/* roulang page: index */
:root{
  --brand:#0B6B63;
  --brand-dark:#0A4A45;
  --brand-deep:#083733;
  --accent:#FF6A3D;
  --accent-dark:#E85526;
  --mint:#8FD3CB;
  --mint-soft:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --ink:#12211F;
  --ink-2:#4A5B58;
  --ink-3:#8A9894;
  --line:rgba(11,107,99,.10);
  --line-soft:rgba(11,107,99,.06);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-1:0 2px 10px rgba(16,32,31,.05);
  --sh-2:0 8px 24px rgba(16,32,31,.07);
  --sh-3:0 16px 40px rgba(16,32,31,.10);
  --container:1240px;
  --gutter:32px;
  --sec-gap:96px;
}
*,*::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","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font:inherit;color:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1,h2,h3,h4{font-weight:800;line-height:1.35;letter-spacing:.2px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--gutter);}

/* ---------- buttons ---------- */
.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:700;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.24);}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(255,106,61,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(11,107,99,.22);}
.btn-brand:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-ghost:hover{background:var(--mint-soft);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}
.btn[disabled]{opacity:.5;pointer-events:none;}

.link-quiet{font-size:14px;font-weight:600;color:var(--ink-2);}
.link-quiet:hover{color:var(--brand);}
.link-more{font-size:14px;font-weight:700;color:var(--brand);border-bottom:1.5px solid var(--mint);padding-bottom:2px;}
.link-more:hover{color:var(--brand-dark);border-color:var(--brand-dark);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:var(--mint-soft);color:var(--brand-dark);
  border-radius:var(--r-badge);font-size:13px;font-weight:600;line-height:1;
}
.badge-accent{background:rgba(255,106,61,.12);color:#C43F14;}
.badge-outline{background:transparent;border:1px solid var(--line);color:var(--ink-2);}
.badge-row{display:flex;flex-wrap:wrap;gap:8px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.scrolled{box-shadow:var(--sh-2);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(140deg,var(--brand) 0%,#128d82 100%);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;display:block;}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.brand:hover .brand-text{color:var(--brand-dark);}
.main-nav{display:flex;align-items:center;gap:24px;flex:1;justify-content:flex-end;}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  display:inline-flex;align-items:center;height:68px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--ink-2);position:relative;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:2px;
  background:var(--brand);transform:scaleX(0);transform-origin:center;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px;padding:0;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 64px;background:var(--bg);}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center right;
  opacity:.07;pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(143,211,203,.35) 0%,rgba(143,211,203,0) 70%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);margin-bottom:18px;}
.hero-eyebrow i{display:block;width:6px;height:6px;border-radius:50%;background:var(--accent);}
.hero-title{font-size:clamp(28px,4vw,44px);line-height:1.3;color:var(--ink);}
.hero-title em{font-style:normal;color:var(--brand);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-media{position:relative;}
.hero-media .frame{
  position:relative;border-radius:var(--r-card);overflow:hidden;background:var(--mint-soft);
  aspect-ratio:16/11;box-shadow:var(--sh-3);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-float{
  position:absolute;left:-22px;bottom:26px;background:#fff;border-radius:var(--r-card);
  padding:16px 20px;box-shadow:var(--sh-3);border:1px solid var(--line);min-width:170px;
}
.hero-float strong{display:block;font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;}
.hero-float span{font-size:13px;color:var(--ink-3);}
.trust-bar{
  position:relative;z-index:2;margin-top:48px;padding-top:24px;border-top:1px solid var(--line);
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
}
.trust-item{display:flex;align-items:center;gap:10px;font-size:14px;font-weight:600;color:var(--ink-2);}
.trust-item i{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;background:var(--mint-soft);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.trust-item i svg{width:14px;height:14px;}

/* ---------- sections ---------- */
.section{padding:var(--sec-gap) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-mint{background:var(--mint-soft);}
.section-dark{background:var(--brand-deep);color:#E8F1EF;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--brand);margin-bottom:12px;}
.section-title{font-size:clamp(24px,3vw,30px);position:relative;padding-left:16px;color:var(--ink);}
.section-title::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:2px;background:var(--brand);
}
.section-title::after{
  content:"";position:absolute;left:6px;top:calc(.28em - 9px);width:7px;height:7px;border-radius:50%;background:var(--mint);
}
.section-desc{margin-top:12px;font-size:15px;color:var(--ink-2);max-width:720px;}
.section-dark .section-title{color:#fff;}
.section-dark .section-title::before{background:var(--mint);}
.section-dark .section-desc{color:rgba(232,241,239,.78);}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;position:relative;}
.step-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
  display:flex;flex-direction:column;min-height:236px;
}
.step-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-num{
  font-size:38px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1.6px var(--mint);
  margin-bottom:18px;
}
.step-card:nth-child(1) .step-num{-webkit-text-stroke-color:var(--accent);}
.step-title{font-size:19px;margin-bottom:10px;color:var(--ink);}
.step-text{font-size:15px;color:var(--ink-2);line-height:1.8;flex:1;}

/* ---------- kpi ---------- */
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
}
.kpi-value{font-size:30px;font-weight:800;color:var(--brand);line-height:1.2;}
.kpi-value small{font-size:15px;font-weight:700;margin-left:2px;}
.kpi-label{margin-top:8px;font-size:14px;font-weight:700;color:var(--ink);}
.kpi-note{margin-top:6px;font-size:13px;color:var(--ink-3);line-height:1.7;}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:1.25fr 1fr;gap:24px;}
.case-main{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.case-main:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.case-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--mint-soft);}
.case-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.case-main:hover .case-media img{transform:scale(1.03);}
.case-body{padding:26px 28px 28px;display:flex;flex-direction:column;gap:12px;flex:1;}
.case-title{font-size:21px;color:var(--ink);}
.case-text{font-size:15px;color:var(--ink-2);line-height:1.8;}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.case-card{
  display:grid;grid-template-columns:132px 1fr;gap:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.case-card .thumb{aspect-ratio:4/3;height:100%;background:var(--mint-soft);overflow:hidden;}
.case-card .thumb img{width:100%;height:100%;object-fit:cover;}
.case-card .txt{padding:20px;display:flex;flex-direction:column;gap:10px;}
.case-card h3{font-size:17px;color:var(--ink);}
.case-card p{font-size:14px;color:var(--ink-2);line-height:1.75;}

/* ---------- posts (CMS) ---------- */
.post-feature{
  display:grid;grid-template-columns:1.1fr 1fr;gap:0;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-1);margin-bottom:24px;
  transition:transform .18s ease,box-shadow .18s ease;
}
.post-feature:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-feature .thumb{aspect-ratio:16/10;background:var(--mint-soft);overflow:hidden;}
.post-feature .thumb img{width:100%;height:100%;object-fit:cover;}
.post-feature .txt{padding:30px 32px;display:flex;flex-direction:column;gap:14px;justify-content:center;}
.post-feature h3{font-size:22px;color:var(--ink);}
.post-feature p{font-size:15px;color:var(--ink-2);line-height:1.8;}
.post-feature:hover h3{color:var(--brand-dark);}
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.post-row{
  display:flex;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;align-items:flex-start;
}
.post-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.post-thumb{
  width:84px;height:63px;flex-shrink:0;border-radius:var(--r-img);overflow:hidden;
  background:var(--mint-soft);
}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px;}
.post-title{
  font-size:15px;font-weight:700;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-row:hover .post-title{color:var(--brand-dark);}
.post-summary{
  font-size:13px;color:var(--ink-2);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--ink-3);}
.post-meta .arrow{color:var(--brand);transition:transform .18s ease;font-weight:700;}
.post-row:hover .post-meta .arrow{transform:translateX(4px);}
.empty-state{
  border:1.5px dashed rgba(11,107,99,.28);border-radius:var(--r-card);
  padding:52px 24px;text-align:center;background:#fff;
}
.empty-state svg{width:38px;height:38px;color:var(--mint);margin:0 auto 14px;}
.empty-state p{font-size:15px;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:940px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 26px;background:none;border:0;text-align:left;
  font-size:16.5px;font-weight:700;color:var(--ink);min-height:44px;
  transition:background-color .18s ease;
}
.faq-q:hover{background:var(--mint-soft);}
.faq-arrow{flex-shrink:0;width:22px;height:22px;color:var(--brand);transition:transform .2s ease;}
.faq-item.open .faq-arrow{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease;}
.faq-a p{padding:0 26px 24px;font-size:15px;color:var(--ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{padding:64px 0;background:var(--brand-dark);color:#fff;}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;}
.cta-title{font-size:clamp(22px,2.6vw,28px);color:#fff;}
.cta-text{margin-top:10px;font-size:15px;color:rgba(255,255,255,.82);max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(232,241,239,.82);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{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;font-size:16px;}
.footer-desc{line-height:1.9;color:rgba(232,241,239,.72);max-width:330px;}
.footer-title{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-list{display:grid;gap:11px;}
.footer-list a{color:rgba(232,241,239,.76);}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13px;color:rgba(232,241,239,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  :root{--container:1080px;}
}
@media (max-width:1023px){
  :root{--gutter:24px;--sec-gap:72px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;left:0;right:0;top:68px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-3);
    flex-direction:column;align-items:stretch;gap:0;
    padding:8px 24px 24px;display:none;
  }
  .main-nav.open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{height:auto;padding:15px 4px;font-size:16px;border-bottom:1px solid var(--line-soft);}
  .nav-link::after{display:none;}
  .nav-link.active{color:var(--brand);background:var(--mint-soft);border-radius:10px;padding-left:12px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:20px;}
  .nav-actions .btn{width:100%;height:52px;}
  .hero{padding:52px 0 48px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;}
  .hero-float{left:16px;bottom:16px;}
  .trust-bar{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .steps::before{
    content:"";position:absolute;left:50%;top:40px;bottom:40px;width:0;
    border-left:1px dashed rgba(11,107,99,.18);display:none;
  }
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .case-grid{grid-template-columns:1fr;}
  .case-side{grid-template-rows:none;grid-template-columns:1fr 1fr;}
  .post-feature{grid-template-columns:1fr;}
  .post-feature .thumb{aspect-ratio:16/9;}
  .post-list{grid-template-columns:repeat(2,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;height:52px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:767px){
  :root{--gutter:16px;--sec-gap:56px;}
  body{font-size:15px;line-height:1.8;}
  .hero-title{font-size:clamp(26px,7vw,32px);}
  .hero-sub{font-size:16px;}
  .hero-cta .btn{flex:1 1 100%;}
  .hero-media .frame{aspect-ratio:16/10;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .step-card{padding:22px;min-height:auto;}
  .steps{grid-template-columns:1fr;}
  .steps::before{display:block;left:34px;top:56px;bottom:56px;}
  .case-side{grid-template-columns:1fr;}
  .case-card{grid-template-columns:110px 1fr;}
  .post-list{grid-template-columns:1fr;}
  .post-feature .txt{padding:22px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a p{padding:0 20px 20px;}
  .cta-actions{flex-direction:column;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:559px){
  :root{--sec-gap:48px;}
  .btn{width:100%;height:52px;}
  .btn-sm{height:48px;}
  .hero-float{position:static;margin-top:16px;box-shadow:var(--sh-1);}
  .kpi-grid{grid-template-columns:1fr;}
  .card-pad,.step-card{padding:16px;}
  .trust-bar{grid-template-columns:1fr;}
  .case-card{grid-template-columns:1fr;}
  .case-card .thumb{aspect-ratio:16/9;}
  .post-row{flex-direction:column;}
  .post-thumb{width:100%;height:150px;}
}

/* roulang page: article */
:root{
  --primary:#0B6B63;
  --primary-dark:#0A4A45;
  --primary-deep:#083A36;
  --accent:#FF6A3D;
  --accent-dark:#E8571F;
  --teal-light:#8FD3CB;
  --teal-soft:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --text:#12211F;
  --text-2:#4A5B58;
  --text-3:#8A9894;
  --border:rgba(11,107,99,.08);
  --border-strong:rgba(11,107,99,.16);
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-1:0 2px 10px rgba(16,32,31,.05);
  --sh-2:0 8px 24px rgba(16,32,31,.07);
  --sh-3:0 16px 40px rgba(16,32,31,.10);
  --container:1240px;
  --pad-x:32px;
  --sec-y:96px;
  --ease:180ms ease;
  --font:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.1px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--primary);text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block}
button{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:10px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 var(--pad-x)}
.section{padding:var(--sec-y) 0}
.section-soft{background:var(--teal-soft)}
.section-title{font-size:clamp(24px,2.6vw,32px);line-height:1.35;position:relative;padding-left:16px}
.section-title::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--primary)}
.section-title::after{content:"";position:absolute;left:-6px;bottom:-14px;width:8px;height:8px;border-radius:50%;background:var(--accent)}
.section-sub{margin-top:20px;max-width:720px;color:var(--text-2);font-size:15px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;text-align:center;white-space:nowrap;
  transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-sm{height:38px;padding:0 18px;font-size:14px}
.btn-lg{height:52px;padding:0 32px;font-size:16px}
.btn-block{width:100%}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.24)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(255,106,61,.3)}
.btn-accent:active{transform:translateY(1px)}
.btn-outline{background:#fff;color:var(--primary);border-color:var(--primary)}
.btn-outline:hover{background:var(--teal-soft);color:var(--primary-dark)}
.btn-ghost-light{background:rgba(255,255,255,.12);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff}
.link-quiet{font-size:14px;color:var(--text-2);text-decoration:underline;text-underline-offset:3px}
.link-quiet:hover{color:var(--primary)}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:600;color:var(--primary)}
.link-arrow span{transition:transform var(--ease)}
.link-arrow:hover span{transform:translateX(4px)}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:var(--teal-soft);color:var(--primary-dark);
  border-radius:var(--r-badge);font-size:13px;font-weight:600;white-space:nowrap;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease,background .2s ease;
}
.site-header.is-scrolled{background:rgba(255,255,255,.96);box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;gap:20px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;flex-shrink:0;
  background:linear-gradient(140deg,var(--primary),#12A394);
  display:grid;place-items:center;box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:17px;font-weight:800;color:var(--text);white-space:nowrap;letter-spacing:.2px}
.brand:hover .brand-text{color:var(--primary)}
.main-nav{display:flex;align-items:center;justify-content:space-between;flex:1;gap:16px}
.nav-list{display:flex;align-items:center;gap:2px}
.nav-link{
  display:inline-flex;align-items:center;height:38px;padding:0 11px;
  border-radius:10px;font-size:15px;color:var(--text-2);position:relative;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--primary);background:var(--teal-soft)}
.nav-link.active{color:var(--primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:11px;right:11px;bottom:1px;height:2px;
  border-radius:2px;background:var(--primary);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  background:#fff;border:1px solid var(--border-strong);border-radius:999px;cursor:pointer;
  transition:box-shadow var(--ease),background var(--ease);
}
.nav-toggle:hover{background:var(--teal-soft)}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--primary);transition:transform .22s ease,opacity .22s ease}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ============ 文章页头 ============ */
.page-head{
  position:relative;overflow:hidden;
  padding:40px 0 44px;
  background:linear-gradient(180deg,#FFFFFF 0%,#F4F9F7 100%);
  border-bottom:1px solid var(--border);
}
.page-head::before{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle at 32% 32%,rgba(143,211,203,.45),rgba(143,211,203,0) 70%);
  pointer-events:none;
}
.page-head::after{
  content:"";position:absolute;left:-60px;bottom:-120px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle at 60% 60%,rgba(255,106,61,.14),rgba(255,106,61,0) 70%);
  pointer-events:none;
}
.page-head .container{position:relative;z-index:1}
.breadcrumb{margin-bottom:22px}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3)}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--primary)}
.crumb-sep{color:rgba(138,152,148,.7)}
.breadcrumb .current{color:var(--text);font-weight:600;max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.page-title{font-size:clamp(28px,4vw,44px);line-height:1.3;max-width:960px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:22px;font-size:14px;color:var(--text-3)}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--teal-light)}

/* ============ 正文布局 ============ */
.article-layout{
  display:grid;grid-template-columns:minmax(0,800px) 300px;
  gap:56px;justify-content:center;
  padding:64px var(--pad-x) 0;
  max-width:var(--container);margin:0 auto;width:100%;
}
.article-main{min-width:0}
.article-body{font-size:16px;line-height:1.9;color:var(--text-2)}
.article-body p{margin:0 0 1.1em;line-height:1.9}
.article-body h2{
  font-size:clamp(22px,2.4vw,28px);line-height:1.35;color:var(--text);
  margin:1.6em 0 .6em;padding-left:14px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  border-radius:2px;background:var(--primary);
}
.article-body h3{font-size:20px;line-height:1.5;color:var(--text);margin:1.5em 0 .6em}
.article-body h4{font-size:17px;line-height:1.55;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.1em}
.article-body ul li{list-style:disc;margin-bottom:.5em}
.article-body ol li{list-style:decimal;margin-bottom:.5em}
.article-body li{line-height:1.85}
.article-body blockquote{
  margin:1.4em 0;padding:18px 22px;
  border-left:3px solid var(--primary);border-radius:0 12px 12px 0;
  background:var(--teal-soft);color:var(--text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:1.5em auto;box-shadow:var(--sh-1);height:auto}
.article-body figure{margin:1.5em 0}
.article-body figcaption{font-size:14px;color:var(--text-3);text-align:center;margin-top:10px;line-height:1.7}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;
  border:1px solid var(--border-strong);border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{padding:12px 14px;text-align:left;border-bottom:1px solid var(--border)}
.article-body th{background:var(--teal-soft);color:var(--text);font-weight:600}
.article-body tr:last-child td{border-bottom:none}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body code{
  background:var(--teal-soft);padding:2px 6px;border-radius:6px;
  font-size:.94em;color:var(--primary-dark);
}
.article-body hr{border:none;height:1px;background:var(--border-strong);margin:2em 0}
.article-foot{margin-top:44px;padding-top:24px;border-top:1px solid var(--border-strong);display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between}

/* ============ 空态 ============ */
.empty-state{
  border:1.5px dashed var(--border-strong);border-radius:var(--r-card);
  background:#fff;padding:48px 28px;text-align:center;
}
.empty-icon{width:56px;height:56px;margin:0 auto 18px;border-radius:16px;background:var(--teal-soft);display:grid;place-items:center}
.empty-icon svg{width:26px;height:26px}
.empty-title{font-size:22px;margin-bottom:10px}
.empty-text{max-width:440px;margin:0 auto 24px;font-size:15px;color:var(--text-2)}

/* ============ 侧栏 ============ */
.article-side{display:flex;flex-direction:column;gap:22px}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);transition:box-shadow var(--ease),transform var(--ease);
}
.side-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px)}
.side-card-soft{background:linear-gradient(160deg,#F4F9F7,#FFFFFF)}
.side-title{font-size:17px;margin-bottom:16px;padding-left:12px;position:relative}
.side-title::before{content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:3px;border-radius:2px;background:var(--accent)}
.side-list li+li{margin-top:14px;padding-top:14px;border-top:1px solid var(--border)}
.side-list a{display:block}
.side-link-title{display:block;font-size:15px;font-weight:600;color:var(--text);transition:color var(--ease)}
.side-link-desc{display:block;font-size:13px;color:var(--text-3);line-height:1.7;margin-top:4px}
.side-list a:hover .side-link-title{color:var(--primary)}
.side-card p{font-size:14px;line-height:1.8;color:var(--text-2)}
.side-meta{margin:14px 0 18px;font-size:14px;color:var(--text-2)}
.side-meta li{padding:7px 0;border-bottom:1px dashed var(--border-strong)}
.side-meta li:last-child{border-bottom:none}

/* ============ FAQ ============ */
.faq-block{margin-top:72px;padding-top:56px;border-top:1px solid var(--border-strong)}
.faq-head{margin-bottom:28px}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item.open{box-shadow:var(--sh-2);border-color:rgba(11,107,99,.2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--primary)}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  background:var(--teal-soft);display:grid;place-items:center;
  transition:transform .2s ease,background var(--ease);
}
.faq-icon svg{width:13px;height:13px;stroke:var(--primary);stroke-width:2.4;fill:none;stroke-linecap:round;stroke-linejoin:round}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--primary)}
.faq-item.open .faq-icon svg{stroke:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .2s ease}
.faq-a-inner{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--text-2)}
.faq-item.open .faq-a{max-height:420px}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--primary-dark),var(--primary-deep));
  padding:56px 0;
}
.cta-band::before{
  content:"";position:absolute;right:-80px;top:-120px;width:360px;height:360px;border-radius:50%;
  background:radial-gradient(circle at 40% 40%,rgba(143,211,203,.28),rgba(143,211,203,0) 70%);
}
.cta-band::after{
  content:"";position:absolute;left:-60px;bottom:-140px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle at 50% 50%,rgba(255,106,61,.22),rgba(255,106,61,0) 70%);
}
.cta-inner{position:relative;z-index:1;display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35}
.cta-inner p{color:rgba(255,255,255,.82);font-size:15px;margin-top:10px;max-width:560px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--primary-dark);color:rgba(255,255,255,.78);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-text{color:#fff;font-size:17px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px}
.footer-title{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-list li{line-height:1.9;font-size:14px;color:rgba(255,255,255,.72)}
.footer-list li+li{margin-top:2px}
.footer-list a{color:rgba(255,255,255,.72)}
.footer-list a:hover{color:var(--teal-light)}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--container:1080px;--pad-x:32px;--sec-y:80px}
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px}
  .link-quiet{display:none}
}
@media (max-width:1023px){
  :root{--pad-x:24px;--sec-y:72px}
  .nav-toggle{display:flex;margin-left:auto}
  .main-nav{
    position:fixed;left:0;right:0;top:68px;z-index:79;
    flex-direction:column;align-items:stretch;gap:6px;
    background:#fff;border-bottom:1px solid var(--border);box-shadow:var(--sh-3);
    padding:14px 24px 24px;max-height:calc(100vh - 68px);overflow-y:auto;
    opacity:0;visibility:hidden;transform:translateY(-12px);pointer-events:none;
    transition:opacity .22s ease,transform .22s ease,visibility .22s;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:none;pointer-events:auto}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px}
  .nav-link{height:48px;padding:0 14px;font-size:16px;border-radius:12px}
  .nav-link.active::after{left:14px;right:auto;width:22px;bottom:6px}
  .nav-actions{flex-direction:column;align-items:stretch;gap:10px;margin-top:10px}
  .nav-actions .btn{width:100%}
  .link-quiet{display:block;text-align:center;padding:10px 0}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:48px;padding-top:48px}
  .article-side{flex-direction:column}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
}
@media (max-width:767px){
  :root{--pad-x:16px;--sec-y:56px}
  body{font-size:15px;line-height:1.8}
  .header-inner{height:62px}
  .main-nav{top:62px;max-height:calc(100vh - 62px)}
  .brand-text{font-size:15px}
  .page-head{padding:28px 0 32px}
  .breadcrumb ol{font-size:13px;flex-wrap:nowrap;overflow-x:auto;white-space:nowrap;padding-bottom:2px}
  .article-meta{gap:8px;font-size:13px}
  .article-body{font-size:15px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto}
  .article-layout{padding-top:36px}
  .faq-block{margin-top:52px;padding-top:40px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px}
  .side-card{padding:20px}
  .cta-band{padding:44px 0}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
}
@media (max-width:559px){
  .btn{width:100%;height:52px}
  .btn-sm{width:100%}
  .hero-actions,.cta-actions{width:100%}
  .side-card{padding:16px}
  .empty-state{padding:36px 18px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .page-title{font-size:26px}
}

/* roulang page: category1 */
:root{
  --brand:#0B6B63;
  --brand-deep:#0A4A45;
  --accent:#FF6A3D;
  --accent-deep:#E95A2F;
  --aqua:#8FD3CB;
  --aqua-soft:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --ink:#12211F;
  --ink-2:#4A5B58;
  --ink-3:#8A9894;
  --line:rgba(11,107,99,.10);
  --line-strong:rgba(11,107,99,.18);
  --r-card:18px;
  --r-img:14px;
  --r-pill:999px;
  --r-input:12px;
  --shadow-1:0 2px 10px rgba(16,32,31,.05);
  --shadow-2:0 8px 24px rgba(16,32,31,.07);
  --shadow-3:0 16px 40px rgba(16,32,31,.10);
  --sec-pc:96px;
  --sec-tab:72px;
  --sec-mb:56px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:.2px;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
button{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮与基础组件 ============ */
.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:700;
  border:1.5px solid transparent;
  cursor:pointer;
  white-space:nowrap;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.24);}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,61,.20);}
.btn-brand{background:var(--brand);color:#fff;box-shadow:0 6px 18px rgba(11,107,99,.22);}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--aqua-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:var(--aqua-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}

.link-quiet{
  color:var(--ink-2);
  font-size:14px;
  padding-bottom:2px;
  border-bottom:1px solid transparent;
}
.link-quiet:hover{color:var(--brand);border-bottom-color:var(--brand);}

.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:8px;
  background:var(--aqua-soft);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  line-height:1;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:8px;
  background:rgba(143,211,203,.28);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
}
.num{font-variant-numeric:tabular-nums;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--ink);
  font-weight:800;
  font-size:17px;
  flex:0 0 auto;
}
.brand:hover{color:var(--brand-deep);}
.brand-mark{
  width:34px;height:34px;
  flex:0 0 34px;
  border-radius:11px;
  background:linear-gradient(150deg,#0B6B63,#0A4A45);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{white-space:nowrap;}

.main-nav{
  display:flex;
  align-items:center;
  gap:22px;
  margin-left:auto;
}
.nav-list{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-block;
  padding:9px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:10px;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--aqua-soft);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;bottom:1px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-actions{display:flex;align-items:center;gap:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  margin-left:auto;
  border:1px solid var(--line-strong);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--brand);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 页头 ============ */
.page-hero{
  position:relative;
  padding:70px 0 78px;
  background:#0A4A45 url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(115deg,rgba(8,58,54,.94) 0%,rgba(10,74,69,.84) 46%,rgba(10,74,69,.58) 100%);
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:14px;
  color:rgba(255,255,255,.72);
  margin-bottom:20px;
  overflow-x:auto;
  white-space:nowrap;
  scrollbar-width:none;
}
.breadcrumb::-webkit-scrollbar{display:none;}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{color:rgba(255,255,255,.42);}
.breadcrumb .current{color:#fff;font-weight:600;}

.hero-eyebrow{
  display:inline-block;
  padding:5px 12px;
  border-radius:8px;
  background:rgba(143,211,203,.20);
  border:1px solid rgba(143,211,203,.42);
  color:#BFEBE4;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.3;
  color:#fff;
  max-width:900px;
  margin-bottom:16px;
}
.hero-lead{
  font-size:17px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:640px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:26px;
}
.hero-meta .tag{
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.24);
  color:#E6F4F1;
}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pc) 0;}
.section-soft{background:var(--aqua-soft);}
.section-white{background:#fff;}
.section-line{border-top:1px solid var(--line);}

.section-head{max-width:760px;margin-bottom:44px;}
.section-title{
  position:relative;
  padding-left:18px;
  font-size:30px;
  line-height:1.35;
  margin-bottom:14px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.2em;
  width:4px;height:.86em;
  border-radius:2px;
  background:var(--brand);
}
.section-title::after{
  content:"";
  position:absolute;
  left:-3px;top:-8px;
  width:7px;height:7px;
  border-radius:50%;
  background:var(--accent);
}
.section-sub{
  font-size:16px;
  color:var(--ink-2);
  line-height:1.85;
}

/* ============ 左文右图 ============ */
.split{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:52px;
  align-items:center;
}
.split-figure{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--shadow-2);
  background:var(--aqua-soft);
}
.split-figure img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.split-figure .fig-note{
  position:absolute;
  left:16px;bottom:16px;
  padding:8px 14px;
  border-radius:12px;
  background:rgba(10,74,69,.78);
  color:#E6F4F1;
  font-size:13px;
  font-weight:600;
}

.check-block li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:16px;
  padding:18px 0;
  border-bottom:1px dashed var(--line-strong);
}
.check-block li:last-child{border-bottom:none;padding-bottom:0;}
.check-block li:first-child{padding-top:0;}
.check-num{
  width:38px;height:38px;
  border-radius:12px;
  background:var(--aqua-soft);
  border:1px solid rgba(11,107,99,.18);
  color:var(--brand);
  font-weight:800;
  font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.check-block h3{
  font-size:17px;
  font-weight:700;
  margin-bottom:4px;
}
.check-block p{
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  margin:0;
}

/* ============ 流程 ============ */
.flow-list{margin-top:8px;}
.flow-item{
  position:relative;
  display:grid;
  grid-template-columns:48px 1fr;
  gap:22px;
  padding-bottom:26px;
}
.flow-item:last-child{padding-bottom:0;}
.flow-item::before{
  content:"";
  position:absolute;
  left:23px;
  top:52px;
  bottom:6px;
  width:2px;
  background:linear-gradient(180deg,rgba(11,107,99,.30),rgba(11,107,99,.05));
}
.flow-item:last-child::before{display:none;}
.flow-num{
  position:relative;
  z-index:1;
  width:48px;height:48px;
  border-radius:14px;
  background:#fff;
  border:1.5px solid rgba(11,107,99,.35);
  color:var(--brand);
  font-weight:800;
  font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--shadow-1);
}
.flow-body{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px 26px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.flow-body:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.flow-body h3{
  font-size:19px;
  margin-bottom:8px;
}
.flow-body p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:12px;
}
.flow-tips{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
}
.flow-tips span{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:8px;
  background:var(--aqua-soft);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
}

/* ============ 材料与驳回对照 ============ */
.material-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:24px;
}
.panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px;
  box-shadow:var(--shadow-1);
  transition:box-shadow .18s ease,transform .18s ease;
}
.panel:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.panel-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:18px;
}
.panel-head h3{font-size:19px;}
.panel-icon{
  width:36px;height:36px;
  flex:0 0 36px;
  border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--aqua-soft);
  color:var(--brand);
}
.panel-icon.warn{background:rgba(255,106,61,.12);color:var(--accent-deep);}
.panel-icon svg{width:18px;height:18px;}
.panel-list li{
  display:grid;
  grid-template-columns:auto 1fr;
  gap:12px;
  padding:13px 0;
  border-bottom:1px dashed var(--line-strong);
  font-size:15.5px;
  line-height:1.8;
  color:var(--ink-2);
}
.panel-list li:last-child{border-bottom:none;padding-bottom:0;}
.panel-list li strong{color:var(--ink);font-weight:700;}
.dot{
  width:8px;height:8px;
  margin-top:10px;
  border-radius:50%;
  background:var(--brand);
}
.dot.warn{background:var(--accent);}

/* ============ 数据卡 ============ */
.kpi-section{
  background:var(--brand-deep);
  padding:88px 0;
  color:#fff;
}
.kpi-section .section-title{color:#fff;}
.kpi-section .section-title::before{background:var(--aqua);}
.kpi-section .section-sub{color:rgba(255,255,255,.72);}
.kpi-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.kpi-card{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(143,211,203,.24);
  border-radius:var(--r-card);
  padding:26px;
  transition:background-color .18s ease,transform .18s ease;
}
.kpi-card:hover{background:rgba(255,255,255,.10);transform:translateY(-2px);}
.kpi-num{
  font-size:32px;
  font-weight:800;
  line-height:1.2;
  color:var(--aqua);
  font-variant-numeric:tabular-nums;
}
.kpi-num small{font-size:16px;font-weight:700;margin-left:4px;color:rgba(255,255,255,.8);}
.kpi-label{
  margin-top:10px;
  font-size:15px;
  font-weight:700;
  color:#fff;
}
.kpi-note{
  margin-top:6px;
  font-size:13.5px;
  line-height:1.7;
  color:rgba(255,255,255,.66);
}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:16px;
  box-shadow:var(--shadow-1);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--shadow-2);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  font-size:16.5px;
  font-weight:700;
  cursor:pointer;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-icon{
  flex:0 0 26px;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--aqua-soft);
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:transform .2s ease,background-color .2s ease;
}
.faq-icon svg{width:14px;height:14px;}
.faq-item[open] .faq-icon{transform:rotate(180deg);background:rgba(143,211,203,.5);}
.faq-body{
  padding:0 24px 22px;
  color:var(--ink-2);
  font-size:15.5px;
  line-height:1.85;
  animation:fadeUp .2s ease;
}
@keyframes fadeUp{
  from{opacity:0;transform:translateY(-4px);}
  to{opacity:1;transform:translateY(0);}
}

/* ============ 相关入口 ============ */
.link-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:14px;
}
.link-item{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  padding:18px 22px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--shadow-1);
  color:var(--ink);
  font-weight:600;
  font-size:15.5px;
  transition:box-shadow .18s ease,transform .18s ease,color .18s ease;
}
.link-item:hover{
  box-shadow:var(--shadow-2);
  transform:translateY(-2px);
  color:var(--brand);
}
.link-item .arrow{transition:transform .18s ease;color:var(--brand);flex:0 0 auto;}
.link-item:hover .arrow{transform:translateX(4px);}
.link-item small{
  display:block;
  font-weight:400;
  font-size:13.5px;
  color:var(--ink-3);
  margin-top:2px;
}

/* ============ CTA ============ */
.cta-section{
  background:var(--brand);
  padding:70px 0;
  color:#fff;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-text h2{
  font-size:28px;
  line-height:1.35;
  margin-bottom:10px;
  color:#fff;
}
.cta-text p{
  font-size:15.5px;
  color:rgba(255,255,255,.84);
  max-width:560px;
  margin:0;
}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.78);
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;
  padding-bottom:36px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:#fff;
  font-weight:800;
  font-size:17px;
}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.66);
  margin:0;
}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:14px;
}
.footer-list li{
  font-size:14px;
  line-height:1.9;
  margin-bottom:8px;
  color:rgba(255,255,255,.7);
}
.footer-list a{color:rgba(255,255,255,.74);}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13.5px;
  color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:1080px;}
  .split{gap:40px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
}

@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:var(--sec-tab) 0;}
  .kpi-section{padding:72px 0;}
  .page-hero{padding:56px 0 64px;}

  .nav-toggle{display:inline-flex;}
  .main-nav{
    position:fixed;
    left:0;right:0;
    top:68px;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:12px;
    padding:16px 20px 24px;
    background:#fff;
    border-top:1px solid var(--line);
    box-shadow:var(--shadow-2);
    max-height:calc(100vh - 68px);
    overflow-y:auto;
  }
  .main-nav.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:2px;}
  .nav-link{
    display:block;
    padding:13px 14px;
    min-height:44px;
    font-size:16px;
    border-radius:12px;
  }
  .nav-link.active{background:var(--aqua-soft);}
  .nav-link.active::after{display:none;}
  .nav-actions{
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    padding-top:14px;
    border-top:1px solid var(--line);
  }
  .nav-actions .btn{width:100%;}
  .link-quiet{text-align:center;padding:6px 0;}

  .split{grid-template-columns:1fr;gap:32px;}
  .split-figure{order:-1;}
  .material-grid{grid-template-columns:1fr;}
  .link-list{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .section{padding:var(--sec-mb) 0;}
  .kpi-section{padding:56px 0;}
  .page-hero{padding:44px 0 50px;}
  .section-title{font-size:24px;}
  .section-head{margin-bottom:32px;}
  .page-hero h1{font-size:26px;}
  .hero-lead{font-size:15.5px;}
  .hero-actions .btn{flex:1 1 100%;}
  .split-figure .fig-note{left:12px;bottom:12px;font-size:12px;}
  .kpi-grid{grid-template-columns:1fr;}
  .kpi-num{font-size:28px;}
  .cta-text h2{font-size:23px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .flow-item{grid-template-columns:42px 1fr;gap:16px;}
  .flow-num{width:42px;height:42px;border-radius:12px;}
  .flow-item::before{left:20px;top:46px;}
  .flow-body{padding:20px;}
  .panel{padding:22px;}
}

@media (max-width:559px){
  .container{padding:0 16px;}
  .header-inner{height:64px;}
  .main-nav{top:64px;}
  .brand-text{font-size:15.5px;}
  .btn{width:100%;height:52px;}
  .btn-sm{height:48px;}
  .nav-actions .btn{width:100%;}
  .flow-body{padding:16px;border-radius:16px;}
  .panel{padding:16px;}
  .kpi-card{padding:18px;}
  .faq-item summary{padding:16px 16px;font-size:15.5px;}
  .faq-body{padding:0 16px 18px;font-size:15px;}
  .link-item{padding:16px;font-size:15px;}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .check-block li{gap:12px;}
  .section-title{font-size:22px;}
}

/* roulang page: category2 */
:root{
  --brand:#0B6B63;
  --brand-deep:#0A4A45;
  --brand-hover:#095C55;
  --accent:#FF6A3D;
  --accent-hover:#F0562A;
  --mint:#8FD3CB;
  --mint-soft:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --text:#12211F;
  --text-2:#4A5B58;
  --text-3:#8A9894;
  --line:rgba(11,107,99,.10);
  --line-soft:rgba(11,107,99,.06);
  --radius-card:18px;
  --radius-img:14px;
  --radius-btn:999px;
  --radius-badge:8px;
  --shadow-1:0 2px 10px rgba(16,32,31,.05);
  --shadow-2:0 8px 24px rgba(16,32,31,.07);
  --shadow-3:0 16px 40px rgba(16,32,31,.10);
  --ease:180ms ease;
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius-img);}
a{color:var(--brand);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--brand-hover);}
a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:1.6em 0 .6em;line-height:1.35;font-weight:800;letter-spacing:.2px;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.3;margin-top:0;}
h2{font-size:clamp(24px,3vw,32px);}
h3{font-size:clamp(19px,2vw,22px);line-height:1.5;}
h4{font-size:17px;line-height:1.55;}
p{margin:0 0 1.1em;}
ul,ol{margin:0 0 1.1em;padding-left:1.3em;}
li{margin-bottom:.5em;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;font-family:inherit;cursor:pointer;
  border:1.5px solid transparent;transition:background var(--ease),color var(--ease),transform var(--ease),box-shadow var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(255,106,61,.22);}
.btn-primary:hover{background:var(--accent-hover);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(1px);}
.btn-solid{background:var(--brand);color:#fff;}
.btn-solid:hover{background:var(--brand-hover);color:#fff;transform:translateY(-1px);}
.btn-solid:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--mint-soft);color:var(--brand-hover);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:16px;}
.badge{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  border-radius:var(--radius-badge);background:var(--mint-soft);color:var(--brand-deep);
  font-size:13px;font-weight:600;line-height:1;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;color:var(--brand);
  text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent);border-radius:2px;}
.section{padding:96px 0;}
.section-alt{background:var(--mint-soft);}
.section-dark{background:var(--brand-deep);color:#EAF4F2;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head h2{position:relative;padding-left:18px;margin-top:0;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.14em;width:4px;height:1em;
  background:var(--brand);border-radius:3px;
}
.section-head p{color:var(--text-2);margin-bottom:0;}
.section-dark .section-head p{color:rgba(234,244,242,.78);}
.section-dark .section-head h2::before{background:var(--mint);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line-soft);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-2);}
.header-inner{display:flex;align-items:center;gap:32px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;flex-shrink:0;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.2px;}
.main-nav{margin-left:auto;display:flex;align-items:center;gap:28px;}
.nav-list{display:flex;align-items:center;gap:6px;list-style:none;margin:0;padding:0;}
.nav-list li{margin:0;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;font-size:15px;font-weight:600;color:var(--text-2);border-radius:10px;
  transition:color var(--ease),background var(--ease);
}
.nav-link:hover{color:var(--brand);background:var(--mint-soft);}
.nav-link.active{color:var(--brand);}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:16px;}
.link-quiet{font-size:14px;font-weight:600;color:var(--text-2);border-bottom:1px dashed var(--line);padding-bottom:2px;}
.link-quiet:hover{color:var(--brand);border-bottom-color:var(--brand);}
.nav-toggle{
  display:none;margin-left:auto;width:46px;height:46px;border-radius:14px;
  border:1px solid var(--line);background:#fff;cursor:pointer;
  flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--brand-deep);border-radius:2px;transition:transform var(--ease),opacity var(--ease);}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ---------- Hero ---------- */
.page-hero{position:relative;overflow:hidden;background:linear-gradient(180deg,#EEF4F2 0%,#FAF8F4 100%);padding:56px 0 72px;}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;opacity:.14;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;bottom:-160px;width:420px;height:420px;
  border:1px solid rgba(11,107,99,.12);border-radius:50%;
}
.hero-inner{position:relative;z-index:1;max-width:840px;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:20px;overflow-x:auto;white-space:nowrap;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:var(--mint);}
.breadcrumb .current{color:var(--text);font-weight:600;}
.hero-lead{font-size:18px;color:var(--text-2);max-width:640px;margin-bottom:28px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- KPI ---------- */
.kpi-strip{padding:0 0 88px;}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.kpi{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease);
}
.kpi:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.kpi-value{font-size:30px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2;}
.kpi-value small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px;}
.kpi-label{font-size:15px;font-weight:700;margin:8px 0 4px;}
.kpi-note{font-size:14px;color:var(--text-2);margin:0;line-height:1.7;}

/* ---------- Zigzag ---------- */
.zigzag{display:flex;flex-direction:column;gap:84px;}
.zz-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.zz-text h3{margin-top:0;}
.zz-text p{color:var(--text-2);}
.zz-media{position:relative;margin:0;}
.zz-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;background:var(--mint-soft);
  box-shadow:var(--shadow-2);
}
.zz-media::after{
  content:"";position:absolute;left:-14px;bottom:-14px;width:120px;height:120px;
  border-left:3px solid var(--mint);border-bottom:3px solid var(--mint);
  border-radius:0 0 0 var(--radius-img);z-index:-1;
}
.zz-row.reverse .zz-text{order:2;}
.zz-row.reverse .zz-media{order:1;}
.zz-list{list-style:none;padding:0;margin:22px 0 0;}
.zz-list li{display:flex;gap:12px;align-items:flex-start;margin-bottom:14px;color:var(--text-2);}
.zz-list .dot{
  flex:0 0 22px;width:22px;height:22px;margin-top:5px;border-radius:50%;
  background:var(--mint-soft);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:800;font-variant-numeric:tabular-nums;
}
.zz-list strong{color:var(--text);}

/* ---------- Feature cards ---------- */
.feature-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.feature-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:rgba(11,107,99,.18);}
.feature-icon{
  width:44px;height:44px;border-radius:12px;background:var(--mint-soft);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.feature-icon svg{width:22px;height:22px;stroke:var(--brand);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.feature-card h4{margin:0 0 8px;font-size:17px;}
.feature-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- Steps ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;counter-reset:step;}
.step-card{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-card);padding:28px;box-shadow:var(--shadow-1);
}
.step-num{
  font-size:34px;font-weight:800;color:transparent;-webkit-text-stroke:1.4px var(--mint);
  font-variant-numeric:tabular-nums;line-height:1;display:block;margin-bottom:14px;
}
.step-card h4{margin:0 0 8px;font-size:17px;}
.step-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-item.open{box-shadow:var(--shadow-2);border-color:rgba(11,107,99,.2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-family:inherit;font-size:17px;font-weight:700;color:var(--text);
}
.faq-q:hover{color:var(--brand);}
.faq-q .chev{width:20px;height:20px;flex:0 0 20px;transition:transform 200ms ease;stroke:var(--brand);fill:none;stroke-width:2;stroke-linecap:round;stroke-linejoin:round;}
.faq-item.open .chev{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease;}
.faq-item.open .faq-a{max-height:460px;}
.faq-a p{padding:0 24px 22px;margin:0;color:var(--text-2);line-height:1.85;font-size:15px;}

/* ---------- Related links ---------- */
.related-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.related-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-1);transition:box-shadow var(--ease),transform var(--ease);
}
.related-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);}
.related-card h4{margin:0;font-size:17px;color:var(--text);}
.related-card p{margin:0;font-size:14px;color:var(--text-2);line-height:1.7;}
.related-card .go{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap var(--ease);}
.related-card:hover .go{gap:10px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-deep);color:#EAF4F2;border-radius:24px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--shadow-3);
}
.cta-band h2{margin:0 0 10px;color:#fff;font-size:clamp(22px,2.6vw,28px);}
.cta-band p{margin:0;color:rgba(234,244,242,.8);font-size:15px;max-width:520px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex-shrink:0;}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(234,244,242,.82);padding:72px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-text{color:#fff;}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(234,244,242,.72);margin:0;}
.footer-title{font-size:15px;color:#fff;margin:0 0 16px;padding-left:12px;position:relative;}
.footer-title::before{content:"";position:absolute;left:0;top:.45em;width:4px;height:14px;background:var(--mint);border-radius:2px;}
.footer-list{list-style:none;margin:0;padding:0;}
.footer-list li{margin-bottom:10px;font-size:14px;line-height:1.9;}
.footer-list a{color:rgba(234,244,242,.82);}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(234,244,242,.16);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(234,244,242,.6);
}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:1080px;}
  .nav-actions{gap:12px;}
  .main-nav{gap:18px;}
  .nav-link{padding:10px 9px;font-size:14.5px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .header-inner{gap:16px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;top:68px;left:0;right:0;bottom:0;margin:0;
    background:#fff;flex-direction:column;align-items:stretch;gap:0;
    padding:20px 24px 32px;overflow-y:auto;
    transform:translateY(-12px);opacity:0;visibility:hidden;
    transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
    border-top:1px solid var(--line-soft);
  }
  .main-nav.open{opacity:1;visibility:visible;transform:translateY(0);}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{padding:14px 12px;font-size:16px;min-height:48px;border-radius:12px;}
  .nav-link.active::after{left:12px;right:auto;width:22px;bottom:8px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:14px;margin-top:22px;}
  .nav-actions .btn{width:100%;height:52px;}
  .link-quiet{text-align:center;border:0;padding:8px;min-height:44px;display:flex;align-items:center;justify-content:center;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .feature-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:repeat(2,1fr);}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .zz-row{gap:36px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
}
@media (max-width:767px){
  .page-hero{padding:40px 0 56px;}
  .hero-lead{font-size:16px;}
  .section{padding:56px 0;}
  .kpi-strip{padding-bottom:64px;}
  .zz-row{grid-template-columns:1fr;gap:28px;}
  .zz-row.reverse .zz-text{order:1;}
  .zz-row.reverse .zz-media{order:2;}
  .zigzag{gap:60px;}
  .feature-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .steps .step-card::before{
    content:"";position:absolute;left:50%;top:-22px;width:2px;height:22px;
    background:linear-gradient(180deg,var(--mint),transparent);transform:translateX(-50%);
  }
  .steps .step-card:first-child::before{display:none;}
  .hero-btns .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:559px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .kpi-grid{grid-template-columns:1fr;}
  .kpi{padding:16px;}
  .feature-card{padding:16px;}
  .step-card{padding:20px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a p{padding:0 18px 18px;}
  .related-card{padding:18px;}
  .cta-band{padding:28px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding:56px 0 28px;}
}

/* roulang page: category3 */
:root{
  --brand:#0B6B63;
  --brand-deep:#0A4A45;
  --brand-dark:#073632;
  --accent:#FF6A3D;
  --accent-deep:#E8531F;
  --aqua:#8FD3CB;
  --aqua-pale:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --text:#12211F;
  --text-2:#4A5B58;
  --text-3:#8A9894;
  --border:rgba(11,107,99,.10);
  --border-soft:rgba(11,107,99,.06);
  --r-card:18px;
  --r-img:14px;
  --r-btn:999px;
  --r-input:12px;
  --r-badge:8px;
  --sh-s:0 2px 10px rgba(16,32,31,.05);
  --sh-m:0 8px 24px rgba(16,32,31,.07);
  --sh-l:0 16px 40px rgba(16,32,31,.10);
  --container:1240px;
  --gap:24px;
  --sec-pc:96px;
  --sec-tab:72px;
  --sec-mob:56px;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Noto Sans SC","Source Han Sans SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"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);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:1.6em 0 .6em;font-weight:800;color:var(--text);line-height:1.35;}
h1{font-size:clamp(28px,4vw,44px);line-height:1.3;margin-top:0;}
h2{font-size:clamp(24px,2.4vw,32px);}
h3{font-size:clamp(18px,1.6vw,22px);line-height:1.5;}
h4{font-size:17px;line-height:1.5;}
p{margin:0 0 1.05em;}
ul,ol{margin:0 0 1.1em;padding-left:1.25em;}
li{margin-bottom:.5em;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ===== 头部导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.98);
  border-bottom:1px solid var(--border-soft);
  transition:box-shadow .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.96);
  box-shadow:var(--sh-s);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  height:68px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.brand-mark{
  width:34px;
  height:34px;
  flex:0 0 34px;
  border-radius:11px;
  background:linear-gradient(135deg,#0B6B63,#12938A);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 4px 12px rgba(11,107,99,.22);
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{
  font-size:17px;
  font-weight:800;
  color:var(--brand-deep);
  letter-spacing:.2px;
  white-space:nowrap;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:28px;
  flex:1 1 auto;
  justify-content:flex-end;
}
.nav-list{
  display:flex;
  align-items:center;
  gap:6px;
  list-style:none;
  margin:0;
  padding:0;
}
.nav-list li{margin:0;}
.nav-link{
  display:inline-block;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:10px;
  position:relative;
  white-space:nowrap;
}
.nav-link:hover{
  color:var(--brand);
  background:var(--aqua-pale);
}
.nav-link.active{
  color:var(--brand);
  font-weight:700;
}
.nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.link-quiet{
  font-size:14px;
  color:var(--text-2);
  border-bottom:1px solid transparent;
}
.link-quiet:hover{
  color:var(--brand);
  border-bottom-color:var(--brand);
}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border:1px solid var(--border);
  border-radius:12px;
  background:#fff;
  cursor:pointer;
}
.nav-toggle span{
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand-deep);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle.is-active span:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-active span:nth-child(2){opacity:0;}
.nav-toggle.is-active span:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
  text-align:center;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(255,106,61,.26);
}
.btn-primary:hover{
  background:var(--accent-deep);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 26px rgba(255,106,61,.30);
}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}
.btn-ghost:hover{
  background:var(--aqua-pale);
  color:var(--brand-deep);
  transform:translateY(-1px);
}
.btn-outline-light{
  background:transparent;
  color:#fff;
  border-color:rgba(255,255,255,.6);
}
.btn-outline-light:hover{
  background:rgba(255,255,255,.14);
  color:#fff;
}
.btn-sm{
  height:40px;
  padding:0 18px;
  font-size:14px;
}

/* ===== 面包屑 ===== */
.breadcrumb{
  font-size:14px;
  color:rgba(255,255,255,.78);
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:6px;
  margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.9);}
.breadcrumb a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.breadcrumb .sep{opacity:.55;}
.breadcrumb .current{color:#fff;font-weight:600;}

/* ===== 页头 ===== */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:72px 0 108px;
  background:var(--brand-dark);
}
.page-hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  opacity:.42;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(105deg,rgba(7,54,50,.94) 0%,rgba(10,74,69,.86) 52%,rgba(11,107,99,.62) 100%);
}
.page-hero-inner{
  position:relative;
  z-index:2;
}
.page-hero h1{
  color:#fff;
  margin:0 0 16px;
  max-width:14em;
  letter-spacing:-.5px;
}
.page-hero .hero-lead{
  color:rgba(255,255,255,.86);
  font-size:17px;
  line-height:1.85;
  max-width:660px;
  margin:0;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-badge);
  background:rgba(143,211,203,.20);
  border:1px solid rgba(143,211,203,.42);
  color:#DFF3EF;
  font-size:13px;
  font-weight:600;
  margin-bottom:18px;
}
.hero-wave{
  position:absolute;
  left:0;right:0;bottom:-2px;
  height:70px;
  z-index:3;
  opacity:.12;
}
.hero-wave svg{width:100%;height:100%;display:block;}

/* ===== KPI 数据条 ===== */
.kpi-strip{
  position:relative;
  z-index:8;
  margin-top:-56px;
}
.kpi-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--border-soft);
  border:1px solid var(--border);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-m);
}
.kpi{
  background:#fff;
  padding:26px 24px;
}
.kpi-num{
  display:block;
  font-size:30px;
  font-weight:800;
  color:var(--brand);
  line-height:1.2;
  font-variant-numeric:tabular-nums;
}
.kpi-num small{font-size:15px;font-weight:700;margin-left:2px;}
.kpi-label{
  display:block;
  margin-top:6px;
  font-size:14px;
  color:var(--text-2);
}

/* ===== 区块通用 ===== */
.section{padding:var(--sec-pc) 0;}
.section-tight{padding:64px 0;}
.section-soft{background:var(--aqua-pale);}
.section-plain{background:var(--bg);}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.sec-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:1px;
  margin-bottom:12px;
}
.sec-eyebrow::before{
  content:"";
  width:4px;
  height:16px;
  border-radius:2px;
  background:var(--brand);
}
.sec-head h2{margin:0 0 12px;}
.sec-head p{
  margin:0;
  color:var(--text-2);
  font-size:16px;
}
.deco-dot{
  display:inline-block;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--aqua);
  margin-left:8px;
  vertical-align:middle;
}

/* ===== 模块条目墙（masonry） ===== */
.masonry{
  column-count:2;
  column-gap:var(--gap);
}
.m-card{
  break-inside:avoid;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-s);
  overflow:hidden;
  margin:0 0 24px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.m-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-m);
  border-color:rgba(11,107,99,.18);
}
.m-thumb{
  position:relative;
  overflow:hidden;
  background:var(--aqua-pale);
}
.m-thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.m-card:hover .m-thumb img{transform:scale(1.03);}
.thumb-wide{aspect-ratio:16/9;}
.thumb-mid{aspect-ratio:4/3;}
.thumb-tall{aspect-ratio:3/2;}
.m-index{
  position:absolute;
  top:14px;left:14px;
  min-width:34px;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-badge);
  background:rgba(255,106,61,.94);
  color:#fff;
  font-size:13px;
  font-weight:800;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
  letter-spacing:.5px;
}
.m-body{padding:24px 26px 26px;}
.m-body h3{margin:0 0 10px;}
.m-body p{color:var(--text-2);font-size:15px;margin-bottom:12px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-badge);
  background:var(--aqua-pale);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  margin-bottom:12px;
}
.tag + .tag{margin-left:8px;}
.mini-list{
  list-style:none;
  padding:0;
  margin:0 0 14px;
  border-top:1px dashed var(--border);
  padding-top:12px;
}
.mini-list li{
  position:relative;
  padding-left:16px;
  margin:0 0 6px;
  font-size:14px;
  color:var(--text-2);
  line-height:1.7;
}
.mini-list li::before{
  content:"";
  position:absolute;
  left:0;top:.62em;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--aqua);
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
  text-decoration:underline;
  text-underline-offset:3px;
}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ===== 分组索引 ===== */
.index-panel{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-s);
  overflow:hidden;
}
.index-row{
  display:grid;
  grid-template-columns:1.1fr .7fr 2.1fr;
  gap:20px;
  padding:20px 26px;
  border-bottom:1px solid var(--border-soft);
  align-items:center;
  transition:background-color .18s ease;
}
.index-row:last-child{border-bottom:0;}
.index-row:hover{background:var(--aqua-pale);}
.index-row.head{
  background:#fff;
  border-bottom:1px solid var(--border);
  padding-top:16px;
  padding-bottom:16px;
}
.index-row.head span{
  font-size:13px;
  font-weight:700;
  color:var(--text-3);
  letter-spacing:.6px;
}
.index-name{
  font-weight:700;
  font-size:16px;
  color:var(--text);
  display:flex;
  align-items:center;
  gap:8px;
}
.index-name i{
  width:8px;height:8px;
  border-radius:2px;
  background:var(--brand);
  display:inline-block;
  flex:0 0 8px;
}
.index-count{
  font-size:15px;
  color:var(--brand);
  font-weight:800;
  font-variant-numeric:tabular-nums;
}
.index-desc{
  font-size:15px;
  color:var(--text-2);
  margin:0;
}

/* ===== FAQ ===== */
.faq-list{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-s);
  margin-bottom:14px;
  overflow:hidden;
  transition:box-shadow .18s ease,border-color .18s ease;
}
.faq-item.is-open{
  box-shadow:var(--sh-m);
  border-color:rgba(11,107,99,.20);
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 26px;
  background:transparent;
  border:0;
  cursor:pointer;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--text);
  line-height:1.5;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  flex:0 0 22px;
  width:22px;height:22px;
  color:var(--brand);
  transition:transform .2s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .2s ease;
}
.faq-item.is-open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:0 26px 22px;
  color:var(--text-2);
  font-size:15px;
  line-height:1.85;
  border-top:1px solid var(--border-soft);
  padding-top:16px;
  margin:0 26px 22px;
  padding-left:0;
  padding-right:0;
}

/* ===== 相关页面 ===== */
.related-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
}
.related-card{
  display:block;
  padding:24px 24px 22px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--r-card);
  box-shadow:var(--sh-s);
  transition:transform .18s ease,box-shadow .18s ease;
}
.related-card:hover{
  transform:translateY(-2px);
  box-shadow:var(--sh-m);
}
.related-card h3{
  margin:0 0 8px;
  font-size:17px;
  color:var(--text);
}
.related-card:hover h3{color:var(--brand);}
.related-card p{
  margin:0;
  font-size:14px;
  color:var(--text-2);
  line-height:1.75;
}
.related-card .tag{margin-bottom:14px;}

/* ===== CTA ===== */
.cta-band{
  background:var(--brand-deep);
  border-radius:24px;
  padding:52px 56px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:var(--sh-l);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(143,211,203,.26),transparent 68%);
}
.cta-copy{position:relative;z-index:2;}
.cta-copy h2{
  color:#fff;
  margin:0 0 10px;
  font-size:clamp(22px,2.2vw,28px);
}
.cta-copy p{
  margin:0;
  color:rgba(255,255,255,.82);
  font-size:15px;
}
.cta-actions{
  position:relative;
  z-index:2;
  display:flex;
  gap:12px;
  flex:0 0 auto;
}

/* ===== 页脚 ===== */
.site-footer{
  background:var(--brand-deep);
  color:rgba(255,255,255,.80);
  padding:72px 0 0;
  margin-top:var(--sec-pc);
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  margin-bottom:16px;
}
.footer-brand .brand-text{color:#fff;}
.footer-desc{
  font-size:14px;
  line-height:1.9;
  margin:0;
  color:rgba(255,255,255,.72);
  max-width:34em;
}
.footer-title{
  font-size:15px;
  color:#fff;
  margin:0 0 16px;
  font-weight:700;
}
.footer-list{
  list-style:none;
  margin:0;
  padding:0;
}
.footer-list li{
  margin:0 0 10px;
  font-size:14px;
  line-height:1.9;
  color:rgba(255,255,255,.72);
}
.footer-list a{
  color:rgba(255,255,255,.78);
  border-bottom:1px solid transparent;
}
.footer-list a:hover{
  color:#fff;
  border-bottom-color:rgba(255,255,255,.6);
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:rgba(255,255,255,.62);
}

/* ===== 响应式：1024–1279 ===== */
@media (max-width:1279px){
  .container{max-width:1080px;}
  .main-nav{gap:16px;}
  .nav-link{padding:8px 9px;font-size:14px;}
  .nav-actions{gap:10px;}
}

/* ===== 响应式：768–1023 ===== */
@media (max-width:1023px){
  .container{padding:0 24px;max-width:100%;}
  .section{padding:var(--sec-tab) 0;}
  .header-inner{height:64px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:fixed;
    left:0;right:0;top:64px;
    flex-direction:column;
    align-items:stretch;
    justify-content:flex-start;
    gap:10px;
    padding:18px 24px 24px;
    background:#fff;
    border-bottom:1px solid var(--border);
    box-shadow:var(--sh-m);
    max-height:calc(100vh - 64px);
    overflow-y:auto;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .nav-list{flex-direction:column;align-items:stretch;gap:0;}
  .nav-link{padding:14px 8px;font-size:16px;border-radius:10px;}
  .nav-link.active::after{left:8px;right:auto;width:26px;bottom:8px;}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:8px;padding-top:16px;border-top:1px solid var(--border-soft);}
  .nav-actions .btn{width:100%;}
  .link-quiet{text-align:center;padding:10px 0;}
  .page-hero{padding:56px 0 88px;}
  .kpi-grid{grid-template-columns:repeat(2,1fr);}
  .masonry{column-count:2;column-gap:20px;}
  .index-row{grid-template-columns:1fr .6fr;grid-template-areas:"name count" "desc desc";gap:8px 16px;}
  .index-row .index-name{grid-area:name;}
  .index-row .index-count{grid-area:count;text-align:right;}
  .index-row .index-desc{grid-area:desc;}
  .index-row.head{display:none;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

/* ===== 响应式：560–767 ===== */
@media (max-width:767px){
  body{font-size:15.5px;line-height:1.8;}
  .container{padding:0 16px;}
  .section{padding:var(--sec-mob) 0;}
  .section-tight{padding:44px 0;}
  .brand-text{font-size:16px;}
  .page-hero{padding:44px 0 76px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .kpi-strip{margin-top:-44px;}
  .kpi{padding:20px 16px;}
  .kpi-num{font-size:26px;}
  .masonry{column-count:1;}
  .m-body{padding:20px 18px 22px;}
  .sec-head{margin-bottom:30px;}
  .faq-q{padding:16px 18px;font-size:16px;}
  .faq-a-inner{margin:0 18px 18px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .site-footer{padding-top:52px;margin-top:var(--sec-mob);}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}

/* ===== 响应式：<560 ===== */
@media (max-width:559px){
  h1{font-size:clamp(24px,7vw,30px);}
  h2{font-size:22px;}
  .header-inner{height:60px;}
  .main-nav{top:60px;}
  .btn{width:100%;height:52px;}
  .btn-sm{width:auto;height:40px;}
  .kpi-grid{grid-template-columns:1fr;}
  .index-row{padding:18px 18px;}
  .m-body{padding:18px 16px 20px;}
  .faq-q{padding:15px 16px;font-size:15.5px;}
  .faq-a-inner{margin:0 16px 16px;}
}

/* roulang page: category4 */
:root{
  --primary:#0B6B63;
  --primary-dark:#0A4A45;
  --accent:#FF6A3D;
  --mint:#8FD3CB;
  --mint-soft:#EEF4F2;
  --bg:#FAF8F4;
  --card:#FFFFFF;
  --text:#12211F;
  --text-2:#4A5B58;
  --text-3:#8A9894;
  --border:rgba(11,107,99,.12);
  --radius-card:18px;
  --radius-img:14px;
  --radius-input:12px;
  --shadow-sm:0 2px 10px rgba(16,32,31,.05);
  --shadow-md:0 8px 24px rgba(16,32,31,.07);
  --shadow-lg:0 16px 40px rgba(16,32,31,.10);
  --space-section:96px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Noto Sans SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 26px;
  border-radius:999px;
  font-size:16px;
  font-weight:600;
  letter-spacing:.2px;
  transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(255,106,61,.24)}
.btn-primary:hover{background:#F05428;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px);box-shadow:0 3px 10px rgba(255,106,61,.22)}
.btn-secondary{background:#fff;color:var(--primary);border:1.5px solid var(--primary)}
.btn-secondary:hover{background:var(--mint-soft);transform:translateY(-1px)}
.btn-secondary:active{transform:translateY(1px)}
.btn-sm{min-height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}

.link-quiet{
  font-size:15px;
  color:var(--text-2);
  padding:6px 2px;
  border-bottom:1px solid transparent;
  transition:color .18s ease,border-color .18s ease;
}
.link-quiet:hover{color:var(--primary);border-color:var(--primary)}

.text-link{
  color:var(--primary);
  font-weight:600;
  text-decoration:underline;
  text-underline-offset:3px;
  text-decoration-thickness:1px;
}
.text-link:hover{color:var(--primary-dark)}

/* ---------- 头部导航 ---------- */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  z-index:80;
  background:rgba(250,248,244,.96);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease,border-color .2s ease,background-color .2s ease;
}
.site-header.is-scrolled{
  background:rgba(250,248,244,.96);
  box-shadow:0 6px 20px rgba(16,32,31,.07);
  border-bottom-color:var(--border);
}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  box-shadow:0 4px 12px rgba(11,107,99,.22);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-size:18px;
  font-weight:800;
  letter-spacing:.4px;
  color:var(--text);
  white-space:nowrap;
}
.main-nav{display:flex;align-items:center;gap:26px}
.nav-list{display:flex;align-items:center;gap:22px}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 2px;
  font-size:15px;
  color:var(--text-2);
  transition:color .18s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:2px;
  border-radius:2px;
  background:var(--primary);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .2s ease;
}
.nav-link:hover{color:var(--primary)}
.nav-link.active{color:var(--primary);font-weight:700}
.nav-link.active::after{transform:scaleX(1)}
.nav-actions{display:flex;align-items:center;gap:16px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--border);
  background:#fff;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:4px;
}
.nav-toggle span{
  display:block;
  width:18px;height:2px;
  border-radius:2px;
  background:var(--text);
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}

/* ---------- 通用板块 ---------- */
main{padding-top:68px}
.section{padding:var(--space-section) 0}
.section-soft{background:var(--mint-soft)}
.section-line{border-top:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.6px;
  color:var(--primary);
  background:rgba(143,211,203,.22);
  padding:5px 12px;
  border-radius:8px;
  margin-bottom:16px;
}
.section-title{
  position:relative;
  padding-left:16px;
  font-size:30px;
  font-weight:800;
  line-height:1.35;
  letter-spacing:.2px;
}
.section-title::before{
  content:"";
  position:absolute;
  left:0;top:.28em;bottom:.28em;
  width:4px;
  border-radius:3px;
  background:var(--primary);
}
.section-title::after{
  content:"";
  position:absolute;
  left:-3px;top:-8px;
  width:10px;height:10px;
  border-radius:50%;
  background:var(--mint);
}
.section-head.center .section-title{padding-left:0}
.section-head.center .section-title::before,
.section-head.center .section-title::after{display:none}
.section-desc{margin-top:12px;color:var(--text-2);font-size:16px}

/* ---------- 页头 ---------- */
.page-hero{
  position:relative;
  padding:72px 0 80px;
  background:
    radial-gradient(920px 380px at 88% -12%,rgba(143,211,203,.28),transparent 62%),
    var(--bg);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:var(--border);
}
.page-hero-inner{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.85fr);
  gap:56px;
  align-items:center;
}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--text-3);
  margin-bottom:20px;
  overflow-x:auto;
  white-space:nowrap;
}
.breadcrumb a{color:var(--text-3);transition:color .18s ease}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:rgba(138,152,148,.6)}
.breadcrumb .current{color:var(--text)}
.page-title{
  font-size:clamp(28px,4vw,44px);
  font-weight:800;
  line-height:1.3;
  letter-spacing:.2px;
}
.page-lede{
  margin-top:16px;
  font-size:17px;
  color:var(--text-2);
  max-width:520px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:32px;
}
.page-hero-media{
  border-radius:var(--radius-card);
  overflow:hidden;
  background:#E7EFED;
  box-shadow:var(--shadow-md);
  border:1px solid var(--border);
}
.page-hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.trust-row{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:34px;
}
.trust-chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:42px;
  padding:0 16px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:12px;
  font-size:14px;
  color:var(--text-2);
  box-shadow:var(--shadow-sm);
}
.trust-chip .dot{
  width:8px;height:8px;
  border-radius:50%;
  background:var(--mint);
  flex-shrink:0;
}

/* ---------- 三要点大卡 ---------- */
.pillar-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.pillar-card{
  background:var(--card);
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  padding:34px 30px;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease;
}
.pillar-card:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.pillar-icon{
  width:48px;height:48px;
  border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(143,211,203,.24);
  color:var(--primary);
  margin-bottom:20px;
}
.pillar-icon svg{width:24px;height:24px}
.pillar-card h3{font-size:20px;font-weight:700;line-height:1.5}
.pillar-card p{margin-top:10px;font-size:15px;color:var(--text-2);line-height:1.8}
.pillar-num{
  display:block;
  font-size:13px;
  font-weight:700;
  letter-spacing:1px;
  color:var(--accent);
  margin-bottom:8px;
}

/* ---------- 安全提醒清单 ---------- */
.tip-list{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px 40px;
  margin-top:8px;
}
.tip-item{
  display:flex;
  gap:14px;
  padding:22px 24px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
.tip-item .tick{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:8px;
  background:var(--primary);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:13px;
  font-weight:700;
  margin-top:4px;
}
.tip-item h3{font-size:17px;font-weight:700;line-height:1.6}
.tip-item p{margin-top:6px;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- 双列问答 ---------- */
.qa-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px var(--gap);
  align-items:start;
}
.qa-item{
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,border-color .18s ease;
}
.qa-item:hover{box-shadow:var(--shadow-md)}
.qa-item.is-open{border-color:rgba(11,107,99,.28)}
.qa-q{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  text-align:left;
  font-size:17px;
  font-weight:700;
  line-height:1.6;
}
.qa-arrow{
  flex-shrink:0;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--mint-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  margin-top:3px;
  transition:transform .2s ease,background-color .2s ease;
}
.qa-arrow svg{width:14px;height:14px}
.qa-item.is-open .qa-arrow{transform:rotate(180deg);background:rgba(143,211,203,.4)}
.qa-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.qa-item.is-open .qa-a{max-height:320px}
.qa-a p{
  padding:0 26px 24px;
  margin:0;
  font-size:15px;
  line-height:1.9;
  color:var(--text-2);
}

/* ---------- 支持通道 ---------- */
.support-band{
  position:relative;
  border-radius:var(--radius-card);
  overflow:hidden;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  box-shadow:var(--shadow-md);
}
.support-band::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,74,69,.94) 0%,rgba(11,107,99,.86) 58%,rgba(10,74,69,.72) 100%);
}
.support-inner{
  position:relative;
  z-index:1;
  padding:56px 48px;
  color:#fff;
}
.support-inner h2{font-size:28px;font-weight:800;line-height:1.4}
.support-inner > p{margin-top:12px;color:rgba(255,255,255,.82);max-width:640px;font-size:15px}
.support-cols{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin-top:34px;
}
.support-col{
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  border-radius:14px;
  padding:22px 24px;
}
.support-col h3{font-size:17px;font-weight:700}
.support-col p{margin-top:8px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.84)}
.support-col .meta{margin-top:12px;font-size:13px;color:#BFEDE6;letter-spacing:.3px}

/* ---------- 相关链接 ---------- */
.rel-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:18px var(--gap);
}
.rel-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:24px 28px;
  background:#fff;
  border:1px solid var(--border);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .18s ease,transform .18s ease;
}
.rel-link:hover{box-shadow:var(--shadow-md);transform:translateY(-2px)}
.rel-link .rel-title{font-size:17px;font-weight:700}
.rel-link .rel-desc{margin-top:6px;font-size:14px;color:var(--text-2)}
.rel-arrow{
  flex-shrink:0;
  width:34px;height:34px;
  border-radius:50%;
  background:var(--mint-soft);
  color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  transition:transform .18s ease;
}
.rel-link:hover .rel-arrow{transform:translateX(4px)}

/* ---------- 底部 CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--primary-dark) 0%,var(--primary) 100%);
  border-radius:var(--radius-card);
  padding:48px 52px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-band h2{font-size:28px;font-weight:800;line-height:1.4}
.cta-band p{margin-top:10px;font-size:15px;color:rgba(255,255,255,.84);max-width:560px}
.cta-band .btn-primary{background:var(--accent);flex-shrink:0}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--primary-dark);
  color:rgba(255,255,255,.78);
  margin-top:var(--space-section);
  padding-top:72px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:52px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-text{color:#fff;font-size:18px;font-weight:800}
.footer-desc{font-size:14px;line-height:1.9;color:rgba(255,255,255,.68);max-width:320px}
.footer-title{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-list li{
  font-size:14px;
  line-height:1.9;
  margin-bottom:10px;
  color:rgba(255,255,255,.72);
}
.footer-list a{transition:color .18s ease}
.footer-list a:hover{color:#8FD3CB}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:1080px}
  .nav-list{gap:16px}
  .nav-link{font-size:14px}
  .page-hero-inner{gap:40px}
}
@media (max-width:1023px){
  :root{--space-section:72px}
  .container{padding:0 24px}
  .main-nav{
    position:fixed;
    top:68px;left:0;right:0;
    max-height:calc(100vh - 68px);
    overflow-y:auto;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    background:#fff;
    border-top:1px solid var(--border);
    box-shadow:var(--shadow-lg);
    padding:8px 24px 28px;
    transform:translateY(-12px);
    opacity:0;
    visibility:hidden;
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .main-nav.is-open{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-list{flex-direction:column;align-items:stretch;gap:0}
  .nav-list li{border-bottom:1px solid var(--border)}
  .nav-link{display:block;padding:16px 4px;font-size:16px;min-height:44px}
  .nav-link::after{display:none}
  .nav-link.active{color:var(--primary)}
  .nav-actions{flex-direction:column;align-items:stretch;gap:12px;margin-top:22px}
  .nav-actions .btn{width:100%}
  .nav-actions .link-quiet{text-align:center;padding:10px 0}
  .nav-toggle{display:flex}
  .page-hero{padding:52px 0 60px}
  .page-hero-inner{grid-template-columns:1fr;gap:32px}
  .pillar-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .qa-grid{grid-template-columns:1fr}
  .support-cols{grid-template-columns:1fr}
  .support-inner{padding:44px 32px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
}
@media (max-width:767px){
  :root{--space-section:56px;--gap:16px}
  .container{padding:0 16px}
  body{font-size:16px;line-height:1.8}
  .section-title{font-size:23px}
  .page-title{font-size:28px}
  .page-lede{font-size:16px}
  .pillar-grid{grid-template-columns:1fr}
  .pillar-card{padding:26px 22px}
  .tip-list{grid-template-columns:1fr}
  .tip-item{padding:18px 18px}
  .rel-grid{grid-template-columns:1fr}
  .qa-q{padding:18px 20px;font-size:16px}
  .qa-a p{padding:0 20px 20px}
  .support-inner{padding:36px 22px}
  .support-inner h2{font-size:23px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:23px}
  .cta-band .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-desc{max-width:none}
}
@media (max-width:559px){
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .btn{min-height:52px}
  .section-head{margin-bottom:30px}
  .trust-row{gap:10px}
  .trust-chip{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}