/* roulang page: index */
:root{
  --bg-900:#060F1C;
  --bg-800:#0A1725;
  --bg-700:#102438;
  --accent:#2AD4C4;
  --accent-2:#F5A524;
  --danger:#FF6B6B;
  --success:#34C77B;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6C8298;
  --panel:#FFFFFF;
  --panel-soft:#F5F8FA;
  --line:#E4EBF1;
  --ink:#0B1A2B;
  --ink-2:#4A5C6B;
  --radius-card:16px;
  --radius-glass:18px;
  --radius-btn:10px;
  --radius-img:12px;
  --s1:0 2px 8px rgba(11,26,43,.06);
  --s2:0 12px 28px rgba(6,15,28,.28);
  --glow:0 12px 32px rgba(42,212,196,.22);
  --container:1200px;
  --gap:28px;
}
*,*::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","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg-900);
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input,select,textarea{font:inherit;color:inherit;}
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;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--panel);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--s1);}
.nav{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px;color:var(--ink);letter-spacing:-.01em;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,#0B1A2B 0%,#102438 100%);color:var(--accent);
  box-shadow:inset 0 0 0 1px rgba(42,212,196,.35);
}
.brand-mark svg{width:19px;height:19px;}
.brand-text{white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 14px;font-size:15px;color:var(--ink-2);
  border-radius:8px;transition:color .2s ease,background .2s ease;
}
.nav-links a:hover{color:var(--ink);background:var(--panel-soft);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--accent);border-radius:2px;
}
.nav-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.search-box{position:relative;display:flex;align-items:center;}
.search-box svg{position:absolute;left:12px;width:16px;height:16px;color:var(--text-3);}
.search-box input{
  width:240px;height:40px;padding:0 14px 0 36px;border-radius:999px;
  border:1px solid var(--line);background:var(--panel-soft);font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--text-3);}
.search-box input:focus{outline:none;background:#fff;border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,212,196,.15);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 20px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#04211F;box-shadow:inset 0 0 0 1px rgba(255,255,255,.25);}
.btn-primary:hover{background:#3EE0D1;transform:translateY(-1px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--accent);color:var(--accent);}
.btn-ghost:hover{background:rgba(42,212,196,.12);transform:translateY(-1px);}
.btn-dark{background:var(--ink);color:#fff;}
.btn-dark:hover{background:var(--accent);color:#04211F;transform:translateY(-1px);box-shadow:var(--glow);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--panel-soft);align-items:center;justify-content:center;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(6,15,28,.5);z-index:70;
  opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{display:block;opacity:1;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:294px;max-width:86vw;background:#fff;z-index:80;
  transform:translateX(100%);transition:transform .28s ease;padding:20px;
  display:flex;flex-direction:column;gap:8px;box-shadow:var(--s2);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer-head strong{font-size:16px;color:var(--ink);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:var(--panel-soft);
  cursor:pointer;font-size:18px;line-height:1;color:var(--ink-2);
}
.drawer a{
  display:block;padding:13px 14px;border-radius:10px;font-size:15px;color:var(--ink-2);
  border:1px solid transparent;transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.drawer a:hover,.drawer a.active{background:var(--panel-soft);color:var(--ink);border-color:var(--line);}
.drawer .btn{width:100%;margin-top:12px;}

/* ---------- hero ---------- */
.hero{
  position:relative;color:var(--text);overflow:hidden;
  background:var(--bg-900) url("/assets/images/backpic/back-1.png") center/cover no-repeat;
}
.hero::before{
  content:"";position:absolute;inset:0;background:rgba(6,15,28,.72);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:150px;
  background:linear-gradient(180deg,rgba(6,15,28,0) 0%,var(--bg-900) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 0 96px;}
.hero-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);align-items:center;}
.hero-copy{grid-column:span 6;}
.tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(42,212,196,.14);color:var(--accent);font-size:13px;font-weight:600;
  letter-spacing:.02em;
}
.tag.amber{background:rgba(245,165,36,.16);color:var(--accent-2);}
.hero h1{
  margin:20px 0 0;font-size:clamp(30px,4.4vw,52px);line-height:1.25;font-weight:700;
  letter-spacing:-.01em;color:#fff;
}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text-2);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.trust-bar{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:42px;padding-top:28px;
  border-top:1px solid rgba(255,255,255,.10);
}
.trust-item strong{display:block;font-size:26px;font-weight:700;color:var(--accent);line-height:1.2;}
.trust-item span{display:block;margin-top:4px;font-size:14px;color:var(--text-2);}
.glass-card{
  background:rgba(255,255,255,.06);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-glass);padding:26px;
}
.hero-card{grid-column:span 6;}
.hero-card h2{font-size:20px;font-weight:600;color:#fff;margin-bottom:6px;}
.hero-card .card-note{font-size:13px;color:var(--text-3);margin-bottom:16px;}
.hero-list{display:flex;flex-direction:column;gap:14px;}
.hero-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);line-height:1.7;}
.hero-list .dot{
  flex:0 0 auto;width:22px;height:22px;border-radius:8px;margin-top:3px;
  background:rgba(42,212,196,.16);color:var(--accent);font-size:12px;font-weight:700;
  display:grid;place-items:center;
}
.hero-card .btn{margin-top:22px;width:100%;}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-dark{background:var(--bg-900);color:var(--text);}
.section-deep{background:var(--bg-800);color:var(--text);}
.section-light{background:var(--panel-soft);color:var(--ink);}
.section-white{background:#fff;color:var(--ink);}
.section-head{max-width:720px;margin-bottom:48px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:-.01em;}
.section-head p{margin-top:14px;font-size:16px;line-height:1.8;color:var(--ink-2);}
.section-dark .section-head h2,.section-deep .section-head h2{color:#fff;}
.section-dark .section-head p,.section-deep .section-head p{color:var(--text-2);}

/* ---------- feature cards ---------- */
.grid-4{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.card{
  border-radius:var(--radius-card);padding:26px;background:#fff;border:1px solid var(--line);
  box-shadow:var(--s1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.card h3{font-size:20px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.card p{font-size:15px;line-height:1.8;color:var(--ink-2);}
.card-icon{
  width:44px;height:44px;border-radius:12px;display:grid;place-items:center;margin-bottom:16px;
  background:rgba(42,212,196,.12);color:#0E8E85;
}
.card-icon svg{width:22px;height:22px;}
.dark-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.08);color:var(--text);
  border-radius:var(--radius-card);padding:26px;transition:transform .25s ease,border-color .25s ease,box-shadow .25s ease;
}
.dark-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.dark-card h3{font-size:20px;font-weight:600;margin-bottom:10px;color:#fff;}
.dark-card p{font-size:15px;color:var(--text-2);}
.dark-card .card-icon{background:rgba(42,212,196,.14);color:var(--accent);}

/* ---------- steps ---------- */
.steps{position:relative;padding-left:6px;}
.step{
  position:relative;display:grid;grid-template-columns:64px 1fr;gap:20px;padding-bottom:34px;
}
.step:last-child{padding-bottom:0;}
.step::before{
  content:"";position:absolute;left:22px;top:52px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(42,212,196,.65) 0%,rgba(42,212,196,0) 100%);
}
.step:last-child::before{display:none;}
.step-node{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(42,212,196,.12);border:1px solid rgba(42,212,196,.45);
  color:var(--accent);font-weight:700;font-size:16px;
}
.step-body h3{font-size:20px;font-weight:600;color:#fff;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--text-2);max-width:760px;}
.step-body .meta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap;}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:999px;font-size:12.5px;
  background:rgba(42,212,196,.14);color:var(--accent);font-weight:600;
}
.badge.amber{background:rgba(245,165,36,.16);color:var(--accent-2);}
.badge.muted{background:rgba(255,255,255,.07);color:var(--text-2);}

/* ---------- compare matrix ---------- */
.matrix-wrap{overflow-x:auto;border-radius:var(--radius-card);}
.matrix{
  display:grid;grid-template-columns:200px repeat(3,1fr);gap:0;
  min-width:820px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
}
.matrix > div{padding:18px 20px;border-bottom:1px solid var(--line);font-size:15px;}
.matrix .m-head{background:var(--panel-soft);font-weight:600;font-size:16px;}
.matrix .m-dim{color:var(--ink-2);background:#FBFDFE;}
.matrix .m-cell{color:var(--ink-2);}
.matrix .m-col{border-left:1px solid var(--line);}
.matrix .m-last{border-bottom:none;}
.matrix .m-rec{position:relative;background:rgba(42,212,196,.05);box-shadow:inset 0 0 0 1px var(--accent);}
.matrix .m-rec .m-head{background:rgba(42,212,196,.10);}
.matrix-foot{margin-top:18px;display:flex;flex-wrap:wrap;gap:12px;align-items:center;font-size:13px;color:var(--text-3);}
.price{font-size:22px;font-weight:700;color:var(--ink);}
.price small{font-size:13px;font-weight:400;color:var(--ink-2);margin-left:6px;}
.m-list{margin-top:10px;display:flex;flex-direction:column;gap:6px;}
.m-list li{font-size:14px;color:var(--ink-2);}
.m-list li::before{content:"·";color:var(--accent);font-weight:700;margin-right:8px;}

/* ---------- limited bar ---------- */
.limited{
  background:rgba(255,255,255,.06);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-glass);
  padding:24px 28px;display:flex;flex-wrap:wrap;align-items:center;gap:22px;justify-content:space-between;
}
.countdown{display:flex;align-items:center;gap:10px;}
.countdown .num{
  font-variant-numeric:tabular-nums;font-size:28px;font-weight:700;color:var(--accent-2);
  min-width:56px;text-align:center;
}
.countdown .num small{display:block;font-size:11px;font-weight:400;color:var(--text-3);letter-spacing:.08em;}
.limited-text strong{display:block;font-size:17px;color:#fff;font-weight:600;}
.limited-text span{display:block;font-size:14px;color:var(--text-2);margin-top:4px;}
.limited .btn-glow{box-shadow:0 0 0 1px rgba(42,212,196,.4),0 14px 34px rgba(42,212,196,.28);}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--s1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.news-cover{position:relative;aspect-ratio:16/9;background:var(--panel-soft);overflow:hidden;}
.news-cover img{width:100%;height:100%;object-fit:cover;}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-body h3{
  font-size:19px;font-weight:600;line-height:1.45;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-summary{
  font-size:14.5px;line-height:1.8;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.news-foot .arrow{color:var(--accent);font-weight:700;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:54px 24px;border:1px dashed var(--line);
  border-radius:var(--radius-card);background:#fff;
}
.empty-state .icon{
  width:54px;height:54px;border-radius:16px;margin:0 auto 16px;display:grid;place-items:center;
  background:rgba(42,212,196,.12);color:#0E8E85;
}
.empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:18px;}
.skeleton-row{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:24px;}
.skeleton{height:14px;border-radius:8px;background:rgba(255,255,255,.06);}

/* ---------- consult ---------- */
.consult-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:var(--gap);align-items:start;}
.consult-copy{grid-column:span 6;}
.consult-form-wrap{grid-column:span 6;}
.point-list{display:flex;flex-direction:column;gap:16px;margin-top:28px;}
.point-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text-2);}
.point-list .check{
  flex:0 0 auto;width:24px;height:24px;border-radius:8px;display:grid;place-items:center;
  background:rgba(42,212,196,.16);color:var(--accent);font-size:13px;font-weight:700;margin-top:2px;
}
.form-card{
  background:rgba(255,255,255,.06);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border:1px solid rgba(255,255,255,.10);border-radius:var(--radius-glass);padding:28px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:10px;font-size:15px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:106px;resize:vertical;line-height:1.7;}
.field select option{color:#0B1A2B;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,212,196,.15);
}
.field.has-error input,.field.has-error textarea{border-color:var(--danger);}
.field .err{display:none;margin-top:6px;font-size:12.5px;color:var(--danger);}
.field.has-error .err{display:block;}
.form-note{margin-top:12px;font-size:12.5px;color:var(--text-3);line-height:1.7;}
.form-success{
  display:none;margin-top:14px;padding:12px 14px;border-radius:10px;font-size:14px;
  background:rgba(52,199,123,.14);border:1px solid rgba(52,199,123,.45);color:#9CF0C4;
}
.form-success.is-show{display:block;}

/* ---------- faq ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;background:none;border:0;cursor:pointer;text-align:left;
  min-height:56px;padding:16px 44px 16px 0;position:relative;
  font-size:16.5px;font-weight:600;line-height:1.6;color:var(--ink);
}
.faq-q::after{
  content:"+";position:absolute;right:6px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--accent);line-height:1;
}
.faq-item.is-open .faq-q::after{content:"−";}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 44px 20px 0;font-size:15px;line-height:1.85;color:var(--ink-2);}
.faq-item.is-open .faq-a{max-height:340px;}

/* ---------- cta band ---------- */
.cta-band{
  background:linear-gradient(90deg,var(--bg-800) 0%,var(--bg-700) 100%);
  border-radius:var(--radius-card);padding:36px 34px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  color:var(--text);border:1px solid rgba(255,255,255,.08);
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);font-weight:700;line-height:1.4;color:#fff;}
.cta-band p{margin-top:8px;font-size:15px;color:var(--text-2);}
.cta-band .actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-900);color:var(--text-2);position:relative;padding:64px 0 26px;}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(42,212,196,0) 0%,var(--accent) 50%,rgba(42,212,196,0) 100%);
}
.footer-grid{display:grid;grid-template-columns:1.3fr 1fr 1fr 1.1fr;gap:34px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-grid p{font-size:14px;line-height:1.85;color:var(--text-3);}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);line-height:1.7;
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .search-box input{width:180px;}
  .grid-4{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-toggle{display:flex;}
  .search-box{display:none;}
  .hero-copy,.hero-card{grid-column:span 12;}
  .hero-inner{padding:64px 0 72px;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .skeleton-row{grid-template-columns:repeat(2,1fr);}
  .consult-copy,.consult-form-wrap{grid-column:span 12;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  :root{--gap:16px;}
  .grid-4,.grid-3,.grid-2,.news-grid,.skeleton-row{grid-template-columns:1fr;}
  .hero h1{font-size:clamp(26px,7vw,32px);}
  .trust-bar{gap:22px;}
  .step{grid-template-columns:48px 1fr;gap:14px;}
  .step::before{left:18px;}
  .limited{padding:20px;}
  .countdown .num{font-size:24px;min-width:48px;}
  .cta-band{padding:26px 20px;}
  .matrix{min-width:720px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .footer-grid{grid-template-columns:1fr;}
}
@media (max-width:479px){
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .cta-band .actions .btn{width:100%;}
  .trust-item strong{font-size:22px;}
  .brand-text{font-size:15px;}
}

/* roulang page: article */
:root{
  --bg-900:#060F1C;--bg-800:#0A1725;--bg-700:#102438;
  --accent:#2AD4C4;--accent-2:#F5A524;
  --text:#E8F1F8;--text-2:#9FB3C4;--text-3:#6C8298;
  --panel:#FFFFFF;--surface:#F5F8FA;--line:#E4EBF1;
  --ink:#0B1A2B;--ink-2:#4A5C6B;--body-ink:#2A3D4F;
  --danger:#FF6B6B;--success:#34C77B;
  --radius-card:16px;--radius-glass:18px;--radius-btn:10px;--radius-img:12px;
  --s1:0 2px 8px rgba(11,26,43,.06);
  --s2:0 12px 28px rgba(6,15,28,.28);
  --glow:0 12px 32px rgba(42,212,196,.22);
  --maxw:1200px;--narrow:780px;--gap:28px;--section:96px;
}
*,*::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","Noto Sans SC",sans-serif;
  font-size:16px;line-height:1.8;color:var(--ink);background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,transform .2s ease}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px}

/* ============ 顶栏导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--panel);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--s1)}
.nav{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:11px;
  background:rgba(42,212,196,.14);color:#0f9b8e;
}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);letter-spacing:-.01em;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:26px;margin-left:8px}
.nav-links a{
  position:relative;font-size:15px;font-weight:500;color:var(--ink-2);
  padding:6px 0;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--accent);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after,.nav-links a.active::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;height:40px;padding:0 14px;border-radius:999px;
  background:var(--surface);border:1px solid var(--line);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,212,196,.15)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--accent);color:#06231f;box-shadow:0 6px 18px rgba(42,212,196,.28)}
.btn-primary:hover{background:#3ee0d0;transform:translateY(-1px);box-shadow:var(--glow)}
.btn-ghost{background:transparent;color:#0f9b8e;border-color:var(--accent)}
.btn-ghost:hover{background:rgba(42,212,196,.12);transform:translateY(-1px)}
.btn-dark{background:var(--bg-800);color:#fff}
.btn-dark:hover{background:var(--accent);color:#06231f;transform:translateY(-1px)}
.btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:var(--panel);cursor:pointer;
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 抽屉 */
.drawer-overlay{
  position:fixed;inset:0;background:rgba(6,15,28,.5);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:70;
}
.drawer-overlay.open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:88vw;z-index:80;
  background:var(--panel);padding:22px 20px;display:flex;flex-direction:column;gap:18px;
  transform:translateX(100%);transition:transform .3s ease;box-shadow:var(--s2);
}
.drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;font-weight:700}
.drawer-close{
  width:34px;height:34px;border-radius:9px;border:1px solid var(--line);background:var(--surface);
  font-size:20px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{padding:12px 10px;border-radius:var(--radius-btn);font-size:15px;color:var(--ink-2)}
.drawer-links a:hover{background:var(--surface);color:var(--ink)}
.drawer-links a.active{background:rgba(42,212,196,.12);color:#0f9b8e;font-weight:600}
.drawer-cta{width:100%;margin-top:auto}

/* ============ 文章头部 ============ */
.article-head{background:var(--panel);border-bottom:1px solid var(--line);padding:34px 0 44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:#0f9b8e}
.breadcrumb .sep{color:#c3d0da}
.breadcrumb .current{color:var(--text-3);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head-inner{max-width:860px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(42,212,196,.14);color:#0f9b8e;font-size:13px;font-weight:600;
}
.tag-warm{background:rgba(245,165,36,.16);color:#a86a05}
.article-title{
  font-size:clamp(28px,3.6vw,42px);font-weight:700;line-height:1.3;letter-spacing:-.01em;
  color:var(--ink);margin:16px 0 14px;
}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13.5px;color:var(--text-3)}
.meta-row .dot{color:#c3d0da}
.cover-wide{margin-top:30px;border-radius:var(--radius-img);overflow:hidden;background:var(--surface)}
.cover-wide img{width:100%;aspect-ratio:21/9;object-fit:cover}

/* ============ 正文 ============ */
.article-main{padding:56px 0 72px}
.article-body-card{
  max-width:var(--narrow);margin:0 auto;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--s1);padding:44px 40px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--body-ink)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.4;color:var(--ink);
  margin:1.6em 0 .8em;padding-left:14px;border-left:3px solid var(--accent);
}
.article-body h3{font-size:19px;font-weight:600;line-height:1.45;color:var(--ink);margin:1.4em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:1.2em 0 .5em}
.article-body p{margin:0 0 1.15em;line-height:1.9}
.article-body ul,.article-body ol{margin:0 0 1.15em;padding-left:1.4em;line-height:1.8}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.45em}
.article-body blockquote{
  margin:1.2em 0;padding:16px 20px;background:var(--surface);
  border-left:3px solid var(--accent);border-radius:0 var(--radius-img) var(--radius-img) 0;
  color:var(--ink-2);font-size:16px;
}
.article-body img{border-radius:var(--radius-img);margin:1.4em auto}
.article-body figure{margin:1.4em 0}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.3em 0;font-size:15px}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--surface);font-weight:600;color:var(--ink)}
.article-body a{color:#0f9b8e;text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:#0b7d72}
.article-body strong{color:var(--ink)}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:16px;
  padding:56px 16px;text-align:center;color:var(--ink-2);
}
.empty-state svg{width:52px;height:52px;color:var(--text-3)}
.empty-state p{font-size:16px;margin:0}
.article-foot{
  max-width:var(--narrow);margin:26px auto 0;display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  font-size:13.5px;color:var(--text-3);
}
.article-foot .chip{
  padding:5px 12px;border-radius:999px;background:var(--surface);
  border:1px solid var(--line);color:var(--ink-2);
}

/* ============ 相关推荐 ============ */
.section{padding:var(--section) 0}
.section-head{max-width:720px;margin-bottom:36px}
.section-head h2{font-size:clamp(23px,2.8vw,32px);font-weight:700;line-height:1.3;color:var(--ink)}
.section-head p{margin-top:10px;color:var(--ink-2);font-size:15.5px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;gap:16px;align-items:flex-start;background:var(--panel);
  border:1px solid var(--line);border-radius:var(--radius-card);padding:18px;
  box-shadow:var(--s1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2)}
.related-thumb{
  width:76px;height:76px;flex-shrink:0;border-radius:var(--radius-img);overflow:hidden;background:var(--surface);
}
.related-thumb img{width:100%;height:100%;object-fit:cover}
.related-body h3{font-size:17px;font-weight:600;line-height:1.45;color:var(--ink);margin-bottom:8px}
.related-body .time{font-size:13px;color:var(--text-3)}
.related-body .more{display:inline-block;margin-top:10px;font-size:13.5px;color:#0f9b8e;font-weight:600}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;background:var(--panel);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--s1);overflow:hidden}
.faq-item + .faq-item{border-top:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:56px;padding:14px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--ink);text-align:left;
}
.faq-q:hover{background:var(--surface)}
.faq-icon{position:relative;width:16px;height:16px;flex-shrink:0}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:#0f9b8e;border-radius:2px;transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{top:7px;left:0;width:16px;height:2px}
.faq-icon::after{left:7px;top:0;width:2px;height:16px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 22px 20px;color:var(--ink-2);font-size:15px;line-height:1.85;border-top:1px solid var(--line);padding-top:16px}

/* ============ CTA ============ */
.cta-strip{background:var(--bg-800);border-radius:20px;padding:40px;display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;position:relative;overflow:hidden}
.cta-strip::after{
  content:"";position:absolute;right:-60px;top:-70px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,212,196,.28),transparent 68%);
}
.cta-strip h2{font-size:clamp(21px,2.6vw,28px);font-weight:700;color:var(--text);line-height:1.35;position:relative;z-index:1}
.cta-strip p{color:var(--text-2);margin-top:8px;font-size:15px;max-width:520px;position:relative;z-index:1}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;z-index:1}
.back-row{
  max-width:var(--narrow);margin:40px auto 0;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
  font-size:14px;color:var(--text-3);
}
.back-row a{color:var(--ink-2);font-weight:600}
.back-row a:hover{color:#0f9b8e}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-900);color:var(--text-2);padding:64px 0 28px;position:relative;margin-top:24px}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:2px;
  background:linear-gradient(90deg,rgba(42,212,196,0),rgba(42,212,196,.9),rgba(42,212,196,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:700;font-size:17px;margin-bottom:14px}
.footer-brand .brand-mark{background:rgba(42,212,196,.16);color:var(--accent)}
.site-footer p{font-size:14px;line-height:1.85;color:var(--text-3);max-width:340px}
.footer-title{font-size:15px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:var(--text-2)}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12.5px;color:var(--text-3);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--section:64px}
  .search-box{width:180px}
  .nav-links{gap:18px}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  :root{--section:48px;--gap:16px}
  .container{padding:0 16px}
  .nav{height:64px;gap:12px}
  .nav-links{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-flex}
  .brand-text{font-size:15.5px}
  .nav-tools .btn-primary{display:none}
  .article-head{padding:24px 0 32px}
  .cover-wide img{aspect-ratio:16/9}
  .article-main{padding:32px 0 48px}
  .article-body-card{padding:24px 20px}
  .article-body{font-size:16px}
  .related-grid{grid-template-columns:1fr}
  .cta-strip{padding:28px 22px}
  .cta-strip .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .faq-q{padding:14px 16px;font-size:15.5px}
  .faq-a-inner{padding:14px 16px 18px}
}
@media (max-width:519px){
  .article-title{font-size:26px}
  .breadcrumb .current{max-width:180px}
  .related-card{flex-direction:column}
  .related-thumb{width:100%;height:150px}
  .btn{width:100%}
  .back-row{gap:12px}
}

/* roulang page: category1 */
:root{
  --bg-900:#060F1C;
  --bg-800:#0A1725;
  --bg-700:#102438;
  --accent:#2AD4C4;
  --accent-hover:#3EE0D1;
  --accent-ink:#0F9E92;
  --accent-2:#F5A524;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6C8298;
  --panel:#FFFFFF;
  --light:#F5F8FA;
  --line:#E4EBF1;
  --ink:#0B1A2B;
  --ink-2:#4A5C6B;
  --danger:#FF6B6B;
  --success:#34C77B;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-img:12px;
  --s1:0 2px 8px rgba(11,26,43,.06);
  --s2:0 12px 28px rgba(6,15,28,.28);
  --glow:0 12px 32px rgba(42,212,196,.22);
  --container:1200px;
  --sec-desktop:96px;
  --sec-tablet:64px;
  --sec-mobile:48px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--panel);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding-left:1.4em}
h1{font-size:clamp(30px,4.4vw,52px);font-weight:700;line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3}
h3{font-size:20px;font-weight:600;line-height:1.45}
p{font-size:16px;line-height:1.8}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
section[id],div[id]{scroll-margin-top:96px}
.section{padding:var(--sec-desktop) 0}
.section-light{background:var(--light)}
.section-dark{background:var(--bg-900);color:var(--text)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2)}
.eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:rgba(42,212,196,.14);color:var(--accent-ink);font-size:13px;font-weight:600;letter-spacing:.02em;margin-bottom:18px}
.section-dark .eyebrow{color:var(--accent)}
.badge{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;background:rgba(42,212,196,.14);color:var(--accent-ink);white-space:nowrap}
.badge-amber{background:rgba(245,165,36,.16);color:#B9760B}
.badge-line{background:transparent;border:1px solid var(--line);color:var(--ink-2)}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--s1)}
.nav{display:flex;align-items:center;gap:26px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand-mark{
  width:36px;height:36px;border-radius:10px;flex:none;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,#0A1725,#102438);color:var(--accent);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:700;color:var(--ink);white-space:nowrap;letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:26px}
.nav-links a{
  position:relative;padding:8px 2px;font-size:15px;font-weight:500;color:var(--ink-2);
  transition:color .2s ease;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--ink)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--ink);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;width:240px;height:42px;padding:0 14px;
  background:var(--light);border:1px solid var(--line);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex:none}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--text-3)}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,212,196,.15);background:#fff}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background-color .22s ease,color .22s ease,transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.btn-sm{height:42px;padding:0 20px}
.btn-primary{background:var(--accent);color:#05231F;box-shadow:0 6px 18px rgba(42,212,196,.28)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:var(--glow)}
.btn-ghost{background:transparent;border-color:rgba(42,212,196,.55);color:var(--accent-ink)}
.btn-ghost:hover{background:rgba(42,212,196,.12);transform:translateY(-1px)}
.btn-dark{background:var(--ink);color:#fff}
.btn-dark:hover{background:var(--accent);color:#05231F;transform:translateY(-1px)}
.btn:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:.22s;
}
.nav-toggle span{position:relative}
.nav-toggle span::before{content:"";position:absolute;top:-6px;left:0}
.nav-toggle span::after{content:"";position:absolute;top:6px;left:0}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,15,28,.5);opacity:0;visibility:hidden;
  transition:.25s ease;z-index:90;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:290px;max-width:86vw;background:#fff;
  z-index:100;transform:translateX(100%);transition:transform .28s ease;
  padding:22px;display:flex;flex-direction:column;gap:22px;box-shadow:var(--s2);
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.drawer-head .brand-text{font-size:16px}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  font-size:20px;line-height:1;color:var(--ink-2);cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:4px}
.drawer-links a{
  padding:13px 12px;border-radius:10px;font-size:15px;color:var(--ink-2);
  border-left:2px solid transparent;transition:.2s;
}
.drawer-links a:hover{background:var(--light);color:var(--ink)}
.drawer-links a.active{color:var(--ink);font-weight:600;border-left-color:var(--accent);background:rgba(42,212,196,.08)}
.drawer-cta{width:100%}

/* ---------- banner ---------- */
.page-banner{
  position:relative;color:var(--text);padding:70px 0 62px;
  background-image:linear-gradient(180deg,rgba(6,15,28,.80),rgba(6,15,28,.70) 55%,var(--bg-900)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.page-banner .inner{max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-2);margin-bottom:20px}
.crumb a{color:var(--text-2);transition:color .2s}
.crumb a:hover{color:var(--accent)}
.crumb span.sep{color:var(--text-3)}
.crumb .current{color:var(--text)}
.page-banner h1{color:#fff;margin-bottom:16px}
.page-banner .lead{font-size:17px;color:var(--text-2);max-width:620px}
.banner-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.banner-meta .pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  font-size:13px;color:var(--text-2);
}
.banner-meta .pill b{color:var(--accent);font-weight:600}

/* ---------- info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--s1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:0 12px 28px rgba(11,26,43,.12)}
.info-icon{
  width:46px;height:46px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(42,212,196,.12);color:var(--accent-ink);margin-bottom:18px;
}
.info-icon svg{width:22px;height:22px}
.info-card h3{font-size:19px;margin-bottom:8px}
.info-card p{font-size:15px;line-height:1.75;color:var(--ink-2);margin:0}

/* ---------- detail body ---------- */
.detail-grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start}
.article-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px;box-shadow:var(--s1);
}
.notice-bar{
  display:flex;align-items:flex-start;gap:12px;padding:16px 18px;border-radius:var(--r-img);
  background:rgba(245,165,36,.10);border:1px solid rgba(245,165,36,.28);
  color:#8A5A08;font-size:14px;line-height:1.7;margin-bottom:30px;
}
.notice-bar svg{width:18px;height:18px;flex:none;margin-top:4px;color:#D18A10}
.article-card h2{
  font-size:clamp(21px,2.2vw,26px);margin:38px 0 16px;padding-left:14px;position:relative;
}
.article-card h2:first-of-type{margin-top:0}
.article-card h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;background:var(--accent);
}
.article-card p{margin-bottom:16px;color:#22303F}
.article-card ul,.article-card ol{margin:0 0 20px;color:#22303F}
.article-card li{margin-bottom:10px;line-height:1.8}
.article-card li::marker{color:var(--accent-ink);font-weight:600}
.article-card figure{margin:24px 0}
.article-card figure img{width:100%;border-radius:var(--r-img);border:1px solid var(--line)}
.article-card figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center}
.step-list{counter-reset:step;list-style:none;padding:0;margin:0 0 20px}
.step-list li{
  position:relative;padding:14px 0 14px 46px;border-bottom:1px dashed var(--line);
}
.step-list li:last-child{border-bottom:0}
.step-list li::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  position:absolute;left:0;top:14px;width:30px;height:30px;border-radius:9px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(42,212,196,.12);color:var(--accent-ink);font-size:13px;font-weight:700;
}
.aside-card{
  position:sticky;top:96px;
  background:linear-gradient(160deg,var(--bg-800),var(--bg-700));
  border:1px solid rgba(255,255,255,.08);border-radius:var(--r-glass);
  padding:30px 26px;color:var(--text);box-shadow:var(--s2);
}
.aside-card h3{color:#fff;font-size:19px;margin-bottom:8px}
.aside-card .aside-sub{font-size:14px;color:var(--text-2);margin-bottom:20px}
.check-list{list-style:none;padding:0;margin:0 0 24px}
.check-list li{
  position:relative;padding:9px 0 9px 26px;font-size:15px;color:var(--text-2);
  border-bottom:1px solid rgba(255,255,255,.07);
}
.check-list li:last-child{border-bottom:0}
.check-list li::before{
  content:"";position:absolute;left:0;top:17px;width:12px;height:12px;border-radius:50%;
  background:rgba(42,212,196,.18);border:1px solid rgba(42,212,196,.55);
}
.aside-note{
  font-size:13px;color:var(--text-3);line-height:1.7;margin-bottom:20px;
  padding-top:16px;border-top:1px solid rgba(255,255,255,.08);
}
.aside-card .btn{width:100%}

/* ---------- faq ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:12px 32px;box-shadow:var(--s1)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  width:100%;min-height:56px;padding:18px 0;border:0;background:none;text-align:left;
  font-size:17px;font-weight:600;color:var(--ink);cursor:pointer;transition:color .2s ease;
}
.faq-q:hover{color:var(--accent-ink)}
.faq-q:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.faq-q .sign{
  position:relative;flex:none;width:26px;height:26px;border-radius:50%;
  background:rgba(42,212,196,.12);
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--accent-ink);border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-q .sign::before{width:12px;height:2px}
.faq-q .sign::after{width:2px;height:12px}
.faq-item.open .sign::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{
  padding:0 0 20px;margin:0;font-size:15px;color:var(--ink-2);line-height:1.85;
}
.faq-item.open .faq-a{max-height:300px}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-glass);
  background:linear-gradient(120deg,var(--bg-800),var(--bg-700));
  border:1px solid rgba(255,255,255,.08);
  padding:44px 44px;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(42,212,196,0),var(--accent),rgba(42,212,196,0));
}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);color:#fff;margin-bottom:10px}
.cta-band p{color:var(--text-2);font-size:15px;max-width:640px}
.cta-actions{display:flex;gap:14px;flex:none}
.cta-band .btn-ghost{color:var(--accent);border-color:rgba(42,212,196,.5)}

/* ---------- footer ---------- */
.site-footer{
  background:var(--bg-900);color:var(--text-2);position:relative;padding:64px 0 26px;margin-top:0;
}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(42,212,196,0),var(--accent),rgba(42,212,196,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:38px;padding-bottom:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px}
.footer-brand .brand-mark{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10)}
.site-footer p{font-size:14px;line-height:1.8;color:var(--text-2);max-width:320px}
.footer-title{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease}
.footer-links a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.08);padding-top:22px;font-size:13px;color:var(--text-3);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .section{padding:var(--sec-tablet) 0}
  .nav-links{display:none}
  .nav-toggle{display:flex}
  .search-box{width:200px}
  .detail-grid{grid-template-columns:1fr;gap:24px}
  .aside-card{position:static}
  .info-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px}
}
@media (max-width:767px){
  .section{padding:var(--sec-mobile) 0}
  .container{padding:0 16px}
  .search-box{display:none}
  .brand-text{font-size:15px}
  .page-banner{padding:48px 0 44px}
  .article-card{padding:24px 20px}
  .faq-wrap{padding:6px 20px}
  .info-grid{grid-template-columns:1fr;gap:16px}
  .cta-band{padding:28px 22px;border-radius:var(--r-card)}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}
@media (max-width:519px){
  h1{font-size:28px}
  .page-banner h1{font-size:28px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .btn{width:100%}
  .nav-tools .btn{padding:0 16px;font-size:14px}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important}
}

/* roulang page: category2 */
:root{
  --bg-900:#060F1C;
  --bg-800:#0A1725;
  --bg-700:#102438;
  --accent:#2AD4C4;
  --accent-2:#F5A524;
  --text:#E8F1F8;
  --text-2:#9FB3C4;
  --text-3:#6C8298;
  --panel:#FFFFFF;
  --surface:#F5F8FA;
  --line:#E4EBF1;
  --ink:#0B1A2B;
  --ink-2:#4A5C6B;
  --danger:#FF6B6B;
  --success:#34C77B;
  --r-card:16px;
  --r-glass:18px;
  --r-btn:10px;
  --r-pill:999px;
  --r-img:12px;
  --s1:0 2px 8px rgba(11,26,43,.06);
  --s2:0 12px 28px rgba(6,15,28,.28);
  --glow:0 12px 32px rgba(42,212,196,.22);
  --maxw: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","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--surface);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
ul{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
svg{display:block;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 24px;}

/* ===== Header / Nav ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:var(--s1);}
.nav{display:flex;align-items:center;gap:26px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,#0B1A2B,#102438);
  color:var(--accent);
  display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(6,15,28,.22);
}
.brand-mark svg{width:21px;height:21px;}
.brand-text{font-size:17.5px;font-weight:700;letter-spacing:-.01em;color:var(--ink);}

.nav-links{display:flex;align-items:center;gap:6px;margin-left:6px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:8px;
  transition:color .18s ease,background .18s ease;
}
.nav-links a:hover{color:var(--ink);background:var(--surface);}
.nav-links a.active{color:var(--ink);font-weight:600;}
.nav-links a.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--accent);border-radius:2px;
}

.nav-tools{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  width:240px;height:42px;padding:0 14px;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color .18s ease,box-shadow .18s ease;
}
.search-box:focus-within{border-color:var(--accent);box-shadow:0 0 0 3px rgba(42,212,196,.15);}
.search-box svg{width:16px;height:16px;color:var(--text-3);flex-shrink:0;}
.search-box input{
  width:100%;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:var(--text-3);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#04211E;
  box-shadow:inset 0 1px 0 rgba(255,255,255,.35);
}
.btn-primary:hover{background:#3FE2D2;transform:translateY(-1px);box-shadow:var(--glow);}
.btn-primary:active{transform:translateY(0);}
.btn-secondary{
  background:transparent;
  color:var(--accent);
  border:1px solid var(--accent);
}
.btn-secondary:hover{background:rgba(42,212,196,.12);transform:translateY(-1px);}
.btn-dark{
  background:var(--ink);
  color:#fff;
}
.btn-dark:hover{background:var(--accent);color:#04211E;transform:translateY(-1px);box-shadow:var(--glow);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.nav-toggle{
  display:none;
  position:relative;
  width:42px;height:42px;
  border:1px solid var(--line);
  border-radius:12px;
  background:#fff;
  flex-shrink:0;
}
.nav-toggle span{
  position:absolute;left:11px;top:20px;width:18px;height:2px;
  background:var(--ink);border-radius:2px;
}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;
  background:var(--ink);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.drawer{
  position:fixed;top:0;right:0;z-index:90;
  width:300px;max-width:86vw;height:100%;
  background:#fff;
  padding:22px;
  transform:translateX(102%);
  transition:transform .28s ease;
  box-shadow:-14px 0 34px rgba(6,15,28,.18);
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-head .brand-text{font-size:16px;}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  display:grid;place-items:center;font-size:19px;line-height:1;color:var(--ink-2);
}
.drawer-links{display:flex;flex-direction:column;gap:4px;margin-bottom:20px;}
.drawer-links a{
  padding:12px 14px;border-radius:10px;font-size:15.5px;color:var(--ink-2);
  background:var(--surface);
}
.drawer-links a.active{color:var(--ink);font-weight:600;background:rgba(42,212,196,.12);}
.drawer-mask{
  position:fixed;inset:0;z-index:80;
  background:rgba(6,15,28,.5);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
body.no-scroll{overflow:hidden;}

/* ===== Layout ===== */
.page-split{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:36px;
  align-items:start;
  padding:44px 0 88px;
}
section[id]{scroll-margin-top:100px;}

.anchor-nav{
  position:sticky;top:96px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 16px;
  box-shadow:var(--s1);
}
.an-title{
  font-size:12.5px;letter-spacing:.1em;color:var(--text-3);
  padding:0 12px 10px;font-weight:600;
}
.anchor-nav a{
  display:block;
  padding:10px 12px;
  font-size:14.5px;
  color:var(--ink-2);
  border-left:2px solid transparent;
  border-radius:0 8px 8px 0;
  transition:color .18s ease,background .18s ease,border-color .18s ease;
}
.anchor-nav a:hover{color:var(--ink);background:var(--surface);}
.anchor-nav a.active{
  border-left-color:var(--accent);
  background:rgba(42,212,196,.09);
  color:var(--ink);
  font-weight:600;
}

.content-flow{min-width:0;}

.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--text-3);
  margin-bottom:16px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb em{font-style:normal;color:var(--text-3);}

.page-head{margin-bottom:40px;}
.page-head h1{
  font-size:clamp(28px,3.6vw,42px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.page-head .lead{
  margin-top:14px;
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:720px;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;
  font-size:13px;font-weight:600;
  border-radius:var(--r-pill);
  background:rgba(42,212,196,.14);
  color:#0F7C71;
}
.badge-amber{background:rgba(245,165,36,.16);color:#9A6208;}

.block{
  padding-top:44px;
  margin-top:44px;
  border-top:1px solid var(--line);
}
.block:first-of-type{padding-top:0;margin-top:0;border-top:0;}
.block h2{
  font-size:clamp(22px,2.6vw,30px);
  line-height:1.3;
  font-weight:700;
  letter-spacing:-.01em;
  color:var(--ink);
}
.block-lead{
  margin-top:12px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  max-width:760px;
}

/* check list */
.check-list{margin-top:26px;display:grid;gap:14px;}
.check-list li{
  display:flex;gap:16px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 20px;
  box-shadow:var(--s1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.check-list li:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.ck-icon{
  width:40px;height:40px;flex-shrink:0;
  border-radius:12px;
  background:rgba(42,212,196,.12);
  color:#0F7C71;
  display:grid;place-items:center;
}
.ck-icon svg{width:20px;height:20px;}
.check-list h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink);}
.check-list p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-top:4px;}

/* timeline */
.timeline{position:relative;margin-top:30px;}
.timeline::before{
  content:"";position:absolute;left:19px;top:10px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--accent),rgba(42,212,196,.06));
  border-radius:2px;
}
.tl-item{position:relative;padding-left:64px;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:absolute;left:0;top:2px;
  width:40px;height:40px;border-radius:50%;
  background:#fff;
  border:2px solid var(--accent);
  color:var(--ink);
  font-size:14px;font-weight:700;
  display:grid;place-items:center;
  box-shadow:var(--s1);
  letter-spacing:-.02em;
}
.tl-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px 22px;
  box-shadow:var(--s1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.tl-body:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.tl-body h3{font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);}
.tl-body p{margin-top:8px;font-size:15.5px;line-height:1.85;color:var(--ink-2);}

/* card grid */
.card-grid{
  margin-top:28px;
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:26px;
}
.info-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--s1);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-4px);border-color:var(--accent);box-shadow:var(--s2);}
.info-card img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:0;
  background:var(--surface);
}
.info-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.chip{
  align-self:flex-start;
  padding:3px 11px;
  font-size:12.5px;font-weight:600;
  border-radius:var(--r-pill);
  background:var(--surface);
  color:var(--ink-2);
}
.info-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--ink);}
.info-body p{font-size:14.5px;line-height:1.75;color:var(--ink-2);flex:1;}
.card-link{
  font-size:14px;font-weight:600;color:#0F7C71;
  transition:color .18s ease,letter-spacing .18s ease;
}
.card-link:hover{color:var(--accent);letter-spacing:.02em;}

/* FAQ */
.faq{margin-top:24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--s1);overflow:hidden;}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;min-height:56px;
  font-size:16.5px;font-weight:600;color:var(--ink);
  text-align:left;
  transition:background .18s ease,color .18s ease;
}
.faq-q:hover{background:var(--surface);}
.faq-q .sign{
  position:relative;width:18px;height:18px;flex-shrink:0;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;background:#0F7C71;border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-q .sign::before{left:0;top:8px;width:18px;height:2px;}
.faq-q .sign::after{top:0;left:8px;width:2px;height:18px;}
.faq-item.open .faq-q .sign::after{transform:scaleY(0);opacity:0;}
.faq-item.open .faq-q{color:#0F7C71;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a p{
  padding:0 22px 20px;
  font-size:15.5px;line-height:1.85;color:var(--ink-2);
}

/* CTA + form */
.cta-section{
  position:relative;
  background:var(--bg-800);
  padding:84px 0;
  overflow:hidden;
}
.cta-section::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
  opacity:.18;
}
.cta-section::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(760px 340px at 18% 12%,rgba(42,212,196,.20),transparent 62%);
  pointer-events:none;
}
.cta-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,460px);
  gap:52px;align-items:start;
}
.cta-grid h2{
  margin-top:18px;
  font-size:clamp(24px,3vw,34px);
  line-height:1.32;font-weight:700;color:var(--text);
  letter-spacing:-.01em;
}
.cta-copy > p{
  margin-top:14px;
  font-size:16px;line-height:1.85;color:var(--text-2);
  max-width:520px;
}
.cta-points{margin-top:26px;display:grid;gap:14px;}
.cta-points li{
  display:flex;align-items:center;gap:12px;
  font-size:15.5px;color:var(--text);
}
.cta-points li span{
  width:26px;height:26px;flex-shrink:0;border-radius:50%;
  display:grid;place-items:center;
  background:rgba(42,212,196,.16);
  color:var(--accent);font-size:13px;font-weight:700;
}

.form-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--r-glass);
  padding:28px;
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
}
.form-card h3{font-size:19px;font-weight:600;color:var(--text);}
.form-card .form-note{font-size:13.5px;color:var(--text-3);margin-top:6px;}
.field{margin-top:18px;}
.field label{display:block;font-size:13.5px;color:var(--text-2);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-btn);
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  outline:none;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.field textarea{min-height:104px;resize:vertical;line-height:1.7;}
.field input::placeholder,.field textarea::placeholder{color:var(--text-3);}
.field select option{color:var(--ink);}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--accent);
  background:rgba(255,255,255,.09);
  box-shadow:0 0 0 3px rgba(42,212,196,.15);
}
.field.invalid input,.field.invalid select,.field.invalid textarea{border-color:var(--danger);}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--danger);}
.field.invalid .err{display:block;}
.form-submit{margin-top:22px;}
.privacy-note{margin-top:12px;font-size:12.5px;line-height:1.6;color:var(--text-3);}
.form-success{
  display:none;
  margin-top:18px;
  padding:12px 14px;
  border-radius:var(--r-btn);
  background:rgba(52,199,123,.14);
  border:1px solid rgba(52,199,123,.35);
  color:#8FE3B8;
  font-size:14px;
}
.form-success.show{display:flex;align-items:center;gap:8px;}

/* ===== Footer ===== */
.site-footer{
  position:relative;
  background:var(--bg-900);
  padding:64px 0 30px;
  color:var(--text-2);
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;
  background:linear-gradient(90deg,rgba(42,212,196,0),rgba(42,212,196,.9),rgba(42,212,196,0));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:36px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);color:var(--accent);}
.footer-brand span:last-child{font-size:16.5px;font-weight:700;color:var(--text);}
.footer-grid p{font-size:14px;line-height:1.85;color:var(--text-2);max-width:320px;}
.footer-title{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:14px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .18s ease;}
.footer-links a:hover{color:var(--accent);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:12.5px;color:var(--text-3);
  line-height:1.7;
}

/* ===== Responsive ===== */
@media (max-width:1279px){
  .search-box{width:200px;}
  .nav{gap:18px;}
}
@media (max-width:1023px){
  .search-box{display:none;}
  .nav-links a{padding:8px 9px;font-size:14.5px;}
  .page-split{grid-template-columns:1fr;gap:24px;padding:32px 0 64px;}
  .anchor-nav{
    position:static;
    display:flex;gap:8px;align-items:center;
    overflow-x:auto;
    padding:12px;
    scrollbar-width:none;
  }
  .anchor-nav::-webkit-scrollbar{display:none;}
  .an-title{display:none;}
  .anchor-nav a{
    white-space:nowrap;
    border-left:0;
    border-bottom:2px solid transparent;
    border-radius:var(--r-pill);
    padding:8px 14px;
    background:var(--surface);
    font-size:14px;
  }
  .anchor-nav a.active{border-bottom-color:var(--accent);background:rgba(42,212,196,.13);}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .cta-grid{grid-template-columns:1fr;gap:34px;}
  .cta-section{padding:64px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .nav{height:64px;gap:12px;}
  .nav-links{display:none;}
  .nav-tools .btn-primary{display:none;}
  .nav-toggle{display:block;}
  .brand-text{font-size:16px;}
  .page-head h1{font-size:26px;}
  .page-head .lead{font-size:16px;}
  .block{padding-top:34px;margin-top:34px;}
  .tl-item{padding-left:54px;}
  .tl-num{width:34px;height:34px;font-size:13px;}
  .timeline::before{left:16px;}
  .card-grid{grid-template-columns:1fr;gap:16px;}
  .cta-section{padding:52px 0;}
  .form-card{padding:22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .page-head h1{font-size:23px;line-height:1.35;}
  .block h2{font-size:21px;}
  .check-list li{flex-direction:column;gap:12px;}
  .btn{width:100%;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .form-card h3{font-size:17.5px;}
}