/* roulang page: index */
:root{
  --primary:#0a1d3a;
  --primary-dark:#071628;
  --accent:#c9a227;
  --accent-light:#e0bc55;
  --darkbg:#0d1b2a;
  --text:#1f242b;
  --text-weak:#6b7280;
  --border:#e6e8ec;
  --radius-lg:18px;
  --radius-md:12px;
  --shadow-card:0 2px 12px rgba(10,29,58,.06);
  --shadow-hover:0 12px 32px rgba(10,29,58,.14);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  font-family:'PingFang SC','Hiragino Sans GB','Microsoft YaHei','Noto Sans SC',system-ui,-apple-system,sans-serif;
  color:var(--text);
  background:#fff;
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:inherit;text-decoration:none;transition:all .25s ease}
img{max-width:100%;display:block}
button{font-family:inherit}

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

/* ===== Top Bar ===== */
.topbar{
  background:var(--primary-dark);
  color:rgba(255,255,255,.75);
  font-size:13px;
  padding:8px 0;
  border-bottom:1px solid rgba(255,255,255,.06);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap}
.topbar-left{display:flex;align-items:center;gap:16px}
.topbar-right{display:flex;align-items:center;gap:16px}
.topbar .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);display:inline-block;margin-right:6px}

/* ===== Header ===== */
.main-header{
  background:#fff;
  border-bottom:1px solid var(--border);
  position:sticky;top:0;z-index:1000;
  box-shadow:0 1px 6px rgba(10,29,58,.05);
}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  min-height:70px;gap:20px;
}
.logo{
  display:flex;align-items:center;gap:12px;
  font-size:20px;font-weight:800;
  color:var(--primary);
  letter-spacing:.5px;
  line-height:1.3;
}
.logo-icon{
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--accent);
  font-size:18px;
  flex-shrink:0;
}
.main-nav{
  display:flex;align-items:center;gap:4px;
}
.main-nav a{
  padding:9px 20px;
  font-size:15px;
  font-weight:500;
  color:#3a4048;
  border-radius:8px;
  transition:all .25s ease;
}
.main-nav a:hover{color:var(--primary);background:rgba(10,29,58,.05)}
.main-nav a.active{
  color:var(--primary);
  background:rgba(10,29,58,.07);
  font-weight:600;
  position:relative;
}
.main-nav a.active::after{
  content:'';
  position:absolute;
  bottom:2px;left:35%;right:35%;
  height:2px;border-radius:2px;
  background:var(--accent);
}
.nav-cta{
  display:inline-flex;
  align-items:center;gap:6px;
  background:var(--primary);
  color:#fff;
  padding:10px 22px;
  border-radius:50px;
  font-size:14px;
  font-weight:600;
  box-shadow:0 4px 14px rgba(10,29,58,.25);
  transition:all .3s ease;
}
.nav-cta:hover{
  background:var(--primary-light);
  transform:translateY(-2px);
  color:#fff;
}
.nav-toggle{
  display:none;
  background:transparent;border:none;
  font-size:24px;color:var(--primary);
  cursor:pointer;padding:8px;border-radius:8px;
}
.nav-toggle:hover{background:rgba(10,29,58,.05)}

/* ===== Hero ===== */
.hero{
  position:relative;
  background:url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
  padding:110px 0 120px;
  color:#fff;
  overflow:hidden;
}
.hero::before{
  content:'';
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(7,22,40,.92) 0%,rgba(10,29,58,.78) 55%,rgba(13,27,42,.62) 100%);
}
.hero-content{position:relative;z-index:2;max-width:720px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,162,39,.18);
  border:1px solid rgba(201,162,39,.5);
  color:var(--accent-light);
  padding:6px 18px;
  border-radius:50px;
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  margin-bottom:22px;
  backdrop-filter:blur(4px);
}
.hero h1{
  font-size:48px;
  font-weight:900;
  line-height:1.15;
  margin-bottom:20px;
  letter-spacing:1px;
  text-shadow:0 4px 20px rgba(0,0,0,.3);
}
.hero h1 span{color:var(--accent)}
.hero-desc{
  font-size:17px;
  line-height:1.8;
  color:rgba(255,255,255,.85);
  margin-bottom:32px;
  max-width:600px;
}
.hero-btns{display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 28px;
  border-radius:50px;
  font-size:15px;
  font-weight:600;
  transition:all .3s ease;
  cursor:pointer;border:none;line-height:1.2;
}
.btn-primary{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);
  color:#fff;
  box-shadow:0 6px 20px rgba(201,162,39,.35);
}
.btn-primary:hover{
  transform:translateY(-2px);
  box-shadow:0 10px 30px rgba(201,162,39,.45);
  color:#fff;
}
.btn-outline-light{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.5);
  color:#fff;
  backdrop-filter:blur(4px);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.2);
  color:#fff;
  transform:translateY(-2px);
}

/* ===== Section ===== */
.section{padding:84px 0}
.section-alt{background:var(--lightbg)}
.section-head{text-align:center;max-width:680px;margin:0 auto 52px}
.section-head .tag{
  display:inline-block;
  background:rgba(201,162,39,.1);
  color:var(--accent-dark);
  font-size:13px;
  font-weight:600;
  padding:5px 16px;
  border-radius:50px;
  margin-bottom:14px;
  letter-spacing:1px;
}
.section-head h2{
  font-size:32px;
  font-weight:800;
  color:var(--primary);
  line-height:1.3;
  margin-bottom:12px;
}
.section-head p{color:var(--text-weak);font-size:16px;line-height:1.7}

/* ===== Feature Cards ===== */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.feature-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:32px 26px;
  text-align:center;
  box-shadow:var(--shadow-card);
  transition:all .35s ease;
}
.feature-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,162,39,.4);
}
.feature-icon{
  width:62px;height:62px;
  border-radius:16px;
  background:linear-gradient(135deg,var(--primary) 0%,var(--primary-light) 100%);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
  font-size:24px;
  color:var(--accent);
}
.feature-card h3{font-size:17px;font-weight:700;color:var(--primary);margin-bottom:10px}
.feature-card p{font-size:14px;color:var(--text-weak);line-height:1.7}

/* ===== Stats ===== */
.stats-section{
  position:relative;
  background:url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
  padding:70px 0;
  color:#fff;
}
.stats-section::before{
  content:'';
  position:absolute;inset:0;
  background:rgba(7,22,40,.88);
}
.stats-grid{
  position:relative;z-index:1;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:28px;
}
.stat-item{
  text-align:center;
  padding:28px 16px;
  border:1px solid rgba(255,255,255,.08);
  border-radius:var(--radius-lg);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(4px);
}
.stat-num{
  font-size:42px;
  font-weight:900;
  color:var(--accent);
  line-height:1.2;
  margin-bottom:6px;
  font-family:'DIN Alternate','Arial',sans-serif;
}
.stat-label{font-size:14px;color:rgba(255,255,255,.75)}

/* ===== Category ===== */
.cat-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:28px;
}
.cat-card{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:all .35s ease;
  display:block;
}
.cat-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.cat-card img{
  width:100%;
  height:320px;
  object-fit:cover;
  transition:transform .6s ease;
}
.cat-card:hover img{transform:scale(1.05)}
.cat-overlay{
  position:absolute;inset:0;
  background:linear-gradient(to top,rgba(10,29,58,.92) 0%,rgba(10,29,58,.35) 50%,rgba(10,29,58,.05) 100%);
  display:flex;
  align-items:flex-end;
  padding:36px 34px;
}
.cat-info h3{
  font-size:24px;font-weight:800;
  color:#fff;
  margin-bottom:8px;
}
.cat-info p{
  color:rgba(255,255,255,.8);
  font-size:14px;
  line-height:1.6;
  margin-bottom:14px;
}
.cat-link{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--accent);
  font-size:14px;font-weight:600;
}
.cat-link i{transition:transform .3s ease}
.cat-card:hover .cat-link i{transform:translateX(5px)}

/* ===== Post List ===== */
.post-list{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:20px;
}
.post-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:24px 26px;
  display:flex;
  flex-direction:column;
  gap:8px;
  transition:all .3s ease;
  box-shadow:var(--shadow-card);
}
.post-item:hover{
  transform:translateY(-3px);
  box-shadow:var(--shadow-hover);
  border-color:rgba(201,162,39,.4);
}
.post-meta{
  display:flex;align-items:center;gap:12px;
  font-size:12px;
  color:var(--text-weak);
}
.post-cat{
  display:inline-block;
  background:rgba(201,162,39,.12);
  color:var(--accent-dark);
  padding:3px 12px;
  border-radius:50px;
  font-weight:600;
  font-size:12px;
}
.post-item h3{
  font-size:17px;
  font-weight:700;
  color:var(--primary);
  line-height:1.5;
  margin:4px 0 0;
  transition:color .25s ease;
}
.post-item:hover h3{color:var(--accent-dark)}
.post-item p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.7;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.post-empty{
  grid-column:1/-1;
  text-align:center;
  background:#fff;
  border:1px dashed var(--border);
  border-radius:var(--radius-lg);
  padding:48px 24px;
  color:var(--text-weak);
  font-size:15px;
}

/* ===== Featured Content ===== */
.feat-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.feat-card{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  transition:all .35s ease;
  box-shadow:var(--shadow-card);
}
.feat-card:hover{
  transform:translateY(-6px);
  box-shadow:var(--shadow-hover);
}
.feat-card img{
  width:100%;height:180px;
  object-fit:cover;
}
.feat-body{padding:24px}
.feat-body .tag-chip{
  display:inline-block;
  background:rgba(10,29,58,.06);
  color:var(--primary);
  font-size:12px;
  font-weight:600;
  padding:3px 12px;
  border-radius:50px;
  margin-bottom:10px;
}
.feat-body h3{
  font-size:16px;
  font-weight:700;
  color:var(--primary);
  margin-bottom:10px;
  line-height:1.5;
}
.feat-body p{
  font-size:14px;
  color:var(--text-weak);
  line-height:1.7;
}

/* ===== Process ===== */
.process-section{
  position:relative;
  background:var(--primary);
  color:#fff;
  overflow:hidden;
}
.process-section::before{
  content:'';
  position:absolute;
  top:-80px;right:-80px;
  width:300px;height:300px;
  border-radius:50%;
  background:rgba(201,162,39,.08);
}
.process-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:32px;
  position:relative;z-index:1;
}
.process-step{
  text-align:center;
  padding:24px 20px;
}
.step-num{
  width:56px;height:56px;
  border-radius:50%;
  background:rgba(201,162,39,.15);
  border:2px solid var(--accent);
  display:flex;align-items:center;justify-content:center;
  margin:0 auto 18px;
  font-size:22px;
  font-weight:800;
  color:var(--accent);
}
.process-step h3{font-size:18px;font-weight:700;margin-bottom:10px}
.process-step p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.7}

/* ===== FAQ ===== */
.faq-list{
  max-width:760px;
  margin:0 auto;
  display:flex;
  flex-direction:column;
  gap:16px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  overflow:hidden;
  transition:border-color .3s ease;
}
.faq-item:hover{border-color:rgba(201,162,39,.4)}
.faq-item summary{
  padding:20px 24px;
  font-size:16px;
  font-weight:600;
  color:var(--primary);
  cursor:pointer;
  list-style:none;
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:14px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:'\f078';
  font-family:'Font Awesome 6 Free';
  font-weight:900;
  font-size:13px;
  color:var(--text-weak);
  transition:transform .3s ease;
  flex-shrink:0;
}
.faq-item[open] summary::after{transform:rotate(180deg);color:var(--accent-dark)}
.faq-body{
  padding:0 24px 20px;
  font-size:14px;
  color:var(--text-weak);
  line-height:1.75;
}

/* ===== CTA ===== */
.cta-section{
  background:linear-gradient(135deg,var(--accent) 0%,var(--accent-dark) 100%);
  padding:70px 0;
  text-align:center;
  position:relative;
  overflow:hidden;
}
.cta-section::before{
  content:'';
  position:absolute;
  top:0;left:0;right:0;bottom:0;
  background:url('/assets/images/backpic/back-3.png') center center / cover no-repeat;
  opacity:.08;
}
.cta-inner{position:relative;z-index:1;max-width:600px;margin:0 auto}
.cta-inner h2{font-size:32px;font-weight:800;color:#fff;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.9);font-size:16px;line-height:1.7;margin-bottom:28px}
.btn-white{
  background:#fff;
  color:var(--primary);
  padding:14px 36px;
  border-radius:50px;
  font-weight:700;
  font-size:15px;
  box-shadow:0 8px 24px rgba(10,29,58,.2);
  transition:all .3s ease;
}
.btn-white:hover{
  transform:translateY(-2px);
  box-shadow:0 12px 30px rgba(10,29,58,.3);
  color:var(--primary);
}

/* ===== Footer ===== */
.main-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.7);
  padding:60px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:44px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.footer-brand .logo{
  color:#fff;
  margin-bottom:16px;
}
.footer-brand p{
  color:rgba(255,255,255,.55);
  line-height:1.75;
  max-width:280px;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  position:relative;
  padding-bottom:10px;
}
.footer-col h4::after{
  content:'';
  position:absolute;
  bottom:0;left:0;
  width:26px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:10px}
.footer-col a{
  color:rgba(255,255,255,.55);
  font-size:14px;
  transition:all .25s ease;
}
.footer-col a:hover{color:var(--accent);padding-left:4px}
.footer-bottom{
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  color:rgba(255,255,255,.35);
  font-size:13px;
}

/* ===== Responsive ===== */
@media (max-width:1024px){
  .feature-grid{grid-template-columns:repeat(2,1fr)}
  .stats-grid{grid-template-columns:repeat(2,1fr)}
  .feat-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .hero h1{font-size:38px}
}

@media (max-width:768px){
  .container{padding:0 18px}
  .section{padding:60px 0}
  .nav-toggle{display:block}
  .main-nav{
    display:none;
    position:absolute;
    top:100%;left:0;right:0;
    background:#fff;
    flex-direction:column;
    padding:16px 24px;
    box-shadow:0 12px 30px rgba(10,29,58,.15);
    border-top:1px solid var(--border);
  }
  .main-nav.open{display:flex}
  .main-nav a{
    width:100%;
    padding:12px 16px;
    border-radius:8px;
  }
  .main-nav a.active::after{display:none}
  .main-nav a.active{background:rgba(201,162,39,.1)}
  .nav-cta{display:none}
  .hero{padding:80px 0 90px}
  .hero h1{font-size:30px}
  .hero-desc{font-size:16px}
  .cat-grid{grid-template-columns:1fr}
  .post-list{grid-template-columns:1fr}
  .feat-grid{grid-template-columns:1fr}
  .process-grid{grid-template-columns:1fr}
  .section-head h2{font-size:26px}
  .cta-inner h2{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
}

@media (max-width:520px){
  .feature-grid{grid-template-columns:1fr}
  .stats-grid{grid-template-columns:1fr 1fr;gap:14px}
  .stat-num{font-size:32px}
  .topbar-inner{justify-content:center;text-align:center}
  .topbar-right{display:none}
  .logo{font-size:16px}
  .hero h1{font-size:26px}
  .hero-btns{flex-direction:column;width:100%}
  .hero-btns .btn{justify-content:center;width:100%}
}

/* roulang page: category1 */
:root {
    --primary: #0a1a2f;
    --primary-2: #122a44;
    --primary-3: #1a3a5c;
    --accent: #c8a861;
    --accent-2: #dfc389;
    --teal: #2a9d8f;
    --bg: #f4f6f9;
    --bg-soft: #eaeef3;
    --text: #182736;
    --text-weak: #5b6c7e;
    --border: #e2e7ed;
    --radius: 16px;
    --radius-sm: 10px;
    --shadow: 0 8px 28px rgba(10, 26, 47, 0.08);
    --shadow-hover: 0 14px 38px rgba(10, 26, 47, 0.14);
    --transition: all .3s ease;
  }
  * {
    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(--bg);
    color: var(--text);
    line-height: 1.7;
    font-size: 15px;
  }
  a {
    color: inherit;
    text-decoration: none;
  }
  img {
    max-width: 100%;
    display: block;
  }
  button {
    font-family: inherit;
    cursor: pointer;
    border: none;
    background: none;
  }
  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }
  /* top bar */
  .top-bar {
    background: var(--primary);
    color: rgba(255, 255, 255, .78);
    font-size: 12px;
    padding: 8px 0;
    border-bottom: 1px solid rgba(255, 255, 255, .06);
  }
  .top-bar .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    flex-wrap: wrap;
  }
  .top-bar i {
    color: var(--accent);
    margin-right: 6px;
  }
  .top-bar .top-right {
    display: flex;
    align-items: center;
    gap: 14px;
  }
  /* header */
  .main-header {
    background: #fff;
    border-bottom: 1px solid var(--border);
    position: sticky;
    top: 0;
    z-index: 100;
    box-shadow: 0 2px 12px rgba(10, 26, 47, .04);
  }
  .header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    height: 76px;
  }
  .logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-weight: 800;
    font-size: 18px;
    color: var(--primary);
    letter-spacing: .5px;
    flex-shrink: 0;
  }
  .logo-icon {
    width: 40px;
    height: 40px;
    border-radius: 12px;
    background: linear-gradient(135deg, var(--primary), var(--primary-3));
    display: flex;
    align-items: center;
    justify-content: center;
    color: var(--accent);
    font-size: 17px;
    box-shadow: 0 4px 14px rgba(10, 26, 47, .2);
  }
  .main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
  }
  .main-nav a {
    padding: 8px 18px;
    border-radius: 999px;
    font-size: 14.5px;
    font-weight: 500;
    color: var(--text-weak);
    transition: var(--transition);
  }
  .main-nav a:hover {
    color: var(--primary);
    background: rgba(10, 26, 47, .05);
  }
  .main-nav a.active {
    color: #fff;
    background: var(--primary);
    box-shadow: 0 4px 14px rgba(10, 26, 47, .18);
  }
  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: linear-gradient(135deg, var(--accent), #b8914e);
    color: #fff;
    font-weight: 600;
    font-size: 14px;
    padding: 10px 22px;
    border-radius: 999px;
    transition: var(--transition);
    box-shadow: 0 4px 16px rgba(200, 168, 97, .35);
    flex-shrink: 0;
  }
  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 8px 24px rgba(200, 168, 97, .45);
  }
  .nav-toggle {
    display: none;
    width: 42px;
    height: 42px;
    border-radius: 10px;
    border: 1px solid var(--border);
    background: #fff;
    color: var(--primary);
    font-size: 17px;
    align-items: center;
    justify-content: center;
  }
  /* page hero */
  .page-hero {
    position: relative;
    background-size: cover;
    background-position: center;
    padding: 110px 0 100px;
    color: #fff;
    overflow: hidden;
  }
  .page-hero::before {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(120deg, rgba(10, 20, 38, .92) 0%, rgba(10, 26, 47, .72) 55%, rgba(10, 26, 47, .45) 100%);
  }
  .page-hero .container {
    position: relative;
    z-index: 2;
  }
  .hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, .14);
    border: 1px solid rgba(255, 255, 255, .22);
    padding: 7px 18px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 600;
    letter-spacing: 1px;
    color: var(--accent-2);
    backdrop-filter: blur(6px);
    margin-bottom: 22px;
  }
  .page-hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.15;
    letter-spacing: 1px;
    margin-bottom: 20px;
    max-width: 720px;
  }
  .page-hero p {
    font-size: 17px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .82);
    max-width: 640px;
    margin-bottom: 34px;
  }
  .hero-actions {
    display: flex;
    gap: 14px;
    flex-wrap: wrap;
  }
  /* buttons */
  .btn {
    display: inline-flex;
    align-items: center;
    gap: 9px;
    padding: 13px 28px;
    border-radius: 999px;
    font-size: 15px;
    font-weight: 600;
    transition: var(--transition);
  }
  .btn-primary {
    background: linear-gradient(135deg, var(--accent), #b8914e);
    color: #fff;
    box-shadow: 0 6px 20px rgba(200, 168, 97, .35);
  }
  .btn-primary:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 30px rgba(200, 168, 97, .5);
  }
  .btn-ghost {
    background: rgba(255, 255, 255, .1);
    border: 1px solid rgba(255, 255, 255, .28);
    color: #fff;
    backdrop-filter: blur(6px);
  }
  .btn-ghost:hover {
    background: rgba(255, 255, 255, .2);
    transform: translateY(-2px);
  }
  .btn-dark {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(10, 26, 47, .16);
  }
  .btn-dark:hover {
    background: var(--primary-3);
    transform: translateY(-2px);
  }
  /* sections */
  .section {
    padding: 84px 0;
  }
  .section-alt {
    background: #fff;
  }
  .section-head {
    text-align: center;
    max-width: 720px;
    margin: 0 auto 52px;
  }
  .section-tag {
    display: inline-block;
    background: rgba(200, 168, 97, .12);
    color: #9a7a3e;
    font-size: 13px;
    font-weight: 700;
    letter-spacing: 2px;
    padding: 6px 18px;
    border-radius: 999px;
    margin-bottom: 14px;
  }
  .section-head h2 {
    font-size: 36px;
    font-weight: 800;
    color: var(--primary);
    letter-spacing: .5px;
    margin-bottom: 14px;
    line-height: 1.25;
  }
  .section-head p {
    font-size: 16px;
    color: var(--text-weak);
    line-height: 1.8;
  }
  /* info strip */
  .info-strip {
    background: var(--primary);
    padding: 34px 0;
    color: #fff;
  }
  .info-strip .container {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
  }
  .info-item {
    display: flex;
    align-items: center;
    gap: 16px;
  }
  .info-icon {
    width: 48px;
    height: 48px;
    border-radius: 14px;
    background: rgba(255, 255, 255, .08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 20px;
    color: var(--accent);
    flex-shrink: 0;
  }
  .info-item .num {
    font-size: 24px;
    font-weight: 800;
    line-height: 1.1;
  }
  .info-item .label {
    font-size: 13px;
    color: rgba(255, 255, 255, .6);
  }
  /* guide cards */
  .guide-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 26px;
  }
  .guide-card {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    overflow: hidden;
    transition: var(--transition);
    box-shadow: var(--shadow);
  }
  .guide-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
    border-color: rgba(200, 168, 97, .4);
  }
  .guide-card .card-img {
    height: 200px;
    background-size: cover;
    background-position: center;
    position: relative;
  }
  .guide-card .card-img::after {
    content: "";
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(10, 20, 38, .4) 100%);
  }
  .guide-card .card-body {
    padding: 24px 22px 22px;
  }
  .guide-card .card-body h3 {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 10px;
    line-height: 1.4;
  }
  .guide-card .card-body p {
    font-size: 14px;
    color: var(--text-weak);
    line-height: 1.75;
    margin-bottom: 18px;
  }
  .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-weak);
    border-top: 1px solid var(--border);
    padding-top: 16px;
    margin-top: 4px;
  }
  .card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 6px;
  }
  .card-meta i {
    color: var(--accent);
  }
  .card-link {
    color: var(--primary);
    font-weight: 600;
    font-size: 14px;
    display: inline-flex;
    align-items: center;
    gap: 4px;
    transition: var(--transition);
  }
  .card-link:hover {
    color: #9a7a3e;
    gap: 8px;
  }
  /* steps */
  .steps-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    counter-reset: step;
  }
  .step-item {
    position: relative;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius);
    padding: 30px 20px 24px;
    text-align: center;
    transition: var(--transition);
  }
  .step-item:hover {
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
  }
  .step-item::before {
    counter-increment: step;
    content: counter(step);
    position: absolute;
    top: -16px;
    left: 50%;
    transform: translateX(-50%);
    width: 34px;
    height: 34px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), #b8914e);
    color: #fff;
    font-weight: 800;
    font-size: 15px;
    display: flex;
    align-items: center;
    justify-content: center;
    box-shadow: 0 4px 12px rgba(200, 168, 97, .4);
  }
  .step-item .step-icon {
    font-size: 30px;
    color: var(--primary);
    margin-bottom: 14px;
  }
  .step-item h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 8px;
  }
  .step-item p {
    font-size: 13.5px;
    color: var(--text-weak);
    line-height: 1.7;
  }
  /* hot list */
  .hot-list {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 22px;
  }
  .hot-item {
    display: flex;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--border);
    border-radius: var(--radius-sm);
    padding: 16px;
    transition: var(--transition);
    align-items: center;
  }
  .hot-item:hover {
    box-shadow: var(--shadow);
    border-color: rgba(200, 168, 97, .35);
  }
  .hot-thumb {
    width: 80px;
    height: 80px;
    border-radius: 10px;
    flex-shrink: 0;
    background-size: cover;
    background-position: center;
  }
  .hot-item .hot-body {
    flex: 1;
  }
  .hot-item .hot-body h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--primary);
    margin-bottom: 6px;
    line-height: 1.4;
  }
  .hot-item .hot-body p {
    font-size: 13.5px;
    color: var(--text-weak);
    line-height: 1.6;
  }
  .hot-tag {
    display: inline-block;
    background: rgba(42, 157, 143, .1);
    color: #21867a;
    font-size: 12px;
    font-weight: 600;
    padding: 3px 10px;
    border-radius: 999px;
    margin-bottom: 6px;
  }
  /* FAQ */
  .faq-wrap {
    max-width: 800px;
    margin: 0 auto;
  }
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 14px;
    margin-bottom: 14px;
    overflow: hidden;
    transition: var(--transition);
  }
  .faq-item summary {
    list-style: none;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 20px 24px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary);
    cursor: pointer;
    transition: var(--transition);
  }
  .faq-item summary::-webkit-details-marker {
    display: none;
  }
  .faq-item summary::after {
    content: "\f078";
    font-family: "Font Awesome 6 Free";
    font-weight: 900;
    font-size: 13px;
    color: var(--accent);
    transition: var(--transition);
  }
  .faq-item[open] summary::after {
    transform: rotate(180deg);
  }
  .faq-item[open] {
    box-shadow: var(--shadow);
  }
  .faq-item .faq-body {
    padding: 0 24px 22px;
    font-size: 14.5px;
    color: var(--text-weak);
    line-height: 1.8;
  }
  /* cta */
  .cta-section {
    background: var(--primary);
    position: relative;
    overflow: hidden;
    padding: 80px 0;
    color: #fff;
  }
  .cta-section::before {
    content: "";
    position: absolute;
    top: -60%;
    right: -20%;
    width: 560px;
    height: 560px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(200, 168, 97, .18) 0%, transparent 70%);
  }
  .cta-section::after {
    content: "";
    position: absolute;
    bottom: -80%;
    left: -10%;
    width: 420px;
    height: 420px;
    border-radius: 50%;
    background: radial-gradient(circle, rgba(42, 157, 143, .14) 0%, transparent 70%);
  }
  .cta-inner {
    position: relative;
    z-index: 2;
    text-align: center;
    max-width: 680px;
    margin: 0 auto;
  }
  .cta-inner h2 {
    font-size: 34px;
    font-weight: 800;
    margin-bottom: 16px;
  }
  .cta-inner p {
    font-size: 16px;
    color: rgba(255, 255, 255, .72);
    margin-bottom: 30px;
    line-height: 1.8;
  }
  .cta-btns {
    display: flex;
    gap: 14px;
    justify-content: center;
    flex-wrap: wrap;
  }
  /* footer */
  .main-footer {
    background: #0b1524;
    color: rgba(255, 255, 255, .7);
    padding: 60px 0 0;
    font-size: 14px;
  }
  .footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1fr;
    gap: 40px;
    padding-bottom: 40px;
  }
  .footer-brand .logo {
    color: #fff;
    margin-bottom: 16px;
  }
  .footer-brand .logo .logo-icon {
    background: linear-gradient(135deg, var(--accent), #b8914e);
    color: #fff;
  }
  .footer-brand p {
    font-size: 13.5px;
    line-height: 1.8;
    color: rgba(255, 255, 255, .52);
    max-width: 280px;
  }
  .footer-col h4 {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
    letter-spacing: .5px;
  }
  .footer-col ul {
    list-style: none;
    display: flex;
    flex-direction: column;
    gap: 10px;
  }
  .footer-col ul li a {
    color: rgba(255, 255, 255, .55);
    transition: var(--transition);
  }
  .footer-col ul li a:hover {
    color: var(--accent-2);
    padding-left: 4px;
  }
  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, .07);
    padding: 22px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    flex-wrap: wrap;
    font-size: 13px;
    color: rgba(255, 255, 255, .38);
  }
  /* responsive */
  @media (max-width: 1024px) {
    .page-hero {
      padding: 90px 0;
    }
    .page-hero h1 {
      font-size: 42px;
    }
    .guide-grid {
      grid-template-columns: repeat(2, 1fr);
    }
    .steps-grid {
      grid-template-columns: repeat(3, 1fr);
      gap: 24px;
    }
    .footer-grid {
      grid-template-columns: 1fr 1fr;
      gap: 30px;
    }
    .info-strip .container {
      grid-template-columns: repeat(2, 1fr);
    }
  }
  @media (max-width: 768px) {
    .header-inner {
      height: 66px;
    }
    .nav-toggle {
      display: flex;
    }
    .nav-cta {
      display: none;
    }
    .main-nav {
      position: absolute;
      top: 66px;
      left: 0;
      right: 0;
      background: #fff;
      flex-direction: column;
      align-items: stretch;
      padding: 14px 20px;
      gap: 4px;
      border-bottom: 1px solid var(--border);
      box-shadow: 0 12px 28px rgba(10, 26, 47, .1);
      display: none;
      z-index: 99;
    }
    .main-nav.open {
      display: flex;
    }
    .main-nav a {
      padding: 12px 16px;
      border-radius: 10px;
    }
    .top-bar .top-right {
      display: none;
    }
    .page-hero h1 {
      font-size: 34px;
    }
    .section {
      padding: 60px 0;
    }
    .section-head h2 {
      font-size: 28px;
    }
    .guide-grid {
      grid-template-columns: 1fr;
    }
    .steps-grid {
      grid-template-columns: 1fr;
      gap: 32px;
      padding-top: 18px;
    }
    .hot-list {
      grid-template-columns: 1fr;
    }
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 26px;
    }
    .info-strip .container {
      grid-template-columns: 1fr;
      gap: 18px;
    }
  }
  @media (max-width: 520px) {
    .container {
      padding: 0 16px;
    }
    .page-hero h1 {
      font-size: 28px;
    }
    .page-hero {
      padding: 70px 0;
    }
    .hero-actions .btn {
      width: 100%;
      justify-content: center;
    }
    .logo {
      font-size: 15px;
    }
    .logo-icon {
      width: 34px;
      height: 34px;
      font-size: 14px;
    }
    .section-head h2 {
      font-size: 24px;
    }
    .cta-inner h2 {
      font-size: 26px;
    }
  }

/* roulang page: category2 */
:root {
            --primary: #0f766e;
            --primary-dark: #115e59;
            --primary-deep: #134e4a;
            --accent: #d4a853;
            --accent-dark: #b8943f;
            --bg-soft: #f0f7f7;
            --bg-white: #ffffff;
            --text-main: #1a2e35;
            --text-weak: #5c737b;
            --text-mute: #8aa3ab;
            --border-subtle: #e2ecef;
            --radius-card: 16px;
            --shadow-card: 0 8px 30px rgba(15, 118, 110, 0.08);
            --shadow-lift: 0 16px 40px rgba(15, 118, 110, 0.14);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', sans-serif;
            background: var(--bg-white);
            color: var(--text-main);
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .25s ease, box-shadow .25s ease, opacity .25s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input {
            font-family: inherit;
        }

        .container {
            width: 100%;
            max-width: 1240px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* ===== 导航 ===== */
        .main-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--border-subtle);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 76px;
            gap: 20px;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-deep);
            letter-spacing: .5px;
            white-space: nowrap;
        }
        .logo-icon {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--primary), var(--primary-deep));
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 16px;
            box-shadow: 0 4px 14px rgba(15, 118, 110, .3);
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: 20px;
        }
        .main-nav a {
            padding: 10px 18px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 15px;
            color: var(--text-weak);
            transition: all .25s ease;
        }
        .main-nav a:hover {
            color: var(--primary);
            background: rgba(15, 118, 110, .08);
        }
        .main-nav a.active {
            color: #fff;
            background: var(--primary);
            box-shadow: 0 6px 16px rgba(15, 118, 110, .3);
        }
        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: 40px;
            background: linear-gradient(120deg, #d4a853, #b8943f);
            color: #fff;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 6px 18px rgba(212, 168, 83, .35);
            transition: all .25s ease;
            white-space: nowrap;
        }
        .nav-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 26px rgba(212, 168, 83, .45);
        }
        .nav-toggle {
            display: none;
            width: 42px;
            height: 42px;
            border-radius: 10px;
            background: var(--bg-soft);
            color: var(--primary);
            font-size: 18px;
            align-items: center;
            justify-content: center;
            transition: background .2s ease;
        }
        .nav-toggle:hover {
            background: rgba(15, 118, 110, .12);
        }

        /* ===== Hero ===== */
        .page-hero {
            position: relative;
            background-size: cover;
            background-position: center;
            padding: 96px 0 88px;
            color: #fff;
            overflow: hidden;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(11, 29, 38, .85) 0%, rgba(15, 118, 110, .75) 60%, rgba(11, 29, 38, .6) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 780px;
        }
        .breadcrumb {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .18);
            padding: 6px 16px;
            border-radius: 40px;
            font-size: 13px;
            letter-spacing: .5px;
            margin-bottom: 24px;
            backdrop-filter: blur(8px);
        }
        .breadcrumb i {
            font-size: 12px;
            opacity: .7;
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 900;
            line-height: 1.3;
            margin-bottom: 16px;
            letter-spacing: 1px;
            text-shadow: 0 4px 20px rgba(0, 0, 0, .3);
        }
        .page-hero p {
            font-size: 17px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .88);
            margin-bottom: 32px;
            max-width: 640px;
        }
        .hero-btns {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: linear-gradient(120deg, #0f766e, #14b8a6);
            color: #fff;
            padding: 14px 30px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 800;
            box-shadow: 0 10px 28px rgba(15, 118, 110, .4);
            transition: all .3s ease;
        }
        .btn-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 16px 38px rgba(15, 118, 110, .5);
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            border: 2px solid rgba(255, 255, 255, .5);
            color: #fff;
            padding: 13px 28px;
            border-radius: 50px;
            font-size: 15px;
            font-weight: 700;
            transition: all .3s ease;
            background: rgba(255, 255, 255, .06);
        }
        .btn-outline:hover {
            border-color: #fff;
            background: rgba(255, 255, 255, .16);
        }

        /* ===== 数据概览 ===== */
        .data-strip {
            background: var(--bg-white);
            border-bottom: 1px solid var(--border-subtle);
            padding: 36px 0;
        }
        .data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .data-card {
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 28px 24px;
            text-align: center;
            transition: all .3s ease;
        }
        .data-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-card);
            border-color: rgba(15, 118, 110, .2);
        }
        .data-card .num {
            font-size: 40px;
            font-weight: 900;
            color: var(--primary);
            line-height: 1.2;
            font-family: 'Courier New', monospace;
            letter-spacing: 1px;
        }
        .data-card .label {
            font-size: 14px;
            color: var(--text-weak);
            margin-top: 6px;
            font-weight: 600;
        }

        /* ===== 分类标签 ===== */
        .category-tabs {
            padding: 64px 0 12px;
            background: var(--bg-white);
        }
        .section-head {
            margin-bottom: 40px;
        }
        .section-head .tagline {
            display: inline-block;
            background: rgba(15, 118, 110, .08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 700;
            padding: 5px 14px;
            border-radius: 40px;
            letter-spacing: .5px;
            margin-bottom: 12px;
        }
        .section-head h2 {
            font-size: 32px;
            font-weight: 900;
            color: var(--primary-deep);
            line-height: 1.3;
            margin-bottom: 12px;
        }
        .section-head p {
            color: var(--text-weak);
            font-size: 16px;
            max-width: 560px;
        }
        .tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .tag-item {
            padding: 9px 20px;
            border-radius: 40px;
            border: 1px solid var(--border-subtle);
            background: var(--bg-white);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            transition: all .25s ease;
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .tag-item i {
            font-size: 13px;
            color: var(--accent);
        }
        .tag-item:hover {
            color: var(--primary);
            border-color: var(--primary);
            background: rgba(15, 118, 110, .04);
            transform: translateY(-2px);
        }
        .tag-item.active {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 6px 16px rgba(15, 118, 110, .25);
        }

        /* ===== 最新资讯 ===== */
        .latest-section {
            padding: 48px 0 64px;
            background: var(--bg-white);
        }
        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .news-card {
            background: var(--bg-white);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all .35s ease;
            position: relative;
        }
        .news-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lift);
            border-color: rgba(15, 118, 110, .18);
        }
        .news-card .thumb {
            aspect-ratio: 16/9;
            overflow: hidden;
            position: relative;
        }
        .news-card .thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .6s ease;
        }
        .news-card:hover .thumb img {
            transform: scale(1.06);
        }
        .news-card .badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(11, 29, 38, .75);
            backdrop-filter: blur(8px);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: .5px;
        }
        .news-card .body {
            padding: 22px 22px 20px;
        }
        .news-card .title {
            font-size: 17px;
            font-weight: 800;
            line-height: 1.55;
            color: var(--text-main);
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color .25s ease;
        }
        .news-card .title:hover {
            color: var(--primary);
        }
        .news-card .summary {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .news-card .meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--text-mute);
            border-top: 1px solid var(--border-subtle);
            padding-top: 14px;
        }
        .news-card .meta i {
            margin-right: 4px;
            font-size: 12px;
        }

        /* ===== 排行榜和话题 ===== */
        .rank-section {
            padding: 64px 0;
            background: var(--bg-soft);
        }
        .rank-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
        .rank-panel {
            background: var(--bg-white);
            border-radius: var(--radius-card);
            border: 1px solid var(--border-subtle);
            padding: 32px;
            box-shadow: var(--shadow-card);
        }
        .rank-panel h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--primary-deep);
            margin-bottom: 24px;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rank-panel h3 i {
            color: var(--accent);
        }
        .rank-list {
            list-style: none;
        }
        .rank-list li {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 13px 10px;
            border-radius: 12px;
            transition: background .2s ease;
            border-bottom: 1px dashed var(--border-subtle);
            cursor: pointer;
        }
        .rank-list li:last-child {
            border-bottom: none;
        }
        .rank-list li:hover {
            background: rgba(15, 118, 110, .04);
        }
        .rank-num {
            font-size: 18px;
            font-weight: 900;
            color: var(--accent);
            font-family: 'Courier New', monospace;
            width: 34px;
            text-align: center;
        }
        .rank-list li:first-child .rank-num {
            color: #d97706;
        }
        .rank-list li:nth-child(2) .rank-num {
            color: #64748b;
        }
        .rank-list li:nth-child(3) .rank-num {
            color: #b45309;
        }
        .rank-title {
            flex: 1;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-main);
        }
        .rank-heat {
            font-size: 13px;
            color: var(--text-mute);
            white-space: nowrap;
        }

        .topic-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-top: 20px;
        }
        .topic-tag {
            padding: 8px 16px;
            border-radius: 30px;
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            font-size: 14px;
            font-weight: 600;
            color: var(--text-weak);
            transition: all .2s ease;
        }
        .topic-tag:hover {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            transform: translateY(-2px);
        }

        /* ===== 专题区 ===== */
        .feature-section {
            padding: 72px 0;
            background: var(--bg-white);
        }
        .feature-card {
            background: linear-gradient(135deg, var(--primary-deep), #0b2e33);
            border-radius: 24px;
            overflow: hidden;
            position: relative;
            display: grid;
            grid-template-columns: 1.1fr 1fr;
            color: #fff;
            box-shadow: var(--shadow-lift);
        }
        .feature-img {
            position: relative;
            min-height: 360px;
        }
        .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .feature-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 29, 38, .25), rgba(11, 29, 38, .85));
        }
        .feature-body {
            padding: 48px 44px;
            position: relative;
            z-index: 2;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .feature-body .tagline {
            display: inline-block;
            background: rgba(212, 168, 83, .2);
            color: #f1d9a7;
            font-size: 12px;
            font-weight: 800;
            padding: 4px 12px;
            border-radius: 30px;
            letter-spacing: .5px;
            margin-bottom: 16px;
            width: fit-content;
        }
        .feature-body h3 {
            font-size: 26px;
            font-weight: 900;
            line-height: 1.4;
            margin-bottom: 16px;
        }
        .feature-body p {
            font-size: 15px;
            line-height: 1.8;
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
        }
        .feature-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: #f1d9a7;
            font-weight: 700;
            font-size: 14px;
            transition: gap .25s ease;
        }
        .feature-link:hover {
            gap: 14px;
            color: #fff;
        }

        /* ===== CTA订阅 ===== */
        .cta-section {
            padding: 72px 0;
            background: var(--bg-soft);
            position: relative;
            overflow: hidden;
        }
        .cta-box {
            background: linear-gradient(135deg, var(--primary-deep), #0b2e33);
            border-radius: 24px;
            padding: 56px 48px;
            text-align: center;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .cta-box::before {
            content: '';
            position: absolute;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(212, 168, 83, .25), transparent 70%);
            top: -150px;
            right: -100px;
            border-radius: 50%;
        }
        .cta-box h2 {
            font-size: 30px;
            font-weight: 900;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }
        .cta-box p {
            font-size: 15px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 28px;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            position: relative;
            z-index: 1;
        }
        .subscribe-form {
            display: flex;
            gap: 10px;
            max-width: 480px;
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }
        .subscribe-form input {
            flex: 1;
            padding: 14px 20px;
            border-radius: 50px;
            border: none;
            outline: none;
            font-size: 15px;
            background: rgba(255, 255, 255, .12);
            color: #fff;
            backdrop-filter: blur(6px);
            transition: background .25s ease;
        }
        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, .55);
        }
        .subscribe-form input:focus {
            background: rgba(255, 255, 255, .2);
            box-shadow: 0 0 0 3px rgba(212, 168, 83, .3);
        }
        .subscribe-btn {
            padding: 14px 30px;
            border-radius: 50px;
            background: linear-gradient(120deg, #d4a853, #b8943f);
            color: #fff;
            font-weight: 800;
            font-size: 15px;
            box-shadow: 0 8px 22px rgba(212, 168, 83, .35);
            transition: all .3s ease;
            white-space: nowrap;
        }
        .subscribe-btn:hover {
            transform: translateY(-2px);
            box-shadow: 0 12px 30px rgba(212, 168, 83, .45);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 72px 0;
            background: var(--bg-white);
        }
        .faq-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
            max-width: 960px;
            margin: 0 auto;
        }
        .faq-item {
            background: var(--bg-soft);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-card);
            padding: 26px 28px;
            transition: all .3s ease;
        }
        .faq-item:hover {
            border-color: rgba(15, 118, 110, .25);
            box-shadow: var(--shadow-card);
            transform: translateY(-2px);
        }
        .faq-item h4 {
            font-size: 16px;
            font-weight: 800;
            color: var(--primary-deep);
            margin-bottom: 10px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }
        .faq-item h4 i {
            color: var(--accent);
            font-size: 14px;
            margin-top: 4px;
        }
        .faq-item p {
            font-size: 14px;
            color: var(--text-weak);
            line-height: 1.75;
        }

        /* ===== 页脚 ===== */
        .main-footer {
            background: #0b1d26;
            color: rgba(255, 255, 255, .65);
            padding: 64px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand .logo {
            color: #fff;
            margin-bottom: 14px;
        }
        .footer-brand .logo .logo-icon {
            background: linear-gradient(135deg, #d4a853, #b8943f);
            color: #fff;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-top: 14px;
            max-width: 360px;
        }
        .footer-col h4 {
            color: #fff;
            font-size: 16px;
            font-weight: 800;
            margin-bottom: 18px;
            letter-spacing: .5px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: rgba(255, 255, 255, .55);
            transition: all .2s ease;
        }
        .footer-col ul a:hover {
            color: #f1d9a7;
            padding-left: 4px;
        }
        .footer-col ul span {
            font-size: 14px;
            color: rgba(255, 255, 255, .45);
            display: inline-flex;
            align-items: center;
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 24px 0;
            font-size: 13px;
            color: rgba(255, 255, 255, .35);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .rank-grid {
                grid-template-columns: 1fr;
            }
            .feature-card {
                grid-template-columns: 1fr;
            }
            .feature-img {
                min-height: 280px;
            }
            .feature-img::after {
                background: linear-gradient(0deg, rgba(11, 29, 38, .6), transparent);
            }
        }
        @media (max-width: 900px) {
            .main-nav {
                display: none;
                position: absolute;
                top: 76px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: flex-start;
                padding: 20px 24px;
                gap: 6px;
                box-shadow: 0 12px 30px rgba(0, 0, 0, .1);
                border-radius: 0 0 16px 16px;
                border-bottom: 3px solid var(--primary);
            }
            .main-nav.open {
                display: flex;
            }
            .main-nav a {
                width: 100%;
                border-radius: 10px;
                font-size: 16px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-cta {
                padding: 8px 14px;
                font-size: 13px;
                margin-left: auto;
            }
            .data-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .page-hero {
                padding: 70px 0;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .cta-box {
                padding: 40px 24px;
            }
            .subscribe-form {
                flex-direction: column;
            }
            .subscribe-btn {
                width: 100%;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 18px;
            }
            .header-inner {
                height: 66px;
            }
            .logo {
                font-size: 16px;
            }
            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 13px;
                border-radius: 10px;
            }
            .nav-toggle {
                width: 38px;
                height: 38px;
            }
            .main-nav {
                top: 66px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero p {
                font-size: 15px;
            }
            .news-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .data-card .num {
                font-size: 30px;
            }
            .feature-body {
                padding: 32px 24px;
            }
            .feature-body h3 {
                font-size: 20px;
            }
            .cta-box h2 {
                font-size: 22px;
            }
            .faq-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                gap: 8px;
                text-align: center;
            }
        }
        @media (max-width: 520px) {
            .logo span:last-child {
                max-width: 150px;
                overflow: hidden;
                text-overflow: ellipsis;
                white-space: nowrap;
            }
            .nav-cta i {
                display: none;
            }
            .data-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .data-card {
                padding: 20px;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .btn-primary,
            .btn-outline {
                justify-content: center;
                width: 100%;
            }
            .tag-list {
                gap: 8px;
            }
            .tag-item {
                padding: 7px 14px;
                font-size: 13px;
            }
            .rank-panel {
                padding: 20px;
            }
            .rank-list li {
                padding: 10px 6px;
            }
        }

/* roulang page: article */
:root {
  --primary: #0f766e;
  --primary-dark: #115e59;
  --primary-light: #ccfbf1;
  --accent: #f59e0b;
  --accent-light: #fef3c7;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --radius-sm: 10px;
  --shadow: 0 4px 24px rgba(15, 23, 42, .06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, .10);
  --section-space: 80px;
  --header-h: 76px;
}
* { margin: 0; padding: 0; box-sizing: border-box; }
html { scroll-behavior: smooth; }
body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
  background: var(--bg);
  color: var(--text);
  line-height: 1.6;
  font-size: 16px;
}
img { max-width: 100%; height: auto; display: block; }
a { text-decoration: none; color: inherit; transition: color .25s ease; }
ul, ol { list-style: none; }
button, input { font-family: inherit; }
a:focus-visible, button:focus-visible { outline: 3px solid rgba(20,184,166,.5); outline-offset: 2px; border-radius: 6px; }
.container { width: 100%; max-width: 1200px; margin: 0 auto; padding: 0 24px; }

/* Header */
.main-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255,255,255,.92);
  backdrop-filter: blur(12px);
  -webkit-backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--border);
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: var(--header-h); }
.logo { display: inline-flex; align-items: center; gap: 10px; font-size: 20px; font-weight: 800; color: var(--primary-dark); }
.logo:hover { color: var(--primary); }
.logo-icon {
  width: 40px; height: 40px;
  border-radius: 12px;
  background: linear-gradient(135deg, #0d9488, #134e4a);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  color: #fff;
  font-size: 17px;
  box-shadow: 0 6px 16px rgba(15,118,110,.28);
  flex-shrink: 0;
}
.main-nav { display: flex; align-items: center; gap: 34px; }
.main-nav a { position: relative; font-size: 15px; font-weight: 600; color: var(--text-muted); padding: 6px 2px; }
.main-nav a:hover { color: var(--primary); }
.main-nav a.active { color: var(--primary); }
.main-nav a::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: -2px;
  width: 0;
  height: 2px;
  background: linear-gradient(90deg, var(--primary), #14b8a6);
  border-radius: 2px;
  transition: width .3s ease;
}
.main-nav a:hover::after, .main-nav a.active::after { width: 100%; }
.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #fff !important;
  font-size: 14px;
  font-weight: 700;
  padding: 10px 20px;
  border-radius: 999px;
  box-shadow: 0 6px 18px rgba(15,118,110,.28);
  transition: all .3s ease;
}
.nav-cta:hover {
  transform: translateY(-2px);
  box-shadow: 0 10px 24px rgba(15,118,110,.36);
  background: linear-gradient(135deg, #115e59, #0d9488);
}
.nav-toggle { display: none; background: none; border: none; font-size: 22px; color: var(--text); cursor: pointer; padding: 6px 8px; }

/* Page Banner */
.page-banner {
  background: linear-gradient(115deg, rgba(15,23,42,.82), rgba(15,23,42,.62)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  color: #fff;
  padding: 76px 0 66px;
  position: relative;
}
.page-banner::after {
  content: '';
  position: absolute;
  left: 0;
  right: 0;
  bottom: 0;
  height: 3px;
  background: linear-gradient(90deg, #0f766e, #14b8a6, #f59e0b);
}
.breadcrumb {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 14px;
  color: rgba(255,255,255,.7);
  margin-bottom: 24px;
}
.breadcrumb a { color: rgba(255,255,255,.85); }
.breadcrumb a:hover { color: #fff; }
.breadcrumb i { font-size: 10px; color: rgba(255,255,255,.55); }
.banner-tag {
  display: inline-block;
  background: rgba(255,255,255,.14);
  border: 1px solid rgba(255,255,255,.22);
  padding: 6px 16px;
  border-radius: 999px;
  font-size: 13px;
  font-weight: 600;
  letter-spacing: .5px;
}
.page-banner h2 { font-size: 38px; font-weight: 800; margin: 18px 0 12px; line-height: 1.3; }
.page-banner .banner-desc { font-size: 16px; color: rgba(255,255,255,.78); max-width: 640px; }

/* Article Layout */
.article-wrap { padding: 60px 0 70px; }
.article-layout { display: grid; grid-template-columns: minmax(0, 1fr) 340px; gap: 32px; align-items: start; }
.article-main {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 40px 42px;
}
.article-title { font-size: 31px; font-weight: 800; line-height: 1.36; color: var(--text); margin-bottom: 14px; }
.article-meta {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 14px 20px;
  padding-bottom: 22px;
  border-bottom: 1px solid var(--border);
  margin-bottom: 24px;
  color: var(--text-muted);
  font-size: 14px;
}
.article-meta i { margin-right: 5px; color: var(--primary); }
.badge {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 700;
  padding: 5px 14px;
  border-radius: 999px;
}
.featured-image { border-radius: 14px; overflow: hidden; box-shadow: var(--shadow); margin-bottom: 28px; }
.featured-image img { width: 100%; height: 340px; object-fit: cover; }
.article-content { font-size: 16px; line-height: 1.9; color: rgba(15,23,42,.85); }
.article-content p { margin-bottom: 18px; }
.article-content h2, .article-content h3, .article-content h4 { color: var(--text); margin: 28px 0 14px; line-height: 1.4; }
.article-content h2 { font-size: 24px; }
.article-content h3 { font-size: 20px; }
.article-content ul, .article-content ol { margin: 0 0 18px 22px; }
.article-content ul { list-style: disc; }
.article-content ol { list-style: decimal; }
.article-content li { margin-bottom: 8px; }
.article-content img { border-radius: 12px; margin: 18px 0; box-shadow: var(--shadow); }
.article-content blockquote {
  background: var(--bg);
  border-left: 4px solid var(--primary);
  border-radius: 0 12px 12px 0;
  padding: 16px 22px;
  margin: 22px 0;
  color: var(--text-muted);
}
.article-content a { color: var(--primary); text-decoration: underline; text-underline-offset: 3px; }
.article-content a:hover { color: var(--primary-dark); }
.article-tags {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  gap: 10px;
  padding-top: 22px;
  margin-top: 28px;
  border-top: 1px solid var(--border);
}
.article-tags span { font-weight: 700; font-size: 14px; color: var(--text-muted); margin-right: 4px; }
.article-tags a {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary-dark);
  background: var(--primary-light);
  border-radius: 999px;
  padding: 5px 14px;
  transition: all .3s ease;
}
.article-tags a:hover { background: var(--primary); color: #fff; transform: translateY(-1px); }

.not-found { text-align: center; padding: 48px 20px; }
.not-found i { font-size: 52px; color: #94a3b8; margin-bottom: 18px; display: block; }
.not-found h2 { font-size: 28px; font-weight: 800; margin-bottom: 12px; }
.not-found p { color: var(--text-muted); margin-bottom: 28px; }

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 28px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 15px;
  border: none;
  cursor: pointer;
  transition: all .3s ease;
}
.btn-primary {
  background: linear-gradient(135deg, #0f766e, #14b8a6);
  color: #fff;
  box-shadow: 0 8px 20px rgba(15,118,110,.26);
}
.btn-primary:hover {
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(15,118,110,.34);
}
.btn-outline {
  background: transparent;
  border: 1.5px solid rgba(255,255,255,.55);
  color: #fff;
}
.btn-outline:hover { border-color: #fff; background: rgba(255,255,255,.1); transform: translateY(-2px); }

/* Sidebar */
.sidebar-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  padding: 26px;
  margin-bottom: 26px;
}
.sidebar-card h3 {
  font-size: 18px;
  font-weight: 800;
  color: var(--text);
  margin-bottom: 18px;
  padding-left: 14px;
  position: relative;
}
.sidebar-card h3::before {
  content: '';
  position: absolute;
  left: 0;
  top: 4px;
  width: 4px;
  height: 18px;
  border-radius: 2px;
  background: linear-gradient(180deg, var(--primary), #14b8a6);
}
.sidebar-list li { padding: 10px 0; border-bottom: 1px dashed var(--border); }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: flex; align-items: center; gap: 9px; font-size: 15px; color: var(--text); font-weight: 500; }
.sidebar-list a::before { content: '\f0da'; font-family: "Font Awesome 5 Free"; font-weight: 900; font-size: 11px; color: var(--primary); }
.sidebar-list a:hover { color: var(--primary); transform: translateX(2px); }
.sidebar-links { display: flex; flex-direction: column; gap: 12px; }
.sidebar-links a {
  display: flex;
  align-items: center;
  gap: 12px;
  padding: 12px 16px;
  border: 1px solid var(--border);
  border-radius: 12px;
  background: var(--bg);
  color: var(--text);
  font-weight: 650;
  font-size: 15px;
  transition: all .3s ease;
}
.sidebar-links a i {
  width: 32px;
  height: 32px;
  border-radius: 9px;
  background: var(--primary-light);
  color: var(--primary-dark);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}
.sidebar-links a:hover {
  border-color: var(--primary);
  background: var(--primary-light);
  transform: translateY(-2px);
  box-shadow: var(--shadow);
}
.sidebar-tags { display: flex; flex-wrap: wrap; gap: 9px; }
.sidebar-tags span, .sidebar-tags a {
  background: var(--bg);
  border: 1px solid var(--border);
  color: var(--text-muted);
  font-size: 13px;
  font-weight: 500;
  padding: 5px 12px;
  border-radius: 999px;
  transition: all .3s ease;
}
.sidebar-tags a:hover { background: var(--primary); border-color: var(--primary); color: #fff; }
.sidebar-promo { position: relative; border-radius: var(--radius); overflow: hidden; padding: 22px; color: #fff; }
.sidebar-promo img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; }
.sidebar-promo .promo-body {
  position: relative;
  z-index: 1;
  background: rgba(15,23,42,.62);
  border-radius: 12px;
  padding: 18px;
}
.sidebar-promo h4 { font-size: 17px; font-weight: 800; margin-bottom: 8px; }
.sidebar-promo p { font-size: 13px; color: rgba(255,255,255,.85); line-height: 1.6; margin-bottom: 14px; }
.sidebar-promo a {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: rgba(255,255,255,.16);
  border: 1px solid rgba(255,255,255,.24);
  padding: 7px 18px;
  border-radius: 999px;
  transition: all .3s;
}
.sidebar-promo a:hover { background: #fff; color: var(--text); }

/* Related */
.related-section { background: var(--bg); padding: 70px 0 60px; border-top: 1px solid var(--border); }
.section-head { text-align: center; max-width: 640px; margin: 0 auto 42px; }
.section-head .eyebrow {
  display: inline-block;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 2px;
  color: var(--primary);
  margin-bottom: 10px;
}
.section-head h2 { font-size: 32px; font-weight: 800; color: var(--text); margin-bottom: 12px; line-height: 1.3; }
.section-head p { color: var(--text-muted); font-size: 16px; line-height: 1.7; }
.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
.related-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  box-shadow: var(--shadow);
  overflow: hidden;
  transition: all .35s ease;
}
.related-card:hover {
  transform: translateY(-5px);
  box-shadow: var(--shadow-lg);
  border-color: rgba(15,118,110,.25);
}
.related-cover { height: 180px; overflow: hidden; position: relative; }
.related-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .45s ease; }
.related-card:hover .related-cover img { transform: scale(1.06); }
.cover-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  background: rgba(15,23,42,.7);
  color: #fff;
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 999px;
  backdrop-filter: blur(6px);
}
.related-body { padding: 22px 22px 20px; }
.related-body h3 { font-size: 17px; font-weight: 800; line-height: 1.55; margin-bottom: 10px; }
.related-body h3 a { color: var(--text); }
.related-body h3 a:hover { color: var(--primary); }
.related-body p { font-size: 14px; line-height: 1.7; color: var(--text-muted); }
.related-meta {
  display: flex;
  align-items: center;
  gap: 16px;
  margin-top: 16px;
  padding-top: 14px;
  border-top: 1px solid var(--border);
  font-size: 13px;
  color: var(--text-muted);
}
.related-meta i { margin-right: 4px; color: var(--primary); }
.related-empty {
  grid-column: 1 / -1;
  text-align: center;
  padding: 40px;
  color: var(--text-muted);
  background: var(--surface);
  border-radius: var(--radius);
  border: 1px dashed var(--border);
}

/* CTA */
.cta-section {
  background: linear-gradient(120deg, rgba(15,23,42,.9), rgba(15,118,110,.78)), url('/assets/images/backpic/back-3.png') center/cover;
  color: #fff;
  padding: 68px 0;
  text-align: center;
  position: relative;
}
.cta-inner { max-width: 680px; margin: 0 auto; }
.cta-inner h2 { font-size: 32px; font-weight: 800; margin-bottom: 14px; }
.cta-inner p { font-size: 16px; color: rgba(255,255,255,.82); margin-bottom: 28px; }
.cta-buttons { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

/* FAQ */
.faq-section { padding: 70px 0; background: var(--surface); }
.faq-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 22px; }
.faq-item {
  background: var(--bg);
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 24px 26px;
  transition: all .3s ease;
}
.faq-item:hover { background: #fff; box-shadow: var(--shadow); border-color: rgba(15,118,110,.2); }
.faq-item h3 { display: flex; gap: 10px; align-items: flex-start; font-size: 17px; font-weight: 800; color: var(--text); margin-bottom: 8px; }
.faq-item h3 i { color: var(--primary); font-size: 15px; margin-top: 5px; }
.faq-item p { color: var(--text-muted); font-size: 15px; line-height: 1.75; }

/* Footer */
.main-footer { background: #0b1120; color: rgba(255,255,255,.62); padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1fr; gap: 44px; padding-bottom: 40px; }
.footer-brand .logo { color: #fff; }
.footer-brand p { margin-top: 16px; font-size: 15px; line-height: 1.8; color: rgba(255,255,255,.55); }
.footer-col h4 { color: #fff; font-size: 17px; font-weight: 700; margin-bottom: 18px; }
.footer-col ul li { margin-bottom: 11px; }
.footer-col a { color: rgba(255,255,255,.58); font-size: 14px; transition: .25s; }
.footer-col a:hover { color: #fff; }
.footer-bottom {
  display: flex;
  align-items: center;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255,255,255,.08);
  font-size: 14px;
  color: rgba(255,255,255,.4);
}

/* Responsive */
@media (max-width: 1024px) {
  .article-layout { grid-template-columns: 1fr; }
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  :root { --section-space: 56px; }
  .main-nav {
    position: fixed;
    top: var(--header-h);
    right: 0;
    z-index: 99;
    width: min(330px, 86%);
    height: calc(100vh - var(--header-h));
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    padding: 26px 30px;
    gap: 20px;
    box-shadow: -14px 0 40px rgba(15,23,42,.12);
    transform: translateX(100%);
    transition: transform .3s ease;
    border-left: 1px solid var(--border);
  }
  .main-nav.open { transform: translateX(0); }
  .nav-toggle { display: block; }
  .nav-cta { display: none; }
  .page-banner { padding: 54px 0 46px; }
  .page-banner h2 { font-size: 30px; }
  .article-main { padding: 26px 22px; }
  .article-title { font-size: 26px; }
  .related-grid { grid-template-columns: 1fr; }
  .faq-grid { grid-template-columns: 1fr; }
  .cta-section { padding: 56px 0; }
}
@media (max-width: 520px) {
  .container { padding: 0 16px; }
  .logo { font-size: 17px; }
  .logo-icon { width: 36px; height: 36px; font-size: 15px; }
  .page-banner h2 { font-size: 25px; }
  .article-wrap { padding: 24px 0 50px; }
  .article-title { font-size: 23px; }
  .featured-image img { height: 220px; }
  .related-cover { height: 200px; }
  .footer-grid { grid-template-columns: 1fr; gap: 26px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .section-head h2 { font-size: 26px; }
  .cta-inner h2 { font-size: 26px; }
  .cta-buttons { flex-direction: column; align-items: stretch; }
}