/* roulang page: index */
:root {
  --primary: #b3122e;
  --primary-light: #d63447;
  --primary-dark: #8a0e22;
  --accent: #c9a96a;
  --dark: #131c2e;
  --dark-2: #1e2b3f;
  --bg: #f5f7fa;
  --bg-white: #ffffff;
  --text: #1e2b3f;
  --text-weak: #64748b;
  --border: #e6eaf0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(10,20,40,0.06);
  --shadow-lg: 0 12px 48px rgba(10,20,40,0.12);
  --font: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  --transition: all 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body { font-family: var(--font); color: var(--text); background: var(--bg); line-height: 1.7; font-size: 16px; -webkit-font-smoothing: antialiased; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; }
.row { max-width: 1210px; }
.container { max-width: 1210px; margin: 0 auto; padding: 0 24px; }

/* ===== 导航 ===== */
.site-header {
  position: fixed; top: 0; left: 0; right: 0; z-index: 1000;
  background: rgba(255,255,255,0.72);
  backdrop-filter: saturate(180%) blur(20px);
  -webkit-backdrop-filter: saturate(180%) blur(20px);
  border-bottom: 1px solid rgba(255,255,255,0.25);
  transition: var(--transition);
}
.site-header.scrolled {
  background: rgba(255,255,255,0.97);
  box-shadow: 0 4px 24px rgba(0,0,0,0.08);
  border-bottom-color: var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; position: relative; }
.brand {
  font-size: 24px; font-weight: 800; color: var(--dark); letter-spacing: 0.5px;
  display: flex; align-items: center; gap: 8px;
}
.brand i { color: var(--primary); font-size: 22px; }
.brand:hover { color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 6px; }
.nav-link {
  padding: 8px 18px; border-radius: 30px; font-size: 15px; font-weight: 500; color: var(--text);
  transition: var(--transition);
}
.nav-link:hover { color: var(--primary); background: rgba(179,18,46,0.06); }
.nav-link.active { background: var(--primary); color: #fff; }
.mobile-toggle { display: none; font-size: 22px; color: var(--text); padding: 6px 10px; border-radius: 8px; transition: var(--transition); }
.mobile-toggle:hover { background: rgba(0,0,0,0.05); }

/* ===== Hero ===== */
.hero {
  position: relative; min-height: 620px; display: flex; align-items: center;
  background: linear-gradient(135deg, rgba(10,18,32,0.88), rgba(24,36,58,0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff; padding: 140px 0 80px; overflow: hidden;
}
.hero::after {
  content: ''; position: absolute; bottom: -2px; left: 0; right: 0; height: 120px;
  background: linear-gradient(to top, var(--bg), transparent); z-index: 1;
}
.hero-inner { position: relative; z-index: 2; }
.hero-badge {
  display: inline-flex; align-items: center; gap: 8px; padding: 6px 18px;
  background: rgba(255,255,255,0.12); border: 1px solid rgba(255,255,255,0.25);
  border-radius: 30px; font-size: 14px; font-weight: 500; color: #f0d9a8; margin-bottom: 22px;
}
.hero-badge i { font-size: 12px; }
.hero h1 { font-size: 58px; line-height: 1.15; font-weight: 800; margin-bottom: 20px; letter-spacing: 1px; }
.hero h1 span { color: var(--accent); }
.hero p { font-size: 18px; max-width: 620px; color: rgba(255,255,255,0.88); margin-bottom: 34px; line-height: 1.8; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 30px; }
.btn {
  display: inline-flex; align-items: center; gap: 8px; padding: 13px 30px;
  border-radius: 30px; font-size: 15px; font-weight: 600; transition: var(--transition);
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 24px rgba(179,18,46,0.35); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 32px rgba(179,18,46,0.4); }
.btn-ghost { background: rgba(255,255,255,0.12); color: #fff; border: 1px solid rgba(255,255,255,0.35); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255,255,255,0.22); transform: translateY(-2px); }
.hero-meta { display: flex; flex-wrap: wrap; gap: 18px; font-size: 14px; color: rgba(255,255,255,0.7); }
.hero-meta span { display: inline-flex; align-items: center; gap: 6px; }
.hero-meta i { color: var(--accent); }

/* ===== 快讯条 ===== */
.ticker-bar { background: var(--dark-2); color: #fff; padding: 13px 0; border-bottom: 1px solid rgba(255,255,255,0.05); }
.ticker-inner { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.ticker-label { display: inline-flex; align-items: center; gap: 6px; background: var(--primary); padding: 4px 14px; border-radius: 20px; font-size: 13px; font-weight: 700; white-space: nowrap; }
.ticker-items { display: flex; gap: 30px; flex-wrap: wrap; font-size: 14px; color: rgba(255,255,255,0.85); }
.ticker-items span { display: inline-flex; align-items: center; gap: 6px; }
.ticker-items span::before { content: '•'; color: var(--accent); font-weight: bold; }

/* ===== 板块通用 ===== */
.section { padding: 80px 0; }
.section-alt { background: var(--bg-white); }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 50px; }
.section-tag { display: inline-block; padding: 5px 16px; background: rgba(179,18,46,0.08); color: var(--primary); border-radius: 20px; font-size: 13px; font-weight: 600; margin-bottom: 14px; letter-spacing: 0.5px; }
.section-head h2 { font-size: 34px; font-weight: 800; color: var(--dark); margin-bottom: 12px; line-height: 1.3; }
.section-head p { font-size: 16px; color: var(--text-weak); line-height: 1.8; }

/* ===== 平台介绍 ===== */
.intro-grid { display: grid; grid-template-columns: 1.1fr 0.9fr; gap: 50px; align-items: center; }
.intro-copy h3 { font-size: 26px; font-weight: 700; color: var(--dark); margin-bottom: 16px; line-height: 1.4; }
.intro-copy p { color: var(--text-weak); font-size: 15px; line-height: 1.9; margin-bottom: 28px; }
.intro-features { display: grid; grid-template-columns: 1fr 1fr; gap: 16px; }
.feature-item { display: flex; gap: 12px; align-items: flex-start; background: var(--bg); border-radius: var(--radius-sm); padding: 16px 18px; border: 1px solid var(--border); transition: var(--transition); }
.feature-item:hover { border-color: rgba(179,18,46,0.3); box-shadow: var(--shadow); transform: translateY(-2px); }
.feature-icon { width: 40px; height: 40px; border-radius: 10px; background: var(--primary); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; }
.feature-text h4 { font-size: 15px; font-weight: 600; color: var(--dark); margin-bottom: 3px; }
.feature-text p { font-size: 13px; color: var(--text-weak); margin-bottom: 0; line-height: 1.5; }
.intro-visual { position: relative; border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-lg); }
.intro-visual img { width: 100%; height: 380px; object-fit: cover; }
.intro-visual::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,18,32,0.6), transparent); }
.intro-visual .vis-badge { position: absolute; bottom: 18px; left: 18px; z-index: 2; background: rgba(255,255,255,0.92); color: var(--dark); padding: 8px 16px; border-radius: 20px; font-size: 13px; font-weight: 600; }

/* ===== 分类入口 ===== */
.cat-card {
  position: relative; border-radius: var(--radius); overflow: hidden; min-height: 320px;
  display: flex; align-items: flex-end; background: linear-gradient(135deg, rgba(10,18,32,0.85), rgba(30,43,63,0.5)), url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;
  color: #fff; padding: 34px; box-shadow: var(--shadow-lg); transition: var(--transition);
}
.cat-card:hover { transform: translateY(-4px); box-shadow: 0 18px 54px rgba(10,20,40,0.18); }
.cat-card .cat-content { position: relative; z-index: 2; }
.cat-card .cat-label { display: inline-block; padding: 4px 14px; background: var(--accent); color: var(--dark); border-radius: 20px; font-size: 12px; font-weight: 700; margin-bottom: 12px; }
.cat-card h3 { font-size: 24px; font-weight: 700; margin-bottom: 8px; }
.cat-card p { font-size: 14px; color: rgba(255,255,255,0.85); margin-bottom: 16px; max-width: 420px; }
.cat-card .cat-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 600; font-size: 14px; color: #fff; border-bottom: 2px solid var(--accent); padding-bottom: 2px; }
.cat-card .cat-link:hover { color: var(--accent); }

/* ===== 最新发布列表 ===== */
.news-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; }
.news-item {
  background: var(--bg-white); border-radius: var(--radius-sm); padding: 22px 24px;
  border: 1px solid var(--border); transition: var(--transition); display: flex; gap: 18px;
}
.news-item:hover { box-shadow: var(--shadow); transform: translateY(-2px); border-color: rgba(179,18,46,0.2); }
.news-item .news-icon { width: 48px; height: 48px; border-radius: 12px; background: rgba(179,18,46,0.08); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 18px; flex-shrink: 0; }
.news-info { flex: 1; }
.news-info .tag { display: inline-block; padding: 3px 12px; background: rgba(201,169,106,0.18); color: #8a6d2b; border-radius: 20px; font-size: 12px; font-weight: 600; margin-bottom: 8px; }
.news-info h3 { font-size: 17px; font-weight: 600; color: var(--dark); margin-bottom: 6px; line-height: 1.5; }
.news-info h3 a:hover { color: var(--primary); }
.news-info p { font-size: 14px; color: var(--text-weak); line-height: 1.6; margin-bottom: 6px; }
.news-info time { font-size: 12px; color: #94a3b8; }
.empty-tip { text-align: center; padding: 40px 20px; background: var(--bg-white); border-radius: var(--radius-sm); border: 1px dashed var(--border); color: var(--text-weak); font-size: 15px; grid-column: 1 / -1; }

/* ===== 数据统计 ===== */
.stats-section { background: linear-gradient(135deg, var(--dark) 0%, var(--dark-2) 100%); color: #fff; padding: 70px 0; }
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 30px; text-align: center; }
.stat-item { padding: 30px 16px; background: rgba(255,255,255,0.04); border-radius: var(--radius); border: 1px solid rgba(255,255,255,0.08); transition: var(--transition); }
.stat-item:hover { background: rgba(255,255,255,0.09); transform: translateY(-3px); }
.stat-num { font-size: 44px; font-weight: 800; color: var(--accent); line-height: 1.2; margin-bottom: 6px; }
.stat-label { font-size: 14px; color: rgba(255,255,255,0.7); }

/* ===== 热门推荐卡片 ===== */
.reco-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 22px; }
.reco-card { background: var(--bg-white); border-radius: var(--radius); overflow: hidden; border: 1px solid var(--border); transition: var(--transition); }
.reco-card:hover { box-shadow: var(--shadow-lg); transform: translateY(-5px); }
.reco-card .reco-img { position: relative; height: 150px; overflow: hidden; }
.reco-card .reco-img img { width: 100%; height: 100%; object-fit: cover; }
.reco-card .reco-img::after { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(10,18,32,0.35), transparent); }
.reco-card .reco-body { padding: 20px; }
.reco-card .reco-body h3 { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 8px; line-height: 1.4; }
.reco-card .reco-body p { font-size: 13px; color: var(--text-weak); line-height: 1.6; margin-bottom: 14px; }
.reco-card .reco-link { font-size: 13px; font-weight: 600; color: var(--primary); display: inline-flex; align-items: center; gap: 6px; }
.reco-card .reco-link:hover { gap: 10px; }

/* ===== 流程 ===== */
.steps-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.step-item { position: relative; text-align: center; padding: 28px 18px; background: var(--bg-white); border-radius: var(--radius); border: 1px solid var(--border); transition: var(--transition); }
.step-item:hover { box-shadow: var(--shadow); transform: translateY(-3px); }
.step-num { display: flex; align-items: center; justify-content: center; width: 42px; height: 42px; margin: 0 auto 16px; border-radius: 50%; background: var(--primary); color: #fff; font-weight: 700; font-size: 16px; box-shadow: 0 6px 18px rgba(179,18,46,0.3); }
.step-item h3 { font-size: 16px; font-weight: 600; color: var(--dark); margin-bottom: 8px; }
.step-item p { font-size: 13px; color: var(--text-weak); line-height: 1.6; }

/* ===== FAQ ===== */
.faq-list { max-width: 780px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border-radius: var(--radius-sm); border: 1px solid var(--border); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(179,18,46,0.25); box-shadow: var(--shadow); }
.faq-q { display: flex; align-items: center; gap: 12px; padding: 18px 24px; cursor: pointer; font-weight: 600; font-size: 16px; color: var(--dark); }
.faq-q i { color: var(--primary); flex-shrink: 0; }
.faq-q::after { content: '+'; margin-left: auto; font-size: 22px; color: var(--text-weak); transition: var(--transition); }
.faq-item.open .faq-q::after { transform: rotate(45deg); color: var(--primary); }
.faq-a { padding: 0 24px; max-height: 0; overflow: hidden; transition: max-height 0.35s ease; color: var(--text-weak); font-size: 15px; line-height: 1.8; }
.faq-item.open .faq-a { max-height: 300px; padding-bottom: 20px; padding-top: 0; }

/* ===== CTA ===== */
.cta-section { background: linear-gradient(135deg, rgba(10,18,32,0.92), rgba(30,43,63,0.88)), url('/assets/images/backpic/back-2.png') center/cover no-repeat; color: #fff; padding: 76px 0; text-align: center; }
.cta-inner h2 { font-size: 36px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.8); margin-bottom: 30px; max-width: 560px; margin-left: auto; margin-right: auto; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,0.7); padding: 56px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 36px; }
.footer-brand { font-size: 24px; font-weight: 800; color: #fff; margin-bottom: 12px; display: flex; align-items: center; gap: 8px; }
.footer-brand i { color: var(--primary-light); }
.footer-about p { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 320px; }
.footer-col h4 { font-size: 16px; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-col a { display: block; font-size: 14px; padding: 5px 0; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col a:hover { color: var(--accent); padding-left: 4px; }
.footer-bottom { border-top: 1px solid rgba(255,255,255,0.1); padding-top: 20px; display: flex; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: rgba(255,255,255,0.4); }

/* ===== 响应式 ===== */
@media screen and (max-width: 1024px) {
  .hero h1 { font-size: 44px; }
  .intro-grid { grid-template-columns: 1fr; gap: 30px; }
  .reco-grid { grid-template-columns: repeat(2, 1fr); }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .steps-grid { grid-template-columns: repeat(2, 1fr); }
}
@media screen and (max-width: 768px) {
  .main-nav { position: fixed; top: 68px; right: -280px; width: 260px; height: calc(100vh - 68px); background: #fff; flex-direction: column; padding: 30px 22px; gap: 12px; box-shadow: -8px 0 30px rgba(0,0,0,0.1); transition: right 0.35s ease; z-index: 999; align-items: flex-start; }
  .main-nav.open { right: 0; }
  .main-nav a { width: 100%; padding: 12px 16px; border-radius: 8px; }
  .main-nav a.active { background: var(--primary); }
  .mobile-toggle { display: block; }
  .hero { min-height: 540px; padding: 120px 0 60px; }
  .hero h1 { font-size: 34px; }
  .hero p { font-size: 15px; }
  .news-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .section { padding: 60px 0; }
}
@media screen and (max-width: 520px) {
  .hero h1 { font-size: 28px; }
  .hero-actions { flex-direction: column; gap: 10px; }
  .btn { width: 100%; justify-content: center; }
  .reco-grid { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 14px; }
  .steps-grid { grid-template-columns: 1fr; }
  .intro-features { grid-template-columns: 1fr; }
  .ticker-items { flex-direction: column; gap: 6px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}

/* roulang page: category1 */
:root {
  --primary: #b3261e;
  --primary-dark: #90201a;
  --primary-soft: #f9e9e7;
  --secondary: #0f2b46;
  --secondary-soft: #e9f0f7;
  --accent: #d4a017;
  --bg: #f8f7f4;
  --bg-alt: #ffffff;
  --text: #1f2a36;
  --text-weak: #66768a;
  --border: #e5e1da;
  --radius: 18px;
  --radius-sm: 10px;
  --shadow-sm: 0 2px 10px rgba(20, 30, 50, .06);
  --shadow-md: 0 12px 32px rgba(20, 30, 50, .10);
  --shadow-lg: 0 24px 60px rgba(20, 30, 50, .14);
  --nav-h: 76px;
  --transition: .28s cubic-bezier(.25, .8, .35, 1);
  --font-sans: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", system-ui, -apple-system, sans-serif;
}

*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  margin: 0;
  font-family: var(--font-sans);
  color: var(--text);
  background: var(--bg);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
a { color: inherit; text-decoration: none; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.grid-container { max-width: 1200px; }

/* ===== Header / Nav ===== */
.site-header {
  position: fixed;
  top: 0; left: 0; right: 0;
  z-index: 100;
  height: var(--nav-h);
  display: flex;
  align-items: center;
  background: rgba(255, 255, 255, .62);
  -webkit-backdrop-filter: blur(18px) saturate(160%);
  backdrop-filter: blur(18px) saturate(160%);
  border-bottom: 1px solid rgba(255, 255, 255, .35);
  box-shadow: 0 4px 22px rgba(20, 30, 50, .05);
  transition: background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled {
  background: rgba(255, 255, 255, .92);
  box-shadow: var(--shadow-sm);
  border-bottom-color: var(--border);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  width: 100%;
}
.brand-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 1.22rem;
  font-weight: 900;
  color: var(--secondary);
  letter-spacing: .5px;
  flex-shrink: 0;
}
.brand-logo i {
  color: var(--primary);
  font-size: 1.35rem;
}
.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
}
.nav-link {
  position: relative;
  padding: 10px 18px;
  border-radius: 10px;
  font-weight: 500;
  font-size: .94rem;
  color: var(--text);
  transition: all var(--transition);
  white-space: nowrap;
}
.nav-link:hover {
  color: var(--primary);
  background: rgba(179, 38, 30, .07);
}
.nav-link.active {
  color: var(--primary);
  font-weight: 700;
}
.nav-link.active::after {
  content: '';
  position: absolute;
  left: 18px;
  right: 18px;
  bottom: 5px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border: 1px solid var(--border);
  background: rgba(255, 255, 255, .8);
  border-radius: 12px;
  color: var(--text);
  font-size: 1.1rem;
  cursor: pointer;
  transition: all var(--transition);
}
.nav-toggle:hover {
  border-color: var(--primary);
  color: var(--primary);
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  min-height: 540px;
  display: flex;
  align-items: center;
  padding: calc(var(--nav-h) + 70px) 0 80px;
  background: linear-gradient(118deg, rgba(15, 43, 70, .92) 0%, rgba(24, 57, 88, .82) 45%, rgba(179, 38, 30, .25) 100%),
    url('/assets/images/backpic/back-2.png') center / cover no-repeat;
}
.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(700px 300px at 85% 20%, rgba(255,255,255,.10), transparent 70%);
  pointer-events: none;
}
.hero-content {
  position: relative;
  z-index: 2;
  max-width: 730px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .14);
  border: 1px solid rgba(255, 255, 255, .28);
  color: #fff;
  padding: 8px 18px;
  border-radius: 999px;
  font-size: .84rem;
  font-weight: 600;
  letter-spacing: .5px;
}
.hero-title {
  font-size: 2.9rem;
  font-weight: 900;
  color: #fff;
  line-height: 1.22;
  margin: 22px 0 18px;
  text-shadow: 0 2px 20px rgba(0, 0, 0, .2);
}
.hero-desc {
  color: rgba(255, 255, 255, .9);
  font-size: 1.1rem;
  max-width: 640px;
  line-height: 1.9;
}
.hero-actions {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
  margin-top: 34px;
}

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 13px 28px;
  border-radius: 999px;
  font-weight: 600;
  font-size: .95rem;
  border: none;
  cursor: pointer;
  transition: all var(--transition);
  line-height: 1;
}
.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 8px 24px rgba(179, 38, 30, .32);
}
.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-2px);
  box-shadow: 0 14px 32px rgba(179, 38, 30, .4);
}
.btn-light {
  background: #fff;
  color: var(--secondary);
  box-shadow: 0 8px 22px rgba(0, 0, 0, .12);
}
.btn-light:hover {
  transform: translateY(-2px);
  box-shadow: 0 14px 30px rgba(0, 0, 0, .18);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid var(--border);
  color: var(--text);
}
.btn-outline:hover {
  border-color: var(--primary);
  color: var(--primary);
  background: var(--primary-soft);
}
.btn-sm { padding: 10px 20px; font-size: .88rem; }

/* ===== Section ===== */
.section { padding: 88px 0; }
.section-alt { background: var(--bg-alt); }
.section-head {
  max-width: 720px;
  margin-bottom: 46px;
}
.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 7px 16px;
  background: var(--primary-soft);
  color: var(--primary);
  border-radius: 999px;
  font-size: .82rem;
  font-weight: 700;
  letter-spacing: .5px;
}
.section-title {
  font-size: 2rem;
  font-weight: 900;
  color: var(--secondary);
  line-height: 1.35;
  margin: 16px 0 12px;
}
.section-desc {
  color: var(--text-weak);
  font-size: 1rem;
  line-height: 1.9;
}

/* ===== Info Bar ===== */
.info-bar {
  background: var(--secondary);
  color: rgba(255, 255, 255, .92);
  padding: 20px 0;
  position: relative;
  z-index: 2;
  box-shadow: 0 8px 26px rgba(15, 43, 70, .22);
}
.info-bar-list {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 30px;
  align-items: center;
  justify-content: center;
  margin: 0;
  padding: 0;
  list-style: none;
}
.info-bar-list li {
  display: flex;
  align-items: center;
  gap: 9px;
  font-size: .92rem;
  font-weight: 500;
}
.info-bar-list i {
  color: #f0b84d;
  font-size: 1rem;
}

/* ===== Stats ===== */
.stats-section {
  padding: 76px 0;
  background: linear-gradient(180deg, var(--bg) 0%, var(--bg-alt) 100%);
}
.stat-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 30px 24px;
  text-align: center;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  margin-bottom: 20px;
}
.stat-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: rgba(179, 38, 30, .2);
}
.stat-num {
  font-size: 2.5rem;
  font-weight: 900;
  color: var(--primary);
  line-height: 1.1;
  display: block;
}
.stat-label {
  display: block;
  margin-top: 8px;
  color: var(--text-weak);
  font-size: .92rem;
  font-weight: 500;
}

/* ===== About / Why ===== */
.about-grid {
  display: flex;
  align-items: center;
  gap: 52px;
}
.about-media {
  flex: 1 1 44%;
  border-radius: 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
  position: relative;
}
.about-media img {
  width: 100%;
  height: 420px;
  object-fit: cover;
  transition: transform .55s ease;
}
.about-media:hover img {
  transform: scale(1.03);
}
.about-media::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(200deg, transparent 60%, rgba(15, 43, 70, .22));
  pointer-events: none;
}
.about-copy {
  flex: 1 1 56%;
}
.about-points {
  margin-top: 24px;
  display: grid;
  gap: 16px;
}
.about-point {
  display: flex;
  gap: 14px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 16px 18px;
  transition: all var(--transition);
}
.about-point:hover {
  border-color: rgba(179, 38, 30, .22);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}
.about-point i {
  font-size: 1.2rem;
  color: var(--primary);
  margin-top: 3px;
  flex-shrink: 0;
}
.about-point h4 {
  margin: 0 0 4px;
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
}
.about-point p {
  margin: 0;
  font-size: .92rem;
  color: var(--text-weak);
  line-height: 1.7;
}

/* ===== Steps ===== */
.steps-section {
  background: var(--secondary);
  color: #fff;
  position: relative;
  overflow: hidden;
}
.steps-section::before {
  content: '';
  position: absolute;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(179, 38, 30, .35), transparent 70%);
  top: -120px;
  right: -100px;
  pointer-events: none;
}
.steps-section .section-title { color: #fff; }
.steps-section .section-desc { color: rgba(255, 255, 255, .78); }
.step-card {
  background: rgba(255, 255, 255, .07);
  border: 1px solid rgba(255, 255, 255, .14);
  border-radius: 18px;
  padding: 30px 26px;
  height: calc(100% - 20px);
  margin-bottom: 20px;
  transition: all var(--transition);
  position: relative;
}
.step-card:hover {
  background: rgba(255, 255, 255, .13);
  transform: translateY(-5px);
  border-color: rgba(255, 255, 255, .28);
}
.step-num {
  font-size: 2.9rem;
  font-weight: 900;
  color: rgba(255, 255, 255, .28);
  line-height: 1;
  display: block;
  margin-bottom: 20px;
  transition: color var(--transition);
}
.step-card:hover .step-num {
  color: var(--accent);
}
.step-icon {
  width: 48px;
  height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: rgba(179, 38, 30, .9);
  border-radius: 14px;
  color: #fff;
  font-size: 1.2rem;
  margin-bottom: 18px;
}
.step-title {
  font-size: 1.05rem;
  font-weight: 700;
  margin-bottom: 10px;
  color: #fff;
}
.step-desc {
  font-size: .92rem;
  color: rgba(255, 255, 255, .78);
  line-height: 1.75;
  margin: 0;
}

/* ===== Resources ===== */
.resource-card {
  background: var(--bg-alt);
  border: 1px solid var(--border);
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-sm);
  transition: all var(--transition);
  display: flex;
  flex-direction: column;
  height: calc(100% - 20px);
  margin-bottom: 20px;
}
.resource-card:hover {
  transform: translateY(-8px);
  box-shadow: var(--shadow-md);
  border-color: rgba(179, 38, 30, .16);
}
.resource-thumb {
  position: relative;
  height: 190px;
  overflow: hidden;
}
.resource-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform .6s ease;
}
.resource-card:hover .resource-thumb img {
  transform: scale(1.06);
}
.resource-thumb::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(15, 43, 70, .35));
  pointer-events: none;
}
.resource-badge {
  position: absolute;
  left: 14px;
  top: 14px;
  z-index: 2;
  background: rgba(255, 255, 255, .95);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  color: var(--primary);
  font-size: .78rem;
  font-weight: 700;
  padding: 5px 12px;
  border-radius: 999px;
  box-shadow: var(--shadow-sm);
}
.resource-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}
.resource-body h3 {
  margin: 0 0 8px;
  font-size: 1.1rem;
  font-weight: 800;
  color: var(--secondary);
}
.resource-body p {
  margin: 0 0 18px;
  font-size: .92rem;
  color: var(--text-weak);
  line-height: 1.75;
  flex: 1;
}
.resource-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-weight: 700;
  font-size: .9rem;
  transition: gap var(--transition);
}
.resource-link:hover {
  gap: 14px;
  color: var(--primary-dark);
}

/* ===== FAQ ===== */
.faq-section {
  background: var(--bg-alt);
}
.faq-wrap {
  max-width: 860px;
}
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 16px;
  margin-bottom: 14px;
  overflow: hidden;
  transition: all var(--transition);
}
.faq-item.active {
  border-color: rgba(179, 38, 30, .28);
  box-shadow: var(--shadow-sm);
}
.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 1rem;
  font-weight: 700;
  color: var(--secondary);
  transition: color var(--transition);
}
.faq-question:hover {
  color: var(--primary);
}
.faq-question i {
  color: var(--primary);
  transition: transform .3s ease;
  flex-shrink: 0;
}
.faq-item.active .faq-question i {
  transform: rotate(45deg);
}
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height .32s ease;
}
.faq-answer p {
  margin: 0;
  padding: 0 24px 22px;
  color: var(--text-weak);
  font-size: .94rem;
  line-height: 1.85;
  border-top: 1px dashed var(--border);
  padding-top: 16px;
}

/* ===== CTA ===== */
.cta-section {
  position: relative;
  background: linear-gradient(120deg, var(--primary) 0%, #d54a3e 60%, #e3765d 100%);
  color: #fff;
  padding: 80px 0;
  overflow: hidden;
}
.cta-section::before {
  content: '';
  position: absolute;
  width: 300px;
  height: 300px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .16);
  top: -90px;
  right: 10%;
  pointer-events: none;
}
.cta-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 40px;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.cta-copy h2 {
  font-size: 1.8rem;
  font-weight: 900;
  margin: 0 0 12px;
  line-height: 1.35;
}
.cta-copy p {
  margin: 0;
  color: rgba(255, 255, 255, .88);
  max-width: 560px;
  font-size: 1rem;
}
.cta-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
}
.btn-white {
  background: #fff;
  color: var(--primary);
}
.btn-white:hover {
  background: var(--primary-soft);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(0, 0, 0, .2);
}
.btn-ghost-light {
  background: rgba(255, 255, 255, .15);
  border: 1.5px solid rgba(255, 255, 255, .55);
  color: #fff;
}
.btn-ghost-light:hover {
  background: rgba(255, 255, 255, .26);
  transform: translateY(-2px);
}

/* ===== Footer ===== */
.site-footer {
  background: #142434;
  color: rgba(255, 255, 255, .78);
  padding: 64px 0 20px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 40px;
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 1.3rem;
  font-weight: 900;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand i {
  color: #e06455;
}
.footer-about p {
  font-size: .92rem;
  line-height: 1.85;
  margin: 0;
  max-width: 330px;
}
.footer-col h4 {
  color: #fff;
  font-size: 1rem;
  font-weight: 700;
  margin: 0 0 18px;
}
.footer-col a {
  display: flex;
  align-items: center;
  gap: 8px;
  color: rgba(255, 255, 255, .72);
  font-size: .92rem;
  padding: 7px 0;
  transition: all var(--transition);
}
.footer-col a:hover {
  color: #fff;
  padding-left: 6px;
}
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, .12);
  padding-top: 22px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: .85rem;
  color: rgba(255, 255, 255, .5);
}

/* ===== Foundation Override ===== */
.grid-margin-x > .cell { margin-bottom: 0; }
.cell { padding-left: 0; }
.grid-margin-x > .cell { margin-left: 0; margin-right: 0; padding-left: 10px; padding-right: 10px; }

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .hero-title { font-size: 2.4rem; }
  .about-grid { gap: 30px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .info-bar-list { gap: 10px 20px; }
}
@media (max-width: 860px) {
  .nav-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }
  .main-nav {
    position: fixed;
    top: calc(var(--nav-h) + 10px);
    left: 16px;
    right: 16px;
    background: #fff;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    border-radius: 18px;
    padding: 14px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    opacity: 0;
    transform: translateY(-10px);
    pointer-events: none;
    transition: all .25s ease;
    z-index: 99;
  }
  .main-nav.open {
    opacity: 1;
    transform: translateY(0);
    pointer-events: auto;
  }
  .nav-link {
    padding: 14px 18px;
    border-radius: 12px;
  }
  .nav-link.active::after {
    display: none;
  }
  .nav-link.active {
    background: var(--primary-soft);
    color: var(--primary);
  }
  .page-hero {
    min-height: 480px;
    padding-top: calc(var(--nav-h) + 46px);
    padding-bottom: 56px;
  }
  .hero-title { font-size: 2rem; }
  .section { padding: 64px 0; }
  .about-grid { flex-direction: column; }
  .about-media { width: 100%; }
  .about-media img { height: 300px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
  .footer-grid { grid-template-columns: 1fr; gap: 30px; }
}
@media (max-width: 520px) {
  .header-inner { padding: 0 4px; }
  .brand-logo { font-size: 1.08rem; }
  .hero-title { font-size: 1.72rem; }
  .hero-desc { font-size: .98rem; }
  .hero-actions .btn { width: 100%; justify-content: center; }
  .section-title { font-size: 1.55rem; }
  .info-bar-list { flex-direction: column; align-items: flex-start; }
  .about-media img { height: 220px; }
  .step-card { padding: 24px 20px; }
  .resource-body h3 { font-size: 1rem; }
  .faq-question { padding: 17px 18px; font-size: .95rem; }
  .footer-bottom { flex-direction: column; }
  .stat-num { font-size: 2rem; }
}

@media (prefers-reduced-motion: reduce) {
  *, *::before, *::after {
    animation-duration: .01ms !important;
    transition-duration: .01ms !important;
  }
  html { scroll-behavior: auto; }
}

/* roulang page: article */
:root{
  --primary:#C8102E;
  --primary-dark:#9C0D24;
  --primary-soft:rgba(200,16,46,.08);
  --gold:#C9A96A;
  --ink:#17171F;
  --ink-soft:#3E3E48;
  --muted:#82828E;
  --line:#E6E4E0;
  --paper:#F6F4F0;
  --white:#FFFFFF;
  --radius-sm:8px;
  --radius-md:14px;
  --radius-lg:24px;
  --shadow-sm:0 2px 12px rgba(23,23,31,.05);
  --shadow-md:0 8px 32px rgba(23,23,31,.08);
  --shadow-lg:0 24px 64px rgba(23,23,31,.14);
  --font:"PingFang SC","Microsoft YaHei","Segoe UI","Helvetica Neue",Arial,sans-serif;
  --transition:.25s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:var(--font);
  color:var(--ink-soft);
  background:var(--paper);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:var(--primary)}
button{font-family:inherit;border:none;background:none;cursor:pointer}
ul,ol{list-style:none}
.container{
  width:100%;
  max-width:1280px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
.grid-container{max-width:1280px}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--primary);
  background:var(--primary-soft);
  padding:6px 16px;
  border-radius:100px;
  margin-bottom:14px;
}
.section-tag i{font-size:12px}
.btn-primary,.btn-outline,.btn-back{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  padding:13px 28px;
  border-radius:100px;
  transition:all var(--transition);
  cursor:pointer;
  line-height:1.4;
}
.btn-primary{
  background:linear-gradient(135deg,#D8132F 0%,#9C0D24 100%);
  color:#fff;
  border:none;
  box-shadow:0 4px 18px rgba(200,16,46,.3);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 8px 28px rgba(200,16,46,.4);
  color:#fff;
}
.btn-primary:active{transform:translateY(0)}
.btn-outline{
  background:transparent;
  color:var(--ink);
  border:1.5px solid var(--line);
}
.btn-outline:hover{
  border-color:var(--primary);
  color:var(--primary);
  background:var(--primary-soft);
  transform:translateY(-2px);
}
.btn-outline:active{transform:translateY(0)}
.btn-back{
  background:var(--paper);
  color:var(--ink-soft);
  border:1px solid var(--line);
  font-size:14px;
  padding:10px 22px;
}
.btn-back:hover{
  background:var(--primary-soft);
  color:var(--primary);
  border-color:var(--primary);
}
.btn-large{padding:16px 38px;font-size:16px}
.btn-block{width:100%}
:focus-visible{
  outline:3px solid rgba(200,16,46,.4);
  outline-offset:2px;
  border-radius:4px;
}
/* Header */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:1000;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border-bottom:1px solid rgba(255,255,255,.2);
  transition:background .35s ease,box-shadow .35s ease,border-color .35s ease;
}
.site-header.scrolled{
  background:rgba(255,255,255,.92);
  box-shadow:0 4px 24px rgba(23,23,31,.08);
  border-bottom-color:rgba(230,228,224,.8);
}
.header-row{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
}
.brand-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.02em;
  white-space:nowrap;
  transition:color .2s;
}
.brand-logo i{
  width:42px;height:42px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#D8132F,#9C0D24);
  color:#fff;
  font-size:17px;
  border-radius:12px;
  box-shadow:0 4px 14px rgba(200,16,46,.35);
}
.brand-logo span{color:var(--primary)}
.brand-logo:hover{color:var(--primary)}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:500;
  color:var(--ink-soft);
  padding:10px 18px;
  border-radius:100px;
  transition:all var(--transition);
  white-space:nowrap;
}
.nav-link i{font-size:14px;opacity:.8}
.nav-link:hover{
  color:var(--primary);
  background:var(--primary-soft);
}
.nav-link.active{
  color:var(--primary);
  background:var(--primary-soft);
  font-weight:600;
}
.nav-link.active::after{
  content:'';
  position:absolute;
  bottom:4px;left:50%;
  transform:translateX(-50%);
  width:18px;height:3px;
  background:var(--primary);
  border-radius:2px;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:10px;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
  background:var(--primary-soft);
  transition:background .2s;
}
.nav-toggle .bar{
  display:block;
  width:20px;height:2px;
  background:var(--ink);
  border-radius:2px;
  transition:all .3s ease;
}
.nav-toggle.open .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle.open .bar:nth-child(2){opacity:0}
.nav-toggle.open .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
/* Banner */
.page-banner{
  position:relative;
  padding:170px 0 76px;
  background:#17171F;
  color:#fff;
  overflow:hidden;
}
.page-banner::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(115deg,rgba(23,23,31,.94) 0%,rgba(156,13,36,.58) 48%,rgba(23,23,31,.88) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.page-banner::after{
  content:'';
  position:absolute;
  bottom:-1px;left:0;right:0;height:60px;
  background:linear-gradient(to bottom,transparent,var(--paper));
  z-index:1;
}
.banner-inner{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:14px;
  color:rgba(255,255,255,.75);
  margin-bottom:22px;
}
.breadcrumb a{color:rgba(255,255,255,.75);transition:color .2s}
.breadcrumb a:hover{color:var(--gold)}
.breadcrumb .sep{font-size:9px;opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.95);font-weight:500}
.banner-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  text-transform:uppercase;
  background:rgba(255,255,255,.12);
  backdrop-filter:blur(8px);
  padding:7px 18px;
  border-radius:100px;
  margin-bottom:18px;
  border:1px solid rgba(255,255,255,.16);
}
.banner-tag i{color:var(--gold)}
.banner-title{
  font-size:42px;
  line-height:1.2;
  font-weight:800;
  letter-spacing:-.02em;
  max-width:820px;
  margin-bottom:14px;
  text-shadow:0 2px 20px rgba(0,0,0,.3);
  overflow-wrap:break-word;
}
.banner-desc{
  font-size:16px;
  line-height:1.7;
  color:rgba(255,255,255,.85);
  max-width:680px;
  margin-bottom:0;
}
/* Article Section */
.article-section{
  padding:56px 0 80px;
}
.article-card{
  background:var(--white);
  border-radius:var(--radius-lg);
  border:1px solid var(--line);
  box-shadow:var(--shadow-sm);
  padding:48px 52px;
  position:relative;
}
.article-card::before{
  content:'';
  position:absolute;
  top:0;left:48px;right:48px;height:4px;
  background:linear-gradient(90deg,var(--primary),var(--gold));
  border-radius:0 0 4px 4px;
}
.article-head{
  margin-bottom:36px;
  padding-bottom:28px;
  border-bottom:1px solid var(--line);
}
.article-head .article-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  font-weight:700;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--primary);
  background:var(--primary-soft);
  padding:5px 14px;
  border-radius:100px;
  margin-bottom:16px;
}
.article-head h1{
  font-size:30px;
  line-height:1.3;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  margin-bottom:16px;
}
.article-meta{
  display:flex;
  align-items:center;
  gap:20px;
  flex-wrap:wrap;
  font-size:14px;
  color:var(--muted);
}
.article-meta span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}
.article-meta i{font-size:13px;color:var(--primary)}
.article-meta .meta-cat{
  background:var(--paper);
  color:var(--ink-soft);
  padding:4px 12px;
  border-radius:100px;
  font-size:13px;
}
.article-body{
  font-size:16px;
  line-height:1.85;
  color:var(--ink-soft);
}
.article-body > p{margin-bottom:1.6rem}
.article-body h2{
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  margin:2.6rem 0 1.2rem;
  padding-bottom:.6rem;
  border-bottom:2px solid var(--primary);
  display:inline-block;
}
.article-body h3{
  font-size:19px;
  font-weight:600;
  color:var(--ink);
  margin:2.2rem 0 1rem;
}
.article-body img{
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-md);
  margin:1.8rem auto;
  max-width:100%;
}
.article-body a{color:var(--primary);font-weight:500;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body ul,.article-body ol{margin:1.2rem 0 1.8rem;padding-left:1.6rem}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.55rem}
.article-body blockquote{
  border-left:4px solid var(--primary);
  background:var(--paper);
  padding:1.2rem 1.6rem;
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  margin:1.8rem 0;
  font-style:italic;
  color:var(--ink-soft);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  background:var(--paper);
  border:1px solid var(--line);
  padding:2px 8px;
  border-radius:5px;
  font-size:14px;
  font-family:ui-monospace,SFMono-Regular,Menlo,monospace;
}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:1.8rem 0;
}
.article-body th,.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
  font-size:15px;
}
.article-body th{background:var(--paper);font-weight:600;color:var(--ink)}
.article-footer{
  margin-top:36px;
  padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:14px;
}
.article-footer .footer-note{
  font-size:13px;
  color:var(--muted);
  display:inline-flex;
  align-items:center;
  gap:6px;
}
/* Not Found */
.not-found{
  text-align:center;
  padding:48px 20px;
}
.not-found-icon{
  width:88px;height:88px;
  margin:0 auto 24px;
  display:flex;
  align-items:center;
  justify-content:center;
  border-radius:50%;
  background:var(--paper);
  color:var(--muted);
  font-size:34px;
  border:1px solid var(--line);
}
.not-found h2{
  font-size:26px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:10px;
}
.not-found p{
  color:var(--muted);
  margin-bottom:26px;
}
/* Sidebar */
.article-sidebar{
  display:flex;
  flex-direction:column;
  gap:24px;
  position:sticky;
  top:100px;
}
.sidebar-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  padding:24px;
  transition:box-shadow var(--transition);
}
.sidebar-card:hover{box-shadow:var(--shadow-md)}
.sidebar-title{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
  padding-bottom:12px;
  border-bottom:1px solid var(--line);
}
.sidebar-title i{color:var(--primary);font-size:14px}
.sidebar-list li+li{border-top:1px solid var(--line)}
.sidebar-link{
  display:flex;
  align-items:center;
  gap:10px;
  padding:11px 4px;
  font-size:14px;
  color:var(--ink-soft);
  transition:all .2s;
  border-radius:6px;
}
.sidebar-link i{
  width:28px;height:28px;
  flex-shrink:0;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:var(--paper);
  border-radius:8px;
  font-size:12px;
  color:var(--primary);
  transition:background .2s,color .2s;
}
.sidebar-link:hover{
  color:var(--primary);
  background:var(--primary-soft);
  padding-left:10px;
}
.sidebar-link:hover i{background:#fff;color:var(--primary)}
.sidebar-card-img{
  padding:0;
  overflow:hidden;
  border:none;
  position:relative;
}
.sidebar-card-img img{
  width:100%;
  height:150px;
  object-fit:cover;
}
.sidebar-card-img .img-body{
  padding:20px 22px 24px;
}
.sidebar-card-img h3{
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.sidebar-card-img p{
  font-size:13px;
  color:var(--muted);
  line-height:1.6;
  margin-bottom:16px;
}
.sidebar-tip{
  background:linear-gradient(135deg,rgba(200,16,46,.05),rgba(201,169,106,.07));
  border-color:rgba(200,16,46,.15);
}
.sidebar-tip .tip-item{
  display:flex;
  gap:12px;
  margin-bottom:14px;
  font-size:14px;
}
.sidebar-tip .tip-item:last-child{margin-bottom:0}
.sidebar-tip .tip-icon{
  flex-shrink:0;
  width:30px;height:30px;
  display:flex;
  align-items:center;
  justify-content:center;
  background:#fff;
  border-radius:50%;
  font-size:13px;
  color:var(--primary);
  box-shadow:var(--shadow-sm);
}
/* FAQ */
.faq-section{
  padding:80px 0;
  background:var(--white);
  border-top:1px solid var(--line);
}
.faq-section .section-header{text-align:center;margin-bottom:44px}
.faq-section .section-header h2{
  font-size:30px;
  font-weight:800;
  color:var(--ink);
  letter-spacing:-.01em;
  margin-bottom:10px;
}
.faq-section .section-header p{color:var(--muted);font-size:15px}
.faq-accordion.accordion{
  background:transparent;
  border:none;
  margin:0;
}
.faq-accordion .accordion-item{
  background:var(--paper);
  border:1px solid var(--line);
  border-radius:var(--radius-md);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow var(--transition),border-color var(--transition);
}
.faq-accordion .accordion-item:hover{
  border-color:rgba(200,16,46,.25);
  box-shadow:var(--shadow-sm);
}
.faq-accordion .accordion-item.is-active{
  border-color:var(--primary);
  box-shadow:0 4px 20px rgba(200,16,46,.08);
}
.faq-accordion .accordion-title{
  background:transparent;
  border:none;
  color:var(--ink);
  font-weight:600;
  font-size:16px;
  padding:20px 26px;
  display:flex;
  align-items:center;
  gap:12px;
  position:relative;
  transition:background .2s,color .2s;
}
.faq-accordion .accordion-title::before{
  content:'\f059';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  font-size:15px;
  color:var(--primary);
  width:26px;
  flex-shrink:0;
}
.faq-accordion .accordion-title:hover,
.faq-accordion .accordion-title:focus{
  background:rgba(200,16,46,.04);
  color:var(--primary);
}
.faq-accordion .accordion-title::after{
  content:'\f078' !important;
  font-family:'Font Awesome 6 Free' !important;
  font-weight:900 !important;
  position:absolute;
  right:24px;
  top:50%;
  transform:translateY(-50%);
  font-size:13px !important;
  color:var(--muted);
  transition:transform .3s ease;
}
.faq-accordion .accordion-item.is-active > .accordion-title::after{
  transform:translateY(-50%) rotate(180deg);
  color:var(--primary);
}
.faq-accordion .accordion-content{
  background:transparent;
  border:none;
  color:var(--ink-soft);
  font-size:15px;
  line-height:1.8;
  padding:4px 26px 22px 64px;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}
/* CTA */
.cta-section{
  position:relative;
  padding:90px 0;
  background:#17171F;
  color:#fff;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  inset:0;
  background-image:
    linear-gradient(112deg,rgba(156,13,36,.82) 0%,rgba(23,23,31,.9) 70%),
    url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  z-index:0;
}
.cta-section::after{
  content:'';
  position:absolute;
  top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.2),transparent);
}
.cta-content{
  position:relative;
  z-index:2;
  text-align:center;
  max-width:720px;
  margin:0 auto;
}
.cta-content .cta-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.1em;
  text-transform:uppercase;
  color:var(--gold);
  background:rgba(255,255,255,.1);
  padding:6px 18px;
  border-radius:100px;
  margin-bottom:20px;
  border:1px solid rgba(255,255,255,.14);
}
.cta-content h2{
  font-size:32px;
  font-weight:800;
  margin-bottom:12px;
  letter-spacing:-.01em;
}
.cta-content p{
  font-size:16px;
  color:rgba(255,255,255,.85);
  margin-bottom:28px;
  line-height:1.7;
}
.cta-btns{
  display:flex;
  gap:14px;
  justify-content:center;
  flex-wrap:wrap;
}
.cta-btns .btn-primary{
  background:#fff;
  color:var(--primary-dark);
  box-shadow:0 8px 30px rgba(0,0,0,.2);
}
.cta-btns .btn-primary:hover{
  transform:translateY(-3px);
  box-shadow:0 12px 36px rgba(0,0,0,.3);
  background:var(--gold);
  color:var(--ink);
}
.cta-btns .btn-ghost{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:#fff;
  padding:13px 28px;
  border-radius:100px;
  border:1.5px solid rgba(255,255,255,.4);
  transition:all var(--transition);
  background:transparent;
}
.cta-btns .btn-ghost:hover{
  background:rgba(255,255,255,.12);
  border-color:#fff;
  transform:translateY(-2px);
}
/* Footer */
.site-footer{
  background:#17171F;
  color:rgba(255,255,255,.7);
  padding:64px 0 0;
  border-top:3px solid var(--primary);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1.2fr;
  gap:48px;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.1);
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:800;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand i{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:linear-gradient(135deg,#D8132F,#9C0D24);
  color:#fff;
  border-radius:10px;
  font-size:16px;
}
.footer-about p{
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.6);
  max-width:360px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  bottom:0;left:0;
  width:28px;height:2px;
  background:var(--primary);
  border-radius:2px;
}
.footer-col a{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:rgba(255,255,255,.6);
  margin-bottom:12px;
  transition:color .2s,padding-left .2s;
}
.footer-col a i{font-size:13px;color:var(--gold)}
.footer-col a:hover{
  color:var(--gold);
  padding-left:4px;
}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:10px;
  padding:24px 0;
  font-size:13px;
  color:rgba(255,255,255,.4);
}
/* Media Queries */
@media screen and (max-width:1024px){
  .banner-title{font-size:34px}
  .article-card{padding:40px 36px}
  .article-sidebar{
    position:static;
    margin-top:36px;
    gap:20px;
  }
  .footer-grid{
    grid-template-columns:1fr 1fr;
    gap:36px;
  }
}
@media screen and (max-width:767px){
  .nav-toggle{
    display:inline-flex;
  }
  .main-nav{
    position:absolute;
    top:76px;left:12px;right:12px;
    background:rgba(255,255,255,.98);
    backdrop-filter:blur(20px);
    border:1px solid var(--line);
    border-radius:var(--radius-md);
    box-shadow:var(--shadow-lg);
    padding:12px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    display:none;
    max-height:calc(100vh - 100px);
    overflow-y:auto;
    animation:navIn .25s ease;
  }
  .main-nav.open{display:flex}
  @keyframes navIn{
    from{opacity:0;transform:translateY(-8px)}
    to{opacity:1;transform:translateY(0)}
  }
  .nav-link{
    padding:14px 18px;
    font-size:16px;
    border-radius:10px;
  }
  .nav-link.active::after{display:none}
  .nav-link.active{
    background:var(--primary-soft);
    color:var(--primary);
  }
  .page-banner{padding:130px 0 60px}
  .banner-title{font-size:27px}
  .banner-desc{font-size:15px}
  .article-section{padding:32px 0 60px}
  .article-card{
    padding:28px 22px;
    border-radius:18px;
  }
  .article-card::before{left:20px;right:20px}
  .article-head h1{font-size:23px}
  .article-meta{gap:12px;font-size:13px}
  .article-body{font-size:15px}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17px}
  .faq-section{padding:56px 0}
  .faq-section .section-header h2{font-size:24px}
  .faq-accordion .accordion-title{font-size:15px;padding:16px 20px}
  .faq-accordion .accordion-content{padding:2px 20px 18px;font-size:14px}
  .cta-section{padding:64px 0}
  .cta-content h2{font-size:24px}
  .cta-content p{font-size:14px}
  .cta-btns .btn-primary,.cta-btns .btn-ghost{padding:12px 20px;font-size:14px}
  .footer-grid{
    grid-template-columns:1fr;
    gap:32px;
  }
  .footer-bottom{
    flex-direction:column;
    text-align:center;
  }
}
@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px}
  .brand-logo{font-size:19px}
  .brand-logo i{width:36px;height:36px;font-size:14px;border-radius:10px}
  .header-row{height:68px}
  .main-nav{top:68px}
  .page-banner{padding:110px 0 50px}
  .banner-title{font-size:22px}
  .banner-tag{font-size:12px;padding:6px 14px}
  .breadcrumb{font-size:13px}
  .article-card{padding:24px 16px}
  .article-head h1{font-size:20px}
  .article-body{font-size:14px;line-height:1.8}
  .article-footer{flex-direction:column;align-items:flex-start}
  .article-meta{flex-direction:column;align-items:flex-start;gap:8px}
  .sidebar-card{padding:18px}
  .cta-btns{flex-direction:column;width:100%}
  .cta-btns .btn-primary,.cta-btns .btn-ghost{width:100%}
}