; }
  .hero-cta { flex-direction: column; align-items: stretch; }
  .hero-cta .btn { width: 100%; }
  .scenario { padding: 56px 0; }
  .section-head h2 { font-size: 28px; }
  .section-pad { padding: 56px 0; }
}
@media (max-width: 640px) {
  .topbar { padding: 0 16px; font-size: 12px; }
  .container { padding: 0 20px; }
  .hero { padding: 48px 0; }
  .hero h1 { font-size: 30px; }
  .hero-sub { font-size: 15px; }
  .stats-row { grid-template-columns: 1fr 1fr; }
  .stat-item:last-child { grid-column: 1 / -1; }
  .footer-grid { grid-template-columns: 1fr; }
  .footer-bottom { font-size: 13px; }
}

/* roulang page: category1 */
:root {
  --bg-primary: #0B0A09;
  --bg-secondary: #141310;
  --bg-elevated: #1A1815;
  --bg-hover: #211F1A;
  --border-subtle: #26241F;
  --border-strong: #3A362E;
  --accent-gold: #C9A96E;
  --accent-gold-light: #E5C88E;
  --accent-gold-dark: #A8874B;
  --text-primary: #F3EEE6;
  --text-secondary: #A29A8E;
  --text-muted: #6E675D;
  --radius-sm: 8px;
  --radius-md: 10px;
  --radius-lg: 12px;
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
  --transition: 150ms ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  background-color: var(--bg-primary);
  color: var(--text-primary);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
body::before {
  content: '';
  position: fixed;
  top: 0; left: 0; width: 100%; height: 100%;
  background-image: linear-gradient(rgba(201,169,110,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(201,169,110,0.03) 1px, transparent 1px);
  background-size: 60px 60px;
  pointer-events: none;
  z-index: 0;
}
a { color: var(--accent-gold); text-decoration: none; transition: color var(--transition); }
a:hover { color: var(--accent-gold-light); }
img { max-width: 100%; display: block; }
ul { list-style: none; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; position: relative; z-index: 1; }

/* ===== Top Bar ===== */
.top-bar {
  background: var(--bg-secondary);
  height: 40px;
  display: flex;
  align-items: center;
  padding: 0 24px;
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
  border-bottom: 1px solid var(--border-subtle);
}
.top-bar .container {
  display: flex;
  justify-content: space-between;
  align-items: center;
}
.top-bar .top-link {
  color: var(--text-secondary);
  font-size: 13px;
  transition: color var(--transition);
}
.top-bar .top-link:hover { color: var(--accent-gold); }

/* ===== Header ===== */
.main-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  display: flex;
  align-items: center;
  position: sticky;
  top: 0;
  z-index: 100;
}
.main-header .container {
  display: flex;
  align-items: center;
  justify-content: space-between;
}
.logo {
  display: flex;
  align-items: center;
  gap: 10px;
}
.logo-icon {
  width: 40px;
  height: 40px;
  background: var(--accent-gold);
  color: var(--bg-primary);
  font-weight: 900;
  font-size: 18px;
  font-family: 'Oswald', sans-serif;
  display: flex;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
}
.logo-text {
  font-size: 22px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1.2;
}
.logo-text span { color: var(--accent-gold); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 36px;
  margin: 0;
  list-style: none;
}
.nav-links a {
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  color: var(--text-secondary);
  padding: 8px 2px;
  position: relative;
  transition: color var(--transition);
}
.nav-links a::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 2px;
  background: var(--accent-gold);
  transform: scaleX(0);
  transform-origin: left;
  transition: transform 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.nav-links a:hover { color: var(--text-primary); }
.nav-links a:hover::after { transform: scaleX(1); }
.nav-links a.active {
  color: var(--accent-gold);
  font-weight: 700;
}
.nav-links a.active::after { transform: scaleX(1); }
.nav-cta a {
  background: var(--accent-gold);
  color: var(--bg-primary) !important;
  font-weight: 700;
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  transition: background var(--transition), transform 0.15s ease;
}
.nav-cta a::after { display: none; }
.nav-cta a:hover { background: var(--accent-gold-light); color: var(--bg-primary) !important; transform: translateY(-2px); }
.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  background: transparent;
  border: none;
  z-index: 101;
}
.hamburger span {
  width: 24px;
  height: 2px;
  background: var(--text-primary);
  transition: transform 0.3s ease, opacity 0.3s ease;
}

/* ===== Page Hero ===== */
.category-hero {
  padding: 90px 0 70px;
  position: relative;
  border-bottom: 1px solid var(--border-subtle);
  overflow: hidden;
}
.category-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,10,9,0.96) 0%, rgba(11,10,9,0.75) 60%, rgba(11,10,9,0.4) 100%);
  z-index: 0;
}
.category-hero::after {
  content: '';
  position: absolute;
  top: 0; right: 0;
  width: 40%; height: 100%;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.35;
  z-index: 0;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}
.hero-kicker {
  font-size: 13px;
  letter-spacing: 0.14em;
  color: var(--accent-gold);
  text-transform: uppercase;
  margin-bottom: 16px;
  font-weight: 500;
  display: flex;
  align-items: center;
  gap: 12px;
}
.hero-kicker::before {
  content: '';
  width: 32px;
  height: 1px;
  background: var(--accent-gold);
  display: inline-block;
}
.category-hero h1 {
  font-size: 44px;
  font-weight: 900;
  line-height: 1.2;
  letter-spacing: 0.01em;
  color: var(--text-primary);
  margin-bottom: 18px;
}
.category-hero h1 em {
  font-style: normal;
  color: var(--accent-gold);
}
.category-hero .hero-desc {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-secondary);
  max-width: 600px;
  margin-bottom: 28px;
}
.hero-meta-row {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  padding-top: 8px;
}
.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: var(--text-muted);
}
.hero-meta-item i { color: var(--accent-gold); font-size: 14px; }

/* ===== Section Base ===== */
.section {
  padding: 96px 0;
}
.section-alt { background: var(--bg-secondary); }
.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 48px;
  gap: 24px;
}
.section-title {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.25;
  color: var(--text-primary);
  margin-bottom: 12px;
  letter-spacing: 0.01em;
}
.section-title span { color: var(--accent-gold); }
.section-sub {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.6;
}
.section-link {
  font-size: 14px;
  color: var(--accent-gold);
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  white-space: nowrap;
}
.section-link i { transition: transform var(--transition); }
.section-link:hover i { transform: translateX(4px); }

/* ===== News Pillars ===== */
.pillars-list {
  display: flex;
  flex-direction: column;
}
.pillar-item {
  display: flex;
  align-items: flex-start;
  gap: 48px;
  padding: 36px 0;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  transition: background var(--transition);
}
.pillar-item:first-child { border-top: 1px solid var(--border-subtle); }
.pillar-item::before {
  content: '';
  position: absolute;
  left: 0; top: 0;
  height: 0%;
  width: 3px;
  background: var(--accent-gold);
  transition: height 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.pillar-item:hover {
  background: rgba(201,169,110,0.04);
}
.pillar-item:hover::before { height: 100%; }
.pillar-num {
  font-family: 'Oswald', 'DIN Alternate', sans-serif;
  font-size: 64px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  opacity: 0.9;
  min-width: 80px;
  margin-top: -4px;
}
.pillar-body { flex: 1; }
.pillar-body h3 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 10px;
  color: var(--text-primary);
  letter-spacing: 0.01em;
}
.pillar-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 780px;
}
.pillar-tag {
  display: inline-block;
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
  border-radius: 999px;
  padding: 2px 14px;
  margin-top: 14px;
  background: transparent;
  transition: background var(--transition);
}
.pillar-item:hover .pillar-tag { background: rgba(201,169,110,0.1); }

/* ===== News Channels ===== */
.channel-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 32px;
}
.channel-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 32px 32px;
  position: relative;
  transition: all 0.35s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.channel-card::after {
  content: '';
  position: absolute;
  top: 0; left: 0;
  width: 100%; height: 3px;
  background: linear-gradient(90deg, var(--accent-gold), transparent);
  opacity: 0;
  transition: opacity var(--transition);
}
.channel-card:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-hover);
  border-color: var(--border-strong);
}
.channel-card:hover::after { opacity: 1; }
.channel-icon {
  width: 48px;
  height: 48px;
  background: rgba(201,169,110,0.12);
  border-radius: var(--radius-sm);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 20px;
  color: var(--accent-gold);
  margin-bottom: 20px;
}
.channel-card h4 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}
.channel-card p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 18px;
}
.channel-list {
  padding: 0;
  margin: 0;
}
.channel-list li {
  font-size: 13px;
  color: var(--text-muted);
  padding: 6px 0;
  display: flex;
  gap: 8px;
  align-items: center;
}
.channel-list li i {
  font-size: 10px;
  color: var(--accent-gold);
}

/* ===== Picture and Text ===== */
.split-section {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 64px;
  align-items: center;
  margin-bottom: 96px;
}
.split-section:last-child { margin-bottom: 0; }
.split-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  aspect-ratio: 16/10;
}
.split-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.split-image:hover img { transform: scale(1.02); }
.split-image::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(11,10,9,0.25) 0%, rgba(11,10,9,0) 60%);
  pointer-events: none;
}
.split-body h3 {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  margin-bottom: 20px;
  color: var(--text-primary);
}
.split-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.8;
  margin-bottom: 16px;
}
.split-body .key-num {
  color: var(--accent-gold);
  font-weight: 700;
  font-family: 'Oswald', 'DIN Alternate', sans-serif;
}
.split-order {
  font-family: 'Oswald', sans-serif;
  font-size: 14px;
  letter-spacing: 0.18em;
  color: var(--accent-gold);
  text-transform: uppercase;
  display: block;
  margin-bottom: 10px;
}

/* ===== Quotes / Social Proof ===== */
.stats-row {
  display: flex;
  justify-content: center;
  gap: 96px;
  margin-bottom: 72px;
  text-align: center;
}
.stat-item .stat-num {
  font-family: 'Oswald', 'DIN Alternate', sans-serif;
  font-size: 56px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.2;
}
.stat-item .stat-label {
  font-size: 14px;
  color: var(--text-muted);
  margin-top: 6px;
}
.quotes-grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 28px;
}
.quote-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 36px 40px;
  position: relative;
  transition: all 0.3s cubic-bezier(0.22, 0.61, 0.36, 1);
}
.quote-card:hover {
  border-color: var(--accent-gold);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}
.quote-mark {
  font-family: Georgia, serif;
  font-size: 64px;
  color: var(--accent-gold);
  line-height: 0.6;
  font-weight: 700;
  margin-bottom: 16px;
  display: inline-block;
  margin-top: -16px;
}
.quote-card p {
  font-size: 15px;
  line-height: 1.7;
  color: var(--text-secondary);
  margin-bottom: 18px;
}
.quote-author {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ===== FAQ ===== */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
}
.faq-item {
  border-bottom: 1px solid var(--border-subtle);
  padding: 0;
}
.faq-item:first-child { border-top: 1px solid var(--border-subtle); }
.faq-question {
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  cursor: pointer;
  background: transparent;
  border: none;
  width: 100%;
  text-align: left;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  letter-spacing: 0.01em;
  transition: color var(--transition);
  font-family: 'Noto Sans SC', sans-serif;
}
.faq-question:hover { color: var(--accent-gold); }
.faq-question i {
  font-size: 16px;
  color: var(--accent-gold);
  transition: transform 0.3s ease;
  min-width: 20px;
  text-align: center;
}
.faq-item.open .faq-question { color: var(--accent-gold); }
.faq-item.open .faq-question i { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
  font-size: 14px;
  line-height: 1.75;
  color: var(--text-secondary);
  border-left: 3px solid var(--accent-gold);
  margin-left: 4px;
}
.faq-answer p {
  padding: 0 20px 20px 20px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 96px 0 160px;
  position: relative;
  overflow: hidden;
  border-bottom: 1px solid var(--border-subtle);
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.15;
}
.cta-section::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, var(--bg-primary) 0%, rgba(11,10,9,0.85) 40%, var(--bg-primary) 100%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
}
.cta-inner h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  color: var(--text-primary);
}
.cta-inner h2 span { color: var(--accent-gold); }
.cta-inner .cta-desc {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 32px;
  line-height: 1.7;
}
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 16px 36px;
  border-radius: var(--radius-sm);
  cursor: pointer;
  transition: all var(--transition);
  border: none;
  letter-spacing: 0.03em;
  font-family: 'Noto Sans SC', sans-serif;
}
.btn-gold {
  background: var(--accent-gold);
  color: #0B0A09;
}
.btn-gold:hover {
  background: var(--accent-gold-light);
  transform: translateY(-2px);
  box-shadow: 0 8px 24px rgba(201,169,110,0.25);
}
.btn-gold:active { transform: scale(0.98); }
.btn-outline {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}
.btn-outline:hover {
  background: rgba(201,169,110,0.1);
  color: var(--accent-gold-light);
  transform: translateY(-2px);
}
.btn-outline:active { transform: scale(0.98); }

/* ===== More Help ===== */
.help-band {
  background: var(--bg-secondary);
  border-radius: var(--radius-lg);
  border: 1px solid var(--border-subtle);
  padding: 28px 36px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  flex-wrap: wrap;
  margin-top: 80px;
}
.help-band p {
  font-size: 15px;
  color: var(--text-secondary);
  flex: 1;
  min-width: 240px;
  line-height: 1.6;
}
.help-band a {
  color: var(--accent-gold);
  font-weight: 700;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 15px;
  background: transparent;
  border: 1px solid var(--accent-gold);
  padding: 10px 28px;
  border-radius: var(--radius-sm);
  transition: all var(--transition);
}
.help-band a:hover {
  background: rgba(201,169,110,0.1);
  color: var(--accent-gold-light);
  transform: translateX(2px);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 72px 0 0;
  position: relative;
  z-index: 2;
}
.footer-grid {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  gap: 48px;
  padding-bottom: 56px;
}
.footer-brand .logo { margin-bottom: 16px; }
.footer-slogan {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
  letter-spacing: 0.08em;
}
.footer-col h4 {
  font-size: 16px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 18px;
  letter-spacing: 0.02em;
}
.footer-col ul {
  padding: 0;
  margin: 0;
}
.footer-col li {
  margin-bottom: 10px;
}
.footer-col li a {
  font-size: 14px;
  color: var(--text-secondary);
  transition: color var(--transition);
}
.footer-col li a:hover { color: var(--accent-gold); }
.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact i {
  color: var(--accent-gold);
  width: 16px;
  text-align: center;
}
.footer-alt-line {
  font-size: 13px;
  color: var(--text-muted);
  font-style: italic;
}
.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 24px 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  font-size: 14px;
  color: var(--text-muted);
}
.footer-bottom a {
  color: var(--accent-gold);
  font-weight: 500;
}
.footer-bottom a:hover { color: var(--accent-gold-light); }

/* ===== Fixed Bar ===== */
.fixed-cta {
  position: fixed;
  bottom: 0;
  left: 0;
  width: 100%;
  height: 64px;
  background: rgba(11,10,9,0.85);
  backdrop-filter: blur(10px);
  border-top: 1px solid rgba(201,169,110,0.3);
  z-index: 999;
  display: flex;
  align-items: center;
  justify-content: center;
  padding: 0 24px;
}
.fixed-cta.placeholder { display: none; }

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
}
@media (prefers-reduced-motion: no-preference) {
  .reveal-init {
    opacity: 0;
    transform: translateY(24px);
    transition: opacity 0.45s cubic-bezier(0.22, 0.61, 0.36, 1), transform 0.45s cubic-bezier(0.22, 0.61, 0.36, 1);
  }
  .reveal-init.visible {
    opacity: 1;
    transform: translateY(0);
  }
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .section { padding: 80px 0; }
  .channel-grid { grid-template-columns: repeat(2, 1fr); gap: 20px; }
  .split-section { gap: 40px; }
  .split-section .split-image { aspect-ratio: 16/11; }
  .hero-content { max-width: 600px; }
  .category-hero h1 { font-size: 38px; }
  .stats-row { gap: 48px; }
}

@media (max-width: 768px) {
  .top-bar .container { justify-content: center; }
  .top-bar .top-link { display: none; }
  .nav-links {
    position: fixed;
    top: 40px;
    right: -100%;
    flex-direction: column;
    background: var(--bg-primary);
    width: 280px;
    height: calc(100vh - 40px);
    padding: 40px 32px;
    gap: 8px;
    transition: right 0.4s cubic-bezier(0.22, 0.61, 0.36, 1);
    box-shadow: -20px 0 60px rgba(0,0,0,0.5);
    border-left: 1px solid var(--border-subtle);
    z-index: 100;
  }
  .nav-links.open { right: 0; }
  .nav-links li { width: 100%; }
  .nav-links a {
    display: block;
    padding: 16px 0;
    border-bottom: 1px solid var(--border-subtle);
    font-size: 16px;
  }
  .nav-links a::after { display: none; }
  .nav-cta { margin-top: 24px; }
  .nav-cta a {
    text-align: center;
    width: 100%;
    padding: 14px;
  }
  .hamburger {
    display: flex;
    position: absolute;
    right: 24px;
    top: 16px;
  }
  .hamburger.active span:nth-child(1) { transform: translateY(7px) rotate(45deg); }
  .hamburger.active span:nth-child(2) { opacity: 0; }
  .hamburger.active span:nth-child(3) { transform: translateY(-7px) rotate(-45deg); }
  .category-hero { padding: 60px 0 50px; }
  .category-hero h1 { font-size: 32px; }
  .hero-desc br { display: none; }
  .section-title { font-size: 28px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 12px; }
  .pillar-item { gap: 24px; flex-direction: row; }
  .pillar-num { font-size: 44px; min-width: 56px; }
  .channel-grid { grid-template-columns: 1fr; }
  .split-section { grid-template-columns: 1fr; gap: 28px; margin-bottom: 64px; }
  .split-image { aspect-ratio: 16/10; }
  .stats-row { flex-direction: column; gap: 32px; }
  .quotes-grid { grid-template-columns: 1fr; gap: 20px; }
  .category-hero::after { width: 100%; opacity: 0.2; }
  .footer-grid { grid-template-columns: 1fr; gap: 36px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .help-band { flex-direction: column; padding: 28px 24px; text-align: center; }
  .fixed-cta .fa { display: none; }
  .cta-inner h2 { font-size: 30px; }
  .split-order { font-size: 12px; }
}

@media (max-width: 520px) {
  .container { padding: 0 18px; }
  .logo-text { font-size: 18px; }
  .category-hero h1 { font-size: 28px; }
  .category-hero .hero-desc { font-size: 14px; }
  .section-title { font-size: 25px; }
  .pillar-item { gap: 16px; }
  .pillar-num { font-size: 36px; min-width: 44px; }
  .pillar-body h3 { font-size: 18px; }
  .pillar-body p { font-size: 14px; }
  .btn { padding: 14px 28px; width: 100%; max-width: 320px; }
  .section-link { gap: 4px; }
  .quote-card { padding: 28px 24px; }
  .faq-question { font-size: 15px; }
  .fixed-cta { height: 56px; font-size: 14px; }
}

@media (max-width: 640px) {
  .fixed-cta { display: none; }
}

/* roulang page: article */
:root {
  --bg-primary: #0B0A09;
  --bg-secondary: #141310;
  --bg-elevated: #1A1815;
  --bg-hover: #211F1A;
  --border-subtle: #26241F;
  --border-strong: #3A362E;
  --accent-gold: #C9A96E;
  --accent-gold-light: #E5C88E;
  --accent-gold-dark: #A8874B;
  --text-primary: #F3EEE6;
  --text-secondary: #A29A8E;
  --text-muted: #6E675D;
  --radius-sm: 6px;
  --radius-md: 8px;
  --radius-lg: 12px;
  --radius-pill: 999px;
  --transition: 150ms ease;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
}

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

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

body {
  background: var(--bg-primary);
  color: var(--text-primary);
  font-family: 'Noto Sans SC', -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  min-height: 100vh;
  position: relative;
}

body::before {
  content: '';
  position: fixed;
  inset: 0;
  z-index: -1;
  pointer-events: none;
  background-image:
    linear-gradient(rgba(201,169,110,0.035) 1px, transparent 1px),
    linear-gradient(90deg, rgba(201,169,110,0.035) 1px, transparent 1px);
  background-size: 44px 44px;
}

a {
  color: var(--accent-gold);
  transition: color var(--transition);
}

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

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

button {
  font-family: inherit;
}

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

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 14px 34px;
  border-radius: var(--radius-md);
  font-weight: 600;
  font-size: 15px;
  line-height: 1.4;
  text-decoration: none;
  border: 1px solid transparent;
  cursor: pointer;
  transition: background var(--transition), border-color var(--transition), color var(--transition), transform var(--transition), box-shadow var(--transition);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-gold);
  outline-offset: 3px;
}

.btn-gold {
  background: var(--accent-gold);
  color: var(--bg-primary);
}

.btn-gold:hover {
  background: var(--accent-gold-light);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 8px 24px rgba(201,169,110,0.25);
}

.btn-gold:active {
  transform: scale(0.98);
}

.btn-outline {
  background: transparent;
  border-color: var(--accent-gold);
  color: var(--accent-gold);
}

.btn-outline:hover {
  background: rgba(201,169,110,0.1);
  border-color: var(--accent-gold-light);
  color: var(--accent-gold-light);
}

.btn-outline:active {
  transform: scale(0.98);
}

/* ===== 顶部信息条 ===== */
.top-info-bar {
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
  height: 40px;
  display: flex;
  align-items: center;
}

.top-bar-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}

.top-bar-left {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.top-bar-right {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--accent-gold);
  text-decoration: none;
  font-weight: 500;
  transition: color var(--transition);
}

.top-bar-right:hover {
  color: var(--accent-gold-light);
}

/* ===== 主导航 ===== */
.main-header {
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  height: 72px;
  position: sticky;
  top: 0;
  z-index: 100;
}

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

.logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  text-decoration: none;
  flex-shrink: 0;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  background: linear-gradient(135deg, var(--accent-gold), var(--accent-gold-dark));
  color: var(--bg-primary);
  font-family: 'Barlow Condensed', 'Oswald', sans-serif;
  font-weight: 700;
  font-size: 20px;
  border-radius: var(--radius-md);
  letter-spacing: 0.02em;
}

.logo-text {
  font-size: 22px;
  font-weight: 900;
  color: var(--text-primary);
  letter-spacing: 0.04em;
  white-space: nowrap;
}

.logo-text span {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 30px;
  list-style: none;
  margin: 0;
}

.nav-links li {
  margin: 0;
}

.nav-links a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 15px;
  font-weight: 500;
  letter-spacing: 0.05em;
  padding: 8px 2px;
  position: relative;
  transition: color var(--transition);
}

.nav-links a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--accent-gold);
}

.nav-links a.active::after {
  width: 100%;
}

.nav-links .nav-cta a {
  background: var(--accent-gold);
  color: var(--bg-primary);
  padding: 9px 22px;
  border-radius: var(--radius-md);
  font-weight: 700;
  transition: background var(--transition), transform var(--transition), box-shadow var(--transition);
}

.nav-links .nav-cta a::after {
  display: none;
}

.nav-links .nav-cta a:hover {
  background: var(--accent-gold-light);
  color: var(--bg-primary);
  transform: translateY(-1px);
  box-shadow: 0 6px 20px rgba(201,169,110,0.25);
}

.nav-links .nav-cta a:active {
  transform: scale(0.98);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  background: transparent;
  border: none;
  border-radius: var(--radius-sm);
  cursor: pointer;
  padding: 8px;
}

.hamburger span {
  display: block;
  height: 2px;
  width: 100%;
  background: var(--text-primary);
  border-radius: 2px;
  transition: transform var(--transition), opacity var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

.mobile-menu {
  display: none;
  position: fixed;
  top: 112px;
  left: 0;
  right: 0;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  padding: 8px 24px 20px;
  z-index: 99;
  transform: translateY(-12px);
  opacity: 0;
  pointer-events: none;
  transition: transform 300ms cubic-bezier(0.22, 0.61, 0.36, 1), opacity 300ms ease;
}

.mobile-menu.open {
  display: block;
  transform: translateY(0);
  opacity: 1;
  pointer-events: auto;
}

.mobile-menu a {
  display: block;
  color: var(--text-primary);
  text-decoration: none;
  font-size: 16px;
  font-weight: 500;
  padding: 14px 0;
  border-bottom: 1px solid var(--border-subtle);
  transition: color var(--transition);
}

.mobile-menu a:hover {
  color: var(--accent-gold);
}

.mobile-menu a:last-child {
  border-bottom: none;
}

/* ===== 面包屑 ===== */
.breadcrumb-area {
  padding: 28px 0 0;
}

.breadcrumb-nav {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  color: var(--text-muted);
  overflow: hidden;
}

.breadcrumb-nav a {
  color: var(--text-secondary);
  text-decoration: none;
  white-space: nowrap;
  transition: color var(--transition);
}

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

.breadcrumb-nav .sep {
  color: var(--border-strong);
  flex-shrink: 0;
}

.breadcrumb-nav .current {
  color: var(--accent-gold);
  white-space: nowrap;
  overflow: hidden;
  text-overflow: ellipsis;
  max-width: 260px;
}

/* ===== 文章主体 ===== */
.article-container {
  padding: 40px 0 24px;
}

.article-wrap {
  max-width: 760px;
  margin: 0 auto;
  padding: 44px 0 24px;
}

.article-title {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.3;
  letter-spacing: 0.02em;
  margin-bottom: 18px;
  color: var(--text-primary);
}

.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 18px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border-subtle);
  margin-bottom: 34px;
  font-size: 13px;
  color: var(--text-muted);
}

.meta-item {
  display: inline-flex;
  align-items: center;
  white-space: nowrap;
}

.meta-item i {
  color: var(--accent-gold);
  margin-right: 6px;
  font-size: 13px;
}

/* ===== 正文内容 ===== */
.article-content {
  font-size: 16px;
  line-height: 1.85;
  color: var(--text-primary);
}

.article-content p {
  margin-bottom: 28px;
}

.article-content h2,
.article-content h3,
.article-content h4 {
  font-weight: 700;
  line-height: 1.4;
  margin-top: 36px;
  margin-bottom: 16px;
  color: var(--text-primary);
}

.article-content h2 {
  font-size: 24px;
}

.article-content h3 {
  font-size: 20px;
  border-left: 3px solid var(--accent-gold);
  padding-left: 14px;
}

.article-content h4 {
  font-size: 18px;
}

.article-content a {
  color: var(--accent-gold);
  text-decoration: none;
  border-bottom: 1px solid rgba(201,169,110,0.4);
}

.article-content a:hover {
  color: var(--accent-gold-light);
  border-bottom-color: var(--accent-gold-light);
}

.article-content img {
  max-width: 100%;
  height: auto;
  border-radius: var(--radius-lg);
  margin: 32px 0;
}

.article-content blockquote {
  border-left: 3px solid var(--accent-gold);
  background: var(--bg-secondary);
  padding: 20px 24px;
  border-radius: 0 8px 8px 0;
  margin: 28px 0;
  color: var(--text-secondary);
  font-style: italic;
}

.article-content ul,
.article-content ol {
  padding-left: 22px;
  margin-bottom: 28px;
}

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

.article-content pre {
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  padding: 18px;
  overflow-x: auto;
  font-size: 14px;
  line-height: 1.6;
  color: var(--text-primary);
}

/* ===== 空状态 ===== */
.article-empty {
  text-align: center;
  padding: 64px 28px;
  border: 1px dashed var(--border-strong);
  border-radius: var(--radius-lg);
  background: var(--bg-secondary);
}

.article-empty h2 {
  font-size: 22px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-primary);
}

.article-empty p {
  color: var(--text-muted);
  margin-bottom: 26px;
}

/* ===== 上一篇 / 下一篇 ===== */
.post-pagination {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 16px;
  margin-top: 44px;
  padding-top: 26px;
  border-top: 1px solid var(--border-subtle);
}

.post-pagination-link {
  display: flex;
  flex-direction: column;
  gap: 6px;
  padding: 20px 22px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-md);
  text-decoration: none;
  transition: border-color var(--transition), background var(--transition), box-shadow var(--transition);
}

.post-pagination-link:hover {
  border-color: var(--accent-gold);
  background: var(--bg-hover);
  box-shadow: var(--shadow-card);
}

.post-pagination-link.next {
  text-align: right;
}

.pagination-label {
  font-size: 13px;
  color: var(--text-muted);
}

.pagination-title {
  font-size: 15px;
  font-weight: 600;
  color: var(--text-primary);
  transition: color var(--transition);
}

.post-pagination-link:hover .pagination-title {
  color: var(--accent-gold);
}

/* ===== 相关推荐 ===== */
.related-section {
  padding: 88px 0;
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-bottom: 40px;
}

.section-title {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-primary);
  letter-spacing: 0.02em;
}

.section-more {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  font-weight: 500;
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: color var(--transition);
}

.section-more:hover {
  color: var(--accent-gold);
}

.related-card {
  background: var(--bg-elevated);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  overflow: hidden;
  margin-bottom: 24px;
  transition: transform var(--transition), border-color var(--transition), box-shadow var(--transition);
}

.related-card:hover {
  transform: translateY(-3px);
  border-color: rgba(201,169,110,0.35);
  box-shadow: var(--shadow-hover);
}

.related-img {
  aspect-ratio: 16 / 10;
  overflow: hidden;
  background: var(--bg-primary);
}

.related-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 300ms cubic-bezier(0.22, 0.61, 0.36, 1);
}

.related-card:hover .related-img img {
  transform: scale(1.02);
}

.related-body {
  padding: 22px 22px 26px;
}

.badge {
  display: inline-block;
  padding: 4px 12px;
  border: 1px solid var(--accent-gold);
  border-radius: var(--radius-pill);
  font-size: 12px;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  margin-bottom: 12px;
}

.related-body h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.4;
  color: var(--text-primary);
  margin-bottom: 8px;
}

.related-body p {
  font-size: 14px;
  color: var(--text-secondary);
  line-height: 1.6;
}

.related-card a {
  text-decoration: none;
}

/* ===== 文章底部 CTA ===== */
.article-cta {
  padding: 88px 0;
  position: relative;
}

.cta-inner {
  text-align: center;
  padding: 60px 36px;
  background: var(--bg-secondary);
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-lg);
  position: relative;
  overflow: hidden;
}

.cta-inner::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-1.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.12;
}

.cta-inner h2,
.cta-inner p,
.cta-inner .btn {
  position: relative;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 14px;
}

.cta-inner p {
  color: var(--text-secondary);
  font-size: 16px;
  margin-bottom: 28px;
}

/* ===== 页脚 ===== */
.site-footer {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  padding: 60px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.2fr 1fr 1fr;
  gap: 48px;
  padding-bottom: 44px;
}

.footer-brand .logo {
  margin-bottom: 14px;
}

.footer-slogan {
  color: var(--text-muted);
  font-size: 13px;
  letter-spacing: 0.04em;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.04em;
}

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

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  color: var(--text-secondary);
  text-decoration: none;
  font-size: 14px;
  transition: color var(--transition);
}

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

.footer-contact p {
  color: var(--text-secondary);
  font-size: 14px;
  margin-bottom: 10px;
}

.footer-contact i {
  color: var(--accent-gold);
  margin-right: 8px;
}

.footer-alt-line {
  color: var(--text-muted);
  font-size: 13px;
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding: 22px 0;
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--text-muted);
  text-decoration: none;
  transition: color var(--transition);
}

.footer-bottom a:hover {
  color: var(--accent-gold);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .nav-links {
    gap: 22px;
  }

  .nav-links a {
    font-size: 14px;
  }

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

@media (max-width: 768px) {
  .top-info-bar {
    height: 36px;
  }

  .top-bar-left {
    font-size: 12px;
  }

  .nav-links {
    display: none;
  }

  .hamburger {
    display: flex;
  }

  .mobile-menu {
    top: 108px;
  }

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

  .article-container {
    padding-top: 24px;
  }

  .article-wrap {
    padding-top: 32px;
  }

  .article-title {
    font-size: 28px;
    line-height: 1.35;
  }

  .article-meta {
    gap: 14px;
  }

  .post-pagination {
    grid-template-columns: 1fr;
  }

  .related-section {
    padding: 64px 0;
  }

  .section-title {
    font-size: 26px;
  }

  .article-cta {
    padding: 64px 0;
  }

  .cta-inner {
    padding: 44px 24px;
  }

  .cta-inner h2 {
    font-size: 26px;
  }

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 36px;
  }

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

@media (max-width: 520px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .logo-text {
    font-size: 19px;
  }

  .logo-icon {
    width: 34px;
    height: 34px;
    font-size: 17px;
  }

  .top-bar-left {
    letter-spacing: 0.02em;
  }

  .breadcrumb-nav {
    font-size: 13px;
    gap: 6px;
  }

  .breadcrumb-nav .current {
    max-width: 140px;
  }

  .article-title {
    font-size: 24px;
  }

  .article-content {
    font-size: 15px;
  }

  .related-section {
    padding: 52px 0;
  }

  .article-cta {
    padding: 48px 0;
  }

  .cta-inner h2 {
    font-size: 22px;
  }

  .btn {
    padding: 12px 26px;
    font-size: 14px;
  }

  .footer-bottom a {
    font-size: 13px;
  }
}

@media (min-width: 641px) {
  .related-card {
    height: calc(100% - 24px);
  }
}

/* roulang page: category2 */
:root {
  --bg-primary: #0B0A09;
  --bg-secondary: #141310;
  --bg-elevated: #1A1815;
  --bg-hover: #211F1A;
  --border-subtle: #26241F;
  --border-strong: #3A362E;
  --accent-gold: #C9A96E;
  --accent-gold-light: #E5C88E;
  --accent-gold-dark: #A8874B;
  --text-primary: #F3EEE6;
  --text-secondary: #A29A8E;
  --text-muted: #6E675D;
  --radius-btn: 8px;
  --radius-card: 10px;
  --radius-img: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 1px 3px rgba(0,0,0,0.4);
  --shadow-hover: 0 12px 40px rgba(0,0,0,0.5);
  --transition: 150ms ease;
  --ease-enter: cubic-bezier(0.22, 0.61, 0.36, 1);
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: 'Noto Sans SC', -apple-system, 'PingFang SC', 'Microsoft YaHei', sans-serif;
  background: var(--bg-primary);
  color: var(--text-primary);
  font-size: 16px;
  line-height: 1.75;
  letter-spacing: 0.02em;
  -webkit-font-smoothing: antialiased;
}

body::before {
  content: "";
  position: fixed;
  inset: 0;
  z-index: 0;
  pointer-events: none;
  background-image: linear-gradient(rgba(255,255,255,0.03) 1px, transparent 1px), linear-gradient(90deg, rgba(255,255,255,0.03) 1px, transparent 1px);
  background-size: 48px 48px;
}

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

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

ul, ol {
  list-style: none;
}

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

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
  position: relative;
  z-index: 1;
}

.row {
  max-width: none;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 600;
  padding: 14px 34px;
  border-radius: var(--radius-btn);
  cursor: pointer;
  transition: all var(--transition);
  user-select: none;
  white-space: nowrap;
  line-height: 1;
}

.btn:active {
  transform: scale(0.98);
}

.btn:focus-visible {
  outline: 2px solid var(--accent-gold-light);
  outline-offset: 3px;
}

.btn-gold {
  background: var(--accent-gold);
  color: var(--bg-primary);
  border: 1px solid var(--accent-gold-dark);
}

.btn-gold:hover {
  background: var(--accent-gold-light);
  transform: translateY(-1px);
  box-shadow: 0 10px 30px rgba(201,169,110,0.2);
}

.btn-gold-dark {
  background: transparent;
  color: var(--accent-gold);
  border: 1px solid var(--accent-gold);
}

.btn-gold-dark:hover {
  background: rgba(201,169,110,0.1);
  border-color: var(--accent-gold-light);
  color: var(--accent-gold-light);
}

.btn-sm {
  padding: 10px 24px;
  font-size: 14px;
}

/* ===== Topbar ===== */
.topbar {
  height: 40px;
  background: var(--bg-secondary);
  border-bottom: 1px solid var(--border-subtle);
}

.topbar-inner {
  height: 40px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  max-width: 1200px;
  margin: 0 auto;
}

.topbar-site {
  font-size: 13px;
  letter-spacing: 0.06em;
  color: var(--text-muted);
}

.topbar-link {
  font-size: 13px;
  color: var(--text-secondary);
  letter-spacing: 0.04em;
}

.topbar-link:hover {
  color: var(--accent-gold);
}

/* ===== Header ===== */
.main-header {
  height: 72px;
  background: var(--bg-primary);
  border-bottom: 1px solid var(--border-subtle);
  position: sticky;
  top: 0;
  z-index: 1000;
}

.main-header .container {
  height: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding-top: 0;
  padding-bottom: 0;
}

.logo {
  display: inline-flex;
  align-items: center;
  gap: 12px;
  flex-shrink: 0;
}

.logo-icon {
  width: 40px;
  height: 40px;
  border-radius: var(--radius-btn);
  background: linear-gradient(145deg, var(--accent-gold), var(--accent-gold-dark));
  color: var(--bg-primary);
  font-family: 'Oswald', 'DIN Alternate', sans-serif;
  font-size: 18px;
  font-weight: 700;
  display: flex;
  align-items: center;
  justify-content: center;
  letter-spacing: 0;
}

.logo-text {
  font-size: 24px;
  font-weight: 900;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  line-height: 1;
}

.logo-text span {
  color: var(--accent-gold);
}

.nav-links {
  display: flex;
  align-items: center;
  gap: 32px;
}

.nav-links a {
  font-size: 15px;
  color: var(--text-secondary);
  letter-spacing: 0.05em;
  padding: 10px 0;
  position: relative;
}

.nav-links a::after {
  content: "";
  position: absolute;
  left: 50%;
  bottom: 0;
  width: 0;
  height: 2px;
  background: var(--accent-gold);
  transform: translateX(-50%);
  transition: width var(--transition);
}

.nav-links a:hover {
  color: var(--text-primary);
}

.nav-links a:hover::after {
  width: 100%;
}

.nav-links a.active {
  color: var(--accent-gold);
}

.nav-links a.active::after {
  width: 100%;
}

.nav-links .nav-cta a {
  background: var(--accent-gold);
  color: var(--bg-primary);
  font-weight: 600;
  padding: 10px 24px;
  border-radius: var(--radius-btn);
  border: 1px solid var(--accent-gold-dark);
}

.nav-links .nav-cta a::after {
  display: none;
}

.nav-links .nav-cta a:hover {
  background: var(--accent-gold-light);
}

.hamburger {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  cursor: pointer;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-btn);
  padding: 8px;
  background: var(--bg-elevated);
}

.hamburger span {
  display: block;
  height: 2px;
  background: var(--text-primary);
  border-radius: 2px;
  transition: all var(--transition);
}

.hamburger.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.hamburger.active span:nth-child(2) {
  opacity: 0;
}

.hamburger.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* ===== Hero ===== */
.hero {
  position: relative;
  min-height: 560px;
  padding: 100px 0;
  display: flex;
  align-items: center;
  overflow: hidden;
  background: url('/assets/images/backpic/back-1.webp') center center / cover no-repeat;
  border-bottom: 1px solid var(--border-subtle);
}

.hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(11,10,9,0.94) 0%, rgba(11,10,9,0.7) 65%, rgba(11,10,9,0.35) 100%);
  z-index: 1;
}

.hero .container {
  z-index: 2;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  letter-spacing: 0.12em;
  color: var(--accent-gold);
  border: 1px solid rgba(201,169,110,0.5);
  border-radius: var(--radius-tag);
  padding: 6px 16px;
  margin-bottom: 24px;
  background: rgba(11,10,9,0.4);
}

.hero h1 {
  font-size: 56px;
  font-weight: 900;
  line-height: 1.15;
  letter-spacing: 0.02em;
  color: var(--text-primary);
  margin-bottom: 20px;
  max-width: 700px;
}

.hero h1 em {
  font-style: normal;
  color: var(--accent-gold);
}

.hero-desc {
  font-size: 18px;
  color: var(--text-secondary);
  line-height: 1.8;
  max-width: 580px;
  margin-bottom: 36px;
}

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

.hero-trust {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
}

/* ===== Section General ===== */
.section {
  padding: 112px 0;
}

.section-alt {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  margin-bottom: 56px;
  gap: 24px;
}

.section-head h2 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  letter-spacing: 0.01em;
  position: relative;
}

.section-head h2::after {
  content: "";
  display: block;
  width: 56px;
  height: 3px;
  background: var(--accent-gold);
  margin-top: 16px;
  border-radius: 2px;
}

.section-head p {
  color: var(--text-secondary);
  font-size: 16px;
  max-width: 420px;
  text-align: right;
  line-height: 1.7;
}

/* ===== Feature List ===== */
.feature-list {
  border-top: 1px solid var(--border-subtle);
}

.feature-item {
  display: flex;
  align-items: flex-start;
  gap: 48px;
  padding: 48px 32px;
  border-bottom: 1px solid var(--border-subtle);
  position: relative;
  transition: background var(--transition);
}

.feature-item::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0;
  bottom: 0;
  width: 3px;
  background: var(--accent-gold);
  opacity: 0;
  transform: scaleY(0.4);
  transition: all var(--transition);
}

.feature-item:hover {
  background: rgba(201,169,110,0.04);
}

.feature-item:hover::before {
  opacity: 1;
  transform: scaleY(1);
}

.feature-num {
  font-family: 'DIN Alternate', 'Oswald', 'Barlow Condensed', sans-serif;
  font-size: 72px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1;
  min-width: 110px;
  opacity: 0.9;
  letter-spacing: 0.02em;
}

.feature-body h3 {
  font-size: 20px;
  font-weight: 700;
  margin-bottom: 12px;
}

.feature-body p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.75;
  max-width: 720px;
}

/* ===== Scene Split ===== */
.scene-block {
  display: flex;
  align-items: center;
  gap: 64px;
  margin-bottom: 112px;
}

.scene-block:last-child {
  margin-bottom: 0;
}

.scene-block.reverse {
  flex-direction: row-reverse;
}

.scene-media {
  flex: 1;
  border-radius: var(--radius-img);
  overflow: hidden;
  border: 1px solid var(--border-subtle);
  transition: border-color var(--transition), box-shadow var(--transition);
  aspect-ratio: 16 / 10;
  background: var(--bg-elevated);
}

.scene-media:hover {
  border-color: var(--border-strong);
  box-shadow: var(--shadow-hover);
}

.scene-media img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 450ms var(--ease-enter);
}

.scene-media:hover img {
  transform: scale(1.02);
}

.scene-content {
  flex: 1;
}

.scene-content h3 {
  font-size: 28px;
  font-weight: 700;
  line-height: 1.3;
  margin-bottom: 24px;
}

.scene-content h3 span {
  color: var(--accent-gold);
}

.scene-content p {
  font-size: 15px;
  color: var(--text-secondary);
  line-height: 1.85;
  margin-bottom: 16px;
}

.scene-content .highlight {
  color: var(--accent-gold);
  font-weight: 700;
}

.scene-tags {
  display: flex;
  gap: 12px;
  flex-wrap: wrap;
  margin-top: 24px;
}

.tag {
  display: inline-flex;
  align-items: center;
  font-size: 12px;
  letter-spacing: 0.1em;
  color: var(--accent-gold);
  border: 1px solid rgba(201,169,110,0.4);
  border-radius: var(--radius-tag);
  padding: 4px 14px;
  background: transparent;
}

/* ===== Stats ===== */
.stats-section {
  background: var(--bg-secondary);
  border-top: 1px solid var(--border-subtle);
  border-bottom: 1px solid var(--border-subtle);
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 48px;
}

.stat-item {
  text-align: center;
  padding: 48px 24px;
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
  transition: all var(--transition);
}

.stat-item:hover {
  border-color: rgba(201,169,110,0.3);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.stat-num {
  font-family: 'DIN Alternate', 'Oswald', 'Barlow Condensed', sans-serif;
  font-size: 60px;
  font-weight: 700;
  color: var(--accent-gold);
  line-height: 1.1;
  margin-bottom: 12px;
}

.stat-label {
  font-size: 14px;
  color: var(--text-secondary);
}

/* ===== Process ===== */
.process-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.process-card {
  border: 1px solid var(--border-subtle);
  border-radius: var(--radius-card);
  background: var(--bg-elevated);
  padding: 40px 24px;
  text-align: center;
  transition: all var(--transition);
  position: relative;
}

.process-card:hover {
  border-color: rgba(201,169,110,0.4);
  transform: translateY(-3px);
  box-shadow: var(--shadow-hover);
}

.process-step {
  font-family: 'DIN Alternate', 'Oswald', sans-serif;
  font-size: 14px;
  color: var(--accent-gold);
  letter-spacing: 0.15em;
  margin-bottom: 12px;
  display: block;
}

.process-icon {
  width: 56px;
  height: 56px;
  margin: 0 auto 20px;
  border-radius: var(--radius-btn);
  background: rgba(201,169,110,0.12);
  border: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: center;
  color: var(--accent-gold);
  font-size: 22px;
}

.process-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 12px;
}

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

/* ===== FAQ ===== */
.faq-list {
  border-top: 1px solid var(--border-subtle);
}

.accordion-item {
  border-bottom: 1px solid var(--border-subtle);
  background: transparent;
}

.accordion-item .accordion-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--text-primary);
  padding: 24px 0;
  display: flex;
  align-items: center;
  gap: 16px;
  cursor: pointer;
  position: relative;
  transition: color var(--transition);
}

.accordion-item .accordion-title::before {
  content: "\f059";
  font-family: 'Font Awesome 6 Free';
  font-weight: 400;
  color: var(--accent-gold);
  font-size: 15px;
}

.accordion-item .accordion-title::after {
  content: "\f078";
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  font-size: 12px;
  color: var(--text-muted);
  margin-left: auto;
  transition: transform var(--transition);
}

.accordion-item.is-active > .accordion-title {
  color: var(--accent-gold);
}

.accordion-item.is-active > .accordion-title::after {
  transform: rotate(180deg);
  color: var(--accent-gold);
}

.accordion-content {
  color: var(--text-secondary);
  font-size: 14px;
  line-height: 1.75;
  padding: 0 40px 24px 32px;
  border-left: 3px solid rgba(201,169,110,0.5);
  margin-left: 2px;
}

.accordion-content p {
  max-width: 820px;
}

/* ===== CTA ===== */
.cta-section {
  padding: 120px 0;
  position: relative;
  background: url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  text-align: center;
  border-bottom: 1px solid var(--border-subtle);
}

.cta-section::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(0deg, rgba(11,10,9,0.94) 0%, rgba(11,10,9,0.72) 100%);
  z-index: 1;
}

.cta-section .container {
  position: relative;
  z-index: 2;
}

.cta-section h2 {
  font-size: 40px;
  font-weight: 800;
  margin-bottom: 16px;
  line-height: 1.3;
}

.cta-section p {
  font-size: 16px;
  color: var(--text-secondary);
  margin-bottom: 36px;
}

/* ===== Sticky Bar ===== */
.sticky-bar {
  position: fixed;
  left: 0;
  right: 0;
  bottom: 0;
  height: 64px;
  background: rgba(11,10,9,0.85);
  border-top: 1px solid rgba(201,169,110,0.3);
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 0 24px;
  z-index: 2000;
  backdrop-filter: blur(8px);
  -webkit-backdrop-filter: blur(8px);
}

.sticky-bar-text {
  font-size: 15px;
  color: var(--text-primary);
  display: flex;
  align-items: center;
  gap: 12px;
}

.sticky-bar-text i {
  color: var(--accent-gold);
}

.sticky-bar .btn {
  flex-shrink: 0;
}

/* ===== Footer ===== */
.site-footer {
  background: var(--bg-primary);
  border-top: 1px solid var(--border-subtle);
  padding: 72px 0 40px;
  margin-bottom: 64px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 4fr 4fr 4fr;
  gap: 48px;
  margin-bottom: 48px;
}

.footer-brand .logo {
  margin-bottom: 16px;
}

.footer-brand .logo-text {
  font-size: 22px;
}

.footer-slogan {
  font-size: 13px;
  color: var(--text-muted);
  letter-spacing: 0.06em;
  margin-top: 12px;
}

.footer-col h4 {
  font-size: 15px;
  font-weight: 700;
  color: var(--text-primary);
  margin-bottom: 20px;
  letter-spacing: 0.06em;
}

.footer-col ul li {
  margin-bottom: 12px;
}

.footer-col ul a {
  font-size: 14px;
  color: var(--text-secondary);
}

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

.footer-contact p {
  font-size: 14px;
  color: var(--text-secondary);
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-contact p i {
  color: var(--accent-gold);
  width: 18px;
  text-align: center;
}

.footer-alt-line {
  font-size: 13px;
  color: var(--text-muted);
}

.footer-bottom {
  border-top: 1px solid var(--border-subtle);
  padding-top: 24px;
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--text-muted);
}

.footer-bottom a {
  color: var(--accent-gold);
}

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

/* ===== Reveal Animation ===== */
.reveal {
  opacity: 1;
  transform: translateY(0);
  transition: opacity 450ms var(--ease-enter), transform 450ms var(--ease-enter);
}

/* ===== Responsive ===== */
@media screen and (max-width: 1024px) {
  .hero h1 {
    font-size: 42px;
  }

  .section {
    padding: 80px 0;
  }

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

  .stats-grid {
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
  }

  .stat-num {
    font-size: 48px;
  }
}

@media screen and (max-width: 768px) {
  .main-header {
    height: 64px;
  }

  .main-header .container {
    padding: 0 16px;
  }

  .nav-links {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    background: var(--bg-primary);
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 0;
    padding: 80px 32px 32px;
    box-shadow: -20px 0 60px rgba(0,0,0,0.6);
    transition: right 300ms var(--ease-enter);
    z-index: 999;
    border-left: 1px solid var(--border-subtle);
  }

  .nav-links.open {
    right: 0;
  }

  .nav-links li {
    width: 100%;
  }

  .nav-links a {
    display: block;
    width: 100%;
    padding: 16px 0;
    font-size: 16px;
    border-bottom: 1px solid var(--border-subtle);
  }

  .nav-links a::after {
    display: none;
  }

  .nav-links .nav-cta {
    margin-top: 24px;
  }

  .nav-links .nav-cta a {
    text-align: center;
  }

  .hamburger {
    display: flex;
    position: relative;
    z-index: 1001;
  }

  .topbar-inner {
    padding: 0 16px;
  }

  .topbar-site {
    font-size: 12px;
  }

  .hero {
    padding: 80px 0;
    min-height: auto;
  }

  .hero h1 {
    font-size: 36px;
  }

  .hero-desc {
    font-size: 16px;
  }

  .feature-item {
    flex-direction: column;
    gap: 16px;
    padding: 32px 16px;
  }

  .feature-num {
    font-size: 56px;
    min-width: auto;
  }

  .scene-block, .scene-block.reverse {
    flex-direction: column;
    gap: 32px;
    margin-bottom: 72px;
  }

  .scene-content h3 {
    font-size: 22px;
  }

  .section-head {
    flex-direction: column;
    align-items: flex-start;
    gap: 12px;
    margin-bottom: 40px;
  }

  .section-head h2 {
    font-size: 28px;
  }

  .section-head p {
    text-align: left;
    font-size: 15px;
  }

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

  .stat-item {
    padding: 32px 16px;
  }

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

  .cta-section {
    padding: 80px 0;
  }

  .cta-section h2 {
    font-size: 28px;
  }

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

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

  .sticky-bar {
    padding: 0 16px;
  }

  .sticky-bar-text i {
    display: none;
  }

  .sticky-bar-text {
    font-size: 14px;
    max-width: 180px;
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
  }

  .sticky-bar .btn-sm {
    padding: 8px 18px;
    font-size: 13px;
  }
}

@media screen and (max-width: 520px) {
  .hero h1 {
    font-size: 30px;
  }

  .hero-desc {
    font-size: 15px;
  }

  .hero-actions {
    flex-direction: column;
    align-items: stretch;
  }

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

  .btn {
    padding: 14px 24px;
  }

  .feature-num {
    font-size: 48px;
  }

  .stat-num {
    font-size: 42px;
  }

  .accordion-content {
    padding: 0 16px 20px 24px;
  }

  .topbar-link {
    display: none;
  }

  .topbar-inner {
    justify-content: center;
  }
}

/* roulang page: category3 */
:root{
  --bg-primary:#0B0A09;
  --bg-secondary:#141310;
  --bg-elevated:#1A1815;
  --bg-hover:#211F1A;
  --border-subtle:#26241F;
  --border-strong:#3A362E;
  --accent-gold:#C9A96E;
  --accent-gold-light:#E5C88E;
  --accent-gold-dark:#A8874B;
  --text-primary:#F3EEE6;
  --text-secondary:#A29A8E;
  --text-muted:#6E675D;
  --radius-btn:8px;
  --radius-card:10px;
  --radius-img:12px;
  --shadow-card:0 1px 3px rgba(0,0,0,.4);
  --shadow-hover:0 12px 40px rgba(0,0,0,.5);
  --space-section:112px;
  --space-section-mobile:72px;
  --font-cn:'Noto Sans SC',-apple-system,'PingFang SC','Microsoft YaHei',sans-serif;
  --font-num:'DIN Alternate','Oswald','Barlow Condensed',sans-serif;
  --transition-base:150ms ease;
  --transition-enter:450ms cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font-cn);
  background:var(--bg-primary);
  color:var(--text-primary);
  font-size:16px;
  line-height:1.75;
  letter-spacing:.02em;
  -webkit-font-smoothing:antialiased;
  background-image:linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px);
  background-size:48px 48px;
}
img{max-width:100%;display:block}
a{color:var(--accent-gold);text-decoration:none;transition:color var(--transition-base)}
a:hover{color:var(--accent-gold-light)}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
input,textarea{font-family:inherit}
.container{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}

/* Buttons */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:16px 36px;
  border-radius:var(--radius-btn);
  font-weight:600;
  font-size:16px;
  line-height:1;
  transition:all var(--transition-base);
  border:1px solid transparent;
  letter-spacing:.03em;
}
.btn-gold{background:var(--accent-gold);color:#0B0A09}
.btn-gold:hover{background:var(--accent-gold-light);color:#0B0A09;transform:translateY(-1px);box-shadow:var(--shadow-hover)}
.btn-gold:active{transform:scale(.98)}
.btn-outline{background:transparent;border:1px solid var(--accent-gold);color:var(--accent-gold)}
.btn-outline:hover{background:rgba(201,169,110,.1);color:var(--accent-gold-light);border-color:var(--accent-gold-light)}
.btn-outline:active{transform:scale(.98)}

/* Header */
.main-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(11,10,9,.96);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border-subtle);
}
.main-header .container{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  background:linear-gradient(135deg,var(--accent-gold),var(--accent-gold-dark));
  color:#0B0A09;
  font-weight:800;
  font-size:18px;
  border-radius:8px;
  letter-spacing:-.5px;
}
.logo-text{font-size:22px;font-weight:800;color:var(--text-primary);letter-spacing:.02em}
.logo-text span{color:var(--accent-gold)}
.nav-links{display:flex;align-items:center;gap:30px;margin:0}
.nav-links > li > a{
  font-size:15px;
  color:var(--text-secondary);
  font-weight:500;
  letter-spacing:.05em;
  position:relative;
  padding:8px 0;
  transition:color var(--transition-base);
}
.nav-links > li > a::after{
  content:'';
  position:absolute;
  left:0;bottom:0;
  width:100%;height:2px;
  background:var(--accent-gold);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--transition-base);
}
.nav-links > li > a:hover{color:var(--text-primary)}
.nav-links > li > a:hover::after{transform:scaleX(1)}
.nav-links > li > a.active{color:var(--accent-gold)}
.nav-links > li > a.active::after{transform:scaleX(1)}
.nav-cta a{
  background:var(--accent-gold);
  color:#0B0A09 !important;
  padding:10px 24px !important;
  border-radius:8px;
  font-weight:600;
}
.nav-cta a::after{display:none}
.nav-cta a:hover{background:var(--accent-gold-light);color:#0B0A09}
.hamburger{
  display:none;
  flex-direction:column;
  gap:5px;
  cursor:pointer;
  padding:8px;
  z-index:100;
}
.hamburger span{
  width:24px;
  height:2px;
  background:var(--text-primary);
  transition:all .3s ease;
}
.hamburger.open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.hamburger.open span:nth-child(2){opacity:0}
.hamburger.open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* Hero */
.com-hero{
  position:relative;
  padding:112px 0 96px;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--border-subtle);
}
.com-hero::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(90deg,rgba(11,10,9,.95) 0%,rgba(11,10,9,.88) 45%,rgba(11,10,9,.6) 100%);
}
.com-hero .container{position:relative;z-index:1}
.com-hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:7px 16px;
  border:1px solid rgba(201,169,110,.45);
  border-radius:999px;
  color:var(--accent-gold);
  font-size:12px;
  letter-spacing:.12em;
  text-transform:uppercase;
  margin-bottom:28px;
  background:rgba(11,10,9,.4);
}
.com-hero-badge i{font-size:12px}
.com-hero h1{
  font-size:40px;
  font-weight:900;
  line-height:1.2;
  color:var(--text-primary);
  margin-bottom:18px;
  letter-spacing:.02em;
}
.com-hero-lead{
  font-size:16px;
  line-height:1.8;
  color:var(--text-secondary);
  max-width:660px;
  margin-bottom:36px;
}
.com-hero-actions{display:flex;gap:16px;flex-wrap:wrap}

/* Section head */
.section-head{margin-bottom:56px;max-width:760px}
.section-head h2{
  font-size:40px;
  font-weight:800;
  line-height:1.25;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.section-head h2 span{color:var(--accent-gold)}
.section-head p{font-size:16px;color:var(--text-secondary);line-height:1.75}
.section-head-center{margin-left:auto;margin-right:auto;text-align:center}

/* Features list */
.com-features{padding:var(--space-section) 0;background:var(--bg-secondary)}
.feature-list{border-top:1px solid var(--border-subtle);position:relative}
.feature-list::before{
  content:'';
  position:absolute;
  top:0;left:0;
  width:64px;height:1px;
  background:var(--accent-gold);
  z-index:1;
}
.feature-item{
  display:grid;
  grid-template-columns:240px 1fr;
  gap:40px;
  padding:40px 24px;
  border-bottom:1px solid var(--border-subtle);
  transition:background var(--transition-base),padding-left var(--transition-base);
  position:relative;
}
.feature-item::before{
  content:'';
  position:absolute;
  left:0;top:0;
  height:0;
  width:3px;
  background:var(--accent-gold);
  transition:height .3s ease;
}
.feature-item:hover{
  background:rgba(201,169,110,.05);
  padding-left:32px;
}
.feature-item:hover::before{height:100%}
.feature-item h3{
  font-size:20px;
  font-weight:700;
  color:var(--text-primary);
  position:relative;
  padding-left:16px;
  line-height:1.4;
}
.feature-item h3::before{
  content:'';
  position:absolute;
  left:0;top:4px;bottom:4px;
  width:3px;
  background:var(--accent-gold);
  border-radius:2px;
}
.feature-item p{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.8;
}
.feature-item .feature-index{
  font-family:var(--font-num);
  font-size:20px;
  color:var(--accent-gold);
  font-weight:600;
  opacity:.8;
  margin-bottom:8px;
}

/* Scenes */
.com-scenes{padding:var(--space-section) 0;background:var(--bg-primary)}
.scene-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:64px;
  align-items:center;
  margin-bottom:96px;
}
.scene-block:last-child{margin-bottom:0}
.scene-media{
  position:relative;
  border-radius:var(--radius-img);
  overflow:hidden;
  border:1px solid #2A261F;
  aspect-ratio:16/10;
  box-shadow:var(--shadow-card);
}
.scene-media img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.scene-media:hover img{transform:scale(1.03)}
.scene-media::after{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(135deg,rgba(11,10,9,.18),rgba(11,10,9,.05));
  pointer-events:none;
}
.scene-content h3{
  font-size:22px;
  font-weight:700;
  line-height:1.35;
  margin-bottom:18px;
  color:var(--text-primary);
}
.scene-content p{
  font-size:15px;
  color:var(--text-secondary);
  line-height:1.85;
  margin-bottom:16px;
}
.scene-content .key-number{
  color:var(--accent-gold);
  font-weight:700;
  font-family:var(--font-num);
}

/* Stats */
.com-stats{
  padding:var(--space-section) 0;
  background:var(--bg-secondary);
  border-top:1px solid var(--border-subtle);
  border-bottom:1px solid var(--border-subtle);
  position:relative;
}
.com-stats::before{
  content:'';
  position:absolute;
  top:0;left:50%;
  transform:translateX(-50%);
  width:80px;height:1px;
  background:var(--accent-gold);
}
.stats-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:48px;
  text-align:center;
}
.stat-item{padding:16px 0}
.stat-num{
  font-family:var(--font-num);
  font-size:60px;
  font-weight:700;
  color:var(--accent-gold);
  line-height:1.1;
  letter-spacing:.01em;
}
.stat-label{
  font-size:14px;
  color:var(--text-secondary);
  margin-top:10px;
  letter-spacing:.06em;
}

/* Modules */
.com-modules{padding:var(--space-section) 0;background:var(--bg-primary)}
.modules-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
}
.module-card{
  background:var(--bg-elevated);
  border:1px solid var(--border-subtle);
  border-radius:var(--radius-card);
  padding:32px 28px;
  transition:all var(--transition-base);
  position:relative;
  overflow:hidden;
}
.module-card::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;
  height:2px;
  background:linear-gradient(90deg,var(--accent-gold),transparent);
  opacity:0;
  transition:opacity var(--transition-base);
}
.module-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,169,110,.35);
}
.module-card:hover::before{opacity:1}
.module-card-icon{
  display:flex;
  align-items:center;
  justify-content:center;
  width:52px;
  height:52px;
  background:rgba(201,169,110,.12);
  border-radius:12px;
  color:var(--accent-gold);
  font-size:20px;
  margin-bottom:22px;
}
.module-card h3{
  font-size:20px;
  font-weight:700;
  margin-bottom:12px;
  color:var(--text-primary);
}
.module-card p{
  font-size:14px;
  color:var(--text-secondary);
  line-height:1.8;
}
.module-card .module-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  color:var(--accent-gold);
  font-weight:600;
  transition:color var(--transition-base);
}
.module-card .module-link .fa-arrow-right{
  transition:transform var(--transition-base);
}
.module-card:hover .module-link .fa-arrow-right{
  transform:translateX(4px);
}

/* FAQ */
.com-faq{padding:var(--space-section) 0;background:var(--bg-secondary)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-list{border-top:1px solid var(--border-subtle)}
.faq-item{border-bottom:1px solid var(--border-subtle)}
.faq-question{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 4px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text-primary);
  transition:color var(--transition-base);
  width:100%;
  text-align:left;
}
.faq-question:hover{color:var(--accent-gold)}
.faq-icon{
  position:relative;
  width:18px;
  height:18px;
  flex-shrink:0;
}
.faq-icon::before,
.faq-icon::after{
  content:'';
  position:absolute;
  background:var(--accent-gold);
  transition:transform .3s ease;
  border-radius:1px;
}
.faq-icon::before{top:8px;left:0;width:18px;height:2px}
.faq-icon::after{top:0;left:8px;width:2px;height:18px}
.faq-item.active .faq-question{color:var(--accent-gold)}
.faq-item.active .faq-icon::after{transform:scaleY(0)}
.faq-answer{
  display:none;
  font-size:14px;
  line-height:1.75;
  color:var(--text-secondary);
  border-left:3px solid var(--accent-gold);
  padding:0 0 22px 20px;
  margin:0 4px 4px 0;
}

/* CTA */
.com-cta{
  padding:112px 0 144px;
  position:relative;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  text-align:center;
  border-bottom:1px solid var(--border-subtle);
}
.com-cta::before{
  content:'';
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(11,10,9,.88),rgba(11,10,9,.97));
}
.com-cta .container{position:relative;z-index:1}
.com-cta h2{
  font-size:40px;
  font-weight:800;
  margin-bottom:16px;
  color:var(--text-primary);
}
.com-cta p{
  font-size:16px;
  color:var(--text-secondary);
  margin-bottom:36px;
  max-width:560px;
  margin-left:auto;
  margin-right:auto;
}

/* Footer */
.site-footer{
  background:var(--bg-primary);
  border-top:1px solid var(--border-subtle);
  padding:80px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:4fr 4fr 4fr;
  gap:48px;
  padding-bottom:48px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-slogan{
  font-size:13px;
  color:var(--text-muted);
  letter-spacing:.08em;
  line-height:1.6;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text-primary);
  margin-bottom:18px;
  letter-spacing:.04em;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  color:var(--text-secondary);
  font-size:14px;
  transition:color var(--transition-base);
}
.footer-col ul a:hover{color:var(--accent-gold)}
.footer-contact p{
  font-size:14px;
  color:var(--text-secondary);
  margin-bottom:12px;
}
.footer-contact i{
  color:var(--accent-gold);
  margin-right:8px;
  width:16px;
}
.footer-alt-line{
  font-size:13px;
  color:var(--text-muted);
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  align-items:center;
  padding:24px 0;
  border-top:1px solid var(--border-subtle);
  font-size:14px;
  color:var(--text-muted);
  flex-wrap:wrap;
  gap:12px;
}
.footer-bottom a{
  color:var(--text-muted);
  transition:color var(--transition-base);
}
.footer-bottom a:hover{color:var(--accent-gold)}

/* Fixed bar */
.fixed-bar{
  position:fixed;
  bottom:0;left:0;right:0;
  height:64px;
  background:rgba(11,10,9,.88);
  border-top:1px solid rgba(201,169,110,.3);
  z-index:999;
  backdrop-filter:blur(8px);
  -webkit-backdrop-filter:blur(8px);
}
.fixed-bar .container{
  height:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.fixed-bar-text{
  font-size:15px;
  color:var(--text-primary);
  font-weight:600;
  letter-spacing:.03em;
}
.fixed-bar-text i{color:var(--accent-gold);margin-right:8px}
.fixed-bar .btn{
  padding:10px 24px;
  font-size:14px;
  border-radius:6px;
  flex-shrink:0;
}

/* Responsive */
@media (max-width:1024px){
  .scene-block{gap:32px}
  .modules-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{gap:24px}
  .stat-num{font-size:48px}
  .nav-links{gap:20px}
}

@media (max-width:768px){
  .container{padding:0 20px}
  .nav-links{
    position:fixed;
    top:72px;
    left:0;right:0;
    background:var(--bg-primary);
    flex-direction:column;
    align-items:stretch;
    padding:0 24px 24px;
    border-bottom:1px solid var(--border-subtle);
    transform:translateY(-120%);
    transition:transform .35s ease;
    z-index:999;
    box-shadow:0 20px 40px rgba(0,0,0,.4);
    max-height:calc(100vh - 72px);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateY(0)}
  .nav-links li{width:100%}
  .nav-links > li > a{
    display:block;
    padding:16px 0;
    border-bottom:1px solid var(--border-subtle);
    font-size:16px;
  }
  .nav-links > li > a::after{display:none}
  .nav-links > li > a.active{color:var(--accent-gold)}
  .nav-links > li.nav-cta{margin-top:16px}
  .nav-links > li.nav-cta a{
    background:var(--accent-gold);
    color:#0B0A09 !important;
    text-align:center;
    padding:14px 0 !important;
    border-radius:8px;
    border:none;
  }
  .hamburger{display:flex}
  .com-hero{padding:80px 0 72px}
  .com-hero h1{font-size:32px}
  .com-hero-lead{font-size:15px}
  .com-hero-actions{flex-direction:column;align-items:flex-start}
  .com-hero-actions .btn{width:100%}
  .section-head h2{font-size:28px}
  .section-head p{font-size:15px}
  .feature-item{
    grid-template-columns:1fr;
    gap:10px;
    padding:32px 16px;
  }
  .feature-item:hover{padding-left:24px}
  .feature-item h3{font-size:18px}
  .scene-block{
    grid-template-columns:1fr;
    gap:24px;
    margin-bottom:64px;
  }
  .scene-content h3{font-size:19px}
  .stats-grid{grid-template-columns:1fr;gap:32px}
  .stat-num{font-size:44px}
  .modules-grid{grid-template-columns:1fr;gap:20px}
  .com-cta{padding:80px 0 120px}
  .com-cta h2{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:36px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;text-align:center}
  .fixed-bar-text{font-size:13px}
  .fixed-bar .btn{padding:10px 18px;font-size:13px}
  .com-faq,.com-features,.com-scenes,.com-modules,.com-stats{padding:var(--space-section-mobile) 0}
}