/* roulang page: index */
:root{
  --brand:#1C6DBF;
  --brand-dark:#0F4C86;
  --brand-soft:#E8F1FB;
  --accent:#E07A2F;
  --accent-soft:#FDF1E6;
  --bg:#F5F8FC;
  --bg-alt:#EEF3F9;
  --card:#FFFFFF;
  --line:#E4EBF3;
  --text:#22303F;
  --text-2:#5B6B7C;
  --text-3:#8A98A8;
  --footer-bg:#16283C;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(16,42,80,.04),0 6px 18px rgba(16,42,80,.06);
  --sh-2:0 2px 6px rgba(16,42,80,.06),0 14px 32px rgba(16,42,80,.10);
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --bs-body-font-family:var(--font);
  --bs-body-color:var(--text);
  --bs-body-bg:var(--bg);
  --bs-primary:#1C6DBF;
  --bs-border-color:var(--line);
  --bs-link-color:var(--brand);
  --bs-link-hover-color:var(--brand-dark);
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--brand-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.2px;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px}
.wrap-wide{max-width:1280px;margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-alt{background:var(--bg-alt)}
.sec-head{margin-bottom:28px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand);font-weight:600;
  background:var(--brand-soft);padding:6px 12px;border-radius:999px;margin-bottom:14px
}
.sec-head h2{font-size:26px;line-height:1.4}
.sec-head p{margin-top:12px;color:var(--text-2);font-size:15px;max-width:660px}
.sec-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap}
.text-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ============ Dock 导航 ============ */
.dock-outer{position:sticky;top:0;z-index:1030;padding:16px 0 0}
.dock{
  max-width:1120px;margin:0 auto;
  display:flex;align-items:center;gap:18px;
  height:64px;padding:0 16px;
  background:rgba(255,255,255,.96);
  border:1px solid #E6EDF6;border-radius:20px;
  box-shadow:var(--sh-1);
  backdrop-filter:saturate(150%) blur(8px);
  transition:height .2s ease-out, box-shadow .2s ease-out;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-2)}
.dock-brand{display:flex;flex-direction:column;line-height:1.1;font-weight:800;color:var(--text);font-size:18px;letter-spacing:.5px}
.dock-brand span{font-size:11px;font-weight:600;color:var(--brand);letter-spacing:2px}
.dock-brand:hover{color:var(--brand-dark)}
.dock-nav{display:flex;align-items:center;gap:4px;margin:0 auto}
.dock-nav a{
  display:inline-block;padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--text-2);
  transition:background .18s ease-out,color .18s ease-out;
}
.dock-nav a:hover{background:var(--brand-soft);color:var(--brand-dark)}
.dock-nav a.active{background:var(--brand-soft);color:var(--brand)}
.dock-actions{display:flex;align-items:center;gap:10px}
.icon-btn{
  width:38px;height:38px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .18s ease-out;cursor:pointer
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:#CFE2F6}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand);color:#fff;font-size:14px;font-weight:600;
  padding:10px 18px;border-radius:var(--r-btn);border:1px solid var(--brand);
  transition:all .18s ease-out;cursor:pointer
}
.btn-dock:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.dock-toggle{display:none;width:38px;height:38px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--text-2);cursor:pointer}
.dock-drawer{
  display:none;max-width:1120px;margin:10px auto 0;
  background:#fff;border:1px solid #E6EDF6;border-radius:16px;
  box-shadow:var(--sh-2);padding:10px;
}
.dock-drawer.open{display:block}
.dock-drawer a{display:block;padding:12px 16px;border-radius:10px;font-weight:600;color:var(--text-2)}
.dock-drawer a:hover,.dock-drawer a.active{background:var(--brand-soft);color:var(--brand)}

/* ============ 按钮 ============ */
.btn{font-family:var(--font);border-radius:var(--r-btn);font-weight:600;border-width:1px;transition:all .18s ease-out}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;padding:12px 26px;font-size:15px}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:#BFD6EE;color:var(--brand);padding:12px 26px;font-size:15px}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#A9C9EB;transform:translateY(-1px)}
.btn-sm-cta{padding:9px 18px;font-size:14px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#FFFFFF 0%,#F5F8FC 100%);
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.09;pointer-events:none;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;padding:76px 0 72px}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-size:13px;font-weight:600;padding:7px 14px;border-radius:999px;box-shadow:var(--sh-1)
}
.hero h1{font-size:clamp(30px,3.4vw,44px);line-height:1.28;margin:22px 0 18px;letter-spacing:.5px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:32px}
.hero-media{position:relative}
.hero-media img{border-radius:var(--r-img);box-shadow:var(--sh-2);width:100%;aspect-ratio:16/11;object-fit:cover}
.hero-badge{
  position:absolute;left:-14px;bottom:18px;
  background:#fff;border:1px solid var(--line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px
}
.hero-badge i{width:34px;height:34px;border-radius:10px;background:var(--accent-soft);color:var(--accent);display:flex;align-items:center;justify-content:center}
.hero-badge strong{display:block;font-size:14px;color:var(--text)}
.hero-badge small{font-size:12px;color:var(--text-3)}
.metrics{
  position:relative;display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;margin:0 0 -46px
}
.metric{padding:26px 28px;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:30px;font-weight:800;color:var(--accent);line-height:1.2}
.metric span{font-size:13px;color:var(--text-2)}

/* ============ 目录合集 ============ */
.catalog{padding-top:110px}
.cat-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:12px;
  box-shadow:var(--sh-1);transition:all .18s ease-out;position:relative
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE2F6}
.cat-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px}
.cat-card h3{font-size:18px}
.cat-card p{font-size:14px;color:var(--text-2);flex:1}
.cat-link{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.cat-card:hover .cat-link{gap:10px}

/* ============ 精选条目 ============ */
.feature-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.feature-side{display:grid;grid-template-rows:repeat(3,1fr);gap:24px}
.f-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease-out;height:100%;
  display:flex;flex-direction:column
}
.f-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.f-card:hover h3{color:var(--brand)}
.f-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.f-body{padding:22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.f-card h3{font-size:18px;line-height:1.5;transition:color .18s ease-out}
.f-card p{font-size:14px;color:var(--text-2)}
.f-mini{flex-direction:row;align-items:stretch}
.f-mini img{width:132px;aspect-ratio:auto;height:100%;object-fit:cover;flex-shrink:0}
.f-mini .f-body{padding:18px 20px;gap:8px}
.f-mini h3{font-size:16px}
.f-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--text-3);margin-top:auto}
.badge-cat{
  display:inline-block;font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-badge);padding:3px 10px;width:fit-content
}
.badge-warm{color:var(--accent);background:var(--accent-soft)}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:22px}
.flow-item{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1);position:relative}
.flow-item::after{
  content:"";position:absolute;right:-14px;top:44px;width:14px;height:1px;background:#CFDCEC
}
.flow-item:last-child::after{display:none}
.flow-item b{display:block;font-size:13px;color:var(--brand);letter-spacing:1px;margin-bottom:10px}
.flow-item h3{font-size:17px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--text-2)}

/* ============ CMS 最新信息 ============ */
.news-card{
  height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:all .18s ease-out;display:flex;flex-direction:column
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE2F6}
.news-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.news-body{padding:20px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.55;transition:color .18s ease-out}
.news-card:hover h3{color:var(--brand)}
.news-body p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;font-size:12.5px;color:var(--text-3)}
.news-foot .go{color:var(--brand);font-weight:600}
.empty-box{
  background:var(--card);border:1px dashed #CFDCEC;border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--text-2)
}
.empty-box i{font-size:28px;color:var(--brand);margin-bottom:14px;display:block}
.empty-box p{font-size:15px;margin-bottom:18px}

/* ============ 相关推荐 ============ */
.rec-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;padding:18px 20px;
  height:100%;transition:all .18s ease-out;display:block
}
.rec-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE2F6}
.rec-item span{font-size:12px;color:var(--text-3)}
.rec-item h3{font-size:15.5px;line-height:1.5;margin:8px 0 6px}
.rec-item:hover h3{color:var(--brand)}
.rec-item p{font-size:13px;color:var(--text-2)}

/* ============ CTA 条 ============ */
.action-bar{
  background:var(--brand-soft);border:1px solid #D6E6F7;border-radius:var(--r-card);
  padding:30px 32px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap
}
.action-bar h2{font-size:21px;margin-bottom:6px}
.action-bar p{font-size:14px;color:var(--text-2)}
.action-btns{display:flex;gap:12px;flex-wrap:wrap}

/* ============ FAQ ============ */
.faq-wrap{display:grid;grid-template-columns:.8fr 1.2fr;gap:48px;align-items:start}
.faq-intro h2{font-size:26px;margin-bottom:14px}
.faq-intro p{font-size:15px;color:var(--text-2);margin-bottom:22px}
.accordion-item{border:0;background:transparent;margin-bottom:12px}
.accordion-button{
  background:var(--card);border:1px solid var(--line);border-radius:14px !important;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--text);box-shadow:none;
  display:flex;justify-content:space-between;gap:16px
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark);box-shadow:none}
.accordion-button:focus{box-shadow:none;border-color:#CFE2F6}
.accordion-button::after{display:none}
.fq-icon{font-size:18px;font-weight:700;color:var(--brand);line-height:1}
.fq-icon::before{content:"+"}
.accordion-button:not(.collapsed) .fq-icon::before{content:"−"}
.accordion-body{background:var(--bg-alt);border-radius:0 0 14px 14px;margin-top:-6px;padding:18px 22px 20px;font-size:15px;color:var(--text-2)}

/* ============ 表单 ============ */
.contact-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:36px;display:grid;grid-template-columns:.9fr 1.1fr;gap:40px
}
.contact-panel h2{font-size:24px;margin-bottom:12px}
.contact-panel .lead{font-size:14.5px;color:var(--text-2);margin-bottom:22px}
.contact-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);margin-bottom:10px}
.contact-list i{color:var(--brand);margin-top:4px}
.form-label{font-size:14px;font-weight:600;color:var(--text);margin-bottom:8px}
.form-control{
  border:1px solid var(--line);border-radius:var(--r-btn);padding:12px 14px;font-size:15px;
  background:#FCFDFF;color:var(--text)
}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(28,109,191,.12);background:#fff}
.form-text{font-size:12.5px;color:var(--text-3)}
.form-note{font-size:13px;color:var(--text-3);margin-top:14px}

/* ============ 页脚 ============ */
.site-footer{background:var(--footer-bg);color:#B9C7D6;margin-top:88px}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;padding:60px 0 40px}
.footer-brand{display:flex;flex-direction:column;gap:6px;color:#fff;font-weight:800;font-size:19px;margin-bottom:14px}
.footer-brand span{font-size:11px;font-weight:600;color:#7FB0E4;letter-spacing:2px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-col p{font-size:13.5px;line-height:1.9;color:#9FB0C2}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:#B9C7D6}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8397AB
}
.toast-tip{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:#16283C;color:#fff;font-size:14px;padding:12px 22px;border-radius:999px;
  opacity:0;pointer-events:none;transition:all .24s ease-out;z-index:2000
}
.toast-tip.show{opacity:1;transform:translate(-50%,0)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-inner{gap:40px}
  .footer-top{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:991.98px){
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex;align-items:center;justify-content:center}
  .btn-dock{display:none}
  .section{padding:64px 0}
  .hero-inner{grid-template-columns:1fr;padding:52px 0 60px}
  .hero-media{order:-1}
  .hero-badge{left:8px;bottom:12px}
  .metrics{margin-top:36px;grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--line)}
  .metric:last-child{border-bottom:0}
  .catalog{padding-top:64px}
  .feature-grid{grid-template-columns:1fr}
  .feature-side{grid-template-rows:none;gap:20px}
  .flow{grid-template-columns:1fr 1fr}
  .flow-item::after{display:none}
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .contact-panel{grid-template-columns:1fr;padding:28px;gap:26px}
  .site-footer{margin-top:64px}
}
@media (max-width:767.98px){
  .wrap,.wrap-wide{padding:0 16px}
  .hero h1{font-size:28px}
  .sec-head h2,.faq-intro h2{font-size:22px}
  .flow{grid-template-columns:1fr}
  .f-mini{flex-direction:column}
  .f-mini img{width:100%;height:180px}
  .action-bar{padding:24px}
  .action-btns{width:100%}
  .action-btns .btn{flex:1;text-align:center}
  .footer-top{grid-template-columns:1fr;padding:44px 0 28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .dock{padding:0 12px;gap:12px;border-radius:16px}
  .dock-brand{font-size:16px}
  .metric{padding:20px}
  .metric b{font-size:26px}
  .contact-panel h2{font-size:20px}
}

/* roulang page: article */
:root{
  --primary:#1C6DBF;
  --primary-dark:#0F4C86;
  --primary-light:#E8F1FB;
  --accent:#E07A2F;
  --accent-light:#FDF1E6;
  --bg:#F5F8FC;
  --bg-alt:#EEF3F9;
  --card:#FFFFFF;
  --line:#E4EBF3;
  --text:#22303F;
  --text-2:#5B6B7C;
  --text-3:#8A98A8;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,80,.04), 0 6px 18px rgba(16,42,80,.06);
  --shadow-2:0 2px 6px rgba(16,42,80,.06), 0 14px 32px rgba(16,42,80,.10);
  --wrap:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:6px}
.wrap{max-width:var(--wrap);margin:0 auto;padding:0 24px}
.read-progress{position:fixed;top:0;left:0;right:0;height:3px;background:transparent;z-index:1050;pointer-events:none}
.read-progress span{display:block;height:100%;width:0;background:linear-gradient(90deg,var(--primary),var(--accent));transition:width .12s linear}

/* Dock 导航 */
.dock{
  position:sticky;top:16px;z-index:1040;
  max-width:1120px;width:calc(100% - 32px);margin:16px auto 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  height:64px;padding:0 14px 0 20px;
  background:#fff;border:1px solid #E6EDF6;border-radius:20px;
  box-shadow:var(--shadow-2);
  transition:height .18s ease-out,box-shadow .18s ease-out;
}
.dock.is-scrolled{height:56px;box-shadow:0 4px 10px rgba(16,42,80,.08),0 16px 34px rgba(16,42,80,.12)}
.dock-brand{font-size:18px;font-weight:800;letter-spacing:.3px;color:#16283C;white-space:nowrap}
.dock-brand span{color:var(--primary);font-weight:700;font-size:15px;margin-left:3px}
.dock-nav{display:flex;align-items:center;gap:4px;list-style:none;margin:0;padding:0}
.dock-nav a{
  display:inline-flex;align-items:center;height:38px;padding:0 15px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--text-2)
}
.dock-nav a:hover{background:var(--primary-light);color:var(--primary-dark)}
.dock-nav a.active{background:var(--primary-light);color:var(--primary);font-weight:600}
.dock-actions{display:flex;align-items:center;gap:8px}
.icon-btn{
  width:38px;height:38px;display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  border-radius:10px;transition:all .18s ease-out;cursor:pointer
}
.icon-btn:hover{color:var(--primary);background:var(--primary-light);border-color:#D3E5F8}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:10px;background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
  border:1px solid var(--primary);transition:all .18s ease-out;white-space:nowrap
}
.btn-dock:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.dock-toggle{display:none;width:38px;height:38px;place-items:center;border:1px solid var(--line);background:#fff;color:var(--text);border-radius:10px;cursor:pointer}

/* 面包屑 */
.page-main{padding:28px 0 0}
.crumb-bar ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;list-style:none;margin:0;padding:0;font-size:13px;color:var(--text-3)}
.crumb-bar a{color:var(--text-3)}
.crumb-bar a:hover{color:var(--primary)}
.crumb-bar .current{color:var(--text);font-weight:500;max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.crumb-bar .sep{color:#C4D0DD}

/* 文章主体 */
.article-shell{max-width:880px;margin:10px auto 0}
.article-head{padding:8px 0 0}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;
  background:var(--primary-light);color:var(--primary-dark);
  border-radius:var(--r-badge);font-size:12.5px;font-weight:600
}
.article-head h1{
  font-size:clamp(26px,3.4vw,34px);line-height:1.35;font-weight:800;
  color:#16283C;margin:16px 0 14px;letter-spacing:.2px
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 22px;font-size:13.5px;color:var(--text-3);padding-bottom:22px;border-bottom:1px solid var(--line)}
.meta-row i{color:var(--primary);margin-right:5px}
.article-cover{margin:26px 0 30px}
.article-cover img{width:100%;border-radius:var(--r-img);box-shadow:var(--shadow-1)}

.article-body{font-size:17px;line-height:1.9;color:var(--text);max-width:820px;margin:0 auto}
.article-body p{margin:0 0 1.2em}
.article-body h2{
  font-size:24px;line-height:1.45;font-weight:700;color:#16283C;
  margin:38px 0 16px;padding-left:14px;border-left:3px solid var(--primary)
}
.article-body h3{font-size:19px;line-height:1.5;font-weight:700;color:#16283C;margin:28px 0 12px}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:24px 0;padding:18px 22px;background:var(--primary-light);
  border-left:3px solid var(--primary);border-radius:0 var(--r-img) var(--r-img) 0;
  color:var(--text-2);font-size:16.5px
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-img);margin:22px auto;box-shadow:var(--shadow-1)}
.article-body h2+img,.article-body p+img{margin-top:18px}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;overflow:hidden;border-radius:var(--r-img)}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;vertical-align:top}
.article-body thead th{background:var(--primary-light);color:var(--primary-dark);font-weight:600}
.article-body tbody tr:nth-child(even){background:#F8FAFD}
.article-body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--primary-dark)}
.article-body strong{color:#16283C}
.article-body code{background:var(--bg-alt);padding:2px 6px;border-radius:6px;font-size:14.5px}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px auto 0;max-width:820px;padding-top:24px;border-top:1px solid var(--line)}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  background:var(--bg-alt);color:var(--text-2);border-radius:var(--r-badge);font-size:12.5px
}
.tag.is-accent{background:var(--accent-light);color:#B85F1C}

.empty-state{text-align:center;padding:48px 24px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--shadow-1)}
.empty-state i{font-size:32px;color:var(--primary);margin-bottom:14px}
.empty-state h2{font-size:20px;margin:0 0 10px;color:#16283C;border:none;padding:0}
.empty-state p{color:var(--text-2);font-size:15px;margin:0 0 20px}

/* 按钮 */
.btn-main,.btn-ghost,.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all .18s ease-out;white-space:nowrap
}
.btn-main{background:var(--primary);border-color:var(--primary);color:#fff}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:#C9DCF0;color:var(--primary)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px)}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-accent:hover{background:#C6691F;border-color:#C6691F;color:#fff;transform:translateY(-1px)}

/* 收藏分享 */
.share-panel{
  display:flex;align-items:center;justify-content:space-between;gap:22px;
  background:var(--primary-light);border:1px solid #D6E6F8;border-radius:var(--r-card);
  padding:24px 28px;margin:52px 0 0
}
.share-panel h2{font-size:20px;margin:0 0 6px;color:#16283C;font-weight:700}
.share-panel p{margin:0;font-size:14.5px;color:var(--text-2)}
.panel-actions{display:flex;gap:12px;flex-shrink:0}

/* 相关推荐 */
.rel-section{margin:72px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.section-head h2{font-size:24px;margin:0;color:#16283C;font-weight:700}
.link-more{font-size:14.5px;font-weight:600;color:var(--primary);display:inline-flex;align-items:center;gap:6px}
.link-more:hover{gap:10px}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.rel-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--shadow-1);color:inherit;
  transition:transform .18s ease-out,box-shadow .18s ease-out
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);color:inherit}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .rel-body{padding:18px 20px 20px}
.rel-card .rel-tag{display:inline-block;font-size:12px;font-weight:600;color:#B85F1C;background:var(--accent-light);border-radius:var(--r-badge);padding:2px 10px;margin-bottom:10px}
.rel-card h3{font-size:17px;line-height:1.5;margin:0 0 8px;color:#16283C;font-weight:700;transition:color .18s ease-out}
.rel-card:hover h3{color:var(--primary)}
.rel-card p{font-size:14px;line-height:1.7;color:var(--text-2);margin:0 0 14px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rel-card .rel-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);border-top:1px solid var(--line);padding-top:12px}
.rel-card .rel-foot i{color:var(--primary)}

/* 返回入口 */
.back-bar{display:flex;flex-wrap:wrap;gap:14px;margin:56px 0 0;padding-top:30px;border-top:1px solid var(--line)}

/* 页脚 */
.site-footer{background:#16283C;color:#C6D3E1;margin-top:80px;padding:60px 0 0}
.footer-top{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;padding-bottom:40px}
.footer-brand{display:inline-block;font-size:18px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-brand span{color:var(--accent);font-size:14px;font-weight:600;margin-left:4px}
.footer-col p{margin:0;font-size:14px;line-height:1.8;color:#9FB2C6}
.footer-col h4{font-size:15px;color:#fff;margin:0 0 16px;font-weight:700}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:11px}
.footer-col a{font-size:14px;color:#C6D3E1}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:#8397AB
}

@media (max-width:1199.98px){
  .article-shell{max-width:900px}
}
@media (max-width:991.98px){
  .dock-nav{display:none}
  .dock-toggle{display:grid}
  .dock.is-open .dock-nav{
    display:flex;flex-direction:column;align-items:stretch;gap:4px;
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:#fff;border:1px solid #E6EDF6;border-radius:16px;padding:10px;
    box-shadow:var(--shadow-2)
  }
  .dock.is-open .dock-nav a{height:44px;width:100%;padding:0 14px}
  .btn-dock span{display:none}
  .btn-dock{padding:0 14px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .share-panel{flex-direction:column;align-items:flex-start;padding:22px}
  .article-body{font-size:16.5px}
}
@media (max-width:575.98px){
  .wrap{padding:0 16px}
  .dock{width:calc(100% - 24px);margin-top:12px;top:12px;padding:0 10px 0 16px}
  .dock-brand{font-size:16px}
  .dock-brand span{font-size:13px}
  .page-main{padding-top:20px}
  .article-head h1{margin:12px 0 12px}
  .meta-row{gap:6px 16px;font-size:13px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:20px}
  .article-body h3{font-size:17.5px}
  .rel-grid{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .panel-actions{width:100%;flex-direction:column}
  .panel-actions .btn-main,.panel-actions .btn-ghost,.back-bar .btn-ghost{width:100%}
  .back-bar{flex-direction:column}
  .footer-bottom{flex-direction:column}
  .crumb-bar .current{max-width:180px}
}

/* roulang page: category1 */
:root{
  --brand:#1C6DBF;
  --brand-dark:#0F4C86;
  --brand-soft:#E8F1FB;
  --accent:#E07A2F;
  --accent-deep:#B85F1C;
  --accent-soft:#FDF1E6;
  --bg:#F5F8FC;
  --bg-alt:#EEF3F9;
  --card:#FFFFFF;
  --line:#E4EBF3;
  --line-strong:#D8E6F6;
  --text:#22303F;
  --muted:#5B6B7C;
  --faint:#8A98A8;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(16,42,80,.04), 0 6px 18px rgba(16,42,80,.06);
  --sh-2:0 2px 6px rgba(16,42,80,.06), 0 14px 32px rgba(16,42,80,.10);
  --sec:88px;
  --bs-primary:#1C6DBF;
  --bs-primary-rgb:28,109,191;
  --bs-body-color:#22303F;
  --bs-body-bg:#F5F8FC;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:10px;
  --bs-link-color:#1C6DBF;
  --bs-link-hover-color:#0F4C86;
  --bs-font-sans-serif:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{line-height:1.35;font-weight:700;letter-spacing:-.01em;margin:0;}
p{margin:0 0 1em;}
button,input,textarea,select{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- Dock 导航 ---------- */
.dock-shell{position:sticky;top:16px;z-index:1030;padding:0 16px;}
.dock{
  position:relative;
  max-width:1120px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:16px;
  padding:0 14px 0 20px;
  background:var(--card);
  border:1px solid #E6EDF6;
  border-radius:20px;
  box-shadow:var(--sh-1);
  transition:height .2s ease-out,box-shadow .2s ease-out;
}
.dock-shell.is-scrolled .dock{height:56px;box-shadow:var(--sh-2);}
.dock-brand{
  font-size:18px;
  font-weight:700;
  color:var(--text);
  white-space:nowrap;
  letter-spacing:-.02em;
}
.dock-brand span{color:var(--brand);margin-left:2px;font-weight:700;}
.dock-brand:hover{color:var(--text);}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.dock-nav li{list-style:none;}
.dock-nav a{
  display:inline-block;
  padding:9px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--muted);
  white-space:nowrap;
}
.dock-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.dock-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border:0;border-radius:10px;
  background:var(--brand-soft);color:var(--brand);
  cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out;
}
.icon-btn:hover{background:#D6E7F8;color:var(--brand-dark);}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;
  background:var(--brand);
  color:#fff;
  border-radius:10px;
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
}
.btn-dock:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.dock-toggle{
  display:none;
  width:40px;height:40px;
  align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:10px;
  background:#fff;
  color:var(--text);
  cursor:pointer;
}

/* ---------- 页头横幅 ---------- */
.page-hero{
  position:relative;
  margin-top:26px;
  padding:56px 0 52px;
  overflow:hidden;
  background:linear-gradient(180deg,#ffffff 0%,#F1F6FC 100%);
  border-bottom:1px solid var(--line);
}
.page-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16;}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.82) 52%,rgba(232,241,251,.62) 100%);
}
.page-hero .wrap{position:relative;z-index:2;}
.breadcrumb-bar{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--faint);
  margin-bottom:20px;
}
.breadcrumb-bar a{color:var(--muted);}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar em{font-style:normal;color:var(--text);font-weight:600;}
.hero-tag{
  display:inline-block;
  padding:4px 12px;
  border-radius:var(--r-badge);
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:14px;
}
.page-hero h1{
  font-size:clamp(24px,3.4vw,32px);
  margin-bottom:12px;
}
.page-hero .lead{
  max-width:660px;
  font-size:16.5px;
  color:var(--muted);
  margin-bottom:24px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.hero-stats{display:flex;flex-wrap:wrap;gap:34px;}
.stat-num{font-size:22px;font-weight:700;color:var(--accent);line-height:1.2;}
.stat-label{font-size:13px;color:var(--faint);}

/* ---------- 按钮 ---------- */
.btn-main,.btn-line{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .18s ease-out,color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.btn-main{background:var(--brand);border:1px solid var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-line{background:#fff;border:1px solid #C9DDF3;color:var(--brand);}
.btn-line:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:#A9CBEA;}
.btn-block{width:100%;justify-content:center;}
.btn:focus-visible,.btn-main:focus-visible,.btn-line:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

/* ---------- 分类页主体布局 ---------- */
.cat-layout{
  display:grid;
  grid-template-columns:240px minmax(0,1fr);
  gap:40px;
  align-items:start;
  padding:64px 0 0;
}
.side-toc{
  position:sticky;
  top:96px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:18px;
  box-shadow:var(--sh-1);
}
.side-toc h2{font-size:13.5px;color:var(--faint);font-weight:600;letter-spacing:.04em;margin-bottom:12px;}
.side-toc a{
  display:block;
  padding:9px 12px;
  border-radius:10px;
  font-size:14.5px;
  color:var(--muted);
}
.side-toc a:hover{background:var(--brand-soft);color:var(--brand);}
.side-toc a.is-active{
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:600;
  box-shadow:inset 3px 0 0 var(--brand);
}
.cat-section{margin-bottom:56px;scroll-margin-top:110px;}
.section-head{margin-bottom:22px;}
.section-head h2{font-size:24px;}
.section-head p{color:var(--muted);font-size:15.5px;margin:10px 0 0;max-width:660px;}

/* ---------- 条目卡片 ---------- */
.item-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.item-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.item-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--line-strong);}
.item-card h3{font-size:17px;margin:12px 0 8px;}
.item-card p{font-size:14.5px;color:var(--muted);margin:0 0 14px;}
.item-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;}
.item-link i{font-size:12px;transition:transform .18s ease-out;}
.item-card:hover .item-link i{transform:translateX(3px);}
.badge-soft{
  display:inline-block;
  padding:3px 9px;
  border-radius:var(--r-badge);
  background:var(--brand-soft);
  color:var(--brand-dark);
  font-size:12px;
  font-weight:600;
}
.badge-accent{background:var(--accent-soft);color:var(--accent-deep);}

/* ---------- 步骤 ---------- */
.step-list{display:grid;gap:14px;}
.step{
  display:grid;
  grid-template-columns:54px minmax(0,1fr);
  gap:16px;
  align-items:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px 22px;
  box-shadow:var(--sh-1);
  transition:box-shadow .18s ease-out,transform .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.step-num{font-size:20px;font-weight:700;color:var(--accent);}
.step h3{font-size:16.5px;margin-bottom:6px;}
.step p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 设备要点 ---------- */
.device-strip{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.device-cell{padding:24px 22px;border-right:1px solid var(--line);}
.device-cell:last-child{border-right:0;}
.device-cell h3{font-size:16px;display:flex;align-items:center;gap:9px;margin-bottom:8px;}
.device-cell h3 i{color:var(--brand);font-size:15px;}
.device-cell p{font-size:14.5px;color:var(--muted);margin:0;}

/* ---------- 图文与排查清单 ---------- */
.media-row{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:30px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:26px;
  box-shadow:var(--sh-1);
}
.media-row img{border-radius:var(--r-img);width:100%;height:100%;object-fit:cover;aspect-ratio:16/11;}
.order-list li{
  display:flex;
  gap:12px;
  padding:12px 0;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  color:var(--muted);
}
.order-list li:last-child{border-bottom:0;padding-bottom:0;}
.order-list li strong{color:var(--text);font-weight:600;}
.dot-num{
  flex:0 0 26px;
  height:26px;
  border-radius:999px;
  background:var(--accent-soft);
  color:var(--accent-deep);
  font-size:12.5px;
  font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;
  margin-top:3px;
}

/* ---------- 提示卡 ---------- */
.tip-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.tip-card{
  background:var(--bg-alt);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
}
.tip-card h3{font-size:16px;margin:12px 0 8px;}
.tip-card p{font-size:14.5px;color:var(--muted);margin:0;}
.tip-icon{
  width:38px;height:38px;
  border-radius:10px;
  background:#fff;
  color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}

/* ---------- 交叉链接 ---------- */
.cross-panel{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  flex-wrap:wrap;
  padding:30px;
  background:var(--brand-soft);
  border:1px solid #D5E6F8;
  border-radius:20px;
}
.cross-panel h2{font-size:21px;margin-bottom:8px;}
.cross-panel p{font-size:14.5px;color:var(--muted);margin:0;max-width:600px;}

/* ---------- FAQ ---------- */
.accordion-item{
  background:#fff;
  border:1px solid var(--line) !important;
  border-radius:14px !important;
  overflow:hidden;
  margin-bottom:12px;
  box-shadow:var(--sh-1);
}
.accordion-button{
  display:flex;
  align-items:center;
  width:100%;
  padding:18px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  background:#fff;
  border:0;
  border-radius:14px !important;
  box-shadow:none !important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:#F7FAFE;}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"+";
  order:2;
  margin-left:auto;
  font-size:20px;
  font-weight:400;
  line-height:1;
  color:var(--brand);
}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.accordion-body{
  padding:4px 20px 20px;
  font-size:15px;
  color:var(--muted);
  background:#F7FAFE;
  box-shadow:inset 3px 0 0 var(--brand);
}

/* ---------- 表单 / CTA ---------- */
.cta-panel{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.1fr);
  gap:34px;
  align-items:start;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:20px;
  padding:32px;
  box-shadow:var(--sh-1);
}
.cta-panel h2{font-size:24px;margin-bottom:12px;}
.cta-panel .note{font-size:14.5px;color:var(--muted);}
.cta-points li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);margin-bottom:10px;}
.cta-points i{color:var(--accent);margin-top:5px;font-size:13px;}
.form-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.form-field{display:flex;flex-direction:column;}
.form-field.col-span{grid-column:1 / -1;}
.form-label{font-size:13.5px;font-weight:600;color:var(--muted);margin-bottom:6px;}
.form-control{
  width:100%;
  padding:12px 14px;
  font-size:15px;
  color:var(--text);
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-btn);
  box-shadow:none;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.form-control::placeholder{color:#A9B6C4;}
.form-control:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(28,109,191,.14);
  background:#fff;
  outline:none;
}
.form-foot{grid-column:1 / -1;display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.form-tip{font-size:13px;color:var(--faint);}
.form-alert{
  grid-column:1 / -1;
  padding:12px 16px;
  border-radius:var(--r-btn);
  background:var(--brand-soft);
  border:1px solid #CFE3F7;
  color:var(--brand-dark);
  font-size:14.5px;
  font-weight:600;
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:var(--sec);background:#16283C;color:#C7D4E2;padding:64px 0 0;}
.footer-top{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1fr;
  gap:32px;
  padding-bottom:40px;
}
.footer-brand{display:inline-block;font-size:20px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-brand span{font-size:13.5px;font-weight:500;color:#7FB4E8;margin-left:8px;}
.footer-brand:hover{color:#fff;}
.footer-col p{font-size:14px;color:#9DB0C4;line-height:1.8;margin:0;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:14px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14.5px;color:#C7D4E2;}
.footer-col a:hover{color:var(--accent);}
.footer-bottom{
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;
  color:#8397AB;
}

/* ---------- Bootstrap 组件覆盖 ---------- */
.btn{border-radius:var(--r-btn);font-weight:600;}
.btn-primary{
  --bs-btn-bg:#1C6DBF;
  --bs-btn-border-color:#1C6DBF;
  --bs-btn-hover-bg:#0F4C86;
  --bs-btn-hover-border-color:#0F4C86;
  --bs-btn-active-bg:#0F4C86;
  --bs-btn-active-border-color:#0F4C86;
  --bs-btn-focus-shadow-rgb:28,109,191;
}
.card{border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);}
.navbar{background:#fff;border-bottom:1px solid var(--line);}
.badge{font-size:12px;font-weight:600;border-radius:var(--r-badge);padding:3px 9px;}
.badge-primary,.badge.text-bg-primary{background:var(--brand-soft) !important;color:var(--brand-dark) !important;}
.breadcrumb{font-size:13px;margin:0;}
.breadcrumb-item a{color:var(--muted);}
.breadcrumb-item.active{color:var(--text);}
.form-check-input:checked{background-color:var(--brand);border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--sec:72px;}
  .cat-layout{gap:28px;}
}
@media (max-width:1024px){
  .cat-layout{grid-template-columns:minmax(0,1fr);padding-top:48px;}
  .side-toc{position:static;padding:14px;}
  .side-toc h2{display:none;}
  .side-list{display:flex;gap:8px;overflow-x:auto;padding-bottom:2px;}
  .side-list li{flex:0 0 auto;}
  .side-toc a{white-space:nowrap;background:var(--bg-alt);}
  .side-toc a.is-active{box-shadow:none;}
  .footer-top{grid-template-columns:1.4fr 1fr 1fr;}
}
@media (max-width:991px){
  :root{--sec:64px;}
  .dock{height:56px;border-radius:16px;padding:0 10px 0 16px;}
  .dock-brand{font-size:16.5px;}
  .dock-nav{
    position:absolute;
    top:calc(100% + 10px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:10px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:16px;
    box-shadow:var(--sh-2);
  }
  .dock.is-open .dock-nav{display:flex;}
  .dock-nav a{padding:12px 14px;font-size:15px;}
  .btn-dock{display:none;}
  .dock-toggle{display:inline-flex;}
  .media-row{grid-template-columns:minmax(0,1fr);}
  .cta-panel{grid-template-columns:minmax(0,1fr);}
}
@media (max-width:767px){
  :root{--sec:48px;}
  .wrap{padding:0 16px;}
  .page-hero{padding:40px 0 36px;margin-top:18px;}
  .page-hero .lead{font-size:15.5px;}
  .hero-stats{gap:22px;}
  .stat-num{font-size:19px;}
  .item-grid{grid-template-columns:minmax(0,1fr);}
  .device-strip{grid-template-columns:minmax(0,1fr);}
  .device-cell{border-right:0;border-bottom:1px solid var(--line);}
  .device-cell:last-child{border-bottom:0;}
  .tip-grid{grid-template-columns:minmax(0,1fr);}
  .section-head h2{font-size:21px;}
  .cta-panel{padding:24px;}
  .footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .form-grid{grid-template-columns:minmax(0,1fr);}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-line{justify-content:center;}
  .btn-main,.btn-line{width:100%;justify-content:center;}
  .footer-top{grid-template-columns:minmax(0,1fr);}
  .cross-panel{padding:22px;}
  .step{grid-template-columns:40px minmax(0,1fr);padding:18px;}
  .step-num{font-size:17px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --bs-primary:#1C6DBF;
  --bs-primary-rgb:28,109,191;
  --bs-body-color:#22303F;
  --bs-body-bg:#F5F8FC;
  --primary:#1C6DBF;
  --primary-dark:#0F4C86;
  --primary-soft:#E8F1FB;
  --accent:#E07A2F;
  --accent-soft:#FDF1E6;
  --bg:#F5F8FC;
  --bg-alt:#EEF3F9;
  --card:#FFFFFF;
  --line:#E4EBF3;
  --line-soft:#EDF3F9;
  --text:#22303F;
  --muted:#5B6B7C;
  --weak:#8A98A8;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --radius-badge:6px;
  --shadow-1:0 1px 2px rgba(16,42,80,.04), 0 6px 18px rgba(16,42,80,.06);
  --shadow-2:0 2px 6px rgba(16,42,80,.06), 0 14px 32px rgba(16,42,80,.10);
  --font: -apple-system, "PingFang SC", "HarmonyOS Sans SC", "Microsoft YaHei", system-ui, sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out}
a:hover{color:var(--primary-dark)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.35;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px}

.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:72px 0}
.section-alt{background:var(--bg-alt)}
.section-head{max-width:760px;margin-bottom:26px}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent);
  background:var(--accent-soft);border-radius:var(--radius-badge);
  padding:5px 11px;margin-bottom:14px;
}
.section-head h2{font-size:25px;margin-bottom:10px}
.section-head p{color:var(--muted);font-size:15.5px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;top:16px;z-index:1030;
  display:flex;align-items:center;gap:16px;
  width:calc(100% - 32px);max-width:1120px;
  min-height:64px;margin:16px auto 0;padding:10px 16px 10px 20px;
  background:#fff;border:1px solid #E6EDF6;border-radius:20px;
  box-shadow:var(--shadow-1);
  transition:min-height .2s ease-out, box-shadow .2s ease-out, padding .2s ease-out;
}
.dock.scrolled{min-height:56px;padding-top:7px;padding-bottom:7px;box-shadow:var(--shadow-2)}
.dock-brand{
  display:inline-flex;flex-direction:column;line-height:1.1;
  font-size:18px;font-weight:700;color:var(--text);letter-spacing:-.02em;
}
.dock-brand span{font-size:11.5px;font-weight:600;color:var(--primary);letter-spacing:.08em;margin-top:2px}
.dock-brand:hover{color:var(--text)}
.dock-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.dock-nav a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--muted);white-space:nowrap;
  transition:background .18s ease-out,color .18s ease-out;
}
.dock-nav a:hover{background:var(--primary-soft);color:var(--primary)}
.dock-nav a.active{background:var(--primary-soft);color:var(--primary);font-weight:600}
.dock-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--muted);cursor:pointer;transition:all .18s ease-out;
}
.icon-btn:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.btn-dock{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-btn);
  background:var(--primary);color:#fff;font-size:14.5px;font-weight:600;
  border:1px solid var(--primary);
  transition:all .18s ease-out;
}
.btn-dock:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}
.dock-toggle{
  display:none;width:40px;height:40px;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);border-radius:12px;
  color:var(--text);cursor:pointer;font-size:16px;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;margin-top:24px;border-radius:24px;overflow:hidden;
  background:#0F4C86 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(96deg, rgba(9,34,62,.9) 0%, rgba(15,76,134,.76) 48%, rgba(15,76,134,.34) 100%);
}
.hero-inner{position:relative;z-index:2;max-width:760px;padding:64px 8px 60px;color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 12px;border-radius:999px;margin-bottom:18px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.hero-inner h1{font-size:clamp(24px,3.2vw,32px);color:#fff;margin-bottom:14px}
.hero-inner .lede{font-size:16.5px;color:rgba(255,255,255,.9);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.btn-main,.btn-line,.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;cursor:pointer;border:1px solid transparent;
  transition:all .18s ease-out;
}
.btn-main{background:var(--accent);border-color:var(--accent);color:#fff}
.btn-main:hover{background:#C9681F;border-color:#C9681F;color:#fff;transform:translateY(-1px)}
.btn-line{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn-line:hover{background:#E8F1FB;border-color:#E8F1FB;color:var(--primary-dark)}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--primary)}
.btn-ghost:hover{background:var(--primary-soft);border-color:var(--primary-soft);color:var(--primary-dark);transform:translateY(-1px)}
.hero-metrics{
  display:flex;flex-wrap:wrap;gap:28px;margin-top:34px;
  padding-top:22px;border-top:1px solid rgba(255,255,255,.22);
}
.hero-metrics div{min-width:120px}
.hero-metrics strong{display:block;font-size:24px;color:#FFD9B4;font-weight:700;line-height:1.2}
.hero-metrics span{font-size:13px;color:rgba(255,255,255,.82)}

/* ---------- 胶囊目录条 ---------- */
.chip-bar{
  display:flex;gap:10px;overflow-x:auto;
  padding:18px 2px 8px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:thin;
}
.chip-bar::-webkit-scrollbar{height:5px}
.chip-bar::-webkit-scrollbar-thumb{background:#CBD9E8;border-radius:999px}
.chip{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:all .18s ease-out;
}
.chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft)}
.chip i{margin-right:6px;color:var(--accent)}

/* ---------- 卡片 ---------- */
.info-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E4F3}
.info-card .thumb{width:100%;aspect-ratio:16/10;object-fit:cover;border-bottom:1px solid var(--line-soft)}
.info-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;align-self:flex-start;
  padding:4px 10px;border-radius:var(--radius-badge);
  font-size:12px;font-weight:600;background:var(--primary-soft);color:var(--primary);
}
.badge-warm{background:var(--accent-soft);color:var(--accent)}
.info-card h3{font-size:17.5px}
.info-card p{font-size:14.8px;color:var(--muted)}
.card-foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line-soft);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13.5px;color:var(--weak);
}
.card-foot a{font-weight:600;display:inline-flex;align-items:center;gap:6px}
.card-foot a:hover{gap:9px}

/* ---------- 对照清单条 ---------- */
.compare-bar{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:0;overflow:hidden;
}
.compare-inner{display:grid;grid-template-columns:1fr 1fr}
.compare-col{padding:26px 28px}
.compare-col + .compare-col{border-left:1px solid var(--line-soft);background:#FBFDFF}
.compare-col h3{font-size:16.5px;display:flex;align-items:center;gap:9px;margin-bottom:14px}
.compare-col h3 i{font-size:15px}
.compare-col.good h3 i{color:#2E9E6B}
.compare-col.warn h3 i{color:var(--accent)}
.compare-col ul li{
  position:relative;padding-left:22px;margin-bottom:10px;
  font-size:14.8px;color:var(--muted);
}
.compare-col ul li::before{
  content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:2px;
}
.compare-col.good ul li::before{background:#2E9E6B}
.compare-col.warn ul li::before{background:var(--accent)}
.compare-strip{
  display:flex;flex-wrap:wrap;gap:10px 24px;align-items:center;
  padding:16px 28px;background:var(--primary-soft);
  border-top:1px solid var(--line-soft);
  font-size:14px;color:var(--primary-dark);
}
.compare-strip strong{color:var(--primary-dark)}
.compare-strip span{display:inline-flex;align-items:center;gap:7px}

/* ---------- 处理顺序 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);padding:24px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out, box-shadow .18s ease-out;
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.step .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  background:var(--accent-soft);color:var(--accent);
  font-weight:700;font-size:15px;
}
.step h3{font-size:16.5px;margin-bottom:8px}
.step p{font-size:14.6px;color:var(--muted)}

/* ---------- 自查清单 ---------- */
.check-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:26px 26px 22px;
}
.check-list li{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 0;border-bottom:1px dashed var(--line);
  font-size:15px;color:var(--muted);
}
.check-list li:last-child{border-bottom:0}
.check-list li i{
  flex:0 0 auto;width:22px;height:22px;margin-top:3px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:6px;background:var(--primary-soft);color:var(--primary);font-size:11.5px;
}
.check-list li strong{color:var(--text);font-weight:600}
.side-note{
  background:var(--primary-soft);border:1px solid #D3E4F7;border-radius:var(--radius-card);
  padding:24px 24px 22px;height:100%;
}
.side-note h3{font-size:17px;margin-bottom:10px}
.side-note p{font-size:14.8px;color:var(--muted);margin-bottom:14px}
.side-note a{font-weight:600;display:inline-flex;align-items:center;gap:6px}

/* ---------- 表单 ---------- */
.form-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);padding:28px;
}
.form-panel h2{font-size:22px;margin-bottom:8px}
.form-panel .hint{font-size:14.5px;color:var(--muted);margin-bottom:20px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:7px}
.field.full{grid-column:1 / -1}
.field label{font-size:14px;font-weight:600;color:var(--text)}
.field input,.field textarea{
  width:100%;padding:12px 14px;font-size:15px;font-family:inherit;color:var(--text);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-btn);
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.field textarea{min-height:110px;resize:vertical}
.field input:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(28,109,191,.14);
}
.form-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:20px}
.form-actions .tip{font-size:13px;color:var(--weak)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-1);overflow:hidden;
  transition:border-color .18s ease-out, box-shadow .18s ease-out;
}
.faq-item.open{border-color:#CFE2F5;box-shadow:var(--shadow-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;background:none;border:0;text-align:left;cursor:pointer;
  font-size:16.5px;font-weight:600;color:var(--text);
}
.faq-item.open .faq-q{color:var(--primary-dark)}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:12px;font-weight:700;
}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .26s ease-out;
}
.faq-a .inner{
  margin:0 14px 14px;padding:16px 18px;
  background:var(--bg-alt);border-left:3px solid var(--primary);
  border-radius:var(--radius-btn);
  font-size:14.9px;color:var(--muted);
}

/* ---------- 互链 + CTA ---------- */
.link-cards{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.link-card{
  display:flex;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:20px 22px;box-shadow:var(--shadow-1);
  transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out;
}
.link-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:#D5E4F3;color:inherit}
.link-card .ic{
  flex:0 0 auto;width:48px;height:48px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--primary-soft);color:var(--primary);font-size:19px;
}
.link-card .ic.warm{background:var(--accent-soft);color:var(--accent)}
.link-card h3{font-size:16.5px;margin-bottom:4px;color:var(--text)}
.link-card p{font-size:14px;color:var(--muted)}
.link-card .arrow{margin-left:auto;color:var(--weak);font-size:15px}
.link-card:hover .arrow{color:var(--primary)}

.cta-strip{
  background:var(--primary-soft);border:1px solid #D3E4F7;border-radius:var(--radius-card);
  padding:28px 30px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:20px;
}
.cta-strip h3{font-size:19px;margin-bottom:6px}
.cta-strip p{font-size:14.5px;color:var(--muted)}
.cta-strip .btns{display:flex;flex-wrap:wrap;gap:12px}
.btn-solid{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 20px;border-radius:var(--radius-btn);
  background:var(--primary);border:1px solid var(--primary);color:#fff;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:all .18s ease-out;
}
.btn-solid:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px)}

/* ---------- 页脚 ---------- */
.site-footer{background:#16283C;color:#C7D4E2;margin-top:24px;padding:60px 0 26px}
.footer-top{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:34px}
.footer-brand{
  display:inline-flex;flex-direction:column;line-height:1.15;
  font-size:19px;font-weight:700;color:#fff;margin-bottom:14px;
}
.footer-brand span{font-size:11.5px;font-weight:600;color:#8FB9E3;letter-spacing:.08em;margin-top:3px}
.footer-brand:hover{color:#fff}
.footer-col p{font-size:14px;color:#9DB1C6;line-height:1.85}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#9DB1C6}
.footer-col ul li a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:38px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:#8397AB;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .steps{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .dock{flex-wrap:wrap;top:10px;margin:10px auto 0;padding:10px 14px;border-radius:16px;min-height:56px}
  .dock-nav{
    display:none;order:3;flex-direction:column;align-items:stretch;
    width:100%;gap:2px;margin:8px 0 2px;
  }
  .dock.open .dock-nav{display:flex}
  .dock-nav a{padding:10px 12px;border-radius:10px}
  .dock-toggle{display:inline-flex}
  .btn-dock{display:none}
  .section{padding:64px 0}
  .hero-inner{padding:52px 6px 48px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
  .compare-inner{grid-template-columns:1fr}
  .compare-col + .compare-col{border-left:0;border-top:1px solid var(--line-soft)}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .section-head h2{font-size:22px}
  .steps{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
  .link-cards{grid-template-columns:1fr}
  .hero-metrics{gap:20px 28px}
  .cta-strip{padding:24px 20px}
  .form-panel{padding:22px}
  .site-footer{padding:48px 0 22px}
}
@media (max-width:520px){
  .section{padding:48px 0}
  .page-hero{border-radius:18px}
  .hero-inner h1{font-size:23px}
  .hero-inner .lede{font-size:15.5px}
  .btn-main,.btn-line,.btn-ghost{width:100%;justify-content:center}
  .footer-top{grid-template-columns:1fr}
  .hero-metrics strong{font-size:21px}
  .compare-col{padding:22px 20px}
  .compare-strip{padding:14px 20px}
}