/* roulang page: index */
:root{
  --primary:#0c1c3e;
  --primary-dark:#071227;
  --accent:#d9a641;
  --accent-light:#f0cd7d;
  --bg-body:#f5f7fc;
  --bg-section:#ffffff;
  --bg-soft:#eef2f8;
  --text-main:#16233a;
  --text-muted:#5c6f8c;
  --border-soft:#dfe6f0;
  --radius-lg:20px;
  --radius-md:14px;
  --radius-sm:8px;
  --shadow-card:0 6px 30px rgba(12,28,62,0.07);
  --shadow-hover:0 16px 46px rgba(12,28,62,0.13);
  --transition:all .35s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  line-height:1.7;color:var(--text-main);background:var(--bg-body);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
ul,ol{list-style:none}
.container{max-width:1200px;margin-left:auto;margin-right:auto;padding-left:20px;padding-right:20px}
.section{padding:96px 0}
.section-head{text-align:center;max-width:720px;margin:0 auto 56px}
.section-label{
  display:inline-block;background:rgba(217,166,65,.12);color:var(--accent);
  font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  padding:6px 20px;border-radius:100px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3.6vw,38px);font-weight:800;line-height:1.3;letter-spacing:-.5px}
.section-head p{color:var(--text-muted);font-size:16px;margin-top:14px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;padding:12px 32px;border-radius:100px;
  border:2px solid transparent;cursor:pointer;transition:var(--transition);
  line-height:1.4;white-space:nowrap;
}
.btn:focus-visible{outline:3px solid rgba(217,166,65,.4);outline-offset:3px}
.btn-primary{background:var(--accent);color:#fff}
.btn-primary:hover{background:#c9942f;transform:translateY(-2px);box-shadow:0 10px 28px rgba(217,166,65,.35)}
.btn-outline{border-color:rgba(255,255,255,.7);color:#fff;background:transparent}
.btn-outline:hover{border-color:#fff;background:rgba(255,255,255,.12);transform:translateY(-2px)}
.btn-light{background:#fff;color:var(--primary);border-color:#fff}
.btn-light:hover{background:var(--accent-light);border-color:var(--accent-light);transform:translateY(-2px)}
.btn-outline-light{border-color:rgba(255,255,255,.6);color:#fff}
.btn-outline-light:hover{border-color:#fff;background:rgba(255,255,255,.1);transform:translateY(-2px)}
.btn-lg{padding:15px 42px;font-size:16px}

/* Header */
.site-header{
  position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
  backdrop-filter:blur(12px);border-bottom:1px solid rgba(12,28,62,.06);
  box-shadow:0 2px 18px rgba(12,28,62,.04);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:76px}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  background:linear-gradient(135deg,var(--primary),var(--accent));
  color:#fff;font-weight:800;font-size:18px;width:44px;height:44px;
  border-radius:12px;display:flex;align-items:center;justify-content:center;letter-spacing:-.5px;
}
.logo-text{font-size:22px;font-weight:800;color:var(--primary);letter-spacing:-.3px}
.main-nav{display:flex;align-items:center;gap:8px}
.main-nav li a{
  display:block;padding:9px 22px;font-size:15px;font-weight:500;color:var(--text-muted);
  border-radius:100px;transition:var(--transition);
}
.main-nav li a:hover{color:var(--primary);background:var(--bg-soft)}
.main-nav li a.active{color:var(--primary);font-weight:700;background:rgba(217,166,65,.12)}
.nav-cta{margin-left:14px}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--primary);cursor:pointer;padding:8px}

/* Hero */
.hero{
  position:relative;min-height:90vh;display:flex;align-items:center;overflow:hidden;
}
.hero-bg{
  position:absolute;inset:0;background-size:cover;background-position:center;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(110deg,rgba(7,18,39,.88) 20%,rgba(12,28,62,.62) 60%,rgba(7,18,39,.4));
}
.hero-content{position:relative;z-index:2;color:#fff;max-width:780px;padding:100px 0}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;background:rgba(217,166,65,.15);
  border:1px solid rgba(217,166,65,.4);color:var(--accent-light);
  font-size:13px;font-weight:600;letter-spacing:1px;padding:7px 20px;border-radius:100px;margin-bottom:28px;
}
.hero-tag i{font-size:12px}
.hero h1{font-size:clamp(28px,5vw,54px);font-weight:800;line-height:1.2;letter-spacing:-1px;margin-bottom:24px}
.hero h1 em{color:var(--accent-light);font-style:normal}
.hero p{font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);margin-bottom:36px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:52px}
.hero-stats{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.16);padding-top:36px;max-width:640px}
.hero-stats .stat{flex:1;min-width:130px;padding:8px 20px 8px 0;border-right:1px solid rgba(255,255,255,.12)}
.hero-stats .stat:last-child{border-right:none}
.hero-stats .stat strong{display:block;font-size:30px;font-weight:800;color:#fff;line-height:1.2}
.hero-stats .stat span{font-size:13px;color:rgba(255,255,255,.62);letter-spacing:1px}

/* Services */
.services-section{background:var(--bg-section)}
.service-card{
  height:100%;padding:44px 34px;text-align:center;border:1px solid var(--border-soft);
  border-radius:var(--radius-lg);background:#fff;box-shadow:var(--shadow-card);transition:var(--transition);
}
.service-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.service-icon{
  width:72px;height:72px;margin:0 auto 24px;border-radius:20px;
  background:linear-gradient(135deg,rgba(217,166,65,.14),rgba(217,166,65,.06));
  display:flex;align-items:center;justify-content:center;font-size:28px;color:var(--accent);
}
.service-card h3{font-size:20px;font-weight:700;margin-bottom:12px}
.service-card p{font-size:15px;color:var(--text-muted);line-height:1.8}

/* Categories */
.categories-section{background:var(--bg-body)}
.category-card{
  display:flex;flex-direction:column;height:100%;border-radius:var(--radius-lg);
  border:1px solid var(--border-soft);background:#fff;overflow:hidden;
  box-shadow:var(--shadow-card);transition:var(--transition);
}
.category-card:hover{transform:translateY(-8px);box-shadow:var(--shadow-hover)}
.category-cover{overflow:hidden;position:relative}
.category-cover img{width:100%;height:230px;object-fit:cover;transition:transform .6s ease}
.category-card:hover .category-cover img{transform:scale(1.05)}
.category-cover::after{
  content:'';position:absolute;inset:0;
  background:linear-gradient(to top,rgba(7,18,39,.25),transparent 50%);
}
.category-body{padding:30px;display:flex;flex-direction:column;flex:1}
.badge{
  align-self:flex-start;background:rgba(217,166,65,.14);color:var(--accent);
  font-size:12px;font-weight:700;letter-spacing:1px;padding:4px 16px;border-radius:100px;margin-bottom:12px;
}
.category-body h3{font-size:22px;font-weight:700;margin-bottom:10px}
.category-body p{font-size:15px;color:var(--text-muted);line-height:1.8;margin-bottom:20px;flex:1}
.category-link{color:var(--primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:8px}
.category-link i{transition:transform .3s ease}
.category-card:hover .category-link i{transform:translateX(5px)}

/* News */
.news-section{background:var(--bg-section)}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-item{
  display:block;padding:32px;border-radius:var(--radius-lg);background:#fff;
  border:1px solid var(--border-soft);border-left:4px solid var(--accent);
  box-shadow:var(--shadow-card);transition:var(--transition);
}
.news-item:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-left-color:var(--primary)}
.news-meta{display:flex;align-items:center;gap:14px;margin-bottom:12px}
.news-cat{font-size:12px;font-weight:700;color:var(--accent);background:rgba(217,166,65,.1);padding:4px 14px;border-radius:100px}
.news-date{font-size:13px;color:var(--text-muted)}
.news-item h3{font-size:18px;font-weight:700;line-height:1.5;margin-bottom:10px;color:var(--text-main)}
.news-item p{font-size:14px;color:var(--text-muted);line-height:1.7;margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-more{font-size:14px;font-weight:600;color:var(--primary)}
.news-more i{transition:transform .3s ease}
.news-item:hover .news-more i{transform:translateX(5px)}
.empty-tip{grid-column:1/-1;text-align:center;padding:56px;color:var(--text-muted);font-size:16px;background:var(--bg-soft);border-radius:var(--radius-lg)}

/* Stats */
.stats-section{background:var(--primary-dark);position:relative;overflow:hidden}
.stats-section::before{
  content:'';position:absolute;top:-80px;right:-80px;width:320px;height:320px;border-radius:50%;
  background:rgba(217,166,65,.08);
}
.stats-section::after{
  content:'';position:absolute;bottom:-120px;left:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.03);
}
.stats-grid{position:relative;z-index:2}
.stat-card{text-align:center;padding:40px 20px}
.stat-card strong{display:block;font-size:clamp(30px,4vw,46px);font-weight:800;color:var(--accent);line-height:1.2;margin-bottom:8px}
.stat-card span{font-size:14px;letter-spacing:1px;color:rgba(255,255,255,.68)}

/* Process */
.process-section{background:var(--bg-body)}
.process-steps{display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.process-step{
  position:relative;text-align:center;padding:44px 24px;background:#fff;
  border-radius:var(--radius-lg);border:1px solid var(--border-soft);
  box-shadow:var(--shadow-card);transition:var(--transition);overflow:hidden;
}
.process-step:hover{transform:translateY(-6px);box-shadow:var(--shadow-hover)}
.step-num{
  display:block;font-size:60px;font-weight:800;color:rgba(217,166,65,.18);
  line-height:1;margin-bottom:20px;letter-spacing:-2px;
}
.process-step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-muted);line-height:1.7}

/* FAQ */
.faq-section{background:var(--bg-section)}
.faq-list{max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-md);
  padding:28px 32px;margin-bottom:16px;box-shadow:var(--shadow-card);transition:var(--transition);
}
.faq-item:hover{border-color:rgba(217,166,65,.4);box-shadow:var(--shadow-hover)}
.faq-item h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:8px}
.faq-item p{font-size:15px;color:var(--text-muted);line-height:1.8}

/* CTA */
.cta-section{
  position:relative;background-size:cover;background-position:center;text-align:center;
  padding:120px 0;color:#fff;overflow:hidden;
}
.cta-section::before{content:'';position:absolute;inset:0;background:linear-gradient(120deg,rgba(7,18,39,.9),rgba(12,28,62,.7))}
.cta-section .container{position:relative;z-index:2}
.cta-section h2{font-size:clamp(24px,4vw,40px);font-weight:800;line-height:1.3;margin-bottom:16px}
.cta-section p{font-size:17px;color:rgba(255,255,255,.75);margin-bottom:36px}
.cta-buttons{display:flex;flex-wrap:wrap;justify-content:center;gap:16px}

/* Footer */
.site-footer{background:var(--primary-dark);color:#aab6cc}
.footer-top{display:grid;grid-template-columns:1.2fr 1fr;gap:60px;padding:70px 0 50px}
.footer-brand .footer-logo{font-size:26px;font-weight:800;color:#fff;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.footer-brand .footer-logo .logo-mark{width:40px;height:40px;font-size:16px}
.footer-brand p{font-size:14px;line-height:1.9;max-width:400px}
.footer-links{display:flex;gap:60px;justify-content:flex-end}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:20px;letter-spacing:1px}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#aab6cc;transition:var(--transition)}
.footer-col a:hover{color:var(--accent-light);padding-left:4px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.08);padding:22px 0;font-size:14px;text-align:center;color:rgba(255,255,255,.4)}

/* Mobile nav */
.nav-toggle{display:none}

/* Responsive */
@media screen and (max-width:1024px){
  .section{padding:78px 0}
  .process-steps{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr;gap:40px}
  .footer-links{justify-content:flex-start}
}
@media screen and (max-width:768px){
  .header-inner{height:68px}
  .nav-toggle{display:block;z-index:101}
  .main-nav{
    position:fixed;top:68px;left:0;right:0;background:#fff;flex-direction:column;
    padding:20px;gap:4px;transform:translateY(-120%);transition:transform .4s ease;
    box-shadow:0 20px 40px rgba(12,28,62,.1);border-top:1px solid var(--border-soft);
  }
  .main-nav.open{transform:translateY(0)}
  .main-nav li{width:100%}
  .main-nav li a{display:block;padding:14px 20px;text-align:center;border-radius:12px}
  .nav-cta{display:none}
  .hero{min-height:82vh}
  .hero-content{padding:70px 0}
  .hero-stats .stat{padding:8px 12px 8px 0}
  .hero-stats .stat strong{font-size:24px}
  .news-list{grid-template-columns:1fr}
  .process-steps{grid-template-columns:1fr 1fr}
  .section-head{margin-bottom:40px}
}
@media screen and (max-width:520px){
  .section{padding:64px 0}
  .hero h1{font-size:30px}
  .hero p{font-size:15px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-stats{flex-wrap:wrap;gap:16px}
  .hero-stats .stat{min-width:46%;border-bottom:1px solid rgba(255,255,255,.08);border-right:none;padding:8px 0}
  .process-steps{grid-template-columns:1fr}
  .cta-section{padding:80px 0}
  .cta-buttons{flex-direction:column;align-items:stretch}
  .cta-buttons .btn{width:100%}
  .footer-links{flex-direction:column;gap:32px}
  .logo-text{font-size:19px}
}

/* roulang page: article */
:root {
  --color-primary: #1a4b8c;
  --color-primary-dark: #0f3460;
  --color-primary-light: #3a7bd5;
  --color-accent: #f0a500;
  --color-accent-light: #f7c948;
  --color-bg: #f8fafc;
  --color-bg-alt: #f1f5f9;
  --color-bg-dark: #0f172a;
  --color-text: #1e293b;
  --color-text-light: #64748b;
  --color-white: #ffffff;
  --color-border: #e2e8f0;
  --color-success: #10b981;
  --radius-sm: 6px;
  --radius-md: 12px;
  --radius-lg: 20px;
  --shadow-sm: 0 2px 8px rgba(0,0,0,0.06);
  --shadow-md: 0 4px 20px rgba(0,0,0,0.08);
  --shadow-lg: 0 12px 40px rgba(0,0,0,0.12);
  --transition: all 0.3s ease;
  --container-max: 1200px;
}
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--color-bg);
  color: var(--color-text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
ul, ol { list-style: none; }
button { border: none; cursor: pointer; font-family: inherit; }
.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding: 0 24px;
  width: 100%;
}
.grid-container { max-width: var(--container-max); }

/* ===== Header & Nav ===== */
.site-header {
  background: rgba(255,255,255,0.95);
  backdrop-filter: blur(10px);
  border-bottom: 1px solid var(--color-border);
  position: sticky;
  top: 0;
  z-index: 1000;
  box-shadow: 0 1px 10px rgba(0,0,0,0.04);
}
.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 72px;
  gap: 20px;
}
.logo { display: flex; align-items: center; gap: 8px; flex-shrink: 0; }
.logo-mark {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-light));
  color: var(--color-white);
  font-weight: 800;
  font-size: 20px;
  width: 40px;
  height: 40px;
  border-radius: var(--radius-sm);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  letter-spacing: -1px;
  box-shadow: 0 2px 8px rgba(26,75,140,0.3);
}
.logo-text { font-size: 22px; font-weight: 700; color: var(--color-text); letter-spacing: 1px; }
.main-nav ul { display: flex; gap: 8px; align-items: center; }
.main-nav ul li a {
  padding: 10px 18px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 500;
  color: var(--color-text-light);
  transition: var(--transition);
}
.main-nav ul li a:hover { color: var(--color-primary); background: rgba(26,75,140,0.06); }
.main-nav ul li a.active { color: var(--color-primary); background: rgba(26,75,140,0.1); font-weight: 600; }
.nav-cta {
  background: var(--color-primary);
  color: var(--color-white);
  padding: 10px 22px;
  border-radius: 50px;
  font-size: 14px;
  font-weight: 600;
  transition: var(--transition);
  box-shadow: 0 2px 10px rgba(26,75,140,0.25);
}
.nav-cta:hover { background: var(--color-primary-dark); transform: translateY(-1px); box-shadow: 0 4px 16px rgba(26,75,140,0.35); color: var(--color-white); }
.nav-toggle {
  display: none;
  background: none;
  font-size: 22px;
  color: var(--color-text);
  padding: 8px;
  border-radius: var(--radius-sm);
  line-height: 1;
}
.nav-toggle:hover { background: rgba(0,0,0,0.05); }

/* ===== Buttons ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  transition: var(--transition);
  border: 2px solid transparent;
  line-height: 1.4;
}
.btn-primary { background: var(--color-primary); color: var(--color-white); box-shadow: 0 4px 14px rgba(26,75,140,0.3); }
.btn-primary:hover { background: var(--color-primary-dark); transform: translateY(-2px); box-shadow: 0 6px 20px rgba(26,75,140,0.4); color: var(--color-white); }
.btn-outline { border-color: var(--color-primary); color: var(--color-primary); background: transparent; }
.btn-outline:hover { background: rgba(26,75,140,0.06); transform: translateY(-2px); }
.btn-accent { background: var(--color-accent); color: var(--color-bg-dark); box-shadow: 0 4px 14px rgba(240,165,0,0.3); }
.btn-accent:hover { background: #d49400; transform: translateY(-2px); box-shadow: 0 6px 20px rgba(240,165,0,0.4); }
.btn-lg { padding: 16px 36px; font-size: 16px; }
.btn:focus-visible { outline: 3px solid rgba(26,75,140,0.5); outline-offset: 2px; }

/* ===== Page Banner ===== */
.page-banner {
  background-size: cover;
  background-position: center;
  position: relative;
  padding: 80px 0 60px;
  color: var(--color-white);
}
.page-banner::before {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,52,96,0.92) 0%, rgba(26,75,140,0.75) 60%, rgba(58,123,213,0.55) 100%);
}
.page-banner .container { position: relative; z-index: 1; }
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 13px;
  color: rgba(255,255,255,0.8);
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.breadcrumb a { color: rgba(255,255,255,0.85); }
.breadcrumb a:hover { color: var(--color-accent-light); }
.breadcrumb .divider { opacity: 0.5; margin: 0 2px; }
.banner-title {
  font-size: 38px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 16px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
  max-width: 840px;
}
.article-meta {
  display: flex;
  gap: 20px;
  flex-wrap: wrap;
  align-items: center;
}
.meta-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  color: rgba(255,255,255,0.85);
  background: rgba(255,255,255,0.15);
  padding: 6px 14px;
  border-radius: 50px;
  backdrop-filter: blur(4px);
}
.meta-item i { font-size: 13px; }

/* ===== Article Section ===== */
.article-section { padding: 60px 0 80px; }
.article-layout { display: flex; gap: 40px; }
.article-main { flex: 1; min-width: 0; }
.article-sidebar { width: 340px; flex-shrink: 0; }
.article-card {
  background: var(--color-white);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
}
.article-body { padding: 40px 44px; }
.article-content { font-size: 16px; line-height: 1.9; color: var(--color-text); }
.article-content h2 { font-size: 26px; font-weight: 700; margin: 36px 0 16px; color: var(--color-primary-dark); }
.article-content h3 { font-size: 22px; font-weight: 700; margin: 28px 0 12px; color: var(--color-primary-dark); }
.article-content p { margin-bottom: 20px; }
.article-content ul, .article-content ol { margin: 0 0 20px 24px; padding: 0; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content blockquote {
  border-left: 4px solid var(--color-accent);
  background: rgba(240,165,0,0.06);
  padding: 16px 20px;
  margin: 24px 0;
  border-radius: 0 var(--radius-md) var(--radius-md) 0;
  color: var(--color-text-light);
  font-style: italic;
}
.article-content img { border-radius: var(--radius-md); margin: 24px 0; box-shadow: var(--shadow-md); }
.article-content a { color: var(--color-primary); font-weight: 500; }
.article-content a:hover { text-decoration: underline; }
.article-content table { width: 100%; border-collapse: collapse; margin: 24px 0; }
.article-content th, .article-content td { padding: 12px 16px; border: 1px solid var(--color-border); text-align: left; }
.article-content th { background: var(--color-bg-alt); font-weight: 600; }

.article-footer {
  display: flex;
  justify-content: space-between;
  align-items: flex-start;
  margin-top: 36px;
  padding-top: 24px;
  border-top: 1px solid var(--color-border);
  gap: 20px;
  flex-wrap: wrap;
}
.article-tags { display: flex; gap: 8px; flex-wrap: wrap; }
.tag {
  display: inline-block;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  padding: 6px 14px;
  border-radius: 50px;
  font-size: 13px;
  font-weight: 500;
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.tag:hover { background: rgba(26,75,140,0.08); color: var(--color-primary); border-color: rgba(26,75,140,0.3); }
.article-share { display: flex; gap: 8px; align-items: center; }
.article-share span { font-size: 13px; color: var(--color-text-light); margin-right: 4px; }
.share-btn {
  width: 36px;
  height: 36px;
  border-radius: 50%;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  background: var(--color-bg-alt);
  color: var(--color-text-light);
  transition: var(--transition);
  border: 1px solid var(--color-border);
}
.share-btn:hover { background: var(--color-primary); color: var(--color-white); transform: translateY(-2px); box-shadow: 0 4px 10px rgba(26,75,140,0.3); }

/* ===== Not Found ===== */
.not-found-box {
  text-align: center;
  padding: 80px 40px;
}
.not-found-box i { font-size: 56px; color: var(--color-primary-light); margin-bottom: 24px; }
.not-found-box h2 { font-size: 28px; font-weight: 700; margin-bottom: 12px; color: var(--color-text); }
.not-found-box p { color: var(--color-text-light); margin-bottom: 28px; }

/* ===== Sidebar ===== */
.sidebar-widget {
  background: var(--color-white);
  border-radius: var(--radius-md);
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  padding: 28px;
  margin-bottom: 24px;
}
.widget-title {
  font-size: 17px;
  font-weight: 700;
  color: var(--color-text);
  margin-bottom: 18px;
  display: flex;
  align-items: center;
  gap: 8px;
}
.widget-title::after {
  content: "";
  flex: 1;
  height: 2px;
  background: linear-gradient(to right, rgba(26,75,140,0.2), transparent);
  border-radius: 1px;
}
.sidebar-post-item {
  display: flex;
  align-items: center;
  gap: 14px;
  padding: 12px 0;
  border-bottom: 1px solid var(--color-border);
  transition: var(--transition);
}
.sidebar-post-item:last-child { border-bottom: none; }
.sidebar-post-item:hover { transform: translateX(4px); }
.sidebar-post-thumb {
  width: 60px;
  height: 60px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.sidebar-post-info { flex: 1; min-width: 0; }
.sidebar-post-title {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.4;
  margin-bottom: 4px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.sidebar-post-title:hover { color: var(--color-primary); }
.sidebar-post-date { font-size: 12px; color: var(--color-text-light); }
.sidebar-contact {
  background: linear-gradient(135deg, var(--color-primary), var(--color-primary-dark));
  color: var(--color-white);
  border: none;
  position: relative;
  overflow: hidden;
}
.sidebar-contact::before {
  content: "";
  position: absolute;
  top: -40px;
  right: -40px;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(255,255,255,0.08);
}
.sidebar-contact h4 { font-size: 18px; font-weight: 700; margin-bottom: 8px; }
.sidebar-contact p { font-size: 14px; color: rgba(255,255,255,0.85); margin-bottom: 16px; line-height: 1.6; }
.sidebar-contact .btn { width: 100%; }
.sidebar-contact .btn:hover { color: var(--color-white); }

/* ===== Related Section ===== */
.related-section { padding: 60px 0; background: var(--color-bg-alt); }
.section-title {
  text-align: center;
  margin-bottom: 40px;
}
.section-title .sub { font-size: 14px; color: var(--color-accent); font-weight: 600; letter-spacing: 2px; text-transform: uppercase; margin-bottom: 8px; display: block; }
.section-title h2 { font-size: 32px; font-weight: 800; color: var(--color-text); }
.related-card {
  background: var(--color-white);
  border-radius: var(--radius-md);
  overflow: hidden;
  border: 1px solid var(--color-border);
  box-shadow: var(--shadow-sm);
  transition: var(--transition);
  height: 100%;
  display: flex;
  flex-direction: column;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(26,75,140,0.2); }
.related-card-img { width: 100%; height: 180px; object-fit: cover; position: relative; }
.related-card-body { padding: 20px; flex: 1; display: flex; flex-direction: column; }
.related-card-tag {
  display: inline-block;
  font-size: 12px;
  font-weight: 600;
  color: var(--color-primary);
  background: rgba(26,75,140,0.08);
  padding: 4px 12px;
  border-radius: 50px;
  margin-bottom: 12px;
  align-self: flex-start;
}
.related-card-title {
  font-size: 16px;
  font-weight: 600;
  color: var(--color-text);
  line-height: 1.5;
  margin-bottom: 8px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
  transition: var(--transition);
}
.related-card-title:hover { color: var(--color-primary); }
.related-card-excerpt {
  font-size: 13px;
  color: var(--color-text-light);
  line-height: 1.6;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card-meta { display: flex; gap: 12px; font-size: 12px; color: var(--color-text-light); margin-top: 12px; }

/* ===== FAQ ===== */
.faq-section { padding: 60px 0; background: var(--color-white); }
.faq-list { max-width: 800px; margin: 0 auto; }
.faq-item {
  border: 1px solid var(--color-border);
  border-radius: var(--radius-md);
  margin-bottom: 16px;
  background: var(--color-bg);
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { border-color: rgba(26,75,140,0.3); box-shadow: var(--shadow-sm); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 20px 24px;
  cursor: pointer;
  font-weight: 600;
  font-size: 16px;
  color: var(--color-text);
  transition: var(--transition);
}
.faq-question i { color: var(--color-primary); font-size: 16px; transition: var(--transition); flex-shrink: 0; }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
  padding: 0 24px;
  color: var(--color-text-light);
  font-size: 14px;
  line-height: 1.8;
}
.faq-item.active .faq-answer { max-height: 300px; padding: 0 24px 20px; }
.faq-item.active .faq-question i { transform: rotate(180deg); }

/* ===== CTA ===== */
.cta-section {
  background: linear-gradient(135deg, var(--color-primary-dark) 0%, var(--color-primary) 100%);
  color: var(--color-white);
  padding: 80px 0;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-section::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -60px;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(255,255,255,0.06);
}
.cta-section::after {
  content: "";
  position: absolute;
  bottom: -80px;
  left: -40px;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255,255,255,0.04);
}
.cta-content { position: relative; z-index: 1; }
.cta-content h2 { font-size: 34px; font-weight: 800; margin-bottom: 12px; }
.cta-content p { font-size: 16px; color: rgba(255,255,255,0.85); max-width: 600px; margin: 0 auto 30px; }
.cta-actions { display: flex; gap: 16px; justify-content: center; flex-wrap: wrap; }

/* ===== Footer ===== */
.site-footer {
  background: var(--color-bg-dark);
  color: rgba(255,255,255,0.75);
  padding: 60px 0 0;
}
.footer-top {
  display: grid;
  grid-template-columns: 1.2fr 1fr;
  gap: 60px;
  padding-bottom: 40px;
  border-bottom: 1px solid rgba(255,255,255,0.08);
}
.footer-logo { display: flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 700; color: var(--color-white); margin-bottom: 16px; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 420px; }
.footer-links { display: grid; grid-template-columns: 1fr 1fr; gap: 40px; }
.footer-col h4 { font-size: 15px; font-weight: 600; color: var(--color-white); margin-bottom: 16px; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul li a { font-size: 14px; color: rgba(255,255,255,0.6); transition: var(--transition); }
.footer-col ul li a:hover { color: var(--color-accent-light); padding-left: 4px; }
.footer-bottom {
  padding: 20px 0;
  text-align: center;
  font-size: 13px;
  color: rgba(255,255,255,0.4);
  border-top: 1px solid rgba(255,255,255,0.06);
}

/* ===== Responsive ===== */
@media (max-width: 1024px) {
  .article-layout { flex-direction: column; }
  .article-sidebar { width: 100%; }
  .sidebar-widget { display: grid; grid-template-columns: 1fr 1fr; gap: 20px; margin-bottom: 16px; }
  .sidebar-widget.sidebar-contact { display: block; }
  .banner-title { font-size: 32px; }
}
@media (max-width: 768px) {
  .header-inner { height: 64px; }
  .nav-toggle { display: block; }
  .main-nav {
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: var(--color-white);
    border-bottom: 1px solid var(--color-border);
    box-shadow: var(--shadow-md);
    padding: 16px 24px;
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    visibility: hidden;
  }
  .main-nav.open { max-height: 400px; padding: 20px 24px; visibility: visible; }
  .main-nav ul { flex-direction: column; gap: 4px; }
  .main-nav ul li a { display: block; padding: 12px 16px; font-size: 15px; border-radius: var(--radius-sm); }
  .nav-cta { display: none; }
  .page-banner { padding: 60px 0 40px; }
  .banner-title { font-size: 26px; }
  .article-body { padding: 24px; }
  .article-section { padding: 40px 0 60px; }
  .footer-top { grid-template-columns: 1fr; gap: 40px; }
  .footer-links { grid-template-columns: 1fr; gap: 24px; }
  .cta-content h2 { font-size: 28px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .btn-lg { width: 100%; max-width: 320px; }
  .sidebar-widget { grid-template-columns: 1fr; }
  .article-footer { flex-direction: column; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo-text { font-size: 18px; }
  .banner-title { font-size: 22px; }
  .meta-item { font-size: 12px; padding: 4px 10px; }
  .section-title h2 { font-size: 26px; }
  .article-body { padding: 16px; }
  .article-content { font-size: 15px; }
  .footer-bottom p { font-size: 12px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --primary:#0f4c81;
  --primary-dark:#09345a;
  --primary-light:#e8f0fa;
  --accent:#d4a24e;
  --accent-dark:#b8892f;
  --accent-light:#fdf6e9;
  --bg-body:#ffffff;
  --bg-section:#f4f7fb;
  --bg-dark:#0b2e4d;
  --text-heading:#102a43;
  --text-body:#334e68;
  --text-muted:#7b8fa1;
  --border:#dbe4ee;
  --white:#fff;
  --radius-sm:8px;
  --radius-md:16px;
  --radius-lg:32px;
  --shadow-sm:0 2px 10px rgba(16,42,67,.06);
  --shadow-md:0 10px 32px rgba(16,42,67,.10);
  --shadow-lg:0 24px 60px rgba(16,42,67,.14);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --container-w:1200px;
}

/* ===== Reset & Base ===== */
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  background:var(--bg-body);
  color:var(--text-body);
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  font-size:16px;
}
img{max-width:100%;display:block}
a{text-decoration:none;color:inherit;transition:var(--transition)}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
.container{max-width:var(--container-w);margin:0 auto;padding:0 24px}
.grid-x{display:flex;flex-wrap:wrap}

/* ===== 通用排版 ===== */
.section{padding:96px 0}
.section-head{max-width:720px;margin:0 auto 56px;text-align:center}
.section-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--accent-light);
  color:var(--accent-dark);
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  padding:6px 18px;
  border-radius:100px;
  margin-bottom:16px;
}
.section-title{
  font-size:clamp(28px,3.4vw,40px);
  color:var(--text-heading);
  font-weight:700;
  line-height:1.25;
  margin-bottom:16px;
}
.section-desc{
  font-size:17px;
  color:var(--text-muted);
  line-height:1.8;
}
.section-head .section-title::after{
  content:"";
  display:block;
  width:56px;
  height:3px;
  background:var(--accent);
  margin:18px auto 0;
  border-radius:4px;
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:13px 30px;
  border-radius:100px;
  font-size:15px;
  font-weight:600;
  line-height:1;
  cursor:pointer;
  border:2px solid transparent;
  transition:var(--transition);
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{
  background:var(--primary);
  color:var(--white);
  box-shadow:0 6px 20px rgba(15,76,129,.25);
}
.btn-primary:hover{
  background:var(--primary-dark);
  transform:translateY(-2px);
  color:var(--white);
  box-shadow:0 10px 30px rgba(15,76,129,.3);
}
.btn-outline{
  background:transparent;
  color:var(--primary);
  border-color:var(--primary);
}
.btn-outline:hover{
  background:var(--primary);
  color:var(--white);
  transform:translateY(-2px);
  box-shadow:0 8px 24px rgba(15,76,129,.2);
}
.btn-accent{
  background:var(--accent);
  color:var(--white);
  box-shadow:0 6px 20px rgba(212,162,78,.3);
}
.btn-accent:hover{
  background:var(--accent-dark);
  color:var(--white);
  transform:translateY(-2px);
}
.btn-light{
  background:var(--white);
  color:var(--primary);
}
.btn-light:hover{
  background:var(--primary-light);
  transform:translateY(-2px);
}

/* ===== Header ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(219,228,238,.7);
  box-shadow:0 2px 16px rgba(16,42,67,.05);
}
.header-inner{
  display:flex;
  align-items:center;
  height:72px;
  gap:32px;
}
.logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:var(--text-heading);
  flex-shrink:0;
}
.logo-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:38px;
  height:38px;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:var(--white);
  border-radius:10px;
  font-size:16px;
  font-weight:800;
  letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(15,76,129,.3);
}
.logo-text{color:var(--primary);letter-spacing:1px}
.main-nav{margin-left:auto}
.main-nav ul{display:flex;gap:8px}
.main-nav a{
  position:relative;
  display:block;
  padding:10px 18px;
  font-size:15px;
  font-weight:500;
  color:var(--text-body);
  border-radius:100px;
}
.main-nav a:hover{
  color:var(--primary);
  background:var(--primary-light);
}
.main-nav a.active{
  color:var(--primary);
  background:var(--primary-light);
  font-weight:600;
}
.main-nav a.active::after{
  content:"";
  position:absolute;
  bottom:4px;
  left:50%;
  transform:translateX(-50%);
  width:18px;
  height:3px;
  background:var(--accent);
  border-radius:4px;
}
.nav-cta{
  padding:10px 22px;
  font-size:14px;
  margin-left:8px;
}
.nav-toggle{
  display:none;
  width:42px;
  height:42px;
  border:1px solid var(--border);
  background:var(--white);
  border-radius:10px;
  color:var(--primary);
  font-size:18px;
  cursor:pointer;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
}
.nav-toggle:hover{background:var(--primary-light);border-color:var(--primary)}

/* ===== 页面Banner ===== */
.page-banner{
  position:relative;
  padding:140px 0 120px;
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.banner-overlay{
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(9,52,90,.92) 0%,rgba(9,52,90,.75) 45%,rgba(15,76,129,.55) 100%);
}
.page-banner .container{position:relative;z-index:2}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:12px;
  font-size:14px;
  color:rgba(255,255,255,.75);
  margin-bottom:28px;
}
.breadcrumb a{color:rgba(255,255,255,.85)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:12px;opacity:.6}
.banner-title{
  font-size:clamp(34px,5vw,56px);
  font-weight:800;
  color:var(--white);
  line-height:1.2;
  margin-bottom:18px;
  max-width:720px;
}
.banner-title span{
  display:block;
  color:var(--accent);
  font-size:.7em;
  font-weight:600;
  margin-top:8px;
  letter-spacing:3px;
}
.banner-desc{
  font-size:18px;
  color:rgba(255,255,255,.9);
  max-width:620px;
  line-height:1.8;
  margin-bottom:36px;
}
.banner-actions{display:flex;gap:16px;flex-wrap:wrap}

/* ===== 服务概览 ===== */
.services-section{background:var(--bg-white)}
.service-card{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:36px 30px;
  height:100%;
  transition:var(--transition);
  position:relative;
  overflow:hidden;
}
.service-card::before{
  content:"";
  position:absolute;
  top:0;
  left:0;
  width:100%;
  height:4px;
  background:linear-gradient(90deg,var(--primary),var(--accent));
  transform:scaleX(0);
  transform-origin:left;
  transition:var(--transition);
}
.service-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-md);
  border-color:rgba(15,76,129,.2);
}
.service-card:hover::before{transform:scaleX(1)}
.service-icon{
  width:58px;
  height:58px;
  border-radius:16px;
  background:var(--primary-light);
  color:var(--primary);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:22px;
  margin-bottom:22px;
  transition:var(--transition);
}
.service-card:hover .service-icon{
  background:var(--primary);
  color:var(--white);
  box-shadow:0 8px 20px rgba(15,76,129,.3);
}
.service-card h3{
  font-size:19px;
  color:var(--text-heading);
  font-weight:700;
  margin-bottom:12px;
}
.service-card p{
  font-size:15px;
  color:var(--text-muted);
  line-height:1.7;
}
.service-link{
  display:inline-flex;
  align-items:center;
  gap:6px;
  margin-top:18px;
  font-size:14px;
  font-weight:600;
  color:var(--primary);
}
.service-link i{transition:var(--transition);font-size:12px}
.service-card:hover .service-link i{transform:translateX(4px)}
.service-card .card-badge{
  position:absolute;
  top:16px;
  right:16px;
  background:var(--accent-light);
  color:var(--accent-dark);
  font-size:12px;
  font-weight:600;
  padding:4px 12px;
  border-radius:100px;
}

/* ===== 使用流程 ===== */
.flow-section{background:var(--bg-section)}
.flow-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.flow-step{
  position:relative;
  text-align:center;
  padding:40px 24px;
  background:var(--white);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  transition:var(--transition);
  border:1px solid transparent;
}
.flow-step:hover{
  border-color:var(--border);
  box-shadow:var(--shadow-md);
  transform:translateY(-4px);
}
.step-num{
  width:56px;
  height:56px;
  margin:0 auto 20px;
  border-radius:50%;
  background:var(--primary-light);
  color:var(--primary);
  font-size:22px;
  font-weight:800;
  display:flex;
  align-items:center;
  justify-content:center;
  transition:var(--transition);
  position:relative;
}
.flow-step:hover .step-num{
  background:var(--primary);
  color:var(--white);
  box-shadow:0 8px 24px rgba(15,76,129,.3);
}
.step-num::after{
  content:"";
  position:absolute;
  right:-47px;
  top:50%;
  transform:translateY(-50%);
  width:30px;
  height:2px;
  background:var(--border);
}
.flow-step:last-child .step-num::after{display:none}
.flow-step h3{
  font-size:18px;
  color:var(--text-heading);
  font-weight:700;
  margin-bottom:10px;
}
.flow-step p{
  font-size:14px;
  color:var(--text-muted);
  line-height:1.7;
}

/* ===== 服务详情 ===== */
.detail-section{background:var(--white)}
.detail-block{
  display:flex;
  align-items:center;
  gap:60px;
  margin-bottom:96px;
}
.detail-block:last-child{margin-bottom:0}
.detail-image{
  flex:0 0 48%;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-lg);
  position:relative;
}
.detail-image::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,transparent 60%,rgba(9,52,90,.25));
}
.detail-image img{
  width:100%;
  height:360px;
  object-fit:cover;
  transition:var(--transition);
}
.detail-block:hover .detail-image img{transform:scale(1.05)}
.detail-content{flex:1}
.detail-content .section-tag{margin-bottom:12px}
.detail-content h3{
  font-size:30px;
  color:var(--text-heading);
  font-weight:700;
  line-height:1.3;
  margin-bottom:16px;
}
.detail-content > p{
  font-size:16px;
  color:var(--text-muted);
  line-height:1.8;
  margin-bottom:24px;
}
.detail-list{margin-bottom:28px}
.detail-list li{
  display:flex;
  align-items:center;
  gap:12px;
  padding:10px 0;
  font-size:15px;
  color:var(--text-body);
  border-bottom:1px dashed var(--border);
}
.detail-list li:last-child{border-bottom:none}
.detail-list li i{
  width:22px;
  height:22px;
  background:var(--accent-light);
  color:var(--accent-dark);
  border-radius:50%;
  font-size:10px;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}

/* ===== 数据统计 ===== */
.stats-section{
  position:relative;
  background:var(--bg-dark);
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  background-attachment:fixed;
}
.stats-section::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(120deg,rgba(11,46,77,.95),rgba(15,76,129,.88));
}
.stats-grid{
  position:relative;
  z-index:1;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.stat-item{
  text-align:center;
  padding:50px 24px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius-md);
  backdrop-filter:blur(6px);
  transition:var(--transition);
}
.stat-item:hover{
  background:rgba(255,255,255,.12);
  transform:translateY(-4px);
}
.stat-number{
  font-size:44px;
  font-weight:800;
  color:var(--white);
  line-height:1.2;
  margin-bottom:6px;
  font-variant-numeric:tabular-nums;
}
.stat-number span{
  font-size:26px;
  color:var(--accent);
  margin-left:2px;
}
.stat-label{
  font-size:14px;
  color:rgba(255,255,255,.75);
  letter-spacing:1px;
}

/* ===== FAQ ===== */
.faq-section{background:var(--bg-section)}
.faq-wrapper{
  max-width:820px;
  margin:0 auto;
}
.faq-item{
  background:var(--white);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  margin-bottom:16px;
  overflow:hidden;
  transition:var(--transition);
}
.faq-item[open]{
  border-color:rgba(15,76,129,.25);
  box-shadow:var(--shadow-sm);
}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  cursor:pointer;
  font-size:16px;
  font-weight:600;
  color:var(--text-heading);
  list-style:none;
  user-select:none;
  transition:var(--transition);
}
.faq-item summary:hover{color:var(--primary)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{
  width:32px;
  height:32px;
  flex-shrink:0;
  border-radius:50%;
  background:var(--primary-light);
  display:flex;
  align-items:center;
  justify-content:center;
  color:var(--primary);
  font-size:13px;
  transition:var(--transition);
}
.faq-item[open] .faq-icon{
  background:var(--primary);
  color:var(--white);
  transform:rotate(45deg);
}
.faq-answer{
  padding:0 24px 22px;
  color:var(--text-muted);
  font-size:15px;
  line-height:1.8;
}

/* ===== CTA ===== */
.cta-section{background:var(--white)}
.cta-box{
  position:relative;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  border-radius:var(--radius-lg);
  padding:70px 60px;
  text-align:center;
  overflow:hidden;
}
.cta-box::before{
  content:"";
  position:absolute;
  width:240px;
  height:240px;
  border-radius:50%;
  background:rgba(255,255,255,.06);
  top:-80px;
  right:-80px;
}
.cta-box::after{
  content:"";
  position:absolute;
  width:160px;
  height:160px;
  border-radius:50%;
  background:rgba(212,162,78,.18);
  bottom:-60px;
  left:-60px;
}
.cta-title{
  font-size:clamp(26px,3vw,36px);
  color:var(--white);
  font-weight:800;
  margin-bottom:14px;
  position:relative;
  z-index:1;
}
.cta-text{
  font-size:16px;
  color:rgba(255,255,255,.85);
  max-width:560px;
  margin:0 auto 36px;
  position:relative;
  z-index:1;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  justify-content:center;
  gap:16px;
  flex-wrap:wrap;
  position:relative;
  z-index:1;
}

/* ===== Footer ===== */
.site-footer{
  background:var(--bg-dark);
  color:rgba(255,255,255,.8);
  padding:64px 0 0;
}
.footer-top{
  display:flex;
  gap:60px;
  justify-content:space-between;
  padding-bottom:48px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand{flex:0 0 380px}
.footer-logo{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:22px;
  font-weight:700;
  color:var(--white);
  margin-bottom:18px;
  letter-spacing:1px;
}
.footer-logo .logo-mark{
  width:36px;
  height:36px;
  font-size:14px;
}
.footer-brand p{
  font-size:15px;
  line-height:1.8;
  color:rgba(255,255,255,.65);
}
.footer-links{
  display:flex;
  gap:80px;
}
.footer-col h4{
  color:var(--white);
  font-size:15px;
  font-weight:600;
  margin-bottom:20px;
  letter-spacing:1px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:"";
  position:absolute;
  left:0;
  bottom:0;
  width:24px;
  height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-col ul li{margin-bottom:12px}
.footer-col ul a{
  color:rgba(255,255,255,.65);
  font-size:14px;
  transition:var(--transition);
}
.footer-col ul a:hover{
  color:var(--accent);
  padding-left:6px;
}
.footer-bottom{
  padding:20px 0;
  text-align:center;
  border-top:1px solid rgba(255,255,255,.08);
  font-size:14px;
  color:rgba(255,255,255,.5);
}

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .section{padding:72px 0}
  .footer-top{flex-direction:column;gap:40px}
  .footer-brand{flex:1}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:24px}
  .detail-block{flex-direction:column;gap:40px}
  .detail-block.reverse{flex-direction:column}
  .detail-image{flex:1;width:100%}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .step-num::after{display:none}
}

@media (max-width:768px){
  .header-inner{height:64px;gap:16px}
  .nav-cta{display:none}
  .main-nav{
    position:fixed;
    top:64px;
    left:0;
    right:0;
    background:var(--white);
    box-shadow:0 10px 30px rgba(16,42,67,.1);
    border-bottom:1px solid var(--border);
    padding:16px 24px;
    display:none;
    z-index:999;
    max-height:calc(100vh-64px);
    overflow-y:auto;
  }
  .main-nav.open{display:block}
  .main-nav ul{flex-direction:column;gap:4px}
  .main-nav a{
    padding:12px 16px;
    border-radius:10px;
  }
  .nav-toggle{display:inline-flex}
  .page-banner{padding:90px 0 70px}
  .banner-title{font-size:30px}
  .banner-desc{font-size:16px}
  .services-grid .cell{flex:0 0 100%}
  .cta-box{padding:50px 24px}
  .footer-links{gap:40px;flex-wrap:wrap}
  .footer-links .footer-col{flex:0 0 calc(50% - 20px)}
}

@media (max-width:520px){
  .container{padding:0 16px}
  .section{padding:56px 0}
  .flow-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:16px}
  .stat-number{font-size:32px}
  .stat-number span{font-size:20px}
  .detail-image img{height:240px}
  .cta-actions{flex-direction:column;align-items:center}
  .cta-actions .btn{width:100%}
  .footer-links{gap:30px}
  .footer-links .footer-col{flex:0 0 100%}
  .breadcrumb{font-size:13px;flex-wrap:wrap}
}

@media (max-width:360px){
  .logo-text{font-size:16px}
  .flow-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr}
}

/* roulang page: category2 */
:root {
  --primary: #0b4d8a;
  --primary-light: #1e6fc4;
  --primary-dark: #072f56;
  --accent: #e8a33d;
  --accent-light: #f5c06a;
  --bg-light: #f4f7fb;
  --bg-white: #ffffff;
  --text-main: #1a2a3a;
  --text-muted: #5c6b7e;
  --border: #e2e8f0;
  --shadow-sm: 0 2px 10px rgba(8, 35, 69, 0.06);
  --shadow-md: 0 8px 30px rgba(8, 35, 69, 0.1);
  --shadow-lg: 0 16px 50px rgba(8, 35, 69, 0.14);
  --radius-sm: 8px;
  --radius-default: 14px;
  --radius-lg: 22px;
  --transition: all 0.3s ease;
  --space-section: 96px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  color: var(--text-main);
  line-height: 1.7;
  background: var(--bg-white);
  -webkit-font-smoothing: antialiased;
}

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

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

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

ul, ol {
  list-style: none;
}

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

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

/* 按钮 */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 15px;
  font-weight: 600;
  line-height: 1.5;
  cursor: pointer;
  transition: var(--transition);
  border: 2px solid transparent;
  text-align: center;
}

.btn i {
  font-size: 14px;
}

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

.btn-primary:hover {
  background: var(--primary-light);
  border-color: var(--primary-light);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: var(--shadow-md);
}

.btn-primary:active {
  background: var(--primary-dark);
  transform: translateY(0);
  box-shadow: none;
}

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

.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}

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

.btn-light {
  background: #fff;
  color: var(--primary);
  border-color: #fff;
}

.btn-light:hover {
  background: var(--bg-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

.btn:focus-visible,
input:focus-visible,
textarea:focus-visible {
  outline: 3px solid rgba(30, 111, 196, 0.4);
  outline-offset: 2px;
}

/* Header 导航 */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border);
  transition: var(--transition);
}

.site-header.scrolled {
  box-shadow: var(--shadow-sm);
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  height: 74px;
}

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

.logo-mark {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: linear-gradient(135deg, var(--primary) 0%, var(--primary-light) 100%);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: 1px;
  border-radius: 12px;
  box-shadow: 0 4px 14px rgba(11, 77, 138, 0.3);
}

.logo-text {
  font-size: 20px;
  font-weight: 700;
  color: var(--text-main);
  letter-spacing: 1px;
}

.main-nav {
  display: flex;
  align-items: center;
}

.main-nav ul {
  display: flex;
  align-items: center;
  gap: 6px;
  margin: 0;
  padding: 0;
}

.main-nav ul li {
  margin: 0;
}

.main-nav ul li a {
  display: inline-flex;
  align-items: center;
  padding: 9px 18px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-muted);
  border-radius: 50px;
  transition: var(--transition);
}

.main-nav ul li a:hover {
  color: var(--primary);
  background: rgba(11, 77, 138, 0.06);
}

.main-nav ul li a.active {
  color: var(--primary);
  background: rgba(11, 77, 138, 0.1);
  font-weight: 600;
}

.nav-cta {
  margin-left: 24px;
  padding: 9px 22px;
  font-size: 14px;
}

.nav-toggle {
  display: none;
  width: 42px;
  height: 42px;
  background: var(--bg-light);
  border-radius: 10px;
  align-items: center;
  justify-content: center;
  font-size: 18px;
  color: var(--primary);
  cursor: pointer;
  transition: var(--transition);
}

.nav-toggle:hover {
  background: rgba(11, 77, 138, 0.12);
}

.nav-toggle.open {
  background: var(--primary);
  color: #fff;
}

/* 内页 Banner */
.page-banner {
  position: relative;
  padding: 100px 0 80px;
  background: linear-gradient(135deg, #0b3a66 0%, #0b4d8a 45%, #1e6fc4 100%);
  color: #fff;
  overflow: hidden;
}

.page-banner::before {
  content: "";
  position: absolute;
  top: -60px;
  right: -80px;
  width: 340px;
  height: 340px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.12) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 8s ease-in-out infinite;
}

.page-banner::after {
  content: "";
  position: absolute;
  bottom: -100px;
  left: -60px;
  width: 300px;
  height: 300px;
  background: radial-gradient(circle, rgba(232, 163, 61, 0.15) 0%, transparent 70%);
  border-radius: 50%;
  animation: float 10s ease-in-out infinite reverse;
}

@keyframes float {
  0%, 100% { transform: translate(0, 0); }
  50% { transform: translate(-20px, 20px); }
}

.page-banner .banner-bg {
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  opacity: 0.2;
  mix-blend-mode: overlay;
}

.breadcrumb {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  gap: 10px;
  margin-bottom: 24px;
  font-size: 14px;
  color: rgba(255, 255, 255, 0.8);
}

.breadcrumb a {
  color: rgba(255, 255, 255, 0.9);
}

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

.breadcrumb i {
  font-size: 12px;
  opacity: 0.6;
}

.page-banner .banner-content {
  position: relative;
  z-index: 2;
  max-width: 720px;
}

.page-banner h1 {
  font-size: 44px;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.page-banner h1 span {
  color: var(--accent);
}

.page-banner p {
  font-size: 17px;
  line-height: 1.8;
  margin-bottom: 30px;
  color: rgba(255, 255, 255, 0.9);
}

.banner-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
}

.banner-tags .tag {
  padding: 8px 18px;
  background: rgba(255, 255, 255, 0.15);
  backdrop-filter: blur(4px);
  border: 1px solid rgba(255, 255, 255, 0.25);
  border-radius: 50px;
  font-size: 14px;
  color: #fff;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.banner-tags .tag i {
  color: var(--accent);
  font-size: 13px;
}

/* 板块 */
.section {
  padding: var(--space-section) 0;
}

.section-header {
  text-align: center;
  max-width: 720px;
  margin: 0 auto 56px;
}

.section-header .section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 6px 18px;
  background: rgba(11, 77, 138, 0.08);
  color: var(--primary);
  border-radius: 50px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 2px;
  margin-bottom: 16px;
}

.section-header h2 {
  font-size: 36px;
  font-weight: 800;
  line-height: 1.35;
  color: var(--text-main);
  margin-bottom: 14px;
  letter-spacing: 1px;
}

.section-header p {
  font-size: 16px;
  color: var(--text-muted);
  line-height: 1.8;
}

.section-header.light h2 {
  color: #fff;
}

.section-header.light p {
  color: rgba(255, 255, 255, 0.75);
}

/* 安全核心保障 */
.safety-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
  margin-bottom: 40px;
}

.safety-card {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: var(--radius-default);
  padding: 38px 30px;
  transition: var(--transition);
  position: relative;
  overflow: hidden;
  text-align: center;
}

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

.safety-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.safety-card:hover::before {
  opacity: 1;
}

.safety-icon {
  width: 72px;
  height: 72px;
  border-radius: 20px;
  background: linear-gradient(135deg, rgba(11, 77, 138, 0.1) 0%, rgba(30, 111, 196, 0.1) 100%);
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 22px;
  font-size: 28px;
  color: var(--primary);
  transition: var(--transition);
}

.safety-card:hover .safety-icon {
  background: var(--primary);
  color: #fff;
  transform: scale(1.05);
}

.safety-card h3 {
  font-size: 19px;
  font-weight: 700;
  margin-bottom: 12px;
  color: var(--text-main);
}

.safety-card p {
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.75;
}

/* 数据统计 */
.stats-section {
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 100%);
  padding: 70px 0;
  position: relative;
  overflow: hidden;
}

.stats-section::before {
  content: "";
  position: absolute;
  top: -80px;
  right: -60px;
  width: 240px;
  height: 240px;
  background: rgba(255, 255, 255, 0.04);
  border-radius: 50%;
}

.stats-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 32px;
  position: relative;
  z-index: 2;
}

.stat-item {
  text-align: center;
  padding: 30px 20px;
  background: rgba(255, 255, 255, 0.06);
  backdrop-filter: blur(8px);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-default);
  transition: var(--transition);
}

.stat-item:hover {
  background: rgba(255, 255, 255, 0.1);
  transform: translateY(-4px);
}

.stat-number {
  font-size: 42px;
  font-weight: 800;
  color: var(--accent);
  line-height: 1.2;
  margin-bottom: 6px;
}

.stat-number .unit {
  font-size: 22px;
  font-weight: 700;
  margin-left: 2px;
}

.stat-label {
  font-size: 15px;
  color: rgba(255, 255, 255, 0.85);
  font-weight: 500;
}

/* 体验亮点 */
.experience-section {
  background: var(--bg-light);
}

.experience-grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 36px;
  align-items: stretch;
}

.experience-image {
  position: relative;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow-md);
  min-height: 400px;
}

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

.experience-image:hover img {
  transform: scale(1.04);
}

.experience-image::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 60%, rgba(7, 47, 86, 0.5) 100%);
}

.experience-badge {
  position: absolute;
  bottom: 24px;
  left: 24px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(8px);
  border-radius: 16px;
  padding: 16px 24px;
  display: flex;
  align-items: center;
  gap: 14px;
  box-shadow: var(--shadow-md);
}

.experience-badge i {
  font-size: 28px;
  color: var(--accent);
}

.experience-badge strong {
  font-size: 16px;
  color: var(--text-main);
  display: block;
  line-height: 1.3;
}

.experience-badge span {
  font-size: 13px;
  color: var(--text-muted);
}

.experience-content {
  display: flex;
  flex-direction: column;
  justify-content: center;
  padding: 20px 0;
}

.experience-content h3 {
  font-size: 26px;
  font-weight: 800;
  line-height: 1.4;
  margin-bottom: 18px;
}

.experience-content h3 span {
  color: var(--primary);
}

.experience-content > p {
  font-size: 15px;
  color: var(--text-muted);
  margin-bottom: 24px;
  line-height: 1.8;
}

.experience-list {
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.experience-list li {
  display: flex;
  align-items: flex-start;
  gap: 14px;
  padding: 14px 18px;
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 12px;
  transition: var(--transition);
}

.experience-list li:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
  transform: translateX(4px);
}

.experience-list li i {
  font-size: 16px;
  color: var(--primary);
  margin-top: 4px;
  background: rgba(11, 77, 138, 0.08);
  width: 32px;
  height: 32px;
  border-radius: 8px;
  display: flex;
  align-items: center;
  justify-content: center;
  flex-shrink: 0;
}

.experience-list li strong {
  display: block;
  font-size: 15px;
  color: var(--text-main);
  margin-bottom: 2px;
}

.experience-list li span {
  font-size: 13px;
  color: var(--text-muted);
  line-height: 1.6;
}

/* 图文覆盖块 */
.cover-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}

.cover-card {
  background: var(--bg-white);
  border-radius: var(--radius-default);
  overflow: hidden;
  border: 1px solid var(--border);
  transition: var(--transition);
  display: flex;
  flex-direction: column;
}

.cover-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-md);
  border-color: transparent;
}

.cover-img {
  position: relative;
  height: 220px;
  overflow: hidden;
  border-radius: var(--radius-default) var(--radius-default) 0 0;
}

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

.cover-card:hover .cover-img img {
  transform: scale(1.06);
}

.cover-img::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 50%, rgba(7, 47, 86, 0.3) 100%);
}

.cover-img .badge {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: var(--accent);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 50px;
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.15);
  letter-spacing: 1px;
}

.cover-body {
  padding: 24px;
  flex: 1;
  display: flex;
  flex-direction: column;
}

.cover-body h3 {
  font-size: 17px;
  font-weight: 700;
  margin-bottom: 10px;
  line-height: 1.5;
  color: var(--text-main);
}

.cover-body p {
  font-size: 14px;
  color: var(--text-muted);
  line-height: 1.7;
  flex: 1;
  display: -webkit-box;
  -webkit-line-clamp: 3;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.cover-body .cover-meta {
  margin-top: 16px;
  display: flex;
  align-items: center;
  justify-content: space-between;
}

.cover-body .date {
  font-size: 13px;
  color: var(--text-muted);
}

.cover-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}

.cover-link:hover {
  color: var(--primary-dark);
  gap: 10px;
}

.cover-link i {
  font-size: 12px;
  transition: var(--transition);
}

/* FAQ */
.faq-section {
  background: var(--bg-light);
}

.faq-grid {
  max-width: 900px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 16px;
}

.faq-item {
  background: var(--bg-white);
  border: 1px solid var(--border);
  border-radius: 14px;
  overflow: hidden;
  transition: var(--transition);
}

.faq-item:hover {
  border-color: var(--primary-light);
  box-shadow: var(--shadow-sm);
}

.faq-question {
  width: 100%;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 22px 26px;
  background: none;
  cursor: pointer;
  font-size: 16px;
  font-weight: 600;
  color: var(--text-main);
  text-align: left;
  transition: var(--transition);
}

.faq-question:hover {
  color: var(--primary);
}

.faq-question i {
  font-size: 14px;
  color: var(--primary);
  transition: var(--transition);
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}

.faq-answer-inner {
  padding: 0 26px 24px;
  font-size: 15px;
  color: var(--text-muted);
  line-height: 1.85;
  border-top: 1px solid var(--border);
  padding-top: 18px;
}

.faq-item.active {
  border-color: var(--primary-light);
}

.faq-item.active .faq-question {
  color: var(--primary);
}

.faq-item.active .faq-question i {
  transform: rotate(180deg);
}

/* CTA 区域 */
.cta-section {
  position: relative;
  padding: 90px 0;
  background: linear-gradient(135deg, var(--primary-dark) 0%, var(--primary) 60%, var(--primary-light) 100%);
  text-align: center;
  overflow: hidden;
}

.cta-section::before {
  content: "";
  position: absolute;
  top: -120px;
  right: -80px;
  width: 380px;
  height: 380px;
  background: radial-gradient(circle, rgba(255, 255, 255, 0.08) 0%, transparent 70%);
  border-radius: 50%;
}

.cta-section::after {
  content: "";
  position: absolute;
  bottom: -140px;
  left: -100px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(232, 163, 61, 0.12) 0%, transparent 70%);
  border-radius: 50%;
}

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

.cta-title {
  font-size: 36px;
  font-weight: 800;
  color: #fff;
  margin-bottom: 14px;
  line-height: 1.35;
}

.cta-title span {
  color: var(--accent);
}

.cta-subtitle {
  font-size: 16px;
  color: rgba(255, 255, 255, 0.8);
  max-width: 560px;
  margin: 0 auto 32px;
  line-height: 1.8;
}

.cta-buttons {
  display: flex;
  gap: 16px;
  justify-content: center;
  flex-wrap: wrap;
}

/* Footer */
.site-footer {
  background: var(--primary-dark);
  color: rgba(255, 255, 255, 0.8);
  padding: 70px 0 30px;
}

.footer-top {
  display: grid;
  grid-template-columns: 1.4fr 1fr;
  gap: 60px;
  padding-bottom: 50px;
  border-bottom: 1px solid rgba(255, 255, 255, 0.12);
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 20px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 16px;
}

.footer-brand p {
  font-size: 14px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.65);
  max-width: 380px;
}

.footer-links {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  gap: 40px;
}

.footer-col h4 {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 1px;
}

.footer-col ul {
  display: flex;
  flex-direction: column;
  gap: 10px;
}

.footer-col ul li {
  margin: 0;
}

.footer-col ul li a {
  color: rgba(255, 255, 255, 0.65);
  font-size: 14px;
  transition: var(--transition);
}

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

.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding-top: 28px;
  font-size: 13px;
  color: rgba(255, 255, 255, 0.4);
}

/* 移动端导航 */
@media screen and (max-width: 1024px) {
  :root {
    --space-section: 72px;
  }

  .main-nav {
    position: fixed;
    top: 74px;
    left: 0;
    right: 0;
    background: #fff;
    border-bottom: 1px solid var(--border);
    box-shadow: 0 16px 40px rgba(0, 0, 0, 0.08);
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease;
    z-index: 99;
    flex-direction: column;
    align-items: stretch;
  }

  .main-nav.open {
    max-height: 420px;
  }

  .main-nav ul {
    flex-direction: column;
    align-items: stretch;
    padding: 16px 24px;
    gap: 4px;
  }

  .main-nav ul li a {
    display: block;
    padding: 12px 16px;
    border-radius: 10px;
    font-size: 16px;
  }

  .nav-cta {
    display: none;
  }

  .nav-toggle {
    display: flex;
  }

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

@media screen and (max-width: 768px) {
  .page-banner {
    padding: 64px 0 56px;
  }

  .page-banner h1 {
    font-size: 30px;
  }

  .page-banner p {
    font-size: 15px;
  }

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

  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
  }

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

  .experience-grid {
    grid-template-columns: 1fr;
    gap: 24px;
  }

  .experience-image {
    min-height: 300px;
  }

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

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

  .footer-top {
    grid-template-columns: 1fr;
    gap: 40px;
  }

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

  .cta-title {
    font-size: 28px;
  }

  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }

  .cta-buttons .btn {
    width: 100%;
    max-width: 300px;
  }

  .footer-bottom {
    flex-direction: column;
    gap: 8px;
    text-align: center;
  }
}

@media screen and (max-width: 520px) {
  :root {
    --space-section: 56px;
  }

  .header-inner {
    height: 64px;
  }

  .logo-mark {
    width: 36px;
    height: 36px;
    font-size: 15px;
  }

  .logo-text {
    font-size: 17px;
  }

  .main-nav {
    top: 64px;
  }

  .page-banner h1 {
    font-size: 26px;
  }

  .banner-tags .tag {
    font-size: 12px;
    padding: 6px 12px;
  }

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

  .safety-card {
    padding: 26px 20px;
  }

  .stats-grid {
    grid-template-columns: 1fr;
    gap: 12px;
  }

  .stat-item {
    padding: 20px;
  }

  .experience-badge {
    left: 16px;
    right: 16px;
    bottom: 16px;
    padding: 12px 16px;
    flex-direction: column;
    text-align: center;
  }

  .faq-question {
    padding: 18px 18px;
    font-size: 15px;
  }

  .faq-answer-inner {
    padding: 0 18px 20px;
    font-size: 14px;
  }

  .btn {
    padding: 10px 20px;
    font-size: 14px;
  }
}