/* roulang page: index */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-3:#2BB3A3;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --container:1200px;
  --gap:24px;
  --sec:88px;
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand-1);text-decoration:none;transition:color .25s ease}
a:hover{color:var(--brand-2)}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-1);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;cursor:pointer}
::selection{background:rgba(15,140,126,.16)}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:200;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,52,46,.25);
  transition:height .25s ease, box-shadow .25s ease;
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:70px;
  transition:height .25s ease;
}
.site-header.is-compact .nav-inner{height:60px}
.site-header.is-compact{box-shadow:0 10px 26px -16px rgba(16,52,46,.45)}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:-.01em;
  white-space:nowrap;
}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand-grad);
  display:grid;place-items:center;
  color:#fff;font-size:15px;
  box-shadow:0 8px 18px -10px rgba(15,140,126,.8);
  flex:0 0 auto;
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:38px;
  padding:0 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  transition:color .2s ease, background .2s ease;
}
.main-nav a:hover{color:var(--brand-1);background:var(--bg-soft)}
.main-nav a.is-active{
  color:var(--brand-1);
  background:var(--bg-soft);
  font-weight:600;
}
.main-nav a.is-active::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:4px;
  height:3px;border-radius:3px;
  background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:#F1F5F4;
  border:1px solid transparent;
  border-radius:999px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{
  background:#fff;
  border-color:var(--brand-1);
  box-shadow:0 0 0 3px rgba(15,140,126,.12);
}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{
  border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:150px;
}
.search-box input::placeholder{color:#93A6A3}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  background:#fff;border-radius:12px;
  color:var(--ink);font-size:17px;
}
.nav-toggle:active{transform:translateY(1px)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:47px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:transform .2s ease, box-shadow .25s ease, background .25s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px)}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(15,140,126,.85);
}
.btn-primary:hover{
  color:#fff;
  filter:brightness(1.06);
  box-shadow:0 18px 34px -16px rgba(15,140,126,.95);
}
.btn-ghost{
  background:#fff;
  border-color:var(--line);
  color:var(--ink);
}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1)}
.btn-light{
  background:#fff;color:var(--brand-1);border-color:#fff;
}
.btn-light:hover{color:var(--brand-2);background:#fff}
.btn-outline-light{
  background:transparent;color:#fff;border-color:rgba(255,255,255,.7);
}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff}
.btn-sm{height:41px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-1);
}
.text-link i{font-size:12px;transition:transform .25s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:76px 0 72px;
  background:
    radial-gradient(760px 420px at 12% 0%, rgba(15,140,126,.13), rgba(15,140,126,0) 62%),
    radial-gradient(620px 380px at 92% 18%, rgba(111,75,224,.11), rgba(111,75,224,0) 60%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:
    linear-gradient(rgba(16,52,46,.045) 1px, transparent 1px),
    linear-gradient(90deg, rgba(16,52,46,.045) 1px, transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.55),transparent 78%);
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:56px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;
  border-radius:999px;
  background:var(--bg-soft);
  color:var(--brand-1);
  font-size:13px;
  font-weight:600;
  letter-spacing:.02em;
}
.eyebrow i{font-size:12px}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.6vw,50px);
  line-height:1.16;
  letter-spacing:-.01em;
}
.hero h1 .hl{
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  margin-top:18px;
  max-width:560px;
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:34px}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  padding:7px 16px 7px 14px;
  border:1px solid var(--line);
  border-radius:999px;
  background:#fff;
  box-shadow:var(--sh-1);
}
.badge b{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;
  line-height:1;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.badge span{font-size:13px;color:var(--muted)}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-2);
  border:1px solid var(--line);
  background:#fff;
}
.hero-visual .frame img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-visual .frame::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,140,126,.10) 0%,rgba(111,75,224,.26) 100%);
  pointer-events:none;
}
.float-card{
  position:absolute;
  left:-18px;bottom:26px;
  width:min(268px,78%);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-sm);
  box-shadow:var(--sh-2);
  padding:16px 18px;
}
.float-card .fc-top{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.float-card .fc-top i{color:var(--brand-1)}
.float-card .fc-val{
  margin-top:8px;
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:22px;
  font-weight:700;
  color:var(--ink);
}
.float-card .fc-bar{
  margin-top:10px;height:6px;border-radius:999px;background:var(--bg-soft);overflow:hidden;
}
.float-card .fc-bar span{display:block;height:100%;width:76%;border-radius:999px;background:var(--brand-grad)}

/* ---------- Section base ---------- */
.section{padding:var(--sec) 0}
.section-soft{background:var(--bg-soft)}
.section-white{background:#fff}
.sec-head{margin-bottom:44px}
.sec-head.has-action{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
}
.sec-kicker{
  display:inline-block;
  position:relative;
  padding-left:52px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-1);
  text-transform:uppercase;
  margin-bottom:12px;
}
.sec-kicker::before{
  content:"";
  position:absolute;left:0;top:50%;
  transform:translateY(-50%);
  width:40px;height:8px;border-radius:4px;
  background:var(--brand-grad);
}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.25;
}
.sec-head p{
  margin-top:12px;
  max-width:660px;
  font-size:15px;
  color:var(--muted);
}

/* ---------- Metrics ---------- */
.metrics{padding:0 0 var(--sec)}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--gap);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:30px 28px;
}
.metric{display:flex;flex-direction:column;gap:6px;padding-left:20px;border-left:2px solid var(--bg-soft)}
.metric:first-child{border-left-color:transparent;padding-left:0}
.metric b{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:28px;
  line-height:1.1;
  background:var(--brand-grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.metric span{font-size:13px;color:var(--muted)}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  border-color:rgba(15,140,126,.3);
}
.card-media{display:block;overflow:hidden;border-radius:var(--r-sm);margin:14px 14px 0}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.tag{
  align-self:flex-start;
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:999px;
  background:var(--bg-soft);
  color:var(--brand-1);
  font-size:12px;
  font-weight:600;
}
.card-title{font-size:19px;line-height:1.45}
.card-title a{color:var(--ink)}
.card-title a:hover{color:var(--brand-1)}
.card-desc{font-size:14.5px;line-height:1.75;color:var(--muted)}
.card-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.svc-icon{
  width:46px;height:46px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--bg-soft);
  color:var(--brand-1);
  font-size:19px;
  margin-bottom:4px;
}
.feature-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.feature-list li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--muted);
  line-height:1.7;
}
.feature-list li::before{
  content:"";
  position:absolute;left:0;top:9px;
  width:8px;height:8px;border-radius:3px;
  background:var(--brand-grad);
}

/* ---------- Steps ---------- */
.steps-wrap{position:relative}
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap);align-items:start}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:28px 26px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3)}
.step-card:nth-child(2){margin-top:26px}
.step-card:nth-child(3){margin-top:52px}
.step-num{
  font-family:var(--mono);
  font-size:46px;
  font-weight:700;
  line-height:1;
  letter-spacing:-.02em;
  color:transparent;
  -webkit-text-stroke:1.6px rgba(15,140,126,.55);
  margin-bottom:16px;
}
.step-card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.step-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.step-card .text-link{margin-top:16px}

/* ---------- News ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:12px;
  padding:64px 24px;
  border:1px dashed var(--line);
  border-radius:var(--r-md);
  background:#fff;
  color:var(--muted);
  font-size:14px;
}
.empty-state i{font-size:26px;color:#B7C7C4}

/* ---------- Cases ---------- */
.case-top{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:var(--gap);margin-bottom:var(--gap)}
.case-card{
  display:grid;
  grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3)}
.case-card img{width:100%;height:100%;min-height:230px;object-fit:cover}
.case-card .case-body{padding:26px 24px;display:flex;flex-direction:column;gap:12px}
.case-card h3{font-size:20px;line-height:1.4}
.case-card p{font-size:14.5px;color:var(--muted);line-height:1.8}
.case-card .badge-row{margin-top:auto;padding-top:8px}
.mini-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--gap)}
.mini-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px 22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease, box-shadow .25s ease, border-color .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3)}
.mini-card i{
  display:grid;place-items:center;
  width:42px;height:42px;border-radius:12px;
  background:var(--bg-soft);color:var(--brand-1);font-size:17px;
  margin-bottom:14px;
}
.mini-card h3{font-size:17px;margin-bottom:8px}
.mini-card p{font-size:14px;color:var(--muted);line-height:1.75}
.mini-card b{
  display:block;margin-top:14px;
  font-family:var(--mono);font-variant-numeric:tabular-nums;
  font-size:16px;color:var(--brand-1);
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .25s ease, box-shadow .25s ease;
}
.faq-item.is-open{border-color:rgba(15,140,126,.35);box-shadow:var(--sh-2)}
.faq-item::before{
  content:"";
  position:absolute;left:0;top:0;bottom:0;
  width:3px;background:var(--brand-grad);
  opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px 20px 26px;
  background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  line-height:1.6;
}
.faq-q i{color:var(--brand-1);font-size:14px;transition:transform .3s ease;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(90deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 26px 22px;
  font-size:14.5px;line-height:1.85;color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sec)}
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:28px;
  background:var(--brand-grad);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
  box-shadow:0 26px 60px -28px rgba(79,52,180,.6);
}
.cta-card::after{
  content:"";
  position:absolute;right:-90px;top:-90px;
  width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 0 0 46px rgba(255,255,255,.09), 0 0 0 96px rgba(255,255,255,.05);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;max-width:620px}
.cta-copy h2{color:#fff;font-size:clamp(23px,2.8vw,32px);line-height:1.3}
.cta-copy p{margin-top:12px;color:rgba(255,255,255,.9);font-size:15px;line-height:1.8}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- Footer ---------- */
.site-footer{
  background:#0E1F1C;
  color:#B9CBC7;
  padding:64px 0 0;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:44px;
}
.footer-brand .brand{color:#fff}
.footer-brand .brand:hover{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#93A6A3;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#B9CBC7;font-size:14px}
.footer-col a:hover{color:#5FD6C4}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:#5FD6C4;margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.09);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7F938F;
}
.footer-bottom a{color:#7F938F}
.footer-bottom a:hover{color:#5FD6C4}

/* ---------- Mobile drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;
  background:rgba(10,26,23,.5);
  opacity:0;visibility:hidden;
  transition:opacity .28s ease, visibility .28s ease;
  z-index:300;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:min(330px,86vw);
  background:#fff;
  z-index:310;
  transform:translateX(100%);
  transition:transform .3s ease;
  display:flex;flex-direction:column;
  padding:22px 22px 28px;
  overflow-y:auto;
  box-shadow:-20px 0 50px -24px rgba(16,52,46,.5);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 16px;
  border-radius:12px;
  color:var(--ink);font-size:15px;font-weight:500;
  background:var(--bg);
}
.drawer-nav a.is-active{background:var(--bg-soft);color:var(--brand-1);font-weight:600}
.drawer-search{
  display:flex;align-items:center;gap:8px;
  height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-input);
  margin-bottom:16px;
}
.drawer-search input{border:0;outline:none;background:transparent;font-size:15px;width:100%;color:var(--ink)}
.drawer-search i{color:var(--muted)}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  :root{--sec:72px}
  .hero-grid{gap:40px}
  .main-nav a{padding:0 11px;font-size:14.5px}
  .search-box input{width:120px}
}
@media (max-width:1023px){
  :root{--sec:64px}
  .main-nav{display:none}
  .search-box{display:none}
  .nav-toggle{display:inline-grid;place-items:center}
  .hero{padding:56px 0 60px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero-visual{order:-1}
  .float-card{left:auto;right:14px;bottom:14px}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:22px}
  .metric{border-left-color:transparent;padding-left:0}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-grid{grid-template-columns:1fr;gap:18px}
  .step-card:nth-child(2),.step-card:nth-child(3){margin-top:0}
  .case-top{grid-template-columns:1fr}
  .mini-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px}
}
@media (max-width:767px){
  :root{--sec:48px;--gap:16px}
  .container{padding:0 16px}
  .nav-inner{height:62px;gap:12px}
  .brand{font-size:16px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15.5px}
  .hero-actions .btn{flex:1 1 auto}
  .badge-row{gap:10px}
  .badge{padding:6px 14px 6px 12px}
  .badge b{font-size:18px}
  .metric-grid{padding:22px 20px}
  .metric b{font-size:24px}
  .grid-3{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .case-card{grid-template-columns:1fr}
  .case-card img{min-height:180px;aspect-ratio:16/9}
  .cta-card{padding:34px 24px;border-radius:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .faq-q{padding:18px 18px 18px 20px;font-size:15px}
  .faq-a p{padding:0 20px 20px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .sec-head{margin-bottom:30px}
}
@media (max-width:479px){
  .hero h1{font-size:26px}
  .metric-grid{grid-template-columns:1fr}
  .float-card{position:static;width:100%;margin-top:14px}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .card:hover,.step-card:hover,.mini-card:hover,.case-card:hover{transform:none}
}

/* roulang page: article */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --ease:.25s ease;
  --sp-section:88px;
  --font: "PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num: ui-monospace,"SFMono-Regular",Inter,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;font-family:var(--font);font-size:16px;line-height:1.85;color:var(--ink);
  background:var(--bg);-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand-1);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:visited{color:var(--brand-1);}
a:hover{color:var(--brand-2);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform var(--ease),box-shadow var(--ease),background-color var(--ease),color var(--ease),border-color var(--ease);
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 26px -14px rgba(15,140,126,.75);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 34px -14px rgba(15,140,126,.85);}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line);}
.btn-ghost:hover{color:var(--brand-1);border-color:rgba(15,140,126,.5);box-shadow:var(--sh-1);}
.btn-light{background:#fff;color:var(--brand-1);}
.btn-light:hover{color:var(--brand-2);}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1);}
.link-more i{transition:transform var(--ease);}
.link-more:hover i{transform:translateX(4px);}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,52,46,.25);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 10px 26px -16px rgba(16,52,46,.4);}
.nav-inner{display:flex;align-items:center;gap:28px;height:70px;}
.site-header.is-scrolled .nav-inner{height:62px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-size:14px;box-shadow:0 8px 18px -10px rgba(15,140,126,.9);
}
.main-nav{display:flex;align-items:center;gap:26px;margin-left:8px;}
.main-nav a{position:relative;font-size:15px;font-weight:500;color:var(--ink);padding:6px 0;}
.main-nav a:hover{color:var(--brand-1);}
.main-nav a.is-active{color:var(--brand-1);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;
  background:#F1F5F4;border:1px solid transparent;border-radius:var(--r-pill);
  transition:background-color var(--ease),border-color var(--ease);
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{border:0;background:transparent;outline:none;width:168px;}
.search-box input::placeholder{color:#93A5A1;}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  color:var(--ink);font-size:17px;background:#fff;
}
.nav-toggle:hover{color:var(--brand-1);border-color:rgba(15,140,126,.4);}
.nav-mask{display:none;position:fixed;inset:0;background:rgba(12,32,29,.42);z-index:70;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb-bar .container{display:flex;flex-wrap:wrap;align-items:center;gap:10px;padding-top:14px;padding-bottom:14px;font-size:13px;color:var(--muted);}
.crumb-bar a{color:var(--muted);}
.crumb-bar a:hover{color:var(--brand-1);}
.crumb-bar .sep{color:#C3D2CE;}
.crumb-bar .current{color:var(--brand-1);font-weight:600;max-width:60%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;background:var(--bg-soft);overflow:hidden;
  padding:56px 0 48px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,140,126,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,140,126,.05) 1px,transparent 1px);
  background-size:44px 44px;mask-image:radial-gradient(600px 300px at 20% 0%,#000 0%,transparent 78%);
}
.article-hero .container{position:relative;}
.cat-pill{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:#fff;border:1px solid rgba(15,140,126,.22);color:var(--brand-1);
  font-size:13px;font-weight:600;
}
.article-hero h1{
  font-size:clamp(26px,3.4vw,38px);line-height:1.3;margin:18px 0 18px;max-width:900px;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;font-size:13px;color:var(--muted);}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-1);font-size:12px;}

/* ---------- 正文布局 ---------- */
.article-main{padding:var(--sp-section) 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start;}
.article-shell{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:48px 52px;box-shadow:var(--sh-1);
}
.article-body{max-width:800px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--ink);}
.article-body>*:first-child{margin-top:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  position:relative;padding-left:16px;font-size:clamp(20px,2.2vw,24px);line-height:1.4;
  margin:2.1em 0 .9em;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;width:6px;height:1em;border-radius:3px;background:var(--brand-grad);
}
.article-body h3{font-size:18px;line-height:1.45;margin:1.7em 0 .7em;color:var(--ink);}
.article-body h4{font-size:16px;margin:1.4em 0 .6em;color:var(--brand-1);}
.article-body a{font-weight:500;border-bottom:1px solid rgba(15,140,126,.35);}
.article-body a:hover{border-bottom-color:var(--brand-2);}
.article-body ul,.article-body ol{margin:0 0 1.3em;padding-left:2px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin:0 0 .6em;line-height:1.8;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;border-radius:3px;background:var(--brand-grad);
}
.article-body ol{counter-reset:art;}
.article-body ol li{counter-increment:art;}
.article-body ol li::before{
  content:counter(art);position:absolute;left:0;top:.35em;
  display:flex;align-items:center;justify-content:center;
  width:18px;height:18px;border-radius:6px;background:var(--bg-soft);color:var(--brand-1);
  font-size:11px;font-weight:700;font-family:var(--font-num);
}
.article-body blockquote{
  margin:1.6em 0;padding:20px 24px;background:var(--bg-soft);
  border-left:4px solid var(--brand-1);border-radius:0 var(--r-sm) var(--r-sm) 0;color:#223B37;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.6em auto;height:auto;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{text-align:center;font-size:12px;color:var(--muted);margin-top:10px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:14.5px;
  display:block;overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-sm);
}
.article-body thead th{background:var(--bg-soft);color:var(--ink);font-weight:600;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;white-space:nowrap;}
.article-body tbody tr:nth-child(even){background:#FBFDFC;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body pre{
  background:#0E1F1C;color:#DDEBE7;padding:20px 22px;border-radius:var(--r-sm);
  overflow-x:auto;font-family:var(--font-num);font-size:13.5px;line-height:1.7;margin:1.6em 0;
}
.article-body code{
  font-family:var(--font-num);font-size:13.5px;background:var(--bg-soft);
  color:#0B6A5F;padding:2px 7px;border-radius:6px;
}
.article-body pre code{background:transparent;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:2.2em 0;}

/* 空态 */
.empty-state{
  max-width:800px;margin:0 auto;text-align:center;padding:56px 24px;
  background:var(--bg);border:1px dashed var(--line);border-radius:var(--r-md);
}
.empty-state i{font-size:30px;color:var(--brand-1);}
.empty-state h2{font-size:20px;margin:16px 0 8px;}
.empty-state p{color:var(--muted);font-size:14.5px;margin-bottom:22px;}

/* ---------- 标签 ---------- */
.tag-block{max-width:800px;margin:40px auto 0;padding-top:26px;border-top:1px solid var(--line);}
.tag-block h3{font-size:14px;color:var(--muted);font-weight:600;margin-bottom:14px;letter-spacing:.02em;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--bg-soft);color:var(--brand-1);font-size:13px;font-weight:600;border:1px solid transparent;
}
.tag:hover{background:#fff;border-color:rgba(15,140,126,.35);color:var(--brand-2);}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:20px;position:sticky;top:96px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 22px 24px;box-shadow:var(--sh-1);
}
.side-card h3{
  font-size:15px;margin-bottom:14px;padding-left:12px;position:relative;
}
.side-card h3::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;border-radius:3px;background:var(--brand-grad);
}
.side-list li+li{border-top:1px dashed var(--line);}
.side-list a{display:flex;gap:12px;padding:12px 0;font-size:14px;color:var(--ink);line-height:1.6;}
.side-list a:hover{color:var(--brand-1);}
.side-list .idx{
  font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:13px;font-weight:700;
  color:var(--brand-1);flex:0 0 auto;
}
.side-list .idx.top{color:var(--accent);}
.side-cta{background:linear-gradient(160deg,#0F8C7E 0%,#2BB3A3 60%,#6F4BE0 140%);border:0;color:#fff;}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:rgba(255,255,255,.85);}
.side-cta p{font-size:13.5px;color:rgba(255,255,255,.86);margin-bottom:18px;line-height:1.7;}
.side-facts{display:flex;flex-direction:column;gap:10px;margin-bottom:18px;}
.side-facts div{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  background:rgba(255,255,255,.14);border-radius:12px;padding:9px 14px;font-size:12.5px;color:#fff;
}
.side-facts b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:15px;}

/* ---------- 相关推荐 ---------- */
.related{padding:0 0 var(--sp-section);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,28px);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.24em;width:8px;height:.9em;border-radius:3px;background:var(--brand-grad);
}
.section-head p{font-size:14px;color:var(--muted);margin:8px 0 0 16px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.card-thumb{border-radius:14px;overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft);}
.card-thumb img{width:100%;height:100%;object-fit:cover;}
.card-tag{
  align-self:flex-start;margin:16px 0 10px;display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--bg-soft);color:var(--brand-1);font-size:12px;font-weight:600;
}
.card h3{font-size:16.5px;line-height:1.5;margin-bottom:10px;}
.card h3 a{color:var(--ink);}
.card h3 a:hover{color:var(--brand-1);}
.card p{font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);
}
.card-foot .link-more{font-size:13px;}

/* ---------- 返回入口 ---------- */
.back-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;padding:0 0 var(--sp-section);}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sp-section);}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;background:var(--brand-grad);
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:var(--sh-2);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);box-shadow:0 0 0 46px rgba(255,255,255,.07),0 0 0 96px rgba(255,255,255,.05);
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);position:relative;z-index:1;}
.cta-card p{color:rgba(255,255,255,.88);font-size:14.5px;margin:12px 0 0;position:relative;z-index:1;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1F1C;color:#C7D6D2;padding:64px 0 26px;font-size:14px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{color:#9DB4AF;font-size:13.5px;line-height:1.8;margin:16px 0 0;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{color:#9DB4AF;font-size:13.5px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;color:#9DB4AF;font-size:13.5px;line-height:1.7;margin-bottom:12px;}
.footer-contact i{color:#2BB3A3;margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  padding-top:22px;font-size:12.5px;color:#7E938E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;flex-direction:row;flex-wrap:wrap;}
  .side-col>*{flex:1 1 300px;}
}
@media (max-width:1023px){
  :root{--sp-section:64px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .search-box{display:none;}
  .main-nav{
    position:fixed;top:0;right:0;z-index:75;width:min(320px,86vw);height:100vh;
    flex-direction:column;align-items:stretch;gap:0;margin:0;padding:84px 24px 32px;
    background:#fff;box-shadow:-24px 0 48px -28px rgba(16,52,46,.5);
    transform:translateX(102%);transition:transform .3s ease;overflow-y:auto;
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{padding:15px 0;font-size:16px;border-bottom:1px solid var(--line);min-height:44px;display:flex;align-items:center;}
  .main-nav a.is-active::after{display:none;}
  .main-nav a.is-active{color:var(--brand-1);}
  .nav-mask.is-open{display:block;}
  .article-shell{padding:36px 28px;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .nav-inner{gap:16px;}
  .brand{font-size:17px;}
  .article-hero{padding:40px 0 34px;}
  .article-shell{padding:26px 20px;border-radius:var(--r-md);}
  .card-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-card h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
}
@media (max-width:519px){
  .article-meta{gap:6px 16px;}
  .back-row .btn{width:100%;}
  .side-col>*{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .card:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-3:#2BB3A3;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --w-container:1200px;
  --font: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  --mono: ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-sm);}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-2);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
  outline:2px solid var(--brand-1);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-0.01em;color:var(--ink);}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;font-size:inherit;cursor:pointer;}
input,textarea{font-family:inherit;font-size:inherit;}
.sr-only{
  position:absolute;width:1px;height:1px;padding:0;margin:-1px;
  overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;
}
.container{width:100%;max-width:var(--w-container);margin:0 auto;padding:0 24px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,52,46,.25);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px -16px rgba(16,52,46,.42);}
.nav-inner{
  display:flex;align-items:center;gap:28px;
  min-height:70px;
  transition:min-height .25s ease;
}
.site-header.is-scrolled .nav-inner{min-height:60px;}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);
  letter-spacing:-0.01em;white-space:nowrap;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;flex:0 0 32px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:var(--brand-grad);
  color:#fff;font-size:14px;
  box-shadow:0 8px 18px -10px rgba(15,140,126,.7);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.main-nav a{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;
  border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);
}
.main-nav a:hover{color:var(--ink);background:var(--bg-soft);}
.main-nav a.is-active{color:var(--ink);font-weight:600;background:var(--bg-soft);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:3px;
  border-radius:3px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 16px;
  background:#F1F5F4;
  border:1px solid transparent;
  border-radius:999px;
  transition:background .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;
  width:168px;font-size:14px;color:var(--ink);
}
.search-box input::placeholder{color:#9AAfAB;}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(15,140,126,.12);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border:1px solid transparent;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .22s ease,background-color .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--brand-grad);
  color:#fff;
  box-shadow:0 12px 26px -14px rgba(15,140,126,.85);
}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 18px 34px -16px rgba(15,140,126,.9);}
.btn-ghost{
  background:#fff;border-color:var(--line);color:var(--ink);
}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);}
.btn-light{
  background:#fff;color:var(--brand-1);border-color:transparent;
  box-shadow:0 12px 26px -18px rgba(0,0,0,.4);
}
.btn-light:hover{color:var(--brand-2);}
.btn-outline-light{
  background:transparent;border-color:rgba(255,255,255,.6);color:#fff;
}
.btn-outline-light:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.12);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  background:none;border:0;padding:0;
  color:var(--brand-1);font-weight:600;font-size:15px;
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--brand-2);}
.btn-text:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--ink);font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}
.nav-mobile-foot{display:none;}

/* ---------- 首屏 ---------- */
.hero{
  position:relative;
  overflow:hidden;
  padding:88px 0 72px;
  background:
    linear-gradient(112deg,rgba(247,250,249,.97) 0%,rgba(234,244,241,.9) 48%,rgba(234,244,241,.62) 100%),
    url("/assets/images/backpic/back-2.webp") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero::after{
  content:"";
  position:absolute;right:-140px;top:-120px;
  width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle at 30% 30%,rgba(111,75,224,.16),rgba(15,140,126,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;max-width:860px;}
.breadcrumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:13px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .sep{color:#B6C6C2;}
.breadcrumb .current{color:var(--brand-1);font-weight:600;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;margin-bottom:18px;
  border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:13px;font-weight:600;color:var(--brand-1);
  box-shadow:var(--sh-1);
}
.hero h1{max-width:820px;}
.hero-lead{
  margin-top:20px;max-width:640px;
  font-size:17px;line-height:1.8;color:var(--muted);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero .badge-row{margin-top:34px;}

/* ---------- 数据徽章 ---------- */
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;
  height:44px;padding:0 18px;
  background:#fff;border:1px solid var(--line);
  border-radius:999px;box-shadow:var(--sh-1);
}
.stat-badge b{
  font-family:var(--mono);
  font-variant-numeric:tabular-nums;
  font-size:20px;font-weight:700;
  background:var(--brand-grad);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;
  letter-spacing:-0.02em;
}
.stat-badge span{font-size:13px;color:var(--muted);white-space:nowrap;}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.section-white{background:#fff;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .kicker{
  display:inline-block;width:40px;height:8px;border-radius:4px;
  background:var(--brand-grad);margin-bottom:16px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- 分栏布局 ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:290px 1fr;
  gap:52px;
  align-items:start;
}
.anchor-nav{
  position:sticky;top:96px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 20px;
  box-shadow:var(--sh-1);
}
.anchor-nav h3{
  font-size:14px;letter-spacing:.04em;color:var(--muted);
  font-weight:600;margin-bottom:14px;
}
.anchor-nav ul{display:flex;flex-direction:column;gap:4px;}
.anchor-nav a{
  display:flex;align-items:center;gap:10px;
  height:42px;padding:0 12px;border-radius:var(--r-xs);
  font-size:15px;color:var(--muted);
}
.anchor-nav a::before{
  content:"";width:6px;height:6px;border-radius:2px;
  background:var(--line);transition:background .2s ease;
}
.anchor-nav a:hover{background:var(--bg-soft);color:var(--ink);}
.anchor-nav a:hover::before{background:var(--brand-1);}
.anchor-nav .anchor-note{
  margin-top:18px;padding-top:16px;border-top:1px dashed var(--line);
  font-size:13px;color:var(--muted);line-height:1.7;
}

/* ---------- 交替图文 ---------- */
.feature-block{
  display:grid;grid-template-columns:1fr 1fr;
  gap:40px;align-items:center;
  padding:34px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  margin-bottom:28px;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.feature-block:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.feature-block.rev .feature-media{order:2;}
.feature-media{position:relative;}
.feature-media img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--r-sm);}
.feature-media .tag-float{
  position:absolute;left:14px;bottom:14px;
  display:inline-flex;align-items:center;gap:6px;
  height:30px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.94);
  font-size:12px;font-weight:600;color:var(--brand-1);
  box-shadow:0 8px 18px -10px rgba(16,52,46,.5);
}
.feature-body h2{font-size:clamp(21px,2.1vw,26px);margin-bottom:14px;}
.feature-body p{font-size:15px;color:var(--muted);}
.bullets{margin-top:18px;display:flex;flex-direction:column;gap:10px;}
.bullets li{
  position:relative;padding-left:22px;
  font-size:14.5px;color:var(--ink);line-height:1.75;
}
.bullets li::before{
  content:"";position:absolute;left:0;top:9px;
  width:9px;height:9px;border-radius:3px;
  background:var(--brand-grad);
}
.section-anchor{scroll-margin-top:100px;}

/* ---------- 速查卡 ---------- */
.check-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;
}
.check-card{
  padding:26px 24px;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.check-card .idx{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--bg-soft);color:var(--brand-1);
  font-family:var(--mono);font-weight:700;font-size:15px;
  margin-bottom:16px;
}
.check-card h3{font-size:18px;margin-bottom:10px;}
.check-card p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;gap:12px;align-items:flex-start;
  padding:16px 18px;margin-top:18px;
  background:rgba(242,169,59,.12);
  border-left:4px solid var(--accent);
  border-radius:var(--r-xs);
  font-size:14px;color:#6B5323;line-height:1.75;
}
.tip-bar i{color:var(--accent);margin-top:4px;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  padding:52px 48px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 28px 60px -30px rgba(15,140,126,.85);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;
  width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 0 0 40px rgba(255,255,255,.08),0 0 0 80px rgba(255,255,255,.05);
  pointer-events:none;
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,32px);margin-bottom:12px;position:relative;z-index:2;}
.cta-band p{color:rgba(255,255,255,.9);font-size:15px;margin:0;position:relative;z-index:2;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;flex:0 0 auto;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#0E1F1C;color:#C8D6D3;
  padding:72px 0 0;margin-top:0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:48px;
}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#9DB2AE;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:#9DB2AE;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9DB2AE;line-height:1.7;}
.footer-contact i{margin-top:5px;color:var(--brand-3);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:#7E9491;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .cat-layout{grid-template-columns:250px 1fr;gap:36px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-right .search-box{display:none;}
  .main-nav{
    position:fixed;left:0;right:0;top:70px;bottom:0;
    flex-direction:column;align-items:stretch;gap:6px;
    margin:0;padding:22px 24px 40px;
    background:#fff;overflow-y:auto;
    transform:translateX(100%);
    transition:transform .28s ease;
    z-index:70;
    border-top:1px solid var(--line);
  }
  .main-nav.is-open{transform:translateX(0);}
  .main-nav a{height:52px;padding:0 16px;border-radius:var(--r-xs);font-size:16px;}
  .main-nav a.is-active::after{display:none;}
  .nav-mobile-foot{
    display:flex;flex-direction:column;gap:14px;
    margin-top:18px;padding-top:20px;border-top:1px solid var(--line);
  }
  .nav-mobile-foot .search-box{width:100%;}
  .nav-mobile-foot .search-box input{width:100%;}
  .nav-mobile-foot .btn{width:100%;}
  .cat-layout{grid-template-columns:1fr;gap:28px;}
  .anchor-nav{position:static;}
  .anchor-nav ul{flex-direction:row;flex-wrap:wrap;}
  .anchor-nav a{height:38px;}
  .anchor-nav .anchor-note{display:none;}
  .check-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:40px 32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .hero{padding:56px 0 48px;}
  .nav-inner{min-height:64px;gap:16px;}
  .feature-block{grid-template-columns:1fr;gap:22px;padding:24px;}
  .feature-block.rev .feature-media{order:0;}
  .feature-media img{aspect-ratio:16/9;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:34px 24px;border-radius:var(--r-lg);}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{
    animation-duration:.001ms !important;
    animation-iteration-count:1 !important;
    transition-duration:.001ms !important;
    scroll-behavior:auto !important;
  }
}

/* roulang page: category2 */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-mid:#2BB3A3;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-input:12px;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --sp-section:88px;
  --container:1200px;
}
*,*::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","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",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:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-2);}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-0.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-1);
  background:var(--bg-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{font-size:11px;}
.title-bar{width:40px;height:8px;border-radius:4px;background:var(--brand-grad);margin-bottom:18px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,52,46,.25);
  transition:height .25s ease,box-shadow .25s ease;
}
.nav-inner{
  display:flex;align-items:center;gap:24px;
  height:70px;transition:height .25s ease;
}
.site-header.is-compact .nav-inner{height:60px;}
.site-header.is-compact{box-shadow:0 10px 26px -14px rgba(16,52,46,.4);}
.brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-0.01em;
  flex:none;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--brand-grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;box-shadow:0 6px 16px -8px rgba(15,140,126,.7);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.main-nav a{
  position:relative;color:var(--muted);font-size:15px;font-weight:500;
  padding:8px 14px;border-radius:999px;transition:color .2s ease,background .2s ease;
}
.main-nav a:hover{color:var(--brand-1);background:var(--bg-soft);}
.main-nav a.is-active{color:var(--brand-1);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-2px;width:26px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:12px;flex:none;}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F1F5F4;border:1px solid transparent;border-radius:999px;
  padding:0 14px;height:40px;transition:background .2s ease,border-color .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);}
.search-box i{color:var(--muted);font-size:13px;}
.search-box input{
  border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);
  width:150px;font-family:inherit;
}
.search-box input::placeholder{color:#93A5A2;}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,border-color .2s ease,color .2s ease,filter .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px -14px rgba(15,140,126,.85);}
.btn-primary:hover{filter:brightness(1.06);box-shadow:0 18px 34px -16px rgba(15,140,126,.9);color:#fff;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);}
.btn-light{background:#fff;color:var(--brand-1);box-shadow:0 12px 26px -18px rgba(0,0,0,.5);}
.btn-light:hover{color:var(--brand-2);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.7);color:#fff;}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1);
}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover i{transform:translateX(4px);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--muted);margin-bottom:18px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand-1);}
.crumb span.sep{color:#B9C7C4;}
.crumb span.current{color:var(--brand-1);font-weight:600;}

/* ---------- 内页 banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  background-image:linear-gradient(118deg,rgba(247,250,249,.96) 0%,rgba(234,244,241,.92) 52%,rgba(247,250,249,.88) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(15,140,126,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(15,140,126,.05) 1px,transparent 1px);
  background-size:48px 48px;pointer-events:none;
}
.banner-inner{position:relative;z-index:2;padding:72px 0 64px;max-width:820px;}
.page-banner h1{font-size:clamp(28px,4.2vw,46px);line-height:1.18;margin-bottom:18px;}
.page-banner .lead{font-size:17px;color:var(--muted);line-height:1.8;max-width:680px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.badge{
  display:inline-flex;align-items:center;gap:10px;
  border:1px solid var(--line);background:rgba(255,255,255,.86);
  border-radius:999px;padding:8px 18px;height:44px;
}
.badge b{
  font-size:22px;font-weight:700;font-variant-numeric:tabular-nums;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-0.02em;
}
.badge em{font-style:normal;font-size:13px;color:var(--muted);}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section.soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head h2{font-size:clamp(24px,3vw,34px);line-height:1.25;margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

/* ---------- 准备卡 ---------- */
.prep-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;gap:24px;}
.prep-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:14px;
}
.prep-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.prep-card .thumb{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;background:var(--bg-soft);}
.prep-card .thumb img{width:100%;height:100%;object-fit:cover;}
.prep-card h3{font-size:19px;line-height:1.4;}
.prep-card p{font-size:15px;color:var(--muted);line-height:1.75;margin:0;}
.prep-card .tag{
  align-self:flex-start;background:var(--bg-soft);color:var(--brand-1);
  border-radius:999px;padding:4px 12px;font-size:13px;font-weight:600;
}
.prep-lead{
  background:linear-gradient(160deg,#0F8C7E 0%,#1B9E8E 48%,#6F4BE0 130%);
  color:#fff;border:0;box-shadow:var(--sh-2);
}
.prep-lead h3{color:#fff;font-size:22px;}
.prep-lead p{color:rgba(255,255,255,.88);font-size:15px;}
.prep-lead .tag{background:rgba(255,255,255,.18);color:#fff;}
.prep-lead ul{display:grid;gap:10px;margin-top:4px;}
.prep-lead li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.92);align-items:flex-start;}
.prep-lead li i{color:#BFF3EA;margin-top:5px;font-size:12px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:26px;top:12px;bottom:40px;width:3px;border-radius:3px;
  background:var(--brand-grad);opacity:.85;
}
.step{position:relative;padding-left:88px;padding-bottom:36px;}
.step:last-child{padding-bottom:0;}
.step-node{
  position:absolute;left:0;top:0;width:54px;height:54px;border-radius:50%;
  background:#fff;border:2px solid var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;color:var(--brand-1);
  font-variant-numeric:tabular-nums;
  box-shadow:0 10px 24px -14px rgba(15,140,126,.8);
  z-index:2;
}
.step-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 28px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.step-body:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.step-head{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-bottom:12px;}
.step-head h3{font-size:20px;line-height:1.4;}
.step-head .chip{
  background:var(--bg-soft);color:var(--brand-1);border-radius:999px;
  font-size:12px;font-weight:600;padding:4px 12px;
}
.step-body p{font-size:15px;color:var(--muted);margin-bottom:14px;}
.step-points{display:grid;gap:8px;margin-bottom:16px;}
.step-points li{display:flex;gap:10px;font-size:14.5px;color:var(--ink);align-items:flex-start;}
.step-points li i{color:var(--brand-1);font-size:11px;margin-top:8px;}
.note{
  display:flex;gap:12px;align-items:flex-start;
  background:rgba(242,169,59,.12);border-left:4px solid var(--accent);
  border-radius:0 var(--r-sm) var(--r-sm) 0;padding:12px 16px;
  font-size:14px;color:#7A5410;line-height:1.7;
}
.note i{color:var(--accent);margin-top:4px;}

/* ---------- 状态卡 ---------- */
.state-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.state-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.state-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.state-card .icon{
  width:42px;height:42px;border-radius:12px;background:var(--bg-soft);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.state-card h3{font-size:17px;margin-bottom:8px;}
.state-card p{font-size:14px;color:var(--muted);margin:0;line-height:1.7;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  box-shadow:var(--sh-1);overflow:hidden;position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(15,140,126,.3);}
.faq-item.is-open{border-color:rgba(15,140,126,.45);box-shadow:var(--sh-2);}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand-grad);
  opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;text-align:left;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16.5px;font-weight:600;color:var(--ink);
  min-height:44px;
}
.faq-q i{color:var(--brand-1);font-size:14px;transition:transform .28s ease;flex:none;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sp-section);}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;
  background:var(--brand-grad);color:#fff;
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 24px 60px -30px rgba(15,140,126,.85);
}
.cta-card::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);
  box-shadow:0 0 0 34px rgba(255,255,255,.08),0 0 0 68px rgba(255,255,255,.05);
  pointer-events:none;
}
.cta-card h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.cta-card p{color:rgba(255,255,255,.9);font-size:15.5px;margin:0;max-width:560px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1F1C;color:#C6D5D2;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px;}
.footer-brand .brand{color:#fff;margin-bottom:16px;}
.footer-brand p{font-size:14px;color:#9DB2AE;line-height:1.8;margin:0;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{color:#9DB2AE;font-size:14px;display:inline-flex;align-items:center;min-height:24px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#9DB2AE;line-height:1.7;align-items:flex-start;}
.footer-contact i{color:var(--brand-mid);margin-top:6px;font-size:12px;flex:none;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8398 95;color:#839895;
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  :root{--sp-section:72px;}
  .prep-grid{grid-template-columns:1fr 1fr;}
  .prep-lead{grid-column:span 2;}
  .state-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .search-box{display:none;}
  .main-nav{
    position:fixed;top:70px;left:0;right:0;bottom:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:18px 24px 40px;margin:0;overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity .24s ease,transform .24s ease,visibility .24s;
    box-shadow:0 24px 40px -24px rgba(16,52,46,.4);
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .main-nav a{padding:14px 6px;border-radius:12px;font-size:16px;border-bottom:1px solid var(--line);}
  .main-nav a.is-active::after{display:none;}
  .main-nav a.is-active{background:var(--bg-soft);padding-left:14px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  :root{--sp-section:48px;}
  .container{padding:0 16px;}
  .banner-inner{padding:48px 0 44px;}
  .prep-grid{grid-template-columns:1fr;}
  .prep-lead{grid-column:span 1;}
  .state-grid{grid-template-columns:1fr;}
  .step{padding-left:64px;}
  .step-node{width:44px;height:44px;font-size:15px;}
  .timeline::before{left:21px;}
  .step-body{padding:22px 20px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a-inner{padding:0 18px 18px;}
  .cta-card{padding:32px 24px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;justify-content:center;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-col ul{max-height:none;}
}
@media (max-width:479px){
  .badge{width:100%;justify-content:flex-start;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --danger:#D9534F;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --sec:88px;
  --font-cn:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
body.nav-open{overflow:hidden}
img{max-width:100%;display:block;border-radius:var(--r-sm)}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease}
a:visited{color:var(--brand-1)}
a:hover{color:#0b6b60}
button{font:inherit;color:inherit;cursor:pointer;border:0;background:none}
input,textarea,select{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;color:var(--ink)}
h1{font-size:clamp(30px,4.6vw,50px);line-height:1.16;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:700}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{position:absolute;left:16px;top:-60px;z-index:200;background:#fff;color:var(--brand-1);padding:10px 18px;border-radius:var(--r-pill);box-shadow:var(--sh-1);transition:top .2s ease}
.skip-link:focus{top:12px}

/* ---------- 容器与通用 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head .title-wrap{max-width:680px}
.section-head p{color:var(--muted);font-size:15px;margin:10px 0 0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand-1);background:var(--bg-soft);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:18px;letter-spacing:.02em}
.eyebrow::before{content:"";width:16px;height:8px;border-radius:2px;background:var(--brand-grad)}
.grad-bar{display:block;width:40px;height:8px;border-radius:3px;background:var(--brand-grad);margin-bottom:16px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1;white-space:nowrap;transition:transform .2s ease,box-shadow .25s ease,background .25s ease,color .2s ease,border-color .2s ease}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px -14px rgba(15,140,126,.75)}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 16px 32px -16px rgba(15,140,126,.85)}
.btn-ghost{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-ghost:hover{color:var(--brand-1);border-color:var(--brand-1)}
.btn-light{background:#fff;color:var(--brand-1)}
.btn-light:hover{color:var(--brand-1);background:#F2FBF9}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55)}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff}
.btn-sm{height:42px;padding:0 20px;font-size:14px}
.btn-block{width:100%}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-1)}
.text-link i{transition:transform .2s ease}
.text-link:hover i{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.97);backdrop-filter:blur(10px);border-bottom:1px solid var(--line);box-shadow:0 6px 18px -14px rgba(16,52,46,.25);transition:box-shadow .25s ease}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px;transition:height .25s ease}
.site-header.is-scrolled .nav-inner{height:60px}
.site-header.is-scrolled{box-shadow:0 12px 28px -18px rgba(16,52,46,.4)}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em}
.brand:visited{color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{width:30px;height:30px;border-radius:9px;background:var(--brand-grad);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:14px;box-shadow:0 8px 18px -10px rgba(15,140,126,.9)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto}
.main-nav a{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;font-weight:500;color:var(--ink)}
.main-nav a:hover{color:var(--brand-1);background:var(--bg-soft)}
.main-nav a.is-active{color:var(--brand-1);font-weight:600;background:var(--bg-soft)}
.main-nav a.is-active::after{content:"";position:absolute;left:14px;right:14px;bottom:-1px;height:3px;border-radius:3px;background:var(--brand-grad)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:var(--r-pill);background:#F1F5F4;border:1px solid transparent;transition:background .2s ease,border-color .2s ease,box-shadow .2s ease}
.search-box i{color:var(--muted);font-size:13px}
.search-box input{width:170px;border:0;background:transparent;outline:none;font-size:14px}
.search-box input::placeholder{color:#93A9A5}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(15,140,126,.12)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:var(--r-pill);border:1px solid var(--line);align-items:center;justify-content:center;color:var(--ink);background:#fff}
.nav-toggle:hover{color:var(--brand-1);border-color:var(--brand-1)}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;flex-wrap:wrap}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:#B7C7C4}
.breadcrumb .current{color:var(--brand-1);font-weight:600}

/* ---------- 首屏 ---------- */
.page-hero{position:relative;overflow:hidden;padding:48px 0 56px;background:radial-gradient(900px 420px at 12% -10%,#E6F5F1 0%,rgba(247,250,249,0) 70%),linear-gradient(180deg,#F7FAF9 0%,#FFFFFF 100%)}
.page-hero::before{content:"";position:absolute;inset:0;pointer-events:none;background-image:linear-gradient(rgba(15,140,126,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(15,140,126,.07) 1px,transparent 1px);background-size:48px 48px;-webkit-mask-image:radial-gradient(620px 340px at 18% 0%,#000,transparent 72%);mask-image:radial-gradient(620px 340px at 18% 0%,#000,transparent 72%)}
.page-hero .container{position:relative;z-index:1}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);gap:44px;align-items:start}
.hero-copy h1{margin-bottom:16px}
.hero-copy .lead{font-size:17px;color:var(--muted);max-width:620px;margin-bottom:24px}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.badge{display:inline-flex;align-items:center;gap:10px;height:44px;padding:0 18px;border:1px solid var(--line);border-radius:var(--r-pill);background:#fff;box-shadow:var(--sh-1)}
.badge b{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:20px;font-weight:700;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;line-height:1}
.badge span{font-size:13px;color:var(--muted);white-space:nowrap}
.hero-side{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px;display:flex;flex-direction:column;gap:16px}
.hero-side img{border-radius:var(--r-sm);aspect-ratio:16/9;object-fit:cover;width:100%}
.hero-side h3{font-size:17px}
.hero-side p{font-size:14px;color:var(--muted);margin:0}
.hero-side ul{display:grid;gap:10px}
.hero-side li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:var(--muted)}
.hero-side li i{color:var(--brand-1);margin-top:6px;font-size:12px}

/* ---------- 筛选胶囊 ---------- */
.chip-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:36px;padding-top:26px;border-top:1px dashed var(--line)}
.chip{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line);background:#fff;font-size:14px;color:var(--muted);transition:all .22s ease}
.chip:hover{color:var(--brand-1);border-color:rgba(15,140,126,.4);transform:translateY(-2px)}
.chip.is-active{background:var(--brand-grad);border-color:transparent;color:#fff;box-shadow:0 10px 22px -14px rgba(15,140,126,.8)}
.chip i{font-size:12px}

/* ---------- 自查步骤 ---------- */
.steps-band{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.steps-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:22px}
.step-card{position:relative;background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);padding:24px 22px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3)}
.step-card .num{font-family:var(--font-num);font-size:36px;font-weight:800;line-height:1;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;display:block;margin-bottom:14px}
.step-card h3{font-size:17px;margin-bottom:8px}
.step-card p{font-size:14px;color:var(--muted);margin:0}
.step-card::after{content:"\f061";font-family:"Font Awesome 6 Free";font-weight:900;position:absolute;right:-16px;top:50%;transform:translateY(-50%);color:#C6D8D4;font-size:12px}
.step-card:last-child::after{display:none}

/* ---------- FAQ 主体 ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:44px;align-items:start}
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:20px}
.group-head h2{font-size:22px;position:relative;padding-left:16px}
.group-head h2::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:8px;height:22px;border-radius:3px;background:var(--brand-grad)}
.group-line{flex:1;height:1px;background:var(--line)}
.group-count{font-size:13px;color:var(--muted);white-space:nowrap}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px}
.faq-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease}
.faq-card:hover{border-color:rgba(15,140,126,.3);box-shadow:var(--sh-2)}
.faq-q{width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:14px;text-align:left;padding:20px 20px;font-size:16px;font-weight:600;line-height:1.5;color:var(--ink)}
.faq-q:hover{color:var(--brand-1)}
.faq-q i{color:var(--brand-1);font-size:13px;transition:transform .3s ease;margin-top:5px;flex:0 0 auto}
.faq-card.is-open .faq-q i{transform:rotate(180deg)}
.faq-card.is-open{border-color:rgba(15,140,126,.35)}
.faq-card.is-open .faq-q{color:var(--brand-1)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 20px 20px;font-size:14.5px;color:var(--muted);position:relative;padding-left:20px;border-left:3px solid transparent}
.faq-card.is-open .faq-a p{border-left-color:var(--brand-1);margin-left:20px;padding-left:16px;padding-right:20px}

/* ---------- 侧栏 ---------- */
.faq-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);padding:22px}
.side-card > img{aspect-ratio:16/9;object-fit:cover;width:100%;margin-bottom:16px}
.side-card h3{font-size:18px;margin-bottom:10px}
.side-card p{font-size:14px;color:var(--muted);margin-bottom:14px}
.side-list{display:grid;gap:10px;margin-bottom:18px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--muted)}
.side-list i{color:var(--brand-1);font-size:12px;margin-top:6px}

/* ---------- 表单 ---------- */
.form-card{padding:24px 22px}
.form-field{position:relative;margin-bottom:16px}
.form-field input,.form-field textarea{width:100%;border:1px solid var(--line);border-radius:var(--r-xs);background:#FBFDFC;padding:22px 14px 8px;font-size:14.5px;outline:none;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.form-field textarea{min-height:112px;resize:vertical;padding-top:24px}
.form-field label{position:absolute;left:15px;top:15px;font-size:14px;color:#93A9A5;pointer-events:none;transition:all .18s ease}
.form-field input:focus,.form-field textarea:focus{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 3px rgba(15,140,126,.14)}
.form-field input:focus + label,
.form-field textarea:focus + label,
.form-field input:not(:placeholder-shown) + label,
.form-field textarea:not(:placeholder-shown) + label{top:6px;font-size:11.5px;color:var(--brand-1);letter-spacing:.02em}
.form-field.has-error input,.form-field.has-error textarea{border-color:var(--danger);background:#FEF8F8}
.form-error{display:block;font-size:12px;color:var(--danger);margin-top:6px}
.form-note{font-size:12.5px;color:var(--muted);margin-top:12px;line-height:1.6}
.form-success{display:flex;gap:10px;align-items:flex-start;background:var(--bg-soft);border:1px solid rgba(15,140,126,.28);color:#0b6b60;border-radius:var(--r-xs);padding:14px 16px;font-size:14px;margin-bottom:18px}
.form-success i{margin-top:5px}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sec)}
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--brand-grad);color:#fff;padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;box-shadow:0 28px 60px -30px rgba(15,140,126,.75)}
.cta-card::before{content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;border:1px solid rgba(255,255,255,.28)}
.cta-card::after{content:"";position:absolute;right:-30px;bottom:-140px;width:260px;height:260px;border-radius:50%;border:1px solid rgba(255,255,255,.2)}
.cta-copy{position:relative;z-index:1;max-width:640px}
.cta-copy h2{color:#fff;margin-bottom:12px}
.cta-copy p{color:rgba(255,255,255,.88);font-size:15px;margin:0}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1F1C;color:#C9D8D5;padding:60px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:34px}
.footer-brand .brand{color:#fff;font-size:18px;margin-bottom:14px}
.footer-brand p{font-size:14px;color:#9FB6B2;max-width:320px;margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-col ul{display:grid;gap:11px}
.footer-col a{color:#C9D8D5;font-size:14px}
.footer-col a:hover{color:#7FE3D3}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#C9D8D5;line-height:1.6}
.footer-contact i{color:#7FE3D3;margin-top:5px;font-size:13px}
.footer-bottom{display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);margin-top:38px;padding-top:22px;font-size:13px;color:#8FA5A1}

/* ---------- 响应式 ---------- */
@media (max-width:1079px){
  .nav-toggle{display:inline-flex}
  .search-box{display:none}
  .main-nav{position:fixed;top:0;left:0;right:0;bottom:0;z-index:90;background:#fff;flex-direction:column;align-items:stretch;gap:6px;padding:96px 24px 32px;margin:0;transform:translateY(-12px);opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;overflow-y:auto}
  .main-nav.is-open{transform:none;opacity:1;pointer-events:auto}
  .main-nav a{height:auto;padding:16px 14px;font-size:17px;border-radius:var(--r-xs);border-bottom:1px solid var(--line)}
  .main-nav a.is-active::after{display:none}
  .nav-right{position:relative;z-index:95}
  .faq-layout{grid-template-columns:minmax(0,1fr)}
  .faq-side{position:static}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
}
@media (max-width:900px){
  :root{--sec:64px}
  .steps-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-card::after{display:none}
  .faq-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .cta-card{flex-direction:column;align-items:flex-start;padding:40px 30px}
}
@media (max-width:767px){
  :root{--sec:48px}
  .container{padding:0 16px}
  .page-hero{padding:34px 0 40px}
  .hero-copy .lead{font-size:16px}
  .badge{height:42px;padding:0 14px}
  .badge b{font-size:18px}
  .chip-bar{margin-top:26px;padding-top:20px}
  .group-head h2{font-size:20px}
  .cta-card{border-radius:var(--r-lg)}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .footer-col ul{gap:6px}
  .footer-col a{display:block;padding:8px 0;min-height:40px;line-height:1.6}
}
@media (max-width:520px){
  .steps-grid{grid-template-columns:minmax(0,1fr)}
  .nav-right .btn-primary{padding:0 16px;height:40px;font-size:13.5px}
  .brand{font-size:16.5px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
  .step-card:hover,.card:hover,.chip:hover{transform:none}
}

/* roulang page: category4 */
:root{
  --brand-1:#0F8C7E;
  --brand-2:#6F4BE0;
  --brand-grad:linear-gradient(118deg,#0F8C7E 0%,#2BB3A3 46%,#6F4BE0 100%);
  --accent:#F2A93B;
  --ink:#12211F;
  --muted:#5C706D;
  --line:#E3EBE8;
  --bg:#F7FAF9;
  --bg-soft:#EAF4F1;
  --card:#FFFFFF;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-xs:12px;
  --sh-1:0 1px 2px rgba(16,52,46,.04),0 10px 28px -14px rgba(16,52,46,.16);
  --sh-2:0 18px 44px -18px rgba(16,52,46,.28);
  --container:1200px;
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand-1);text-decoration:none;transition:color .2s ease;}
a:visited{color:var(--brand-1);}
a:hover{color:#0b6f64;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand-1);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 6px 18px -14px rgba(16,52,46,.25);
  transition:box-shadow .25s ease;
}
.site-header.is-compact{box-shadow:0 10px 26px -16px rgba(16,52,46,.38);}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;transition:height .25s ease;}
.site-header.is-compact .nav-inner{height:60px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);letter-spacing:-.01em;}
.brand:visited{color:var(--ink);}
.brand:hover{color:var(--brand-1);}
.brand-mark{
  width:32px;height:32px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand-grad);color:#fff;font-size:15px;flex:0 0 auto;
  box-shadow:0 6px 16px -8px rgba(15,140,126,.9);
}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;}
.main-nav a{
  position:relative;display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:15px;color:#31443F;font-weight:500;
}
.main-nav a:visited{color:#31443F;}
.main-nav a:hover{color:var(--brand-1);background:#F1F6F4;}
.main-nav a.is-active{color:var(--brand-1);font-weight:600;background:var(--bg-soft);}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;border-radius:3px;background:var(--brand-grad);
}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.search-box{
  display:flex;align-items:center;gap:8px;height:42px;padding:0 16px;border-radius:999px;
  background:#F1F5F4;border:1px solid transparent;transition:.2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand-1);box-shadow:0 0 0 4px rgba(15,140,126,.10);}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{width:168px;border:none;background:transparent;outline:none;font-size:14px;}
.search-box input::placeholder{color:#94A6A2;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  color:var(--ink);font-size:16px;align-items:center;justify-content:center;background:#fff;
}
.nav-toggle:hover{border-color:var(--brand-1);color:var(--brand-1);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;transition:transform .18s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--brand-grad);color:#fff;box-shadow:0 12px 26px -14px rgba(15,140,126,.9);}
.btn-primary:visited{color:#fff;}
.btn-primary:hover{color:#fff;filter:brightness(1.06);box-shadow:0 18px 34px -14px rgba(15,140,126,.95);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--ink);}
.btn-ghost:visited{color:var(--ink);}
.btn-ghost:hover{border-color:var(--brand-1);color:var(--brand-1);}
.btn-light{background:#fff;color:var(--brand-1);}
.btn-light:visited{color:var(--brand-1);}
.btn-light:hover{color:#0b6f64;box-shadow:0 12px 26px -14px rgba(0,0,0,.35);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn-outline-light:visited{color:#fff;}
.btn-outline-light:hover{color:#fff;background:rgba(255,255,255,.14);border-color:#fff;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand-1);}
.link-more i{transition:transform .2s ease;}
.link-more:hover i{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:var(--sec) 0;}
.section-soft{background:var(--bg-soft);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-title{font-size:clamp(24px,3vw,34px);line-height:1.25;position:relative;padding-top:16px;}
.section-title::before{
  content:"";position:absolute;top:0;left:0;width:40px;height:8px;border-radius:4px;background:var(--brand-grad);
}
.section-sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--bg-soft);color:var(--brand-1);font-size:13px;font-weight:600;
}
.tag-accent{background:rgba(242,169,59,.14);color:#9A6407;}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--muted);}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:#C3D2CE;}

/* ============ 面包屑 ============ */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand-1);}
.breadcrumb .current{color:var(--brand-1);font-weight:600;}
.breadcrumb i{font-size:10px;color:#B7C6C2;}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  padding:56px 0 72px;
  background:
    radial-gradient(900px 420px at 12% -10%,rgba(43,179,163,.16),transparent 62%),
    radial-gradient(760px 400px at 88% 0%,rgba(111,75,224,.12),transparent 60%),
    #fff;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.5;
  background-image:linear-gradient(rgba(16,52,46,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(16,52,46,.045) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 82%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 82%);
}
.hero-grid{position:relative;display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:48px;align-items:center;}
.hero-title{font-size:clamp(30px,4.6vw,46px);line-height:1.16;letter-spacing:-.01em;margin-bottom:18px;}
.hero-title em{font-style:normal;background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.badge-row{display:flex;flex-wrap:wrap;gap:12px;}
.stat-badge{
  display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 18px;
  border:1px solid var(--line);border-radius:999px;background:#fff;box-shadow:var(--sh-1);
}
.stat-badge b{
  font-size:24px;line-height:1;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
  background:var(--brand-grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-badge span{font-size:13px;color:var(--muted);white-space:nowrap;}
.hero-media{position:relative;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);}
.hero-media img{width:100%;height:380px;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(140deg,rgba(15,140,126,.34),rgba(111,75,224,.24) 60%,rgba(15,140,126,.06));
}
.hero-float{
  position:absolute;right:18px;bottom:18px;z-index:2;background:rgba(255,255,255,.95);
  border-radius:var(--r-sm);padding:14px 18px;box-shadow:var(--sh-2);backdrop-filter:blur(6px);
}
.hero-float .k{font-size:12px;color:var(--muted);display:block;}
.hero-float .v{font-size:18px;font-weight:700;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-float .v i{color:var(--accent);font-size:14px;margin-right:4px;}

/* ============ 精选大卡 ============ */
.feature-card{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);transition:.25s ease;
}
.feature-card:hover{box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);transform:translateY(-4px);}
.feature-media{position:relative;min-height:320px;}
.feature-media img{width:100%;height:100%;object-fit:cover;}
.feature-media .tag{position:absolute;left:20px;top:20px;background:#fff;box-shadow:var(--sh-1);}
.feature-body{padding:38px 40px;display:flex;flex-direction:column;justify-content:center;}
.feature-body h3{font-size:clamp(20px,2.2vw,26px);line-height:1.35;margin:14px 0 14px;}
.feature-body p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ============ 卡片网格 ============ */
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(15,140,126,.3);}
.card-media{overflow:hidden;}
.card-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.card:hover .card-media img{transform:scale(1.03);}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:visited{color:var(--ink);}
.card-body h3 a:hover{color:var(--brand-1);}
.card-text{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--line);}
.card-foot .enter{font-size:14px;font-weight:600;color:var(--brand-1);display:inline-flex;align-items:center;gap:6px;}
.card-foot .enter i{transition:transform .2s ease;}
.card:hover .card-foot .enter i{transform:translateX(4px);}

/* ============ 横向长卡 ============ */
.wide-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;margin-top:24px;}
.card-wide{flex-direction:row;align-items:stretch;}
.card-wide .card-media{flex:0 0 40%;}
.card-wide .card-media img{height:100%;aspect-ratio:auto;min-height:180px;}
.card-wide .card-body{padding:22px 24px;}
.card-wide .card-text{-webkit-line-clamp:2;}

/* ============ 分页 ============ */
.pager-wrap{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;margin-top:44px;}
.pager{display:flex;align-items:center;gap:8px;}
.pager-item{
  display:inline-flex;align-items:center;justify-content:center;min-width:44px;height:44px;padding:0 14px;
  border-radius:12px;border:1px solid var(--line);background:#fff;font-size:14px;font-weight:600;color:var(--muted);
}
.pager-item.is-current{background:var(--brand-grad);color:#fff;border-color:transparent;box-shadow:0 12px 24px -14px rgba(15,140,126,.9);}
.pager-item.is-disabled{opacity:.45;cursor:not-allowed;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px;max-width:920px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(15,140,126,.35);box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;gap:14px;
  padding:20px 24px;font-size:16px;font-weight:600;color:var(--ink);position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;background:var(--brand-grad);
  opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .qi{
  margin-left:auto;width:28px;height:28px;border-radius:50%;background:var(--bg-soft);color:var(--brand-1);
  display:inline-flex;align-items:center;justify-content:center;font-size:12px;transition:transform .25s ease;
}
.faq-item[open] summary .qi{transform:rotate(90deg);}
.faq-answer{padding:0 24px 22px 24px;color:var(--muted);font-size:15px;}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:28px;background:var(--brand-grad);
  padding:52px 56px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:0 26px 60px -30px rgba(15,140,126,.9);
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(255,255,255,.28);box-shadow:0 0 0 60px rgba(255,255,255,.08);
}
.cta-copy{position:relative;z-index:2;color:#fff;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.86);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}

/* ============ 页脚 ============ */
.site-footer{background:#0E1F1C;color:#C6D6D2;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand .brand{color:#fff;font-size:17px;margin-bottom:14px;}
.footer-brand .brand:visited{color:#fff;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand p{color:#93A8A3;font-size:14px;max-width:330px;margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul{display:grid;gap:2px;}
.footer-col li a{display:inline-flex;align-items:center;min-height:44px;color:#A9BDB8;font-size:14px;}
.footer-col li a:visited{color:#A9BDB8;}
.footer-col li a:hover{color:#fff;}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#A9BDB8;padding:8px 0;}
.footer-contact li i{color:var(--accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#869B96;
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--sec:72px;}
  .hero-grid{gap:36px;}
}
@media (max-width:1023px){
  :root{--sec:64px;}
  .search-box{display:none;}
  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;margin:0;
    background:#fff;padding:16px 24px 24px;
    border-bottom:1px solid var(--line);box-shadow:0 24px 40px -24px rgba(16,52,46,.45);
    transform:translateY(-10px);opacity:0;visibility:hidden;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
    max-height:calc(100vh - 60px);overflow-y:auto;
  }
  .main-nav.is-open{transform:translateY(0);opacity:1;visibility:visible;pointer-events:auto;}
  .main-nav a{height:48px;border-radius:12px;font-size:16px;}
  .main-nav a.is-active::after{display:none;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-media img{height:300px;}
  .feature-card{grid-template-columns:1fr;}
  .feature-media{min-height:240px;}
  .wide-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-band{padding:40px 32px;border-radius:24px;}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .container{padding:0 16px;}
  .page-hero{padding:32px 0 48px;}
  .card-grid{grid-template-columns:1fr;gap:18px;}
  .wide-grid{gap:18px;margin-top:18px;}
  .card-wide{flex-direction:column;}
  .card-wide .card-media{flex:none;}
  .card-wide .card-media img{aspect-ratio:16/9;min-height:0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px;}
  .feature-body{padding:26px 22px;}
  .badge-row{gap:10px;}
  .stat-badge{height:44px;padding:0 14px;}
  .stat-badge b{font-size:20px;}
  .hero-media img{height:230px;}
  .faq-list{max-width:none;}
  .footer-grid{grid-template-columns:1fr;gap:8px;padding-bottom:28px;}
  .footer-col h4{margin-bottom:6px;}
  .pager-wrap{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-title{font-size:28px;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .cta-band{padding:32px 22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .card-body{padding:18px 18px 20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important;scroll-behavior:auto!important;}
  .card:hover,.card:hover .card-media img{transform:none;}
}