/* roulang page: index */
:root{
  --ink:#0F4C46;
  --teal:#17A398;
  --coral:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --deep:#0B3B36;
  --text:#14201E;
  --muted:#5B6B68;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --shadow:0 8px 28px rgba(15,76,70,.08);
  --shadow-hover:0 16px 40px rgba(15,76,70,.16);
  --sp-section:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
a:hover{color:var(--ink);}
button{font-family:inherit;cursor:pointer;}
input,button,textarea{font-size:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:var(--sp-section) 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:48px;}
.section-head .head-text{max-width:660px;}
h2{
  font-size:30px;
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
  position:relative;
  padding-top:18px;
}
h2::before{
  content:"";
  position:absolute;
  left:0;top:0;
  width:40px;height:6px;
  border-radius:3px;
  background:var(--grad);
}
h3{font-size:21px;line-height:1.5;font-weight:600;}
.section-sub{color:var(--muted);font-size:15px;margin-top:14px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--ink);
  background:#fff;border:1px solid var(--line);
  padding:6px 14px;border-radius:var(--r-pill);font-weight:600;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:50%;background:var(--teal);}
.link-more{font-size:15px;font-weight:600;color:var(--ink);display:inline-flex;align-items:center;gap:6px;white-space:nowrap;}
.link-more span{transition:transform .2s ease;}
.link-more:hover span{transform:translateX(4px);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-pill);
  padding:13px 26px;
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(15,76,70,.18);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,76,70,.24);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(15,76,70,.18);}
.btn-ghost{background:#fff;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:#EFEAE0;transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:#F1EDE4;transform:translateY(-2px);color:var(--ink);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.65);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-text{font-size:15px;font-weight:600;color:var(--text);padding:8px 4px;border-bottom:2px solid transparent;transition:color .2s,border-color .2s;}
.btn-text:hover{color:var(--ink);border-bottom-color:var(--teal);}

/* 徽章 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;line-height:1.6;
}
.badge-coral{background:rgba(242,101,63,.12);color:#C4441F;}
.badge-teal{background:rgba(23,163,152,.12);color:#0F7A72;}
.badge-plain{background:#F1EDE4;color:var(--muted);}
.badge-lock{background:#EFECE5;color:#7C8A87;}

/* 顶部信息条 */
.topbar{
  background:var(--deep);
  color:rgba(255,255,255,.82);
  font-size:13px;
  height:32px;
  display:flex;align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar .topbar-right{display:flex;align-items:center;gap:18px;}
.topbar a{color:#fff;border-bottom:1px solid rgba(255,255,255,.35);}
.topbar a:hover{color:#fff;border-bottom-color:#fff;}

/* 导航 */
.site-header{position:sticky;top:0;z-index:80;background:rgba(246,243,236,.96);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--text);}
.logo .logo-dot{width:10px;height:22px;border-radius:6px;background:var(--grad);display:inline-block;flex:none;}
.logo:hover{color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  font-size:16px;color:var(--text);position:relative;padding:6px 2px;border-radius:var(--r-pill);
  transition:color .2s,background .2s;
}
.main-nav a:hover{color:var(--ink);background:rgba(23,163,152,.08);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.main-nav a.active::after{
  content:"";position:absolute;left:2px;right:2px;bottom:-8px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  align-items:center;justify-content:center;flex-direction:column;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s;}
.nav-mask{display:none;}

/* Hero */
.hero{padding:72px 0 88px;position:relative;overflow:hidden;}
.hero-grid{display:grid;grid-template-columns:6fr 5fr;gap:56px;align-items:center;}
.hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:.01em;margin:22px 0 0;
}
.hero-sub{font-size:17px;color:var(--muted);margin-top:20px;max-width:520px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:16px;margin-top:32px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:38px;}
.stat-pill{
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:9px 18px 9px 12px;box-shadow:var(--shadow);
}
.stat-pill .stat-ico{
  width:26px;height:26px;border-radius:50%;background:rgba(23,163,152,.14);
  display:flex;align-items:center;justify-content:center;flex:none;
}
.stat-pill .stat-ico svg{width:14px;height:14px;stroke:var(--teal);}
.stat-pill strong{font-size:17px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat-pill small{font-size:12.5px;color:var(--muted);white-space:nowrap;}
.hero-visual{position:relative;}
.hero-visual::before{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(23,163,152,.22);box-shadow:0 0 0 34px rgba(23,163,152,.05),0 0 0 72px rgba(23,163,152,.035);
  pointer-events:none;
}
.hero-visual img{
  width:100%;aspect-ratio:6/5;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--shadow);
  position:relative;z-index:1;
}
.hero-float{
  position:absolute;right:-14px;bottom:-24px;z-index:2;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px 20px;width:240px;box-shadow:var(--shadow-hover);
}
.hero-float .float-title{font-size:13px;color:var(--muted);margin-bottom:10px;}
.float-row{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding:6px 0;border-top:1px dashed var(--line);}
.float-row:first-of-type{border-top:0;}
.float-row span{font-size:13.5px;color:var(--muted);}
.float-row strong{font-size:18px;color:var(--ink);font-variant-numeric:tabular-nums;}

/* 权益对比 */
.compare{background:#fff;}
.table-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:8px;box-shadow:var(--shadow);overflow:hidden;
}
table.compare-table{width:100%;border-collapse:separate;border-spacing:0;font-size:15px;}
table.compare-table th,table.compare-table td{padding:14px 20px;text-align:center;vertical-align:middle;}
table.compare-table thead th{
  background:#FBFAF6;border-bottom:1px solid var(--line);
  padding:24px 20px;vertical-align:top;
}
table.compare-table thead th:first-child{
  text-align:left;font-size:14px;color:var(--muted);font-weight:600;width:26%;
  vertical-align:bottom;
}
.plan-head .plan-name{display:block;font-size:18px;font-weight:700;color:var(--text);}
.plan-head .plan-price{display:block;font-size:26px;font-weight:700;color:var(--ink);margin-top:8px;font-variant-numeric:tabular-nums;}
.plan-head .plan-price em{font-size:13px;font-style:normal;color:var(--muted);font-weight:500;margin-left:4px;}
.plan-head .plan-desc{display:block;font-size:12.5px;color:var(--muted);margin-top:6px;}
th.col-featured,td.col-featured{position:relative;background:#FBFAF6;}
th.col-featured{box-shadow:inset 0 0 0 2px rgba(23,163,152,.55);border-radius:16px 16px 0 0;}
td.col-featured:last-child{border-radius:0 0 16px 16px;}
.tag-recommend{
  position:absolute;top:-1px;right:-1px;
  background:var(--coral);color:#fff;font-size:12px;font-weight:600;
  padding:4px 14px;border-radius:0 14px 0 14px;letter-spacing:.02em;
}
table.compare-table tbody tr:nth-child(even){background:rgba(246,243,236,.5);}
table.compare-table tbody tr:hover{background:rgba(23,163,152,.06);}
table.compare-table tbody th{
  text-align:left;font-weight:600;font-size:15px;color:var(--text);
  border-bottom:1px solid var(--line);
}
table.compare-table tbody td{border-bottom:1px solid var(--line);color:var(--muted);}
table.compare-table tbody tr:last-child th,table.compare-table tbody tr:last-child td{border-bottom:0;}
.tick{display:inline-flex;width:22px;height:22px;border-radius:50%;background:rgba(23,163,152,.14);align-items:center;justify-content:center;}
.tick svg{width:12px;height:12px;stroke:var(--teal);}
.dash{display:inline-block;width:12px;height:2px;background:#CFC9BE;border-radius:2px;vertical-align:middle;}
.cell-text{font-size:14px;color:var(--ink);font-weight:600;font-variant-numeric:tabular-nums;}
.compare-note{margin-top:20px;font-size:13.5px;color:var(--muted);}
.plan-mobile{display:none;}

/* 等级亮点 */
.levels{background:var(--deep);color:#fff;}
.levels h2{color:#fff;}
.levels .section-sub{color:rgba(255,255,255,.7);}
.levels .section-head{border-bottom:1px solid rgba(255,255,255,.12);padding-bottom:32px;}
.level-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.level-card{
  padding:8px 28px 24px;
  border-left:1px solid rgba(255,255,255,.12);
  position:relative;
}
.level-card:first-child{border-left:0;padding-left:0;}
.level-card:last-child{padding-right:0;}
.level-num{font-size:48px;font-weight:700;line-height:1;color:rgba(255,255,255,.24);font-variant-numeric:tabular-nums;}
.level-card h3{color:#fff;margin:18px 0 12px;font-size:20px;}
.level-card p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.72);}
.level-card .badge{margin-top:18px;background:rgba(255,255,255,.1);color:#9EE3DC;}
.level-card .badge.badge-coral{background:rgba(242,101,63,.22);color:#FFC5B2;}

/* 专属内容预览 */
.preview-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.preview-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
  box-shadow:var(--shadow);display:flex;flex-direction:column;
}
.preview-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(23,163,152,.4);}
.preview-thumb{position:relative;}
.preview-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.preview-thumb .badge{position:absolute;left:12px;top:12px;}
.preview-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.preview-body h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-body p{font-size:13.5px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.preview-meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12.5px;color:var(--muted);}

/* 最新信息 */
.news{background:#fff;}
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  display:flex;gap:20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(23,163,152,.4);}
.news-thumb{flex:none;width:160px;border-radius:var(--r-sm);overflow:hidden;background:#F1EDE4;}
.news-thumb img{width:160px;height:104px;object-fit:cover;}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0;flex:1;}
.news-body h3{font-size:17px;line-height:1.5;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.news-card:hover .news-body h3{color:var(--ink);}
.news-body p{font-size:14px;color:var(--muted);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:auto;display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--muted);flex-wrap:wrap;}
.news-meta .dot{width:3px;height:3px;border-radius:50%;background:#C7C1B6;}
.news-meta .read{margin-left:auto;font-weight:600;color:var(--ink);}
.news-empty{
  border:1px dashed var(--line);border-radius:var(--r-lg);background:#FBFAF6;
  padding:64px 24px;text-align:center;
}
.news-empty .empty-ico{
  width:64px;height:64px;border-radius:50%;margin:0 auto 18px;
  background:rgba(23,163,152,.12);display:flex;align-items:center;justify-content:center;
}
.news-empty .empty-ico svg{width:26px;height:26px;stroke:var(--teal);}
.news-empty p{color:var(--muted);font-size:15px;}
.news-empty .btn{margin-top:20px;}

/* 使用路径 */
.path{background:var(--bg);}
.path-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.path-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:30px 28px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease;
}
.path-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.path-step{
  width:42px;height:42px;border-radius:50%;border:1px solid rgba(23,163,152,.5);
  display:flex;align-items:center;justify-content:center;color:var(--teal);font-weight:700;
  font-variant-numeric:tabular-nums;margin-bottom:18px;
}
.path-card h3{font-size:19px;margin-bottom:10px;}
.path-card p{font-size:14.5px;color:var(--muted);}

/* FAQ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s,box-shadow .2s;
}
.faq-item.open{border-color:rgba(23,163,152,.45);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:0;text-align:left;padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--ink);}
.faq-icon{position:relative;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex:none;transition:background .2s,border-color .2s;}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;left:50%;top:50%;transform:translate(-50%,-50%);background:var(--ink);border-radius:2px;transition:transform .2s,opacity .2s,background .2s;}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.open .faq-icon{background:var(--teal);border-color:var(--teal);}
.faq-item.open .faq-icon::before{background:#fff;}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* CTA */
.cta-band{padding:0 0 var(--sp-section);}
.cta-card{
  background:var(--grad);border-radius:28px;padding:56px 64px;
  display:flex;align-items:center;justify-content:space-between;gap:48px;
  position:relative;overflow:hidden;color:#fff;box-shadow:0 18px 44px rgba(15,76,70,.22);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-70px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);box-shadow:0 0 0 40px rgba(255,255,255,.06),0 0 0 84px rgba(255,255,255,.045);
  pointer-events:none;
}
.cta-card h2{color:#fff;padding-top:0;font-size:30px;}
.cta-card h2::before{display:none;}
.cta-card p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.85);max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* 页脚 */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--muted);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--muted);transition:color .2s;}
.footer-col a:hover{color:var(--ink);text-decoration:underline;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:22px 0 30px;display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);
}
.footer-bottom .risk{font-size:12.5px;color:#8A9693;max-width:720px;line-height:1.7;}

/* 响应式 */
@media (max-width:1279px){
  .hero h1{font-size:40px;}
  .level-card{padding:8px 22px 22px;}
}
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .hero{padding:56px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:48px;}
  .hero-visual{order:-1;max-width:640px;}
  .hero-visual::before{display:none;}
  .hero-float{position:static;width:auto;margin-top:18px;box-shadow:var(--shadow);}
  .hero-sub{max-width:none;}
  table.compare-table{display:none;}
  .plan-mobile{display:grid;grid-template-columns:1fr;gap:20px;}
  .plan-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:24px;box-shadow:var(--shadow);}
  .plan-card.featured{border:2px solid transparent;background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;position:relative;}
  .plan-card .plan-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--line);}
  .plan-card .plan-top strong{font-size:18px;}
  .plan-card .plan-top .price{font-size:22px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
  .plan-rows{margin-top:14px;}
  .plan-row{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:9px 0;border-bottom:1px dashed var(--line);font-size:14px;}
  .plan-row:last-child{border-bottom:0;}
  .plan-row span{color:var(--muted);}
  .plan-row b{color:var(--text);font-weight:600;}
  .level-grid{grid-template-columns:repeat(2,1fr);gap:12px 0;}
  .level-card{padding:8px 24px 24px;}
  .level-card:nth-child(odd){border-left:0;padding-left:0;}
  .preview-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .path-grid{grid-template-columns:1fr;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:44px 36px;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .main-nav{
    position:fixed;top:0;right:0;height:100vh;width:min(340px,86vw);
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:88px 24px 24px;box-shadow:-20px 0 60px rgba(15,76,70,.16);
    transform:translateX(105%);transition:transform .28s ease;z-index:90;overflow-y:auto;
  }
  .main-nav a{padding:16px 12px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px;}
  .main-nav a.active{font-weight:700;}
  .main-nav a.active::after{left:0;top:12px;bottom:12px;right:auto;width:3px;height:auto;border-radius:3px;}
  body.nav-open .main-nav{transform:translateX(0);}
  body.nav-open{overflow:hidden;}
  .nav-mask{display:block;position:fixed;inset:0;background:rgba(11,59,54,.42);opacity:0;pointer-events:none;transition:opacity .28s;z-index:85;}
  body.nav-open .nav-mask{opacity:1;pointer-events:auto;}
  .nav-toggle{display:flex;z-index:95;}
  body.nav-open .nav-toggle span:nth-child(1){transform:translateY(6px) rotate(45deg);}
  body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
  body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
  .nav-actions .btn-text{display:none;}
  .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:36px;}
}
@media (max-width:767px){
  :root{--sp-section:56px;}
  .container{padding:0 18px;}
  .topbar .topbar-right span:first-child{display:none;}
  .hero h1{font-size:31px;line-height:1.32;}
  h2{font-size:24px;}
  .hero-sub{font-size:15.5px;}
  .hero-cta .btn{flex:1 1 auto;}
  .hero-stats{gap:10px;}
  .stat-pill{flex:1 1 calc(50% - 5px);}
  .preview-grid{grid-template-columns:1fr;}
  .news-card{gap:14px;padding:14px;}
  .news-thumb{width:104px;}
  .news-thumb img{width:104px;height:80px;}
  .news-body h3{font-size:15.5px;}
  .news-body p{-webkit-line-clamp:2;font-size:13px;}
  .news-meta .read{display:none;}
  .level-grid{grid-template-columns:1fr;gap:0;}
  .level-card{border-left:0;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;}
  .level-card:first-child{border-top:0;padding-top:0;}
  .level-num{font-size:38px;}
  .cta-card{padding:36px 24px;border-radius:22px;}
  .cta-card h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a p{padding:0 18px 18px;font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:480px){
  .hero h1{font-size:27px;}
  .hero-stats .stat-pill{flex:1 1 100%;}
  .news-card{flex-direction:column;}
  .news-thumb,.news-thumb img{width:100%;height:150px;}
  .btn{padding:12px 20px;font-size:14.5px;}
}

/* roulang page: article */
:root{
  --ink:#14201E;
  --sub:#5B6B68;
  --brand:#0F4C46;
  --brand-deep:#0B3B36;
  --accent:#17A398;
  --warm:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 8px 28px rgba(15,76,70,.08);
  --sh-hover:0 16px 40px rgba(15,76,70,.16);
  --ease:220ms ease;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{text-decoration:none;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);}
.topbar{background:var(--brand-deep);color:#D9E7E4;font-size:13px;height:34px;display:flex;align-items:center;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:#BEE3DD;border-bottom:1px solid transparent;padding-bottom:1px;}
.topbar-right a:hover{color:#fff;border-bottom-color:var(--accent);}
.nav-wrap{background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:.01em;color:var(--brand);white-space:nowrap;}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--grad);flex:none;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{position:relative;font-size:16px;color:var(--ink);padding:6px 0;font-weight:500;}
.main-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--grad);border-radius:2px;transform:scaleX(0);transform-origin:left;transition:transform var(--ease);}
.main-nav a:hover{color:var(--brand);}
.main-nav a:hover::after,.main-nav a.active::after{transform:scaleX(1);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease);}
.btn-primary{background:var(--grad);color:#fff;padding:12px 26px;box-shadow:0 6px 18px rgba(15,76,70,.22);}
.btn-primary:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);color:#fff;}
.btn-primary:active{transform:translateY(1px);}
.btn-sm{padding:9px 20px;font-size:15px;}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand);padding:11px 24px;border-radius:var(--r-sm);}
.btn-ghost:hover{background:var(--bg);transform:translateY(-2px);}
.btn-text{font-size:15px;color:var(--sub);padding:8px 6px;}
.btn-text:hover{color:var(--brand);}
.nav-toggle{display:none;width:42px;height:42px;border:1px solid var(--line);background:#fff;border-radius:12px;flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--sub);padding:14px 0;}
.crumb a{color:var(--sub);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#BFC7C4;}
.crumb .cur{color:#8A9794;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article head ---------- */
.article-head{padding:56px 0 8px;}
.article-head .container{max-width:1080px;}
.pill{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;background:#E8F4F2;color:#0F4C46;border:1px solid #CFE7E3;}
h1.article-title{
  font-size:38px;line-height:1.32;font-weight:800;letter-spacing:.01em;
  margin:18px 0 16px;color:var(--ink);
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:14px;color:var(--sub);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6CFCC;}
.meta-row strong{color:var(--brand);font-weight:600;}
.head-rule{height:1px;background:var(--line);margin:28px 0 0;}

/* ---------- article layout ---------- */
.article-main{padding:44px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 268px;gap:48px;align-items:start;}
.article-body{max-width:800px;}
.prose{font-size:16.5px;line-height:1.9;color:#263230;}
.prose > * + *{margin-top:1.3em;}
.prose p{margin:1.3em 0 0;color:#263230;}
.prose h2{
  position:relative;font-size:27px;line-height:1.4;font-weight:700;color:var(--brand);
  margin:2em 0 .7em;padding-left:18px;
}
.prose h2::before{content:"";position:absolute;left:0;top:.45em;width:6px;height:26px;border-radius:3px;background:var(--grad);}
.prose h3{font-size:20px;font-weight:700;color:var(--ink);margin:1.7em 0 .6em;}
.prose h4{font-size:17px;font-weight:700;color:var(--ink);margin:1.5em 0 .5em;}
.prose ul,.prose ol{margin:1.2em 0 0;padding-left:1.4em;}
.prose ul{list-style:disc;}
.prose ol{list-style:decimal;}
.prose li{margin:.5em 0;padding-left:.2em;}
.prose li::marker{color:var(--accent);}
.prose a{color:var(--brand);border-bottom:1px solid #B7DBD5;}
.prose a:hover{color:var(--accent);border-bottom-color:var(--accent);}
.prose blockquote{
  margin:1.6em 0;padding:16px 22px;background:#fff;border-left:3px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#33403E;box-shadow:var(--sh);
}
.prose blockquote p{margin:0;}
.prose img{border-radius:var(--r-md);margin:1.6em 0 .6em;width:100%;height:auto;object-fit:cover;background:#EFEBE2;}
.prose figure{margin:1.6em 0;}
.prose figcaption{font-size:13px;color:var(--sub);text-align:center;margin-top:8px;}
.prose table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;background:#fff;border-radius:var(--r-sm);overflow:hidden;border:1px solid var(--line);}
.prose th,.prose td{padding:12px 16px;text-align:left;border-bottom:1px solid var(--line);}
.prose th{background:#F1EDE4;font-weight:700;color:var(--brand);}
.prose tr:last-child td{border-bottom:none;}
.prose code{font-family:"SFMono-Regular",Consolas,Menlo,monospace;font-size:.92em;background:#EFEBE2;border-radius:6px;padding:2px 6px;color:#0F4C46;}
.prose pre{background:var(--brand-deep);color:#DCEBE8;padding:18px 20px;border-radius:var(--r-sm);overflow-x:auto;font-size:14px;line-height:1.7;}
.prose pre code{background:none;color:inherit;padding:0;}

/* side */
.article-side{position:sticky;top:130px;display:grid;gap:18px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);padding:20px;box-shadow:var(--sh);}
.side-card h3{font-size:15px;font-weight:700;color:var(--brand);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.side-card h3::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);}
.side-list li + li{margin-top:10px;}
.side-list a{font-size:14px;color:var(--sub);display:flex;align-items:flex-start;gap:8px;line-height:1.6;}
.side-list a::before{content:"›";color:var(--accent);font-weight:700;line-height:1.2;}
.side-list a:hover{color:var(--brand);}
.side-cta{background:var(--grad);border:none;color:#fff;box-shadow:0 12px 30px rgba(15,76,70,.24);}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:#fff;}
.side-cta p{font-size:14px;line-height:1.75;color:#DCEFEC;margin-bottom:14px;}
.side-cta .btn{width:100%;background:#fff;color:var(--brand);padding:11px 18px;border-radius:999px;font-size:15px;}
.side-cta .btn:hover{transform:translateY(-2px);color:var(--brand-deep);}

/* ---------- empty state ---------- */
.empty-state{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:56px 32px;text-align:center;box-shadow:var(--sh);}
.empty-icon{width:64px;height:64px;border-radius:50%;background:#E8F4F2;display:flex;align-items:center;justify-content:center;margin:0 auto 18px;color:var(--accent);font-size:26px;font-weight:800;}
.empty-state h2{font-size:22px;color:var(--brand);margin-bottom:8px;}
.empty-state p{color:var(--sub);font-size:15px;margin-bottom:22px;}

/* ---------- article footer blocks ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:36px 0 0;}
.tag{padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--sub);transition:all var(--ease);}
.tag:hover{border-color:var(--accent);color:var(--brand);transform:translateY(-1px);}
.article-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;align-items:center;}

.cta-card{
  margin-top:56px;border-radius:var(--r-lg);padding:40px 44px;
  background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(15,76,70,.22);position:relative;overflow:hidden;
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:50%;
  border:1px solid rgba(255,255,255,.18);box-shadow:0 0 0 34px rgba(255,255,255,.06);
}
.cta-card h2{font-size:26px;font-weight:800;line-height:1.4;margin-bottom:10px;}
.cta-card p{font-size:15px;color:#D6EDEA;max-width:520px;}
.cta-card .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:2;}
.cta-card .btn-white{background:#fff;color:var(--brand);padding:12px 26px;border-radius:999px;font-weight:700;}
.cta-card .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(0,0,0,.18);}
.cta-card .btn-line{border:1px solid rgba(255,255,255,.7);color:#fff;padding:11px 24px;border-radius:999px;font-weight:600;}
.cta-card .btn-line:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}

/* ---------- related ---------- */
.related{padding:0 0 88px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px;flex-wrap:wrap;}
.section-head h2{font-size:28px;font-weight:700;color:var(--ink);position:relative;padding-left:18px;line-height:1.4;}
.section-head h2::before{content:"";position:absolute;left:0;top:.35em;width:6px;height:28px;border-radius:3px;background:var(--grad);}
.section-head p{font-size:14px;color:var(--sub);}
.link-more{font-size:15px;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.link-more::after{content:"→";transition:transform var(--ease);}
.link-more:hover::after{transform:translateX(4px);}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.rel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);display:flex;flex-direction:column;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#CFE7E3;}
.rel-thumb{aspect-ratio:16/9;overflow:hidden;background:#EFEBE2;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform 400ms ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.rel-body h3{font-size:17px;font-weight:700;line-height:1.55;color:var(--ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-card:hover .rel-body h3{color:var(--brand);}
.rel-body p{font-size:13.5px;color:var(--sub);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);font-size:13px;color:#8A9794;display:flex;justify-content:space-between;gap:10px;}

/* ---------- footer ---------- */
.site-footer{background:#FBF9F4;border-top:1px solid var(--line);padding:56px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand .logo{font-size:17px;margin-bottom:14px;}
.footer-brand p{font-size:14px;color:var(--sub);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:15px;color:var(--ink);font-weight:700;margin-bottom:16px;}
.footer-col ul li + li{margin-top:10px;}
.footer-col a{font-size:14px;color:var(--sub);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:14px;color:var(--sub);line-height:1.85;}
.footer-bottom{border-top:1px solid var(--line);padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:#8A9794;}
.footer-bottom .risk{max-width:640px;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:36px;}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:82%;max-width:340px;background:#FBF9F4;
    flex-direction:column;align-items:stretch;gap:0;padding:88px 24px 32px;
    transform:translateX(100%);transition:transform var(--ease);box-shadow:-12px 0 40px rgba(15,76,70,.16);
    z-index:80;overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{padding:15px 0;border-bottom:1px solid var(--line);font-size:17px;}
  .main-nav a::after{display:none;}
  .main-nav a.active{padding-left:12px;}
  .main-nav a.active::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:2px;background:var(--grad);}
  .nav-toggle{display:flex;}
  .nav-actions .btn-text{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{display:none;}
  .article-body{max-width:100%;}
  h1.article-title{font-size:31px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 30px;}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .topbar{font-size:12px;}
  .topbar .container > span{max-width:56%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
  .topbar-right span{display:none;}
  .nav-inner{height:66px;gap:12px;}
  .logo{font-size:16px;}
  .article-head{padding:34px 0 4px;}
  h1.article-title{font-size:25px;line-height:1.4;}
  .article-main{padding:28px 0 56px;}
  .prose{font-size:16px;}
  .prose h2{font-size:22px;}
  .prose h3{font-size:18px;}
  .cta-card h2{font-size:22px;}
  .rel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .section-head h2{font-size:23px;}
  .crumb .cur{max-width:180px;}
}
@media (max-width:480px){
  h1.article-title{font-size:22px;}
  .btn-primary,.cta-card .btn-white{padding:11px 20px;}
  .cta-card{padding:28px 22px;border-radius:var(--r-md);}
  .empty-state{padding:40px 20px;}
}

/* roulang page: category1 */
:root{
  --ink:#14201E;
  --ink-2:#5B6B68;
  --green-deep:#0F4C46;
  --green-darker:#0B3B36;
  --teal:#17A398;
  --coral:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow-1:0 8px 28px rgba(15,76,70,.08);
  --shadow-2:0 16px 40px rgba(15,76,70,.16);
  --t:200ms ease;
  --sp:96px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover;}
a{color:inherit;text-decoration:none;transition:color var(--t),background var(--t),border-color var(--t),transform var(--t);}
a:hover{text-decoration:underline;text-underline-offset:4px;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.94);backdrop-filter:saturate(140%) blur(8px);border-bottom:1px solid var(--line);}
.topbar{border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2);}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:32px;line-height:32px;flex-wrap:wrap;}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:var(--green-deep);font-weight:600;}
.topbar-right a:hover{color:var(--teal);text-decoration:none;}
.nav-wrap{background:transparent;}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--green-deep);white-space:nowrap;}
.logo:hover{text-decoration:none;color:var(--green-darker);}
.logo-dot{width:12px;height:12px;border-radius:50%;background:var(--grad);display:inline-block;flex:none;box-shadow:0 0 0 4px rgba(23,163,152,.14);}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{position:relative;font-size:16px;color:var(--ink);padding:6px 0;border-radius:999px;font-weight:500;}
.main-nav a:hover{color:var(--green-deep);text-decoration:none;background:rgba(23,163,152,.08);box-shadow:0 0 0 10px rgba(23,163,152,.08);}
.main-nav a.active{color:var(--green-deep);font-weight:700;}
.main-nav a.active::after{content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;border-radius:2px;background:var(--grad);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:999px;padding:12px 24px;transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);}
.btn:hover{text-decoration:none;}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(15,76,70,.22);}
.btn-primary:hover{box-shadow:0 14px 30px rgba(15,76,70,.28);transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--green-deep);border:1px solid var(--green-deep);}
.btn-ghost:hover{background:#fff;border-color:var(--teal);color:var(--teal);transform:translateY(-2px);}
.btn-text{font-size:15px;font-weight:600;color:var(--ink);padding:10px 2px;}
.btn-text:hover{color:var(--green-deep);text-decoration:none;}
.btn-sm{padding:10px 20px;font-size:14px;}
.btn-white{background:#fff;color:var(--green-deep);}
.btn-white:hover{background:#F6F3EC;transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);transform:translateY(-2px);}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:4px;}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--green-deep);transition:transform var(--t),opacity var(--t);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ---------- breadcrumbs ---------- */
.crumbs{padding:26px 0 0;font-size:14px;color:var(--ink-2);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li::after{content:"/";margin-left:8px;color:#BFC6C2;}
.crumbs li:last-child::after{content:"";}
.crumbs a:hover{color:var(--green-deep);}
.crumbs .is-current{color:var(--ink-2);}

/* ---------- hero ---------- */
.cat-hero{padding:34px 0 0;}
.cat-hero-card{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);gap:48px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px;box-shadow:var(--shadow-1);position:relative;overflow:hidden;
}
.cat-hero-card::before{content:"";position:absolute;inset:0 auto 0 0;width:6px;background:var(--grad);}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.06em;color:var(--green-deep);background:rgba(23,163,152,.1);border-radius:999px;padding:6px 14px;margin-bottom:18px;}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;}
h1{font-size:42px;line-height:1.25;font-weight:800;letter-spacing:.01em;color:var(--green-darker);}
.hero-lead{margin-top:18px;font-size:17.5px;color:var(--ink-2);max-width:56ch;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.stat-badges{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.stat-badge{display:flex;align-items:center;gap:12px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:10px 20px;box-shadow:var(--shadow-1);}
.stat-badge .num{font-size:22px;font-weight:800;color:var(--green-deep);font-variant-numeric:tabular-nums;line-height:1;}
.stat-badge .lab{font-size:13px;color:var(--ink-2);}
.hero-figure{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:var(--bg);}
.hero-figure img{width:100%;height:360px;border-radius:var(--r-lg);}
.hero-figure::after{content:"";position:absolute;inset:0;background:linear-gradient(160deg,rgba(15,76,70,.12),rgba(15,76,70,0) 55%);pointer-events:none;}
.hero-note{position:absolute;right:18px;bottom:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:14px 18px;box-shadow:var(--shadow-2);max-width:230px;}
.hero-note b{display:block;font-size:13px;color:var(--coral);font-weight:700;}
.hero-note span{display:block;font-size:13px;color:var(--ink-2);line-height:1.6;margin-top:4px;}

/* ---------- section base ---------- */
.section{padding:var(--sp) 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-title{position:relative;font-size:30px;line-height:1.35;font-weight:700;color:var(--green-darker);padding-left:22px;}
.section-title::before{content:"";position:absolute;left:0;top:10px;bottom:8px;width:6px;border-radius:3px;background:var(--grad);}
.section-sub{font-size:16px;color:var(--ink-2);max-width:60ch;margin-top:12px;padding-left:22px;}
.link-more{font-size:15px;font-weight:600;color:var(--green-deep);display:inline-flex;align-items:center;gap:6px;}
.link-more:hover{color:var(--teal);text-decoration:none;gap:10px;}

/* ---------- alternating rows ---------- */
.rows{display:flex;flex-direction:column;gap:32px;}
.row{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:44px;align-items:center;background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-1);transition:box-shadow var(--t),transform var(--t);}
.row:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.row:nth-child(even) .row-media{order:2;}
.row-media{border-radius:var(--r-md);overflow:hidden;border:1px solid var(--line);position:relative;background:var(--bg);}
.row-media img{width:100%;height:290px;}
.row-media .tag{position:absolute;left:14px;top:14px;background:var(--grad);color:#fff;font-size:12.5px;font-weight:600;border-radius:999px;padding:5px 14px;}
.row-body h3{font-size:22px;font-weight:700;color:var(--green-darker);margin-bottom:12px;}
.row-body p{color:var(--ink-2);font-size:16px;}
.row-body p + p{margin-top:14px;}
.points{margin-top:20px;display:grid;gap:10px;}
.points li{position:relative;padding-left:30px;font-size:15.5px;color:var(--ink);}
.points li::before{content:"";position:absolute;left:0;top:9px;width:16px;height:16px;border-radius:50%;background:rgba(23,163,152,.14);}
.points li::after{content:"";position:absolute;left:5px;top:13px;width:6px;height:6px;border-radius:50%;background:var(--teal);}

/* ---------- dark block ---------- */
.dark-block{margin-top:var(--sp);background:var(--green-darker);color:#fff;border-radius:var(--r-lg);padding:56px;}
.dark-block .section-title{color:#fff;}
.dark-block .section-sub{color:rgba(255,255,255,.72);}
.dark-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;border-top:1px solid rgba(255,255,255,.12);}
.dark-card{padding:28px 24px;border-right:1px solid rgba(255,255,255,.12);}
.dark-card:last-child{border-right:0;}
.dark-card .idx{font-size:44px;font-weight:800;line-height:1;color:rgba(255,255,255,.22);font-variant-numeric:tabular-nums;}
.dark-card h3{font-size:19px;margin-top:14px;font-weight:600;}
.dark-card p{font-size:14.5px;color:rgba(255,255,255,.72);margin-top:10px;line-height:1.8;}

/* ---------- checklist panel ---------- */
.panel{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);padding:36px;box-shadow:var(--shadow-1);}
.panel-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:22px;}
.check-item{display:flex;gap:16px;padding:20px;border:1px solid var(--line);border-radius:var(--r-md);background:#fff;transition:border-color var(--t),box-shadow var(--t),transform var(--t);}
.check-item:hover{border-color:rgba(23,163,152,.55);box-shadow:var(--shadow-1);transform:translateY(-2px);}
.check-item .mark{flex:none;width:26px;height:26px;border-radius:50%;background:rgba(23,163,152,.14);display:flex;align-items:center;justify-content:center;color:var(--teal);font-weight:800;font-size:14px;margin-top:3px;}
.check-item h4{font-size:16.5px;font-weight:600;color:var(--green-darker);}
.check-item p{font-size:14.5px;color:var(--ink-2);margin-top:6px;}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{background:var(--card);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t);}
.faq-item.open{border-color:rgba(23,163,152,.5);box-shadow:var(--shadow-1);}
.faq-q{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;text-align:left;padding:19px 24px;font-size:17px;font-weight:600;color:var(--green-darker);}
.faq-icon{flex:none;width:28px;height:28px;border-radius:50%;border:1px solid var(--line);display:flex;align-items:center;justify-content:center;position:relative;transition:transform var(--t),background var(--t),border-color var(--t);}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--green-deep);border-radius:2px;transition:opacity var(--t),background var(--t);}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;}
.faq-item.open .faq-icon{background:var(--grad);border-color:transparent;transform:rotate(180deg);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:#fff;}
.faq-item.open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease;}
.faq-a p{padding:0 24px 22px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* ---------- chip links ---------- */
.chip-section{margin-top:var(--sp);}
.chip-links{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.chip{display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:12px 22px;font-size:15px;font-weight:600;color:var(--green-deep);box-shadow:var(--shadow-1);transition:transform var(--t),border-color var(--t),color var(--t);}
.chip:hover{border-color:var(--teal);color:var(--teal);transform:translateY(-2px);text-decoration:none;}
.chip::after{content:"→";font-weight:700;}

/* ---------- cta band ---------- */
.cta-band{margin-top:var(--sp);background:var(--grad);border-radius:28px;padding:56px 64px;color:#fff;display:flex;align-items:center;justify-content:space-between;gap:40px;position:relative;overflow:hidden;box-shadow:0 18px 44px rgba(15,76,70,.24);}
.cta-band::after{content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;border-radius:50%;border:40px solid rgba(255,255,255,.09);}
.cta-band h2{font-size:30px;font-weight:800;line-height:1.35;position:relative;z-index:1;}
.cta-band p{margin-top:12px;font-size:16px;color:rgba(255,255,255,.85);max-width:52ch;position:relative;z-index:1;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{margin-top:var(--sp);border-top:1px solid var(--line);background:var(--bg);padding:56px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:var(--ink-2);line-height:1.85;max-width:34ch;}
.footer-col h4{font-size:15px;font-weight:700;color:var(--green-darker);margin-bottom:14px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--ink-2);}
.footer-col li a:hover{color:var(--green-deep);}
.footer-col p{font-size:14px;color:var(--ink-2);line-height:1.85;}
.footer-bottom{display:flex;align-items:flex-start;justify-content:space-between;gap:24px;flex-wrap:wrap;border-top:1px solid var(--line);margin-top:40px;padding-top:20px;font-size:13px;color:var(--ink-2);}
.footer-bottom .risk{max-width:60ch;line-height:1.7;}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .main-nav{gap:22px;}
  .cat-hero-card{padding:40px;gap:36px;}
  h1{font-size:38px;}
  .cta-band{padding:48px 44px;}
}
@media (max-width:1023px){
  :root{--sp:72px;}
  .main-nav{display:none;position:absolute;left:0;right:0;top:100%;background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-2);flex-direction:column;align-items:stretch;gap:0;padding:8px 24px 20px;}
  .main-nav.open{display:flex;}
  .main-nav a{padding:16px 0;border-bottom:1px solid var(--line);font-size:17px;border-radius:0;}
  .main-nav a:hover{background:transparent;box-shadow:none;}
  .main-nav a.active::after{display:none;}
  .main-nav a.active{color:var(--green-deep);box-shadow:inset 3px 0 0 var(--teal);padding-left:12px;}
  .nav-inner{position:relative;}
  .nav-toggle{display:flex;}
  .btn-text{display:none;}
  .cat-hero-card{grid-template-columns:1fr;padding:32px;}
  .hero-figure img{height:300px;}
  .row{grid-template-columns:1fr;gap:26px;padding:26px;}
  .row:nth-child(even) .row-media{order:0;}
  .row-media img{height:240px;}
  .dark-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .dark-card:nth-child(2){border-right:0;}
  .dark-card:nth-child(1),.dark-card:nth-child(2){border-bottom:1px solid rgba(255,255,255,.12);}
  .panel-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 36px;}
}
@media (max-width:767px){
  :root{--sp:56px;}
  .container{padding:0 18px;}
  h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .cat-hero-card{padding:26px;gap:26px;}
  .hero-figure img{height:230px;}
  .hero-note{position:static;margin:14px;max-width:none;}
  .section-title{font-size:24px;}
  .section-sub{padding-left:0;}
  .section-head{margin-bottom:28px;}
  .dark-block{padding:34px 24px;}
  .dark-grid{grid-template-columns:1fr;}
  .dark-card{border-right:0;border-bottom:1px solid rgba(255,255,255,.12);}
  .dark-card:last-child{border-bottom:0;}
  .panel{padding:24px;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px 18px;}
  .cta-band{padding:36px 26px;border-radius:22px;}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:12px;}
  .topbar .container{justify-content:center;text-align:center;}
  .topbar-right{display:none;}
}
@media (max-width:480px){
  h1{font-size:26px;}
  .stat-badges{gap:10px;}
  .stat-badge{padding:8px 14px;}
  .stat-badge .num{font-size:19px;}
  .btn{width:100%;}
  .hero-cta{flex-direction:column;}
  .cta-actions{width:100%;}
  .row-body h3{font-size:19px;}
}

/* roulang page: category2 */
:root{
  --ink:#14201E;
  --ink-2:#5B6B68;
  --green:#0F4C46;
  --deep:#0B3B36;
  --teal:#17A398;
  --coral:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 8px 28px rgba(15,76,70,.08);
  --shadow-hover:0 16px 40px rgba(15,76,70,.16);
  --t:220ms ease;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;object-fit:cover}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t)}
a:hover{text-decoration:underline;text-decoration-thickness:1px;text-underline-offset:4px}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--teal);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(246,243,236,.94);backdrop-filter:blur(10px)}
.topbar{border-bottom:1px solid var(--line);font-size:13px;color:var(--ink-2);min-height:32px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;height:32px}
.topbar-right{display:flex;align-items:center;gap:20px}
.topbar a{color:var(--green);font-weight:600}
.topbar a:hover{color:var(--teal);text-decoration:none}
.nav-wrap{border-bottom:1px solid var(--line);background:rgba(255,255,255,.72)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--green)}
.logo:hover{text-decoration:none;color:var(--deep)}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--grad);box-shadow:0 0 0 3px rgba(23,163,152,.16);flex:none}
.main-nav{display:flex;align-items:center;gap:34px}
.main-nav a{
  position:relative;font-size:16px;font-weight:500;color:var(--ink);padding:6px 2px;border-radius:999px;
}
.main-nav a:hover{
  text-decoration:none;color:var(--green);background:rgba(23,163,152,.08);padding:6px 12px;margin:0 -10px;
}
.main-nav a.active{color:var(--green);font-weight:700}
.main-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:14px}
.btn-text{font-size:15px;font-weight:600;color:var(--green);padding:8px 4px}
.btn-text:hover{color:var(--teal);text-decoration:none}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;background:#fff;padding:11px 10px;flex-direction:column;justify-content:space-between}
.nav-toggle span{display:block;height:2px;border-radius:2px;background:var(--green);transition:transform var(--t),opacity var(--t)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:700;line-height:1.2;
  padding:14px 28px;border-radius:999px;border:1px solid transparent;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(15,76,70,.22)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(15,76,70,.28);filter:brightness(1.06)}
.btn-primary:active{transform:translateY(1px)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-ghost{background:#fff;color:var(--green);border-color:var(--green)}
.btn-ghost:hover{background:#FBFAF5;transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-ghost:active{transform:translateY(1px)}
.btn-light{background:#fff;color:var(--deep);box-shadow:0 10px 24px rgba(0,0,0,.16)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 16px 30px rgba(0,0,0,.2)}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--green);font-weight:700;font-size:15px}
.link-more .arw{transition:transform var(--t)}
.link-more:hover{text-decoration:none;color:var(--teal)}
.link-more:hover .arw{transform:translateX(4px)}

/* ---------- Breadcrumb ---------- */
.crumb{padding:22px 0 0;font-size:14px;color:var(--ink-2)}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumb li::after{content:"/";margin-left:8px;color:#C3BBAC}
.crumb li:last-child::after{content:"";margin:0}
.crumb a{color:var(--ink-2)}
.crumb a:hover{color:var(--green);text-decoration:none}
.crumb li[aria-current]{color:var(--ink);font-weight:600}

/* ---------- Hero ---------- */
.page-hero{padding:34px 0 8px}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--green);
  background:#fff;border:1px solid var(--line);border-radius:999px;padding:5px 14px;margin-bottom:20px;
}
.eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block}
.page-hero h1{
  font-size:clamp(30px,4vw,46px);line-height:1.24;font-weight:800;letter-spacing:.01em;color:var(--ink);
}
.page-hero h1 em{font-style:normal;color:var(--green)}
.hero-lead{margin-top:18px;font-size:17.5px;color:var(--ink-2);max-width:640px}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.data-badge{
  display:inline-flex;align-items:baseline;gap:8px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--ink-2);box-shadow:0 4px 14px rgba(15,76,70,.05);
}
.data-badge b{font-size:19px;font-weight:800;color:var(--green);font-variant-numeric:tabular-nums}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);background:#fff;box-shadow:var(--shadow)}
.hero-media img{width:100%;height:360px;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(120% 90% at 100% 0%,rgba(23,163,152,.20),transparent 52%);
}
.hero-note{
  position:absolute;left:20px;right:20px;bottom:20px;background:rgba(255,255,255,.95);
  border:1px solid var(--line);border-radius:var(--r-sm);padding:14px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:14px;backdrop-filter:blur(6px);
}
.hero-note span{font-size:13px;color:var(--ink-2)}
.hero-note b{display:block;font-size:16px;color:var(--green);font-weight:800}

/* ---------- Section basics ---------- */
.section{padding:88px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;flex-wrap:wrap;margin-bottom:36px}
.section-head h2{
  position:relative;font-size:clamp(24px,2.6vw,31px);line-height:1.35;font-weight:700;padding-top:18px;
}
.section-head h2::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:6px;border-radius:3px;background:var(--grad);
}
.section-head p{color:var(--ink-2);font-size:15px;max-width:520px}
.section-dark{background:var(--deep);color:#fff;margin-top:88px;padding:76px 0}
.section-dark .section-head h2{color:#fff}
.section-dark .section-head p{color:rgba(255,255,255,.72)}

/* ---------- Steps ---------- */
.steps{margin-top:8px}
.step{
  position:relative;display:grid;grid-template-columns:72px 1fr;gap:28px;padding-bottom:40px;
}
.step:last-child{padding-bottom:0}
.step::before{
  content:"";position:absolute;left:35px;top:74px;bottom:6px;border-left:2px dashed #CFC7B6;
}
.step:last-child::before{display:none}
.step-num{
  width:72px;height:72px;border-radius:50%;background:#fff;border:2px solid var(--teal);
  display:flex;align-items:center;justify-content:center;
  font-size:23px;font-weight:800;color:var(--teal);font-variant-numeric:tabular-nums;
  box-shadow:0 6px 18px rgba(23,163,152,.16);flex:none;position:relative;z-index:1;
}
.step-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--shadow);transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.step-body:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#D6E7E3}
.step-body h3{font-size:20px;font-weight:700;margin-bottom:10px;color:var(--ink)}
.step-body p{color:var(--ink-2);font-size:16px}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;font-weight:600;
  padding:4px 12px;border-radius:999px;background:#F1F7F5;color:var(--green);border:1px solid #D8EAE6;
}
.tag-coral{background:#FEF0EB;color:#C1441F;border-color:#FBD8CD}
.step-tip{
  margin-top:16px;padding:12px 16px;border-left:3px solid var(--teal);background:#F6F3EC;
  border-radius:8px;font-size:14.5px;color:var(--ink-2);
}

/* ---------- Quick compare rows ---------- */
.compare-wrap{display:grid;grid-template-columns:1.35fr .65fr;gap:32px;align-items:start}
.row-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow)}
.row{
  display:grid;grid-template-columns:190px 1fr auto;gap:20px;align-items:center;
  padding:20px 26px;border-bottom:1px solid var(--line);
}
.row:last-child{border-bottom:0}
.row:nth-child(even){background:#FBFAF5}
.row h4{font-size:16px;font-weight:700;color:var(--ink)}
.row p{font-size:15px;color:var(--ink-2)}
.row .mark{
  width:26px;height:26px;border-radius:50%;display:flex;align-items:center;justify-content:center;
  background:#E9F6F3;color:var(--teal);font-weight:800;font-size:14px;flex:none;
}
.side-card{
  background:var(--deep);color:#fff;border-radius:var(--r-lg);padding:30px 28px;box-shadow:var(--shadow);
  position:sticky;top:130px;
}
.side-card h3{font-size:19px;font-weight:700;margin-bottom:12px}
.side-card p{font-size:14.5px;color:rgba(255,255,255,.75);line-height:1.8}
.side-list{margin:18px 0 22px;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.88)}
.side-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--teal);margin-top:10px;flex:none}
.side-card .btn{width:100%}

/* ---------- Misconceptions ---------- */
.mis-list{display:grid;gap:16px;grid-template-columns:repeat(2,1fr)}
.mis{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 24px;transition:transform var(--t),box-shadow var(--t);
}
.mis:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover)}
.mis .icon{
  width:36px;height:36px;border-radius:12px;background:#FEF0EB;color:var(--coral);
  display:flex;align-items:center;justify-content:center;font-weight:800;flex:none;
}
.mis h4{font-size:16.5px;font-weight:700;margin-bottom:6px}
.mis p{font-size:15px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color var(--t),box-shadow var(--t)}
.faq-item.open{border-color:#BFE3DC;box-shadow:var(--shadow)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 24px;font-size:17px;font-weight:600;text-align:left;color:var(--ink);
}
.faq-q:hover{color:var(--green)}
.faq-icon{
  width:28px;height:28px;border-radius:50%;border:1px solid var(--line);flex:none;
  display:flex;align-items:center;justify-content:center;color:var(--green);
  font-size:18px;line-height:1;transition:transform var(--t),background var(--t),color var(--t),border-color var(--t);
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--grad);color:#fff;border-color:transparent}
.faq-a{padding:0 24px;max-height:0;overflow:hidden;transition:max-height 260ms ease,padding 260ms ease}
.faq-item.open .faq-a{padding:0 24px 20px}
.faq-a p{font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ---------- Chips to other categories ---------- */
.chip-nav{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.chip{
  display:inline-flex;align-items:center;gap:8px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:10px 20px;font-size:15px;font-weight:600;color:var(--green);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t),background var(--t);
}
.chip:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow);border-color:#BFE3DC;background:#FBFAF5}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:inline-block}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;background:var(--grad);border-radius:28px;padding:56px 56px;
  display:grid;grid-template-columns:1.4fr .6fr;gap:40px;align-items:center;
  color:#fff;position:relative;overflow:hidden;box-shadow:0 20px 46px rgba(15,76,70,.22);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;bottom:-90px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);box-shadow:0 0 0 30px rgba(255,255,255,.06),0 0 0 70px rgba(255,255,255,.05);
}
.cta-band h2{font-size:clamp(24px,2.8vw,32px);line-height:1.35;font-weight:800}
.cta-band p{margin-top:14px;font-size:16px;color:rgba(255,255,255,.86);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.7)}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.cta-figure{position:relative;z-index:1}
.cta-figure img{width:100%;height:220px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.3)}

/* ---------- Footer ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);margin-top:96px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .logo{font-size:18px;margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--ink-2);max-width:340px}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink)}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col p{font-size:14px;color:var(--ink-2)}
.footer-col a:hover{color:var(--green);text-decoration:none}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 32px;display:flex;flex-wrap:wrap;
  gap:12px;justify-content:space-between;font-size:13px;color:var(--ink-2);
}
.footer-bottom .risk{max-width:620px}

/* ---------- Responsive ---------- */
@media (max-width:1100px){
  .main-nav{gap:20px}
  .main-nav a{font-size:15px}
  .hero-grid{gap:34px}
  .row{grid-template-columns:170px 1fr auto}
}
@media (max-width:1023px){
  .topbar-right span{display:none}
  .nav-toggle{display:flex}
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);
    background:#FBFAF5;border-left:1px solid var(--line);
    flex-direction:column;align-items:stretch;gap:0;
    padding:96px 24px 32px;transform:translateX(102%);
    transition:transform 260ms ease;box-shadow:-20px 0 50px rgba(15,76,70,.14);
    overflow-y:auto;z-index:70;
  }
  .main-nav.open{transform:translateX(0)}
  .main-nav a{
    padding:16px 14px;border-bottom:1px solid var(--line);border-radius:0;font-size:16px;
    border-left:3px solid transparent;
  }
  .main-nav a:hover{padding:16px 14px;margin:0;background:rgba(23,163,152,.07)}
  .main-nav a.active{border-left-color:var(--teal);background:rgba(23,163,152,.08)}
  .main-nav a.active::after{display:none}
  .nav-actions .btn-text{display:none}
  .hero-grid{grid-template-columns:1fr}
  .hero-media img{height:300px}
  .compare-wrap{grid-template-columns:1fr}
  .side-card{position:static}
  .mis-list{grid-template-columns:1fr}
  .cta-band{grid-template-columns:1fr;padding:40px 32px}
  .cta-figure{order:-1}
  .cta-figure img{height:180px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:60px 0 0}
  .section-dark{margin-top:60px;padding:56px 0}
  .page-hero{padding:26px 0 0}
  .hero-media img{height:230px}
  .hero-note{position:static;left:auto;right:auto;bottom:auto;border:0;border-top:1px solid var(--line);border-radius:0;background:#fff}
  .step{grid-template-columns:52px 1fr;gap:16px;padding-bottom:30px}
  .step-num{width:52px;height:52px;font-size:18px}
  .step::before{left:25px;top:56px}
  .step-body{padding:20px 18px}
  .step-body h3{font-size:18px}
  .row{grid-template-columns:1fr;gap:8px;padding:18px}
  .row .mark{display:none}
  .faq-q{padding:16px 18px;font-size:16px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .cta-band{padding:32px 22px;border-radius:22px;margin-top:60px}
  .site-footer{margin-top:64px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column}
  .section-head{gap:16px;margin-bottom:26px}
}
@media (max-width:480px){
  body{font-size:16px}
  .page-hero h1{font-size:27px}
  .hero-actions .btn,.cta-actions .btn{width:100%}
  .data-badge{width:100%;justify-content:space-between}
  .logo{font-size:16.5px}
}

/* roulang page: category3 */
:root{
  --brand:#0F4C46;
  --brand-deep:#0B3B36;
  --teal:#17A398;
  --coral:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --text:#14201E;
  --muted:#5B6B68;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh:0 8px 28px rgba(15,76,70,.08);
  --sh-hover:0 16px 40px rgba(15,76,70,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand);}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
h1,h2,h3,h4{margin:0;line-height:1.35;letter-spacing:.01em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--teal);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部信息条 + 导航 ============ */
.site-header{position:sticky;top:0;z-index:80;}
.topbar{
  background:#EFEBE1;
  border-bottom:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}
.topbar .container{
  min-height:32px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  line-height:1.5;
  padding-top:5px;
  padding-bottom:5px;
}
.topbar-right{display:flex;align-items:center;gap:18px;}
.topbar-right a{color:var(--brand);font-weight:600;border-bottom:1px solid transparent;}
.topbar-right a:hover{border-bottom-color:var(--teal);}
.nav-wrap{
  background:rgba(246,243,236,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;gap:32px;min-height:76px;}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand);
  white-space:nowrap;
}
.logo:hover{color:var(--brand);}
.logo-dot{
  width:10px;height:10px;border-radius:50%;
  background:var(--grad);
  flex:0 0 10px;
  box-shadow:0 0 0 4px rgba(23,163,152,.14);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  position:relative;
  font-size:15.5px;
  color:var(--text);
  padding:6px 12px;
  border-radius:999px;
  white-space:nowrap;
}
.main-nav a:hover{background:rgba(15,76,70,.06);color:var(--brand);}
.main-nav a.active{color:var(--brand);font-weight:600;}
.main-nav a.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:-9px;
  height:2px;
  border-radius:2px;
  background:var(--grad);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  font-weight:600;
  border-radius:999px;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,filter .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 10px 24px rgba(15,76,70,.18);
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 16px 32px rgba(15,76,70,.24);}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-text{font-size:15px;color:var(--muted);padding:8px 4px;}
.btn-text:hover{color:var(--brand);}
.btn-outline{
  background:#fff;
  border:1px solid var(--brand);
  color:var(--brand);
  border-radius:var(--r-sm);
  padding:14px 26px;
  font-size:15.5px;
}
.btn-outline:hover{background:#FBF9F4;color:var(--brand);transform:translateY(-2px);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand);transition:transform .22s ease,opacity .22s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 面包屑 ============ */
.breadcrumb{padding:26px 0 0;font-size:14px;color:var(--muted);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:#BFB9AC;}
.breadcrumb li:last-child::after{display:none;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--muted);}

/* ============ 分类 Hero ============ */
.cat-hero{padding:30px 0 0;}
.hero-grid{
  display:grid;
  grid-template-columns:1.06fr .94fr;
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--brand);
  margin-bottom:20px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--teal);display:block;}
.cat-hero h1{
  font-size:44px;
  font-weight:800;
  line-height:1.25;
  letter-spacing:.01em;
  color:var(--brand-deep);
  margin-bottom:20px;
}
.cat-hero h1 em{font-style:normal;color:var(--teal);}
.hero-lead{
  font-size:17px;
  color:var(--muted);
  max-width:560px;
  margin-bottom:28px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  padding:9px 18px 9px 14px;
  font-size:13.5px;
  color:var(--muted);
  box-shadow:0 4px 14px rgba(15,76,70,.05);
}
.stat-pill b{
  font-size:21px;
  font-weight:800;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
  line-height:1;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-media{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:28px;
  padding:8px;
  box-shadow:var(--sh);
}
.hero-media img{
  width:100%;
  height:346px;
  object-fit:cover;
  border-radius:22px;
}
.hero-media::before{
  content:"";
  position:absolute;
  inset:-1px;
  border-radius:28px;
  padding:1px;
  background:linear-gradient(135deg,rgba(23,163,152,.55),rgba(15,76,70,0) 55%);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;
  mask-composite:exclude;
  pointer-events:none;
}
.media-note{
  position:absolute;
  left:24px;
  bottom:24px;
  background:rgba(255,255,255,.94);
  border:1px solid var(--line);
  border-radius:14px;
  padding:10px 16px;
  font-size:13px;
  color:var(--brand);
  font-weight:600;
  box-shadow:0 8px 24px rgba(15,76,70,.12);
}

/* ============ 数据带 ============ */
.data-band{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
  margin-top:56px;
}
.metric{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 26px;
  display:flex;
  align-items:center;
  gap:18px;
  transition:transform .22s ease,box-shadow .22s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.metric .num{
  font-size:34px;
  font-weight:800;
  line-height:1;
  font-variant-numeric:tabular-nums;
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  flex:0 0 auto;
}
.metric .label{font-size:13.5px;color:var(--muted);line-height:1.6;}
.metric .label strong{display:block;font-size:15.5px;color:var(--text);font-weight:600;}

/* ============ 通用板块 ============ */
.section{padding:88px 0;}
.section--plain{padding-top:0;}
.section--soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section--deep{
  background:var(--brand-deep);
  color:#fff;
}
.section--deep .section-head h2{color:#fff;}
.section--deep .section-head p{color:rgba(255,255,255,.72);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{
  font-size:30px;
  font-weight:700;
  color:var(--brand-deep);
}
.section-head h2::before{
  content:"";
  display:block;
  width:40px;height:6px;
  border-radius:3px;
  background:var(--grad);
  margin-bottom:16px;
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.section-note{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:13.5px;
  color:var(--muted);
  margin-top:18px;
}
.section-note::before{content:"";width:26px;height:1px;background:var(--line);display:block;}

/* ============ 卡片网格 ============ */
.card-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.info-card{
  display:flex;
  flex-direction:column;
  height:100%;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.info-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(23,163,152,.4);
}
.card-bar{
  height:12px;
  background:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
}
.info-card:nth-child(2) .card-bar{background:linear-gradient(135deg,#17A398 0%,#4FC3B4 100%);}
.info-card:nth-child(3) .card-bar{background:linear-gradient(135deg,#0F4C46 0%,#2E7F76 100%);}
.info-card:nth-child(4) .card-bar{background:linear-gradient(135deg,#F2653F 0%,#F79A72 100%);}
.info-card:nth-child(5) .card-bar{background:linear-gradient(135deg,#17A398 0%,#0F4C46 100%);}
.info-card:nth-child(6) .card-bar{background:linear-gradient(135deg,#2E7F76 0%,#17A398 100%);}
.card-body{flex:1;padding:26px 26px 0;}
.card-body h3{font-size:20px;font-weight:600;color:var(--brand-deep);margin-bottom:12px;}
.card-body p{font-size:15px;color:var(--muted);margin-bottom:16px;line-height:1.8;}
.mini-list{display:grid;gap:9px;margin-bottom:6px;}
.mini-list li{
  position:relative;
  padding-left:18px;
  font-size:14.5px;
  color:var(--text);
  line-height:1.75;
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:rgba(23,163,152,.5);
}
.card-foot{padding:20px 26px 24px;}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:rgba(23,163,152,.12);
  color:var(--brand);
}
.tag--coral{background:rgba(242,101,63,.12);color:#C9441F;}

/* ============ 双栏图文 ============ */
.split{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-md);
  overflow:hidden;
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--sh);
}
.split-media img{width:100%;height:380px;object-fit:cover;}
.split-copy h2{font-size:30px;font-weight:700;color:var(--brand-deep);margin-bottom:18px;}
.split-copy h2::before{
  content:"";
  display:block;
  width:40px;height:6px;border-radius:3px;
  background:var(--grad);
  margin-bottom:16px;
}
.split-copy p{color:var(--muted);font-size:16px;}
.check-list{display:grid;gap:16px;margin-top:26px;}
.check-list li{
  display:flex;
  gap:14px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  padding:16px 20px;
  transition:border-color .2s ease,transform .2s ease;
}
.check-list li:hover{border-color:rgba(23,163,152,.5);transform:translateX(3px);}
.check-list .mark{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:50%;
  background:rgba(23,163,152,.14);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;
  margin-top:2px;
}
.check-list strong{display:block;font-size:16px;font-weight:600;margin-bottom:4px;color:var(--text);}
.check-list span.desc{font-size:14.5px;color:var(--muted);line-height:1.75;}

/* ============ 处理顺序 ============ */
.order-list{display:grid;gap:16px;max-width:900px;}
.order-list li{
  display:flex;
  gap:20px;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);
  padding:24px 26px;
  transition:background-color .22s ease,transform .22s ease;
}
.order-list li:hover{background:rgba(255,255,255,.1);transform:translateY(-2px);}
.order-list .num{
  flex:0 0 46px;
  width:46px;height:46px;
  border-radius:50%;
  border:1px solid rgba(23,163,152,.55);
  color:#7FE0D4;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;
  font-size:15px;
  font-variant-numeric:tabular-nums;
}
.order-list h3{font-size:18px;font-weight:600;color:#fff;margin-bottom:6px;}
.order-list p{font-size:14.8px;color:rgba(255,255,255,.74);margin:0;line-height:1.8;}

/* ============ FAQ ============ */
.faq{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(23,163,152,.42);}
.faq-item.open{border-color:rgba(23,163,152,.6);box-shadow:var(--sh);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:18px 24px;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;
  flex:0 0 28px;
  width:28px;height:28px;
  border-radius:50%;
  background:rgba(23,163,152,.13);
  transition:transform .25s ease,background-color .25s ease;
}
.faq-icon::before,
.faq-icon::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  background:var(--brand);
  border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:12px;height:2px;}
.faq-icon::after{width:2px;height:12px;transition:opacity .2s ease,transform .25s ease;}
.faq-item.open .faq-icon{transform:rotate(180deg);background:rgba(23,163,152,.22);}
.faq-item.open .faq-icon::after{opacity:0;transform:translate(-50%,-50%) scaleY(0);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.open .faq-a{max-height:360px;}
.faq-a p{padding:0 24px 22px;margin:0;font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ 其他分类入口 ============ */
.pill-links{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.pill-links a{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:11px 22px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  font-size:15px;
  color:var(--text);
  transition:transform .2s ease,border-color .2s ease,color .2s ease,box-shadow .2s ease;
}
.pill-links a::after{content:"→";font-size:14px;color:var(--teal);}
.pill-links a:hover{
  transform:translateY(-2px);
  border-color:rgba(23,163,152,.55);
  color:var(--brand);
  box-shadow:0 10px 24px rgba(15,76,70,.1);
}

/* ============ CTA ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  background:var(--grad);
  border-radius:28px;
  padding:56px 64px;
  color:#fff;
  display:grid;
  grid-template-columns:1.45fr 1fr;
  gap:44px;
  align-items:center;
  box-shadow:0 20px 50px rgba(15,76,70,.2);
}
.cta-card h2{font-size:30px;font-weight:800;color:#fff;margin-bottom:14px;line-height:1.35;}
.cta-card p{color:rgba(255,255,255,.82);font-size:16px;margin:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.btn-light{background:#fff;color:var(--brand);padding:14px 28px;font-size:15.5px;}
.btn-light:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.btn-ghost{
  background:transparent;
  border:1px solid rgba(255,255,255,.65);
  color:#fff;
  padding:14px 28px;
  font-size:15.5px;
}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px);}
.cta-ring{
  position:absolute;
  right:-90px;
  bottom:-120px;
  width:340px;height:340px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  pointer-events:none;
}
.cta-ring::before,
.cta-ring::after{
  content:"";
  position:absolute;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.16);
}
.cta-ring::before{inset:44px;}
.cta-ring::after{inset:92px;}

/* ============ 页脚 ============ */
.site-footer{
  background:#F1EDE3;
  border-top:1px solid var(--line);
  margin-top:88px;
  padding:64px 0 28px;
  font-size:14px;
  color:var(--muted);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;
  padding-bottom:40px;
  border-bottom:1px solid var(--line);
}
.footer-brand .logo{font-size:18px;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--muted);max-width:320px;}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:var(--text);
  margin-bottom:16px;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:var(--muted);}
.footer-col a:hover{color:var(--brand);}
.footer-col p{font-size:13.5px;line-height:1.8;color:var(--muted);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  justify-content:space-between;
  gap:12px;
  padding-top:24px;
  font-size:13px;
  color:#7C8A86;
}
.footer-bottom .risk{max-width:640px;line-height:1.7;}

/* ============ 响应式 ============ */
@media (max-width:1100px){
  .cat-hero h1{font-size:38px;}
  .hero-grid{gap:36px;}
  .main-nav{gap:2px;}
  .main-nav a{padding:6px 9px;font-size:15px;}
  .nav-inner{gap:20px;}
}
@media (max-width:1024px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    top:0;right:0;
    height:100vh;
    width:min(330px,86vw);
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:104px 26px 32px;
    margin:0;
    transform:translateX(102%);
    transition:transform .3s ease;
    box-shadow:-16px 0 48px rgba(15,76,70,.16);
    z-index:70;
    overflow-y:auto;
  }
  .main-nav.open{transform:translateX(0);}
  .main-nav a{
    padding:16px 0;
    border-radius:0;
    border-bottom:1px solid var(--line);
    font-size:16px;
  }
  .main-nav a:hover{background:none;}
  .main-nav a.active{font-weight:700;padding-left:14px;border-left:3px solid var(--teal);}
  .main-nav a.active::after{display:none;}
  .nav-actions .btn-text{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{height:300px;}
  .cat-hero h1{font-size:36px;}
  .data-band{grid-template-columns:1fr;gap:14px;margin-top:40px;}
  .metric{padding:20px 22px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:34px;}
  .split-media img{height:300px;}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:72px 0;}
  .site-footer{margin-top:72px;}
}
@media (max-width:768px){
  .container{padding:0 18px;}
  body{font-size:16px;}
  .topbar .container{flex-direction:column;align-items:flex-start;gap:4px;padding-top:8px;padding-bottom:8px;}
  .topbar-right{gap:14px;}
  .nav-inner{min-height:66px;gap:12px;}
  .logo{font-size:17px;}
  .cat-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-media img{height:240px;}
  .media-note{left:16px;bottom:16px;font-size:12px;padding:8px 12px;}
  .section-head h2{font-size:25px;}
  .split-copy h2{font-size:25px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-card{padding:36px 24px;border-radius:22px;}
  .cta-card h2{font-size:24px;}
  .btn-light,.btn-ghost{width:100%;}
  .btn-outline{width:100%;}
  .hero-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:16px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .order-list li{padding:20px 18px;gap:14px;}
  .order-list .num{flex:0 0 40px;width:40px;height:40px;font-size:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .section--deep{padding:60px 0;}
  .check-list li{padding:14px 16px;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:26px;}
  .eyebrow{font-size:12px;padding:5px 12px;}
  .metric .num{font-size:28px;}
  .btn-sm{padding:9px 16px;font-size:14px;}
  .stat-pill{width:100%;justify-content:flex-start;}
  .hero-media{padding:6px;border-radius:22px;}
  .hero-media img{border-radius:18px;}
}

/* roulang page: category4 */
:root{
  --ink:#0F4C46;
  --aqua:#17A398;
  --coral:#F2653F;
  --bg:#F6F3EC;
  --card:#FFFFFF;
  --dark:#0B3B36;
  --text:#14201E;
  --muted:#5B6B68;
  --line:#E3DED3;
  --grad:linear-gradient(135deg,#0F4C46 0%,#17A398 100%);
  --radius-lg:24px;
  --radius:18px;
  --radius-sm:14px;
  --shadow:0 8px 28px rgba(15,76,70,.08);
  --shadow-hover:0 16px 40px rgba(15,76,70,.16);
  --ease:200ms ease;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--ink);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button{font-family:inherit;cursor:pointer;}
input,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--aqua);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section-sm{padding:64px 0;}
.section-title{position:relative;font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.01em;padding-left:0;}
.section-title::before{
  content:"";display:block;width:40px;height:6px;border-radius:999px;background:var(--grad);margin-bottom:18px;
}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:32px;margin-bottom:40px;flex-wrap:wrap;}
.section-head p{color:var(--muted);font-size:16px;max-width:520px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:5px 14px;border-radius:999px;
  background:rgba(23,163,152,.1);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--aqua);}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.topbar{
  background:var(--dark);color:rgba(255,255,255,.84);font-size:13px;height:32px;display:flex;align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.topbar span{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.topbar-right{display:flex;align-items:center;gap:20px;}
.topbar-right a{color:rgba(255,255,255,.9);border-bottom:1px solid rgba(255,255,255,.28);padding-bottom:1px;}
.topbar-right a:hover{color:#fff;border-color:var(--aqua);}
.nav-wrap{
  background:rgba(255,255,255,.94);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:76px;}
.logo{
  display:inline-flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);
  white-space:nowrap;
}
.logo-dot{width:10px;height:10px;border-radius:50%;background:var(--grad);flex:0 0 auto;}
.main-nav{display:flex;align-items:center;gap:34px;}
.main-nav a{
  position:relative;font-size:16px;color:var(--text);padding:6px 2px;border-radius:8px;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.main-nav a:hover{color:var(--ink);background:rgba(23,163,152,.07);}
.main-nav a.active{color:var(--ink);font-weight:600;}
.main-nav a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:14px;}
.btn-text{font-size:15px;color:var(--text);}
.btn-text:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;border-radius:999px;
  padding:13px 26px;transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{padding:10px 20px;font-size:14.5px;}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 6px 18px rgba(15,76,70,.22);}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,76,70,.28);filter:brightness(1.06);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--ink);border-color:var(--line);border-radius:14px;}
.btn-ghost:hover{border-color:var(--aqua);color:var(--ink);background:#fff;transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-outline:hover{background:rgba(15,76,70,.06);color:var(--ink);}
.btn-white{background:#fff;color:var(--ink);}
.btn-white:hover{background:#fff;color:var(--ink);transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.18);}
.btn[disabled],.btn.is-disabled{opacity:.45;box-shadow:none;cursor:not-allowed;}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform var(--ease),opacity var(--ease);}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg);}
body.nav-open .nav-toggle span:nth-child(2){opacity:0;}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- 面包屑 ---------- */
.crumbs{padding:22px 0 0;font-size:14px;color:var(--muted);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li::after{content:"/";margin-left:8px;color:#c6bfb0;}
.crumbs li:last-child::after{content:"";margin:0;}
.crumbs a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px;}
.crumbs .current{color:var(--muted);}

/* ---------- 分类 Hero ---------- */
.cat-hero{padding:34px 0 8px;}
.cat-hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.cat-hero h1{
  font-size:clamp(30px,3.4vw,44px);line-height:1.25;font-weight:800;letter-spacing:.01em;margin:18px 0 18px;
  color:var(--ink);
}
.cat-hero h1 .thin{display:block;font-size:.55em;font-weight:700;color:var(--text);letter-spacing:.02em;margin-top:12px;}
.cat-hero .lead{font-size:18px;color:var(--text);max-width:540px;}
.cat-hero .sub{font-size:15.5px;color:var(--muted);max-width:560px;margin-top:14px;}
.badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;padding:10px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;color:var(--muted);box-shadow:var(--shadow);
}
.badge b{font-size:20px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;letter-spacing:.01em;}
.badge .ico{width:22px;height:22px;border-radius:50%;background:rgba(23,163,152,.12);position:relative;flex:0 0 auto;}
.badge .ico::after{content:"";position:absolute;inset:6px;border-radius:50%;background:var(--aqua);}
.hero-figure{
  position:relative;height:360px;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow);background:var(--bg);
}
.hero-figure::before{
  content:"";position:absolute;inset:0;padding:1px;border-radius:var(--radius-lg);
  background:var(--grad);opacity:.35;pointer-events:none;
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;
}
.hero-figure img{width:100%;height:100%;object-fit:cover;}
.hero-figure figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(255,255,255,.94);border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;font-size:13.5px;color:var(--muted);line-height:1.6;
}
.hero-figure figcaption strong{color:var(--ink);}

/* ---------- 数据带 ---------- */
.stat-strip{margin-top:44px;}
.stat-strip-inner{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);
  border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;background-color:var(--line);
}
.stat-cell{background:#fff;padding:24px 26px;display:flex;align-items:center;gap:16px;}
.stat-cell .num{font-size:32px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;line-height:1;}
.stat-cell .num small{font-size:14px;font-weight:600;color:var(--aqua);margin-left:2px;}
.stat-cell .txt{font-size:14px;color:var(--muted);line-height:1.6;}

/* ---------- 清单 + 侧栏 ---------- */
.split{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:36px;align-items:start;}
.check-list{display:grid;gap:18px;}
.check-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px 24px 66px;position:relative;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-item::before{
  content:"";position:absolute;left:24px;top:26px;width:24px;height:24px;border-radius:50%;
  background:rgba(23,163,152,.12);
}
.check-item::after{
  content:"";position:absolute;left:31px;top:33px;width:10px;height:6px;
  border-left:2.5px solid var(--aqua);border-bottom:2.5px solid var(--aqua);
  transform:rotate(-45deg);
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(23,163,152,.35);}
.check-item h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;letter-spacing:.01em;}
.check-item p{font-size:15px;color:var(--muted);line-height:1.8;}
.check-item .tag{
  display:inline-block;margin-top:12px;padding:3px 12px;border-radius:999px;font-size:12.5px;
  background:var(--bg);border:1px solid var(--line);color:var(--muted);
}

/* ---------- 侧栏卡 ---------- */
.side-stack{position:sticky;top:104px;display:grid;gap:20px;}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--radius);padding:24px;box-shadow:var(--shadow);}
.side-card h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:14px;letter-spacing:.02em;}
.side-nav{display:grid;gap:2px;}
.side-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:14.5px;color:var(--muted);transition:background var(--ease),color var(--ease);
}
.side-nav a::after{content:"→";font-size:13px;opacity:.5;transition:transform var(--ease),opacity var(--ease);}
.side-nav a:hover{background:var(--bg);color:var(--ink);}
.side-nav a:hover::after{transform:translateX(3px);opacity:1;}
.side-card.cta-card{
  background:var(--grad);color:#fff;border:0;box-shadow:0 14px 34px rgba(15,76,70,.28);
}
.side-card.cta-card h3{color:#fff;}
.side-card.cta-card p{font-size:14px;color:rgba(255,255,255,.86);line-height:1.75;margin-bottom:18px;}
.side-card.cta-card .btn{width:100%;background:#fff;color:var(--ink);}
.side-card.cta-card .btn:hover{color:var(--ink);}
.side-card.cta-card .note{display:block;margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.72);}

/* ---------- 深色区块 ---------- */
.dark-band{background:var(--dark);color:#fff;border-radius:0;}
.dark-band .section-title{color:#fff;}
.dark-band .section-head p{color:rgba(255,255,255,.7);}
.dark-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.12);border-radius:var(--radius);overflow:hidden;}
.dark-cell{background:var(--dark);padding:34px 30px;}
.dark-cell .no{font-size:44px;font-weight:800;line-height:1;color:rgba(255,255,255,.2);letter-spacing:-.02em;}
.dark-cell h3{font-size:19px;font-weight:600;margin:16px 0 10px;color:#fff;}
.dark-cell p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.72);}

/* ---------- 设备适配卡 ---------- */
.device-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.device-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 26px 26px 28px;
  position:relative;transition:transform var(--ease),box-shadow var(--ease);
}
.device-card::before{
  content:"";position:absolute;left:0;top:26px;bottom:26px;width:4px;border-radius:0 4px 4px 0;background:var(--grad);
}
.device-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.device-card h3{font-size:18px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.device-card .meta{font-size:13px;color:var(--aqua);font-weight:600;margin-bottom:12px;letter-spacing:.02em;}
.device-card p{font-size:14.5px;color:var(--muted);line-height:1.85;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:16px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);}
.faq-item:hover{border-color:rgba(23,163,152,.4);}
.faq-item.open{box-shadow:var(--shadow);border-color:rgba(23,163,152,.4);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:transparent;border:0;text-align:left;padding:20px 24px;font-size:17px;font-weight:600;color:var(--text);
}
.faq-q:hover{color:var(--ink);}
.faq-icon{
  position:relative;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  flex:0 0 auto;transition:background var(--ease),border-color var(--ease),transform var(--ease);
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;transition:transform var(--ease),opacity var(--ease);
}
.faq-icon::before{width:11px;height:2px;transform:translate(-50%,-50%);}
.faq-icon::after{width:2px;height:11px;transform:translate(-50%,-50%);}
.faq-item.open .faq-icon{background:rgba(23,163,152,.12);border-color:rgba(23,163,152,.5);}
.faq-item.open .faq-icon::before,.faq-item.open .faq-icon::after{background:var(--aqua);}
.faq-item.open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height 280ms ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);max-width:660px;}

/* ---------- 其他分类 ---------- */
.pill-links{display:flex;flex-wrap:wrap;gap:14px;}
.pill-link{
  display:inline-flex;align-items:center;gap:10px;padding:12px 22px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:15px;color:var(--ink);transition:all var(--ease);
}
.pill-link .dot{width:7px;height:7px;border-radius:50%;background:var(--aqua);}
.pill-link:hover{border-color:var(--aqua);transform:translateY(-2px);box-shadow:var(--shadow);color:var(--ink);}

/* ---------- CTA ---------- */
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:56px 64px;
  background:var(--grad);color:#fff;display:grid;grid-template-columns:1fr auto;gap:40px;align-items:center;
  box-shadow:0 20px 50px rgba(15,76,70,.24);
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.18),rgba(255,255,255,0) 68%);
  pointer-events:none;
}
.cta-card h2{font-size:30px;line-height:1.35;font-weight:700;letter-spacing:.01em;}
.cta-card p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.86);max-width:560px;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}
.cta-card .btn-outline{color:#fff;border-color:rgba(255,255,255,.65);}
.cta-card .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg);border-top:1px solid var(--line);padding:64px 0 28px;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand p{margin-top:16px;font-size:14px;color:var(--muted);line-height:1.85;max-width:320px;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);letter-spacing:.04em;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{font-size:14px;color:var(--muted);}
.footer-col li a:hover{color:var(--ink);text-decoration:underline;text-underline-offset:4px;}
.footer-col p{font-size:14px;color:var(--muted);line-height:1.85;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:14px;font-size:13px;color:var(--muted);
}
.footer-bottom .risk{max-width:640px;line-height:1.7;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-hero-grid{gap:40px;}
  .split{grid-template-columns:minmax(0,1fr) 300px;gap:28px;}
  .cta-card{padding:48px 44px;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero h1{font-size:34px;}
  .hero-figure{height:320px;}
  .split{grid-template-columns:1fr;}
  .side-stack{position:static;}
  .device-grid{grid-template-columns:1fr 1fr;}
  .dark-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;gap:26px;}
  .main-nav{gap:22px;}
  .main-nav a{font-size:15px;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;left:0;right:0;top:108px;bottom:0;background:#fff;display:none;
    flex-direction:column;align-items:stretch;gap:0;padding:12px 24px 32px;
    border-top:1px solid var(--line);overflow-y:auto;z-index:70;
  }
  body.nav-open .main-nav{display:flex;}
  .main-nav a{
    padding:18px 4px 18px 14px;font-size:17px;border-bottom:1px solid var(--line);border-radius:0;
    position:relative;
  }
  .main-nav a::after{
    content:"";position:absolute;left:0;top:18px;bottom:18px;right:auto;width:3px;height:auto;border-radius:3px;
    background:var(--grad);transform:scaleY(0);transform-origin:top;transition:transform var(--ease);
  }
  .main-nav a.active::after{transform:scaleY(1);}
  .main-nav a:hover{background:transparent;}
  .nav-actions .btn-text{display:none;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .topbar{font-size:12px;height:30px;}
  .topbar .container span:first-child{max-width:58%;}
  .topbar-right span{display:none;}
  .nav-inner{height:66px;}
  .logo{font-size:16.5px;gap:8px;}
  .section{padding:56px 0;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:28px;gap:16px;}
  .cat-hero{padding:24px 0 0;}
  .cat-hero h1{font-size:27px;}
  .cat-hero .lead{font-size:16.5px;}
  .hero-figure{height:250px;}
  .hero-figure figcaption{position:static;left:auto;right:auto;bottom:auto;border-radius:0;border:0;border-top:1px solid var(--line);}
  .stat-strip-inner{grid-template-columns:1fr;}
  .stat-cell{padding:18px 20px;}
  .stat-cell .num{font-size:26px;}
  .check-item{padding:20px 20px 20px 58px;}
  .check-item::before{left:20px;top:22px;}
  .check-item::after{left:27px;top:29px;}
  .check-item h3{font-size:17.5px;}
  .device-grid{grid-template-columns:1fr;}
  .dark-cell{padding:26px 22px;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a p{padding:0 18px 20px;}
  .cta-card{padding:36px 24px;border-radius:22px;}
  .cta-card h2{font-size:24px;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .pill-link{padding:11px 18px;font-size:14.5px;}
}
@media (max-width:480px){
  .cat-hero h1{font-size:24px;}
  .badge{padding:9px 14px;font-size:12.5px;}
  .badge b{font-size:18px;}
  .hero-figure{height:210px;}
  .crumbs{font-size:13px;}
  .check-item{padding:18px 16px 18px 52px;}
  .check-item::before{left:16px;top:20px;}
  .check-item::after{left:23px;top:27px;}
}