/* roulang page: index */
:root {
  --primary: #0E7C7B;
  --primary-dark: #0A5F5E;
  --primary-light: #E6F3F2;
  --accent: #FF6B4A;
  --accent-dark: #E85A3E;
  --accent-light: #FFF0EB;
  --bg: #F5F7F6;
  --card-bg: #FFFFFF;
  --text: #1B2A29;
  --text-secondary: #5D6B6A;
  --border: #DEE6E4;
  --dark: #0A2B2A;
  --gold: #F4B740;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(11,43,42,.06);
  --shadow-hover: 0 8px 24px rgba(11,43,42,.12);
  --shadow-nav: 0 2px 12px rgba(11,43,42,.08);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
  --space-lg: 80px;
  --space-md: 56px;
  --space-sm: 40px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--accent); }
button, input { font-family: inherit; }
.container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.section { padding: 80px 0; position: relative; }
.section-head { margin-bottom: 48px; }
.section-eyebrow {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  color: var(--primary);
  background: var(--primary-light);
  padding: 4px 14px;
  border-radius: var(--radius-tag);
  margin-bottom: 12px;
}
.section-title { font-size: 32px; font-weight: 800; line-height: 1.3; color: var(--text); }
.section-sub { font-size: 16px; color: var(--text-secondary); margin-top: 8px; max-width: 640px; }

/* ===== 双层导航 ===== */
.site-header {
  background: #fff;
  border-bottom: 1px solid var(--border);
  position: relative;
  z-index: 1000;
}
.top-bar {
  display: flex;
  align-items: center;
  gap: 24px;
  padding: 12px 0;
  max-width: 1200px;
  margin: 0 auto;
  width: 100%;
  padding-left: 24px;
  padding-right: 24px;
}
.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-dark) 60%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 10px rgba(14,124,123,.25);
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  white-space: nowrap;
}
.brand-text span { color: var(--primary); }
.top-search { flex: 1; max-width: 360px; margin: 0 auto; }
.top-search .form-control {
  border-radius: var(--radius-tag);
  border: 1px solid var(--border);
  padding: 9px 20px 9px 38px;
  font-size: 14px;
  background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%239AA3A2' stroke-width='2' stroke-linecap='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='m20 20-3.5-3.5'/%3E%3C/svg%3E") left 14px center / 16px 16px no-repeat;
}
.top-search .form-control:focus {
  background-color: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14,124,123,.15);
}
.top-actions { display: flex; align-items: center; gap: 12px; flex-shrink: 0; }
.btn-brand {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 9px 20px;
  font-weight: 600;
  font-size: 14px;
  transition: all .25s;
}
.btn-brand:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 4px 14px rgba(255,107,74,.3); }
.btn-brand:focus-visible, .btn-outline:focus-visible { outline: 2px solid var(--primary); outline-offset: 2px; }
.btn-outline {
  background: transparent;
  color: var(--primary);
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  padding: 9px 18px;
  font-weight: 600;
  font-size: 14px;
  transition: all .25s;
}
.btn-outline:hover { background: rgba(14,124,123,.08); color: var(--primary-dark); }
.channel-bar {
  background: #fff;
  border-top: 1px solid var(--border);
  position: sticky;
  top: 0;
  z-index: 999;
}
.channel-list {
  display: flex;
  gap: 8px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
  padding: 8px 24px;
  max-width: 1200px;
  margin: 0 auto;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-block;
  padding: 6px 18px;
  border-radius: var(--radius-tag);
  font-size: 14px;
  font-weight: 500;
  color: var(--text-secondary);
  background: #F0F2F1;
  white-space: nowrap;
  transition: all .25s;
}
.channel-link:hover { background: var(--primary-light); color: var(--primary); }
.channel-link.active { background: var(--primary); color: #fff; font-weight: 600; }

/* ===== Hero ===== */
.hero {
  background: linear-gradient(120deg, rgba(10,43,42,.94) 30%, rgba(14,124,123,.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 96px 0 80px;
  position: relative;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  right: -160px;
  bottom: -160px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.08);
  background: radial-gradient(circle, transparent 60%, rgba(255,255,255,.03) 60%);
}
.hero .container { position: relative; z-index: 2; }
.hero-badge {
  display: inline-block;
  background: rgba(255,255,255,.12);
  backdrop-filter: blur(4px);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 18px;
  border-radius: var(--radius-tag);
  margin-bottom: 20px;
  border: 1px solid rgba(255,255,255,.15);
}
.hero h1 {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  color: #fff;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
}
.hero h1 em { font-style: normal; color: #7DD8D0; }
.hero-lead { font-size: 17px; color: rgba(255,255,255,.85); max-width: 560px; line-height: 1.8; margin-bottom: 32px; }
.hero-btns { display: flex; gap: 14px; flex-wrap: wrap; }
.btn-primary-lg {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 13px 28px;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-primary-lg:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(255,107,74,.35); }
.btn-ghost-lg {
  background: transparent;
  color: #fff;
  border: 1px solid rgba(255,255,255,.4);
  border-radius: var(--radius-btn);
  padding: 13px 28px;
  font-weight: 600;
  font-size: 15px;
  transition: all .25s;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.btn-ghost-lg:hover { background: rgba(255,255,255,.1); color: #fff; border-color: rgba(255,255,255,.7); }
.hero-stats {
  display: flex;
  gap: 32px;
  margin-top: 56px;
  flex-wrap: wrap;
}
.hero-stat-item { padding-right: 32px; border-right: 1px solid rgba(255,255,255,.15); }
.hero-stat-item:last-child { border-right: none; padding-right: 0; }
.hero-stat-num {
  font-size: 28px;
  font-weight: 800;
  color: #fff;
  font-variant-numeric: tabular-nums;
  line-height: 1.2;
}
.hero-stat-label { font-size: 13px; color: rgba(255,255,255,.6); margin-top: 4px; }

/* ===== 特色/解决方案区 ===== */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 60px; align-items: center; }
.feature-row + .feature-row { margin-top: 72px; }
.feature-media { border-radius: var(--radius-card); overflow: hidden; box-shadow: var(--shadow-card); }
.feature-media img { width: 100%; height: 100%; object-fit: cover; min-height: 260px; transition: transform .5s ease; }
.feature-media:hover img { transform: scale(1.03); }
.feature-content .feature-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  border-radius: var(--radius-tag);
  padding: 4px 14px;
  margin-bottom: 14px;
}
.feature-content h3 { font-size: 26px; font-weight: 800; margin-bottom: 12px; line-height: 1.4; }
.feature-content p { color: var(--text-secondary); line-height: 1.8; margin-bottom: 18px; }
.feature-list { list-style: none; padding: 0; margin: 0 0 20px; }
.feature-list li { padding: 5px 0; color: var(--text-secondary); display: flex; align-items: center; gap: 10px; }
.feature-list li i { color: var(--primary); font-size: 14px; }
.feature-link { font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }

/* ===== 数据统计区 ===== */
.stats-band { background: var(--dark); padding: 64px 0; position: relative; overflow: hidden; }
.stats-band::before {
  content: '';
  position: absolute;
  top: 0; left: 0; right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--gold), var(--primary));
  background-size: 300% 100%;
  animation: gradientMove 6s linear infinite;
}
@keyframes gradientMove { 0% { background-position: 0% 0%; } 100% { background-position: 300% 0%; } }
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; }
.stat-num { font-size: 40px; font-weight: 800; color: #fff; font-variant-numeric: tabular-nums; line-height: 1.2; }
.stat-num em { font-style: normal; color: var(--gold); font-size: 24px; margin-left: 2px; }
.stat-label { color: rgba(255,255,255,.65); font-size: 14px; margin-top: 8px; }
.stat-desc { color: rgba(255,255,255,.45); font-size: 12px; margin-top: 4px; }

/* ===== 证言区 ===== */
.testimonial-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 24px; }
.testimonial-main {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 36px;
  box-shadow: var(--shadow-card);
  border-left: 4px solid var(--primary);
  display: flex;
  flex-direction: column;
  justify-content: center;
}
.testimonial-main .quote-icon { font-size: 32px; color: var(--primary-light); margin-bottom: 12px; }
.testimonial-main blockquote { font-size: 20px; line-height: 1.7; color: var(--text); font-weight: 500; border: none; padding: 0; margin-bottom: 20px; }
.testimonial-main .t-author { font-weight: 700; color: var(--primary); }
.testimonial-main .t-role { font-size: 13px; color: var(--text-secondary); }
.testimonial-side { display: flex; flex-direction: column; gap: 16px; }
.testimonial-small {
  background: var(--card-bg);
  border-radius: 14px;
  padding: 22px 24px;
  box-shadow: var(--shadow-card);
  flex: 1;
  transition: box-shadow .25s;
}
.testimonial-small:hover { box-shadow: var(--shadow-hover); }
.testimonial-small p { font-size: 15px; color: var(--text-secondary); margin-bottom: 10px; line-height: 1.7; }
.testimonial-small .t-author { font-size: 13px; font-weight: 700; color: var(--text); }

/* ===== CMS 最新资讯区 ===== */
.latest-news-section { background: #fff; }
.latest-layout { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; align-items: start; }
.featured-post {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  overflow: hidden;
  transition: box-shadow .3s;
  height: 100%;
}
.featured-post:hover { box-shadow: var(--shadow-hover); }
.featured-post .post-cover { display: block; overflow: hidden; aspect-ratio: 16/9; }
.featured-post .post-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s; }
.featured-post:hover .post-cover img { transform: scale(1.04); }
.featured-post .post-body { padding: 24px; }
.badge-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 12px;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: var(--radius-tag);
  margin-bottom: 10px;
}
.badge-hot { background: var(--accent-light); color: var(--accent-dark); }
.featured-post h3 { font-size: 18px; font-weight: 700; line-height: 1.5; margin-bottom: 10px; }
.featured-post h3 a { color: var(--text); }
.featured-post h3 a:hover { color: var(--primary); }
.featured-post .post-excerpt { color: var(--text-secondary); font-size: 14px; line-height: 1.7; margin-bottom: 14px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.post-meta { display: flex; align-items: center; justify-content: space-between; font-size: 13px; color: var(--text-secondary); }
.post-link { color: var(--primary); font-weight: 600; display: inline-flex; align-items: center; gap: 6px; }
.post-list { list-style: none; padding: 0; margin: 0; }
.post-row {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 16px 14px;
  border-bottom: 1px solid var(--border);
  transition: background .2s;
  border-radius: 10px;
}
.post-row:last-child { border-bottom: none; }
.post-row:hover { background: var(--primary-light); }
.row-main { display: flex; align-items: center; gap: 10px; min-width: 0; }
.row-title { font-weight: 600; color: var(--text); white-space: nowrap; overflow: hidden; text-overflow: ellipsis; max-width: 300px; }
.post-row:hover .row-title { color: var(--primary); }
.row-meta { display: flex; align-items: center; gap: 14px; flex-shrink: 0; }
.post-time { color: var(--text-secondary); font-size: 13px; font-variant-numeric: tabular-nums; }
.empty-state {
  border: 2px dashed var(--border);
  border-radius: var(--radius-card);
  padding: 48px 24px;
  text-align: center;
  background: var(--bg);
}
.empty-state i { font-size: 36px; color: #C0CCCB; margin-bottom: 14px; }
.empty-state p { color: var(--text-secondary); font-size: 15px; }

/* ===== FAQ ===== */
.faq-section { background: var(--bg); }
.faq-wrap { max-width: 800px; margin: 0 auto; }
.accordion-item {
  background: var(--card-bg);
  border: 1px solid var(--border);
  border-radius: 14px !important;
  margin-bottom: 12px;
  overflow: hidden;
  box-shadow: 0 1px 4px rgba(11,43,42,.03);
}
.accordion-button {
  padding: 20px 24px;
  font-size: 16px;
  font-weight: 700;
  color: var(--text);
  background: #fff;
  box-shadow: none !important;
  transition: color .2s;
}
.accordion-button:not(.collapsed) { color: var(--primary); background: var(--primary-light); }
.accordion-button:focus { box-shadow: 0 0 0 3px rgba(14,124,123,.12) !important; }
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%235D6B6A' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m2 6 6 6 6-6'/%3E%3C/svg%3E");
  background-size: 16px;
  transition: transform .3s;
}
.accordion-button:not(.collapsed)::after { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='none' stroke='%230E7C7B' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='m2 6 6 6 6-6'/%3E%3C/svg%3E"); }
.accordion-body { padding: 0 24px 20px; color: var(--text-secondary); line-height: 1.8; font-size: 15px; }
.accordion-item .accordion-button { border-radius: 14px 14px 0 0; }

/* ===== CTA区 ===== */
.cta-band {
  background: linear-gradient(130deg, var(--primary-dark) 0%, var(--primary) 50%, #12A09E 100%);
  padding: 72px 0;
  position: relative;
  overflow: hidden;
  text-align: center;
}
.cta-band::before {
  content: '';
  position: absolute;
  top: -60px; right: -60px;
  width: 260px; height: 260px;
  border-radius: 50%;
  border: 2px solid rgba(255,255,255,.12);
}
.cta-band::after {
  content: '';
  position: absolute;
  bottom: -100px; left: -100px;
  width: 320px; height: 320px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.08);
}
.cta-band .container { position: relative; z-index: 2; }
.cta-title { font-size: 34px; font-weight: 800; color: #fff; margin-bottom: 14px; }
.cta-sub { color: rgba(255,255,255,.85); max-width: 600px; margin: 0 auto 32px; font-size: 16px; line-height: 1.8; }
.cta-band .btn-group { display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer { background: var(--dark); color: rgba(255,255,255,.7); padding: 64px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; padding-bottom: 48px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.footer-brand .brand-text { color: #fff; }
.footer-brand .brand-icon { background: var(--accent); }
.footer-desc { font-size: 14px; line-height: 1.7; opacity: .75; }
.footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 18px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.65); font-size: 14px; transition: color .2s, padding-left .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-social { display: flex; gap: 10px; margin-top: 16px; }
.footer-social a {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px; height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.08);
  color: rgba(255,255,255,.7);
  font-size: 15px;
  transition: all .2s;
}
.footer-social a:hover { background: var(--primary); color: #fff; transform: translateY(-2px); }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.08);
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom a { color: rgba(255,255,255,.6); }

/* ===== 响应式 ===== */
@media (max-width: 991px) {
  .hero h1 { font-size: 38px; }
  .feature-row { grid-template-columns: 1fr; gap: 36px; }
  .feature-media img { min-height: 220px; }
  .stats-grid { grid-template-columns: repeat(3, 1fr); gap: 24px; }
  .stat-num { font-size: 32px; }
  .latest-layout { grid-template-columns: 1fr; gap: 32px; }
  .testimonial-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .section { padding: 56px 0; }
  .top-bar { flex-wrap: wrap; padding: 10px 16px; }
  .top-search { display: none; }
  .brand-text { font-size: 18px; }
  .btn-brand { padding: 7px 14px; font-size: 13px; }
  .channel-list { padding: 6px 16px; }
  .hero { padding: 64px 0 48px; }
  .hero h1 { font-size: 28px; }
  .hero-lead { font-size: 15px; }
  .hero-stats { gap: 16px; margin-top: 36px; }
  .hero-stat-item { padding-right: 12px; }
  .hero-stat-num { font-size: 22px; }
  .hero-stat-label { font-size: 12px; }
  .feature-row + .feature-row { margin-top: 48px; }
  .stats-grid { grid-template-columns: 1fr 1fr 1fr; gap: 16px; }
  .stat-num { font-size: 26px; }
  .section-title { font-size: 24px; }
  .testimonial-main blockquote { font-size: 17px; }
  .post-row { flex-direction: column; align-items: flex-start; gap: 8px; }
  .row-title { max-width: 100%; white-space: normal; }
  .row-meta { width: 100%; justify-content: space-between; }
  .cta-title { font-size: 26px; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { font-size: 12px; }
}
@media (max-width: 520px) {
  .hero-btns { flex-direction: column; }
  .btn-primary-lg, .btn-ghost-lg { justify-content: center; width: 100%; }
  .stats-grid { grid-template-columns: 1fr; gap: 20px; }
  .hero-stat-item { border-right: none; border-bottom: 1px solid rgba(255,255,255,.1); padding-bottom: 12px; margin-bottom: 4px; width: 100%; }
  .testimonial-main { padding: 24px; }
  .accordion-button { font-size: 15px; padding: 16px 18px; }
  .accordion-body { padding: 0 18px 16px; }
}
.btn:focus, .btn:active:focus { box-shadow: 0 0 0 3px rgba(14,124,123,.18); }

/* roulang page: category1 */
:root {
  --primary: #0E7C7B;
  --primary-dark: #0A5F5E;
  --cta: #FF6B4A;
  --cta-dark: #E85A3E;
  --bg: #F5F7F6;
  --card-bg: #FFFFFF;
  --text: #1B2A29;
  --text-sub: #5D6B6A;
  --border: #DEE6E4;
  --dark: #0A2B2A;
  --accent: #F4B740;
  --radius-card: 16px;
  --radius-btn: 12px;
  --shadow-card: 0 2px 8px rgba(11, 43, 42, .06);
  --shadow-hover: 0 8px 24px rgba(11, 43, 42, .12);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; display: block; }
a { text-decoration: none; color: inherit; transition: color .2s ease; }
a:focus-visible, button:focus-visible, input:focus-visible, .accordion-button:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
.section { padding: 80px 0; }
.section-title-wrap { max-width: 720px; margin-bottom: 44px; }
.section-title {
  font-size: 28px;
  font-weight: 800;
  line-height: 1.35;
  letter-spacing: -0.3px;
  margin-bottom: 12px;
  position: relative;
  padding-left: 18px;
}
.section-title::before {
  content: "";
  position: absolute;
  left: 0; top: 6px; bottom: 6px;
  width: 5px;
  border-radius: 99px;
  background: linear-gradient(180deg, var(--primary), var(--cta));
}
.section-sub { color: var(--text-sub); font-size: 16px; line-height: 1.8; }
.text-primary-brand { color: var(--primary); }
.text-cta { color: var(--cta); }

/* ====== 按钮 ====== */
.btn {
  border-radius: var(--radius-btn);
  font-weight: 700;
  padding: 12px 28px;
  font-size: 15px;
  border: 2px solid transparent;
  transition: all .25s ease;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
}
.btn:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
.btn-brand {
  background: var(--cta);
  color: #fff;
  border-color: var(--cta);
}
.btn-brand:hover {
  background: var(--cta-dark);
  border-color: var(--cta-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(255, 107, 74, .35);
}
.btn-outline-brand {
  background: transparent;
  color: var(--primary);
  border-color: var(--primary);
}
.btn-outline-brand:hover {
  background: rgba(14, 124, 123, .1);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-2px);
}
.btn-ghost {
  background: transparent;
  color: var(--text);
  border-color: transparent;
}
.btn-ghost:hover { background: rgba(27, 42, 41, .06); color: var(--primary); }

/* ====== 双层导航 ====== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: #fff;
  box-shadow: 0 2px 12px rgba(11, 43, 42, .08);
}
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  gap: 20px;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #12A5A3 100%);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(14, 124, 123, .28);
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text);
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.brand-text span { color: var(--primary); }
.top-search { flex: 0 1 320px; }
.top-search .form-control {
  border-radius: 999px;
  border: 1px solid var(--border);
  padding: 9px 20px 9px 40px;
  background: var(--bg) url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%235D6B6A' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Ccircle cx='11' cy='11' r='7'/%3E%3Cpath d='M21 21l-4.3-4.3'/%3E%3C/svg%3E") no-repeat 15px center/15px 15px;
  font-size: 14px;
  height: 42px;
  transition: border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.top-search .form-control:focus {
  border-color: var(--primary);
  background-color: #fff;
  box-shadow: 0 0 0 3px rgba(14, 124, 123, .18);
}
.top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-outline {
  width: 42px;
  height: 42px;
  border-radius: 50%;
  border: 1px solid var(--border);
  background: #fff;
  color: var(--text-sub);
  align-items: center;
  justify-content: center;
  transition: all .2s ease;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(14, 124, 123, .06); }
.channel-bar {
  background: var(--dark);
  border-top: 1px solid rgba(255, 255, 255, .06);
}
.channel-list {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  gap: 8px;
  padding: 10px 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -webkit-overflow-scrolling: touch;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 20px;
  border-radius: 999px;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .85);
  font-size: 14px;
  font-weight: 600;
  white-space: nowrap;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.channel-link:hover {
  background: rgba(255, 255, 255, .15);
  color: #fff;
}
.channel-link.active {
  background: var(--cta);
  color: #fff;
  box-shadow: 0 4px 14px rgba(255, 107, 74, .35);
}
.channel-link i { font-size: 13px; opacity: .8; }

/* ====== Hero ====== */
.hero-band {
  position: relative;
  background: linear-gradient(135deg, #04201F 0%, #0A3B38 55%, #0E7C7B 120%);
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  color: #fff;
  padding: 100px 0;
  overflow: hidden;
}
.hero-band::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(4, 32, 31, .92) 0%, rgba(10, 59, 56, .78) 55%, rgba(14, 124, 123, .45) 100%);
}
.hero-band::after {
  content: "";
  position: absolute;
  right: -150px;
  bottom: -120px;
  width: 420px;
  height: 420px;
  border-radius: 50%;
  border: 3px solid rgba(255, 255, 255, .1);
  box-shadow: 0 0 0 60px rgba(255, 255, 255, .04), 0 0 0 120px rgba(255, 255, 255, .025);
  pointer-events: none;
}
.hero-content { position: relative; z-index: 2; max-width: 720px; }
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, .12);
  border: 1px solid rgba(255, 255, 255, .2);
  border-radius: 999px;
  padding: 6px 16px;
  font-size: 13px;
  font-weight: 600;
  backdrop-filter: blur(4px);
  color: rgba(255, 255, 255, .92);
  margin-bottom: 22px;
}
.hero-badge i { color: var(--accent); }
.hero-title {
  font-size: 48px;
  font-weight: 800;
  line-height: 1.2;
  letter-spacing: -1px;
  margin-bottom: 18px;
}
.hero-title .accent { color: #FFD6A8; }
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .88);
  margin-bottom: 32px;
  max-width: 620px;
}
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; }
.hero-actions .btn-brand {
  background: var(--cta);
  border-color: var(--cta);
  padding: 14px 32px;
}
.hero-actions .btn-hero-ghost {
  background: rgba(255, 255, 255, .1);
  border: 1px solid rgba(255, 255, 255, .35);
  color: #fff;
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-weight: 700;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .25s ease;
}
.hero-actions .btn-hero-ghost:hover {
  background: rgba(255, 255, 255, .2);
  transform: translateY(-2px);
}
.hero-metrics {
  display: flex;
  flex-wrap: wrap;
  gap: 36px;
  margin-top: 48px;
  padding-top: 28px;
  border-top: 1px solid rgba(255, 255, 255, .15);
}
.hero-metric .num {
  font-size: 28px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: #FFD6A8;
  line-height: 1.2;
}
.hero-metric .label { font-size: 13px; color: rgba(255, 255, 255, .72); }

/* ====== 频道概览 ====== */
.feature-row { display: grid; grid-template-columns: 1fr 1fr; gap: 56px; align-items: center; }
.feature-media {
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  position: relative;
}
.feature-media img { width: 100%; height: 360px; object-fit: cover; transition: transform .5s ease; }
.feature-media:hover img { transform: scale(1.03); }
.feature-media::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(10, 43, 42, .35));
  pointer-events: none;
}
.feature-tag {
  position: absolute;
  top: 16px; left: 16px;
  z-index: 2;
  background: var(--cta);
  color: #fff;
  font-size: 12px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
  box-shadow: 0 4px 12px rgba(255, 107, 74, .3);
}
.feature-body .eyebrow {
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  letter-spacing: .6px;
  text-transform: uppercase;
  margin-bottom: 8px;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.feature-body h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 16px;
}
.feature-body p {
  color: var(--text-sub);
  font-size: 16px;
  line-height: 1.85;
  margin-bottom: 20px;
}
.feature-list { list-style: none; padding: 0; margin: 0 0 24px; display: grid; grid-template-columns: 1fr 1fr; gap: 12px; }
.feature-list li { display: flex; align-items: center; gap: 10px; font-size: 15px; color: var(--text); }
.feature-list li i { color: var(--primary); font-size: 14px; width: 20px; height: 20px; border-radius: 50%; background: rgba(14, 124, 123, .1); display: inline-flex; align-items: center; justify-content: center; }

/* ====== 栏目入口 ====== */
.entry-section { background: #fff; }
.entry-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 24px; }
.entry-card {
  display: flex;
  align-items: center;
  gap: 20px;
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px;
  transition: all .3s ease;
}
.entry-card:hover {
  box-shadow: var(--shadow-hover);
  border-color: rgba(14, 124, 123, .3);
  transform: translateY(-4px);
  background: #fff;
}
.entry-card .entry-icon {
  width: 64px;
  height: 64px;
  border-radius: 14px;
  flex-shrink: 0;
  overflow: hidden;
  background: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  color: #fff;
  box-shadow: 0 4px 12px rgba(14, 124, 123, .25);
}
.entry-card .entry-icon img {
  width: 100%; height: 100%; object-fit: cover;
}
.entry-card h4 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 4px;
}
.entry-card p {
  font-size: 14px;
  color: var(--text-sub);
  margin: 0;
  line-height: 1.6;
}
.entry-link {
  margin-left: auto;
  width: 36px;
  height: 36px;
  border-radius: 50%;
  background: rgba(14, 124, 123, .1);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
  transition: all .3s ease;
  border: none;
}
.entry-card:hover .entry-link {
  background: var(--primary);
  color: #fff;
}

/* ====== 数据 band ====== */
.stats-band {
  background: var(--dark);
  position: relative;
  overflow: hidden;
  padding: 72px 0;
  color: #fff;
}
.stats-band::before {
  content: "";
  position: absolute;
  top: -60px; right: -40px;
  width: 300px; height: 300px;
  border-radius: 50%;
  border: 40px solid rgba(244, 183, 64, .05);
}
.stats-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 40px; text-align: center; position: relative; z-index: 2; }
.stat-item .stat-num {
  font-size: 52px;
  font-weight: 800;
  line-height: 1.1;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  letter-spacing: -1px;
}
.stat-item .stat-label { font-size: 15px; color: rgba(255, 255, 255, .75); margin-top: 8px; }
.stat-item .stat-desc { font-size: 13px; color: rgba(255, 255, 255, .5); }

/* ====== 时间线 ====== */
.timeline-wrap { max-width: 820px; margin: 0 auto; }
.timeline-item {
  display: flex;
  gap: 24px;
  padding: 24px 0;
  border-bottom: 1px solid var(--border);
  align-items: flex-start;
}
.timeline-item:last-child { border-bottom: none; }
.timeline-time {
  flex-shrink: 0;
  width: 100px;
  font-weight: 800;
  font-size: 15px;
  color: var(--primary);
  font-variant-numeric: tabular-nums;
  background: rgba(14, 124, 123, .08);
  border-radius: 10px;
  padding: 8px 10px;
  text-align: center;
  font-size: 14px;
}
.timeline-info { flex: 1; }
.timeline-info .tl-tags { display: flex; gap: 8px; margin-bottom: 6px; flex-wrap: wrap; }
.tl-tag {
  font-size: 12px;
  font-weight: 700;
  padding: 3px 12px;
  border-radius: 999px;
  background: rgba(14, 124, 123, .1);
  color: var(--primary);
}
.tl-tag.highlight { background: rgba(255, 107, 74, .1); color: var(--cta); }
.timeline-info h4 { font-size: 17px; font-weight: 700; margin-bottom: 4px; }
.timeline-info p { font-size: 14px; color: var(--text-sub); margin: 0; }
.timeline-dot {
  width: 10px; height: 10px;
  border-radius: 50%;
  background: var(--cta);
  margin-top: 30px;
  flex-shrink: 0;
  box-shadow: 0 0 0 4px rgba(255, 107, 74, .18);
}

/* ====== 内容说明/服务卡片 ====== */
.service-strip { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.service-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 32px 28px;
  transition: all .3s ease;
}
.service-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
  border-color: rgba(14, 124, 123, .25);
}
.service-icon {
  width: 52px; height: 52px;
  border-radius: 14px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 21px;
  margin-bottom: 18px;
  background: linear-gradient(135deg, rgba(14, 124, 123, .12), rgba(14, 124, 123, .05));
  color: var(--primary);
}
.service-card h3 { font-size: 18px; font-weight: 700; margin-bottom: 10px; }
.service-card p { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin: 0; }

/* ====== FAQ ====== */
.faq-section { background: #fff; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.accordion-item {
  border: 1px solid var(--border);
  border-radius: var(--radius-card) !important;
  margin-bottom: 14px;
  overflow: hidden;
  background: var(--bg);
}
.accordion-button {
  background: var(--bg);
  color: var(--text);
  font-weight: 700;
  font-size: 16px;
  padding: 20px 24px;
  box-shadow: none;
  transition: color .2s ease, background .2s ease;
}
.accordion-button:not(.collapsed) {
  background: rgba(14, 124, 123, .05);
  color: var(--primary);
}
.accordion-button::after {
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230E7C7B' stroke-width='2.5' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='m6 9 6 6 6-6'/%3E%3C/svg%3E");
  transition: transform .3s ease;
}
.accordion-button:focus { box-shadow: none; }
.accordion-body {
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.8;
  padding: 8px 24px 24px;
}

/* ====== CTA ====== */
.cta-band {
  position: relative;
  background: linear-gradient(120deg, #0A2B2A, #0E5C59 60%, #12A5A3 130%);
  padding: 80px 0;
  color: #fff;
  text-align: center;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  left: 10%; top: -120px;
  width: 360px; height: 360px;
  border-radius: 50%;
  background: radial-gradient(circle, rgba(255, 255, 255, .08), transparent 60%);
}
.cta-band h2 {
  font-size: 34px;
  font-weight: 800;
  margin-bottom: 14px;
  position: relative;
  z-index: 2;
}
.cta-band p {
  font-size: 17px;
  color: rgba(255, 255, 255, .82);
  max-width: 600px;
  margin: 0 auto 30px;
  position: relative;
  z-index: 2;
}
.cta-actions { position: relative; z-index: 2; display: flex; gap: 14px; justify-content: center; flex-wrap: wrap; }

/* ====== 页脚 ====== */
.site-footer {
  background: var(--dark);
  color: rgba(255, 255, 255, .75);
  padding: 60px 0 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}
.footer-brand .brand-icon {
  background: linear-gradient(135deg, var(--primary), #12A5A3);
}
.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
}
.footer-brand .brand-text span { color: #5FD6D4; }
.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, .65);
  max-width: 320px;
  margin-bottom: 18px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, .08);
  color: rgba(255, 255, 255, .8);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  transition: all .25s ease;
}
.footer-social a:hover { background: var(--cta); color: #fff; transform: translateY(-2px); }
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255, 255, 255, .65);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: #5FD6D4;
  padding-left: 6px;
}
.footer-bottom {
  padding: 22px 0;
  text-align: center;
}
.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, .45);
  margin: 0;
}

/* ====== 响应式 ====== */
@media (max-width: 1199px) {
  .entry-grid { grid-template-columns: 1fr 1fr; }
}
@media (max-width: 991px) {
  .section { padding: 56px 0; }
  .feature-row { grid-template-columns: 1fr; gap: 40px; }
  .feature-media img { height: 300px; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero-title { font-size: 38px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 767px) {
  .top-bar { flex-wrap: wrap; padding: 10px 16px; gap: 10px; }
  .hero-band { padding: 64px 0; }
  .hero-title { font-size: 28px; line-height: 1.25; }
  .hero-sub { font-size: 16px; }
  .hero-metrics { gap: 24px; }
  .entry-grid { grid-template-columns: 1fr; }
  .entry-card { padding: 16px; }
  .service-strip { grid-template-columns: 1fr; }
  .stats-grid { grid-template-columns: 1fr; }
  .stat-item .stat-num { font-size: 40px; }
  .timeline-item { flex-direction: column; gap: 12px; }
  .timeline-time { width: auto; text-align: left; }
  .timeline-dot { display: none; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-desc { max-width: 100%; }
  .cta-band h2 { font-size: 26px; }
  .cta-actions .btn { width: 100%; }
  .feature-list { grid-template-columns: 1fr; }
  .section-title { font-size: 24px; }
}
@media (max-width: 520px) {
  .top-hidden-mobile { display: none !important; }
  .hero-actions .btn-brand, .hero-actions .btn-hero-ghost { width: 100%; }
  .hero-metric { flex: 1 1 40%; }
  .entry-card { flex-direction: column; text-align: center; }
  .entry-link { margin-left: 0; }
}

/* roulang page: category2 */
:root {
      --primary: #0E7C7B;
      --primary-dark: #0A6362;
      --primary-light: #E6F4F3;
      --accent: #FF6B4A;
      --accent-dark: #E85A3E;
      --bg: #F5F7F6;
      --card: #FFFFFF;
      --text: #1B2A29;
      --text-2: #5D6B6A;
      --border: #DEE6E4;
      --dark: #0A2B2A;
      --gold: #F4B740;
      --radius-card: 16px;
      --radius-btn: 12px;
      --radius-input: 10px;
      --shadow-card: 0 2px 8px rgba(11, 43, 42, .06);
      --shadow-hover: 0 8px 24px rgba(11, 43, 42, .12);
      --shadow-nav: 0 2px 12px rgba(11, 43, 42, .08);
      --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
    }

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

    html {
      scroll-behavior: smooth;
    }

    body {
      margin: 0;
      font-family: var(--font);
      font-size: 16px;
      line-height: 1.8;
      color: var(--text);
      background: var(--bg);
      -webkit-font-smoothing: antialiased;
    }

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

    a {
      text-decoration: none;
      color: inherit;
      transition: color .2s ease;
    }

    .container {
      max-width: 1200px;
      padding-inline: 24px;
    }

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

    /* 按钮 */
    .btn {
      border-radius: var(--radius-btn);
      font-weight: 600;
      padding: .75rem 1.5rem;
      transition: background .2s ease, color .2s ease, border-color .2s ease, transform .2s ease, box-shadow .2s ease;
      border: 1px solid transparent;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      gap: 8px;
    }

    .btn:focus,
    .btn:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(14, 124, 123, .25);
    }

    .btn-brand {
      background: var(--accent);
      color: #fff;
      border-color: var(--accent);
    }

    .btn-brand:hover {
      background: var(--accent-dark);
      border-color: var(--accent-dark);
      color: #fff;
      transform: translateY(-2px);
      box-shadow: 0 6px 18px rgba(255, 107, 74, .28);
    }

    .btn-brand:active {
      background: var(--accent-dark);
      transform: translateY(0);
    }

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

    .btn-outline:hover {
      background: rgba(14, 124, 123, .1);
      color: var(--primary-dark);
      border-color: var(--primary-dark);
    }

    .btn-outline:active {
      background: rgba(14, 124, 123, .16);
    }

    .btn-ghost {
      background: transparent;
      color: var(--text);
    }

    .btn-ghost:hover {
      background: rgba(27, 42, 41, .06);
      color: var(--text);
    }

    .btn-lg {
      padding: .9rem 2rem;
      font-size: 1.05rem;
    }

    /* 顶部第一行 */
    .site-header {
      background: var(--card);
    }

    .top-bar {
      max-width: 1200px;
      margin-inline: auto;
      padding: 14px 24px;
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 24px;
    }

    .brand {
      display: inline-flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .brand-icon {
      width: 38px;
      height: 38px;
      background: linear-gradient(135deg, var(--primary), #12A5A0);
      border-radius: 12px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: #fff;
      font-size: 18px;
      box-shadow: 0 4px 12px rgba(14, 124, 123, .28);
    }

    .brand-text {
      font-size: 22px;
      font-weight: 800;
      color: var(--text);
      letter-spacing: .5px;
      line-height: 1.2;
    }

    .brand-text span {
      color: var(--primary);
    }

    .top-search {
      flex: 1;
      max-width: 360px;
    }

    .top-search .form-control {
      border-radius: 999px;
      background: var(--bg);
      border: 1px solid var(--border);
      padding: .55rem 1.2rem .55rem 2.4rem;
      font-size: 14px;
      position: relative;
      color: var(--text);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .top-search .form-control::placeholder {
      color: #8A9A98;
    }

    .top-search .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(14, 124, 123, .2);
      background: #fff;
    }

    .top-search form {
      position: relative;
    }

    .top-search form::before {
      content: "\f002";
      font-family: "Font Awesome 6 Free";
      font-weight: 900;
      position: absolute;
      left: 16px;
      top: 50%;
      transform: translateY(-50%);
      color: #8A9A98;
      font-size: 13px;
      z-index: 1;
    }

    .top-actions {
      display: flex;
      align-items: center;
      gap: 10px;
      flex-shrink: 0;
    }

    .top-actions .btn-brand {
      padding: .55rem 1.2rem;
      font-size: 14px;
      white-space: nowrap;
    }

    .top-actions .btn-outline {
      padding: .55rem .8rem;
      font-size: 14px;
      border-radius: 999px;
    }

    /* 第二行频道导航 */
    .channel-bar {
      position: sticky;
      top: 0;
      z-index: 1030;
      background: rgba(245, 247, 246, .93);
      backdrop-filter: blur(10px);
      -webkit-backdrop-filter: blur(10px);
      border-bottom: 1px solid var(--border);
      box-shadow: var(--shadow-nav);
    }

    .channel-list {
      max-width: 1200px;
      margin-inline: auto;
      padding: 10px 24px;
      display: flex;
      align-items: center;
      gap: 8px;
      overflow-x: auto;
      scrollbar-width: none;
      -ms-overflow-style: none;
    }

    .channel-list::-webkit-scrollbar {
      display: none;
    }

    .channel-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      padding: 7px 20px;
      border-radius: 999px;
      background: #fff;
      color: var(--text-2);
      font-size: 14px;
      font-weight: 600;
      border: 1px solid var(--border);
      white-space: nowrap;
      transition: all .2s ease;
    }

    .channel-link i {
      font-size: 13px;
    }

    .channel-link:hover {
      color: var(--primary);
      border-color: var(--primary);
      background: #f8fffe;
    }

    .channel-link:focus-visible {
      outline: none;
      box-shadow: 0 0 0 3px rgba(14, 124, 123, .25);
    }

    .channel-link.active {
      background: var(--primary);
      color: #fff;
      border-color: var(--primary);
      box-shadow: 0 4px 12px rgba(14, 124, 123, .3);
    }

    /* Hero */
    .hero-section {
      position: relative;
      padding: 88px 0 72px;
      background-image: url('/assets/images/backpic/back-2.webp');
      background-size: cover;
      background-position: center;
      background-repeat: no-repeat;
      color: #fff;
      overflow: hidden;
    }

    .hero-overlay {
      position: absolute;
      inset: 0;
      background: linear-gradient(115deg, rgba(10, 43, 42, .94) 15%, rgba(14, 124, 123, .82) 70%, rgba(18, 165, 160, .58) 100%);
      z-index: 1;
    }

    .hero-content {
      position: relative;
      z-index: 2;
    }

    .hero-badge {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      background: rgba(255, 255, 255, .14);
      border: 1px solid rgba(255, 255, 255, .22);
      border-radius: 999px;
      padding: 6px 16px;
      font-size: 13px;
      font-weight: 600;
      color: #F5FFF9;
      letter-spacing: .5px;
      margin-bottom: 24px;
    }

    .hero-badge i {
      color: var(--gold);
    }

    .hero-section h1 {
      font-size: 44px;
      line-height: 1.25;
      font-weight: 800;
      letter-spacing: .5px;
      margin-bottom: 18px;
      color: #fff;
    }

    .hero-section h1 span {
      color: #FFB59F;
    }

    .hero-sub {
      font-size: 17px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .9);
      max-width: 620px;
      margin-bottom: 28px;
    }

    .hero-actions {
      display: flex;
      flex-wrap: wrap;
      gap: 14px;
    }

    .hero-actions .btn-outline {
      background: rgba(255, 255, 255, .1);
      border-color: rgba(255, 255, 255, .7);
      color: #fff;
    }

    .hero-actions .btn-outline:hover {
      background: rgba(255, 255, 255, .2);
      border-color: #fff;
      color: #fff;
    }

    @media (max-width: 768px) {
      .hero-section {
        padding: 56px 0 48px;
      }
      .hero-section h1 {
        font-size: 30px;
      }
      .hero-sub {
        font-size: 15px;
      }
    }

    /* 数据带 */
    .stats-strip {
      background: var(--dark);
      color: #fff;
      padding: 40px 0;
    }

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

    .stat-item .stat-number {
      font-size: 34px;
      font-weight: 800;
      color: #fff;
      line-height: 1.2;
      font-variant-numeric: tabular-nums;
    }

    .stat-item .stat-number small {
      font-size: 16px;
      color: rgba(255, 255, 255, .65);
      font-weight: 500;
      margin-left: 2px;
    }

    .stat-item .stat-label {
      font-size: 14px;
      color: rgba(255, 255, 255, .75);
      margin-top: 6px;
    }

    @media (max-width: 768px) {
      .stats-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 32px 16px;
      }
    }

    /* 主内容 + 侧栏 */
    .section-pad {
      padding: 80px 0;
    }

    .section-label {
      display: inline-flex;
      align-items: center;
      gap: 8px;
      color: var(--primary);
      font-size: 13px;
      font-weight: 700;
      letter-spacing: 1px;
      text-transform: uppercase;
      margin-bottom: 12px;
    }

    .section-label i {
      font-size: 15px;
    }

    .section-title {
      font-size: 30px;
      font-weight: 800;
      line-height: 1.35;
      color: var(--text);
      margin-bottom: 16px;
    }

    .section-desc {
      color: var(--text-2);
      font-size: 16px;
      max-width: 720px;
      margin-bottom: 36px;
    }

    .split-layout {
      display: grid;
      grid-template-columns: 1fr 360px;
      gap: 40px;
      align-items: start;
    }

    @media (max-width: 991px) {
      .split-layout {
        grid-template-columns: 1fr;
      }
    }

    /* 左侧资源卡片 */
    .resource-list {
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    .media-card {
      display: flex;
      background: var(--card);
      border-radius: var(--radius-card);
      overflow: hidden;
      box-shadow: var(--shadow-card);
      border: 1px solid var(--border);
      transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
    }

    .media-card:hover {
      box-shadow: var(--shadow-hover);
      border-color: #C5DCD8;
      transform: translateY(-2px);
    }

    .media-card .cover {
      width: 260px;
      min-height: 180px;
      flex-shrink: 0;
      overflow: hidden;
      position: relative;
    }

    .media-card .cover img {
      width: 100%;
      height: 100%;
      object-fit: cover;
      transition: transform .4s ease;
    }

    .media-card:hover .cover img {
      transform: scale(1.04);
    }

    .media-card .card-body {
      padding: 22px 24px;
      display: flex;
      flex-direction: column;
    }

    .media-card .tag {
      align-self: flex-start;
      display: inline-flex;
      align-items: center;
      gap: 6px;
      background: var(--primary-light);
      color: var(--primary-dark);
      border-radius: 999px;
      padding: 4px 12px;
      font-size: 12px;
      font-weight: 700;
      margin-bottom: 12px;
    }

    .media-card .tag i {
      font-size: 11px;
    }

    .media-card h3 {
      font-size: 19px;
      font-weight: 700;
      color: var(--text);
      margin-bottom: 8px;
      line-height: 1.45;
    }

    .media-card .summary {
      font-size: 14px;
      color: var(--text-2);
      line-height: 1.7;
      margin-bottom: 14px;
      flex: 1;
    }

    .media-card .meta-line {
      display: flex;
      align-items: center;
      justify-content: space-between;
      gap: 12px;
      font-size: 13px;
      color: #889A97;
    }

    .media-card .meta-line .enter-link {
      display: inline-flex;
      align-items: center;
      gap: 6px;
      color: var(--primary);
      font-weight: 700;
      font-size: 14px;
    }

    .media-card .meta-line .enter-link:hover {
      color: var(--primary-dark);
    }

    @media (max-width: 640px) {
      .media-card {
        flex-direction: column;
      }
      .media-card .cover {
        width: 100%;
        min-height: 160px;
        max-height: 220px;
      }
      .media-card .card-body {
        padding: 18px;
      }
    }

    /* 侧栏 */
    .sidebar-sticky {
      position: sticky;
      top: 72px;
      display: flex;
      flex-direction: column;
      gap: 20px;
    }

    @media (max-width: 991px) {
      .sidebar-sticky {
        position: static;
      }
    }

    .side-card {
      background: var(--card);
      border-radius: var(--radius-card);
      border: 1px solid var(--border);
      padding: 24px;
      box-shadow: var(--shadow-card);
    }

    .side-card .side-title {
      font-size: 18px;
      font-weight: 800;
      color: var(--text);
      margin-bottom: 14px;
      display: flex;
      align-items: center;
      gap: 8px;
    }

    .side-card .side-title i {
      color: var(--primary);
    }

    .side-card .side-text {
      font-size: 14px;
      line-height: 1.8;
      color: var(--text-2);
    }

    .side-feature-list {
      list-style: none;
      padding: 0;
      margin: 16px 0 0;
    }

    .side-feature-list li {
      display: flex;
      align-items: flex-start;
      gap: 10px;
      padding: 8px 0;
      border-bottom: 1px dashed var(--border);
      font-size: 14px;
      color: var(--text-2);
    }

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

    .side-feature-list li i {
      color: var(--primary);
      margin-top: 5px;
      font-size: 12px;
    }

    .tag-cloud {
      display: flex;
      flex-wrap: wrap;
      gap: 8px;
    }

    .tag-item {
      display: inline-flex;
      align-items: center;
      gap: 4px;
      padding: 5px 14px;
      border-radius: 999px;
      background: var(--bg);
      border: 1px solid var(--border);
      font-size: 13px;
      color: var(--text-2);
      transition: all .2s ease;
    }

    .tag-item:hover {
      background: var(--primary-light);
      border-color: var(--primary);
      color: var(--primary-dark);
    }

    .side-form .form-control {
      border-radius: var(--radius-input);
      border: 1px solid var(--border);
      padding: .6rem 1rem;
      background: var(--bg);
      color: var(--text);
      transition: border-color .2s ease, box-shadow .2s ease;
    }

    .side-form .form-control:focus {
      border-color: var(--primary);
      box-shadow: 0 0 0 3px rgba(14, 124, 123, .18);
      background: #fff;
    }

    .side-form .form-control::placeholder {
      color: #93A3A0;
    }

    .form-note {
      font-size: 12px;
      color: #8A9A98;
      margin-top: 10px;
    }

    /* 覆盖说明 */
    .cover-band {
      padding: 60px 0;
      background: linear-gradient(135deg, #F0FAF8 0%, #FFFFFF 52%, #FFF3EE 100%);
      border-top: 1px solid var(--border);
      border-bottom: 1px solid var(--border);
    }

    .cover-grid {
      display: grid;
      grid-template-columns: repeat(4, 1fr);
      gap: 20px;
    }

    .cover-card {
      background: var(--card);
      border-radius: var(--radius-card);
      padding: 26px 22px;
      border: 1px solid var(--border);
      box-shadow: var(--shadow-card);
      transition: box-shadow .25s ease, transform .25s ease;
      text-align: center;
    }

    .cover-card:hover {
      box-shadow: var(--shadow-hover);
      transform: translateY(-3px);
    }

    .cover-card .cover-icon {
      width: 48px;
      height: 48px;
      border-radius: 14px;
      display: inline-flex;
      align-items: center;
      justify-content: center;
      font-size: 20px;
      color: var(--primary);
      background: var(--primary-light);
      margin-bottom: 14px;
    }

    .cover-card h3 {
      font-size: 16px;
      font-weight: 700;
      margin-bottom: 6px;
      color: var(--text);
    }

    .cover-card p {
      font-size: 13px;
      color: var(--text-2);
      margin: 0;
    }

    @media (max-width: 991px) {
      .cover-grid {
        grid-template-columns: repeat(2, 1fr);
      }
    }

    @media (max-width: 520px) {
      .cover-grid {
        grid-template-columns: 1fr;
      }
    }

    /* FAQ */
    .faq-section {
      padding: 80px 0;
      background: var(--bg);
    }

    .faq-wrap {
      max-width: 820px;
    }

    .custom-accordion .accordion-item {
      border: 1px solid var(--border);
      border-radius: var(--radius-card) !important;
      margin-bottom: 12px;
      overflow: hidden;
      box-shadow: var(--shadow-card);
      background: var(--card);
    }

    .custom-accordion .accordion-button {
      background: var(--card);
      color: var(--text);
      font-weight: 700;
      font-size: 16px;
      padding: 18px 22px;
      box-shadow: none;
      border: none;
      border-radius: 0;
    }

    .custom-accordion .accordion-button:not(.collapsed) {
      background: var(--primary-light);
      color: var(--primary-dark);
    }

    .custom-accordion .accordion-button:focus {
      box-shadow: 0 0 0 3px rgba(14, 124, 123, .2);
    }

    .custom-accordion .accordion-button::after {
      color: var(--primary);
      background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%230E7C7B' viewBox='0 0 16 16'%3E%3Cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3E%3C/svg%3E");
      transition: transform .25s ease;
    }

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

    .custom-accordion .accordion-body {
      padding: 6px 22px 20px;
      color: var(--text-2);
      font-size: 15px;
      line-height: 1.8;
    }

    /* CTA */
    .cta-band {
      background: var(--dark);
      color: #fff;
      padding: 64px 0;
      text-align: center;
      background-image: radial-gradient(circle at 20% 20%, rgba(14, 124, 123, .35) 0%, transparent 45%), radial-gradient(circle at 80% 80%, rgba(255, 107, 74, .28) 0%, transparent 42%);
    }

    .cta-band h2 {
      font-size: 32px;
      font-weight: 800;
      color: #fff;
      margin-bottom: 14px;
    }

    .cta-band p {
      color: rgba(255, 255, 255, .85);
      max-width: 560px;
      margin: 0 auto 28px;
      font-size: 15px;
    }

    .cta-actions {
      display: flex;
      gap: 14px;
      flex-wrap: wrap;
      justify-content: center;
    }

    /* 页脚 */
    .site-footer {
      background: var(--dark);
      color: rgba(255, 255, 255, .8);
      padding: 56px 0 0;
      margin-top: 0;
    }

    .footer-grid {
      display: grid;
      grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
      gap: 40px;
      padding-bottom: 40px;
      border-bottom: 1px solid rgba(255, 255, 255, .1);
    }

    .footer-brand {
      display: flex;
      align-items: center;
      gap: 10px;
      margin-bottom: 12px;
    }

    .footer-brand .brand-text {
      color: #fff;
      font-size: 20px;
    }

    .footer-desc {
      font-size: 14px;
      line-height: 1.8;
      color: rgba(255, 255, 255, .6);
      margin-bottom: 14px;
    }

    .footer-social {
      display: flex;
      gap: 10px;
    }

    .footer-social a {
      width: 36px;
      height: 36px;
      border-radius: 10px;
      background: rgba(255, 255, 255, .08);
      display: inline-flex;
      align-items: center;
      justify-content: center;
      color: rgba(255, 255, 255, .75);
      transition: all .2s ease;
    }

    .footer-social a:hover {
      background: var(--accent);
      color: #fff;
    }

    .footer-title {
      font-size: 15px;
      font-weight: 700;
      color: #fff;
      margin-bottom: 14px;
    }

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

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

    .footer-links a {
      font-size: 14px;
      color: rgba(255, 255, 255, .6);
      transition: color .2s ease, padding-left .2s ease;
    }

    .footer-links a:hover {
      color: #fff;
      padding-left: 4px;
    }

    .footer-bottom {
      padding: 20px 0;
      text-align: center;
      border-top: 1px solid rgba(255, 255, 255, .06);
      margin-top: 0;
    }

    .footer-bottom p {
      margin: 0;
      font-size: 13px;
      color: rgba(255, 255, 255, .45);
    }

    @media (max-width: 991px) {
      .footer-grid {
        grid-template-columns: 1fr 1fr;
      }
    }

    @media (max-width: 560px) {
      .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
      }
    }

    /* 移动端导航细节 */
    @media (max-width: 575px) {
      .top-bar {
        padding: 12px 16px;
        gap: 12px;
      }
      .brand-text {
        font-size: 19px;
      }
      .brand-icon {
        width: 34px;
        height: 34px;
        font-size: 15px;
      }
      .channel-list {
        padding: 8px 16px;
      }
      .channel-link {
        padding: 6px 16px;
        font-size: 13px;
      }
      .section-pad {
        padding: 48px 0;
      }
      .faq-section {
        padding: 48px 0;
      }
      .section-title {
        font-size: 24px;
      }
      .cta-band h2 {
        font-size: 25px;
      }
    }

/* roulang page: article */
/* ==================== 设计变量 ==================== */
:root {
  --brand: #0E7C7B;
  --brand-dark: #0B5F5E;
  --brand-light: #E6F2F1;
  --accent: #FF6B4A;
  --accent-dark: #E85A3E;
  --accent-light: #FFF1ED;
  --gold: #F4B740;
  --bg: #F5F7F6;
  --white: #ffffff;
  --text: #1B2A29;
  --text-secondary: #5D6B6A;
  --border: #DEE6E4;
  --dark: #0A2B2A;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(11,43,42,.06);
  --shadow-hover: 0 8px 24px rgba(11,43,42,.12);
  --shadow-nav: 0 2px 12px rgba(11,43,42,.08);
  --font: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, sans-serif;
}

/* ==================== 基础重置 ==================== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}
img { max-width: 100%; height: auto; display: block; }
a { color: var(--brand); text-decoration: none; transition: color .2s ease; }
a:hover { color: var(--brand-dark); }
button:focus-visible, a:focus-visible, input:focus-visible, textarea:focus-visible {
  outline: 2px solid var(--brand);
  outline-offset: 2px;
}

/* ==================== 容器 ==================== */
.container { max-width: 1200px; padding-left: 20px; padding-right: 20px; }
@media (max-width: 991px) {
  .container { padding-left: 16px; padding-right: 16px; }
}

/* ==================== 双层导航 ==================== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255,255,255,.95);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  box-shadow: var(--shadow-nav);
}
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 14px 24px;
}
.brand { display: inline-flex; align-items: center; gap: 12px; flex-shrink: 0; text-decoration: none; }
.brand:hover { text-decoration: none; }
.brand-icon {
  width: 46px; height: 46px; flex: 0 0 46px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--brand), #17A09D);
  display: flex; align-items: center; justify-content: center;
  color: #fff;
  font-size: 22px;
  box-shadow: 0 4px 14px rgba(14,124,123,.3);
  transition: transform .25s ease;
}
.brand:hover .brand-icon { transform: rotate(-8deg) scale(1.05); }
.brand-text { font-size: 26px; font-weight: 800; letter-spacing: .5px; color: var(--text); line-height: 1.1; }
.brand-text span { color: var(--accent); }
.top-search { flex: 0 1 320px; }
.top-search .form-control {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 9px 20px 9px 18px;
  font-size: 14px;
  transition: border-color .2s, box-shadow .2s;
}
.top-search .form-control:focus {
  border-color: var(--brand);
  box-shadow: 0 0 0 3px rgba(14,124,123,.12);
  background: #fff;
}
.top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-brand {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  border: none; border-radius: var(--radius-btn);
  padding: 10px 20px;
  font-size: 14px; font-weight: 700;
  transition: all .25s ease;
  text-decoration: none;
}
.btn-brand:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 16px rgba(255,107,74,.28); }
.btn-outline {
  display: inline-flex; align-items: center; justify-content: center;
  border: 1px solid var(--border); background: #fff;
  color: var(--text-secondary);
  border-radius: var(--radius-btn);
  padding: 9px 14px; font-size: 14px;
  transition: all .2s;
  text-decoration: none;
}
.btn-outline:hover { border-color: var(--brand); color: var(--brand); }
.channel-bar {
  background: #eef3f2;
  border-top: 1px solid var(--border);
}
.channel-list {
  display: flex;
  gap: 8px;
  max-width: 1320px;
  margin: 0 auto;
  padding: 8px 24px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex; align-items: center;
  padding: 8px 20px;
  white-space: nowrap;
  font-size: 14px; font-weight: 600;
  color: var(--text-secondary);
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-pill);
  transition: all .22s ease;
  text-decoration: none;
}
.channel-link:hover { color: var(--brand); border-color: var(--brand); background: #fff; transform: translateY(-1px); }
.channel-link.active { background: var(--brand); border-color: var(--brand); color: #fff; box-shadow: 0 3px 10px rgba(14,124,123,.25); }

/* ==================== 文章 Hero ==================== */
.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(10,43,42,.93), rgba(14,124,123,.87)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  padding: 64px 0 56px;
  color: #fff;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(255,255,255,.06) 1.5px, transparent 1.5px);
  background-size: 22px 22px;
  pointer-events: none;
}
.article-hero .container { position: relative; z-index: 1; max-width: 920px; }
.breadcrumb-wrap { margin-bottom: 24px; }
.breadcrumb {
  --bs-breadcrumb-divider: '>';
  margin: 0;
  background: transparent;
}
.breadcrumb-item a { color: rgba(255,255,255,.7); font-size: 13px; text-decoration: none; transition: color .2s; }
.breadcrumb-item a:hover { color: #fff; }
.breadcrumb-item.active { color: rgba(255,255,255,.9); font-size: 13px; }
.breadcrumb-item + .breadcrumb-item::before { color: rgba(255,255,255,.5); }
.article-title { font-size: 38px; font-weight: 800; line-height: 1.3; margin: 0 0 20px; letter-spacing: .5px; color: #fff; }
.article-meta { display: flex; flex-wrap: wrap; gap: 16px 24px; font-size: 14px; color: rgba(255,255,255,.72); }
.article-meta .meta-item { display: inline-flex; align-items: center; gap: 6px; }
.article-meta .meta-item i { color: rgba(255,255,255,.5); }

/* ==================== 文章正文 ==================== */
.article-section { padding: 48px 0 24px; }
.article-main {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 48px 56px;
  margin-bottom: 40px;
}
.article-content { font-size: 16px; line-height: 1.9; color: #2E3D3C; }
.article-content p { margin-bottom: 20px; }
.article-content h2 {
  font-size: 24px; font-weight: 800;
  margin: 36px 0 16px;
  padding-bottom: 12px;
  border-bottom: 2px solid var(--brand-light);
  color: var(--text);
  padding-left: 14px;
  border-left: 4px solid var(--brand);
  border-bottom: 2px solid var(--brand-light);
}
.article-content h3 { font-size: 20px; font-weight: 700; margin: 28px 0 14px; color: var(--text); }
.article-content ul, .article-content ol { margin: 16px 0 24px; padding-left: 28px; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  margin: 24px 0;
  padding: 16px 24px;
  background: var(--brand-light);
  border-left: 4px solid var(--brand);
  border-radius: 0 12px 12px 0;
  color: var(--text-secondary);
}
.article-content blockquote p { margin-bottom: 0; }
.article-content img { border-radius: 12px; margin: 24px 0; }
.article-content a { text-decoration: underline; text-underline-offset: 3px; }
.article-content table { width: 100%; margin: 20px 0; border-collapse: collapse; }
.article-content th, .article-content td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
.article-content th { background: var(--brand-light); font-weight: 700; }

/* ==================== 文章工具条 ==================== */
.article-tools {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 16px;
  margin-top: 40px;
  padding-top: 24px;
  border-top: 1px solid var(--border);
}
.tool-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 5px 14px;
  background: var(--brand-light);
  color: var(--brand-dark);
  border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600;
}
.tool-actions { display: flex; flex-wrap: wrap; gap: 8px; }
.tool-actions a {
  display: inline-flex; align-items: center; gap: 6px;
  padding: 7px 16px;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  font-size: 13px;
  color: var(--text-secondary);
  text-decoration: none;
  background: #fff;
  transition: all .2s;
}
.tool-actions a:hover { border-color: var(--brand); color: var(--brand); background: var(--brand-light); }

/* ==================== 相关阅读 ==================== */
.related-section { padding: 48px 0 72px; background: var(--bg); }
.section-head { display: flex; align-items: center; justify-content: space-between; margin: 0 auto 32px; gap: 16px; }
.section-title { font-size: 28px; font-weight: 800; color: var(--text); margin: 0; position: relative; padding-bottom: 10px; }
.section-title::after { content: ''; position: absolute; left: 0; bottom: 0; width: 40px; height: 3px; background: var(--accent); border-radius: 99px; }
.section-more { color: var(--text-secondary); font-size: 14px; text-decoration: none; white-space: nowrap; }
.section-more:hover { color: var(--brand); }
.related-list { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: #fff;
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  text-decoration: none;
  transition: all .3s ease;
  display: flex;
  flex-direction: column;
}
.related-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-4px); text-decoration: none; }
.related-cover { aspect-ratio: 16 / 9; overflow: hidden; background: linear-gradient(135deg, var(--brand-light), #d7e5e3); }
.related-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .4s ease; }
.related-card:hover .related-cover img { transform: scale(1.05); }
.related-body { padding: 18px 20px 20px; display: flex; flex-direction: column; flex: 1; }
.related-body .tag { align-self: flex-start; margin-bottom: 12px; }
.related-body h3 { font-size: 17px; font-weight: 700; line-height: 1.5; color: var(--text); margin-bottom: 8px; transition: color .2s; }
.related-card:hover .related-body h3 { color: var(--brand); }
.related-body p {
  font-size: 13px;
  color: var(--text-secondary);
  line-height: 1.7;
  margin-bottom: 14px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  flex: 1;
}
.related-meta { font-size: 13px; color: var(--text-secondary); }
.related-meta i { margin-right: 4px; }

/* ==================== CTA 区 ==================== */
.cta-band {
  background: linear-gradient(135deg, var(--dark), var(--brand-dark));
  padding: 72px 0;
  color: #fff;
  text-align: center;
}
.cta-band h2 { font-size: 30px; font-weight: 800; margin-bottom: 12px; }
.cta-band p { font-size: 16px; color: rgba(255,255,255,.75); margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
.btn-accent {
  display: inline-flex; align-items: center; gap: 8px;
  background: var(--accent); color: #fff;
  border-radius: var(--radius-btn);
  padding: 13px 32px;
  font-size: 15px; font-weight: 700;
  text-decoration: none;
  transition: all .25s;
  border: none;
}
.btn-accent:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(255,107,74,.35); }
.btn-ghost {
  display: inline-flex; align-items: center; gap: 8px;
  background: transparent; color: #fff;
  border: 2px solid rgba(255,255,255,.65);
  border-radius: var(--radius-btn);
  padding: 12px 30px;
  font-size: 15px; font-weight: 600;
  text-decoration: none;
  transition: all .25s;
}
.btn-ghost:hover { border-color: #fff; color: #fff; background: rgba(255,255,255,.1); }

/* ==================== 内容未找到 ==================== */
.notfound-section { padding: 100px 0; min-height: 70vh; display: flex; align-items: center; }
.notfound-card {
  background: #fff;
  border-radius: var(--radius-card);
  box-shadow: var(--shadow-card);
  padding: 64px 48px;
  text-align: center;
}
.notfound-icon {
  width: 88px; height: 88px;
  margin: 0 auto 24px;
  border-radius: 50%;
  background: var(--brand-light);
  display: flex; align-items: center; justify-content: center;
  color: var(--brand);
  font-size: 36px;
}
.notfound-card h1 { font-size: 30px; font-weight: 800; margin-bottom: 14px; color: var(--text); }
.notfound-card p { color: var(--text-secondary); max-width: 420px; margin: 0 auto 28px; }

/* ==================== 页脚 ==================== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.78);
  padding: 64px 0 0;
}
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 40px; }
.footer-brand { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .brand-icon { width: 40px; height: 40px; font-size: 18px; flex: 0 0 40px; }
.footer-brand .brand-text { color: #fff; font-size: 24px; }
.footer-desc { font-size: 14px; line-height: 1.7; color: rgba(255,255,255,.6); margin: 12px 0 18px; max-width: 280px; }
.footer-social { display: flex; gap: 12px; }
.footer-social a {
  width: 38px; height: 38px;
  border-radius: 50%;
  border: 1px solid rgba(255,255,255,.18);
  display: flex; align-items: center; justify-content: center;
  color: rgba(255,255,255,.7);
  transition: all .2s;
}
.footer-social a:hover { background: var(--accent); border-color: var(--accent); color: #fff; transform: translateY(-2px); }
.footer-title { font-size: 16px; font-weight: 700; color: #fff; margin-bottom: 16px; }
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,.6); font-size: 14px; text-decoration: none; transition: all .2s; }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,.1);
  padding: 18px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,.45);
}
.footer-bottom p { margin: 0; }

/* ==================== 响应式 ==================== */
@media (max-width: 1199px) {
  .related-list { gap: 16px; }
  .article-main { padding: 40px 40px; }
}

@media (max-width: 991px) {
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 28px; }
  .article-hero { padding: 44px 0 36px; }
  .article-title { font-size: 30px; }
  .related-list { grid-template-columns: 1fr 1fr; }
  .article-main { padding: 36px 32px; }
}

@media (max-width: 767px) {
  .top-bar { padding: 10px 16px; gap: 12px; }
  .brand-text { font-size: 20px; }
  .brand-icon { width: 38px; height: 38px; font-size: 18px; flex-basis: 38px; }
  .top-actions { gap: 6px; }
  .channel-list { padding: 8px 16px; }
  .article-hero { padding: 32px 0 28px; }
  .article-title { font-size: 26px; }
  .article-section { padding: 24px 0 0; }
  .article-main { padding: 28px 20px; border-radius: 12px; }
  .related-list { grid-template-columns: 1fr; }
  .related-section { padding: 32px 0 48px; }
  .section-head { flex-direction: column; align-items: flex-start; gap: 8px; }
  .cta-band { padding: 48px 0; }
  .cta-band h2 { font-size: 24px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .article-tools { flex-direction: column; align-items: flex-start; }
  .tool-actions { gap: 6px; }
  .tool-actions a { padding: 6px 12px; font-size: 12px; }
  .notfound-section { padding: 60px 0; min-height: 60vh; }
  .notfound-card { padding: 40px 24px; }
  .notfound-card h1 { font-size: 26px; }
  .article-meta { gap: 12px 16px; font-size: 13px; }
  .breadcrumb-item a, .breadcrumb-item.active { font-size: 12px; }
}

@media (max-width: 520px) {
  .brand-text { font-size: 19px; }
  .brand-icon { width: 34px; height: 34px; font-size: 16px; flex-basis: 34px; border-radius: 10px; }
  .top-bar { padding: 8px 12px; }
  .btn-brand { padding: 8px 14px; font-size: 13px; }
  .channel-list { padding: 6px 12px; gap: 6px; }
  .channel-link { padding: 7px 14px; font-size: 13px; }
  .article-main { padding: 24px 16px; }
  .article-content { font-size: 15px; line-height: 1.8; }
  .article-content h2 { font-size: 20px; }
  .article-content h3 { font-size: 18px; }
  .related-body { padding: 14px 16px 16px; }
  .cta-band { padding: 40px 0; }
  .cta-band h2 { font-size: 22px; }
  .cta-band p { font-size: 14px; }
  .btn-accent, .btn-ghost { padding: 11px 24px; font-size: 14px; }
}

/* roulang page: category3 */
:root {
  --primary: #0E7C7B;
  --primary-dark: #0A5F5E;
  --accent: #FF6B4A;
  --accent-dark: #E85A3E;
  --bg: #F5F7F6;
  --card-bg: #FFFFFF;
  --text-main: #1B2A29;
  --text-sub: #5D6B6A;
  --border: #DEE6E4;
  --dark: #0A2B2A;
  --dark-2: #123B39;
  --tag-gold: #F4B740;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-input: 10px;
  --radius-pill: 999px;
  --shadow-card: 0 2px 8px rgba(11,43,42,.06);
  --shadow-hover: 0 8px 24px rgba(11,43,42,.12);
  --shadow-nav: 0 2px 12px rgba(11,43,42,.08);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
  --spacing-section: 80px;
  --container-max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-main);
  background: var(--bg);
  color: var(--text-main);
  font-size: 16px;
  line-height: 1.8;
  -webkit-font-smoothing: antialiased;
}
a { color: var(--primary); text-decoration: none; transition: color .25s; }
a:hover { color: var(--primary-dark); }
img { max-width: 100%; height: auto; display: block; }
button, input, select, textarea { font-family: inherit; }
.container { max-width: var(--container-max); padding-left: 20px; padding-right: 20px; }
section { position: relative; }

/* ===== 双层导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1050;
  background: rgba(255,255,255,.96);
  box-shadow: var(--shadow-nav);
}
.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 14px 24px;
  max-width: var(--container-max);
  margin: 0 auto;
}
.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}
.brand-icon {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary), #14A3A0);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(14,124,123,.25);
}
.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: .5px;
  white-space: nowrap;
}
.brand-text span { color: var(--primary); }
.top-search { width: 280px; flex-shrink: 0; }
.top-search .form-control {
  border-radius: var(--radius-pill);
  border: 1px solid var(--border);
  background: var(--bg);
  padding: 8px 18px;
  font-size: 14px;
  transition: all .3s;
}
.top-search .form-control:focus {
  border-color: var(--primary);
  background: #fff;
  box-shadow: 0 0 0 3px rgba(14,124,123,.12);
}
.top-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
.btn-brand {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 10px 22px;
  font-weight: 600;
  font-size: 14px;
  transition: all .3s;
  box-shadow: 0 4px 14px rgba(255,107,74,.25);
}
.btn-brand:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 18px rgba(255,107,74,.3); }
.btn-outline {
  background: transparent;
  border: 1px solid var(--border);
  border-radius: var(--radius-btn);
  padding: 10px 14px;
  color: var(--text-sub);
  transition: all .3s;
}
.btn-outline:hover { border-color: var(--primary); color: var(--primary); background: rgba(14,124,123,.04); }
.channel-bar {
  background: var(--dark);
  border-top: 1px solid rgba(255,255,255,.08);
}
.channel-list {
  display: flex;
  gap: 4px;
  overflow-x: auto;
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 8px 24px;
  scrollbar-width: none;
  -ms-overflow-style: none;
}
.channel-list::-webkit-scrollbar { display: none; }
.channel-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 18px;
  border-radius: var(--radius-pill);
  font-size: 14px;
  font-weight: 500;
  color: rgba(255,255,255,.8);
  white-space: nowrap;
  transition: all .3s;
}
.channel-link:hover { background: rgba(255,255,255,.1); color: #fff; }
.channel-link.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
  box-shadow: 0 4px 12px rgba(255,107,74,.3);
}

/* ===== 按钮通用 ===== */
.btn-custom-primary {
  background: var(--accent);
  color: #fff;
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 32px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s;
  box-shadow: 0 4px 14px rgba(255,107,74,.25);
}
.btn-custom-primary:hover { background: var(--accent-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(255,107,74,.32); }
.btn-custom-secondary {
  background: transparent;
  border: 1px solid var(--primary);
  color: var(--primary);
  border-radius: var(--radius-btn);
  padding: 14px 28px;
  font-weight: 600;
  font-size: 15px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
  transition: all .3s;
}
.btn-custom-secondary:hover { background: rgba(14,124,123,.08); color: var(--primary-dark); }
.btn-custom-light {
  background: #fff;
  color: var(--dark);
  border: none;
  border-radius: var(--radius-btn);
  padding: 14px 30px;
  font-weight: 600;
  font-size: 15px;
  transition: all .3s;
}
.btn-custom-light:hover { background: rgba(255,255,255,.88); color: var(--primary); transform: translateY(-2px); }
.btn-custom:focus-visible, .btn-custom-primary:focus-visible, .btn-custom-secondary:focus-visible, .btn-custom-light:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 2px;
}

/* ===== Hero ===== */
.page-hero {
  background: linear-gradient(135deg, rgba(10,43,42,.92), rgba(14,124,123,.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  padding: 90px 0 80px;
  color: #fff;
  position: relative;
  overflow: hidden;
}
.page-hero::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  right: 0;
  height: 60px;
  background: linear-gradient(180deg, transparent, var(--bg));
}
.page-hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255,255,255,.15);
  border: 1px solid rgba(255,255,255,.2);
  color: #fff;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  font-size: 13px;
  font-weight: 500;
  margin-bottom: 20px;
  backdrop-filter: blur(4px);
}
.page-hero h1 {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.25;
  margin-bottom: 16px;
  color: #fff;
}
.page-hero h1 span { color: #FFD9A0; }
.page-hero p.lead {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  max-width: 720px;
  line-height: 1.8;
  margin-bottom: 28px;
}
.page-hero .hero-actions { display: flex; gap: 12px; flex-wrap: wrap; }
.hero-wave {
  position: absolute;
  bottom: -2px;
  left: 0;
  width: 100%;
  line-height: 0;
  z-index: 1;
}

/* ===== 时间线板块 ===== */
.timeline-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.section-head {
  text-align: center;
  margin-bottom: 50px;
}
.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  color: var(--primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 2px;
  text-transform: uppercase;
  margin-bottom: 10px;
}
.section-head h2 {
  font-size: 32px;
  font-weight: 800;
  line-height: 1.3;
  color: var(--text-main);
  margin-bottom: 12px;
}
.section-head p {
  color: var(--text-sub);
  font-size: 15px;
  max-width: 640px;
  margin: 0 auto;
}
.timeline {
  position: relative;
  max-width: 900px;
  margin: 0 auto;
  padding: 20px 0;
}
.timeline::before {
  content: '';
  position: absolute;
  top: 0;
  bottom: 0;
  left: 50%;
  width: 3px;
  background: linear-gradient(180deg, var(--primary), rgba(14,124,123,.15));
  transform: translateX(-50%);
  border-radius: 4px;
}
.timeline-item {
  position: relative;
  width: 50%;
  padding-right: 50px;
  margin-bottom: 48px;
}
.timeline-item:nth-child(even) {
  margin-left: 50%;
  padding-right: 0;
  padding-left: 50px;
}
.timeline-dot {
  position: absolute;
  top: 8px;
  right: -9px;
  width: 18px;
  height: 18px;
  border-radius: 50%;
  background: var(--accent);
  border: 4px solid #fff;
  box-shadow: 0 0 0 3px var(--primary);
  z-index: 2;
}
.timeline-item:nth-child(even) .timeline-dot {
  right: auto;
  left: -9px;
  box-shadow: 0 0 0 3px var(--accent);
}
.timeline-card {
  background: var(--card-bg);
  border-radius: var(--radius-card);
  padding: 28px;
  box-shadow: var(--shadow-card);
  transition: all .3s;
  border-left: 4px solid var(--primary);
}
.timeline-item:nth-child(even) .timeline-card {
  border-left: none;
  border-right: 4px solid var(--accent);
}
.timeline-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-3px);
}
.timeline-date {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: rgba(14,124,123,.08);
  padding: 4px 14px;
  border-radius: var(--radius-pill);
  margin-bottom: 12px;
}
.timeline-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 8px;
  color: var(--text-main);
}
.timeline-card p {
  font-size: 14px;
  color: var(--text-sub);
  line-height: 1.7;
  margin-bottom: 12px;
}
.timeline-tags { display: flex; gap: 6px; flex-wrap: wrap; }
.tag-pill {
  display: inline-block;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  font-size: 12px;
  font-weight: 500;
  background: rgba(255,107,74,.1);
  color: var(--accent);
}
.tag-pill.gold { background: rgba(244,183,64,.14); color: #B8860B; }
.tag-pill.primary { background: rgba(14,124,123,.1); color: var(--primary); }

/* ===== 资讯分类块 ===== */
.info-category-section {
  padding: var(--spacing-section) 0;
  background: #fff;
}
.info-grid-2col {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 32px;
}
.info-category-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 36px;
  transition: all .3s;
  position: relative;
  overflow: hidden;
}
.info-category-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent));
  opacity: 0;
  transition: opacity .3s;
}
.info-category-card:hover::before { opacity: 1; }
.info-category-card:hover { box-shadow: var(--shadow-hover); transform: translateY(-3px); }
.info-category-icon {
  width: 56px;
  height: 56px;
  border-radius: 16px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 20px;
  background: rgba(14,124,123,.08);
  color: var(--primary);
}
.info-category-card:nth-child(2) .info-category-icon { background: rgba(255,107,74,.1); color: var(--accent); }
.info-category-card h3 { font-size: 20px; font-weight: 700; margin-bottom: 10px; }
.info-category-card p { font-size: 14px; color: var(--text-sub); line-height: 1.75; margin-bottom: 16px; }
.info-category-list { list-style: none; padding: 0; margin: 0 0 20px; }
.info-category-list li {
  padding: 8px 0;
  font-size: 14px;
  color: var(--text-main);
  border-bottom: 1px dashed var(--border);
  display: flex;
  align-items: center;
  gap: 10px;
}
.info-category-list li:last-child { border-bottom: none; }
.info-category-list li i { color: var(--primary); font-size: 12px; }
.info-category-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
  transition: gap .3s;
}
.info-category-link:hover { gap: 10px; }

/* ===== 数据区 ===== */
.stats-band {
  background: linear-gradient(135deg, var(--dark), var(--dark-2));
  padding: 70px 0;
  color: #fff;
}
.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 40px;
  text-align: center;
}
.stats-item .stats-number {
  font-size: 44px;
  font-weight: 800;
  font-variant-numeric: tabular-nums;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}
.stats-item .stats-number sup { font-size: 22px; }
.stats-item .stats-label {
  font-size: 14px;
  color: rgba(255,255,255,.75);
  margin-top: 4px;
}

/* ===== FAQ ===== */
.faq-section {
  padding: var(--spacing-section) 0;
  background: var(--bg);
}
.faq-wrap {
  max-width: 860px;
  margin: 0 auto;
}
.faq-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow .3s;
}
.faq-card:hover { box-shadow: var(--shadow-card); }
.faq-card .accordion-button {
  background: #fff;
  color: var(--text-main);
  font-weight: 600;
  font-size: 16px;
  padding: 20px 24px;
  border: none;
  box-shadow: none;
  display: flex;
  align-items: center;
  gap: 12px;
}
.faq-card .accordion-button::after {
  content: '\f078';
  font-family: 'Font Awesome 6 Free';
  font-weight: 900;
  background: none;
  width: auto;
  height: auto;
  font-size: 14px;
  color: var(--primary);
  transition: transform .3s;
}
.faq-card .accordion-button:not(.collapsed)::after { transform: rotate(180deg); }
.faq-card .accordion-button:not(.collapsed) {
  background: rgba(14,124,123,.04);
  color: var(--primary);
}
.faq-card .accordion-button:focus { box-shadow: none; border-color: transparent; }
.faq-card .accordion-body {
  padding: 0 24px 20px;
  color: var(--text-sub);
  font-size: 14px;
  line-height: 1.8;
  border-top: 1px solid var(--border);
  background: #fff;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(14,124,123,.9), rgba(10,43,42,.95)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section h2 {
  font-size: 32px;
  font-weight: 800;
  margin-bottom: 12px;
  color: #fff;
}
.cta-section p {
  font-size: 16px;
  color: rgba(255,255,255,.85);
  max-width: 600px;
  margin: 0 auto 30px;
}
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: var(--dark);
  color: rgba(255,255,255,.7);
  padding: 70px 0 0;
  margin-top: 0;
}
.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255,255,255,.08);
}
.footer-brand {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
}
.footer-brand .brand-icon {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: linear-gradient(135deg, var(--primary), #14A3A0);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 16px;
}
.footer-brand .brand-text {
  font-size: 20px;
  font-weight: 800;
  color: #fff;
}
.footer-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(255,255,255,.55);
  margin-bottom: 16px;
}
.footer-social { display: flex; gap: 10px; }
.footer-social a {
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: rgba(255,255,255,.06);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: rgba(255,255,255,.6);
  font-size: 15px;
  border: 1px solid rgba(255,255,255,.08);
  transition: all .3s;
}
.footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }
.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  position: relative;
  padding-bottom: 10px;
}
.footer-title::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 24px;
  height: 2px;
  background: var(--accent);
  border-radius: 2px;
}
.footer-links { list-style: none; padding: 0; margin: 0; }
.footer-links li { margin-bottom: 10px; }
.footer-links a {
  color: rgba(255,255,255,.6);
  font-size: 14px;
  transition: all .3s;
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.footer-links a::before { content: '\f105'; font-family: 'Font Awesome 6 Free'; font-weight: 900; font-size: 11px; color: var(--primary); }
.footer-links a:hover { color: #fff; padding-left: 4px; }
.footer-bottom {
  padding: 22px 0;
  border-top: 1px solid rgba(255,255,255,.06);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 10px;
}
.footer-bottom p { margin: 0; font-size: 13px; color: rgba(255,255,255,.45); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .top-search { width: 220px; }
}
@media (max-width: 768px) {
  :root { --spacing-section: 56px; }
  .top-bar { padding: 12px 16px; }
  .top-search { display: none !important; }
  .brand-text { font-size: 19px; }
  .channel-list { padding: 8px 16px; }
  .page-hero { padding: 60px 0 56px; }
  .page-hero h1 { font-size: 28px; }
  .page-hero p.lead { font-size: 15px; }
  .timeline::before { left: 18px; transform: none; }
  .timeline-item, .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    padding: 0 0 0 52px;
  }
  .timeline-dot, .timeline-item:nth-child(even) .timeline-dot {
    left: 9px;
    right: auto;
    box-shadow: 0 0 0 3px var(--primary);
  }
  .timeline-card { border-left: 4px solid var(--primary) !important; border-right: none !important; }
  .info-grid-2col { grid-template-columns: 1fr; }
  .section-head h2 { font-size: 26px; }
  .stats-grid { grid-template-columns: 1fr 1fr; gap: 24px; }
  .stats-item .stats-number { font-size: 32px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .cta-section h2 { font-size: 26px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn-custom-primary, .btn-custom-secondary, .btn-custom-light { width: 100%; justify-content: center; }
}
@media (max-width: 520px) {
  body { font-size: 15px; }
  .top-bar { padding: 10px 12px; }
  .brand-icon { width: 32px; height: 32px; font-size: 15px; }
  .brand-text { font-size: 17px; }
  .top-actions .btn-brand { padding: 8px 16px; font-size: 13px; }
  .page-hero h1 { font-size: 24px; }
  .page-hero .hero-actions { flex-direction: column; width: 100%; }
  .page-hero .btn-custom-primary, .page-hero .btn-custom-secondary { width: 100%; justify-content: center; }
  .timeline-card { padding: 20px; }
  .timeline-card h3 { font-size: 17px; }
  .stats-grid { grid-template-columns: 1fr 1fr; }
  .stats-item .stats-number { font-size: 26px; }
  .info-category-card { padding: 24px; }
  .faq-card .accordion-button { padding: 16px 18px; font-size: 15px; }
  .footer-grid { padding-bottom: 30px; }
}

/* roulang page: category4 */
/* ============================================================
   设计变量
   ============================================================ */
:root {
  --primary: #0E7C7B;
  --primary-dark: #0A6A69;
  --primary-light: #E3F2F1;
  --accent: #FF6B4A;
  --accent-dark: #E85A3E;
  --accent-light: #FFF0EC;
  --bg: #F5F7F6;
  --card-bg: #FFFFFF;
  --text-main: #1B2A29;
  --text-sub: #5D6B6A;
  --border: #DEE6E4;
  --dark-bg: #0A2B2A;
  --gold: #F4B740;
  --radius-card: 16px;
  --radius-btn: 12px;
  --radius-tag: 999px;
  --shadow-card: 0 2px 8px rgba(11, 43, 42, 0.06);
  --shadow-hover: 0 8px 24px rgba(11, 43, 42, 0.12);
  --font-main: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", system-ui, -apple-system, sans-serif;
}

/* ============================================================
   基础重置
   ============================================================ */
*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-main);
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-main);
  background-color: var(--bg);
  -webkit-font-smoothing: antialiased;
  overflow-x: hidden;
}

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

a:hover {
  color: var(--primary-dark);
}

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

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

.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ============================================================
   按钮系统
   ============================================================ */
.btn-brand {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: var(--accent);
  color: #fff;
  border: 2px solid var(--accent);
  border-radius: var(--radius-btn);
  padding: 10px 24px;
  font-weight: 700;
  font-size: 15px;
  line-height: 1.5;
  transition: all 0.3s ease;
  box-shadow: 0 4px 14px rgba(255, 107, 74, 0.25);
}

.btn-brand:hover {
  background: var(--accent-dark);
  border-color: var(--accent-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 22px rgba(232, 90, 62, 0.32);
}

.btn-brand:focus-visible,
.btn-outline:focus-visible,
.btn-ghost:focus-visible {
  outline: 2px solid var(--primary);
  outline-offset: 3px;
}

.btn-brand.btn-lg {
  padding: 13px 32px;
  font-size: 16px;
  border-radius: 14px;
}

.btn-outline {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary);
  border: 2px solid var(--primary);
  border-radius: var(--radius-btn);
  padding: 9px 22px;
  font-weight: 600;
  font-size: 14px;
  transition: all 0.3s ease;
}

.btn-outline:hover {
  background: rgba(14, 124, 123, 0.1);
  color: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
}

.btn-ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  background: transparent;
  color: var(--primary);
  border: 2px solid transparent;
  border-radius: var(--radius-btn);
  padding: 9px 22px;
  font-weight: 600;
  font-size: 15px;
  transition: all 0.3s ease;
}

.btn-ghost:hover {
  background: rgba(14, 124, 123, 0.08);
  color: var(--primary-dark);
}

/* ============================================================
   双层导航
   ============================================================ */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1030;
  background: rgba(255, 255, 255, 0.96);
  box-shadow: 0 2px 12px rgba(11, 43, 42, 0.08);
  backdrop-filter: blur(10px);
  -webkit-backdrop-filter: blur(10px);
}

.top-bar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  max-width: 1200px;
  margin: 0 auto;
  padding: 12px 20px;
  gap: 24px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  flex-shrink: 0;
}

.brand-icon {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, var(--primary) 0%, #1AA6A2 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 18px;
  box-shadow: 0 4px 12px rgba(14, 124, 123, 0.35);
}

.brand-text {
  font-size: 22px;
  font-weight: 800;
  color: var(--text-main);
  letter-spacing: -0.5px;
  line-height: 1.2;
}

.brand-text span {
  color: var(--primary);
}

.top-search {
  flex: 1;
  max-width: 320px;
}

.top-search .form-control {
  background: var(--bg);
  border: 2px solid var(--border);
  border-radius: var(--radius-tag);
  padding: 9px 18px 9px 42px;
  font-size: 14px;
  background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='16' height='16' fill='%235D6B6A' viewBox='0 0 16 16'%3E%3Cpath d='M11.742 10.344a6.5 6.5 0 1 0-1.397 1.398h-.001c.03.04.062.078.098.115l3.85 3.85a1 1 0 0 0 1.415-1.414l-3.85-3.85a1.007 1.007 0 0 0-.115-.1zM12 6.5a5.5 5.5 0 1 1-11 0 5.5 5.5 0 0 1 11 0z'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: 16px center;
  transition: border-color 0.3s ease, box-shadow 0.3s ease;
}

.top-search .form-control:focus {
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(14, 124, 123, 0.15);
  background-color: #fff;
}

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

.channel-bar {
  background: var(--dark-bg);
  border-top: 1px solid rgba(255, 255, 255, 0.04);
}

.channel-list {
  display: flex;
  align-items: center;
  gap: 6px;
  max-width: 1200px;
  margin: 0 auto;
  padding: 6px 20px;
  overflow-x: auto;
  scrollbar-width: none;
  -ms-overflow-style: none;
  white-space: nowrap;
}

.channel-list::-webkit-scrollbar {
  display: none;
}

.channel-link {
  display: inline-flex;
  align-items: center;
  padding: 8px 20px;
  border-radius: var(--radius-tag);
  font-size: 14px;
  font-weight: 600;
  color: rgba(255, 255, 255, 0.85);
  background: transparent;
  border: 1px solid transparent;
  transition: all 0.3s ease;
  text-decoration: none;
  white-space: nowrap;
}

.channel-link:hover {
  color: #fff;
  background: rgba(255, 255, 255, 0.08);
}

.channel-link.active {
  background: var(--accent);
  color: #fff;
  box-shadow: 0 4px 12px rgba(255, 107, 74, 0.3);
}

/* ============================================================
   Hero 区
   ============================================================ */
.page-hero {
  position: relative;
  padding: 88px 0 72px;
  background-color: var(--dark-bg);
  overflow: hidden;
}

.page-hero-bg {
  position: absolute;
  inset: 0;
  background-size: cover;
  background-position: center;
  opacity: 0.4;
  z-index: 1;
}

.page-hero-bg::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(100deg, rgba(10, 43, 42, 0.94) 0%, rgba(10, 43, 42, 0.75) 46%, rgba(10, 43, 42, 0.45) 100%);
}

.page-hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  color: #fff;
  font-size: 13px;
  font-weight: 600;
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  backdrop-filter: blur(6px);
}

.page-hero h1 {
  font-size: 40px;
  font-weight: 800;
  line-height: 1.25;
  color: #fff;
  margin-bottom: 16px;
  letter-spacing: -1px;
}

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

.hero-lead {
  font-size: 17px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.85);
  margin-bottom: 28px;
  max-width: 680px;
}

.hero-actions {
  display: flex;
  flex-wrap: wrap;
  gap: 16px;
  margin-bottom: 36px;
}

.hero-meta-strip {
  display: flex;
  flex-wrap: wrap;
  gap: 28px;
  padding-top: 24px;
  border-top: 1px solid rgba(255, 255, 255, 0.14);
}

.hero-meta-item {
  display: flex;
  align-items: center;
  gap: 12px;
}

.hero-meta-item .icon-circle {
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: rgba(255, 255, 255, 0.12);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 16px;
  color: var(--gold);
}

.hero-meta-item .label {
  font-size: 12px;
  color: rgba(255, 255, 255, 0.6);
  line-height: 1.4;
}

.hero-meta-item .value {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  line-height: 1.4;
  font-variant-numeric: tabular-nums;
}

/* ============================================================
   板块通用
   ============================================================ */
.section {
  padding: 80px 0;
}

.section-alt {
  background: #fff;
}

.section-head {
  margin-bottom: 48px;
  max-width: 640px;
}

.section-eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  font-weight: 700;
  color: var(--primary);
  background: var(--primary-light);
  padding: 6px 16px;
  border-radius: var(--radius-tag);
  margin-bottom: 14px;
  letter-spacing: 0.5px;
}

.section-title {
  font-size: 30px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 12px;
  letter-spacing: -0.5px;
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--text-sub);
}

/* ============================================================
   专题卡片网格
   ============================================================ */
.topic-grid {
  --bs-gutter-y: 24px;
}

.topic-card {
  position: relative;
  background: var(--card-bg);
  border-radius: var(--radius-card);
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.4s ease, transform 0.4s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

.topic-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.topic-card-img {
  position: relative;
  overflow: hidden;
  border-radius: 0;
  background: var(--primary-light);
}

.topic-card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.5s ease;
}

.topic-card:hover .topic-card-img img {
  transform: scale(1.03);
}

.topic-card-img .topic-tag {
  position: absolute;
  top: 14px;
  left: 14px;
  z-index: 2;
}

.topic-card-body {
  padding: 22px 22px 24px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.topic-card-title {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 10px;
  color: var(--text-main);
  transition: color 0.3s ease;
}

.topic-card:hover .topic-card-title {
  color: var(--primary);
}

.topic-card-text {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 16px;
  flex: 1;
}

.topic-card-link {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 14px;
  font-weight: 700;
  color: var(--primary);
  transition: gap 0.3s ease;
}

.topic-card-link:hover {
  gap: 12px;
  color: var(--accent);
}

.topic-tag {
  display: inline-flex;
  align-items: center;
  background: rgba(255, 255, 255, 0.92);
  color: var(--primary);
  font-size: 12px;
  font-weight: 700;
  padding: 4px 12px;
  border-radius: var(--radius-tag);
  letter-spacing: 0.5px;
  backdrop-filter: blur(4px);
}

.topic-feature-card {
  flex-direction: row;
}

.topic-feature-card .topic-card-img {
  flex: 0 0 48%;
  min-height: 300px;
}

.topic-feature-card .topic-card-body {
  padding: 36px;
  justify-content: center;
}

.topic-feature-card .topic-card-title {
  font-size: 24px;
}

.topic-feature-card .topic-card-text {
  font-size: 15px;
}

.topic-feature-card .topic-tag {
  background: var(--accent);
  color: #fff;
  align-self: flex-start;
  margin-bottom: 14px;
}

/* ============================================================
   特色说明区（交错图文）
   ============================================================ */
.feature-block {
  display: flex;
  align-items: center;
  gap: 48px;
  margin-bottom: 72px;
}

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

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

.feature-media {
  flex: 1 1 50%;
  border-radius: 20px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  background: var(--primary-light);
}

.feature-media img {
  width: 100%;
  height: 100%;
  min-height: 260px;
  object-fit: cover;
}

.feature-content {
  flex: 1 1 50%;
}

.feature-content .feature-icon {
  width: 52px;
  height: 52px;
  border-radius: 14px;
  background: var(--primary-light);
  color: var(--primary);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 22px;
  margin-bottom: 18px;
}

.feature-content h3 {
  font-size: 24px;
  font-weight: 700;
  margin-bottom: 14px;
  line-height: 1.4;
}

.feature-content p {
  font-size: 15px;
  line-height: 1.9;
  color: var(--text-sub);
  margin-bottom: 16px;
}

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

.feature-list li {
  position: relative;
  padding-left: 26px;
  margin-bottom: 10px;
  font-size: 14px;
  color: var(--text-main);
}

.feature-list li::before {
  content: "\f00c";
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  position: absolute;
  left: 0;
  top: 2px;
  color: var(--primary);
  font-size: 13px;
}

/* ============================================================
   数据成果区
   ============================================================ */
.section-stats {
  background: var(--dark-bg);
  position: relative;
  overflow: hidden;
}

.section-stats::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 240px;
  height: 240px;
  border-radius: 50%;
  background: rgba(244, 183, 64, 0.08);
}

.section-stats::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: 10%;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(14, 124, 123, 0.15);
}

.stats-inner {
  position: relative;
  z-index: 1;
}

.stats-row {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
}

.stat-item {
  text-align: center;
  padding: 32px 16px;
  border-radius: var(--radius-card);
  background: rgba(255, 255, 255, 0.04);
  border: 1px solid rgba(255, 255, 255, 0.08);
  transition: background 0.3s ease, transform 0.3s ease;
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.08);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--gold);
  line-height: 1.2;
  font-variant-numeric: tabular-nums;
  letter-spacing: -1px;
  margin-bottom: 8px;
}

.stat-label {
  font-size: 14px;
  color: rgba(255, 255, 255, 0.75);
  line-height: 1.6;
}

/* ============================================================
   流程步骤区
   ============================================================ */
.steps-row {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  counter-reset: step;
}

.step-item {
  position: relative;
  background: #fff;
  border-radius: var(--radius-card);
  padding: 36px 28px 28px;
  box-shadow: var(--shadow-card);
  border-top: 4px solid transparent;
  transition: border-color 0.3s ease, box-shadow 0.3s ease, transform 0.3s ease;
}

.step-item:hover {
  border-top-color: var(--accent);
  box-shadow: var(--shadow-hover);
  transform: translateY(-4px);
}

.step-number {
  position: absolute;
  top: -18px;
  left: 28px;
  width: 40px;
  height: 40px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  font-size: 16px;
  font-weight: 800;
  display: flex;
  align-items: center;
  justify-content: center;
  box-shadow: 0 4px 10px rgba(14, 124, 123, 0.3);
}

.step-item h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
  margin-top: 8px;
}

.step-item p {
  font-size: 14px;
  line-height: 1.8;
  color: var(--text-sub);
  margin-bottom: 0;
}

/* ============================================================
   FAQ
   ============================================================ */
.custom-accordion {
  max-width: 820px;
  margin: 0 auto;
}

.custom-accordion .accordion-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px !important;
  margin-bottom: 14px;
  overflow: hidden;
  box-shadow: var(--shadow-card);
  transition: box-shadow 0.3s ease;
}

.custom-accordion .accordion-item:hover {
  box-shadow: var(--shadow-hover);
}

.custom-accordion .accordion-button {
  background: transparent;
  color: var(--text-main);
  font-size: 16px;
  font-weight: 700;
  padding: 20px 24px;
  line-height: 1.6;
  box-shadow: none;
  border: none;
  position: relative;
}

.custom-accordion .accordion-button:not(.collapsed) {
  background: var(--primary-light);
  color: var(--primary-dark);
}

.custom-accordion .accordion-button:focus {
  box-shadow: none;
  outline: 2px solid rgba(14, 124, 123, 0.25);
}

.custom-accordion .accordion-button::after {
  font-family: "Font Awesome 6 Free";
  font-weight: 900;
  content: "\f078";
  background: none;
  width: 20px;
  height: 20px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  transition: transform 0.3s ease;
}

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

.custom-accordion .accordion-body {
  padding: 0 24px 22px;
  color: var(--text-sub);
  font-size: 15px;
  line-height: 1.9;
  border-top: 1px solid rgba(222, 230, 228, 0.6);
}

/* ============================================================
   CTA 区
   ============================================================ */
.section-cta {
  background: linear-gradient(120deg, var(--dark-bg) 0%, #0F3B39 55%, #14504E 100%);
  position: relative;
  overflow: hidden;
}

.section-cta::before {
  content: "";
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--accent), var(--gold));
}

.section-cta::after {
  content: "";
  position: absolute;
  bottom: -30px;
  right: -30px;
  width: 180px;
  height: 180px;
  border-radius: 50%;
  background: rgba(244, 183, 64, 0.1);
}

.cta-inner {
  text-align: center;
  max-width: 700px;
  margin: 0 auto;
  position: relative;
  z-index: 1;
}

.cta-inner h2 {
  font-size: 32px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 16px;
  line-height: 1.4;
}

.cta-inner p {
  font-size: 16px;
  line-height: 1.9;
  color: rgba(255, 255, 255, 0.8);
  margin-bottom: 30px;
}

/* ============================================================
   页脚
   ============================================================ */
.site-footer {
  background: var(--dark-bg);
  color: rgba(255, 255, 255, 0.8);
  padding: 64px 0 0;
}

.footer-grid {
  display: grid;
  grid-template-columns: 1.4fr 1fr 1fr 1fr;
  gap: 40px;
  padding-bottom: 48px;
}

.footer-brand {
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 16px;
}

.footer-brand .brand-text {
  color: #fff;
  font-size: 20px;
}

.footer-desc {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.6);
  max-width: 260px;
  margin-bottom: 20px;
}

.footer-social {
  display: flex;
  gap: 12px;
}

.footer-social a {
  width: 38px;
  height: 38px;
  border-radius: 10px;
  background: rgba(255, 255, 255, 0.08);
  color: rgba(255, 255, 255, 0.7);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 15px;
  transition: all 0.3s ease;
}

.footer-social a:hover {
  background: var(--accent);
  color: #fff;
  transform: translateY(-3px);
}

.footer-title {
  font-size: 16px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
}

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

.footer-links li {
  margin-bottom: 10px;
}

.footer-links a {
  color: rgba(255, 255, 255, 0.6);
  font-size: 14px;
  transition: color 0.3s ease, padding-left 0.3s ease;
}

.footer-links a:hover {
  color: var(--gold);
  padding-left: 4px;
}

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding: 20px 0;
  text-align: center;
}

.footer-bottom p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.45);
  margin: 0;
}

/* ============================================================
   响应式
   ============================================================ */
@media (max-width: 992px) {
  .section {
    padding: 64px 0;
  }

  .page-hero {
    padding: 72px 0 60px;
  }

  .page-hero h1 {
    font-size: 34px;
  }

  .feature-block,
  .feature-block.reverse {
    flex-direction: column;
    gap: 32px;
  }

  .feature-media,
  .feature-content {
    flex: none;
    width: 100%;
  }

  .stats-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 20px;
  }

  .steps-row {
    grid-template-columns: repeat(2, 1fr);
    gap: 24px;
  }

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

  .topic-feature-card {
    flex-direction: column;
  }

  .topic-feature-card .topic-card-img {
    flex: none;
    min-height: 220px;
  }

  .topic-feature-card .topic-card-body {
    padding: 24px;
  }
}

@media (max-width: 768px) {
  .section {
    padding: 48px 0;
  }

  .top-bar {
    padding: 10px 16px;
    gap: 12px;
  }

  .brand-text {
    font-size: 18px;
  }

  .brand-icon {
    width: 34px;
    height: 34px;
    font-size: 15px;
  }

  .channel-list {
    padding: 6px 16px;
  }

  .page-hero {
    padding: 56px 0 48px;
  }

  .page-hero h1 {
    font-size: 27px;
  }

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

  .hero-meta-strip {
    gap: 16px;
  }

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

  .section-subtitle {
    font-size: 15px;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .stats-row {
    grid-template-columns: 1fr 1fr;
    gap: 14px;
  }

  .stat-number {
    font-size: 32px;
  }

  .stat-item {
    padding: 24px 12px;
  }

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

  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
    padding-bottom: 32px;
  }

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

  .topic-feature-card .topic-card-title {
    font-size: 20px;
  }

  .topic-card-body {
    padding: 18px;
  }
}

@media (max-width: 576px) {
  .container {
    padding-left: 16px;
    padding-right: 16px;
  }

  .page-hero h1 {
    font-size: 24px;
    line-height: 1.35;
  }

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

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

  .stats-row {
    grid-template-columns: 1fr 1fr;
  }

  .feature-list li {
    font-size: 13px;
  }

  .footer-bottom p {
    font-size: 12px;
  }
}