/* roulang page: index */
:root{
  --brand:#0E6B8C;
  --brand-dark:#08475E;
  --brand-soft:#E6F2F7;
  --accent:#F0834A;
  --ink:#16232B;
  --ink-2:#4C606B;
  --line:#DEE8EC;
  --bg:#FAFCFD;
  --bg-soft:#F2F7F9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 12px 32px rgba(14,60,80,.10);
  --sh-3:0 16px 40px rgba(14,60,80,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,figure,ul,ol,dl,dd{margin:0}
ul,ol{padding:0;list-style:none}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
img{max-width:100%;display:block;border:0}
button{font-family:inherit;border:0;background:none;cursor:pointer}
input,select,textarea{font-family:inherit;font-size:16px}
::selection{background:var(--brand-soft);color:var(--brand-dark)}
:focus-visible{outline:2px solid var(--brand);outline-offset:3px;border-radius:6px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:680px;margin-bottom:48px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.06em;color:var(--brand);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
  font-weight:600;
}
h1,h2,h3,h4{color:var(--ink);font-weight:700;letter-spacing:0}
h1{font-size:clamp(28px,4vw,46px);line-height:1.28}
h2{font-size:clamp(22px,3vw,32px);line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
.section-head p{margin-top:14px;font-size:16px;color:var(--ink-2);max-width:600px}

/* ---------- Dock 导航 ---------- */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,92vw);height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 14px 0 20px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid rgba(222,232,236,.9);
  border-radius:999px;
  box-shadow:var(--sh-2);
  z-index:1000;
  transition:height .22s ease,box-shadow .22s ease,background .22s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-3);background:rgba(255,255,255,.94)}
.logo{display:flex;align-items:center;gap:10px;flex:none;text-decoration:none}
.logo:hover{color:inherit}
.logo-mark{
  width:30px;height:30px;border-radius:10px;flex:none;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;line-height:1;
  box-shadow:0 4px 10px rgba(14,107,140,.24);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:16px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-2);letter-spacing:.04em;margin-top:2px}
.dock-nav{display:flex;align-items:center;gap:2px;margin:0 auto}
.dock-nav a{
  position:relative;display:inline-flex;align-items:center;
  padding:8px 14px;font-size:15px;color:var(--ink-2);
  border-radius:999px;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.dock-nav a:hover{color:var(--brand);background:var(--brand-soft)}
.dock-nav a.active{color:var(--brand);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:2px;width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-actions{display:flex;align-items:center;gap:10px;flex:none}
.icon-btn{
  width:40px;height:40px;border-radius:999px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-2);background:transparent;
  transition:background .18s ease,color .18s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand)}
.dock-toggle{display:none}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;text-decoration:none;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 6px 16px rgba(14,107,140,.20)}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-1px)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(240,131,74,.24)}
.btn-accent:hover{background:#dd7038;color:#fff;transform:translateY(-1px)}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand)}
.link-more i{transition:transform .18s ease;font-size:12px}
.link-more:hover i{transform:translateX(3px)}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  padding:140px 0 76px;
  background:
    radial-gradient(620px 320px at 82% 12%, rgba(14,107,140,.07), transparent 70%),
    radial-gradient(480px 260px at 8% 72%, rgba(240,131,74,.06), transparent 70%),
    var(--bg);
  overflow:hidden;
}
.hero-grid{display:grid;grid-template-columns:1.05fr .85fr;gap:56px;align-items:center}
.hero-copy{max-width:560px}
.hero-copy h1{margin-bottom:18px}
.hero-copy h1 span{color:var(--brand)}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:480px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-points{display:flex;flex-wrap:wrap;gap:22px;margin-top:34px;padding-top:24px;border-top:1px solid var(--line)}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2)}
.hero-points i{color:var(--brand);font-size:13px}
.hero-figure{position:relative;border-radius:20px;overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/10;background:var(--brand-soft)}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--brand-dark);font-size:12.5px;font-weight:600;
  box-shadow:var(--sh-1);
}
.hero-badge i{color:var(--brand);font-size:12px}

/* ---------- 分类入口 ---------- */
.channel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.channel-card{
  display:block;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.channel-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BBDCE8}
.channel-thumb{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft)}
.channel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.channel-card:hover .channel-thumb img{transform:scale(1.03)}
.channel-body{padding:22px 22px 24px}
.channel-body h3{font-size:18px;margin-bottom:8px;color:var(--ink)}
.channel-body p{font-size:14px;line-height:1.75;color:var(--ink-2)}
.channel-body .link-more{margin-top:14px}

/* ---------- 卖点 ---------- */
.value-list{display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:8px}
.value-item{padding:0 26px;border-left:1px solid var(--line)}
.value-item:first-child{padding-left:0;border-left:0}
.value-num{
  display:block;font-size:13px;font-weight:700;color:var(--brand);
  letter-spacing:.08em;margin-bottom:12px;font-variant-numeric:tabular-nums;
}
.value-item h3{font-size:17px;margin-bottom:10px}
.value-item p{font-size:14px;line-height:1.8;color:var(--ink-2)}

/* ---------- 演示 ---------- */
.demo-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:center}
.device{
  position:relative;max-width:320px;margin:0 auto;
  border-radius:32px;padding:12px;
  background:#fff;border:1px solid var(--line);
  box-shadow:var(--sh-2);
}
.device img{border-radius:22px;aspect-ratio:9/17;object-fit:cover;width:100%}
.device::before{
  content:"";position:absolute;top:22px;left:50%;transform:translateX(-50%);
  width:64px;height:6px;border-radius:999px;background:rgba(22,35,43,.18);
}
.steps{counter-reset:step}
.step{
  position:relative;padding:0 0 30px 62px;
  border-left:1px solid var(--line);margin-left:18px;
}
.step:last-child{border-left-color:transparent;padding-bottom:0}
.step::before{
  counter-increment:step;content:counter(step);
  position:absolute;left:-18px;top:-2px;
  width:36px;height:36px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:700;
}
.step h3{font-size:17px;margin-bottom:6px}
.step p{font-size:14.5px;line-height:1.8;color:var(--ink-2)}

/* ---------- 证据 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-bottom:48px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--sh-1);
}
.stat-num{
  font-size:clamp(26px,3vw,36px);font-weight:700;color:var(--brand-dark);
  line-height:1.2;font-variant-numeric:tabular-nums;
}
.stat-label{font-size:13.5px;color:var(--ink-2);margin-top:8px}
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{
  background:#fff;border-radius:var(--radius-card);border:1px solid var(--line);
  padding:24px;position:relative;
}
.voice::before{
  content:"“";position:absolute;top:6px;right:20px;
  font-size:48px;line-height:1;color:var(--brand-soft);font-family:Georgia,serif;
}
.voice p{font-size:14.5px;line-height:1.85;color:var(--ink-2);position:relative;z-index:1}
.voice span{display:block;margin-top:16px;font-size:13px;color:#7C919C}

/* ---------- 方案对照 ---------- */
.plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:stretch}
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:32px 30px;box-shadow:var(--sh-1);
}
.plan-featured{border:1px solid var(--brand);box-shadow:var(--sh-2);position:relative}
.plan-tag{
  position:absolute;top:-13px;left:30px;
  background:var(--accent);color:#fff;font-size:12px;font-weight:600;
  padding:5px 14px;border-radius:999px;letter-spacing:.02em;
}
.plan h3{font-size:20px;margin-bottom:6px}
.plan .plan-desc{font-size:14px;color:var(--ink-2);margin-bottom:22px}
.plan ul{margin-bottom:26px}
.plan ul li{
  position:relative;padding-left:26px;margin-bottom:12px;
  font-size:14.5px;line-height:1.7;color:var(--ink-2);
}
.plan ul li::before{
  content:"";position:absolute;left:2px;top:9px;
  width:8px;height:8px;border-radius:3px;background:var(--brand-soft);border:1.5px solid var(--brand);
}
.plan-featured ul li::before{background:var(--brand);border-color:var(--brand)}
.plan .btn{width:100%}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:14px;
  margin-bottom:10px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item.open{border-color:#BBDCE8;box-shadow:var(--sh-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand)}
.faq-q .faq-icon{
  flex:none;width:26px;height:26px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;transition:transform .25s ease,background .18s ease;
}
.faq-item.open .faq-icon{transform:rotate(180deg);background:var(--brand);color:#fff}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease}
.faq-item.open .faq-a{grid-template-rows:1fr}
.faq-a-inner{overflow:hidden}
.faq-a p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--ink-2)}

/* ---------- 最新信息 ---------- */
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#BBDCE8}
.badge{
  align-self:flex-start;
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand-dark);
  font-size:12px;font-weight:600;letter-spacing:.02em;margin-bottom:14px;
}
.news-title{font-size:17px;line-height:1.55;font-weight:600;margin-bottom:10px}
.news-title a{color:var(--ink)}
.news-title a:hover{color:var(--brand)}
.news-desc{
  font-size:14px;line-height:1.75;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:18px;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:#7C919C;
}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;color:var(--ink-2);font-size:15px;
}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--brand-soft);padding:72px 0}
.cta-inner{text-align:center;max-width:660px;margin:0 auto}
.cta-inner h2{margin-bottom:14px}
.cta-inner p{font-size:16px;color:var(--ink-2);margin-bottom:28px}
.cta-actions{display:flex;justify-content:center;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-soft);border-top:1px solid var(--line);padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:280px}
.footer-col h4{font-size:14px;color:var(--ink);margin-bottom:16px;font-weight:700}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:var(--ink-2)}
.footer-col ul li a:hover{color:var(--brand)}
.footer-contact li{font-size:14px;color:var(--ink-2);margin-bottom:10px;display:flex;align-items:flex-start;gap:9px}
.footer-contact i{color:var(--brand);font-size:13px;margin-top:6px}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C919C;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:900;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 26px;border-radius:999px;
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .25s ease,transform .25s ease,background .18s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{background:#dd7038;color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero-grid{gap:40px}
}
@media (max-width:991px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .dock{padding:0 10px 0 16px;gap:10px}
  .dock-toggle{display:inline-flex}
  .dock-nav{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:20px;
    padding:12px;box-shadow:var(--sh-2);
    display:none;
  }
  .dock.open .dock-nav{display:flex}
  .dock-nav a{font-size:17px;line-height:1.6;padding:13px 16px;border-radius:14px}
  .dock-nav a.active::after{display:none}
  .dock-nav a.active{background:var(--brand-soft)}
  .dock-actions .btn{display:none}
  .hero{padding:120px 0 56px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-copy{max-width:none}
  .hero-figure{order:-1;aspect-ratio:16/9}
  .channel-grid{grid-template-columns:1fr 1fr}
  .value-list{grid-template-columns:1fr 1fr;gap:28px 0}
  .value-item:nth-child(odd){padding-left:0;border-left:0}
  .demo-grid{grid-template-columns:1fr;gap:36px}
  .device{max-width:280px}
  .stats{grid-template-columns:1fr 1fr}
  .voices{grid-template-columns:1fr}
  .plan-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 18px}
  .section{padding:48px 0}
  .section-head{margin-bottom:32px}
  .hero{padding:104px 0 44px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .hero-points{gap:14px 20px}
  .channel-grid{grid-template-columns:1fr}
  .value-list{grid-template-columns:1fr}
  .value-item{padding-left:20px !important;border-left:1px solid var(--line) !important;padding-bottom:0}
  .value-item:first-child{padding-left:20px !important}
  .stats{grid-template-columns:1fr 1fr;gap:16px}
  .stat{padding:20px 18px}
  .plan{padding:26px 22px}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:52px 0}
  .cta-actions .btn{width:100%}
  .float-cta{
    left:0;right:0;bottom:0;height:56px;border-radius:0;
    justify-content:center;font-size:16px;
    box-shadow:0 -6px 20px rgba(14,60,80,.14);
  }
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;padding-bottom:76px}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a p{padding:0 18px 18px;font-size:14.5px}
}
@media (max-width:400px){
  .logo-text strong{font-size:15px}
  .logo-text em{font-size:10px}
}

/* roulang page: category1 */
:root{
  --primary:#0E6B8C;
  --primary-dark:#08475E;
  --primary-light:#E6F2F7;
  --primary-soft:#F2F7F9;
  --accent:#F0834A;
  --accent-light:#FDEDE4;
  --ink:#16232B;
  --ink-2:#4C606B;
  --line:#DEE8EC;
  --bg:#FAFCFD;
  --white:#FFFFFF;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 12px 32px rgba(14,60,80,.10);
  --sh-3:0 16px 40px rgba(14,60,80,.16);
  --container:1180px;
  --ease:180ms ease;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;}

body{
  margin:0;
  padding:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
}

h1,h2,h3,h4,h5,h6,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
a{color:inherit;text-decoration:none;transition:color var(--ease);}
a:hover,a:focus{color:var(--primary);}
img{max-width:100%;display:block;border:0;}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{color:var(--ink);font-weight:700;}

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

.section{padding:88px 0;}
.section-soft{background:var(--primary-soft);}
.section-tight{padding:64px 0;}

.section-head{max-width:720px;margin:0 auto 48px;text-align:center;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.35;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-2);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:var(--primary-light);
  color:var(--primary-dark);
  font-size:12px;
  letter-spacing:.02em;
  font-weight:600;
  margin-bottom:18px;
}
.eyebrow i{font-size:12px;}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;
  top:16px;
  z-index:60;
  width:min(1120px,92vw);
  margin:16px auto 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  height:64px;
  padding:0 10px 0 16px;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
  border:1px solid rgba(222,232,236,.9);
  border-radius:999px;
  box-shadow:var(--sh-2);
  transition:height var(--ease),box-shadow var(--ease);
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh-3);}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.logo-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:flex;
  align-items:center;
  justify-content:center;
  flex-shrink:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;}
.logo-text strong{font-size:15px;color:var(--ink);font-weight:700;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;color:var(--ink-2);letter-spacing:.04em;}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1;
  justify-content:center;
}
.dock-nav a{
  position:relative;
  padding:8px 14px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:999px;
  white-space:nowrap;
  transition:color var(--ease),background var(--ease);
}
.dock-nav a:hover{color:var(--primary);background:var(--primary-light);}
.dock-nav a.active{color:var(--primary);font-weight:600;}
.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--primary);
}

.dock-actions{display:flex;align-items:center;gap:8px;flex-shrink:0;}
.icon-btn{
  width:40px;
  height:40px;
  border-radius:999px;
  border:1px solid transparent;
  background:transparent;
  color:var(--ink-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.icon-btn:hover{background:var(--primary-light);color:var(--primary);}
.icon-btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border-radius:999px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform var(--ease),background var(--ease),box-shadow var(--ease),color var(--ease),border-color var(--ease);
  white-space:nowrap;
}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px;}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(14,107,140,.22);}
.btn-primary:hover{background:#0B5C79;color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);transform:translateY(-1px);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-block{width:100%;}

.dock-toggle{display:none;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(9,32,42,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity var(--ease),visibility var(--ease);
  z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

.dock-drawer{
  position:fixed;
  top:0;
  right:0;
  bottom:0;
  width:min(330px,86vw);
  background:#fff;
  box-shadow:var(--sh-3);
  transform:translateX(102%);
  transition:transform 220ms ease;
  z-index:100;
  display:flex;
  flex-direction:column;
  padding:22px 20px 26px;
}
.dock-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(--line);
  margin-bottom:8px;
}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:17px;
  line-height:52px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--primary);font-weight:600;}
.drawer-nav a i{font-size:12px;color:var(--ink-2);}
.drawer-foot{margin-top:auto;padding-top:22px;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:96px 0 80px;
  background:var(--bg);
}
.cat-hero::before{
  content:"";
  position:absolute;
  width:640px;
  height:640px;
  right:-180px;
  top:-260px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(14,107,140,.10) 0%,rgba(14,107,140,0) 70%);
  pointer-events:none;
}
.cat-hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.cat-hero-text{max-width:560px;}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  letter-spacing:0;
  margin-bottom:18px;
}
.cat-hero h1 span{color:var(--primary);}
.cat-hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:14px;
}
.cat-hero-desc{
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
  margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;}

.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:20px;
  box-shadow:var(--sh-2);
}
.hero-badge{
  position:absolute;
  left:18px;
  bottom:18px;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  box-shadow:var(--sh-1);
}
.hero-badge i{color:var(--primary);font-size:12px;}

.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--ink-2);
  margin-bottom:22px;
}
.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--primary);}
.breadcrumb .sep{color:#A9BCC5;}
.breadcrumb .current{color:var(--primary-dark);font-weight:600;}

/* ---------- 要点横条 ---------- */
.fact-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:0;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.fact-item{
  padding:24px 22px;
  border-left:1px solid var(--line);
}
.fact-item:first-child{border-left:0;}
.fact-item strong{
  display:block;
  font-size:22px;
  color:var(--primary-dark);
  line-height:1.3;
  margin-bottom:6px;
  font-weight:700;
}
.fact-item span{font-size:13.5px;color:var(--ink-2);line-height:1.7;display:block;}

/* ---------- 图文交错 ---------- */
.zig-item{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  margin-bottom:64px;
}
.zig-item:last-child{margin-bottom:0;}
.zig-item.reverse .zig-media{order:2;}
.zig-media img{
  width:100%;
  aspect-ratio:16/10;
  object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--sh-2);
  transition:transform 220ms ease;
}
.zig-media img:hover{transform:translateY(-3px);}
.zig-body h2{
  font-size:clamp(21px,2.6vw,27px);
  line-height:1.4;
  margin-bottom:8px;
}
.zig-index{
  display:inline-block;
  font-size:13px;
  font-weight:700;
  color:var(--accent);
  letter-spacing:.06em;
  margin-bottom:10px;
}
.zig-body p{
  font-size:15.5px;
  line-height:1.85;
  color:var(--ink-2);
  margin-bottom:12px;
}
.zig-point{
  display:flex;
  align-items:flex-start;
  gap:10px;
  margin-top:18px;
  padding:14px 16px;
  background:var(--primary-light);
  border-radius:12px;
  font-size:14px;
  line-height:1.7;
  color:var(--primary-dark);
}
.zig-point i{color:var(--primary);margin-top:4px;font-size:13px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:840px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:10px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.is-open{border-color:rgba(14,107,140,.45);box-shadow:var(--sh-2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 22px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.6;
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px;}
.faq-q i{
  color:var(--primary);
  font-size:14px;
  transition:transform var(--ease);
  flex-shrink:0;
}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height 260ms ease;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
  border-top:1px solid var(--line);
  padding-top:16px;
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--primary-light) 0%,#F7FBFC 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
  text-align:center;
}
.cta-band h2{
  font-size:clamp(22px,3vw,30px);
  line-height:1.35;
  margin-bottom:12px;
}
.cta-band p{
  font-size:15.5px;
  color:var(--ink-2);
  max-width:640px;
  margin:0 auto 26px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--primary-soft);
  border-top:1px solid var(--line);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:300px;
}
.footer-col h4{
  font-size:15px;
  color:var(--ink);
  margin-bottom:16px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:14px;
  color:var(--ink-2);
}
.footer-col ul a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  color:var(--ink-2);
  line-height:1.7;
}
.footer-contact i{color:var(--primary);margin-top:5px;font-size:13px;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  font-size:13px;
  color:#6B818C;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:32px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  gap:10px;
  height:50px;
  padding:0 24px;
  border-radius:999px;
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:0 16px 40px rgba(240,131,74,.32);
  opacity:0;
  visibility:hidden;
  transform:translateY(14px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease),background var(--ease);
}
.float-cta.is-show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#E2743A;color:#fff;}
.float-cta:focus-visible{outline:2px solid var(--primary);outline-offset:3px;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .section{padding:64px 0;}
  .cat-hero{padding:64px 0 56px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:36px;}
  .cat-hero-text{max-width:100%;}
  .zig-item{grid-template-columns:1fr;gap:28px;margin-bottom:48px;}
  .zig-item.reverse .zig-media{order:0;}
  .fact-strip{grid-template-columns:repeat(2,1fr);}
  .fact-item:nth-child(odd){border-left:0;}
  .fact-item:nth-child(n+3){border-top:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media screen and (max-width:991px){
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn-sm{display:none;}
}

@media screen and (max-width:767px){
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:32px;}
  .dock{top:10px;margin-top:10px;height:58px;padding:0 8px 0 12px;}
  .logo-text strong{font-size:14px;}
  .logo-text em{font-size:10px;}
  .cat-hero h1{font-size:clamp(26px,7vw,34px);}
  .cat-hero-lead{font-size:16px;}
  .hero-actions .btn{flex:1 1 auto;}
  .fact-strip{grid-template-columns:1fr;}
  .fact-item{border-left:0;border-top:1px solid var(--line);padding:18px 20px;}
  .fact-item:first-child{border-top:0;}
  .fact-item strong{font-size:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .float-cta{
    left:12px;
    right:12px;
    bottom:12px;
    width:calc(100% - 24px);
    justify-content:center;
    height:48px;
    font-size:15px;
  }
  .cta-band{padding:48px 0;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:14px 18px 18px;}
}

@media screen and (max-width:400px){
  .logo-text em{display:none;}
}

/* roulang page: article */
:root{
  --primary:#0E6B8C;
  --primary-dark:#08475E;
  --primary-light:#E6F2F7;
  --accent:#F0834A;
  --ink:#16232B;
  --ink-2:#4C606B;
  --ink-3:#8298A2;
  --line:#DEE8EC;
  --bg:#FAFCFD;
  --bg-soft:#F2F7F9;
  --radius-card:16px;
  --radius-img:14px;
  --radius-input:10px;
  --radius-pill:999px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 12px 32px rgba(14,60,80,.10);
  --sh-3:0 16px 40px rgba(14,60,80,.16);
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease}
a:hover{color:var(--primary-dark)}
button{font-family:inherit}
h1,h2,h3,h4,h5,h6{color:var(--ink);margin:0;font-weight:700;line-height:1.35}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
::selection{background:rgba(14,107,140,.16);color:var(--ink)}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}

.skip-link{position:absolute;left:-9999px;top:0;background:var(--primary);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:999}
.skip-link:focus{left:0;color:#fff}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
main{padding-top:112px}

/* ============ Dock 导航 ============ */
.dock{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1120px,92vw);
  height:64px;
  z-index:200;
  display:flex;align-items:center;gap:18px;
  padding:0 12px 0 16px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(222,232,236,.92);
  border-radius:var(--radius-pill);
  box-shadow:var(--sh-2);
  transition:height .2s ease,box-shadow .2s ease,background .2s ease;
}
.dock.is-scrolled{height:56px;background:rgba(255,255,255,.96);box-shadow:var(--sh-3)}

.logo{display:flex;align-items:center;gap:10px;text-decoration:none;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;flex:0 0 34px;
  border-radius:11px;
  background:linear-gradient(135deg,#0E6B8C,#2F9BBE);
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(14,107,140,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:15px;font-weight:700;color:var(--ink);letter-spacing:.01em}
.logo-text em{font-size:11px;font-style:normal;color:var(--ink-3);letter-spacing:.08em}

.dock-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.dock-nav a{
  position:relative;display:inline-block;
  padding:8px 13px;font-size:15px;color:var(--ink-2);
  border-radius:var(--radius-pill);
  transition:color .18s ease,background-color .18s ease;
}
.dock-nav a:hover{color:var(--primary);background:var(--primary-light)}
.dock-nav a.active{color:var(--primary);font-weight:600}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--primary);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:0 0 auto}
.dock-toggle{display:none}

.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  font-size:15px;cursor:pointer;
  transition:all .18s ease;
}
.icon-btn:hover{color:var(--primary);border-color:rgba(14,107,140,.45);background:var(--primary-light)}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--radius-pill);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  white-space:nowrap;cursor:pointer;
  transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(14,107,140,.22)}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(14,60,80,.24)}
.btn-primary:active{transform:none;box-shadow:0 6px 14px rgba(14,60,80,.2)}
.btn-ghost{background:#fff;color:var(--primary);border-color:rgba(14,107,140,.5)}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);border-color:var(--primary)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--primary);
  border-bottom:1px solid rgba(14,107,140,.35);
  padding-bottom:2px;
}
.text-link i{transition:transform .18s ease}
.text-link:hover i{transform:translateX(3px)}

/* ============ 文章头部 ============ */
.article-hero{position:relative;padding:36px 0 0;overflow:hidden}
.article-hero::before{
  content:"";position:absolute;left:0;right:0;top:-160px;height:460px;
  background:radial-gradient(58% 66% at 50% 0%,rgba(14,107,140,.09),rgba(14,107,140,0) 72%);
  pointer-events:none;
}
.article-hero .container{position:relative;z-index:1}

.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-3);margin-bottom:22px}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--primary)}
.breadcrumb .sep{color:#B9C8CF}
.breadcrumb .current{
  color:var(--ink);font-weight:600;
  max-width:min(380px,52vw);
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

.article-head{max-width:860px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;
  border-radius:var(--radius-pill);
  background:var(--primary-light);
  color:var(--primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  margin-bottom:16px;
}
.article-head h1{
  font-size:clamp(26px,3.4vw,40px);
  line-height:1.34;
  letter-spacing:0;
  margin-bottom:20px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;
  padding:16px 0 22px;
  font-size:14px;color:var(--ink-3);
  border-bottom:1px solid var(--line);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px}
.article-meta i{color:#9FB2BB;font-size:13px}

/* ============ 文章主体布局 ============ */
.article-section{padding:44px 0 0}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 268px;
  gap:56px;
  align-items:start;
}
.article-main{min-width:0}

.article-body{
  max-width:760px;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  word-break:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:22px;line-height:1.5;font-weight:700;color:var(--ink);
  margin:38px 0 14px;padding-left:12px;border-left:4px solid var(--primary);
  border-radius:2px;
}
.article-body h3{font-size:18px;line-height:1.55;font-weight:600;color:var(--ink);margin:28px 0 10px}
.article-body h4{font-size:16px;font-weight:700;color:var(--ink);margin:22px 0 8px}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:24px}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin:0 0 8px;padding-left:2px}
.article-body ul ul,.article-body ol ol,.article-body ul ol,.article-body ol ul{margin:8px 0 0}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(14,107,140,.35)}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark)}
.article-body strong{color:var(--ink);font-weight:700}
.article-body blockquote{
  margin:24px 0;padding:16px 22px;
  background:var(--bg-soft);
  border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;
  color:var(--ink-2);
  font-size:15.5px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-img);margin:24px auto;box-shadow:var(--sh-1)}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:24px 0;font-size:15px;line-height:1.7;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--bg-soft);color:var(--ink);font-weight:700}
.article-body th,.article-body td{
  padding:11px 14px;text-align:left;
  border-bottom:1px solid var(--line);
  height:44px;
}
.article-body tr:last-child td{border-bottom:0}
.article-body code{
  background:var(--bg-soft);color:var(--primary-dark);
  padding:2px 6px;border-radius:6px;font-size:14px;
}
.article-body pre{
  background:#0C2732;color:#DCEEF5;
  padding:18px 20px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}

/* 空态 */
.empty-state{
  max-width:640px;
  padding:44px 32px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-1);
  text-align:center;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;
  border-radius:18px;background:var(--primary-light);color:var(--primary);
  display:flex;align-items:center;justify-content:center;font-size:22px;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--ink-2);margin-bottom:22px}

/* 侧栏目录 */
.article-aside{position:sticky;top:104px}
.toc-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:20px 20px 16px;
  box-shadow:var(--sh-1);
}
.toc-card h3{
  font-size:13px;letter-spacing:.08em;color:var(--ink-3);
  font-weight:600;margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.toc-card h3 i{color:var(--primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:52vh;overflow:auto}
.toc-list a{
  display:block;font-size:14px;line-height:1.55;
  color:var(--ink-2);padding:7px 10px;border-radius:8px;
  border-left:2px solid transparent;
  transition:all .16s ease;
}
.toc-list a:hover{background:var(--primary-light);color:var(--primary)}
.toc-list a.is-sub{padding-left:24px;font-size:13px;color:var(--ink-3)}
.toc-list a.active{color:var(--primary);background:var(--primary-light);border-left-color:var(--primary);font-weight:600}
.toc-empty{font-size:13px;color:var(--ink-3);line-height:1.7}
.aside-help{
  margin-top:16px;padding:18px 20px;
  border-radius:var(--radius-card);
  background:linear-gradient(180deg,#F2F7F9,#E6F2F7);
  border:1px solid #D7E7EE;
}
.aside-help p{font-size:13.5px;line-height:1.75;color:var(--ink-2);margin-bottom:12px}
.aside-help .btn{width:100%;height:42px;font-size:14px}

/* 文末 */
.article-foot{margin-top:40px;padding-top:26px;border-top:1px solid var(--line);max-width:760px}
.foot-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:26px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--radius-pill);
  background:var(--primary-light);color:var(--primary);
  font-size:12px;font-weight:600;
}
.tag.soft{background:#fff;border:1px solid var(--line);color:var(--ink-2);font-weight:500}
.related-title{font-size:18px;margin-bottom:16px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px}
.related-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(14,107,140,.35)}
.related-card .thumb{aspect-ratio:16/10;overflow:hidden;background:var(--bg-soft)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.related-card:hover .thumb img{transform:scale(1.04)}
.related-card .body{padding:14px 16px 16px;display:flex;flex-direction:column;gap:8px}
.related-card .body strong{font-size:15px;font-weight:600;color:var(--ink);line-height:1.5}
.related-card .body span{font-size:12.5px;color:var(--ink-3)}

/* ============ CTA 带 ============ */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:80px;padding:72px 0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-top:1px solid var(--line);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(250,252,253,.95),rgba(230,242,247,.86));
}
.cta-band .container{position:relative;z-index:1}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:24px;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{font-size:15.5px;color:var(--ink-2);max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.site-footer{background:#F2F7F9;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:var(--ink);margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a{font-size:14px;color:var(--ink-2)}
.footer-col ul li a:hover{color:var(--primary)}
.footer-contact li{display:flex;align-items:flex-start;gap:9px;font-size:14px;color:var(--ink-2);line-height:1.7}
.footer-contact i{color:var(--primary);font-size:13px;margin-top:6px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding:20px 0 26px;
  border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-3);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:32px;z-index:180;
  display:inline-flex;align-items:center;gap:8px;
  height:52px;padding:0 24px;border-radius:var(--radius-pill);
  background:var(--accent);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease,background-color .18s ease;
}
.float-cta:hover{background:#DD6E36;color:#fff;transform:translateY(-2px)}
.float-cta.show{opacity:1;visibility:visible;transform:none}

/* ============ 移动抽屉 ============ */
.dock-drawer{
  position:fixed;inset:0;z-index:300;
  display:flex;justify-content:flex-end;
  background:rgba(8,30,40,.42);
  opacity:0;visibility:hidden;
  transition:opacity .22s ease,visibility .22s ease;
}
.dock-drawer.open{opacity:1;visibility:visible}
.drawer-panel{
  width:min(340px,84vw);height:100%;
  background:#fff;padding:20px 22px 28px;
  display:flex;flex-direction:column;
  transform:translateX(100%);
  transition:transform .26s ease;
  box-shadow:-12px 0 40px rgba(14,60,80,.16);
}
.dock-drawer.open .drawer-panel{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-title{font-size:13px;letter-spacing:.1em;color:var(--ink-3);font-weight:600}
.drawer-nav{display:flex;flex-direction:column;margin-bottom:auto}
.drawer-nav a{
  font-size:17px;line-height:52px;color:var(--ink);
  border-bottom:1px solid var(--line);
  padding:0 2px;
}
.drawer-nav a:hover,.drawer-nav a.active{color:var(--primary)}
.drawer-cta{width:100%;margin-top:22px}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:36px}
  .article-aside{position:static}
  .toc-card{display:none}
  .aside-help{display:none}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:991px){
  .dock-nav{display:none}
  .dock-toggle{display:inline-flex}
  .dock-actions .btn-sm{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 24px}
  main{padding-top:96px}
  .dock{top:12px;height:56px;padding:0 10px 0 14px}
  .logo-text strong{font-size:14px}
  .logo-text em{font-size:10px}
  .article-hero{padding-top:24px}
  .article-section{padding-top:32px}
  .article-body{font-size:15.5px}
  .article-body h2{font-size:20px;margin-top:30px}
  .article-body h3{font-size:17px}
  .cta-band{margin-top:56px;padding:52px 0}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .site-footer{padding-top:48px}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}
  .float-cta{left:14px;right:14px;bottom:14px;justify-content:center;height:50px}
  body{padding-bottom:76px}
  .related-grid{grid-template-columns:1fr}
}
@media (max-width:519px){
  .container{padding:0 18px}
  .article-meta{font-size:13px;gap:8px 14px}
  .article-head h1{font-size:24px}
  .empty-state{padding:32px 20px}
  .footer-bottom{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
}

/* roulang page: category2 */
:root{
  --primary:#0E6B8C;
  --primary-dark:#08475E;
  --primary-light:#E6F2F7;
  --accent:#F0834A;
  --ink:#16232B;
  --ink-2:#4C606B;
  --line:#DEE8EC;
  --bg:#FAFCFD;
  --bg-soft:#F2F7F9;
  --white:#ffffff;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(14,60,80,.06);
  --sh2:0 12px 32px rgba(14,60,80,.10);
  --sh3:0 16px 40px rgba(14,60,80,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding-top:96px;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px;}

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

/* ---------- 浮动 Dock 导航 ---------- */
.dock{
  position:fixed;
  top:16px;
  left:50%;
  transform:translateX(-50%);
  width:min(1120px,92vw);
  height:64px;
  padding:0 14px 0 18px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid rgba(222,232,236,.9);
  border-radius:var(--r-pill);
  box-shadow:var(--sh2);
  z-index:1000;
  transition:height .22s ease, box-shadow .22s ease, background .22s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh3);background:rgba(255,255,255,.96);}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none;}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--primary),#1493bd);
  color:#fff;font-size:16px;font-weight:700;line-height:1;
  box-shadow:0 4px 12px rgba(14,107,140,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text strong{font-size:16px;color:var(--ink);letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:10px;color:var(--ink-2);letter-spacing:.14em;}
.dock-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center;}
.dock-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--ink-2);
  border-radius:var(--r-pill);
  white-space:nowrap;
  transition:color .16s ease,background .16s ease;
}
.dock-nav a:hover{color:var(--primary);background:var(--primary-light);}
.dock-nav a.active{color:var(--primary);font-weight:600;}
.dock-nav a.active::after{
  content:"";position:absolute;left:50%;bottom:2px;
  width:16px;height:2px;border-radius:2px;background:var(--primary);
  transform:translateX(-50%);
}
.dock-actions{display:flex;align-items:center;gap:8px;flex:none;}
.icon-btn{
  width:38px;height:38px;border-radius:50%;border:1px solid var(--line);
  background:#fff;color:var(--ink-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;transition:all .18s ease;
}
.icon-btn:hover{color:var(--primary);border-color:var(--primary);background:var(--primary-light);}
.dock-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  transition:transform .18s ease, background .18s ease, box-shadow .18s ease, color .18s ease, border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 6px 18px rgba(14,107,140,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 10px 24px rgba(14,107,140,.28);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn-ghost:hover{background:var(--primary-light);color:var(--primary-dark);}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 6px 18px rgba(240,131,74,.28);}
.btn-accent:hover{background:#dd7038;color:#fff;transform:translateY(-1px);}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-soft{background:var(--bg-soft);}
.section-head{max-width:720px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--primary);
  background:var(--primary-light);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;font-weight:600;
}
.eyebrow i{font-size:11px;}
.section-head h2{font-size:clamp(22px,3vw,32px);line-height:1.35;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-2);line-height:1.85;}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;
  padding:56px 0 76px;
  background:
    radial-gradient(720px 320px at 78% 8%, rgba(14,107,140,.07), transparent 70%),
    radial-gradient(520px 260px at 8% 92%, rgba(240,131,74,.06), transparent 72%),
    var(--bg);
  overflow:hidden;
}
.cat-hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;}
.cat-hero-copy{max-width:580px;}
.cat-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  font-weight:700;
  margin:0 0 18px;
  letter-spacing:0;
}
.cat-hero h1 span{color:var(--primary);}
.cat-hero-lead{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:520px;}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-chips li{
  font-size:13px;color:var(--primary-dark);
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-pill);
  padding:7px 15px;box-shadow:var(--sh1);
}
.hero-chips li i{color:var(--accent);margin-right:6px;font-size:11px;}
.cat-hero-media{position:relative;}
.cat-hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh2);
}
.media-badge{
  position:absolute;left:20px;bottom:20px;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:13px;font-weight:600;
  padding:9px 18px;border-radius:var(--r-pill);
  box-shadow:var(--sh1);
  display:inline-flex;align-items:center;gap:8px;
}
.media-badge::before{
  content:"";width:7px;height:7px;border-radius:50%;background:#20B486;
  box-shadow:0 0 0 3px rgba(32,180,134,.18);
}

/* ---------- 功能卡片网格 ---------- */
.feature-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.feature-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .18s ease, box-shadow .18s ease, border-color .18s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh2);border-color:#BBDCE8;}
.feature-thumb{position:relative;background:var(--bg-soft);}
.feature-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-index{
  position:absolute;top:12px;left:12px;
  width:30px;height:30px;border-radius:10px;
  background:rgba(255,255,255,.94);
  color:var(--primary);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh1);
}
.feature-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1;}
.tag{
  display:inline-flex;align-self:flex-start;
  font-size:12px;letter-spacing:.02em;font-weight:600;
  color:var(--primary);background:var(--primary-light);
  padding:5px 12px;border-radius:var(--r-pill);
  margin-bottom:12px;
}
.feature-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;font-weight:600;}
.feature-body p{font-size:14px;line-height:1.78;color:var(--ink-2);margin-bottom:14px;}
.dot-list{display:flex;flex-direction:column;gap:8px;margin-top:auto;}
.dot-list li{
  position:relative;padding-left:18px;
  font-size:13.5px;color:var(--ink-2);line-height:1.7;
}
.dot-list li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;
  background:var(--primary);opacity:.55;
}

/* ---------- 对照表 ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh1);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.compare-table{width:100%;border-collapse:collapse;min-width:640px;}
.compare-table thead th{
  background:var(--bg-soft);
  color:var(--primary-dark);
  font-size:13.5px;font-weight:700;letter-spacing:.04em;
  text-align:left;
  padding:16px 24px;
  border-bottom:1px solid var(--line);
}
.compare-table thead th:first-child{width:28%;}
.compare-table tbody td{
  padding:18px 24px;
  border-bottom:1px solid var(--line);
  font-size:15px;line-height:1.7;color:var(--ink-2);
  vertical-align:top;
}
.compare-table tbody tr:last-child td{border-bottom:0;}
.compare-table tbody tr:hover td{background:#F8FCFD;}
.compare-table tbody td:first-child{
  font-weight:600;color:var(--ink);font-size:15px;
  white-space:nowrap;
}
.compare-table tbody td:first-child i{color:var(--primary);margin-right:8px;font-size:13px;}

/* ---------- 上手建议 ---------- */
.tips-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.tip-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--sh1);
  border-top:3px solid var(--primary);
  transition:transform .18s ease, box-shadow .18s ease;
}
.tip-item:hover{transform:translateY(-3px);box-shadow:var(--sh2);}
.tip-num{
  font-size:13px;font-weight:700;color:var(--primary);
  letter-spacing:.12em;margin-bottom:10px;display:block;
}
.tip-item h3{font-size:17px;margin-bottom:10px;line-height:1.5;}
.tip-item p{font-size:14.5px;line-height:1.8;color:var(--ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);
  border-radius:14px;
  margin-bottom:10px;
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:border-color .18s ease, box-shadow .18s ease;
}
.faq-item.is-open{border-color:#BBDCE8;box-shadow:var(--sh2);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--primary);}
.faq-icon{
  flex:none;width:26px;height:26px;border-radius:50%;
  background:var(--primary-light);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;transition:transform .22s ease, background .18s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--primary);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease;
}
.faq-a-inner{
  padding:0 22px 20px;
  font-size:15px;line-height:1.85;color:var(--ink-2);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(180deg,#F2F9FB 0%, #E9F4F8 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:64px 0;
  text-align:center;
}
.cta-band h2{font-size:clamp(22px,3vw,30px);margin-bottom:14px;line-height:1.4;}
.cta-band p{font-size:16px;color:var(--ink-2);max-width:620px;margin:0 auto 26px;}
.cta-band .btn-row{justify-content:center;margin-top:0;}

/* ---------- 页脚 ---------- */
.site-footer{background:#F4F8FA;border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand p{font-size:14px;line-height:1.85;color:var(--ink-2);margin-top:16px;max-width:300px;}
.footer-col h4{font-size:15px;margin-bottom:18px;color:var(--ink);}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col ul li a{font-size:14px;color:var(--ink-2);}
.footer-col ul li a:hover{color:var(--primary);}
.footer-contact li{
  display:flex;align-items:flex-start;gap:10px;
  font-size:14px;color:var(--ink-2);line-height:1.7;
}
.footer-contact li i{color:var(--primary);margin-top:5px;font-size:13px;flex:none;}
.footer-bottom{
  border-top:1px solid var(--line);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#7A8F9B;
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:32px;
  height:52px;padding:0 26px;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--accent);color:#fff;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  box-shadow:var(--sh3);
  z-index:900;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .24s ease, transform .24s ease, background .18s ease, visibility .24s ease;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{background:#dd7038;color:#fff;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{padding:0 28px;}
  .cat-hero-grid{gap:36px;}
}
@media (max-width:991px){
  body{padding-top:86px;}
  .container{padding:0 24px;}
  .dock{height:60px;padding:0 12px 0 16px;}
  .dock.is-scrolled{height:56px;}
  .dock-nav{
    position:absolute;
    top:70px;left:0;right:0;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--sh2);
    display:none;
  }
  .dock-nav.open{display:flex;}
  .dock-nav a{padding:13px 16px;font-size:17px;border-radius:12px;}
  .dock-nav a.active::after{display:none;}
  .dock-nav a.active{background:var(--primary-light);}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn{display:none;}
  .dock-actions .icon-btn:first-child{display:none;}
  .section{padding:64px 0;}
  .cat-hero{padding:36px 0 56px;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media{order:-1;}
  .cat-hero-copy{max-width:100%;}
  .feature-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
  .tips-grid{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  body{padding-top:82px;font-size:15px;}
  .container{padding:0 18px;}
  .dock{height:58px;width:94vw;}
  .logo-mark{width:28px;height:28px;font-size:14px;border-radius:9px;}
  .logo-text strong{font-size:15px;}
  .logo-text em{font-size:9px;}
  .section{padding:48px 0;}
  .cat-hero{padding:24px 0 44px;}
  .cat-hero h1{font-size:clamp(26px,7.6vw,32px);}
  .cat-hero-lead{font-size:15.5px;}
  .btn{height:46px;padding:0 22px;font-size:15px;}
  .btn-row{gap:10px;}
  .btn-row .btn{flex:1 1 100%;}
  .feature-grid{grid-template-columns:1fr;gap:16px;}
  .feature-body{padding:18px 18px 20px;}
  .compare-table{min-width:560px;}
  .compare-table thead th{padding:14px 16px;}
  .compare-table tbody td{padding:15px 16px;font-size:14px;}
  .compare-table tbody td:first-child{font-size:14px;}
  .faq-q{font-size:15px;padding:16px 18px;}
  .faq-a-inner{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:48px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:6px;font-size:12.5px;}
  .float-cta{
    left:16px;right:16px;bottom:14px;
    width:auto;justify-content:center;height:50px;
    border-radius:var(--r-pill);
  }
  .section-head{margin-bottom:32px;}
}

/* roulang page: category3 */
:root{
  --brand:#0E6B8C;
  --brand-deep:#08475E;
  --brand-light:#E6F2F7;
  --accent:#F0834A;
  --accent-deep:#D96C34;
  --ink:#16232B;
  --ink-2:#4C606B;
  --line:#DEE8EC;
  --bg:#FAFCFD;
  --bg-alt:#F2F7F9;
  --white:#ffffff;
  --r-card:16px;
  --r-img:14px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 12px 32px rgba(14,60,80,.10);
  --sh-3:0 16px 40px rgba(14,60,80,.16);
  --container:1180px;
  --pad-x:32px;
  --sec-y:88px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  -moz-osx-font-smoothing:grayscale;
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}

h1,h2,h3,h4{
  margin:0;
  color:var(--ink);
  font-weight:700;
  line-height:1.35;
}

p{margin:0;}

ul,ol{
  margin:0;
  padding:0;
  list-style:none;
}

img{
  display:block;
  max-width:100%;
  height:auto;
  border:0;
}

a{
  color:var(--brand);
  text-decoration:none;
  transition:color .18s ease;
}

a:hover{color:var(--brand-deep);}

a:focus-visible,
button:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:3px;
  border-radius:6px;
}

button{font-family:inherit;}

[hidden]{display:none !important;}

[id]{scroll-margin-top:100px;}

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

.sec{
  padding:var(--sec-y) 0;
  position:relative;
}

.sec--alt{background:var(--bg-alt);}
.sec--line{border-top:1px solid var(--line);}

.sec-head{max-width:760px;}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.08em;
  margin-bottom:16px;
}

.sec-head h2{
  font-size:clamp(22px,3vw,32px);
  line-height:1.35;
}

.sec-head p{
  margin-top:14px;
  font-size:15.5px;
  color:var(--ink-2);
  line-height:1.8;
}

/* ---------- Dock 导航 ---------- */
.dock{
  position:sticky;
  top:16px;
  z-index:60;
  display:flex;
  align-items:center;
  gap:16px;
  width:min(1180px,92vw);
  height:64px;
  margin:16px auto 0;
  padding:0 12px 0 18px;
  background:rgba(255,255,255,.88);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height .22s ease, box-shadow .22s ease, background .22s ease;
}

.dock.is-compact{
  height:56px;
  box-shadow:var(--sh-3);
}

.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:none;
  color:var(--ink);
  text-decoration:none;
}

.logo:hover{color:var(--ink);}

.logo-mark{
  display:grid;
  place-items:center;
  width:34px;
  height:34px;
  border-radius:11px;
  background:linear-gradient(135deg,#0E6B8C 0%,#1E9BBF 100%);
  color:#fff;
  font-size:16px;
  font-weight:700;
  letter-spacing:0;
  box-shadow:0 6px 14px rgba(14,107,140,.22);
}

.logo-text{
  display:flex;
  flex-direction:column;
  line-height:1.15;
}

.logo-text strong{
  font-size:16px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:0;
}

.logo-text em{
  font-style:normal;
  font-size:11px;
  color:var(--ink-2);
  letter-spacing:.06em;
  margin-top:2px;
}

.dock-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin:0 auto;
}

.dock-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:color .18s ease, background .18s ease;
}

.dock-nav a:hover{
  color:var(--brand);
  background:var(--brand-light);
}

.dock-nav a.active{
  color:var(--brand);
  font-weight:600;
}

.dock-nav a.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:7px;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:translateX(-50%);
}

.dock-actions{
  display:flex;
  align-items:center;
  gap:8px;
  flex:none;
}

.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:40px;
  height:40px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  font-size:14px;
  cursor:pointer;
  transition:color .18s ease, border-color .18s ease, background .18s ease;
}

.icon-btn:hover{
  color:var(--brand);
  border-color:var(--brand);
  background:var(--brand-light);
}

.dock-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border:1px solid transparent;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  text-align:center;
  text-decoration:none;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .16s ease, background .18s ease, color .18s ease, border-color .18s ease, box-shadow .18s ease;
}

.btn-primary{
  background:var(--brand);
  color:#fff;
  box-shadow:0 8px 20px rgba(14,107,140,.20);
}

.btn-primary:hover{
  background:var(--brand-deep);
  color:#fff;
  transform:translateY(-1px);
}

.btn-primary:active{transform:translateY(0);}

.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:var(--brand);
}

.btn-ghost:hover{
  background:var(--brand-light);
  color:var(--brand-deep);
  transform:translateY(-1px);
}

.btn-ghost:active{transform:translateY(0);}

.btn-sm{
  height:40px;
  padding:0 18px;
  font-size:14px;
}

.btn-block{width:100%;}

/* ---------- 移动端抽屉 ---------- */
.drawer-mask{
  position:fixed;
  inset:0;
  z-index:80;
  background:rgba(8,32,42,.42);
  opacity:0;
  visibility:hidden;
  transition:opacity .24s ease, visibility .24s ease;
}

.drawer-mask.show{
  opacity:1;
  visibility:visible;
}

.dock-drawer{
  position:fixed;
  top:0;
  right:0;
  z-index:90;
  display:flex;
  flex-direction:column;
  width:min(340px,86vw);
  height:100%;
  padding:22px 20px 28px;
  background:#fff;
  box-shadow:var(--sh-3);
  transform:translateX(105%);
  transition:transform .28s ease;
  overflow-y:auto;
}

.dock-drawer.open{transform:translateX(0);}

.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
}

.drawer-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--ink-2);
}

.drawer-nav{
  display:flex;
  flex-direction:column;
  margin-top:10px;
}

.drawer-nav a{
  display:flex;
  align-items:center;
  min-height:52px;
  padding:0 8px;
  font-size:17px;
  color:var(--ink);
  border-bottom:1px solid var(--line);
}

.drawer-nav a:hover{color:var(--brand);}

.drawer-nav a.active{
  color:var(--brand);
  font-weight:600;
}

.drawer-foot{
  margin-top:auto;
  padding-top:22px;
}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  padding:56px 0 76px;
  overflow:hidden;
  background:
    radial-gradient(760px 380px at 84% 4%, rgba(14,107,140,.12), transparent 68%),
    radial-gradient(520px 300px at 6% 92%, rgba(240,131,74,.08), transparent 70%),
    linear-gradient(180deg,#F4F9FB 0%,#FAFCFD 100%);
  border-bottom:1px solid var(--line);
}

.hero-grid{
  display:grid;
  grid-template-columns:minmax(0,1.04fr) minmax(0,.96fr);
  gap:52px;
  align-items:center;
}

.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  margin-bottom:20px;
  font-size:13px;
  color:var(--ink-2);
}

.breadcrumb a{color:var(--ink-2);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#A9BDC6;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

.hero-copy h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.28;
  letter-spacing:0;
}

.hero-lead{
  margin-top:18px;
  max-width:540px;
  font-size:17px;
  line-height:1.85;
  color:var(--ink-2);
}

.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:28px;
}

.hero-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 22px;
  margin-top:26px;
  font-size:13.5px;
  color:var(--ink-2);
}

.hero-meta span{
  display:inline-flex;
  align-items:center;
  gap:7px;
}

.hero-meta i{color:var(--brand);}

.hero-visual{position:relative;}

.hero-figure{
  position:relative;
  aspect-ratio:16/10;
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:var(--brand-light);
}

.hero-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
}

.hero-figure::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(8,40,54,0) 52%, rgba(8,40,54,.34) 100%);
  pointer-events:none;
}

.badge-float{
  position:absolute;
  left:18px;
  bottom:18px;
  z-index:2;
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 16px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  color:var(--brand-deep);
  font-size:13px;
  font-weight:600;
  box-shadow:var(--sh-1);
}

.badge-float i{color:var(--accent);}

/* ---------- 时间线步骤 ---------- */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:18px;
  margin-top:52px;
}

.timeline::before{
  content:"";
  position:absolute;
  left:12px;
  right:12px;
  top:26px;
  height:2px;
  background:linear-gradient(90deg,rgba(14,107,140,.12),rgba(14,107,140,.42),rgba(14,107,140,.12));
}

.tl-item{position:relative;}

.tl-num{
  position:relative;
  z-index:1;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:54px;
  height:54px;
  border-radius:16px;
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
  color:var(--brand);
  font-size:17px;
  font-weight:700;
  transition:transform .2s ease, box-shadow .2s ease, border-color .2s ease;
}

.tl-item:hover .tl-num{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(14,107,140,.4);
}

.tl-item h3{
  margin:18px 0 8px;
  font-size:17px;
  font-weight:600;
  line-height:1.5;
}

.tl-item p{
  font-size:14.5px;
  line-height:1.75;
  color:var(--ink-2);
}

/* ---------- 双列清单 ---------- */
.dual-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
  margin-top:44px;
  align-items:stretch;
}

.list-panel{
  height:100%;
  padding:30px 28px 24px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:box-shadow .2s ease, transform .2s ease, border-color .2s ease;
}

.list-panel:hover{
  box-shadow:var(--sh-2);
  transform:translateY(-2px);
}

.list-panel--care{
  background:linear-gradient(180deg,#FFF8F3 0%,#FFFFFF 58%);
  border-color:#F5D9C8;
}

.list-panel--care:hover{border-color:var(--accent);}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 13px;
  border-radius:var(--r-pill);
  background:var(--brand-light);
  color:var(--brand-deep);
  font-size:12px;
  font-weight:700;
  letter-spacing:.04em;
}

.tag--accent{
  background:#FDECE2;
  color:var(--accent-deep);
}

.list-panel h3{
  margin:16px 0 6px;
  font-size:19px;
  font-weight:600;
}

.list-panel .panel-note{
  font-size:14px;
  color:var(--ink-2);
  line-height:1.75;
}

.check-list{margin-top:18px;}

.check-list li{
  position:relative;
  padding:13px 0 13px 28px;
  border-bottom:1px dashed var(--line);
  font-size:15px;
  line-height:1.7;
  color:var(--ink-2);
}

.check-list li:last-child{border-bottom:0;}

.check-list li::before{
  content:"";
  position:absolute;
  left:2px;
  top:22px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--brand);
}

.list-panel--care .check-list li::before{
  background:var(--accent);
  border-radius:2px;
}

.check-list strong{color:var(--ink);font-weight:600;}

/* ---------- 三层防护 ---------- */
.guard-row{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:0;
  margin-top:44px;
}

.guard-item{
  padding:4px 30px;
  border-left:1px solid var(--line);
}

.guard-item:first-child{
  border-left:0;
  padding-left:0;
}

.guard-item:last-child{padding-right:0;}

.guard-num{
  display:block;
  font-size:12px;
  font-weight:700;
  letter-spacing:.14em;
  color:var(--brand);
  margin-bottom:10px;
}

.guard-item h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}

.guard-item p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}

.hint-band{
  display:grid;
  grid-template-columns:300px minmax(0,1fr);
  gap:28px;
  align-items:center;
  margin-top:56px;
  padding:18px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
}

.hint-band img{
  width:100%;
  height:158px;
  object-fit:cover;
  border-radius:var(--r-img);
}

.hint-band .hint-body h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:8px;
}

.hint-band .hint-body p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--ink-2);
}

.hint-band .hint-body .btn{margin-top:16px;}

/* ---------- FAQ ---------- */
.faq-list{
  max-width:860px;
  margin:44px auto 0;
  display:grid;
  gap:10px;
}

.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:14px;
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:border-color .18s ease, box-shadow .18s ease;
}

.faq-item.open{
  border-color:rgba(14,107,140,.42);
  box-shadow:var(--sh-2);
}

.faq-q{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  width:100%;
  padding:18px 22px;
  background:none;
  border:0;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  line-height:1.55;
  cursor:pointer;
  min-height:56px;
}

.faq-q:hover{color:var(--brand-deep);}

.faq-q i{
  flex:none;
  font-size:13px;
  color:var(--brand);
  transition:transform .26s ease;
}

.faq-item.open .faq-q i{transform:rotate(180deg);}

.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
}

.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.85;
  color:var(--ink-2);
}

/* ---------- CTA 带 ---------- */
.cta-band{
  padding:60px 0;
  background:
    radial-gradient(600px 260px at 88% 20%, rgba(240,131,74,.14), transparent 70%),
    linear-gradient(120deg,#EAF4F8 0%,#F7FBFC 55%,#FDF4EE 100%);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}

.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}

.cta-inner h2{
  font-size:clamp(22px,3vw,30px);
  line-height:1.4;
}

.cta-inner p{
  margin-top:10px;
  max-width:620px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-2);
}

.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  padding:64px 0 24px;
  background:#F4F8FA;
  border-top:1px solid var(--line);
}

.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.25fr;
  gap:36px;
}

.footer-brand p{
  margin-top:16px;
  max-width:300px;
  font-size:14px;
  line-height:1.8;
  color:var(--ink-2);
}

.footer-col h4{
  font-size:15px;
  font-weight:700;
  margin-bottom:16px;
  color:var(--ink);
}

.footer-col ul li{margin-bottom:10px;}

.footer-col ul li:last-child{margin-bottom:0;}

.footer-col a{
  font-size:14px;
  color:var(--ink-2);
}

.footer-col a:hover{color:var(--brand);}

.footer-contact li{
  display:flex;
  align-items:flex-start;
  gap:10px;
  font-size:14px;
  line-height:1.7;
  color:var(--ink-2);
}

.footer-contact i{
  color:var(--brand);
  margin-top:6px;
  flex:none;
}

.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  flex-wrap:wrap;
  gap:12px;
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--ink-2);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;
  bottom:32px;
  z-index:70;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:52px;
  padding:0 24px;
  border-radius:var(--r-pill);
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  box-shadow:var(--sh-3);
  opacity:0;
  visibility:hidden;
  transform:translateY(12px);
  transition:opacity .24s ease, transform .24s ease, visibility .24s ease, background .18s ease;
}

.float-cta.show{
  opacity:1;
  visibility:visible;
  transform:translateY(0);
}

.float-cta:hover{
  background:var(--accent-deep);
  color:#fff;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--pad-x:24px;}
}

@media (max-width:991px){
  :root{
    --pad-x:24px;
    --sec-y:64px;
  }
  .dock-nav{display:none;}
  .dock-toggle{display:inline-flex;}
  .dock-actions .btn-sm{display:none;}
  .hero-grid{
    grid-template-columns:minmax(0,1fr);
    gap:36px;
  }
  .hero-visual{order:2;}
  .page-hero{padding:40px 0 60px;}
  .timeline{
    grid-template-columns:minmax(0,1fr);
    gap:0;
    margin-top:40px;
  }
  .timeline::before{
    top:8px;
    bottom:8px;
    left:26px;
    right:auto;
    width:2px;
    height:auto;
    background:linear-gradient(180deg,rgba(14,107,140,.12),rgba(14,107,140,.42),rgba(14,107,140,.12));
  }
  .tl-item{
    padding:0 0 26px 78px;
  }
  .tl-item:last-child{padding-bottom:0;}
  .tl-num{
    position:absolute;
    left:0;
    top:0;
  }
  .tl-item h3{margin-top:8px;}
  .dual-grid{grid-template-columns:minmax(0,1fr);}
  .guard-row{
    grid-template-columns:minmax(0,1fr);
    gap:24px;
  }
  .guard-item{
    padding:0;
    border-left:0;
    border-top:1px solid var(--line);
    padding-top:22px;
  }
  .guard-item:first-child{
    border-top:0;
    padding-top:0;
  }
  .hint-band{
    grid-template-columns:minmax(0,1fr);
    gap:18px;
  }
  .hint-band img{height:180px;}
  .footer-grid{
    grid-template-columns:repeat(2,minmax(0,1fr));
    gap:32px;
  }
}

@media (max-width:767px){
  :root{
    --pad-x:18px;
    --sec-y:48px;
  }
  body{font-size:15px;}
  .dock{
    width:94vw;
    height:58px;
    padding:0 10px 0 14px;
    gap:10px;
  }
  .logo-mark{width:30px;height:30px;border-radius:10px;font-size:15px;}
  .logo-text strong{font-size:15px;}
  .logo-text em{font-size:10px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 46%;padding:0 18px;}
  .list-panel{padding:24px 20px 18px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .cta-band{padding:48px 0;}
  .float-cta{
    left:0;
    right:0;
    bottom:0;
    height:56px;
    padding:0 20px;
    border-radius:0;
    font-size:15px;
  }
  .site-footer{padding-bottom:76px;}
}

@media (max-width:520px){
  .hero-lead{font-size:15.5px;}
  .timeline::before{left:22px;}
  .tl-item{padding-left:64px;}
  .tl-num{width:46px;height:46px;border-radius:13px;font-size:15px;}
  .hero-meta{gap:8px 16px;font-size:13px;}
  .breadcrumb{font-size:12.5px;}
}