/* roulang page: index */
:root{
  --primary:#C49B5E;--primary-dark:#A8843D;--primary-light:#F0E4CE;
  --accent:#1A2A3A;--accent-light:#2E4254;
  --bg:#F8F6F3;--white:#FFFFFF;
  --text:#262B33;--text-muted:#7A7F88;--border:#E6E1D8;
  --radius-lg:22px;--radius-md:14px;--radius-sm:9px;
  --shadow-sm:0 3px 18px rgba(26,42,58,.05);
  --shadow-md:0 8px 32px rgba(26,42,58,.08);
  --shadow-lg:0 16px 56px rgba(26,42,58,.12);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:'PingFang SC','Microsoft YaHei','Helvetica Neue',sans-serif;background:var(--bg);color:var(--text);line-height:1.65;-webkit-font-smoothing:antialiased}
a{text-decoration:none;color:inherit;transition:var(--transition)}
img{max-width:100%;height:auto;display:block}
ul,ol{list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit;outline:none}
.container{max-width:1180px;margin:0 auto;padding:0 24px}
/* Header */
.site-header{position:sticky;top:0;z-index:1000;padding:14px 20px 4px;background:linear-gradient(180deg,rgba(248,246,243,1) 0%,rgba(248,246,243,0) 100%)}
.nav-inner{max-width:1180px;margin:0 auto;background:rgba(255,255,255,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border:1px solid rgba(255,255,255,.75);border-radius:60px;box-shadow:var(--shadow-md);padding:10px 26px;display:flex;align-items:center;justify-content:space-between;gap:16px}
.nav-logo{font-size:22px;font-weight:800;letter-spacing:.5px;color:var(--accent);white-space:nowrap}
.nav-logo span{color:var(--primary)}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{padding:8px 20px;border-radius:30px;font-size:14px;font-weight:500;color:var(--accent)}
.nav-links a:hover{background:var(--primary-light);color:var(--primary-dark)}
.nav-links a.active{background:var(--primary);color:#fff}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--accent);color:#fff;padding:10px 22px;border-radius:30px;font-size:13px;font-weight:600;transition:var(--transition)}
.nav-cta:hover{background:var(--primary);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-md)}
.nav-toggle{display:none;background:none;border:none;font-size:24px;color:var(--accent);cursor:pointer;padding:8px}
/* Hero */
.hero{position:relative;min-height:660px;display:flex;align-items:center;justify-content:center;text-align:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:160px 0 90px;margin-top:-70px}
.hero::before{content:'';position:absolute;inset:0;background:linear-gradient(135deg,rgba(26,42,58,.82) 0%,rgba(26,42,58,.55) 50%,rgba(196,155,94,.65) 100%)}
.hero-content{position:relative;z-index:2;max-width:780px;padding:0 24px}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.16);backdrop-filter:blur(6px);border:1px solid rgba(255,255,255,.25);color:#fff;border-radius:40px;padding:8px 22px;font-size:13px;font-weight:500;letter-spacing:1px;margin-bottom:24px}
.hero-badge i{color:var(--primary-light)}
.hero h1{font-size:48px;font-weight:800;line-height:1.2;color:#fff;margin-bottom:18px;letter-spacing:1px}
.hero h1 em{font-style:normal;color:var(--primary-light)}
.hero p{font-size:17px;color:rgba(255,255,255,.88);max-width:600px;margin:0 auto 32px;line-height:1.8}
.hero-buttons{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}
.btn{display:inline-flex;align-items:center;gap:8px;padding:14px 32px;border-radius:40px;font-size:15px;font-weight:600;border:none;cursor:pointer;transition:var(--transition)}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 24px rgba(196,155,94,.35)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-md);color:#fff}
.btn-outline-light{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.45)}
.btn-outline-light:hover{background:rgba(255,255,255,.25);color:#fff;transform:translateY(-2px)}
.hero-stats{display:flex;justify-content:center;gap:48px;margin-top:52px;flex-wrap:wrap}
.hero-stat{text-align:center}
.hero-stat .num{font-size:32px;font-weight:800;color:#fff;display:block}
.hero-stat .label{font-size:13px;color:rgba(255,255,255,.8);letter-spacing:1px}
/* Sections */
.section{padding:90px 0}
.section-label{display:inline-flex;align-items:center;gap:8px;background:var(--primary-light);color:var(--primary-dark);font-size:13px;font-weight:700;padding:7px 18px;border-radius:30px;letter-spacing:1px;margin-bottom:14px}
.section-title{font-size:34px;font-weight:800;color:var(--accent);line-height:1.3;margin-bottom:14px}
.section-desc{font-size:16px;color:var(--text-muted);max-width:640px;line-height:1.7;margin-bottom:40px}
.center{text-align:center}
.center .section-desc{margin-left:auto;margin-right:auto}
/* Feature cards */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:20px}
.feature-card{background:var(--white);border-radius:var(--radius-lg);padding:36px 30px;box-shadow:var(--shadow-sm);border:1px solid var(--border);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::after{content:'';position:absolute;top:0;left:0;width:100%;height:3px;background:linear-gradient(90deg,var(--primary),var(--primary-light));transform:scaleX(0);transform-origin:left;transition:var(--transition)}
.feature-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-4px)}
.feature-card:hover::after{transform:scaleX(1)}
.feature-icon{width:64px;height:64px;border-radius:18px;background:var(--primary-light);display:flex;align-items:center;justify-content:center;font-size:26px;color:var(--primary-dark);margin-bottom:20px}
.feature-card h3{font-size:19px;font-weight:700;color:var(--accent);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-muted);line-height:1.7}
/* Category entry */
.category-entry{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:0;border:1px solid var(--border)}
.category-media{flex:1;min-height:320px;background:url('/assets/images/coverpic/cover-1.png') center/cover no-repeat;position:relative}
.category-media::after{content:'';position:absolute;inset:0;background:linear-gradient(90deg,transparent 40%,rgba(196,155,94,.25))}
.category-info{flex:1;padding:48px}
.category-info .badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:6px 16px;border-radius:30px;font-size:12px;font-weight:700;margin-bottom:16px}
.category-info h3{font-size:28px;font-weight:800;color:var(--accent);margin-bottom:12px}
.category-info p{color:var(--text-muted);font-size:15px;line-height:1.8;margin-bottom:24px}
.category-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:26px}
.tag{padding:6px 14px;border-radius:20px;background:var(--bg);border:1px solid var(--border);font-size:12px;color:var(--text-muted)}
.btn-secondary{background:var(--accent);color:#fff}
.btn-secondary:hover{background:var(--primary);color:#fff;transform:translateY(-2px)}
/* Content grid */
.content-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.content-card{background:var(--white);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-sm);transition:var(--transition);border:1px solid var(--border)}
.content-card:hover{box-shadow:var(--shadow-lg);transform:translateY(-5px)}
.content-card-img{height:200px;overflow:hidden;position:relative}
.content-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s ease}
.content-card:hover .content-card-img img{transform:scale(1.06)}
.content-card-body{padding:24px}
.content-card-body .badge{display:inline-block;background:var(--primary-light);color:var(--primary-dark);padding:4px 14px;border-radius:30px;font-size:11px;font-weight:700;margin-bottom:12px}
.content-card-body h3{font-size:17px;font-weight:700;color:var(--accent);line-height:1.45;margin-bottom:8px}
.content-card-body p{font-size:13px;color:var(--text-muted);line-height:1.65}
/* News / CMS */
.news-section{background:var(--white)}
.news-list{max-width:820px;margin:0 auto}
.news-item{display:flex;align-items:center;padding:22px 28px;border-radius:var(--radius-md);border:1px solid var(--border);margin-bottom:14px;transition:var(--transition);background:var(--bg)}
.news-item:hover{box-shadow:var(--shadow-md);transform:translateX(6px);border-color:var(--primary)}
.news-item-body{flex:1}
.news-item-body h3{font-size:17px;font-weight:700;color:var(--accent);margin-bottom:6px;line-height:1.4}
.news-item-body p{font-size:13px;color:var(--text-muted);line-height:1.6;margin-bottom:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:16px;font-size:12px;color:var(--text-muted)}
.news-meta i{margin-right:4px;color:var(--primary)}
.news-meta a{color:var(--primary-dark);font-weight:600}
.news-arrow{color:var(--primary);font-size:20px;margin-left:18px;opacity:0;transform:translateX(-8px);transition:var(--transition)}
.news-item:hover .news-arrow{opacity:1;transform:translateX(0)}
.empty-tip{padding:48px;text-align:center;background:var(--bg);border-radius:var(--radius-lg);border:1px dashed var(--border);color:var(--text-muted);font-size:15px}
/* Stats */
.stats-section{background:var(--accent);position:relative;overflow:hidden}
.stats-section::before{content:'';position:absolute;top:-60px;right:-60px;width:240px;height:240px;border-radius:50%;background:rgba(196,155,94,.15)}
.stats-section::after{content:'';position:absolute;bottom:-40px;left:20%;width:120px;height:120px;border-radius:50%;background:rgba(196,155,94,.1)}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:36px;position:relative;z-index:1}
.stat-item{text-align:center;padding:30px 20px;border-radius:var(--radius-lg);background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1)}
.stat-item .num{font-size:40px;font-weight:800;color:var(--primary);display:block;margin-bottom:8px}
.stat-item .label{font-size:14px;color:rgba(255,255,255,.75);letter-spacing:1px}
/* Process */
.process-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:30px}
.process-step{text-align:center;padding:36px 24px;position:relative}
.process-step .step-num{width:56px;height:56px;border-radius:18px;background:var(--primary);color:#fff;display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:800;margin:0 auto 20px;box-shadow:0 8px 20px rgba(196,155,94,.3)}
.process-step h4{font-size:18px;font-weight:700;color:var(--accent);margin-bottom:10px}
.process-step p{font-size:14px;color:var(--text-muted);line-height:1.7}
/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{background:var(--white);border:1px solid var(--border);border-radius:var(--radius-md);margin-bottom:14px;overflow:hidden;transition:var(--transition)}
.faq-item:hover{box-shadow:var(--shadow-sm)}
.faq-item summary{cursor:pointer;padding:22px 30px;font-size:15px;font-weight:600;color:var(--accent);list-style:none;display:flex;justify-content:space-between;align-items:center}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary i{color:var(--primary);transition:var(--transition);font-size:18px}
.faq-item[open] summary i{transform:rotate(45deg)}
.faq-item .faq-body{padding:2px 30px 22px;color:var(--text-muted);font-size:14px;line-height:1.75}
/* CTA */
.cta-section{background:linear-gradient(135deg,var(--accent) 0%,var(--accent-light) 60%,var(--primary-dark) 100%);text-align:center;padding:100px 0}
.cta-section h2{font-size:36px;font-weight:800;color:#fff;margin-bottom:14px}
.cta-section p{font-size:16px;color:rgba(255,255,255,.8);max-width:560px;margin:0 auto 34px}
.cta-section .btn-primary{background:var(--primary);box-shadow:0 10px 32px rgba(0,0,0,.25)}
.cta-section .btn-primary:hover{background:#fff;color:var(--accent)}
/* Footer */
.site-footer{background:var(--accent);padding:70px 0 0;color:rgba(255,255,255,.75)}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:50px}
.footer-brand .nav-logo{color:#fff;font-size:24px}
.footer-brand .nav-logo span{color:var(--primary)}
.footer-brand p{font-size:14px;line-height:1.7;margin-top:16px;max-width:280px}
.footer-col h5{font-size:15px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:1px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.7);transition:var(--transition)}
.footer-col ul li a:hover{color:var(--primary);padding-left:4px}
.footer-bottom{text-align:center;padding:22px 0;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:rgba(255,255,255,.55)}
.footer-bottom a{color:var(--primary)}
/* Responsive */
@media(max-width:1024px){
  .hero{padding:140px 0 70px}
  .hero h1{font-size:40px}
  .feature-grid,.content-cards{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .process-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .category-entry{flex-direction:column}
  .category-media{min-height:220px;width:100%}
}
@media(max-width:768px){
  .nav-toggle{display:block}
  .nav-links{display:none;position:absolute;top:100%;left:16px;right:16px;background:#fff;border-radius:16px;box-shadow:var(--shadow-lg);padding:16px;flex-direction:column;gap:8px;border:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-links a{width:100%;text-align:center;padding:12px}
  .nav-cta{display:none}
  .hero{min-height:520px;padding:120px 0 60px}
  .hero h1{font-size:32px}
  .hero p{font-size:15px}
  .hero-stats{gap:24px}
  .section{padding:64px 0}
  .section-title{font-size:28px}
  .feature-grid,.content-cards{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:16px}
  .process-grid{grid-template-columns:1fr}
  .category-info{padding:30px 24px}
}
@media(max-width:520px){
  .nav-inner{padding:10px 16px}
  .nav-logo{font-size:18px}
  .hero h1{font-size:26px}
  .hero-stats{flex-wrap:wrap;gap:20px}
  .hero-stat .num{font-size:26px}
  .section-title{font-size:24px}
  .stats-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .news-item{padding:16px}
  .news-arrow{display:none}
}

/* roulang page: category1 */
:root {
  --primary: #c19a5b;
  --primary-dark: #a37e3f;
  --primary-light: #ead9b8;
  --secondary: #183a42;
  --secondary-light: #2a5560;
  --bg: #faf8f3;
  --white: #ffffff;
  --text: #26343a;
  --muted: #718087;
  --border: #e8e2d6;
  --radius: 20px;
  --radius-sm: 12px;
  --shadow: 0 10px 40px rgba(26, 52, 61, 0.08);
  --shadow-lg: 0 20px 60px rgba(26, 52, 61, 0.14);
  --transition: 0.3s ease;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  margin: 0;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: inherit; text-decoration: none; transition: var(--transition); }
button, input, select, textarea { font-family: inherit; }
h1, h2, h3, h4, h5, h6 {
  line-height: 1.3;
  margin: 0 0 0.5em;
  color: var(--secondary);
  font-weight: 700;
}
p { margin: 0 0 1em; }

/* Container */
.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
.section-pad { padding: 90px 0; }
.section-head {
  text-align: center;
  max-width: 680px;
  margin: 0 auto 56px;
}
.section-head .section-tag {
  display: inline-block;
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  padding: 6px 18px;
  border-radius: 40px;
  letter-spacing: 1px;
  margin-bottom: 16px;
}
.section-head h2 { font-size: 38px; letter-spacing: -0.5px; }
.section-head p { color: var(--muted); font-size: 17px; margin-top: 12px; }

/* Header */
.site-header {
  position: sticky;
  top: 16px;
  z-index: 100;
  max-width: 1180px;
  margin: 16px auto 0;
  border-radius: 60px;
  background: rgba(255, 255, 255, 0.9);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  box-shadow: 0 8px 32px rgba(24, 58, 66, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.7);
}
.nav-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 10px 20px;
  max-width: 1180px;
}
.nav-logo {
  font-size: 26px;
  font-weight: 800;
  color: var(--secondary);
  white-space: nowrap;
  letter-spacing: -0.5px;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  gap: 4px;
  align-items: center;
  flex-wrap: wrap;
}
.nav-links a {
  padding: 9px 20px;
  border-radius: 40px;
  color: var(--text);
  font-weight: 500;
  font-size: 15px;
  white-space: nowrap;
}
.nav-links a:hover { background: #f0ece3; color: var(--primary-dark); }
.nav-links a.active { background: var(--secondary); color: #fff; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--primary);
  color: #fff;
  padding: 10px 22px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 14px;
  white-space: nowrap;
  box-shadow: 0 4px 16px rgba(193, 154, 91, 0.35);
}
.nav-cta:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(193, 154, 91, 0.4); }
.nav-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--secondary);
  cursor: pointer;
  padding: 8px;
  line-height: 1;
}

/* Hero */
.hero {
  position: relative;
  min-height: 640px;
  display: flex;
  align-items: center;
  justify-content: center;
  text-align: center;
  background: linear-gradient(120deg, rgba(24, 58, 66, 0.55), rgba(24, 58, 66, 0.2)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color: #fff;
  margin-top: -20px;
  border-radius: 0 0 40px 40px;
  overflow: hidden;
}
.hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background: radial-gradient(ellipse at center, transparent 30%, rgba(24, 58, 66, 0.3) 100%);
  pointer-events: none;
}
.hero-inner {
  position: relative;
  z-index: 2;
  max-width: 820px;
  padding: 140px 24px 90px;
}
.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(255, 255, 255, 0.18);
  border: 1px solid rgba(255, 255, 255, 0.3);
  backdrop-filter: blur(8px);
  color: #fff;
  font-size: 14px;
  font-weight: 600;
  padding: 8px 22px;
  border-radius: 40px;
  letter-spacing: 1px;
  margin-bottom: 24px;
}
.hero h1 {
  font-size: 56px;
  color: #fff;
  letter-spacing: -1px;
  margin-bottom: 18px;
  text-shadow: 0 4px 30px rgba(0, 0, 0, 0.25);
}
.hero-sub {
  font-size: 18px;
  line-height: 1.8;
  color: rgba(255, 255, 255, 0.92);
  max-width: 580px;
  margin: 0 auto 36px;
}
.hero-btns {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
}
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 13px 32px;
  border-radius: 50px;
  font-weight: 600;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: var(--transition);
  text-decoration: none;
}
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 6px 20px rgba(193, 154, 91, 0.4); }
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 10px 30px rgba(193, 154, 91, 0.5); }
.btn-ghost { background: rgba(255, 255, 255, 0.15); color: #fff; border: 1px solid rgba(255, 255, 255, 0.4); backdrop-filter: blur(8px); }
.btn-ghost:hover { background: rgba(255, 255, 255, 0.28); transform: translateY(-2px); }
.hero-scroll {
  position: absolute;
  bottom: 28px;
  left: 50%;
  transform: translateX(-50%);
  z-index: 3;
  color: rgba(255, 255, 255, 0.8);
  font-size: 20px;
  animation: floatDown 2.4s ease-in-out infinite;
}
@keyframes floatDown {
  0%, 100% { transform: translate(-50%, 0); }
  50% { transform: translate(-50%, 10px); }
}

/* Stats Bar */
.stats-bar {
  position: relative;
  z-index: 5;
  background: var(--white);
  border-radius: 24px;
  box-shadow: var(--shadow-lg);
  max-width: 1040px;
  margin: -56px auto 0;
  padding: 36px 40px;
  display: flex;
  flex-wrap: wrap;
  gap: 20px;
}
.stat-item {
  flex: 1;
  min-width: 150px;
  text-align: center;
  padding: 8px 12px;
  position: relative;
}
.stat-item + .stat-item::before {
  content: '';
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 1px;
  height: 44px;
  background: var(--border);
}
.stat-number {
  font-size: 36px;
  font-weight: 800;
  color: var(--secondary);
  letter-spacing: -0.5px;
  line-height: 1.2;
}
.stat-number span { color: var(--primary); }
.stat-label { font-size: 14px; color: var(--muted); margin-top: 4px; }

/* Why Section */
.why-section { padding: 90px 0 70px; }
.why-grid {
  display: flex;
  gap: 28px;
  flex-wrap: wrap;
}
.why-card {
  flex: 1;
  min-width: 280px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 38px 32px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  position: relative;
  overflow: hidden;
}
.why-card::before {
  content: '';
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 4px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
  border-radius: 0 0 4px 4px;
}
.why-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.why-icon {
  width: 64px;
  height: 64px;
  border-radius: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 26px;
  color: var(--primary-dark);
  background: var(--primary-light);
  margin-bottom: 20px;
}
.why-card h3 { font-size: 20px; margin-bottom: 12px; }
.why-card p { color: var(--muted); font-size: 15px; margin-bottom: 0; }

/* Category Cards */
.cat-section { background: linear-gradient(180deg, var(--bg) 0%, #f1ede4 100%); }
.cat-grid {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 26px;
}
.cat-card {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  background: var(--white);
  box-shadow: var(--shadow);
  transition: var(--transition);
  display: block;
  border: none;
}
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cat-card .cover-wrap {
  position: relative;
  height: 220px;
  overflow: hidden;
}
.cat-card .cover-wrap img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.6s ease;
}
.cat-card:hover .cover-wrap img { transform: scale(1.06); }
.cat-card .cover-wrap::after {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, transparent 45%, rgba(24, 58, 66, 0.55) 100%);
}
.cat-card .cat-tag {
  position: absolute;
  top: 16px;
  left: 16px;
  z-index: 2;
  background: rgba(255, 255, 255, 0.92);
  color: var(--secondary);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  backdrop-filter: blur(6px);
}
.cat-card .cat-body { padding: 22px 22px 26px; }
.cat-card .cat-body h3 { font-size: 19px; margin-bottom: 8px; }
.cat-card .cat-body p { color: var(--muted); font-size: 14px; margin-bottom: 14px; line-height: 1.7; }
.cat-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.cat-link i { transition: transform var(--transition); }
.cat-card:hover .cat-link i { transform: translateX(5px); }

/* Articles Section */
.articles-section { padding: 90px 0; }
.article-list {
  display: flex;
  flex-direction: column;
  gap: 24px;
  max-width: 920px;
  margin: 0 auto;
}
.article-item {
  display: flex;
  gap: 26px;
  background: var(--white);
  border-radius: var(--radius);
  padding: 18px;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: var(--transition);
  align-items: center;
}
.article-item:hover { box-shadow: var(--shadow-lg); transform: translateX(6px); }
.article-thumb {
  width: 220px;
  height: 150px;
  border-radius: var(--radius-sm);
  object-fit: cover;
  flex-shrink: 0;
}
.article-content { flex: 1; padding-right: 10px; }
.article-meta {
  display: flex;
  align-items: center;
  gap: 12px;
  font-size: 13px;
  color: var(--muted);
  margin-bottom: 8px;
  flex-wrap: wrap;
}
.article-meta .tag {
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 3px 12px;
  border-radius: 30px;
  font-weight: 600;
}
.article-content h3 { font-size: 20px; margin-bottom: 8px; }
.article-content h3 a:hover { color: var(--primary-dark); }
.article-content p { color: var(--muted); font-size: 14px; margin-bottom: 10px; line-height: 1.7; }
.read-more {
  font-size: 14px;
  font-weight: 600;
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  gap: 6px;
}
.read-more:hover { color: var(--secondary); }

/* Journey / Timeline */
.journey-section {
  background: linear-gradient(135deg, rgba(24, 58, 66, 0.88), rgba(42, 85, 96, 0.82)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  padding: 90px 0;
  color: #fff;
}
.journey-section .section-head h2 { color: #fff; }
.journey-section .section-head .section-tag { background: rgba(255, 255, 255, 0.16); color: #fff; border: 1px solid rgba(255, 255, 255, 0.25); }
.journey-section .section-head p { color: rgba(255, 255, 255, 0.75); }
.steps {
  display: grid;
  grid-template-columns: repeat(4, 1fr);
  gap: 28px;
  margin-top: 20px;
}
.step-card {
  background: rgba(255, 255, 255, 0.1);
  border: 1px solid rgba(255, 255, 255, 0.2);
  border-radius: var(--radius);
  padding: 32px 26px;
  backdrop-filter: blur(10px);
  transition: var(--transition);
  text-align: center;
}
.step-card:hover { background: rgba(255, 255, 255, 0.18); transform: translateY(-5px); }
.step-num {
  width: 46px;
  height: 46px;
  border-radius: 50%;
  background: var(--primary);
  color: #fff;
  font-weight: 800;
  font-size: 18px;
  display: flex;
  align-items: center;
  justify-content: center;
  margin: 0 auto 16px;
  box-shadow: 0 6px 20px rgba(193, 154, 91, 0.4);
}
.step-card h3 { color: #fff; font-size: 18px; margin-bottom: 10px; }
.step-card p { color: rgba(255, 255, 255, 0.75); font-size: 14px; margin-bottom: 0; line-height: 1.7; }

/* Rating Bar */
.rating-row {
  display: flex;
  align-items: center;
  gap: 14px;
  margin-top: 10px;
  font-size: 13px;
}
.rating-label { min-width: 80px; color: var(--muted); font-weight: 500; }
.rating-track {
  flex: 1;
  height: 8px;
  background: #eceae3;
  border-radius: 10px;
  overflow: hidden;
}
.rating-fill {
  height: 100%;
  border-radius: 10px;
  background: linear-gradient(90deg, var(--primary), var(--primary-light));
}
.rating-value { min-width: 34px; font-weight: 700; color: var(--secondary); }

/* FAQ */
.faq-section { padding: 90px 0; }
.faq-wrap { max-width: 820px; margin: 0 auto; }
.faq-item {
  background: var(--white);
  border: 1px solid var(--border);
  border-radius: var(--radius-sm);
  margin-bottom: 16px;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item:hover { box-shadow: var(--shadow); }
.faq-question {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding: 22px 26px;
  cursor: pointer;
  font-weight: 600;
  color: var(--secondary);
  font-size: 16px;
  user-select: none;
}
.faq-question i {
  font-size: 18px;
  color: var(--primary);
  transition: transform var(--transition);
  flex-shrink: 0;
  margin-left: 16px;
}
.faq-item.active .faq-question i { transform: rotate(45deg); }
.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.4s ease;
}
.faq-answer-inner {
  padding: 0 26px 24px;
  color: var(--muted);
  font-size: 15px;
  line-height: 1.8;
}

/* CTA */
.cta-section {
  padding: 80px 0;
  background: linear-gradient(135deg, #f1ede4 0%, var(--bg) 100%);
}
.cta-card {
  background: linear-gradient(135deg, var(--secondary), var(--secondary-light)), url('/assets/images/backpic/back-3.png') center/cover;
  border-radius: 32px;
  padding: 60px 48px;
  text-align: center;
  color: #fff;
  position: relative;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}
.cta-card::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(120deg, rgba(24, 58, 66, 0.75), rgba(42, 85, 96, 0.55));
}
.cta-card > * { position: relative; z-index: 2; }
.cta-card h2 { color: #fff; font-size: 36px; margin-bottom: 14px; }
.cta-card p { color: rgba(255, 255, 255, 0.85); font-size: 17px; max-width: 560px; margin: 0 auto 32px; }

/* Footer */
.site-footer {
  background: var(--secondary);
  color: #d5e0e2;
  padding: 70px 0 30px;
  border-radius: 40px 40px 0 0;
}
.site-footer .nav-logo { color: #fff; }
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 40px;
  margin-bottom: 44px;
}
.footer-brand p { color: #9fb4bb; font-size: 14px; line-height: 1.8; margin-top: 16px; max-width: 300px; }
.footer-col h5 {
  color: #fff;
  font-size: 15px;
  margin-bottom: 18px;
  letter-spacing: 0.5px;
  position: relative;
  padding-bottom: 10px;
}
.footer-col h5::after {
  content: '';
  position: absolute;
  bottom: 0;
  left: 0;
  width: 28px;
  height: 2px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-col ul { list-style: none; padding: 0; margin: 0; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a {
  color: #9fb4bb;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul a:hover { color: var(--primary); padding-left: 4px; }
.footer-col ul a i { color: var(--primary); font-size: 13px; }
.footer-col ul span {
  color: #9fb4bb;
  font-size: 14px;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col ul span i { color: var(--primary); font-size: 13px; }
.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  padding-top: 26px;
  text-align: center;
  font-size: 14px;
  color: #8da4ab;
}
.footer-bottom a { color: #c8d6da; }
.footer-bottom a:hover { color: var(--primary); }

/* Breadcrumb */
.breadcrumb-bar {
  padding: 20px 0 0;
  max-width: 1200px;
  margin: 0 auto;
}
.breadcrumb-bar .container {
  font-size: 13px;
  color: var(--muted);
}
.breadcrumb-bar a { color: var(--secondary); font-weight: 500; }
.breadcrumb-bar a:hover { color: var(--primary-dark); }
.breadcrumb-bar span { margin: 0 8px; color: var(--border); }

/* Responsive */
@media (max-width: 1024px) {
  .cat-grid { grid-template-columns: repeat(2, 1fr); gap: 22px; }
  .steps { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .hero h1 { font-size: 46px; }
  .section-head h2 { font-size: 32px; }
}

@media (max-width: 768px) {
  .section-pad { padding: 60px 0; }
  .why-grid { flex-direction: column; }
  .article-item { flex-direction: column; align-items: flex-start; }
  .article-thumb { width: 100%; height: 200px; }
  .cta-card { padding: 44px 24px; }
  .cta-card h2 { font-size: 28px; }
  .stats-bar { padding: 28px 20px; gap: 14px; }
  .stat-item { min-width: 130px; }
  .stat-number { font-size: 28px; }

  .site-header {
    margin: 10px 12px 0;
    border-radius: 28px;
  }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .nav-links {
    display: none;
    position: absolute;
    top: calc(100% + 10px);
    left: 12px;
    right: 12px;
    background: var(--white);
    border-radius: 20px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    border: 1px solid var(--border);
  }
  .nav-links.open { display: flex; }
  .nav-links a {
    padding: 12px 18px;
    border-radius: 12px;
    text-align: center;
  }
  .nav-inner { padding: 10px 16px; }
}

@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .hero { min-height: 540px; border-radius: 0 0 28px 28px; }
  .hero-inner { padding: 110px 16px 70px; }
  .hero h1 { font-size: 34px; }
  .hero-sub { font-size: 16px; }
  .hero-btns .btn { width: 100%; justify-content: center; }
  .cat-grid { grid-template-columns: 1fr; }
  .steps { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .stat-item + .stat-item::before { display: none; }
  .stats-bar { flex-direction: column; gap: 0; text-align: center; }
  .section-head h2 { font-size: 28px; }
  .article-content h3 { font-size: 18px; }
  .cta-card { border-radius: 24px; }
  .cta-card h2 { font-size: 24px; }
  .faq-question { padding: 18px 18px; font-size: 15px; }
  .faq-answer-inner { padding: 0 18px 20px; }
  .nav-logo { font-size: 22px; }
}

/* Accessibility */
:focus-visible {
  outline: 3px solid var(--primary);
  outline-offset: 2px;
  border-radius: 4px;
}

/* roulang page: article */
/* ===== 设计变量 ===== */
:root {
  --primary: #b8860b;
  --primary-dark: #8b6914;
  --primary-light: #d4af37;
  --accent: #c41e3a;
  --bg: #f9f7f4;
  --bg-alt: #f1ede6;
  --bg-dark: #1c1915;
  --text: #2c2a26;
  --text-light: #77736c;
  --border: #e8e2d8;
  --white: #ffffff;
  --radius: 16px;
  --radius-sm: 10px;
  --radius-lg: 24px;
  --shadow: 0 10px 30px rgba(44,42,38,0.08);
  --shadow-lg: 0 20px 50px rgba(44,42,38,0.14);
  --transition: all .25s ease;
  --font-body: 'Noto Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
  --font-title: 'Noto Serif SC', 'Songti SC', serif;
}

/* ===== 基础 Reset / Base ===== */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font-body);
  font-size: 16px;
  line-height: 1.75;
  color: var(--text);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; display: block; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea, select { font-family: inherit; font-size: 1rem; }
ul { list-style: none; }
.container {
  width: 100%;
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}
::selection { background: var(--primary-light); color: #fff; }

/* ===== 按钮 ===== */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 50px;
  font-size: 0.95rem;
  font-weight: 600;
  line-height: 1.4;
  border: 2px solid transparent;
  transition: var(--transition);
  cursor: pointer;
  text-align: center;
}
.btn i { font-size: 1rem; }
.btn-primary {
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  border-color: rgba(255,255,255,0.15);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 30px rgba(184,134,11,0.35);
  color: #fff;
}
.btn-outline {
  background: transparent;
  color: var(--primary-dark);
  border-color: var(--primary);
}
.btn-outline:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 8px 20px rgba(184,134,11,0.25);
}
.btn-light {
  background: var(--white);
  color: var(--primary-dark);
  border-color: var(--white);
}
.btn-light:hover {
  background: transparent;
  color: var(--white);
  border-color: var(--white);
  transform: translateY(-2px);
}

/* ===== 导航 ===== */
.site-header {
  position: absolute;
  top: 0;
  left: 0;
  right: 0;
  z-index: 100;
  padding: 22px 0 0;
}
.nav-inner {
  display: flex;
  align-items: center;
  gap: 22px;
  background: rgba(255,255,255,0.86);
  backdrop-filter: blur(20px);
  -webkit-backdrop-filter: blur(20px);
  border-radius: 60px;
  padding: 10px 16px 10px 28px;
  border: 1px solid rgba(255,255,255,0.7);
  box-shadow: 0 8px 30px rgba(44,42,38,0.10);
}
.nav-logo {
  font-family: var(--font-title);
  font-size: 1.45rem;
  font-weight: 900;
  color: var(--text);
  letter-spacing: 0.02em;
  line-height: 1.2;
  white-space: nowrap;
}
.nav-logo span { color: var(--primary); }
.nav-links {
  display: flex;
  align-items: center;
  gap: 6px;
  margin-left: auto;
}
.nav-links a {
  padding: 9px 18px;
  border-radius: 40px;
  font-size: 0.92rem;
  font-weight: 500;
  color: var(--text);
  transition: var(--transition);
}
.nav-links a:hover {
  background: rgba(184,134,11,0.09);
  color: var(--primary-dark);
}
.nav-links a.active {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 4px 14px rgba(184,134,11,0.35);
}
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 10px 20px;
  border-radius: 40px;
  background: var(--text);
  color: #fff;
  font-size: 0.88rem;
  font-weight: 600;
  border: 2px solid var(--text);
  transition: var(--transition);
  white-space: nowrap;
}
.nav-cta:hover {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
  transform: translateY(-2px);
}
.nav-toggle {
  display: none;
  width: 44px;
  height: 44px;
  border-radius: 50%;
  background: var(--bg-alt);
  color: var(--text);
  font-size: 1.1rem;
  align-items: center;
  justify-content: center;
  transition: var(--transition);
}
.nav-toggle:hover { background: var(--primary); color: #fff; }

/* ===== 文章 Hero ===== */
.article-hero {
  position: relative;
  padding: 210px 0 110px;
  background: url('/assets/images/backpic/back-1.png') center 30% / cover no-repeat;
  overflow: hidden;
}
.article-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(180deg, rgba(15,12,8,0.58) 0%, rgba(15,12,8,0.28) 45%, rgba(15,12,8,0.68) 100%);
  z-index: 1;
}
.article-hero .container { position: relative; z-index: 2; }
.hero-breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.88rem;
  color: rgba(255,255,255,0.82);
  margin-bottom: 22px;
  flex-wrap: wrap;
}
.hero-breadcrumb a {
  color: rgba(255,255,255,0.82);
  transition: var(--transition);
}
.hero-breadcrumb a:hover { color: var(--primary-light); }
.hero-breadcrumb i { font-size: 0.7rem; color: rgba(255,255,255,0.5); }
.hero-breadcrumb .crumb-current { color: var(--primary-light); }
.article-hero .hero-category {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: rgba(184,134,11,0.22);
  border: 1px solid rgba(212,175,55,0.5);
  color: #f3d57c;
  padding: 6px 18px;
  border-radius: 40px;
  font-size: 0.8rem;
  font-weight: 600;
  margin-bottom: 18px;
  letter-spacing: 0.06em;
}
.article-hero h1 {
  font-family: var(--font-title);
  font-size: clamp(2.1rem, 4.2vw, 3.4rem);
  font-weight: 900;
  color: #fff;
  line-height: 1.3;
  margin-bottom: 18px;
  max-width: 880px;
  text-shadow: 0 4px 24px rgba(0,0,0,0.3);
}
.hero-meta {
  display: flex;
  align-items: center;
  gap: 22px;
  color: rgba(255,255,255,0.88);
  font-size: 0.9rem;
  flex-wrap: wrap;
}
.hero-meta span { display: inline-flex; align-items: center; gap: 7px; }
.hero-meta i { color: var(--primary-light); }

/* ===== 文章主体 ===== */
.article-section {
  padding: 70px 0 60px;
}
.article-layout {
  display: grid;
  grid-template-columns: minmax(0, 1fr) 340px;
  gap: 42px;
  align-items: start;
}
.article-main-card {
  background: #fff;
  border-radius: var(--radius-lg);
  padding: 48px 52px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(232,226,216,0.7);
}
.article-body {
  font-size: 1.03rem;
  line-height: 2;
  color: #403c36;
}
.article-body h2, .article-body h3 {
  font-family: var(--font-title);
  margin: 2em 0 0.7em;
  color: var(--text);
}
.article-body h2 { font-size: 1.65rem; border-bottom: 2px solid var(--bg-alt); padding-bottom: 0.5em; }
.article-body h3 { font-size: 1.25rem; }
.article-body p { margin-bottom: 1.35em; }
.article-body img { border-radius: var(--radius); margin: 1.8em 0; box-shadow: var(--shadow); }
.article-body ul, .article-body ol { margin: 1.2em 0 1.5em 1.4em; }
.article-body li { margin-bottom: 0.55em; }
.article-body blockquote {
  border-left: 4px solid var(--primary-light);
  background: var(--bg-alt);
  padding: 20px 24px;
  border-radius: 0 var(--radius) var(--radius) 0;
  margin: 1.8em 0;
  color: var(--text-light);
}
.article-body a { text-decoration: underline; text-underline-offset: 4px; }
.not-found-box {
  text-align: center;
  padding: 80px 30px;
  background: var(--bg-alt);
  border-radius: var(--radius-lg);
}
.not-found-box i { font-size: 3.4rem; color: var(--primary-light); display: block; margin-bottom: 18px; }
.not-found-box h3 { font-size: 1.8rem; margin-bottom: 10px; font-family: var(--font-title); }
.not-found-box p { color: var(--text-light); margin-bottom: 28px; }

/* ===== 侧边栏 ===== */
.article-sidebar {
  display: flex;
  flex-direction: column;
  gap: 28px;
  position: sticky;
  top: 110px;
}
.side-card {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid rgba(232,226,216,0.6);
}
.side-card h3 {
  font-family: var(--font-title);
  font-size: 1.1rem;
  margin-bottom: 18px;
  padding-bottom: 12px;
  position: relative;
  color: var(--text);
}
.side-card h3::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 0;
  width: 34px;
  height: 3px;
  border-radius: 4px;
  background: var(--primary-light);
}
.info-list { display: flex; flex-direction: column; gap: 12px; }
.info-list li {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 0.9rem;
  color: var(--text-light);
}
.info-list li i { color: var(--primary); width: 18px; text-align: center; }
.info-list li strong { color: var(--text); font-weight: 600; }
.side-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 6px 14px;
  border-radius: 30px;
  background: var(--bg-alt);
  border: 1px solid var(--border);
  font-size: 0.82rem;
  color: var(--text-light);
  transition: var(--transition);
}
.tag:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}
.side-guide {
  display: flex;
  gap: 16px;
  align-items: center;
  padding: 14px 0;
  border-bottom: 1px dashed var(--border);
}
.side-guide:last-child { border-bottom: none; padding-bottom: 0; }
.side-guide img {
  width: 68px;
  height: 58px;
  object-fit: cover;
  border-radius: 12px;
  flex-shrink: 0;
}
.side-guide h4 { font-size: 0.9rem; line-height: 1.5; color: var(--text); margin-bottom: 4px; }
.side-guide h4 a:hover { color: var(--primary); }
.side-guide span { font-size: 0.76rem; color: var(--text-light); }

/* ===== 内容亮点 ===== */
.highlight-section {
  padding: 80px 0;
  background: var(--bg-alt);
}
.section-head {
  text-align: center;
  max-width: 640px;
  margin: 0 auto 46px;
}
.section-head .eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--primary);
  background: rgba(184,134,11,0.1);
  border: 1px solid rgba(184,134,11,0.2);
  padding: 6px 16px;
  border-radius: 40px;
  font-size: 0.78rem;
  font-weight: 600;
  text-transform: uppercase;
  letter-spacing: 0.08em;
  margin-bottom: 16px;
}
.section-head h2 {
  font-family: var(--font-title);
  font-size: clamp(1.7rem, 3vw, 2.3rem);
  font-weight: 900;
  color: var(--text);
  line-height: 1.35;
  margin-bottom: 12px;
}
.section-head p { color: var(--text-light); font-size: 0.98rem; }
.highlight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.highlight-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(232,226,216,0.6);
  transition: var(--transition);
}
.highlight-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
}
.highlight-card img { width: 100%; height: 190px; object-fit: cover; }
.highlight-body { padding: 26px 28px 30px; }
.highlight-body .icon-badge {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary-light), var(--primary));
  color: #fff;
  font-size: 1.05rem;
  margin-bottom: 16px;
  box-shadow: 0 6px 16px rgba(184,134,11,0.3);
}
.highlight-body h3 { font-size: 1.15rem; font-weight: 700; margin-bottom: 8px; }
.highlight-body p { font-size: 0.9rem; color: var(--text-light); line-height: 1.7; }

/* ===== 相关推荐 ===== */
.related-section {
  padding: 80px 0;
}
.related-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 28px;
}
.related-card {
  background: #fff;
  border-radius: var(--radius-lg);
  overflow: hidden;
  box-shadow: var(--shadow);
  border: 1px solid rgba(232,226,216,0.6);
  transition: var(--transition);
  color: var(--text);
}
.related-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-lg);
  color: var(--text);
}
.related-card img { width: 100%; height: 180px; object-fit: cover; }
.related-card .related-body { padding: 24px 26px; }
.related-card .related-tag {
  display: inline-block;
  font-size: 0.76rem;
  color: var(--primary-dark);
  background: rgba(184,134,11,0.1);
  padding: 4px 12px;
  border-radius: 30px;
  margin-bottom: 10px;
}
.related-card h3 { font-size: 1.05rem; font-weight: 700; line-height: 1.5; margin-bottom: 8px; }
.related-card .related-sum {
  font-size: 0.87rem;
  color: var(--text-light);
  line-height: 1.65;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}
.related-card .related-meta { font-size: 0.78rem; color: var(--text-light); display: flex; gap: 14px; }
.related-card .related-meta i { color: var(--primary); }

/* ===== FAQ ===== */
.faq-section {
  padding: 80px 0;
  background: var(--bg-dark);
  position: relative;
  overflow: hidden;
}
.faq-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: url('/assets/images/backpic/back-3.png') center 20% / cover no-repeat;
  opacity: 0.09;
}
.faq-inner { position: relative; }
.faq-section .section-head h2 { color: #fff; }
.faq-section .section-head p { color: rgba(255,255,255,0.6); }
.faq-list {
  max-width: 800px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}
.faq-item {
  background: rgba(255,255,255,0.08);
  border: 1px solid rgba(255,255,255,0.14);
  border-radius: var(--radius);
  padding: 0;
  overflow: hidden;
  transition: var(--transition);
}
.faq-item.open { background: rgba(255,255,255,0.12); }
.faq-item summary {
  display: flex;
  align-items: center;
  gap: 16px;
  padding: 20px 26px;
  cursor: pointer;
  font-size: 1rem;
  color: #fff;
  font-weight: 600;
  list-style: none;
  transition: var(--transition);
}
.faq-item summary::-webkit-details-marker { display: none; }
.faq-item summary .faq-num {
  width: 34px;
  height: 34px;
  border-radius: 50%;
  background: var(--primary-light);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.8rem;
  font-weight: 700;
  flex-shrink: 0;
}
.faq-item summary .faq-icon {
  margin-left: auto;
  color: var(--primary-light);
  transition: transform 0.3s ease;
}
.faq-item[open] summary .faq-icon { transform: rotate(45deg); }
.faq-item .faq-content {
  padding: 0 26px 22px 76px;
  color: rgba(255,255,255,0.78);
  font-size: 0.92rem;
  line-height: 1.8;
}

/* ===== CTA ===== */
.cta-section {
  padding: 80px 0;
  background: url('/assets/images/backpic/back-2.png') center 40% / cover no-repeat;
  position: relative;
}
.cta-section::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(28,25,21,0.85) 0%, rgba(28,25,21,0.65) 100%);
}
.cta-inner {
  position: relative;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 36px;
  flex-wrap: wrap;
}
.cta-text h2 {
  font-family: var(--font-title);
  font-size: clamp(1.6rem, 3vw, 2.2rem);
  color: #fff;
  font-weight: 900;
  margin-bottom: 12px;
}
.cta-text p { color: rgba(255,255,255,0.76); font-size: 0.98rem; max-width: 560px; }
.cta-actions { display: flex; gap: 14px; flex-wrap: wrap; }

/* ===== 页脚 ===== */
.site-footer {
  background: #161310;
  color: rgba(255,255,255,0.68);
  padding: 64px 0 30px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.2fr;
  gap: 42px;
  padding-bottom: 42px;
  border-bottom: 1px solid rgba(255,255,255,0.09);
}
.footer-brand .nav-logo { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 0.88rem; line-height: 1.8; color: rgba(255,255,255,0.55); }
.footer-col h5 {
  color: #fff;
  font-size: 0.95rem;
  font-weight: 600;
  margin-bottom: 16px;
  letter-spacing: 0.05em;
}
.footer-col ul { display: flex; flex-direction: column; gap: 10px; }
.footer-col a, .footer-col span {
  color: rgba(255,255,255,0.58);
  font-size: 0.87rem;
  transition: var(--transition);
  display: inline-flex;
  align-items: center;
  gap: 8px;
}
.footer-col a:hover { color: var(--primary-light); transform: translateX(4px); }
.footer-col i { color: var(--primary-light); font-size: 0.78rem; }
.footer-bottom {
  padding-top: 28px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.38);
}
.footer-bottom a { color: rgba(255,255,255,0.5); }
.footer-bottom a:hover { color: var(--primary-light); }

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .article-sidebar {
    position: static;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 20px;
  }
  .highlight-grid, .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 768px) {
  .nav-links {
    position: fixed;
    top: 76px;
    left: 16px;
    right: 16px;
    flex-direction: column;
    background: #fff;
    border-radius: 20px;
    padding: 16px;
    box-shadow: var(--shadow-lg);
    border: 1px solid var(--border);
    display: none;
    align-items: stretch;
    z-index: 100;
  }
  .nav-links.open { display: flex; }
  .nav-links a { padding: 12px 18px; }
  .nav-cta { display: none; }
  .nav-toggle { display: inline-flex; }
  .article-hero { padding: 160px 0 80px; }
  .article-main-card { padding: 30px 24px; }
  .article-sidebar { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
  .cta-inner { flex-direction: column; align-items: flex-start; }
}
@media (max-width: 520px) {
  .highlight-grid, .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; }
  .nav-inner { padding-left: 20px; gap: 12px; }
  .nav-logo { font-size: 1.2rem; }
  .hero-meta { gap: 12px; font-size: 0.82rem; }
  .article-main-card { padding: 24px 18px; }
  .faq-item .faq-content { padding-left: 24px; }
  .article-hero h1 { font-size: 1.8rem; }
}