/* roulang page: index */
:root{
  --brand:#14508C;
  --brand-dark:#0F3E6E;
  --brand-soft:rgba(20,80,140,.08);
  --brand-line:rgba(20,80,140,.28);
  --accent:#F26A1B;
  --green:#12A06A;
  --bg:#F4F7FB;
  --surface:#FFFFFF;
  --surface-alt:#EAF1F9;
  --border:#E3EAF3;
  --text:#101F35;
  --muted:#5B6E86;
  --disabled:#98A6B8;
  --footer:#0F2440;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --shadow-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --shadow-3:0 24px 60px rgba(16,42,78,.16);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--surface-alt);}
.section--white{background:var(--surface);}
.section-head{max-width:820px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);
  line-height:1.3;
  font-weight:700;
  color:var(--text);
  padding-left:16px;
  position:relative;
}
.section-head h2::before{
  content:"";
  position:absolute;left:0;top:.18em;
  width:4px;height:1em;
  border-radius:2px;
  background:var(--brand);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;max-width:820px;}
.section-head--split{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1);}
.nav{
  display:flex;align-items:center;justify-content:space-between;
  height:72px;gap:24px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--text);}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand);
  display:flex;align-items:center;justify-content:center;
  color:#fff;font-size:16px;flex:none;
}
.nav-menu{display:flex;align-items:center;gap:4px;}
.nav-menu a{
  display:block;position:relative;
  padding:8px 14px;
  font-size:15px;font-weight:500;
  color:var(--muted);
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--brand);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.985);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:var(--shadow-2);}
.btn-ghost{border:1px solid var(--brand);color:var(--brand);background:transparent;}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn-accent:hover{background:#d95a12;color:#fff;box-shadow:var(--shadow-2);}
.btn-block{width:100%;}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-btn);
  border:1px solid var(--border);color:var(--text);
  align-items:center;justify-content:center;font-size:18px;background:#fff;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(15,36,64,.45);
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;
  background:#fff;z-index:80;padding:22px 20px 28px;
  transform:translateX(-102%);transition:transform .26s ease;
  display:flex;flex-direction:column;gap:6px;overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:38px;height:38px;border-radius:var(--radius-btn);border:1px solid var(--border);font-size:16px;background:#fff;}
.drawer a.drawer-link{
  padding:13px 12px;border-radius:var(--radius-md);
  font-size:15px;font-weight:500;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;
}
.drawer a.drawer-link:hover{background:var(--surface-alt);color:var(--brand);}
.drawer a.drawer-link.is-active{color:var(--brand);font-weight:600;background:var(--brand-soft);}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);}

/* ---------- Hero ---------- */
.hero{position:relative;padding:72px 0 96px;background:var(--surface);overflow:hidden;}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background-image:linear-gradient(90deg,#C9D8E9 50%,transparent 0);
  background-size:14px 1px;opacity:.9;
}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(30px,4.2vw,48px);
  line-height:1.22;font-weight:700;
  margin-bottom:18px;
}
.hero-sub{font-size:17px;color:var(--muted);max-width:600px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.badge-accent{background:rgba(242,106,27,.12);color:#C4550F;}
.badge-green{background:rgba(18,160,106,.12);color:#0C7A50;}
.hero-visual{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-2);}
.hero-visual img{width:100%;height:420px;object-fit:cover;}
.hero-visual::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(15,62,110,.28),rgba(15,62,110,.68));
}
.hero-visual-tag{
  position:absolute;left:20px;right:20px;bottom:20px;
  color:#fff;display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.hero-visual-tag strong{display:block;font-size:17px;font-weight:600;}
.hero-visual-tag span{font-size:13px;color:rgba(255,255,255,.78);}
.hero-visual-pill{
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);
  color:#fff;border-radius:999px;padding:6px 14px;font-size:12.5px;font-weight:600;
  backdrop-filter:blur(6px);white-space:nowrap;
}

/* ---------- 指标卡 ---------- */
.stats-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.stat-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-line);}
.stat-num{
  font-size:36px;font-weight:700;line-height:1.1;color:var(--brand);
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px;
}
.stat-num small{font-size:14px;font-weight:500;color:var(--muted);}
.stat-label{margin-top:10px;font-size:14px;color:var(--muted);}

/* ---------- 服务矩阵 ---------- */
.bento{display:grid;grid-template-columns:1.35fr 1fr 1fr;grid-template-rows:auto auto;gap:24px;}
.bento-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;gap:12px;
}
.bento-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-line);}
.bento-card--hero{grid-row:span 2;padding:0;overflow:hidden;}
.bento-card--hero .bento-media{position:relative;height:240px;}
.bento-card--hero .bento-media img{width:100%;height:100%;object-fit:cover;}
.bento-card--hero .bento-media::before{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,62,110,.15),rgba(15,62,110,.62));}
.bento-card--hero .bento-media span{
  position:absolute;left:20px;bottom:16px;color:#fff;font-size:13px;font-weight:600;letter-spacing:.02em;
}
.bento-card--hero .bento-inner{padding:26px;display:flex;flex-direction:column;gap:12px;}
.icon-box{
  width:44px;height:44px;border-radius:var(--radius-md);
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;flex:none;
}
.bento-card h3{font-size:20px;line-height:1.45;font-weight:600;}
.bento-card p{color:var(--muted);font-size:15px;line-height:1.75;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);margin-top:auto;
}
.text-link i{transition:transform .18s ease;font-size:12px;}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 对比 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{
  border-radius:var(--radius-lg);padding:26px;border:1px solid var(--border);
  background:var(--surface);box-shadow:var(--shadow-1);
}
.compare-col--alt{background:var(--surface-alt);}
.compare-col--brand{border-color:var(--brand-line);box-shadow:var(--shadow-2);}
.compare-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.compare-title h3{font-size:18px;font-weight:600;}
.compare-row{margin-bottom:18px;}
.compare-row:last-child{margin-bottom:0;}
.compare-row-top{display:flex;align-items:center;justify-content:space-between;font-size:14px;margin-bottom:8px;color:var(--muted);}
.compare-row-top b{color:var(--text);font-weight:600;}
.compare-bar{height:8px;border-radius:999px;background:#DDE7F1;overflow:hidden;}
.compare-bar span{display:block;height:100%;border-radius:999px;background:#9DB2C7;}
.compare-col--brand .compare-bar span{background:var(--brand);}
.compare-col--brand .compare-bar span.is-up{background:var(--green);}
.compare-val{font-variant-numeric:tabular-nums;font-weight:600;}
.compare-val.up{color:var(--green);}
.compare-val.down{color:var(--accent);}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;min-height:260px;}
.news-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-line);}
.news-card__media{display:block;background:var(--surface-alt);}
.news-card__media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.news-card__body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.news-card__title{font-size:17px;font-weight:600;line-height:1.5;}
.news-card__title a{color:var(--text);}
.news-card__title a:hover{color:var(--brand);}
.news-card__desc{color:var(--muted);font-size:14px;line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card__meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--disabled);padding-top:10px;border-top:1px dashed #C9D8E9;
}
.empty-state{
  grid-column:1/-1;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:12px;padding:56px 24px;border:1px dashed #C9D8E9;border-radius:var(--radius-lg);
  background:var(--surface-alt);color:var(--muted);text-align:center;
}
.empty-state i{font-size:26px;color:var(--disabled);}
.empty-state p{font-size:15px;}

/* ---------- 时间轴 ---------- */
.timeline{position:relative;display:grid;grid-template-columns:repeat(5,minmax(0,1fr));gap:24px;}
.timeline::before{
  content:"";position:absolute;left:22px;right:22px;top:19px;height:1px;
  background-image:linear-gradient(90deg,#C9D8E9 50%,transparent 0);
  background-size:12px 1px;
}
.tl-item{position:relative;padding-top:56px;}
.tl-dot{
  position:absolute;top:0;left:0;width:38px;height:38px;border-radius:999px;
  background:var(--surface);border:1px solid var(--brand-line);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:600;font-size:14px;
  font-variant-numeric:tabular-nums;box-shadow:var(--shadow-1);
}
.tl-item h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.tl-item p{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- FAQ ---------- */
.faq{max-width:900px;margin:0 auto;border-top:1px solid var(--border);}
.faq-item{border-bottom:1px solid var(--border);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--text);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .18s ease;flex:none;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 4px 22px;color:var(--muted);font-size:16px;line-height:1.8;}

/* ---------- 表单 ---------- */
.contact-grid{display:grid;grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);gap:32px;align-items:start;}
.form-card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow-1);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field .req{color:var(--accent);margin-left:4px;}
.field input,.field textarea,.field select{
  width:100%;height:48px;padding:0 14px;
  border:1px solid var(--border);border-radius:var(--radius-md);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:118px;padding:12px 14px;resize:vertical;line-height:1.7;}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,80,140,.18);
}
.field-hint{font-size:13px;color:var(--muted);margin-top:6px;}
.form-msg{
  margin-top:16px;font-size:14px;font-weight:600;color:var(--green);display:none;
  align-items:center;gap:8px;
}
.form-msg.is-show{display:flex;}
.trust-card{
  background:var(--surface-alt);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:32px;
}
.trust-list li{display:flex;gap:12px;padding:14px 0;border-bottom:1px dashed #C9D8E9;}
.trust-list li:last-child{border-bottom:0;padding-bottom:0;}
.trust-list i{color:var(--green);font-size:16px;margin-top:5px;flex:none;}
.trust-list b{display:block;font-size:15px;font-weight:600;}
.trust-list span{font-size:14px;color:var(--muted);}
.trust-contact{margin-top:22px;padding-top:20px;border-top:1px solid var(--border);font-size:14px;color:var(--muted);}
.trust-contact strong{color:var(--text);font-weight:600;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  padding:56px;color:#fff;box-shadow:var(--shadow-2);
  background-image:linear-gradient(90deg,rgba(15,62,110,.92),rgba(20,80,140,.72)),url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.35;margin-bottom:12px;color:#fff;padding:0;}
.cta-band p{color:rgba(255,255,255,.82);max-width:680px;margin-bottom:26px;}
.cta-band .hero-actions{margin-bottom:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--brand);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.68);}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer li{margin-bottom:10px;}
.site-footer li a{color:rgba(255,255,255,.72);font-size:14px;transition:color .18s ease;}
.site-footer li a:hover{color:var(--accent);}
.footer-contact li{font-size:14px;display:flex;gap:10px;}
.footer-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.66);}
.footer-bottom a:hover{color:var(--accent);}
.to-top{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;
  color:rgba(255,255,255,.72);transition:color .18s ease;
}
.to-top:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .bento{grid-template-columns:1.2fr 1fr;}
  .bento-card--hero{grid-row:span 1;grid-column:1/-1;}
  .stats-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline{grid-template-columns:repeat(3,minmax(0,1fr));}
  .timeline::before{display:none;}
  .tl-item{padding-top:0;padding-left:52px;min-height:44px;}
  .tl-dot{top:0;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-primary{display:none;}
  .section{padding:72px 0;}
  .hero{padding:48px 0 72px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual img{height:320px;}
  .contact-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:40px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .stats-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .bento{grid-template-columns:1fr;}
  .compare{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .section-head--split{flex-direction:column;align-items:flex-start;gap:12px;}
  .hero-actions .btn{width:100%;}
  .stat-num{font-size:30px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:56px;}
  .form-card,.trust-card{padding:22px;}
  .cta-band{padding:28px 22px;}
}
@media (max-width:479px){
  body{font-size:15px;}
  .hero h1{font-size:28px;}
  .stat-num{font-size:26px;}
  .news-card__body{padding:18px;}
}

/* roulang page: article */
:root{
  --brand:#14508C;
  --brand-dark:#0F3F6F;
  --brand-deep:#0F2440;
  --accent:#F26A1B;
  --accent-dark:#C4500E;
  --green:#12A06A;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --soft:#EAF1F9;
  --line:#E3EAF3;
  --ink:#101F35;
  --ink-2:#25384F;
  --muted:#5B6E86;
  --disabled:#98A6B8;
  --radius-lg:16px;
  --radius-sm:12px;
  --radius-btn:10px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --shadow-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --shadow-3:0 24px 60px rgba(16,42,78,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  font-weight:400;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0}
li{list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink)}
p{margin:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:767px){.container{padding:0 20px}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;font-size:16px;
}
.logo-text{font-size:18px;font-weight:700;letter-spacing:.01em;color:var(--ink)}
.nav-menu{display:flex;align-items:center;gap:26px;flex:1;justify-content:center}
.nav-menu a{
  position:relative;display:inline-block;padding:6px 0;font-size:15px;font-weight:500;color:#33465F;
  transition:color .18s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--brand);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;border-radius:10px;border:1px solid var(--line);background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;margin:0 auto;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle:hover{border-color:rgba(20,80,140,.28)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .18s ease,box-shadow .18s ease,border-color .18s ease,transform .12s ease,color .18s ease;
}
.btn:active{transform:scale(.985)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--brand-dark);box-shadow:var(--shadow-2)}
.btn-ghost{border-color:var(--brand);color:var(--brand);background:#fff}
.btn-ghost:hover{background:rgba(20,80,140,.06);box-shadow:var(--shadow-1)}
.btn-light{background:#fff;color:var(--brand)}
.btn-light:hover{background:#EAF1F9}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);transition:color .18s ease}
.link-arrow i{transition:transform .18s ease}
.link-arrow:hover{color:var(--accent)}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- badges / tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--radius-pill);
  background:rgba(20,80,140,.08);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.badge-accent{background:rgba(242,106,27,.12);color:var(--accent-dark)}
.badge-green{background:rgba(18,160,106,.12);color:var(--green)}
.tag-list{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--radius-pill);
  border:1px solid var(--line);background:#fff;color:var(--muted);
  font-size:13px;font-weight:500;transition:color .18s ease,border-color .18s ease,background-color .18s ease;
}
.tag:hover{color:var(--brand);border-color:rgba(20,80,140,.28);background:rgba(20,80,140,.05)}

/* ---------- drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;z-index:70;background:rgba(11,32,56,.45);
  opacity:0;pointer-events:none;transition:opacity .28s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.nav-drawer{
  position:fixed;top:0;left:0;bottom:0;z-index:80;
  width:84vw;max-width:360px;background:#fff;padding:22px 20px 26px;
  transform:translateX(-104%);transition:transform .28s ease;
  overflow-y:auto;display:flex;flex-direction:column;gap:4px;
  box-shadow:var(--shadow-3);
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-link{
  display:block;padding:14px 6px;border-bottom:1px solid var(--line);
  font-size:16px;font-weight:500;color:#22374F;transition:color .18s ease,padding-left .18s ease;
}
.drawer-link:hover{color:var(--brand);padding-left:12px}
.drawer-cta{margin-top:auto}
body.no-scroll{overflow:hidden}
@media (max-width:1023px){
  .nav-menu{display:none}
  .nav-toggle{display:flex}
  .header-inner{height:60px;gap:16px}
  .header-actions{margin-left:auto}
}
@media (max-width:559px){
  .header-actions .btn-primary{display:none}
}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(11,32,56,.86),rgba(20,80,140,.72)),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:56px 0 60px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72)}
.breadcrumb a{color:rgba(255,255,255,.86);transition:color .18s ease}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .current{color:rgba(255,255,255,.62);max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-hero .badge{background:rgba(255,255,255,.14);color:#fff;margin:22px 0 14px}
.article-hero h1{
  color:#fff;font-size:clamp(26px,3.4vw,42px);line-height:1.28;font-weight:700;
  max-width:900px;letter-spacing:.01em;
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:20px;font-size:14px;color:rgba(255,255,255,.78)}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:rgba(255,255,255,.6)}
@media (max-width:767px){
  .article-hero{padding:36px 0 40px}
  .breadcrumb .current{max-width:100%;white-space:normal}
}

/* ---------- article layout ---------- */
main{padding:56px 0 0}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px}
.article-aside{display:none}
.toc-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:20px 18px;
}
.toc-title{font-size:14px;font-weight:600;color:var(--ink);margin-bottom:10px}
.toc-list a{
  display:block;padding:7px 0 7px 12px;font-size:13.5px;line-height:1.6;color:var(--muted);
  border-left:2px solid var(--line);transition:color .18s ease,border-color .18s ease;
}
.toc-list a:hover{color:var(--brand);border-color:var(--brand)}
.toc-mobile{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  box-shadow:var(--shadow-1);padding:14px 16px;margin-bottom:20px;
}
.toc-mobile summary{font-size:14px;font-weight:600;color:var(--brand);cursor:pointer}
.toc-mobile .toc-list{margin-top:10px}
@media (min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:40px}
  .article-aside{display:block;position:sticky;top:96px;align-self:start}
  .toc-mobile{display:none}
}

/* ---------- article card ---------- */
.article-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);padding:44px 44px 34px;
  min-height:560px;
}
.article-body{max-width:800px;margin:0 auto;font-size:16px;line-height:1.85;color:var(--ink-2)}
.article-body h2{
  position:relative;font-size:24px;line-height:1.35;font-weight:700;color:var(--ink);
  margin:44px 0 14px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;width:4px;height:.9em;
  background:var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;line-height:1.45;font-weight:600;color:var(--ink);margin:30px 0 12px}
.article-body h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px}
.article-body p{margin:0 0 18px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:10px}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.74em;width:6px;height:6px;border-radius:50%;background:var(--brand);
}
.article-body ol{counter-reset:li;padding-left:0}
.article-body ol li{position:relative;padding-left:30px;margin-bottom:10px;counter-increment:li}
.article-body ol li::before{
  content:counter(li);position:absolute;left:0;top:.32em;
  display:flex;align-items:center;justify-content:center;
  width:20px;height:20px;border-radius:6px;background:rgba(20,80,140,.1);color:var(--brand);
  font-size:12px;font-weight:600;font-variant-numeric:tabular-nums;
}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;background:var(--soft);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:26px auto;max-width:100%;height:auto}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13.5px;color:var(--muted);margin-top:10px}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(20,80,140,.3);transition:color .18s ease,border-color .18s ease}
.article-body a:hover{color:var(--accent);border-color:rgba(242,106,27,.5)}
.article-body strong{font-weight:600;color:var(--ink)}
.article-body table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:1.7}
.article-body th,.article-body td{border:1px solid var(--line);padding:12px 14px;text-align:left}
.article-body thead th{background:var(--soft);font-weight:600;color:var(--ink)}
.article-body tbody tr:nth-child(even){background:#FAFCFF}
.article-body hr{border:0;border-top:1px dashed #C9D8E9;margin:34px 0}
.article-body>*:first-child{margin-top:0}
.empty-state{
  max-width:800px;margin:40px auto;text-align:center;padding:48px 24px;
  border:1px dashed var(--line);border-radius:var(--radius-lg);background:#FBFDFF;
}
.empty-state i{font-size:34px;color:var(--disabled)}
.empty-state p{margin:16px 0 20px;color:var(--muted);font-size:15px}
.article-tags{
  max-width:800px;margin:36px auto 0;padding-top:24px;border-top:1px dashed #C9D8E9;
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
}
.article-tags span.label{font-size:13px;color:var(--muted);font-weight:600;margin-right:4px}
@media (max-width:767px){
  .article-card{padding:24px 20px 22px;min-height:420px;border-radius:var(--radius-sm)}
  .article-body h2{font-size:21px;margin:34px 0 12px}
  .article-body table{font-size:14px}
  .article-body th,.article-body td{padding:10px}
}

/* ---------- blocks ---------- */
.block{margin-top:64px}
.block-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:24px}
.block-head h2{
  position:relative;font-size:clamp(21px,2.4vw,28px);line-height:1.32;font-weight:700;padding-left:14px;
}
.block-head h2::before{
  content:"";position:absolute;left:0;top:.2em;width:4px;height:.86em;background:var(--brand);border-radius:2px;
}
.block-head p{color:var(--muted);font-size:14px;margin-top:8px}

/* ---------- post nav ---------- */
.post-nav{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.post-nav a{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.post-nav a:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(20,80,140,.28)}
.post-nav .dir{font-size:12.5px;font-weight:600;letter-spacing:.02em;color:var(--muted);display:inline-flex;align-items:center;gap:6px}
.post-nav h3{font-size:16px;font-weight:600;margin:10px 0 6px;line-height:1.5}
.post-nav p{font-size:13.5px;color:var(--muted);line-height:1.65}
.post-nav .next{text-align:right}
.post-nav .next .dir{justify-content:flex-end}
@media (max-width:767px){
  .post-nav{grid-template-columns:1fr}
  .post-nav .next{text-align:left}
  .post-nav .next .dir{justify-content:flex-start}
}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:rgba(20,80,140,.28)}
.card-media{aspect-ratio:16/10;background:var(--soft);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--ink)}
.card-body p{font-size:14px;line-height:1.7;color:var(--muted)}
.card-meta{margin-top:auto;display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--disabled);font-variant-numeric:tabular-nums}
@media (max-width:1023px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:767px){.card-grid{grid-template-columns:1fr}}

.article-back{text-align:center;margin-top:40px}

/* ---------- cta band ---------- */
.cta-band{
  margin-top:64px;background:linear-gradient(120deg,rgba(20,80,140,.1),rgba(242,106,27,.09));
  border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:48px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(21px,2.4vw,28px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
@media (max-width:767px){
  .cta-band{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);margin-top:88px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:32px;padding-bottom:44px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:600;margin-bottom:14px}
.footer-brand .logo-mark{background:var(--brand);color:#fff}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);max-width:360px}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer li{margin-bottom:10px}
.site-footer li a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease}
.site-footer li a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{margin-top:6px;color:rgba(255,255,255,.5)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.8);font-weight:600;transition:color .18s ease}
.to-top:hover{color:var(--accent)}
@media (max-width:1023px){
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:559px){
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .site-footer{margin-top:64px;padding-top:48px}
}

/* roulang page: category1 */
:root{
  --brand:#14508C;
  --brand-deep:#0F3C6B;
  --brand-soft:rgba(20,80,140,.08);
  --brand-line:rgba(20,80,140,.28);
  --accent:#F26A1B;
  --green:#12A06A;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --soft:#EAF1F9;
  --line:#E3EAF3;
  --ink:#101F35;
  --muted:#5B6E86;
  --dim:#98A6B8;
  --dash:#C9D8E9;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --sh-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --sh-3:0 24px 60px rgba(16,42,78,.16);
  --w:1200px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea{font-family:inherit;font-size:16px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:var(--w);margin:0 auto;padding:0 32px;}
.nums{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{
  height:72px;display:flex;align-items:center;gap:28px;
}
.logo{display:flex;align-items:center;gap:10px;font-weight:700;font-size:18px;letter-spacing:.01em;color:var(--ink);flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:10px;display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-size:15px;
}
.nav-menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-menu a{
  position:relative;font-size:15px;color:var(--muted);padding:6px 0;font-weight:500;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--brand);font-weight:700;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.header-cta{flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .12s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn:active{transform:scale(.985);}
.btn-primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--brand-deep);box-shadow:var(--sh-2);color:#fff;}
.btn-ghost{background:transparent;color:var(--brand);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);}
.btn-light{background:#fff;color:var(--brand);}
.btn-light:hover{background:#F0F6FC;color:var(--brand-deep);}
.text-link{color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.text-link i{transition:transform .18s ease;font-size:12px;}
.text-link:hover i{transform:translateX(4px);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--brand);font-size:16px;
  align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:var(--brand-line);}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,31,53,.45);opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:95;
  transform:translateX(-102%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:18px 20px 20px;box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;gap:10px;padding-bottom:16px;border-bottom:1px solid var(--line);}
.drawer-head .logo-mark{width:32px;height:32px;font-size:14px;}
.drawer-head strong{font-size:16px;}
.drawer-close{margin-left:auto;width:36px;height:36px;border-radius:10px;color:var(--muted);font-size:16px;}
.drawer-close:hover{background:var(--soft);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0;gap:2px;}
.drawer-nav a{
  padding:12px 12px;border-radius:var(--r-md);font-size:15px;color:var(--muted);font-weight:500;
}
.drawer-nav a:hover{background:var(--soft);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700;}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:var(--muted);padding:14px 0;
}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--dim);}
.crumb .current{color:var(--ink);font-weight:600;}

/* ---------- 迷你 Hero ---------- */
.page-hero{
  position:relative;min-height:300px;display:flex;align-items:center;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(9,32,58,.88) 0%,rgba(15,60,107,.72) 52%,rgba(15,60,107,.58) 100%);
}
.page-hero .container{position:relative;z-index:2;padding-top:56px;padding-bottom:56px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:12.5px;letter-spacing:.02em;margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.22;font-weight:700;letter-spacing:.01em;
  max-width:820px;
}
.page-hero p{
  margin-top:14px;max-width:760px;font-size:16.5px;line-height:1.8;
  color:rgba(255,255,255,.86);
}
.hero-meta{display:flex;flex-wrap:wrap;gap:22px;margin-top:26px;}
.hero-meta div{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.82);}
.hero-meta i{color:#7FC3F2;}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0;}
.section-soft{background:var(--soft);}
.section-white{background:#fff;}
.section-head{max-width:800px;margin-bottom:44px;}
.section-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;
  padding-left:16px;border-left:4px solid var(--brand);
}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-block;font-size:12.5px;letter-spacing:.02em;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-pill);padding:5px 12px;margin-bottom:14px;font-weight:600;
}

/* ---------- 要点卡 ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.card .icon-box{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--brand-soft);color:var(--brand);font-size:17px;margin-bottom:18px;
}
.card h3{font-size:20px;line-height:1.45;font-weight:600;}
.card p{margin-top:10px;color:var(--muted);font-size:15px;line-height:1.8;}
.card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;font-size:12.5px;letter-spacing:.02em;
  padding:4px 11px;border-radius:var(--r-pill);background:var(--soft);color:var(--muted);
}
.tag-brand{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.tag-accent{background:rgba(242,106,27,.12);color:#C4520E;font-weight:600;}

/* ---------- 时间轴 ---------- */
.timeline-wrap{max-width:880px;}
.timeline{position:relative;padding-left:44px;}
.timeline::before{
  content:"";position:absolute;left:14px;top:10px;bottom:10px;
  border-left:1px dashed var(--dash);
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:attr(data-step);
  position:absolute;left:-44px;top:4px;
  width:29px;height:29px;border-radius:50%;
  background:var(--brand);color:#fff;font-size:12.5px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 0 0 5px var(--bg);
}
.section-soft .tl-item::before{box-shadow:0 0 0 5px var(--soft);}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--brand-line);}
.tl-stage{font-size:12.5px;letter-spacing:.02em;color:var(--accent);font-weight:700;margin-bottom:8px;}
.tl-card h3{font-size:19px;font-weight:600;line-height:1.45;}
.tl-card p{margin-top:10px;color:var(--muted);font-size:15px;}
.tl-card ul{margin-top:14px;display:grid;gap:8px;}
.tl-card ul li{
  position:relative;padding-left:18px;font-size:14.5px;color:var(--muted);
}
.tl-card ul li::before{
  content:"";position:absolute;left:0;top:10px;width:7px;height:7px;border-radius:50%;background:var(--brand);
}

/* ---------- 指标条 ---------- */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-1);
}
.metric .num{
  font-size:36px;font-weight:700;line-height:1.1;color:var(--brand);
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:6px;
}
.metric .num small{font-size:14px;color:var(--dim);font-weight:500;}
.metric .label{margin-top:10px;font-size:15px;font-weight:600;}
.metric .desc{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- 对照区 ---------- */
.compare{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.compare-col{border-radius:var(--r-lg);padding:26px;border:1px solid var(--line);background:#fff;}
.compare-col.plain{background:#F7F9FC;border-color:#E8EEF6;}
.compare-col.strong{background:#fff;border-color:var(--brand-line);box-shadow:var(--sh-2);}
.compare-col h3{font-size:19px;font-weight:600;display:flex;align-items:center;gap:10px;}
.compare-col h3 .dot{width:10px;height:10px;border-radius:50%;background:var(--dim);}
.compare-col.strong h3 .dot{background:var(--brand);}
.compare-list{margin-top:20px;display:grid;gap:16px;}
.compare-row{border-top:1px dashed var(--dash);padding-top:14px;}
.compare-row:first-child{border-top:0;padding-top:0;}
.compare-row .name{font-size:15px;font-weight:600;}
.compare-row .bar{
  height:8px;border-radius:var(--r-pill);background:#E7EEF7;margin-top:10px;overflow:hidden;
}
.compare-row .bar span{display:block;height:100%;border-radius:var(--r-pill);}
.compare-col.plain .bar span{background:#B9C9DB;}
.compare-col.strong .bar span{background:var(--brand);}
.compare-col.strong .bar span.alt{background:var(--green);}
.compare-row .val{margin-top:8px;font-size:13.5px;color:var(--muted);font-variant-numeric:tabular-nums;}
.compare-col.strong .val{color:var(--brand);font-weight:600;}

/* ---------- 图文板块 ---------- */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
.split figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2);border:1px solid var(--line);}
.split figure img{width:100%;height:100%;aspect-ratio:16/10;object-fit:cover;}
.split h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;padding-left:16px;border-left:4px solid var(--brand);}
.split p{margin-top:14px;color:var(--muted);}
.plain-list{margin-top:22px;display:grid;gap:14px;}
.plain-list li{
  display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;
}
.plain-list i{color:var(--brand);margin-top:5px;font-size:15px;}
.plain-list strong{font-weight:600;}
.plain-list span{color:var(--muted);font-size:14.5px;}

/* ---------- FAQ ---------- */
.faq{max-width:880px;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 4px;text-align:left;font-size:17px;font-weight:600;color:var(--ink);
}
.faq-q:hover{color:var(--brand);}
.faq-q .chev{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;transition:transform .18s ease;
}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .32s ease;
}
.faq-a p{padding:0 4px 22px;color:var(--muted);font-size:16px;line-height:1.8;max-width:800px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,#EAF1F9 0%,#F6F9FD 55%,#EFF5FB 100%);
  border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  box-shadow:var(--sh-1);
}
.cta-band .cta-copy{flex:1 1 420px;}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.35;padding-left:14px;border-left:4px solid var(--accent);}
.cta-band p{margin-top:12px;color:var(--muted);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 表单 ---------- */
.form-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:start;}
.field{margin-bottom:18px;}
.field label{display:block;font-size:14px;font-weight:600;margin-bottom:8px;}
.field label .req{color:var(--accent);margin-left:4px;}
.field input,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-md);
  padding:0 14px;background:#fff;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(20,80,140,.16);
}
.form-note{font-size:13px;color:var(--dim);margin-top:6px;}
.trust-list{display:grid;gap:16px;}
.trust-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px 22px;display:flex;gap:14px;align-items:flex-start;box-shadow:var(--sh-1);
}
.trust-item i{color:var(--green);font-size:17px;margin-top:4px;}
.trust-item strong{display:block;font-weight:600;}
.trust-item span{color:var(--muted);font-size:14.5px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2440;color:rgba(255,255,255,.72);padding:72px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px;
}
.footer-brand .logo-mark{background:var(--brand);}
.site-footer p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;}
.site-footer ul{display:grid;gap:10px;}
.site-footer ul a{font-size:14.5px;color:rgba(255,255,255,.7);}
.site-footer ul a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.7);}
.footer-contact i{color:#7FC3F2;margin-top:6px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.to-top{color:rgba(255,255,255,.7);display:inline-flex;align-items:center;gap:8px;font-size:13.5px;}
.to-top:hover{color:var(--accent);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .metrics{grid-template-columns:repeat(2,1fr);}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:1023px){
  .nav-menu{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .section{padding:72px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .form-grid{grid-template-columns:1fr;gap:32px;}
  .compare{grid-template-columns:1fr;}
  .cta-band{padding:32px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero{min-height:260px;}
  .page-hero .container{padding-top:44px;padding-bottom:44px;}
  .grid-3{grid-template-columns:1fr;gap:16px;}
  .metrics{grid-template-columns:1fr 1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .card,.metric,.tl-card{padding:20px;}
  .section-head{margin-bottom:32px;}
  .timeline{padding-left:38px;}
  .tl-item::before{left:-38px;width:26px;height:26px;font-size:12px;}
}
@media (max-width:479px){
  .page-hero h1{font-size:28px;}
  .section-head h2,.split h2,.cta-band h2{font-size:22px;}
  .metrics{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .hero-meta{gap:14px;}
}

/* roulang page: category2 */
:root{
  --primary:#14508C;
  --primary-deep:#0F3E6E;
  --primary-soft:rgba(20,80,140,.08);
  --primary-line:rgba(20,80,140,.28);
  --accent:#F26A1B;
  --accent-soft:rgba(242,106,27,.10);
  --green:#12A06A;
  --green-soft:rgba(18,160,106,.10);
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --section:#EAF1F9;
  --border:#E3EAF3;
  --dash:#C9D8E9;
  --text:#101F35;
  --muted:#5B6E86;
  --disabled:#98A6B8;
  --danger:#D64545;
  --radius-lg:16px;
  --radius-md:12px;
  --radius-sm:10px;
  --shadow-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --shadow-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --shadow-3:0 24px 60px rgba(16,42,78,.16);
  --container:1200px;
  --ease:.2s cubic-bezier(.4,0,.2,1);
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;font-weight:400;
  color:var(--text);background:var(--bg);
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}

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

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;transition:background var(--ease),box-shadow var(--ease),transform var(--ease),border-color var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn i{font-size:13px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-1)}
.btn-primary:hover{background:var(--primary-deep);box-shadow:var(--shadow-2)}
.btn-ghost{border-color:var(--primary);color:var(--primary);background:transparent}
.btn-ghost:hover{background:var(--primary-soft)}
.btn-light{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.06)}
.btn-light:hover{background:rgba(255,255,255,.16);border-color:#fff}
.btn-block{width:100%}
.btn:active{transform:scale(.985)}
.btn[disabled]{background:#BFCDDD;color:#8798AB;cursor:not-allowed;box-shadow:none}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary);font-weight:600;font-size:15px}
.link-more i{transition:transform var(--ease)}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12.5px;line-height:1.5;letter-spacing:.02em;font-weight:500;
  background:var(--primary-soft);color:var(--primary);
}
.badge-accent{background:var(--accent-soft);color:#C4500D}
.badge-green{background:var(--green-soft);color:#0B7A4F}
.badge-light{background:rgba(255,255,255,.16);color:#fff}
.badge-row{display:flex;flex-wrap:wrap;gap:10px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--shadow-1)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;color:var(--primary);letter-spacing:.01em;flex-shrink:0}
.logo-mark{
  width:36px;height:36px;border-radius:11px;background:var(--primary);
  color:#fff;display:grid;place-items:center;font-size:16px;flex-shrink:0;
}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1}
.nav-menu a{
  position:relative;display:inline-flex;align-items:center;height:72px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--muted);transition:color var(--ease);
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:18px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--primary);font-weight:700}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-cta{flex-shrink:0}
.mobile-toggle{
  display:none;width:42px;height:42px;border-radius:var(--radius-sm);
  border:1px solid var(--border);color:var(--primary);align-items:center;justify-content:center;
  font-size:17px;background:#fff;transition:background var(--ease);
}
.mobile-toggle:hover{background:var(--primary-soft)}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,42,78,.45);z-index:80;
  opacity:0;pointer-events:none;transition:opacity var(--ease);
}
.drawer-mask.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;z-index:90;
  background:#fff;box-shadow:var(--shadow-3);
  transform:translateX(-102%);transition:transform .24s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-nav{display:flex;flex-direction:column;margin:12px 0 0;flex:1;overflow-y:auto}
.drawer-nav a{
  padding:13px 10px;border-radius:var(--radius-sm);font-size:15.5px;font-weight:500;color:var(--muted);
  display:flex;align-items:center;justify-content:space-between;transition:background var(--ease),color var(--ease);
}
.drawer-nav a:hover{background:var(--section);color:var(--primary)}
.drawer-nav a.is-active{color:var(--primary);font-weight:700;background:var(--primary-soft)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--border)}
body.no-scroll{overflow:hidden}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:18px;
}
.breadcrumb a{color:rgba(255,255,255,.78)}
.breadcrumb a:hover{color:#fff;text-decoration:underline}
.breadcrumb i{font-size:10px;opacity:.7}

/* ---------- 内页 Hero ---------- */
.page-hero{
  position:relative;color:#fff;min-height:300px;display:flex;align-items:center;
  padding:56px 0 52px;
  background-image:linear-gradient(120deg,rgba(11,38,68,.80) 0%,rgba(20,80,140,.68) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.22;font-weight:700;letter-spacing:.01em;
}
.page-hero .hero-sub{
  margin-top:16px;max-width:720px;font-size:17px;line-height:1.75;color:rgba(255,255,255,.86);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.hero-meta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-alt{background:var(--section)}
.section-head{max-width:820px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{
  position:relative;padding-left:16px;
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;letter-spacing:.01em;
}
.section-title::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;border-radius:2px;background:var(--primary);
}
.section-head.center .section-title{padding-left:0}
.section-head.center .section-title::before{display:none}
.section-desc{margin-top:14px;color:var(--muted);font-size:16px;max-width:800px}
.section-head.center .section-desc{margin-left:auto;margin-right:auto}
.dash-line{height:0;border-top:1px dashed var(--dash);margin:36px 0}

/* ---------- 指标卡 ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.stat-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:26px;box-shadow:var(--shadow-1);transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.stat-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.stat-value{font-size:38px;line-height:1.1;font-weight:700;color:var(--primary);font-variant-numeric:tabular-nums;letter-spacing:-.01em}
.stat-value small{font-size:16px;font-weight:500;color:var(--muted);margin-left:4px}
.stat-label{margin-top:10px;font-size:15px;font-weight:600}
.stat-note{margin-top:6px;font-size:14px;line-height:1.65;color:var(--muted)}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  box-shadow:var(--shadow-1);overflow:hidden;
}
.table-scroll{overflow-x:auto}
table.compare{width:100%;min-width:760px;border-collapse:collapse}
table.compare th,table.compare td{padding:18px 22px;text-align:left;font-size:15px;border-bottom:1px solid var(--border)}
table.compare thead th{
  background:var(--section);font-weight:600;font-size:14.5px;color:var(--text);
  letter-spacing:.01em;
}
table.compare thead th:first-child{color:var(--muted);font-weight:500}
table.compare tbody th{font-weight:600;color:var(--text);background:#FBFDFF;width:190px}
table.compare tbody tr:nth-child(even) td{background:#FCFDFF}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0}
table.compare td.hl{color:var(--primary);font-weight:600}
table.compare td.dim{color:var(--muted)}
.col-tag{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;padding:3px 10px;border-radius:999px;background:var(--primary-soft);color:var(--primary);margin-left:8px;font-weight:500}
.col-tag.gray{background:#EEF3F9;color:var(--muted)}
.table-foot{padding:16px 22px;background:#FBFDFF;border-top:1px solid var(--border);font-size:14px;color:var(--muted)}

/* ---------- 双栏优劣 ---------- */
.duo-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.duo-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:28px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.duo-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2)}
.duo-card.is-main{border-color:var(--primary-line);box-shadow:var(--shadow-2)}
.duo-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;padding-bottom:18px;border-bottom:1px solid var(--border)}
.duo-head h3{font-size:20px;line-height:1.45;font-weight:600}
.duo-head p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.65}
.duo-icon{
  width:44px;height:44px;border-radius:var(--radius-md);display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary);font-size:18px;flex-shrink:0;
}
.duo-icon.gray{background:#EEF3F9;color:var(--muted)}
.duo-block{margin-top:22px}
.duo-block h4{font-size:14.5px;font-weight:600;letter-spacing:.02em;display:flex;align-items:center;gap:8px}
.duo-block h4 i{font-size:13px}
.duo-block.pro h4{color:#0B7A4F}
.duo-block.con h4{color:#C4500D}
.check-list{margin-top:12px;display:flex;flex-direction:column;gap:10px}
.check-list li{position:relative;padding-left:24px;font-size:15px;line-height:1.7;color:var(--muted)}
.check-list li::before{
  content:"";position:absolute;left:6px;top:.72em;width:7px;height:7px;border-radius:50%;
}
.check-list.pro li::before{background:var(--green)}
.check-list.con li::before{background:var(--accent)}
.check-list li strong{color:var(--text);font-weight:600}

/* ---------- 场景卡片 ---------- */
.card-grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--primary-line)}
.scene-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:var(--section)}
.scene-card figure img{width:100%;height:100%;object-fit:cover;border-radius:0}
.scene-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1}
.scene-body h3{font-size:20px;line-height:1.45;font-weight:600}
.scene-body p{font-size:15px;color:var(--muted)}
.scene-body .link-more{margin-top:auto;padding-top:6px}

/* ---------- 流程时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:24px;position:relative}
.step{position:relative;padding-top:52px}
.step::before{
  content:attr(data-step);position:absolute;top:0;left:0;
  width:38px;height:38px;border-radius:50%;background:var(--primary);color:#fff;
  display:grid;place-items:center;font-size:15px;font-weight:600;font-variant-numeric:tabular-nums;
  box-shadow:0 0 0 6px rgba(20,80,140,.08);
}
.step::after{
  content:"";position:absolute;top:18px;left:52px;right:-24px;border-top:1px dashed var(--dash);
}
.step:last-child::after{display:none}
.step h3{font-size:17px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--radius-lg);box-shadow:var(--shadow-1);overflow:hidden}
.faq-item{border-bottom:1px solid var(--border)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text);
  transition:background var(--ease),color var(--ease);
}
.faq-q:hover{background:#FBFDFF;color:var(--primary)}
.faq-q i{transition:transform .18s ease;color:var(--primary);font-size:14px;flex-shrink:0}
.faq-item.is-open .faq-q{color:var(--primary)}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease}
.faq-a p{padding:0 26px 22px;font-size:15.5px;color:var(--muted);line-height:1.8}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(20,80,140,.10),rgba(20,80,140,.04));
  border:1px solid var(--border);border-radius:var(--radius-lg);
  padding:44px;display:grid;grid-template-columns:1.4fr .9fr;gap:32px;align-items:center;
}
.cta-band h2{font-size:clamp(22px,2.4vw,30px);line-height:1.35;font-weight:700}
.cta-band p{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:620px}
.cta-trust{display:flex;flex-direction:column;gap:14px;justify-content:center}
.cta-trust li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text)}
.cta-trust i{color:var(--green);font-size:14px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:24px}
.cta-side{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:24px;box-shadow:var(--shadow-1);
}
.cta-side h3{font-size:16px;font-weight:600;margin-bottom:14px}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F2440;color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:16px}
.site-footer p{font-size:14.5px;line-height:1.8}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.site-footer ul li{margin-bottom:11px}
.site-footer ul a{font-size:14.5px;transition:color var(--ease)}
.site-footer ul a:hover{color:var(--accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px}
.footer-contact i{color:var(--accent);margin-top:5px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.72);transition:color var(--ease)}
.to-top:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px}
}
@media (max-width:1023px){
  .nav-menu{display:none}
  .header-cta{display:none}
  .mobile-toggle{display:flex}
  .header-inner{height:64px;justify-content:space-between}
  .section{padding:72px 0}
  .stat-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid-3{grid-template-columns:1fr 1fr}
  .steps{grid-template-columns:1fr 1fr;gap:20px}
  .step::after{display:none}
  .cta-band{grid-template-columns:1fr;padding:34px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .site-footer{margin-top:72px;padding-top:56px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  .page-hero{min-height:0;padding:48px 0 44px}
  .page-hero .hero-sub{font-size:15.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .duo-grid{grid-template-columns:1fr}
  .card-grid-3{grid-template-columns:1fr}
  .stat-grid{gap:16px}
  .stat-card{padding:20px}
  .stat-value{font-size:32px}
  .steps{grid-template-columns:1fr}
  .step{padding-top:46px}
  .faq-q{padding:18px 20px;font-size:15.5px}
  .faq-a p{padding:0 20px 18px;font-size:14.8px}
  .table-foot{padding:14px 18px}
  .cta-band{padding:26px}
  .cta-actions .btn{width:100%}
  .hero-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:479px){
  .stat-grid{grid-template-columns:1fr}
  .page-hero h1{font-size:26px}
  .section-title{font-size:22px}
  .btn{height:46px;font-size:14.5px}
}

/* roulang page: category3 */
:root{
  --primary:#14508C;
  --primary-deep:#0F3E6E;
  --primary-soft:rgba(20,80,140,.08);
  --primary-line:rgba(20,80,140,.28);
  --accent:#F26A1B;
  --green:#12A06A;
  --red:#D64545;
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --soft:#EAF1F9;
  --border:#E3EAF3;
  --dash:#C9D8E9;
  --text:#101F35;
  --muted:#5B6E86;
  --disabled:#98A6B8;
  --footer-bg:#0F2440;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --sh-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --sh-3:0 24px 60px rgba(16,42,78,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font-family:inherit;cursor:pointer;border:0;background:none;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--soft{background:var(--soft);}
.section--tight{padding:72px 0;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:90;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:700;letter-spacing:.01em;color:var(--text);flex-shrink:0;}
.brand:hover{color:var(--primary);}
.logo-mark{
  width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;flex-shrink:0;
}
.nav-menu{display:flex;align-items:center;gap:26px;margin:0 auto;}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--muted);
  padding:6px 0;white-space:nowrap;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;border-radius:2px;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);font-weight:700;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.header-cta{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
  transition:background .18s ease,box-shadow .18s ease,transform .12s ease;flex-shrink:0;
}
.header-cta:hover{background:var(--primary-deep);box-shadow:var(--sh-2);}
.header-cta:active{transform:scale(.985);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-md);
  border:1px solid var(--border);background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);margin:3px auto;border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,31,53,.45);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:95;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;background:#fff;z-index:100;
  transform:translateX(-100%);transition:transform .28s ease;display:flex;flex-direction:column;
  box-shadow:var(--sh-3);padding:22px 22px 0;
}
.drawer.is-open{transform:translateX(0);}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:40px;height:40px;border-radius:var(--r-md);background:var(--soft);color:var(--muted);font-size:16px;}
.drawer nav{display:flex;flex-direction:column;gap:4px;}
.drawer nav a{padding:13px 12px;border-radius:var(--r-md);font-size:15.5px;font-weight:500;color:var(--muted);}
.drawer nav a:hover,.drawer nav a.is-active{background:var(--primary-soft);color:var(--primary);font-weight:600;}
.drawer-foot{margin-top:auto;padding:18px 0 26px;}
.drawer-foot .btn{width:100%;justify-content:center;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;letter-spacing:.01em;
  transition:background .18s ease,color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .12s ease;
}
.btn:active{transform:scale(.985);}
.btn-primary{background:var(--primary);color:#fff;}
.btn-primary:hover{background:var(--primary-deep);box-shadow:var(--sh-2);}
.btn-outline{border:1px solid var(--primary);color:var(--primary);background:transparent;}
.btn-outline:hover{background:var(--primary-soft);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#d95c12;box-shadow:var(--sh-2);}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;color:var(--primary);
  font-size:14.5px;font-weight:600;height:auto;padding:0;
}
.btn-link i{transition:transform .18s ease;font-size:12px;}
.btn-link:hover i{transform:translateX(4px);}

/* ---------- 徽章 / 标题 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.badge--accent{background:rgba(242,106,27,.1);color:#c9500d;}
.badge--green{background:rgba(18,160,106,.1);color:#0c7d52;}
.badge--light{background:rgba(255,255,255,.18);color:#fff;}
.sec-head{max-width:760px;margin-bottom:44px;}
.sec-head h2{font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;position:relative;padding-left:16px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--primary);border-radius:2px;
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{font-size:12.5px;font-weight:600;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:10px;display:block;}

/* ---------- 面包屑 + 迷你首屏 ---------- */
.page-hero{
  position:relative;
  min-height:300px;
  display:flex;align-items:center;
  background:
    linear-gradient(120deg,rgba(15,36,64,.86),rgba(20,80,140,.72)),
    url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  color:#fff;
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:22px;height:1px;
  background-image:linear-gradient(90deg,var(--dash) 0 12px,transparent 12px 24px);
  background-size:24px 1px;opacity:.35;
}
.page-hero .container{position:relative;z-index:2;padding-top:52px;padding-bottom:52px;}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:18px;}
.crumbs a{color:rgba(255,255,255,.82);}
.crumbs a:hover{color:#fff;}
.crumbs i{font-size:10px;opacity:.7;}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);line-height:1.22;font-weight:700;margin:14px 0 0;
  letter-spacing:.01em;
}
.page-hero .hero-sub{
  margin-top:14px;max-width:720px;font-size:16.5px;line-height:1.75;color:rgba(255,255,255,.82);
}

/* ---------- 指标条 ---------- */
.metric-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  margin-top:-46px;position:relative;z-index:5;
}
.metric-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.metric-value{
  font-size:38px;line-height:1.1;font-weight:700;color:var(--primary);
  font-variant-numeric:tabular-nums;display:flex;align-items:baseline;gap:4px;
}
.metric-value span{font-size:15px;font-weight:600;color:var(--muted);}
.metric-label{margin-top:10px;font-size:14px;font-weight:600;}
.metric-desc{margin-top:4px;font-size:13.5px;color:var(--muted);line-height:1.65;}

/* ---------- 主区 + 右侧栏 ---------- */
.content-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;gap:24px;align-items:start;
}
.card-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(268px,1fr));gap:24px;}
.card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.card .card-ico{
  width:44px;height:44px;border-radius:var(--r-md);background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;margin-bottom:16px;
}
.card h3{font-size:20px;line-height:1.45;font-weight:600;margin-bottom:10px;}
.card p{font-size:14.8px;color:var(--muted);line-height:1.75;}
.card .btn-link{margin-top:auto;padding-top:18px;}
.card-media{
  margin:-26px -26px 20px;border-radius:var(--r-lg) var(--r-lg) 0 0;overflow:hidden;
  background:var(--soft);aspect-ratio:16/10;
}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}

.side-col{display:flex;flex-direction:column;gap:24px;position:sticky;top:96px;}
.side-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);
}
.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{
  display:flex;gap:10px;padding:10px 0;border-bottom:1px dashed var(--border);
  font-size:14.3px;color:var(--muted);line-height:1.7;
}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list li i{color:var(--green);font-size:12px;margin-top:7px;flex-shrink:0;}
.side-list li strong{color:var(--text);font-weight:600;display:block;font-size:14.5px;}
.side-links li{border-bottom:1px solid var(--border);}
.side-links li:last-child{border-bottom:0;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:14.5px;color:var(--muted);font-weight:500;
}
.side-links a i{font-size:11px;color:var(--disabled);transition:transform .18s ease,color .18s ease;}
.side-links a:hover{color:var(--primary);}
.side-links a:hover i{transform:translateX(4px);color:var(--primary);}
.side-cta{
  background:linear-gradient(160deg,var(--primary) 0%,var(--primary-deep) 100%);
  border-color:transparent;color:#fff;
}
.side-cta h3{color:#fff;}
.side-cta h3 i{color:var(--accent);}
.side-cta p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);margin-bottom:16px;}
.side-cta .btn{width:100%;justify-content:center;}
.side-cta .btn-primary{background:#fff;color:var(--primary);}
.side-cta .btn-primary:hover{background:#eef4fb;}

/* ---------- 对照区 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.compare-col{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.compare-col.is-plain{background:#F8FAFD;box-shadow:none;}
.compare-col.is-best{border:1px solid var(--primary-line);box-shadow:var(--sh-2);}
.compare-col h3{font-size:18px;font-weight:700;margin-bottom:6px;display:flex;align-items:center;gap:9px;}
.compare-col .col-note{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.bar-row{padding:12px 0;border-top:1px dashed var(--border);}
.bar-row:first-of-type{border-top:0;}
.bar-head{display:flex;justify-content:space-between;align-items:baseline;gap:12px;font-size:14.3px;margin-bottom:8px;}
.bar-head span:first-child{color:var(--muted);}
.bar-head b{font-variant-numeric:tabular-nums;font-weight:700;}
.bar-track{height:8px;border-radius:var(--r-pill);background:var(--soft);overflow:hidden;}
.bar-fill{height:100%;border-radius:var(--r-pill);background:#C6D3E2;}
.bar-fill.is-primary{background:var(--primary);}
.bar-fill.is-accent{background:var(--accent);}
.bar-fill.is-green{background:var(--green);}
.num-green{color:var(--green);}
.num-accent{color:var(--accent);}

/* ---------- 流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative;}
.flow::before{
  content:"";position:absolute;left:6%;right:6%;top:23px;height:1px;
  background-image:linear-gradient(90deg,var(--dash) 0 10px,transparent 10px 20px);
  background-size:20px 1px;
}
.flow-item{position:relative;text-align:left;}
.flow-dot{
  width:46px;height:46px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--primary-line);
  color:var(--primary);font-weight:700;font-size:15px;display:inline-flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;position:relative;z-index:2;box-shadow:var(--sh-1);
}
.flow-item h3{font-size:16.5px;font-weight:600;margin:16px 0 8px;}
.flow-item p{font-size:14.3px;color:var(--muted);line-height:1.75;}

/* ---------- 场景列表 ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.scene{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.scene img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--soft);}
.scene-body{padding:22px;display:flex;flex-direction:column;flex:1;}
.scene-body h3{font-size:17px;font-weight:600;margin:12px 0 8px;}
.scene-body p{font-size:14.3px;color:var(--muted);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq{max-width:860px;margin:0 auto;background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;text-align:left;font-size:16px;font-weight:600;color:var(--text);
  transition:color .18s ease,background .18s ease;
}
.faq-q:hover{color:var(--primary);background:rgba(20,80,140,.03);}
.faq-q i{font-size:13px;color:var(--primary);transition:transform .18s ease;flex-shrink:0;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 26px 22px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(120deg,rgba(20,80,140,.08),rgba(242,106,27,.07));
  border:1px solid var(--border);border-radius:var(--r-lg);
  padding:44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:10px;font-size:15px;color:var(--muted);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-actions .btn{height:46px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand .logo-mark{background:var(--primary);}
.site-footer p{font-size:14.3px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.site-footer ul li{margin-bottom:10px;}
.site-footer ul a{font-size:14.3px;color:rgba(255,255,255,.72);}
.site-footer ul a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14.3px;}
.footer-contact i{color:var(--accent);font-size:13px;margin-top:6px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:7px;color:rgba(255,255,255,.72);font-size:13.5px;}
.to-top:hover{color:var(--accent);}
.to-top i{font-size:12px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .content-layout{grid-template-columns:minmax(0,1fr);}
  .side-col{position:static;}
  .metric-row{grid-template-columns:repeat(4,minmax(0,1fr));}
  .flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .flow::before{display:none;}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-menu,.header-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .header-inner{height:64px;justify-content:space-between;}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:-32px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .compare{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:34px;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .page-hero{min-height:260px;}
  .page-hero .container{padding-top:40px;padding-bottom:40px;}
  .metric-row{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .metric-value{font-size:30px;}
  .card-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .card{padding:22px;}
  .card-media{margin:-22px -22px 18px;}
  .scene-grid{grid-template-columns:minmax(0,1fr);gap:16px;}
  .flow{grid-template-columns:minmax(0,1fr);gap:20px;}
  .faq-q{padding:17px 20px;font-size:15.2px;}
  .faq-a p{padding:0 20px 20px;}
  .cta-band{padding:28px 22px;flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:56px;}
}
@media (max-width:479px){
  body{font-size:15.5px;}
  .page-hero h1{font-size:27px;}
  .page-hero .hero-sub{font-size:15px;}
  .metric-row{grid-template-columns:minmax(0,1fr);}
  .sec-head h2{font-size:23px;}
  .brand{font-size:17px;}
}

/* roulang page: category4 */
:root{
  --primary:#14508C;
  --primary-dark:#11467A;
  --primary-soft:rgba(20,80,140,.08);
  --primary-line:rgba(20,80,140,.28);
  --accent:#F26A1B;
  --accent-soft:rgba(242,106,27,.10);
  --green:#12A06A;
  --green-soft:rgba(18,160,106,.10);
  --bg:#F4F7FB;
  --card:#FFFFFF;
  --section:#EAF1F9;
  --border:#E3EAF3;
  --text:#101F35;
  --muted:#5B6E86;
  --disabled:#98A6B8;
  --footer-bg:#0F2440;
  --r-lg:16px;
  --r-md:12px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,42,78,.06),0 8px 24px rgba(16,42,78,.07);
  --sh-2:0 2px 6px rgba(16,42,78,.08),0 16px 36px rgba(16,42,78,.12);
  --sh-3:0 24px 60px rgba(16,42,78,.16);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--primary-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px;}
.num{font-variant-numeric:tabular-nums;}

/* 布局容器 */
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section--tight{padding:72px 0;}
.section--alt{background:var(--section);}

/* 通用标题 */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.02em;font-weight:600;
  color:var(--primary);background:var(--primary-soft);
  border-radius:var(--r-pill);padding:6px 14px;
}
.sec-head{max-width:760px;margin-bottom:40px;}
.sec-head h2{
  font-size:clamp(24px,3vw,34px);line-height:1.3;font-weight:700;
  padding-left:16px;position:relative;margin:16px 0 0;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--primary);border-radius:4px;
}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-1);}
.header-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:700;font-size:19px;color:var(--text);letter-spacing:.01em;}
.brand:hover{color:var(--primary);}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
  flex:none;
}
.nav-menu{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:10px 12px;font-size:15px;font-weight:500;color:var(--muted);
  border-radius:8px;transition:color .18s ease;
}
.nav-menu a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;border-radius:2px;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--primary);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:10px;
  border:1px solid var(--border);background:#fff;color:var(--primary);
  align-items:center;justify-content:center;font-size:17px;
}
.nav-mask{
  position:fixed;inset:0;background:rgba(15,36,64,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease;z-index:70;
}
.nav-mask.is-open{opacity:1;visibility:visible;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;white-space:nowrap;
  transition:background-color .18s ease,box-shadow .18s ease,transform .12s ease,color .18s ease,border-color .18s ease;
}
.btn:active{transform:scale(.985);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--sh-1);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:var(--sh-2);}
.btn-outline{background:transparent;color:var(--primary);border:1px solid var(--primary);}
.btn-outline:hover{background:rgba(20,80,140,.06);color:var(--primary-dark);}
.btn-accent{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn-accent:hover{background:#D95C12;color:#fff;box-shadow:var(--sh-2);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;}
.link-more i{transition:transform .18s ease;}
.link-more:hover i{transform:translateX(4px);}

/* 面包屑 */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--muted);margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.82);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb span.sep{opacity:.6;}

/* 迷你 Hero */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:76px 0 60px;
  background-image:linear-gradient(90deg,rgba(11,42,74,.88),rgba(11,42,74,.62)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:22px;height:1px;
  background-image:linear-gradient(90deg,#C9D8E9 0 8px,transparent 8px 16px);
  background-size:16px 1px;opacity:.35;
}
.page-hero h1{
  font-size:clamp(30px,4.2vw,48px);line-height:1.22;font-weight:700;
  margin:14px 0 0;letter-spacing:.01em;
}
.page-hero p.lead{
  margin-top:16px;max-width:760px;font-size:17px;
  color:rgba(255,255,255,.86);line-height:1.75;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badges span{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
  font-size:13px;color:rgba(255,255,255,.9);
}
.page-hero .eyebrow{background:rgba(255,255,255,.16);color:#fff;}

/* 步骤清单 */
.steps-layout{display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:start;}
.step-list{counter-reset:step;display:grid;gap:16px;}
.step-item{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:22px 26px;box-shadow:var(--sh-1);position:relative;
  display:grid;grid-template-columns:52px 1fr;gap:16px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.step-no{
  width:44px;height:44px;border-radius:var(--r-pill);
  background:var(--primary-soft);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;font-variant-numeric:tabular-nums;
}
.step-item h3{font-size:18px;font-weight:600;line-height:1.45;}
.step-item p{margin-top:8px;color:var(--muted);font-size:15px;}
.step-side{
  position:sticky;top:96px;
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.step-side img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.step-side .side-body{padding:24px;}
.step-side h3{font-size:18px;font-weight:600;}
.step-side ul{margin-top:14px;display:grid;gap:10px;}
.step-side li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);}
.step-side li i{color:var(--green);margin-top:5px;font-size:13px;}

/* 指标卡 */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--gap);}
.metric-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);border-top:3px solid var(--primary);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);}
.metric-card .label{font-size:13.5px;color:var(--muted);font-weight:500;}
.metric-card .value{
  font-size:38px;line-height:1.15;font-weight:700;color:var(--text);
  font-variant-numeric:tabular-nums;margin-top:10px;
}
.metric-card .value small{font-size:15px;font-weight:500;color:var(--muted);margin-left:4px;}
.metric-card .desc{margin-top:10px;font-size:14px;color:var(--muted);}
.metric-card.is-accent{border-top-color:var(--accent);}
.metric-card.is-green{border-top-color:var(--green);}
.bar{height:6px;border-radius:var(--r-pill);background:var(--section);margin-top:14px;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--primary);}
.bar i.g{background:var(--green);}
.bar i.o{background:var(--accent);}

/* 对照表 */
.table-wrap{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.compare{width:100%;border-collapse:collapse;min-width:720px;}
table.compare th,table.compare td{
  padding:18px 22px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--border);vertical-align:top;
}
table.compare thead th{
  background:var(--section);font-weight:600;font-size:14px;color:var(--text);
  letter-spacing:.01em;
}
table.compare tbody tr:nth-child(even){background:rgba(234,241,249,.42);}
table.compare tbody tr:last-child td{border-bottom:none;}
table.compare td.risk{color:var(--muted);}
table.compare td.good{color:var(--green);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:var(--primary-soft);color:var(--primary);
}
.tag--accent{background:var(--accent-soft);color:var(--accent);}
.tag--green{background:var(--green-soft);color:var(--green);}

/* 情形卡片 */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.case-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:var(--primary-line);}
.case-card img{width:100%;aspect-ratio:16/10;object-fit:cover;background:var(--section);}
.case-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.case-body h3{font-size:19px;font-weight:600;line-height:1.45;}
.case-body p{color:var(--muted);font-size:15px;}
.case-body ul{margin-top:4px;display:grid;gap:8px;}
.case-body li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);}
.case-body li i{color:var(--primary);margin-top:5px;font-size:12px;}

/* FAQ */
.faq-list{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--border);}
.faq-item:last-child{border-bottom:none;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 26px;text-align:left;font-size:16.5px;font-weight:600;
  color:var(--text);transition:color .18s ease,background-color .18s ease;
}
.faq-q:hover{color:var(--primary);background:rgba(234,241,249,.5);}
.faq-q i{color:var(--primary);font-size:14px;transition:transform .18s ease;flex:none;}
.faq-item.is-open .faq-q{color:var(--primary);}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 26px 24px;color:var(--muted);font-size:15.5px;line-height:1.85;}

/* CTA 带 */
.cta-band{
  background:var(--section);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:36px;display:flex;align-items:center;justify-content:space-between;gap:28px;
  box-shadow:var(--sh-1);
}
.cta-band h2{font-size:clamp(21px,2.4vw,27px);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:10px;color:var(--muted);font-size:15.5px;max-width:640px;}
.cta-band .cta-actions{display:flex;gap:14px;flex:none;flex-wrap:wrap;}

/* 表单 */
.form-layout{display:grid;grid-template-columns:1.15fr .85fr;gap:32px;align-items:start;}
.form-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh-1);
}
.form-card h3{font-size:20px;font-weight:600;}
.form-card > p{margin-top:10px;color:var(--muted);font-size:14.5px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:24px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--text);display:flex;align-items:center;gap:6px;}
.field label .req{width:6px;height:6px;border-radius:var(--r-pill);background:var(--accent);display:inline-block;}
.field input,.field select,.field textarea{
  height:48px;padding:0 15px;border-radius:var(--r-md);
  border:1px solid var(--border);background:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
  width:100%;
}
.field textarea{height:auto;min-height:124px;padding:13px 15px;line-height:1.75;resize:vertical;}
.field input::placeholder,.field textarea::placeholder{color:var(--disabled);}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 2px rgba(20,80,140,.18);
}
.form-note{margin-top:16px;font-size:13.5px;color:var(--muted);}
.form-actions{margin-top:24px;}
.trust-card{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);
}
.trust-card h3{font-size:18px;font-weight:600;}
.trust-list{margin-top:18px;display:grid;gap:16px;}
.trust-list li{display:grid;grid-template-columns:34px 1fr;gap:14px;}
.trust-list .ico{
  width:34px;height:34px;border-radius:10px;background:var(--primary-soft);
  color:var(--primary);display:flex;align-items:center;justify-content:center;font-size:14px;
}
.trust-list strong{font-weight:600;font-size:15px;display:block;}
.trust-list span{color:var(--muted);font-size:14px;}
.contact-box{
  margin-top:24px;padding-top:22px;border-top:1px dashed #C9D8E9;
  display:grid;gap:12px;font-size:14.5px;color:var(--muted);
}
.contact-box div{display:flex;align-items:center;gap:10px;}
.contact-box i{color:var(--primary);}

/* 页脚 */
.site-footer{background:var(--footer-bg);color:rgba(255,255,255,.72);padding:72px 0 0;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px;}
.footer-brand .logo-mark{background:var(--primary);}
.site-footer p{font-size:14.5px;line-height:1.85;}
.site-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.site-footer ul{display:grid;gap:11px;}
.site-footer ul a{color:rgba(255,255,255,.72);font-size:14.5px;}
.site-footer ul a:hover{color:var(--accent);}
.footer-contact li{display:flex;gap:10px;font-size:14.5px;align-items:flex-start;}
.footer-contact i{color:var(--accent);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.to-top{display:inline-flex;align-items:center;gap:8px;color:rgba(255,255,255,.78);}
.to-top:hover{color:var(--accent);}

/* 响应式 */
@media (max-width:1279px){
  .steps-layout{grid-template-columns:1fr;}
  .step-side{position:static;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .metric-grid{grid-template-columns:repeat(2,1fr);}
  .form-layout{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-toggle{display:inline-flex;}
  .header-actions .btn-sm{display:none;}
  .nav-menu{
    position:fixed;top:0;left:0;bottom:0;width:84vw;max-width:360px;
    background:#fff;z-index:80;flex-direction:column;align-items:stretch;
    gap:4px;padding:88px 20px 28px;margin-left:0;
    transform:translateX(-102%);transition:transform .26s ease;
    overflow-y:auto;box-shadow:var(--sh-3);
  }
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{padding:14px 12px;font-size:16px;border-bottom:1px solid var(--border);border-radius:0;}
  .nav-menu a::after{display:none;}
  .nav-menu a.is-active{background:var(--primary-soft);border-radius:8px;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .container{padding:0 20px;}
  .page-hero{padding:56px 0 48px;}
  .page-hero p.lead{font-size:15.5px;}
  .case-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:28px 22px;}
  .cta-band .cta-actions{width:100%;}
  .cta-band .cta-actions .btn{width:100%;}
  .form-card{padding:24px 20px;}
  .form-grid{grid-template-columns:1fr;gap:16px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a p{padding:0 20px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
  .site-footer{margin-top:64px;padding-top:56px;}
}
@media (max-width:479px){
  .metric-grid{grid-template-columns:1fr;}
  .metric-card .value{font-size:32px;}
  .page-hero h1{font-size:28px;}
  .sec-head h2{font-size:23px;}
  .step-item{grid-template-columns:1fr;padding:20px;}
  .step-no{width:38px;height:38px;font-size:14px;}
  .btn{width:100%;}
  .hero-badges{width:100%;}
}