/* roulang page: index */
:root{
  --brand:#1F6F8B;
  --brand-2:#236B8E;
  --brand-deep:#155063;
  --brand-soft:#E7F1F5;
  --accent:#E8825B;
  --accent-deep:#E86A4A;
  --accent-soft:#FDEDE5;
  --ok:#2E8B6D;
  --ok-soft:#E6F4EF;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --text:#12212B;
  --muted:#5C6F7E;
  --line:#E3ECF2;
  --line-soft:#EEF4F8;
  --r-xl:20px;
  --r-lg:16px;
  --r-md:12px;
  --sh:0 10px 30px rgba(17,45,70,.08);
  --sh-h:0 16px 40px rgba(17,45,70,.14);
  --max:1200px;
  --nav-h:70px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:17px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:14px;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.22;color:var(--text);letter-spacing:.2px;}
h1{font-size:44px;line-height:1.18;}
h2{font-size:32px;font-weight:700;}
h3{font-size:21px;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:3px solid rgba(31,111,139,.35);outline-offset:2px;border-radius:6px;}

.wrap{max-width:var(--max);margin:0 auto;padding:0 20px;width:100%;}
.wrap-wide{max-width:1280px;}
.section{padding:88px 0;}
.section-sm{padding:64px 0;}
.section-tight{padding:56px 0;}
.bg-white{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.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:700;letter-spacing:.12em;
  color:var(--brand);background:var(--brand-soft);
  border:1px solid #CFE3EB;border-radius:999px;
  padding:7px 16px;margin-bottom:18px;
}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:17px;}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 2px 14px rgba(17,45,70,.06);}
.nav-top{border-bottom:1px solid var(--line-soft);}
.nav-top-inner{display:flex;align-items:center;gap:24px;min-height:var(--nav-h);}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 auto;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;letter-spacing:.5px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:20px;font-weight:800;letter-spacing:.4px;}
.brand-sub{font-size:11px;letter-spacing:.22em;color:var(--muted);text-transform:uppercase;}
.search-box{flex:1 1 auto;max-width:420px;position:relative;}
.search-box input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);padding:0 48px 0 20px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:#93A6B2;}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(31,111,139,.12);}
.search-box i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;flex:0 0 auto;}
.nav-link-quiet{font-size:15px;font-weight:600;color:var(--muted);}
.nav-link-quiet:hover{color:var(--brand);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:50px;padding:0 26px;border-radius:12px;border:1px solid transparent;
  font-size:16px;font-weight:700;cursor:pointer;text-align:center;
  transition:transform .18s ease,background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease;
}
.btn-sm{min-height:44px;padding:0 20px;font-size:15px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(21,80,99,.24);}
.btn-accent{background:var(--accent-deep);color:#fff;}
.btn-accent:hover{background:#D25C3E;color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(226,106,74,.26);}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BFD8E2;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-block{width:100%;}

.nav-tabs{border-bottom:1px solid var(--line-soft);background:#FBFDFE;}
.nav-tabs-inner{display:flex;align-items:center;gap:10px;min-height:54px;overflow-x:auto;scrollbar-width:none;}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:9px 18px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:all .18s ease;
}
.tab-pill:hover{background:var(--line-soft);color:var(--brand-deep);}
.tab-pill.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:#C6DEE8;}
.tab-pill i{font-size:13px;opacity:.85;}

/* ---------- hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 42%,rgba(246,249,251,.5) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  padding:104px 0 96px;
  border-bottom:1px solid var(--line-soft);
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:22px;}
.badge{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-deep);
}
.badge-accent{background:var(--accent-soft);border-color:#F6D4C6;color:#B94E2F;}
.badge-ok{background:var(--ok-soft);border-color:#C9E6DB;color:#206B53;}
.hero h1{margin-bottom:20px;}
.hero .lede{font-size:18px;color:#3E5563;max-width:560px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-facts{display:flex;flex-wrap:wrap;gap:28px;padding-top:26px;border-top:1px solid var(--line);}
.fact-num{font-size:26px;font-weight:800;color:var(--brand-deep);font-variant-numeric:tabular-nums;line-height:1.2;}
.fact-label{font-size:13px;color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{border-radius:var(--r-xl);box-shadow:var(--sh-h);width:100%;}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh);padding:16px 20px;max-width:250px;
}
.hero-float strong{display:block;font-size:15px;margin-bottom:4px;color:var(--brand-deep);}
.hero-float span{font-size:13px;color:var(--muted);}

/* ---------- trust strip ---------- */
.trust-strip{background:#fff;border-bottom:1px solid var(--line-soft);padding:26px 0;}
.trust-items{display:flex;flex-wrap:wrap;gap:14px 36px;align-items:center;justify-content:space-between;}
.trust-item{display:flex;align-items:center;gap:10px;font-size:15px;color:#3E5563;font-weight:600;}
.trust-item i{color:var(--brand);font-size:17px;}

/* ---------- steps ---------- */
.steps{position:relative;display:grid;gap:26px;}
.step{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh);padding:30px 32px;display:grid;grid-template-columns:auto 1fr auto;
  gap:26px;align-items:center;transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.step:nth-child(even){margin-left:56px;}
.step:nth-child(odd){margin-right:56px;}
.step-no{
  width:64px;height:64px;border-radius:18px;flex:0 0 auto;
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:22px;font-weight:800;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step:nth-child(2) .step-no{background:var(--accent-soft);color:#B94E2F;}
.step:nth-child(3) .step-no{background:var(--ok-soft);color:#1F6B52;}
.step-body h3{margin-bottom:8px;}
.step-body p{color:var(--muted);font-size:16px;margin-bottom:12px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;}
.tag{
  font-size:12.5px;font-weight:600;color:var(--brand-deep);
  background:var(--line-soft);border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.tag-accent{background:var(--accent-soft);border-color:#F6D4C6;color:#B94E2F;}
.tag-ok{background:var(--ok-soft);border-color:#C9E6DB;color:#1F6B52;}

/* ---------- plans ---------- */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch;}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:32px 28px;display:flex;flex-direction:column;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-h);}
.plan-featured{border:2px solid var(--brand);background:linear-gradient(180deg,#F2F9FC 0%,#fff 46%);position:relative;}
.plan-flag{
  position:absolute;top:-14px;left:50%;transform:translateX(-50%);
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;
  padding:5px 16px;border-radius:999px;white-space:nowrap;
}
.plan h3{font-size:22px;margin-bottom:6px;}
.plan-fit{font-size:14px;color:var(--muted);min-height:44px;margin-bottom:18px;}
.plan-price{
  font-size:34px;font-weight:800;color:var(--brand-deep);
  font-variant-numeric:tabular-nums;line-height:1.1;margin-bottom:6px;
}
.plan-price small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;}
.plan-note{font-size:13px;color:var(--muted);margin-bottom:20px;}
.plan-list{border-top:1px dashed var(--line);padding-top:20px;margin-bottom:26px;flex:1 1 auto;}
.plan-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#3E5563;padding:6px 0;}
.plan-list i{color:var(--ok);margin-top:4px;font-size:14px;flex:0 0 auto;}
.plan-list li.muted i{color:#A9BAC5;}
.plan-list li.muted{color:#8B9BA6;}

/* ---------- limited ---------- */
.limited{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(115deg,rgba(21,80,99,.94) 0%,rgba(31,111,139,.9) 58%,rgba(31,111,139,.72) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
}
.limited .wrap{position:relative;z-index:2;}
.limited-grid{display:grid;grid-template-columns:1.2fr .8fr;gap:48px;align-items:center;}
.limited h2{color:#fff;}
.limited p{color:rgba(255,255,255,.85);}
.countdown{display:flex;gap:12px;margin:26px 0 30px;}
.cd-cell{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  border-radius:var(--r-md);padding:12px 16px;min-width:76px;text-align:center;
}
.cd-num{font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.15;}
.cd-label{font-size:12px;color:rgba(255,255,255,.75);}
.limited-card{
  background:#fff;border-radius:var(--r-xl);padding:30px;box-shadow:0 20px 50px rgba(6,32,44,.3);color:var(--text);
}
.limited-card h3{margin-bottom:14px;}
.limited-card li{display:flex;gap:10px;font-size:15px;color:#3E5563;padding:7px 0;border-bottom:1px dashed var(--line);}
.limited-card li:last-of-type{border-bottom:none;}
.limited-card li i{color:var(--accent-deep);margin-top:4px;}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:#BFD8E2;}
.news-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--line-soft);}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.news-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.news-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);margin-bottom:12px;}
.news-meta .cat{background:var(--brand-soft);color:var(--brand-deep);border-radius:999px;padding:3px 11px;font-weight:600;}
.news-body h3{font-size:19px;margin-bottom:10px;}
.news-body h3 a{color:var(--text);}
.news-body h3 a:hover{color:var(--brand);}
.news-body p{font-size:15px;color:var(--muted);flex:1 1 auto;margin-bottom:16px;}
.read-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.read-more:hover{gap:10px;color:var(--brand-deep);}
.empty-state{
  grid-column:1/-1;text-align:center;background:#fff;border:1px dashed #C9DCE4;
  border-radius:var(--r-lg);padding:52px 24px;color:var(--muted);
}
.empty-state i{font-size:30px;color:#A9C3CE;display:block;margin-bottom:14px;}
.empty-state strong{display:block;color:var(--text);font-size:17px;margin-bottom:6px;}

/* ---------- testimonials ---------- */
.review-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.review{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh);display:flex;flex-direction:column;gap:14px;
}
.stars{color:#E8A33D;font-size:14px;letter-spacing:2px;}
.review p{font-size:15.5px;color:#3E5563;}
.review-user{display:flex;align-items:center;gap:12px;margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);}
.avatar{
  width:40px;height:40px;border-radius:50%;background:var(--brand-soft);color:var(--brand-deep);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex:0 0 auto;
}
.review-user b{display:block;font-size:14.5px;color:var(--text);}
.review-user span{font-size:12.5px;color:var(--muted);}

/* ---------- form ---------- */
.consult{background:#fff;border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.consult-grid{display:grid;grid-template-columns:.92fr 1.08fr;gap:52px;align-items:start;}
.consult-points{margin-top:26px;display:grid;gap:14px;}
.consult-points li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:#3E5563;}
.consult-points i{color:var(--brand);margin-top:5px;}
.form-card{background:var(--bg);border:1px solid var(--line);border-radius:var(--r-xl);padding:32px;box-shadow:var(--sh);}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:700;margin-bottom:8px;color:#2C4250;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);border-radius:var(--r-md);
  background:#fff;padding:0 16px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input,.field select{height:50px;}
.field textarea{padding:14px 16px;min-height:118px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,111,139,.12);
}
.field .hint{font-size:12.5px;color:var(--muted);margin-top:7px;}
.two-col{display:grid;grid-template-columns:1fr 1fr;gap:18px;}
.form-note{font-size:13px;color:var(--muted);margin-top:14px;text-align:center;}

/* ---------- faq ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#BFD8E2;box-shadow:var(--sh);}
.faq-item summary{
  cursor:pointer;list-style:none;padding:22px 26px;
  display:flex;align-items:center;gap:16px;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:700;color:var(--brand);
  line-height:1;transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–";}
.faq-item summary:hover{color:var(--brand-deep);}
.faq-answer{padding:0 26px 24px;color:var(--muted);font-size:16px;border-top:1px solid var(--line-soft);padding-top:18px;margin-top:2px;}

/* ---------- cta band ---------- */
.cta-band{
  background:var(--brand-soft);border-top:1px solid #D6E7EE;border-bottom:1px solid #D6E7EE;
}
.cta-band-inner{
  display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
  padding:44px 0;
}
.cta-band h2{font-size:27px;margin-bottom:8px;}
.cta-band p{color:#3E5563;font-size:16px;}

/* ---------- footer ---------- */
.site-footer{background:#12333F;color:#C5D6DD;padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand .brand-name{color:#fff;font-size:19px;}
.footer-brand .brand-sub{color:#8FA9B3;}
.footer-brand p{font-size:14.5px;color:#A6BDC6;margin-top:16px;max-width:320px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:16px;font-weight:700;}
.footer-col li{padding:5px 0;}
.footer-col a{color:#A6BDC6;font-size:14.5px;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:#A6BDC6;padding:5px 0;}
.footer-contact i{color:#7FC0D6;margin-top:5px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8FA9B3;
}
.footer-bottom a{color:#8FA9B3;}
.footer-bottom a:hover{color:#fff;}

@media screen and (max-width:1199px){
  h1{font-size:40px;}
  .hero-grid{gap:40px;}
  .step:nth-child(even){margin-left:32px;}
  .step:nth-child(odd){margin-right:32px;}
}
@media screen and (max-width:1023px){
  body{font-size:16px;}
  h1{font-size:34px;}
  h2{font-size:27px;}
  .section{padding:64px 0;}
  .hero{padding:72px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero .lede{max-width:none;}
  .plan-grid{grid-template-columns:1fr;gap:20px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .review-grid{grid-template-columns:1fr;}
  .consult-grid{grid-template-columns:1fr;gap:34px;}
  .limited-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .step{grid-template-columns:auto 1fr;padding:26px;}
  .step .btn{grid-column:1/-1;width:100%;}
  .step:nth-child(even){margin-left:0;}
  .step:nth-child(odd){margin-right:0;}
}
@media screen and (max-width:767px){
  .search-box{display:none;}
  .nav-actions .nav-link-quiet{display:none;}
  .brand-name{font-size:18px;}
  .brand-sub{font-size:10px;letter-spacing:.16em;}
  .news-grid{grid-template-columns:1fr;}
  .trust-items{justify-content:flex-start;gap:12px 22px;}
  .cta-band-inner{flex-direction:column;align-items:flex-start;padding:36px 0;}
  .cta-band-inner .btn{width:100%;}
}
@media screen and (max-width:559px){
  h1{font-size:28px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .wrap{padding:0 16px;}
  .section{padding:48px 0;}
  .hero{padding:56px 0 52px;}
  .hero-facts{gap:20px;}
  .fact-num{font-size:22px;}
  .step{grid-template-columns:1fr;padding:22px;gap:16px;}
  .step-no{width:52px;height:52px;font-size:19px;border-radius:14px;}
  .two-col{grid-template-columns:1fr;}
  .form-card{padding:22px;}
  .faq-item summary{padding:18px 18px;font-size:16px;}
  .faq-answer{padding:16px 18px 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-float{position:static;margin-top:16px;max-width:none;}
  .countdown{gap:8px;}
  .cd-cell{min-width:0;flex:1;padding:10px 8px;}
  .cd-num{font-size:21px;}
}

/* roulang page: article */
:root{
  --primary:#1F6F8B;
  --primary-deep:#155165;
  --primary-soft:#EAF3F7;
  --primary-line:#CFE3EC;
  --accent:#E8825B;
  --accent-deep:#D2663F;
  --accent-soft:#FDF1EB;
  --ok:#2E8B6D;
  --ok-soft:#EAF6F1;
  --page:#F6F9FB;
  --card:#FFFFFF;
  --ink:#12212B;
  --ink-2:#5C6F7E;
  --ink-3:#8697A3;
  --line:#E3ECF2;
  --line-soft:#EEF4F8;
  --radius-l:20px;
  --radius-m:16px;
  --radius-s:12px;
  --shadow-s:0 4px 14px rgba(17,45,70,.06);
  --shadow-m:0 10px 30px rgba(17,45,70,.08);
  --shadow-l:0 16px 40px rgba(17,45,70,.14);
  --sp-1:8px;--sp-2:16px;--sp-3:24px;--sp-4:32px;--sp-5:48px;--sp-6:72px;--sp-7:96px;
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--page);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
a:hover{color:var(--primary-deep);}
button,input,select,textarea{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,111,139,.35);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.wrap-wide{width:100%;max-width:1280px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(8px);
  border-bottom:1px solid var(--line);
}
.nav-top{background:#fff;}
.nav-top-inner{
  display:flex;align-items:center;gap:24px;min-height:70px;
}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-deep) 100%);
  color:#fff;font-weight:800;font-size:17px;letter-spacing:.5px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(31,111,139,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:1.4px;text-transform:uppercase;}
.search-box{position:relative;flex:1 1 auto;max-width:420px;}
.search-box input{
  width:100%;height:44px;border-radius:999px;border:1px solid var(--line);
  background:#F9FCFD;padding:0 44px 0 18px;font-size:14.5px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(31,111,139,.12);}
.search-box i{position:absolute;right:16px;top:50%;transform:translateY(-50%);color:var(--ink-3);font-size:14px;pointer-events:none;}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.nav-link-quiet{font-size:14.5px;color:var(--ink-2);font-weight:600;padding:8px 4px;}
.nav-link-quiet:hover{color:var(--primary);}
.nav-tabs{border-top:1px solid var(--line-soft);background:#FBFDFE;}
.nav-tabs-inner{
  display:flex;gap:8px;align-items:center;min-height:54px;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
  -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
  mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:8px 16px;border-radius:999px;border:1px solid transparent;
  font-size:14.5px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.tab-pill i{font-size:12.5px;opacity:.85;}
.tab-pill:hover{background:var(--line-soft);color:var(--primary-deep);}
.tab-pill.is-active{background:var(--primary-soft);color:var(--primary-deep);border-color:var(--primary-line);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--radius-s);
  font-size:15.5px;font-weight:700;border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:11px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 22px rgba(31,111,139,.24);}
.btn-primary:hover{background:var(--primary-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,111,139,.28);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 22px rgba(232,130,91,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;color:var(--primary-deep);border-color:var(--primary-line);}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary-deep);transform:translateY(-2px);}
.btn:active{transform:translateY(0);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background-image:linear-gradient(115deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.86) 46%,rgba(246,249,251,.72) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.article-hero .inner{padding:40px 0 56px;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--ink-2);margin-bottom:22px;}
.breadcrumb a{color:var(--ink-2);font-weight:600;}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb i{font-size:10px;color:var(--ink-3);}
.breadcrumb .current{color:var(--ink-3);}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:5px 13px;border-radius:999px;
  font-size:12.5px;font-weight:700;letter-spacing:.2px;
}
.pill-cat{background:var(--primary-soft);color:var(--primary-deep);border:1px solid var(--primary-line);}
.pill-time{background:#fff;color:var(--ink-2);border:1px solid var(--line);}
.pill-ok{background:var(--ok-soft);color:var(--ok);border:1px solid #CDE9DF;}
.pill-accent{background:var(--accent-soft);color:var(--accent-deep);border:1px solid #F7DACC;}
.article-title{
  font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.5px;color:var(--ink);
  max-width:900px;word-break:break-word;
}
.article-lead{
  margin-top:18px;max-width:820px;font-size:16.5px;line-height:1.85;color:var(--ink-2);
}

/* ---------- layout ---------- */
main{display:block;}
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.article-layout{
  display:grid;grid-template-columns:minmax(0,820px) minmax(260px,1fr);
  gap:56px;align-items:start;
}
.article-main{min-width:0;}
.article-side{position:sticky;top:150px;display:flex;flex-direction:column;gap:20px;}

.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-m);
}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--primary);font-size:15px;}
.side-list li{border-bottom:1px dashed var(--line);}
.side-list li:last-child{border-bottom:0;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--ink);font-weight:600;
}
.side-list a:hover{color:var(--primary);}
.side-list i{font-size:11px;color:var(--ink-3);}
.side-note{font-size:13.5px;color:var(--ink-2);line-height:1.8;margin-bottom:16px;}
.side-cta{background:linear-gradient(150deg,#F2F9FB 0%,#EAF3F7 100%);border-color:var(--primary-line);}
.side-cta h3{color:var(--primary-deep);}
.side-cta .btn{width:100%;margin-top:6px;}

/* ---------- article content ---------- */
.article-content{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  padding:44px 48px;box-shadow:var(--shadow-m);
  font-size:17.5px;line-height:1.85;color:var(--ink);overflow-wrap:break-word;
}
.article-content > *:first-child{margin-top:0;}
.article-content h2{
  font-size:28px;line-height:1.35;font-weight:700;margin:44px 0 16px;
  padding-left:14px;border-left:4px solid var(--primary);color:var(--ink);
}
.article-content h3{font-size:21px;line-height:1.45;font-weight:700;margin:32px 0 12px;color:var(--primary-deep);}
.article-content h4{font-size:18px;font-weight:700;margin:24px 0 10px;}
.article-content p{margin:0 0 1.05em;}
.article-content a{color:var(--primary);border-bottom:1px solid var(--primary-line);}
.article-content a:hover{color:var(--primary-deep);border-bottom-color:var(--primary-deep);}
.article-content strong{font-weight:700;color:var(--primary-deep);}
.article-content ul,.article-content ol{margin:0 0 1.2em;padding-left:0;}
.article-content ul li{position:relative;padding-left:22px;margin-bottom:.5em;}
.article-content ul li::before{
  content:"";position:absolute;left:4px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--primary);opacity:.75;
}
.article-content ol{counter-reset:item;}
.article-content ol li{position:relative;padding-left:30px;margin-bottom:.5em;counter-increment:item;}
.article-content ol li::before{
  content:counter(item);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary-deep);font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
}
.article-content blockquote{
  margin:24px 0;padding:20px 24px;background:#F3F9FB;border-left:4px solid var(--primary);
  border-radius:0 var(--radius-m) var(--radius-m) 0;color:#254352;
}
.article-content blockquote p:last-child{margin-bottom:0;}
.article-content img{border-radius:var(--radius-m);margin:24px auto;box-shadow:var(--shadow-s);}
.article-content hr{border:0;border-top:1px solid var(--line-soft);margin:32px 0;}
.article-content table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15.5px;
}
.article-content th,.article-content td{
  border:1px solid var(--line);padding:11px 14px;text-align:left;white-space:nowrap;
}
.article-content th{background:var(--primary-soft);color:var(--primary-deep);font-weight:700;}
.article-content code{
  background:var(--line-soft);border-radius:6px;padding:2px 7px;font-size:15px;
  font-family:ui-monospace,Menlo,Consolas,monospace;
}

/* ---------- empty ---------- */
.article-empty{
  background:var(--card);border:1px dashed var(--primary-line);border-radius:var(--radius-l);
  padding:64px 40px;text-align:center;box-shadow:var(--shadow-s);
}
.article-empty i{font-size:40px;color:var(--primary);opacity:.6;}
.article-empty h2{font-size:24px;font-weight:700;margin:18px 0 10px;}
.article-empty p{color:var(--ink-2);font-size:15.5px;max-width:520px;margin:0 auto 24px;}

/* ---------- related ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head h2{font-size:32px;font-weight:700;line-height:1.3;}
.sec-head p{color:var(--ink-2);font-size:15.5px;margin-top:10px;max-width:640px;}
.sec-head .more{font-size:14.5px;font-weight:700;color:var(--primary);}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-m);display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-l);border-color:var(--primary-line);}
.related-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--line-soft);}
.related-thumb img{width:100%;height:100%;object-fit:cover;}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.related-body h3{font-size:19px;font-weight:700;line-height:1.45;}
.related-body h3 a{color:var(--ink);}
.related-body h3 a:hover{color:var(--primary);}
.related-body p{font-size:14.5px;color:var(--ink-2);line-height:1.8;flex:1;}
.card-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center;font-size:12.5px;color:var(--ink-3);}

/* ---------- channel strip ---------- */
.channel-strip{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.channel-grid{display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:16px;padding:40px 0;}
.channel-item{
  display:flex;flex-direction:column;gap:6px;padding:18px 16px;border-radius:var(--radius-m);
  border:1px solid var(--line);background:#FBFDFE;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.channel-item:hover{background:var(--primary-soft);border-color:var(--primary-line);transform:translateY(-3px);}
.channel-item strong{font-size:15.5px;color:var(--ink);font-weight:700;}
.channel-item span{font-size:12.5px;color:var(--ink-2);line-height:1.7;}

/* ---------- cta ---------- */
.cta-band{
  background:linear-gradient(150deg,#F4FAFC 0%,#EAF3F7 100%);
  border:1px solid var(--primary-line);border-radius:24px;padding:48px;
  display:grid;grid-template-columns:1.25fr .9fr;gap:40px;align-items:center;
}
.cta-band h2{font-size:32px;font-weight:800;line-height:1.3;color:var(--primary-deep);}
.cta-band p{margin-top:14px;font-size:16px;color:#33525F;line-height:1.85;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px;}
.cta-points{display:flex;flex-direction:column;gap:12px;}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:#2B4A58;}
.cta-points i{color:var(--ok);margin-top:5px;}

/* ---------- footer ---------- */
.site-footer{background:#12333F;color:#C5D6DE;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding:64px 0 40px;
}
.footer-brand .brand-name{color:#fff;}
.footer-brand .brand-sub{color:#7FA0AD;}
.footer-brand .brand-mark{background:linear-gradient(140deg,#2A87A6 0%,#1F6F8B 100%);box-shadow:none;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.9;color:#9DB6C0;max-width:340px;}
.footer-col h4{font-size:15.5px;color:#fff;font-weight:700;margin-bottom:18px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#A9C1CB;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A9C1CB;line-height:1.75;}
.footer-contact i{color:#4FA6C4;margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8CABB6;
}
.footer-bottom a{color:#9FC3CF;}
.footer-bottom a:hover{color:#fff;}

/* ---------- responsive ---------- */
@media screen and (max-width:1199px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:40px;}
  .article-side{position:static;flex-direction:row;flex-wrap:wrap;}
  .article-side > *{flex:1 1 280px;}
  .article-title{font-size:38px;}
}
@media screen and (max-width:1023px){
  .nav-top-inner{flex-wrap:wrap;padding:12px 0;gap:14px;}
  .search-box{order:3;max-width:none;flex:1 1 100%;}
  .nav-actions{margin-left:auto;}
  .channel-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .article-content{padding:32px 28px;font-size:17px;}
  .article-title{font-size:34px;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px;}
}
@media screen and (max-width:767px){
  .wrap,.wrap-wide{padding:0 18px;}
  .nav-link-quiet{display:none;}
  .article-hero .inner{padding:28px 0 40px;}
  .article-title{font-size:28px;letter-spacing:0;}
  .article-lead{font-size:15.5px;}
  .article-content{padding:24px 20px;font-size:16.5px;line-height:1.85;}
  .article-content h2{font-size:23px;margin:32px 0 14px;}
  .article-content h3{font-size:19px;}
  .sec-head h2{font-size:25px;}
  .related-grid{grid-template-columns:1fr;}
  .channel-grid{grid-template-columns:1fr 1fr;gap:12px;padding:32px 0;}
  .cta-band{padding:30px 22px;border-radius:20px;}
  .cta-band h2{font-size:25px;}
  .cta-actions .btn{width:100%;}
  .section{padding:44px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media screen and (max-width:520px){
  .brand-name{font-size:16px;}
  .brand-sub{display:none;}
  .article-title{font-size:25px;}
  .channel-grid{grid-template-columns:1fr;}
}

/* roulang page: category1 */
:root{
  --brand:#1F6F8B;
  --brand-2:#236B8E;
  --brand-dark:#15586F;
  --brand-deep:#0F3F52;
  --brand-soft:#E7F1F5;
  --accent:#E8825B;
  --accent-dark:#D96A41;
  --accent-soft:#FDF0EA;
  --success:#2E8B6D;
  --success-soft:#EAF6F1;
  --danger:#D8534A;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --text:#12212B;
  --muted:#5C6F7E;
  --line:#E3ECF2;
  --soft:#EEF4F8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(17,45,70,.08);
  --sh-hover:0 16px 40px rgba(17,45,70,.14);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button,input,select,textarea{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:clamp(28px,4vw,46px);line-height:1.18;font-weight:800;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h3{font-size:clamp(18px,2vw,22px);line-height:1.4;font-weight:600;}
p{color:var(--muted);}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.wrap-wide{max-width:1320px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background-color .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,111,139,.24);}
.btn-primary:hover{background:var(--brand-dark);transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,111,139,.30);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(232,130,91,.26);}
.btn-accent:hover{background:var(--accent-dark);transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-dark);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14.5px;}
.btn:focus-visible{outline:3px solid rgba(31,111,139,.28);outline-offset:2px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 13px;border-radius:999px;
  font-size:13px;font-weight:600;background:#fff;border:1px solid var(--line);color:var(--brand-dark);
}
.badge-accent{background:var(--accent-soft);color:#BF4F27;border-color:#F5DACB;}
.badge-success{background:var(--success-soft);color:#1F6B51;border-color:#CFE8DE;}
.tag{
  display:inline-flex;align-items:center;padding:6px 12px;border-radius:8px;
  font-size:13px;font-weight:600;background:var(--soft);color:var(--brand-dark);border:1px solid var(--line);
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13.5px;font-weight:700;
  letter-spacing:.08em;color:var(--brand);text-transform:uppercase;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--accent);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;box-shadow:0 1px 0 var(--line),0 8px 24px rgba(17,45,70,.06);}
.nav-top-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:inset 0 -2px 0 rgba(0,0,0,.12);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-weight:800;font-size:19px;color:var(--brand-deep);letter-spacing:.01em;}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.search-box{position:relative;flex:1 1 auto;max-width:420px;margin:0 auto;}
.search-box input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line);
  background:var(--soft);padding:0 46px 0 20px;font-size:15px;outline:none;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease;
}
.search-box input::placeholder{color:#93A6B2;}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,139,.12);}
.search-box i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);pointer-events:none;}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-link-quiet{font-size:15px;font-weight:500;color:var(--muted);}
.nav-link-quiet:hover{color:var(--brand);}
.nav-tabs{border-top:1px solid var(--line);background:#fff;}
.nav-tabs-inner{display:flex;gap:8px;overflow-x:auto;padding:10px 0;scrollbar-width:none;-ms-overflow-style:none;}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:999px;font-size:14.5px;font-weight:600;
  color:var(--muted);border:1px solid transparent;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.tab-pill:hover{background:var(--soft);color:var(--brand-dark);}
.tab-pill.is-active{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(31,111,139,.28);}

/* ---------- Hero ---------- */
.hero-cat1{
  position:relative;padding:80px 0 88px;border-bottom:1px solid var(--line);
  background-image:
    linear-gradient(100deg,rgba(246,249,251,.98) 0%,rgba(246,249,251,.92) 46%,rgba(246,249,251,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-cat1 h1{margin:18px 0 0;max-width:640px;}
.hero-cat1 h1 em{font-style:normal;color:var(--brand);}
.hero-lead{margin-top:18px;max-width:560px;font-size:17.5px;line-height:1.8;color:var(--muted);}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-foot{margin-top:18px;font-size:14px;color:var(--muted);display:flex;align-items:center;gap:8px;}
.hero-foot i{color:var(--success);}
.hero-media{position:relative;margin-top:36px;}
.hero-media img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh);border:1px solid var(--line);}
.hero-float{
  position:absolute;left:-18px;bottom:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);box-shadow:var(--sh-hover);padding:14px 18px;
  display:flex;align-items:center;gap:12px;
}
.hero-float .hf-num{font-size:24px;font-weight:800;color:var(--brand);line-height:1;}
.hero-float .hf-txt{font-size:12.5px;color:var(--muted);line-height:1.4;}

/* ---------- 通用板块 ---------- */
.section{padding:80px 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{margin-top:14px;}
.section-head p{margin-top:14px;font-size:16.5px;}

/* ---------- 权益标签条 ---------- */
.topic-bar{padding:34px 0;background:#fff;border-bottom:1px solid var(--line);}
.topic-bar-title{font-size:14px;font-weight:700;color:var(--brand-dark);display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.topic-scroll{display:flex;gap:10px;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
.topic-scroll::-webkit-scrollbar{display:none;}
.topic-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:8px;padding:10px 16px;
  border-radius:12px;background:var(--soft);border:1px solid var(--line);
  font-size:14px;font-weight:600;color:var(--brand-dark);
  transition:background-color .2s ease,border-color .2s ease,transform .2s ease;
}
.topic-chip:hover{background:var(--brand-soft);border-color:rgba(31,111,139,.30);transform:translateY(-2px);}

/* ---------- 卡片 ---------- */
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:28px;height:100%;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D3E3EC;}
.card-media{border-radius:14px;overflow:hidden;border:1px solid var(--line);margin-bottom:20px;}
.card-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.card h3{margin-bottom:12px;}
.card p{font-size:15.5px;}

/* 不等宽总览 */
.overview-main p{margin-top:14px;}
.overview-list{list-style:none;margin-top:22px;display:flex;flex-direction:column;gap:16px;}
.overview-list li{display:flex;gap:14px;align-items:flex-start;}
.ov-idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-dark);font-weight:800;font-size:14px;
}
.ov-body strong{display:block;font-size:16px;color:var(--text);font-weight:700;margin-bottom:4px;}
.ov-body span{font-size:14.5px;color:var(--muted);}
.check-list{list-style:none;margin-top:18px;display:flex;flex-direction:column;gap:14px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text);}
.check-list i{color:var(--success);margin-top:5px;}
.side-note{
  margin-top:24px;padding:18px;border-radius:var(--r-md);
  background:var(--soft);border:1px dashed #CFE0E9;font-size:14px;color:var(--muted);
}

/* ---------- 数据条 ---------- */
.stat-strip{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh);padding:32px 24px;}
.stat-item{text-align:center;padding:14px 10px;position:relative;}
.stat-item .st-num{font-size:clamp(28px,3.4vw,38px);font-weight:800;color:var(--brand);line-height:1.1;}
.stat-item .st-num small{font-size:16px;font-weight:700;margin-left:2px;}
.stat-item .st-label{margin-top:8px;font-size:14.5px;color:var(--muted);}
.stat-item + .stat-item::before{
  content:"";position:absolute;left:0;top:20%;height:60%;width:1px;background:var(--line);
}

/* ---------- 权益分层图文 ---------- */
.layer-row{padding:36px 0;border-bottom:1px dashed #DCE8EF;}
.layer-row:last-child{border-bottom:0;padding-bottom:0;}
.layer-row:first-child{padding-top:0;}
.layer-img{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh);}
.layer-img img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.layer-body{padding:8px 0;}
.layer-body h3{margin:14px 0 12px;}
.layer-body p{font-size:16px;}
.layer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px;}
.layer-link{display:inline-flex;align-items:center;gap:8px;margin-top:20px;font-weight:700;color:var(--brand);font-size:15px;}
.layer-link:hover{color:var(--brand-dark);gap:12px;}
.layer-step{
  display:inline-flex;align-items:center;justify-content:center;
  padding:5px 12px;border-radius:8px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:700;letter-spacing:.05em;
}

/* ---------- 评价 ---------- */
.voice-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;height:100%;box-shadow:var(--sh);
  transition:transform .25s ease,box-shadow .25s ease;
}
.voice-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);}
.voice-stars{color:#E8A33D;font-size:13px;letter-spacing:2px;margin-bottom:14px;}
.voice-card p{font-size:15.5px;color:var(--text);line-height:1.8;}
.voice-meta{margin-top:18px;padding-top:16px;border-top:1px solid var(--soft);font-size:13.5px;color:var(--muted);display:flex;align-items:center;gap:10px;}
.voice-ava{width:32px;height:32px;border-radius:50%;background:var(--brand-soft);color:var(--brand-dark);display:grid;place-items:center;font-weight:800;font-size:13px;}

/* ---------- FAQ ---------- */
.faq-acc{border:0;background:transparent;}
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:14px;box-shadow:0 6px 18px rgba(17,45,70,.05);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-acc .accordion-item:hover{border-color:#D3E3EC;}
.faq-acc .accordion-item.is-active{border-color:rgba(31,111,139,.32);box-shadow:var(--sh);}
.faq-acc .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:600;color:var(--text);
  border:0;background:transparent;line-height:1.5;
}
.faq-acc .accordion-title h3{font-size:17px;font-weight:600;margin:0;}
.faq-acc .accordion-title::before{
  content:"+";position:static;float:none;transform:none;
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  display:grid;place-items:center;background:var(--soft);color:var(--brand-dark);
  font-size:17px;font-weight:700;line-height:1;
}
.faq-acc .accordion-item.is-active .accordion-title::before{content:"–";background:var(--brand);color:#fff;}
.faq-acc .accordion-content{padding:0 22px 22px;border:0;color:var(--muted);font-size:15.5px;line-height:1.85;}
.faq-acc .accordion-content p{font-size:15.5px;}

/* ---------- 咨询表单 ---------- */
.cta-section{
  background:linear-gradient(180deg,#EFF6F9 0%,#F6F9FB 100%);
  border-top:1px solid var(--line);
}
.cta-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:34px;
}
.trust-list{list-style:none;margin-top:24px;display:flex;flex-direction:column;gap:14px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;color:var(--text);}
.trust-list i{color:var(--success);margin-top:5px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-grid .full{grid-column:1 / -1;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px;}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;padding:0 16px;font-size:15px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:112px;padding:14px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(31,111,139,.13);}
.field.is-error input,.field.is-error select,.field.is-error textarea{border-color:var(--danger);}
.form-actions{margin-top:22px;display:flex;flex-wrap:wrap;align-items:center;gap:16px;}
.form-hint{font-size:13.5px;color:var(--muted);}
.form-note{
  margin-top:18px;padding:14px 16px;border-radius:var(--r-sm);
  background:var(--success-soft);border:1px solid #CFE8DE;color:#1F6B51;font-size:14.5px;
}
.form-note[hidden]{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#C4D8E1;padding:64px 0 26px;margin-top:0;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:rgba(255,255,255,.58);}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.25fr;gap:38px;}
.footer-brand p{margin-top:18px;font-size:14.5px;line-height:1.85;color:#A9C4D0;max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.04em;}
.footer-col ul{list-style:none;display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:#B4CDD8;}
.footer-col a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:#B4CDD8;line-height:1.7;}
.footer-contact i{margin-top:5px;color:var(--accent);}
.footer-bottom{
  margin-top:42px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:13px;color:#93B0BE;
}
.footer-bottom a{color:#C4D8E1;}
.footer-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;gap:30px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:1023px){
  .section{padding:64px 0;}
  .nav-top-inner{flex-wrap:wrap;padding:12px 0;gap:14px;}
  .search-box{order:3;flex:1 1 100%;max-width:none;margin:0;}
  .nav-actions{margin-left:auto;}
  .layer-row.is-reverse{flex-direction:row;}
  .hero-cat1{padding:60px 0 66px;}
  .hero-float{left:12px;bottom:12px;}
  .stat-item + .stat-item::before{display:none;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:30px;}
  .card{padding:22px;}
  .stat-strip{padding:22px 14px;}
  .faq-acc .accordion-title{padding:16px 18px;font-size:16px;}
  .faq-acc .accordion-title h3{font-size:16px;}
  .faq-acc .accordion-content{padding:0 18px 18px;}
  .cta-panel{padding:24px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .brand-name{font-size:17px;}
  .brand-mark{width:40px;height:40px;font-size:15px;}
  .nav-link-quiet{display:none;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:14px;box-shadow:var(--sh);}
  .footer-grid{grid-template-columns:1fr;}
  .topic-chip{font-size:13.5px;padding:9px 14px;}
}

/* roulang page: category2 */
:root{
  --brand:#1F6F8B;
  --brand-dark:#175A72;
  --brand-soft:#E7F1F5;
  --accent:#E8825B;
  --accent-dark:#D86A43;
  --success:#2E8B6D;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --ink:#12212B;
  --muted:#5C6F7E;
  --line:#E3ECF2;
  --soft:#EEF4F8;
  --radius-lg:20px;
  --radius:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(17,45,70,.08);
  --shadow-lg:0 16px 40px rgba(17,45,70,.14);
  --font:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{font-family:var(--font);color:var(--ink);margin:0 0 .6em;font-weight:700;line-height:1.25}
h1{font-size:clamp(28px,4.4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.4px}
h2{font-size:clamp(24px,3.1vw,34px);font-weight:700}
h3{font-size:clamp(19px,2.1vw,23px);font-weight:600}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:1rem}
:focus-visible{outline:3px solid rgba(31,111,139,.3);outline-offset:2px;border-radius:8px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1280px;margin:0 auto;padding:0 24px}
.show-for-sr{position:absolute!important;width:1px;height:1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:var(--card);box-shadow:0 1px 0 var(--line),0 8px 24px rgba(17,45,70,.04)}
.nav-top{border-bottom:1px solid var(--line)}
.nav-top-inner{display:flex;align-items:center;gap:22px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:42px;height:42px;border-radius:13px;display:grid;place-items:center;
  background:linear-gradient(140deg,#2A7D9B,#175A72);color:#fff;font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 8px 18px rgba(31,111,139,.28)
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:.2px}
.brand-sub{font-size:10.5px;color:var(--muted);letter-spacing:1.6px;text-transform:uppercase}
.brand:hover .brand-name{color:var(--brand)}
.search-box{position:relative;flex:1 1 auto;max-width:420px}
.search-box input{
  width:100%;height:44px;padding:0 44px 0 18px;border-radius:999px;
  border:1px solid var(--line);background:var(--soft);color:var(--ink);outline:none;
  transition:border-color .2s ease,background-color .2s ease,box-shadow .2s ease
}
.search-box input::placeholder{color:#93A5B1}
.search-box input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(31,111,139,.12)}
.search-box i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:14px;pointer-events:none}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto}
.nav-link-quiet{font-size:15px;color:var(--muted);font-weight:500}
.nav-link-quiet:hover{color:var(--brand)}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:999px;border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .2s ease,box-shadow .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease
}
.btn i{font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(31,111,139,.26)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,111,139,.32)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(232,130,91,.28)}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(216,106,67,.32)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line);box-shadow:0 4px 14px rgba(17,45,70,.06)}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px)}
.btn-sm{height:42px;padding:0 20px;font-size:15px}
.btn-block{width:100%}

.nav-tabs{background:var(--card)}
.nav-tabs-inner{display:flex;gap:8px;overflow-x:auto;padding:11px 0;scrollbar-width:none}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;gap:7px;flex:0 0 auto;
  padding:8px 17px;border-radius:999px;font-size:14.5px;font-weight:500;color:var(--muted);
  border:1px solid transparent;white-space:nowrap;transition:all .2s ease
}
.tab-pill i{font-size:13px;opacity:.85}
.tab-pill:hover{background:var(--soft);color:var(--brand)}
.tab-pill.is-active{background:var(--brand-soft);color:var(--brand-dark);border-color:rgba(31,111,139,.26);font-weight:600}

/* ---------- hero ---------- */
.hero{
  position:relative;padding:86px 0 70px;text-align:center;
  background:
    radial-gradient(760px 340px at 50% -10%,rgba(31,111,139,.12),transparent 70%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line)
}
.hero-inner{max-width:880px;margin:0 auto}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand-dark);
  font-size:13.5px;font-weight:600;box-shadow:0 4px 14px rgba(17,45,70,.06);margin-bottom:22px
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);display:inline-block}
.hero h1{margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17.5px;color:var(--muted);max-width:720px;margin:0 auto 30px;line-height:1.82}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;justify-content:center}
.hero-points{
  display:flex;flex-wrap:wrap;justify-content:center;gap:12px 30px;margin-top:34px;
  padding-top:26px;border-top:1px dashed var(--line)
}
.hero-points span{font-size:14.5px;color:var(--muted);display:inline-flex;align-items:center;gap:8px}
.hero-points i{color:var(--success);font-size:13px}

/* ---------- window strip ---------- */
.window-strip{padding:44px 0 0}
.window-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  background-image:linear-gradient(100deg,rgba(19,66,86,.9) 0%,rgba(23,90,114,.78) 52%,rgba(31,111,139,.55) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;color:#fff;padding:34px 38px;box-shadow:var(--shadow)
}
.window-band h3{color:#fff;font-size:22px;margin-bottom:8px}
.window-band p{color:rgba(255,255,255,.86);margin:0;max-width:760px;font-size:15.5px}
.window-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.window-meta span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);color:#fff
}

/* ---------- section ---------- */
.section{padding:78px 0}
.section-soft{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin:0 auto 46px;text-align:center}
.section-head.left{margin:0 0 38px;text-align:left}
.section-head .kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px
}
.section-head p{color:var(--muted);font-size:16.5px;margin:0}

/* ---------- ladder ---------- */
.ladder{position:relative}
.ladder::before{
  content:"";position:absolute;left:23px;top:12px;bottom:40px;width:2px;
  background:linear-gradient(180deg,rgba(31,111,139,.32),rgba(31,111,139,.08));border-radius:2px
}
.ladder-item{position:relative;padding-left:72px;margin-bottom:26px}
.ladder-item:last-child{margin-bottom:0}
.ladder-num{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:14px;
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:.5px;
  background:#fff;color:var(--brand);border:1px solid rgba(31,111,139,.28);
  box-shadow:0 8px 20px rgba(17,45,70,.08);font-variant-numeric:tabular-nums
}
.ladder-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 28px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease
}
.ladder-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,139,.26)}
.ladder-top{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.ladder-card h3{margin:0;font-size:20.5px}
.ladder-card p{color:var(--muted);font-size:15.5px;margin:0 0 16px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand-dark);border:1px solid rgba(31,111,139,.18)
}
.tag-accent{background:#FDF0EA;color:var(--accent-dark);border-color:rgba(232,130,91,.26)}
.tag-success{background:#E9F5F0;color:var(--success);border-color:rgba(46,139,109,.24)}
.ladder-list{display:grid;gap:8px;margin-bottom:18px}
.ladder-list li{display:flex;gap:10px;font-size:15px;color:#33454F}
.ladder-list i{color:var(--success);font-size:13px;margin-top:6px}
.ladder-foot{display:flex;flex-wrap:wrap;align-items:center;gap:14px;padding-top:16px;border-top:1px dashed var(--line)}
.ladder-foot span{font-size:13.5px;color:var(--muted)}
.ladder-item.tilt .ladder-card{margin-left:34px}
.ladder-media{border-radius:var(--radius-sm);overflow:hidden;margin-bottom:18px;border:1px solid var(--line)}
.ladder-media img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ---------- sticky consult ---------- */
.sticky-card{
  position:sticky;top:118px;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:28px 26px;box-shadow:var(--shadow)
}
.sticky-card h3{font-size:20px;margin-bottom:6px}
.sticky-card .hint{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:15px}
.field label{display:block;font-size:13.5px;font-weight:600;color:#2B3E49;margin-bottom:7px}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--line);background:#FBFDFE;border-radius:var(--radius-sm);
  padding:0 15px;height:48px;color:var(--ink);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease
}
.field textarea{height:96px;padding:13px 15px;line-height:1.6;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(31,111,139,.12)}
.field input::placeholder,.field textarea::placeholder{color:#9AACB7}
.form-note{font-size:12.5px;color:var(--muted);margin:12px 0 0;line-height:1.6}
.form-trust{display:grid;gap:9px;margin-top:18px;padding-top:18px;border-top:1px dashed var(--line)}
.form-trust span{font-size:13.5px;color:#33454F;display:flex;gap:9px;align-items:flex-start}
.form-trust i{color:var(--success);font-size:13px;margin-top:5px}

/* ---------- compare band ---------- */
.band-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.band-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease
}
.band-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(31,111,139,.24)}
.band-card.is-feature{border-color:rgba(232,130,91,.4);background:linear-gradient(180deg,#FFF9F6,#FFFFFF)}
.band-card h3{font-size:19px;margin-bottom:6px}
.band-card .period{font-size:13px;color:var(--muted);margin-bottom:16px;display:block}
.band-card ul{display:grid;gap:8px;margin-bottom:18px}
.band-card li{font-size:14.5px;color:#33454F;display:flex;gap:9px}
.band-card li i{color:var(--brand);font-size:12px;margin-top:7px}
.band-card .price{font-size:15px;font-weight:700;color:var(--brand-dark);font-variant-numeric:tabular-nums}

/* ---------- figure split ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.split-media{border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-body h2{margin-bottom:14px}
.split-body p{color:var(--muted);font-size:16.5px}
.check-list{display:grid;gap:12px;margin-top:20px}
.check-list li{display:flex;gap:12px;font-size:15.5px;color:#2B3E49}
.check-list i{color:var(--brand);font-size:14px;margin-top:6px}

/* ---------- faq ---------- */
.accordion{border:none;background:transparent;margin:0}
.accordion .accordion-item{border:1px solid var(--line);border-radius:var(--radius);background:#fff;margin-bottom:14px;box-shadow:var(--shadow);overflow:hidden}
.accordion .accordion-item:last-child{margin-bottom:0}
.accordion .accordion-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:17px;font-weight:600;color:var(--ink);border:none;background:#fff
}
.accordion .accordion-title:hover{background:#FBFDFE;color:var(--brand-dark)}
.accordion .accordion-title::before{display:none}
.accordion .accordion-title::after{
  content:"+";font-size:20px;font-weight:400;color:var(--brand);line-height:1;
  transition:transform .22s ease;position:static;margin-left:auto;order:2
}
.accordion .accordion-item.is-active .accordion-title{background:var(--brand-soft);color:var(--brand-dark)}
.accordion .accordion-item.is-active .accordion-title::after{content:"–";transform:rotate(180deg)}
.accordion .accordion-content{padding:0 24px 22px;border:none!important;color:var(--muted);font-size:15.5px;line-height:1.85}
.accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- cta ---------- */
.cta-band{
  border-radius:var(--radius-lg);padding:48px 42px;
  background:linear-gradient(120deg,#E9F3F7 0%,#F7FBFD 55%,#FDF1EB 100%);
  border:1px solid var(--line);box-shadow:var(--shadow);
  display:grid;grid-template-columns:1.4fr .9fr;gap:34px;align-items:center
}
.cta-band h2{margin-bottom:12px}
.cta-band p{color:var(--muted);margin:0;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- footer ---------- */
.site-footer{background:#EAF1F6;border-top:1px solid var(--line);padding:64px 0 0;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:38px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.8;margin:0}
.footer-col h4{font-size:15px;font-weight:700;margin-bottom:14px;color:var(--ink)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14.5px;color:var(--muted)}
.footer-col a:hover{color:var(--brand)}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:6px}
.footer-bottom{
  border-top:1px solid #D7E3EB;padding:20px 0 26px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;font-size:13.5px;color:var(--muted)
}
.footer-bottom a{color:var(--brand)}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .nav-top-inner{flex-wrap:wrap;padding:12px 0;gap:12px}
  .search-box{order:3;flex:1 1 100%;max-width:none}
  .nav-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:28px}
  .band-grid{grid-template-columns:1fr;gap:18px}
  .cta-band{grid-template-columns:1fr;padding:36px 28px}
  .sticky-card{position:static}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media screen and (max-width:767px){
  body{font-size:16px}
  .section{padding:52px 0}
  .hero{padding:58px 0 50px}
  .hero-sub{font-size:16px}
  .hero-cta .btn{width:100%}
  .window-band{padding:26px 22px}
  .ladder::before{left:18px}
  .ladder-item{padding-left:60px}
  .ladder-num{width:40px;height:40px;border-radius:12px;font-size:13.5px}
  .ladder-item.tilt .ladder-card{margin-left:0}
  .ladder-card{padding:22px 20px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media screen and (max-width:519px){
  .wrap,.wrap-wide{padding:0 16px}
  .brand-name{font-size:16px}
  .nav-link-quiet{display:none}
  .accordion .accordion-title{padding:16px 18px;font-size:16px}
  .accordion .accordion-content{padding:0 18px 18px}
}

/* roulang page: category3 */
:root{
  --brand:#1F6F8B;
  --brand-600:#1A5E77;
  --brand-700:#144C61;
  --brand-050:#EAF3F7;
  --brand-100:#D6E7EF;
  --accent:#E8825B;
  --accent-600:#D06A44;
  --accent-050:#FDF1EB;
  --success:#2E8B6D;
  --success-050:#EAF6F1;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --ink:#12212B;
  --muted:#5C6F7E;
  --border:#E3ECF2;
  --soft:#EEF4F8;
  --radius-sm:12px;
  --radius:16px;
  --radius-lg:20px;
  --shadow-sm:0 4px 14px rgba(17,45,70,.06);
  --shadow:0 10px 30px rgba(17,45,70,.08);
  --shadow-lg:0 16px 40px rgba(17,45,70,.14);
  --section:88px;
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border-radius:var(--radius-sm)}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease}
a:hover{color:var(--brand-600)}
h1,h2,h3,h4,h5{
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",sans-serif;
  color:var(--ink);
  margin:0 0 .6em;
  line-height:1.25;
  font-weight:700;
}
h1{font-size:44px;font-weight:800;letter-spacing:-.5px}
h2{font-size:32px}
h3{font-size:21px;font-weight:600}
h4{font-size:17px;font-weight:600}
p{margin:0 0 1em}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(31,111,139,.35);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1320px;margin:0 auto;padding:0 24px}
.section{padding:var(--section) 0}
.section-tight{padding:60px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-head p{color:var(--muted);font-size:17px;margin:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-050);
  border:1px solid var(--brand-100);border-radius:999px;
  padding:6px 14px;margin-bottom:18px;
}
/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--border);
  box-shadow:0 2px 12px rgba(17,45,70,.05);
}
.nav-top{padding:12px 0}
.nav-top-inner{display:flex;align-items:center;gap:24px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  background:linear-gradient(135deg,var(--brand),var(--brand-700));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:16px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,111,139,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-weight:800;font-size:18px;color:var(--ink);letter-spacing:-.2px}
.brand-sub{font-size:10.5px;letter-spacing:.18em;text-transform:uppercase;color:var(--muted)}
.search-box{position:relative;flex:1 1 auto;max-width:420px;margin-left:auto}
.search-box input{
  width:100%;height:46px;border-radius:999px;
  border:1px solid var(--border);background:var(--soft);
  padding:0 46px 0 20px;color:var(--ink);
  transition:border-color .2s,background .2s,box-shadow .2s;
}
.search-box input::placeholder{color:#8A9AA7}
.search-box input:focus{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(31,111,139,.12);outline:none;
}
.search-box i{
  position:absolute;right:18px;top:50%;transform:translateY(-50%);
  color:var(--brand);font-size:15px;pointer-events:none;
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto}
.nav-link-quiet{font-size:15px;color:var(--muted);font-weight:500}
.nav-link-quiet:hover{color:var(--brand)}
.nav-tabs{border-top:1px solid var(--soft);background:#fff}
.nav-tabs-inner{
  display:flex;gap:10px;padding:10px 0;
  overflow-x:auto;scrollbar-width:none;white-space:nowrap;
}
.nav-tabs-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
  transition:all .2s ease;flex:0 0 auto;
}
.tab-pill i{font-size:13px;opacity:.8}
.tab-pill:hover{background:var(--soft);color:var(--brand-700)}
.tab-pill.is-active{
  background:var(--brand-050);color:var(--brand-700);
  border-color:var(--brand-100);
}
/* ============ buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:52px;padding:0 28px;border-radius:14px;
  font-size:16px;font-weight:700;cursor:pointer;
  border:1px solid transparent;text-align:center;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-sm{height:42px;padding:0 20px;font-size:14.5px;border-radius:11px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(31,111,139,.24)}
.btn-primary:hover{background:var(--brand-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,111,139,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(232,130,91,.26)}
.btn-accent:hover{background:var(--accent-600);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(232,130,91,.32)}
.btn-ghost{background:#fff;color:var(--brand-700);border-color:var(--brand-100)}
.btn-ghost:hover{background:var(--brand-050);border-color:var(--brand);color:var(--brand-700);transform:translateY(-2px)}
.btn-outline{background:transparent;color:var(--brand-700);border-color:var(--brand-100)}
.btn-outline:hover{background:var(--brand-050);color:var(--brand-700)}
.btn-block{width:100%}
/* ============ hero ============ */
.hero-center{
  position:relative;
  padding:104px 0 92px;
  text-align:center;
  background-image:linear-gradient(180deg,rgba(246,249,251,.94),rgba(246,249,251,.98)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--border);
}
.hero-center h1{max-width:920px;margin:0 auto 20px}
.hero-center .hero-sub{
  max-width:700px;margin:0 auto 32px;
  font-size:18px;color:var(--muted);line-height:1.8;
}
.hero-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.hero-facts{
  display:flex;justify-content:center;gap:38px;flex-wrap:wrap;
  margin-top:46px;padding-top:30px;border-top:1px dashed var(--border);
}
.hero-facts li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--muted);font-weight:500}
.hero-facts i{color:var(--success);font-size:15px}
/* ============ cards ============ */
.card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:28px;transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--brand-100)}
.card-flat{box-shadow:var(--shadow-sm)}
.card-flat:hover{transform:none;box-shadow:var(--shadow-sm)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12.5px;font-weight:700;
  background:var(--brand-050);color:var(--brand-700);border:1px solid var(--brand-100);
}
.tag-accent{background:var(--accent-050);color:var(--accent-600);border-color:#F6D9CC}
.tag-success{background:var(--success-050);color:var(--success);border-color:#CFE9DF}
.tag-plain{background:var(--soft);color:var(--muted);border-color:var(--border)}
/* ============ compare table ============ */
.compare-shell{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--radius-lg);box-shadow:var(--shadow);
  overflow:hidden;
}
.compare-scroll{overflow:auto;max-height:78vh}
.compare-table{
  width:100%;min-width:940px;border-collapse:separate;border-spacing:0;
  margin:0;font-size:15px;
}
.compare-table thead th{
  position:sticky;top:0;z-index:5;
  background:#fff;border-bottom:1px solid var(--border);
  padding:22px 20px;text-align:left;vertical-align:bottom;
  font-weight:700;color:var(--ink);font-size:17px;
  box-shadow:0 6px 14px rgba(17,45,70,.05);
}
.compare-table thead th span{
  display:block;font-size:12.5px;font-weight:500;color:var(--muted);
  margin-top:6px;letter-spacing:.02em;
}
.compare-table thead th.col-item{width:24%;font-size:14px;color:var(--muted);font-weight:600}
.compare-table thead th.col-featured{
  background:linear-gradient(180deg,var(--brand-050),#fff);
  border-left:1px solid var(--brand-100);border-right:1px solid var(--brand-100);
  border-top:3px solid var(--brand);
}
.rec-tag{
  display:inline-flex;align-items:center;gap:5px;
  background:var(--accent);color:#fff;font-size:11.5px;font-weight:700;
  padding:3px 10px;border-radius:999px;margin-bottom:10px;
  letter-spacing:.02em;
}
.compare-table td,.compare-table tbody th{
  padding:16px 20px;border-bottom:1px solid var(--soft);
  vertical-align:top;color:var(--ink);text-align:left;font-weight:500;
}
.compare-table tbody th{color:var(--muted);font-weight:600;font-size:14.5px}
.compare-table tbody tr:hover td{background:#FBFDFE}
.compare-table td.col-featured{
  background:rgba(234,243,247,.55);
  border-left:1px solid var(--brand-100);border-right:1px solid var(--brand-100);
}
.compare-table tbody tr:hover td.col-featured{background:rgba(214,231,239,.6)}
.compare-table tbody tr:last-child td,
.compare-table tbody tr:last-child th{border-bottom:none}
.group-row td{
  background:var(--soft)!important;
  font-size:13px;font-weight:800;letter-spacing:.1em;
  color:var(--brand-700);text-transform:uppercase;
  padding:12px 20px!important;
}
.cell-no{color:#A9B7C2;font-weight:600}
.cell-yes{color:var(--success);font-weight:700}
.compare-note{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:22px;font-size:14px;color:var(--muted);
}
.compare-note i{color:var(--brand);margin-top:4px}
/* ============ tabs ============ */
.scene-tabs{margin-bottom:0;border:none;background:transparent;display:flex;flex-wrap:wrap;gap:10px}
.scene-tabs .tabs-title{float:none}
.scene-tabs .tabs-title > a{
  display:inline-block;padding:10px 20px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--muted);
  border:1px solid var(--border);background:#fff;margin:0;
  transition:all .2s ease;
}
.scene-tabs .tabs-title > a:hover{background:var(--soft);color:var(--brand-700)}
.scene-tabs .tabs-title.is-active > a{
  background:var(--brand);color:#fff;border-color:var(--brand);
  box-shadow:0 8px 20px rgba(31,111,139,.22);
}
.scene-tabs .tabs-title.is-active > a:hover{color:#fff}
.tabs-content{margin-top:26px}
.tabs-panel{padding:0}
.scene-panel{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:34px;
}
.scene-panel h3{margin-bottom:14px}
.scene-panel p{color:var(--muted);font-size:16px}
.scene-points{margin-top:20px;display:grid;gap:14px}
.scene-points li{
  display:flex;gap:12px;align-items:flex-start;
  padding:14px 16px;background:var(--soft);border-radius:var(--radius-sm);
  font-size:15px;color:var(--ink);
}
.scene-points i{color:var(--brand);margin-top:4px;font-size:15px}
.scene-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
/* ============ dark band ============ */
.band-dark{
  background:linear-gradient(160deg,var(--brand-700),var(--brand-600) 55%,#1E6C86);
  color:#fff;padding:88px 0;
}
.band-dark h2{color:#fff}
.band-dark p{color:rgba(255,255,255,.84)}
.band-dark .eyebrow{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.22);color:#fff}
.band-grid{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.band-list{display:grid;gap:18px;margin-top:26px}
.band-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius);padding:18px 20px;
}
.band-list i{color:var(--accent);font-size:18px;margin-top:3px}
.band-list strong{display:block;font-size:16px;margin-bottom:4px}
.band-list span{font-size:14.5px;color:rgba(255,255,255,.8)}
.band-media img{border-radius:var(--radius-lg);box-shadow:0 24px 50px rgba(0,0,0,.28)}
/* ============ limited strip ============ */
.limited-strip{
  background:linear-gradient(120deg,#FFF7F2,var(--brand-050));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:36px 40px;display:flex;align-items:center;gap:36px;
  box-shadow:var(--shadow-sm);flex-wrap:wrap;
}
.limited-strip .limited-body{flex:1 1 420px}
.limited-strip h2{font-size:26px;margin-bottom:10px}
.limited-strip p{margin:0;color:var(--muted);font-size:15.5px}
.limited-actions{display:flex;gap:12px;flex-wrap:wrap}
/* ============ form ============ */
.consult-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:52px;align-items:start}
.consult-aside li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:15px;color:var(--muted);padding:12px 0;border-bottom:1px dashed var(--border);
}
.consult-aside i{color:var(--success);margin-top:4px}
.form-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:34px;
}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;color:var(--ink)}
.field label .req{color:var(--accent)}
.field input,.field select,.field textarea{
  width:100%;height:48px;border-radius:var(--radius-sm);
  border:1px solid var(--border);background:#fff;color:var(--ink);
  padding:0 16px;transition:border-color .2s,box-shadow .2s;
}
.field textarea{height:120px;padding:13px 16px;resize:vertical;line-height:1.7}
.field select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--brand) 50%),linear-gradient(135deg,var(--brand) 50%,transparent 50%);background-position:calc(100% - 20px) 22px,calc(100% - 14px) 22px;background-size:6px 6px,6px 6px;background-repeat:no-repeat}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,111,139,.12);
}
.field input.is-error,.field textarea.is-error{border-color:#D9534F;box-shadow:0 0 0 4px rgba(217,83,79,.12)}
.field input.is-ok,.field textarea.is-ok{border-color:var(--success);box-shadow:0 0 0 4px rgba(46,139,109,.12)}
.field-hint{font-size:12.5px;color:var(--muted);margin-top:6px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-foot{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:6px}
.form-foot small{color:var(--muted);font-size:13px}
/* ============ faq ============ */
.accordion{border:none;background:transparent}
.accordion .accordion-item{
  border:1px solid var(--border);border-radius:var(--radius);
  background:#fff;box-shadow:var(--shadow-sm);margin-bottom:14px;overflow:hidden;
}
.accordion .accordion-title{
  padding:20px 56px 20px 24px;font-size:17px;font-weight:600;color:var(--ink);
  border:none;background:#fff;position:relative;transition:background .2s,color .2s;
}
.accordion .accordion-title:hover{background:var(--soft);color:var(--brand-700)}
.accordion .accordion-title::before{
  content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;right:24px;top:50%;transform:translateY(-50%);
  font-size:14px;color:var(--brand);transition:transform .25s ease;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--brand-700);background:var(--brand-050)}
.accordion .accordion-item.is-active .accordion-title::before{content:"\f068"}
.accordion .accordion-content{
  border:none;border-top:1px solid var(--border);
  padding:20px 24px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;background:#fff;
}
/* ============ final cta ============ */
.cta-panel{
  background:linear-gradient(135deg,var(--brand-050),#fff 60%);
  border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:56px;text-align:center;
}
.cta-panel h2{margin-bottom:14px}
.cta-panel p{max-width:640px;margin:0 auto 30px;color:var(--muted)}
.cta-actions{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
/* ============ footer ============ */
.site-footer{
  background:#0F3444;color:rgba(255,255,255,.78);
  padding:68px 0 0;margin-top:0;
}
.site-footer .brand-name{color:#fff}
.site-footer .brand-sub{color:rgba(255,255,255,.55)}
.site-footer .brand-mark{background:linear-gradient(135deg,#2E86A6,#1F6F8B)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:44px;padding-bottom:52px}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin:20px 0 0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:.04em;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul a{font-size:14.5px;color:rgba(255,255,255,.72)}
.footer-col ul a:hover{color:#fff}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-contact i{color:#7FC4DA;margin-top:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;display:flex;justify-content:space-between;
  gap:14px;flex-wrap:wrap;font-size:13.5px;color:rgba(255,255,255,.58);
}
.footer-bottom a{color:rgba(255,255,255,.8)}
.footer-bottom a:hover{color:#fff}
/* ============ responsive ============ */
@media screen and (max-width:1199px){
  :root{--section:76px}
  .band-grid{grid-template-columns:1fr;gap:40px}
  .band-media{order:-1}
}
@media screen and (max-width:1023px){
  h1{font-size:36px}
  h2{font-size:28px}
  .hero-center{padding:80px 0 70px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .consult-grid{grid-template-columns:1fr;gap:34px}
}
@media screen and (max-width:899px){
  .search-box{display:none}
  .nav-actions{margin-left:auto}
}
@media screen and (max-width:767px){
  :root{--section:56px}
  h1{font-size:30px}
  h2{font-size:25px}
  h3{font-size:19px}
  body{font-size:16px}
  .wrap,.wrap-wide{padding:0 18px}
  .hero-center{padding:62px 0 56px}
  .hero-center .hero-sub{font-size:16.5px}
  .hero-facts{gap:18px;flex-direction:column;align-items:center}
  .nav-link-quiet{display:none}
  .compare-scroll{max-height:none}
  .compare-table{min-width:820px}
  .scene-panel,.form-card,.cta-panel,.limited-strip{padding:24px 20px}
  .limited-strip{gap:22px}
  .form-grid{grid-template-columns:1fr}
  .band-dark{padding:60px 0}
  .section-head{margin-bottom:32px}
}
@media screen and (max-width:539px){
  h1{font-size:27px}
  h2{font-size:23px}
  .brand-sub{display:none}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .btn{height:48px;padding:0 22px;font-size:15px}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category4 */
:root{
  --brand:#1F6F8B;
  --brand-deep:#16566E;
  --brand-ink:#0E3A4B;
  --brand-soft:#E7F2F6;
  --accent:#E8825B;
  --accent-deep:#D96A43;
  --success:#2E8B6D;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --text:#12212B;
  --muted:#5C6F7E;
  --line:#E3ECF2;
  --line-soft:#EEF4F8;
  --radius:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(17,45,70,.08);
  --shadow-hover:0 16px 40px rgba(17,45,70,.14);
  --container:1200px;
  --gap:32px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4,h5{margin:0;color:var(--brand-ink);font-weight:700;line-height:1.28;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:3px solid rgba(31,111,139,.32);outline-offset:2px;}

.wrap{max-width:var(--container);margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:1280px;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  box-shadow:0 1px 0 var(--line),0 10px 26px rgba(17,45,70,.05);
}
.nav-top{border-bottom:1px solid var(--line-soft);}
.nav-top-inner{display:flex;align-items:center;gap:22px;min-height:72px;padding:10px 0;}
.brand{display:inline-flex;align-items:center;gap:12px;color:var(--brand-ink);}
.brand:hover{color:var(--brand-ink);}
.brand-mark{
  width:44px;height:44px;border-radius:14px;flex:0 0 44px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand),#2E8B6D);
  color:#fff;font-weight:800;letter-spacing:.5px;font-size:16px;
  box-shadow:0 8px 18px rgba(31,111,139,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.18;}
.brand-name{font-weight:800;font-size:18px;color:var(--brand-ink);}
.brand-sub{font-size:11px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);}
.search-box{position:relative;flex:1;max-width:400px;margin-left:auto;}
.search-box input{
  width:100%;height:46px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg);padding:0 46px 0 18px;font-size:15px;transition:.2s ease;
}
.search-box input::placeholder{color:#93A6B3;}
.search-box input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,139,.14);}
.search-box i{position:absolute;right:18px;top:50%;transform:translateY(-50%);color:var(--muted);font-size:15px;}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-link-quiet{font-size:15px;color:var(--muted);font-weight:500;}
.nav-link-quiet:hover{color:var(--brand);}
.nav-tabs-inner{display:flex;gap:10px;overflow-x:auto;padding:10px 0;scrollbar-width:none;}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:9px 18px;border-radius:999px;font-size:15px;color:var(--muted);
  border:1px solid transparent;font-weight:500;transition:.2s ease;
}
.tab-pill:hover{background:var(--line-soft);color:var(--brand-ink);}
.tab-pill.is-active{background:var(--brand-soft);color:var(--brand-deep);border-color:#C7E0E9;font-weight:600;}
.tab-pill i{font-size:13px;}

/* ============ 按钮 / 标签 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:14px;border:1px solid transparent;
  font-size:16px;font-weight:600;white-space:nowrap;transition:transform .2s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(31,111,139,.24);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(31,111,139,.3);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(232,130,91,.26);}
.btn-accent:hover{background:var(--accent-deep);color:#fff;transform:translateY(-2px);}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand-ink);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-sm{height:42px;padding:0 18px;font-size:14px;border-radius:12px;}
.btn-block{width:100%;}
.chip{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:14px;color:var(--muted);font-weight:500;
}
.chip:hover{border-color:var(--brand);color:var(--brand);background:#fff;}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-deep);font-size:13px;font-weight:600;
}
.badge-accent{background:#FDF0E9;color:var(--accent-deep);}
.badge-success{background:#E7F4EF;color:var(--success);}

/* ============ Hero ============ */
.page-hero{padding:60px 0 56px;background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);}
.hero-grid{align-items:center;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--radius);box-shadow:0 20px 48px rgba(17,45,70,.16);
}
.hero-media::after{
  content:"";position:absolute;inset:0;border-radius:var(--radius);
  background:linear-gradient(200deg,rgba(31,111,139,.10),rgba(255,255,255,0) 55%);
  pointer-events:none;
}
.hero-badge{
  position:absolute;left:18px;bottom:18px;z-index:2;
  background:rgba(255,255,255,.95);border:1px solid var(--line);
  border-radius:999px;padding:9px 18px;font-size:13px;font-weight:600;color:var(--brand-deep);
  box-shadow:var(--shadow);
}
.crumb{font-size:13px;color:var(--muted);margin-bottom:16px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb span{margin:0 6px;color:#B4C4CE;}
.page-hero h1{font-size:clamp(30px,3.4vw,44px);font-weight:800;letter-spacing:-.01em;margin-bottom:18px;}
.hero-lead{font-size:17px;color:var(--muted);max-width:560px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:15px;color:var(--brand-ink);font-weight:500;}
.hero-points i{color:var(--success);font-size:14px;}

/* ============ 通用板块 ============ */
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-white{background:#fff;}
.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:700;letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:14px;}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--accent);border-radius:2px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16px;}

/* 热门疑问标签条 */
.topic-strip{background:#fff;border-bottom:1px solid var(--line);}
.strip-inner{display:flex;align-items:center;gap:14px;flex-wrap:wrap;padding:20px 0;}
.strip-label{font-size:14px;font-weight:700;color:var(--brand-ink);display:inline-flex;align-items:center;gap:8px;}
.strip-label i{color:var(--accent);}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:260px minmax(0,1fr);gap:44px;align-items:start;}
.faq-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);position:sticky;top:150px;
}
.faq-aside h3{font-size:17px;margin-bottom:12px;}
.faq-aside p{font-size:14px;color:var(--muted);margin-bottom:18px;}
.aside-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:20px;}
.aside-nav a{
  font-size:14px;color:var(--muted);padding:9px 12px;border-radius:10px;border-left:2px solid transparent;
}
.aside-nav a:hover{background:var(--line-soft);color:var(--brand-deep);border-left-color:var(--brand);}
.aside-note{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--success);background:#E7F4EF;border-radius:12px;padding:12px 14px;}

.faq-columns{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px 32px;}
.faq-col{display:flex;flex-direction:column;gap:36px;}
.faq-group h3{
  font-size:19px;margin-bottom:16px;display:flex;align-items:center;gap:10px;
}
.faq-group h3 i{color:var(--brand);font-size:16px;}
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  transition:border-color .22s ease,box-shadow .22s ease,transform .22s ease;overflow:hidden;
}
.faq-item:hover{border-color:#C7E0E9;box-shadow:0 10px 26px rgba(17,45,70,.08);}
.faq-item[open]{border-color:#C7E0E9;box-shadow:0 12px 30px rgba(17,45,70,.09);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-q{font-size:16.5px;font-weight:600;color:var(--brand-ink);line-height:1.5;}
.faq-icon{
  position:relative;flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);background:var(--bg);transition:.22s ease;
}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px;}
.faq-icon::before{width:12px;height:2px;top:13px;left:8px;}
.faq-icon::after{width:2px;height:12px;top:8px;left:13px;transition:transform .22s ease,opacity .22s ease;}
.faq-item[open] .faq-icon{background:var(--brand);border-color:var(--brand);}
.faq-item[open] .faq-icon::before{background:#fff;}
.faq-item[open] .faq-icon::after{opacity:0;transform:rotate(90deg);}
.faq-answer{padding:0 22px 20px;border-top:1px solid var(--line-soft);margin-top:2px;padding-top:16px;}
.faq-answer p{font-size:15px;color:var(--muted);line-height:1.85;}

/* ============ 图文说明 ============ */
.explain-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:52px;align-items:center;}
.explain-media img{border-radius:var(--radius);box-shadow:0 18px 44px rgba(17,45,70,.14);width:100%;aspect-ratio:16/11;object-fit:cover;}
.step-list{display:flex;flex-direction:column;gap:20px;margin-top:26px;}
.step-item{display:flex;gap:18px;}
.step-num{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;background:var(--brand-soft);
  color:var(--brand-deep);font-weight:800;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.step-item h4{font-size:17px;margin-bottom:6px;}
.step-item p{font-size:14.5px;color:var(--muted);}
.explain-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:28px;}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  display:flex;flex-direction:column;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.related-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C7E0E9;}
.related-card img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.related-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.related-body h3{font-size:19px;}
.related-body p{font-size:14.5px;color:var(--muted);flex:1;}
.related-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:#8798A5;}
.related-link{font-size:14.5px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.related-card:hover .related-link{gap:10px;}

/* ============ CTA / 表单 ============ */
.cta-section{padding:0 0 84px;}
.cta-panel{
  border-radius:26px;border:1px solid var(--line);
  background:linear-gradient(120deg,rgba(255,255,255,.95),rgba(246,249,251,.9)),url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  box-shadow:0 20px 50px rgba(17,45,70,.10);
  padding:52px;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:52px;align-items:start;
}
.cta-copy h2{font-size:clamp(24px,2.4vw,32px);margin-bottom:16px;}
.cta-copy p{color:var(--muted);font-size:15.5px;}
.trust-list{display:flex;flex-direction:column;gap:14px;margin-top:26px;}
.trust-list li{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--brand-ink);}
.trust-list i{color:var(--success);margin-top:5px;}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:30px;box-shadow:var(--shadow);}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;margin-bottom:16px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:14px;font-weight:600;color:var(--brand-ink);}
.field input,.field select,.field textarea{
  height:48px;border-radius:12px;border:1px solid var(--line);background:var(--bg);
  padding:0 16px;font-size:15px;transition:.2s ease;width:100%;
}
.field textarea{height:110px;padding:12px 16px;resize:vertical;line-height:1.7;}
.field input:focus,.field select:focus,.field textarea:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(31,111,139,.14);}
.field-full{grid-column:1 / -1;}
.form-hint{font-size:13px;color:#8798A5;margin-top:14px;}
.form-tip{
  display:none;align-items:center;gap:10px;margin-top:16px;padding:12px 16px;border-radius:12px;
  background:#E7F4EF;color:var(--success);font-size:14px;font-weight:500;
}

/* ============ 页脚 ============ */
.site-footer{background:#10394A;color:#C7D8E1;padding:66px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer .brand-name{color:#fff;}
.site-footer .brand-sub{color:#7FA0AF;}
.footer-brand p{font-size:14px;color:#9FB8C4;margin-top:18px;max-width:340px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col li a{font-size:14px;color:#A9C2CE;}
.footer-col li a:hover{color:#fff;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:#A9C2CE;}
.footer-contact i{color:#6FBFA2;margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;font-size:13px;color:#8FA9B6;
}
.footer-bottom a{color:#8FA9B6;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media screen and (max-width:1199px){
  .faq-layout{grid-template-columns:220px minmax(0,1fr);gap:32px;}
  .cta-panel{padding:42px;gap:36px;}
}
@media screen and (max-width:1023px){
  .section{padding:64px 0;}
  .page-hero{padding:48px 0 44px;}
  .hero-media{margin-bottom:32px;}
  .faq-layout{grid-template-columns:minmax(0,1fr);}
  .faq-aside{position:static;}
  .faq-columns{grid-template-columns:minmax(0,1fr);gap:32px;}
  .explain-grid{grid-template-columns:minmax(0,1fr);gap:34px;}
  .explain-media img{margin-bottom:6px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cta-panel{grid-template-columns:minmax(0,1fr);padding:36px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media screen and (max-width:760px){
  .wrap{padding:0 18px;}
  .search-box{display:none;}
  .nav-link-quiet{display:none;}
  .brand-sub{display:none;}
  .nav-top-inner{min-height:64px;gap:14px;}
  .page-hero h1{font-size:30px;}
  .hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .section{padding:52px 0;}
  .form-row{grid-template-columns:minmax(0,1fr);}
  .cta-panel{padding:26px;}
  .form-card{padding:22px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .faq-item summary{padding:16px 18px;}
  .faq-q{font-size:15.5px;}
  .faq-answer{padding:14px 18px 18px;}
}

/* roulang page: category5 */
:root{
  --brand:#1F6F8B;
  --brand-dark:#175668;
  --brand-deep:#123F52;
  --brand-soft:#E8F1F5;
  --brand-soft-2:#D9EAF1;
  --accent:#E8825B;
  --accent-dark:#D2623B;
  --accent-soft:#FDEFE9;
  --mint:#2E8B6D;
  --mint-soft:#E7F4EF;
  --bg:#F6F9FB;
  --card:#FFFFFF;
  --text:#12212B;
  --muted:#5C6F7E;
  --line:#E3ECF2;
  --line-soft:#EEF4F8;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 10px 30px rgba(17,45,70,.08);
  --sh-2:0 16px 40px rgba(17,45,70,.14);
  --ease:cubic-bezier(.2,.7,.3,1);
  --font-cn:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand-dark);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--accent-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 .5em;line-height:1.25;font-weight:700;color:var(--text);}
h1{font-size:clamp(30px,4vw,46px);font-weight:800;line-height:1.18;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;}
h3{font-size:21px;font-weight:600;line-height:1.4;}
h4{font-size:16px;font-weight:700;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,111,139,.4);outline-offset:2px;}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.wrap-wide{max-width:1280px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:50px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s var(--ease),box-shadow .22s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(31,111,139,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 28px rgba(31,111,139,.3);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 10px 24px rgba(232,130,91,.3);}
.btn-accent:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px rgba(232,130,91,.36);}
.btn-ghost{background:#fff;color:var(--brand-dark);border-color:#CFE0E8;}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand-dark);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 26px rgba(9,35,48,.24);}
.btn-light:hover{background:#F2F8FA;color:var(--brand-deep);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.62);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(17,45,70,.05);
}
.nav-top-inner{
  display:flex;align-items:center;gap:22px;
  min-height:72px;padding:10px 0;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand:hover{color:inherit;}
.brand-mark{
  width:44px;height:44px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--brand) 0%,var(--brand-deep) 100%);
  color:#fff;font-weight:800;font-size:16px;letter-spacing:.04em;
  box-shadow:0 8px 18px rgba(23,86,104,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:18px;font-weight:800;color:var(--text);letter-spacing:.01em;}
.brand-sub{font-size:10.5px;letter-spacing:.16em;text-transform:uppercase;color:var(--muted);margin-top:2px;}
.search-box{position:relative;flex:1 1 auto;max-width:360px;}
.search-box input{
  width:100%;height:44px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#F8FBFD;
  padding:0 44px 0 18px;color:var(--text);font-size:14.5px;
  transition:border-color .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease);
}
.search-box input::placeholder{color:#93A6B2;}
.search-box input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 4px rgba(31,111,139,.12);}
.search-box i{position:absolute;right:17px;top:50%;transform:translateY(-50%);color:#93A6B2;font-size:14px;pointer-events:none;}
.nav-actions{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.nav-link-quiet{font-size:14.5px;color:var(--muted);font-weight:600;}
.nav-link-quiet:hover{color:var(--brand-dark);}

.nav-tabs{border-top:1px solid var(--line-soft);background:#fff;}
.nav-tabs-inner{
  display:flex;align-items:center;gap:8px;
  padding:10px 0;overflow-x:auto;scrollbar-width:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  padding:9px 18px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--muted);
  border:1px solid transparent;background:transparent;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.tab-pill i{font-size:13px;opacity:.8;}
.tab-pill:hover{background:#F0F6F9;color:var(--brand-dark);}
.tab-pill.is-active{
  background:var(--brand-soft);color:var(--brand-dark);
  border-color:#C9DEE8;font-weight:700;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  padding:104px 0 88px;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(14,46,62,.94) 0%,rgba(23,86,104,.82) 44%,rgba(31,111,139,.46) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.crumb{display:flex;align-items:center;gap:9px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.86);}
.crumb a:hover{color:#fff;}
.crumb span.sep{opacity:.5;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  font-size:13.5px;font-weight:600;color:#fff;margin-bottom:20px;
}
.hero-tag i{color:#FFD9C7;}
.page-hero h1{color:#fff;max-width:760px;margin-bottom:20px;}
.page-hero h1 em{font-style:normal;color:#FFD9C7;}
.hero-lead{max-width:660px;font-size:17.5px;line-height:1.8;color:rgba(255,255,255,.86);margin-bottom:32px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:48px;}
.hero-figs{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:18px;max-width:720px;
  border-top:1px solid rgba(255,255,255,.2);padding-top:26px;
}
.fig-num{font-size:30px;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;line-height:1.1;}
.fig-num small{font-size:15px;font-weight:700;margin-left:2px;}
.fig-label{font-size:13.5px;color:rgba(255,255,255,.74);margin-top:6px;}

/* ---------- 板块 ---------- */
.section{padding:84px 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16.5px;margin:0;}

/* ---------- 筛选标签 ---------- */
.filter-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  padding:18px 20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);margin-bottom:34px;
}
.filter-bar .filter-hint{font-size:13.5px;color:var(--muted);font-weight:600;margin-right:6px;}
.filter-pill{
  padding:8px 17px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:14px;font-weight:600;cursor:pointer;
  transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .18s var(--ease);
}
.filter-pill:hover{background:#F2F8FA;color:var(--brand-dark);border-color:#CFE0E8;transform:translateY(-1px);}
.filter-pill.is-on{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 8px 18px rgba(31,111,139,.22);}

/* ---------- 案例网格 ---------- */
.case-grid{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;grid-auto-flow:dense;
}
.case-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s var(--ease),box-shadow .24s var(--ease),border-color .24s var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE0E8;}
.case-card.is-wide{grid-column:span 2;}
.case-media{position:relative;overflow:hidden;}
.case-media img{width:100%;height:210px;object-fit:cover;transition:transform .5s var(--ease);}
.case-card.is-wide .case-media img{height:300px;}
.case-card:hover .case-media img{transform:scale(1.04);}
.case-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(18,63,82,.05) 0%,rgba(18,63,82,.42) 100%);
}
.case-flag{
  position:absolute;left:16px;top:16px;z-index:2;
  padding:6px 13px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.case-flag.is-accent{background:var(--accent);color:#fff;}
.case-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.case-body h3{font-size:19px;margin-bottom:10px;}
.case-body h3 a{color:var(--text);}
.case-body h3 a:hover{color:var(--brand-dark);}
.case-body p{font-size:15px;color:var(--muted);line-height:1.75;margin-bottom:16px;}
.case-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  font-size:12.5px;color:#7E939F;
}
.case-meta i{font-size:12px;margin-right:5px;opacity:.8;}
.case-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px;}
.tag{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.tag.tag-accent{background:var(--accent-soft);color:var(--accent-dark);}
.tag.tag-mint{background:var(--mint-soft);color:var(--mint);}
.tag.tag-plain{background:#F2F6F9;color:var(--muted);}

/* ---------- 深读 ---------- */
.deep-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.deep-list{display:flex;flex-direction:column;gap:56px;}
.deep-item{
  display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);
  gap:44px;align-items:center;
}
.deep-item.is-reverse .deep-media{order:2;}
.deep-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-1);}
.deep-media img{width:100%;height:340px;object-fit:cover;}
.deep-body h3{font-size:24px;margin:14px 0 14px;}
.deep-body p{color:var(--muted);font-size:16px;}
.tick-list{margin:18px 0 22px;}
.tick-list li{
  position:relative;padding-left:28px;margin-bottom:10px;
  font-size:15.5px;color:var(--text);
}
.tick-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:3px;font-size:12px;color:var(--mint);
}
.text-link{font-weight:700;font-size:15px;color:var(--brand-dark);}
.text-link:hover{color:var(--accent-dark);}

/* ---------- 资源区 ---------- */
.res-section{background:var(--bg);}
.res-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 26px;height:100%;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.res-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#CFE0E8;}
.res-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-weight:800;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.res-card h3{font-size:19px;margin-bottom:10px;}
.res-card p{font-size:15px;color:var(--muted);margin-bottom:16px;}
.res-meta{font-size:13px;color:#7E939F;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.res-grid{margin-bottom:-24px;}
.res-grid > .cell{margin-bottom:24px;}

/* ---------- 评价 ---------- */
.quote-section{background:var(--brand-deep);color:#fff;}
.quote-section h2{color:#fff;}
.quote-section .section-head p{color:rgba(255,255,255,.72);}
.quote-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quote-card{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:26px 24px;
  transition:transform .22s var(--ease),background-color .22s var(--ease);
}
.quote-card:hover{transform:translateY(-4px);background:rgba(255,255,255,.12);}
.stars{color:#FFC08A;font-size:13px;letter-spacing:2px;margin-bottom:14px;}
.quote-card p{font-size:15.5px;color:rgba(255,255,255,.9);line-height:1.8;margin-bottom:18px;}
.quote-who{display:flex;align-items:center;gap:12px;font-size:13.5px;color:rgba(255,255,255,.7);}
.quote-avatar{
  width:38px;height:38px;border-radius:50%;
  background:linear-gradient(140deg,var(--brand) 0%,#2E8B6D 100%);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-weight:700;font-size:14px;
}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease);
}
.faq-item[open]{border-color:#CFE0E8;box-shadow:var(--sh-2);}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:22px 62px 22px 24px;
  font-size:17px;font-weight:700;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:24px;top:50%;transform:translateY(-50%);
  width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:17px;font-weight:700;line-height:1;
  transition:background-color .2s var(--ease),color .2s var(--ease);
}
.faq-item[open] summary::after{content:"–";background:var(--brand);color:#fff;}
.faq-item summary:hover{color:var(--brand-dark);}
.faq-answer{padding:0 24px 24px;border-top:1px solid var(--line-soft);margin-top:-1px;}
.faq-answer p{padding-top:18px;margin:0;font-size:15.5px;color:var(--muted);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 90px;}
.cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--r-lg);
  background:linear-gradient(120deg,#EAF4F8 0%,#F7FBFC 55%,#FDF0EA 100%);
  border:1px solid #DCEAF1;
  padding:56px 54px;
  display:grid;grid-template-columns:minmax(0,1.4fr) minmax(0,1fr);
  gap:40px;align-items:center;
  box-shadow:var(--sh-1);
}
.cta-card h2{font-size:clamp(24px,2.6vw,32px);margin-bottom:14px;}
.cta-card p{color:var(--muted);font-size:16px;margin-bottom:0;max-width:560px;}
.cta-actions{display:flex;flex-direction:column;gap:12px;}
.cta-note{font-size:13px;color:var(--muted);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{background:#EAF1F5;border-top:1px solid #DBE7EE;padding:64px 0 26px;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;padding-bottom:40px;border-bottom:1px solid #D8E5EC;
}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;color:var(--muted);line-height:1.8;max-width:340px;margin:0;}
.footer-col h4{font-size:15px;margin-bottom:16px;color:var(--text);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul li a{font-size:14.5px;color:var(--muted);}
.footer-col ul li a:hover{color:var(--brand-dark);}
.footer-contact li{
  display:flex;gap:10px;font-size:14.5px;color:var(--muted);line-height:1.7;margin-bottom:12px;
}
.footer-contact i{color:var(--brand);margin-top:4px;font-size:13px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:24px;font-size:13px;color:#7E939F;
}
.footer-bottom a{color:#7E939F;text-decoration:underline;}
.footer-bottom a:hover{color:var(--brand-dark);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .case-card.is-wide{grid-column:span 2;}
  .case-card.is-wide .case-media img{height:260px;}
  .quote-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media screen and (max-width:1023px){
  .section{padding:66px 0;}
  .page-hero{padding:80px 0 72px;}
  .nav-top-inner{flex-wrap:wrap;gap:14px;padding:12px 0;}
  .search-box{max-width:none;order:3;flex:1 1 100%;}
  .nav-actions{margin-left:auto;}
  .deep-item{grid-template-columns:1fr;gap:26px;}
  .deep-item.is-reverse .deep-media{order:0;}
  .deep-media img{height:280px;}
  .cta-card{grid-template-columns:1fr;padding:44px 36px;}
  .cta-actions{flex-direction:row;flex-wrap:wrap;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media screen and (max-width:639px){
  body{font-size:16px;}
  .wrap{padding:0 18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:30px;}
  .page-hero{padding:60px 0 56px;}
  .hero-lead{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-figs{grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 12px;max-width:none;}
  .fig-num{font-size:24px;}
  .nav-link-quiet{display:none;}
  .brand-name{font-size:16.5px;}
  .case-grid{grid-template-columns:1fr;}
  .case-card.is-wide{grid-column:span 1;}
  .case-card.is-wide .case-media img,
  .case-media img{height:200px;}
  .quote-grid{grid-template-columns:1fr;}
  .filter-bar{padding:14px 14px;border-radius:var(--r-md);}
  .faq-item summary{padding:18px 56px 18px 18px;font-size:15.5px;}
  .faq-answer{padding:0 18px 20px;}
  .cta-section{padding:0 0 60px;}
  .cta-card{padding:32px 22px;border-radius:var(--r-md);}
  .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}