/* roulang page: index */
:root{
  --brand:#0E6B8F;
  --brand-dark:#0A5573;
  --brand-light:#E9F3F8;
  --amber:#E8892B;
  --amber-dark:#D2761E;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --line:#E3EBF0;
  --text:#1D2B36;
  --muted:#5E7180;
  --weak:#8A99A5;
  --success:#2E9E6B;
  --warn:#C5831F;
  --r-xl:24px;
  --r-lg:16px;
  --r-md:12px;
  --sh1:0 2px 8px rgba(14,60,80,.06);
  --sh2:0 10px 30px rgba(14,60,80,.10);
  --sh3:0 18px 40px rgba(14,60,80,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}

/* ---------- Bootstrap 覆写 ---------- */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:32px;padding-right:32px}
.btn{
  --bs-btn-border-radius:12px;
  --bs-btn-font-size:15px;
  --bs-btn-padding-y:10px;
  --bs-btn-padding-x:22px;
}
.btn-primary{
  --bs-btn-bg:var(--brand);
  --bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand-dark);
  --bs-btn-hover-border-color:var(--brand-dark);
  --bs-btn-active-bg:var(--brand-dark);
  --bs-btn-active-border-color:var(--brand-dark);
}
.btn-outline-primary{
  --bs-btn-color:var(--brand);
  --bs-btn-border-color:var(--brand);
  --bs-btn-hover-bg:var(--brand);
  --bs-btn-hover-border-color:var(--brand);
  --bs-btn-active-bg:var(--brand-dark);
  --bs-btn-active-border-color:var(--brand-dark);
}
.card{--bs-card-border-radius:var(--r-lg);--bs-card-border-color:var(--line);--bs-card-bg:var(--card)}
.badge{--bs-badge-border-radius:999px;--bs-badge-font-size:12.5px;--bs-badge-padding-x:10px;--bs-badge-padding-y:4px}
.form-control{
  height:44px;
  border-radius:12px;
  border:1px solid #D9E3EA;
  font-size:15px;
}
.form-control:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(14,107,143,.08);
}
.accordion{--bs-accordion-border-radius:12px;--bs-accordion-border-color:var(--line)}

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{position:sticky;top:16px;z-index:1000;padding:0 20px}
.dock{
  position:relative;
  max-width:1140px;
  margin:0 auto;
  height:64px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:0 12px 0 20px;
  transition:height .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dock.is-scrolled{height:56px;box-shadow:var(--sh3);border-color:#D6E2EA}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--brand-dark) 100%);
  color:#fff;font-size:16px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  letter-spacing:0;
}
.brand-text{font-size:15px;font-weight:700;color:var(--text);white-space:nowrap;letter-spacing:.2px}
.brand:hover .brand-text{color:var(--brand)}
.dock-menu{display:flex;align-items:center;gap:2px;flex:1;justify-content:center}
.nav-link{
  position:relative;
  padding:8px 14px;
  font-size:14px;
  color:var(--muted);
  border-radius:999px;
  white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(14,107,143,.08)}
.nav-link.active{color:var(--brand);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:50%;bottom:0;
  transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--brand);
}
.dock-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .18s ease;
}
.icon-btn:hover{color:var(--brand);border-color:#C7DBE6;background:var(--brand-light)}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;
  background:var(--amber);color:#fff;
  border:0;border-radius:12px;
  font-size:14px;font-weight:600;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-main:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px);box-shadow:0 8px 18px rgba(232,137,43,.28)}
.btn-main.lg{height:48px;padding:0 28px;font-size:15px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  border:1px solid var(--brand);color:var(--brand);
  border-radius:12px;font-size:15px;font-weight:600;background:transparent;
  transition:all .18s ease;
}
.btn-ghost:hover{background:var(--brand);color:#fff;transform:translateY(-1px)}
.dock-toggle{
  display:none;
  width:40px;height:40px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--muted);
  align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 通用区块 ---------- */
.sec{padding:96px 0}
section[id]{scroll-margin-top:96px}
.sec-tag{
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;margin-bottom:14px;
  background:var(--brand-light);color:var(--brand);
  border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.3px;
}
.sec-head{margin-bottom:36px;max-width:720px}
.sec-head h2{font-size:30px;font-weight:600;margin-bottom:12px}
.sec-head p{color:var(--muted);font-size:15.5px}
.sec-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:36px;flex-wrap:wrap;
}
.sec-head-row .sec-head{margin-bottom:0}
.link-more{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.link-more:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- Hero ---------- */
.hero{padding:64px 0 96px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;margin-bottom:20px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13px;color:var(--muted);box-shadow:var(--sh1);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--success)}
.hero h1{font-size:42px;font-weight:700;letter-spacing:-.5px;margin-bottom:18px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-sub{font-size:18px;color:var(--muted);margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:36px}
.hero-stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border-top:1px solid var(--line);padding-top:26px}
.stat-num{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px}
.stat-label{font-size:13px;color:var(--weak);margin-top:4px}
.hero-media{position:relative;border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh2);background:#E7EFF3}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(14,107,143,0) 52%,rgba(14,107,143,.20) 100%);
}
.hero-float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.94);
  border-radius:14px;padding:12px 16px;
  box-shadow:var(--sh2);
  display:flex;align-items:center;gap:12px;
}
.hero-float strong{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:20px;color:var(--brand);
}
.hero-float span{font-size:13px;color:var(--muted)}

/* ---------- 三步上手 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  box-shadow:var(--sh1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.step:not(:last-child)::after{
  content:"";position:absolute;right:-24px;top:54px;width:24px;
  border-top:1px dashed #C9D8E2;
}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;
  background:rgba(232,137,43,.14);color:var(--amber-dark);
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:15px;font-weight:700;margin-bottom:16px;
}
.step-icon{color:var(--brand);margin-bottom:14px}
.step h3{font-size:19px;font-weight:600;margin-bottom:8px}
.step p{font-size:14.5px;color:var(--muted)}

/* ---------- 案例证明 ---------- */
.cases{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:stretch}
.case-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.case-main:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.case-img{position:relative;overflow:hidden;background:#E7EFF3}
.case-img img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.case-main:hover .case-img img{transform:scale(1.02)}
.case-tag{
  position:absolute;left:14px;top:14px;
  background:rgba(255,255,255,.92);color:var(--brand);
  font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;
}
.case-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1}
.case-body h3{font-size:21px;font-weight:600}
.case-body p{font-size:14.5px;color:var(--muted)}
.case-kpi{display:flex;align-items:baseline;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line)}
.case-kpi strong{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:28px;color:var(--brand);line-height:1;
}
.case-kpi span{font-size:13.5px;color:var(--muted)}
.case-side{display:grid;grid-template-rows:1fr 1fr;gap:24px}
.case-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:20px;display:flex;gap:16px;align-items:center;
  box-shadow:var(--sh1);transition:transform .18s ease,box-shadow .18s ease;
}
.case-mini:hover{transform:translateY(-4px);box-shadow:var(--sh3)}
.case-mini img{width:96px;height:96px;border-radius:12px;object-fit:cover;flex-shrink:0;background:#E7EFF3}
.case-mini h3{font-size:16px;font-weight:600;margin-bottom:6px}
.case-mini p{font-size:13.5px;color:var(--muted)}
.case-mini p strong{
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
  font-size:18px;color:var(--brand);margin-right:4px;
}
.case-mini.plain{border-left:3px solid var(--amber)}

/* ---------- 最新信息 ---------- */
.chips{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.chip{
  display:inline-flex;align-items:center;
  height:32px;padding:0 16px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  font-size:13.5px;color:var(--muted);cursor:default;
}
.chip.on{background:var(--brand-light);border-color:#CFE6EF;color:var(--brand);font-weight:600}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh1);color:inherit;
  transition:transform .18s ease,box-shadow .18s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);color:inherit}
.news-thumb{overflow:hidden;background:#E7EFF3}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.02)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;
  background:var(--brand-light);color:var(--brand);
  border-radius:999px;font-size:12.5px;font-weight:600;
}
.news-time{font-size:12.5px;color:var(--weak)}
.news-title{
  font-size:17px;font-weight:600;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{
  margin-top:auto;padding-top:10px;font-size:13.5px;font-weight:600;color:var(--brand);
  display:inline-flex;align-items:center;gap:6px;
}
.news-empty{
  grid-column:1 / -1;
  background:var(--card);border:1px dashed #CFDCE5;border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
  display:flex;flex-direction:column;align-items:center;gap:14px;
}
.news-empty svg{color:var(--weak)}
.news-empty p{font-size:15px;color:var(--muted)}
.news-empty a{font-size:14px;font-weight:600;border-bottom:1px solid currentColor;padding-bottom:2px}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:12px;
  overflow:hidden;transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--sh1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.5;
}
.faq-q .faq-arrow{
  flex-shrink:0;color:var(--weak);
  transition:transform .2s ease,color .2s ease;
}
.faq-item.open .faq-q .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;background:#F7FAFC;transition:max-height .25s ease}
.faq-item.open .faq-a{max-height:340px}
.faq-a-inner{padding:16px 22px 20px;font-size:15px;color:var(--muted)}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--brand-light);
  border-radius:var(--r-xl);
  padding:48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{font-size:26px;font-weight:600;margin-bottom:10px}
.cta-band p{font-size:15px;color:var(--muted);max-width:560px}

/* ---------- 页脚 ---------- */
.site-footer{background:#16242E;color:#B9C8D2;padding:72px 0 0;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(150deg,#1287B0 0%,#0E6B8F 100%)}
.footer-brand span{color:#fff;font-size:16px;font-weight:700}
.footer-col p{font-size:14px;line-height:1.9;color:#93A7B3;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.footer-col li{margin-bottom:11px;font-size:14px}
.footer-col a{color:#B9C8D2;font-size:14px}
.footer-col a:hover{color:var(--amber)}
.footer-col li span{color:#93A7B3}
.footer-bottom{
  margin-top:52px;padding:24px 0 28px;
  border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FA3AF;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .hero h1{font-size:40px}
  .sec-head h2{font-size:28px}
}
@media (max-width:1199.98px){
  .container{padding-left:24px;padding-right:24px}
  .sec{padding:72px 0}
  .hero{padding:52px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:40px}
  .hero h1{font-size:34px}
  .hero-sub{font-size:17px}
  .cases{grid-template-columns:1fr}
  .case-side{grid-template-rows:auto auto;grid-template-columns:1fr 1fr}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-band{padding:40px}
}
@media (max-width:991.98px){
  .dock-wrap{top:12px;padding:0 14px}
  .dock{padding:0 12px;gap:10px}
  .dock-toggle{display:inline-flex}
  .dock-menu{
    position:absolute;left:0;right:0;top:72px;
    display:none;flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--line);border-radius:18px;
    box-shadow:var(--sh2);padding:10px;
  }
  .dock-menu.open{display:flex}
  .nav-link{padding:12px 16px;font-size:15px;min-height:48px;display:flex;align-items:center;border-radius:12px}
  .nav-link.active::after{display:none}
  .nav-link.active{background:var(--brand-light)}
  .dock-right .btn-main{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cases{grid-template-columns:1fr}
  .case-side{grid-template-columns:1fr;grid-template-rows:auto auto}
}
@media (max-width:767.98px){
  .container{padding-left:18px;padding-right:18px}
  .sec{padding:56px 0}
  .hero{padding:40px 0 56px}
  .hero h1{font-size:28px;letter-spacing:-.2px}
  .hero-sub{font-size:16px}
  .hero-stats{grid-template-columns:repeat(2,1fr);gap:16px}
  .stat-num{font-size:22px}
  .sec-head h2{font-size:23px}
  .steps{grid-template-columns:1fr}
  .step:not(:last-child)::after{
    right:auto;left:44px;top:auto;bottom:-24px;width:0;height:24px;
    border-top:0;border-left:1px dashed #C9D8E2;
  }
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:28px;border-radius:18px}
  .cta-band h2{font-size:21px}
  .cta-band .btn-main.lg{width:100%}
  .case-mini{flex-direction:column;align-items:flex-start}
  .case-mini img{width:100%;height:150px}
  .site-footer{padding-top:56px;margin-top:56px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: article */
:root{
  --c-primary:#0E6B8F;
  --c-primary-dark:#0A5573;
  --c-primary-soft:#E9F3F8;
  --c-accent:#E8892B;
  --c-accent-dark:#C9761F;
  --c-bg:#F5F8FA;
  --c-card:#FFFFFF;
  --c-line:#E3EBF0;
  --c-text:#1D2B36;
  --c-muted:#5E7180;
  --c-faint:#8A99A5;
  --c-success:#2E9E6B;
  --c-warn:#C5831F;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 10px 30px rgba(14,60,80,.10);
  --sh-3:0 18px 40px rgba(14,60,80,.14);
  --sp:96px;
  --font-sans:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --font-num:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-text);line-height:1.3}
p{margin:0 0 1.2em}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:sticky;top:0;z-index:90;
  padding:16px 20px 10px;
  background:linear-gradient(180deg,rgba(245,248,250,.97) 0%,rgba(245,248,250,.78) 62%,rgba(245,248,250,0) 100%);
}
.dock{
  max-width:1140px;margin:0 auto;height:64px;
  display:flex;align-items:center;gap:16px;
  padding:0 18px;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  transition:height .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dock.is-scrolled{height:56px;box-shadow:0 14px 34px rgba(14,60,80,.14);border-color:#D6E2E9}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-text);font-weight:700;font-size:16px;text-decoration:none}
.brand:hover{color:var(--c-text);text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex-shrink:0;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#1487B0);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;
}
.brand-text{white-space:nowrap}
.dock-menu{display:flex;align-items:center;gap:2px;margin:0 auto}
.nav-link{
  position:relative;padding:9px 14px;border-radius:10px;
  color:#3C4C58;font-size:14.5px;text-decoration:none;white-space:nowrap;
  transition:color .18s ease,background .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(14,107,143,.08);text-decoration:none}
.nav-link.active{color:var(--c-primary);font-weight:600}
.nav-link.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:1px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.dock-right{display:flex;align-items:center;gap:10px;flex-shrink:0}
.icon-btn{
  width:38px;height:38px;border-radius:11px;cursor:pointer;
  border:1px solid var(--c-line);background:#fff;color:var(--c-muted);
  display:grid;place-items:center;transition:.18s ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:#BFD9E4;background:var(--c-primary-soft)}
.btn-main{
  height:40px;padding:0 18px;border-radius:var(--r-sm);
  background:var(--c-accent);color:#fff;font-size:14.5px;font-weight:600;
  display:inline-flex;align-items:center;gap:6px;text-decoration:none;
  box-shadow:0 6px 16px rgba(232,137,43,.26);
  transition:.18s ease;
}
.btn-main:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none}
.dock-toggle{
  display:none;width:42px;height:42px;margin-left:auto;
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  color:var(--c-text);cursor:pointer;place-items:center;
}

/* ============ 面包屑 ============ */
.crumb-bar{padding:18px 0 0}
.breadcrumb-list{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  min-height:40px;font-size:13.5px;color:var(--c-faint);
}
.breadcrumb-list a{color:var(--c-muted)}
.breadcrumb-list a:hover{color:var(--c-primary)}
.breadcrumb-list .sep{color:#C8D5DE}
.breadcrumb-list .now{color:var(--c-text);max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ============ 文章头 ============ */
.article-head{padding:22px 0 30px;border-bottom:1px solid var(--c-line)}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12.5px;font-weight:600;
}
.article-head h1{
  margin:16px 0 14px;font-size:42px;font-weight:700;letter-spacing:-.5px;line-height:1.28;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:#6B7C88}
.meta-line .dot{color:#C4D2DB}
.head-cover{
  margin-top:26px;border-radius:var(--r-lg);overflow:hidden;
  background:#E6EDF2;box-shadow:var(--sh-2);
}
.head-cover img{width:100%;aspect-ratio:16/7;object-fit:cover}

/* ============ 正文与侧栏 ============ */
.article-section{padding:44px 0 0}
.article-grid{display:grid;grid-template-columns:minmax(0,800px) 300px;gap:48px;align-items:start}
.article-main{min-width:0}
.article-body{font-size:17px;line-height:1.9;color:var(--c-text)}
.article-body h2{
  position:relative;font-size:26px;font-weight:600;margin:40px 0 16px;padding-left:14px;
}
.article-body h2:first-child{margin-top:0}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.28em;width:4px;height:1em;
  border-radius:2px;background:var(--c-primary);
}
.article-body h3{font-size:18px;font-weight:600;margin:28px 0 12px}
.article-body p{margin:0 0 1.2em}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.4em}
.article-body ul{list-style:none;padding-left:1.1em}
.article-body ul li{position:relative;margin-bottom:8px}
.article-body ul li::before{
  content:"";position:absolute;left:-1.1em;top:.72em;
  width:6px;height:6px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{list-style:decimal}
.article-body ol li{margin-bottom:8px}
.article-body img{border-radius:var(--r-sm);margin:18px 0 10px}
.article-body figure{margin:18px 0}
.article-body figcaption{font-size:12.5px;color:var(--c-faint);margin-top:10px;text-align:center}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  border-left:3px solid var(--c-primary);background:var(--c-primary-soft);
  border-radius:0 var(--r-sm) var(--r-sm) 0;color:#2C404E;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body code{
  background:#EEF3F6;border-radius:6px;padding:2px 6px;
  font-family:var(--font-num);font-size:14.5px;color:#0A5573;
}
.article-body pre{
  background:#16242E;color:#E6EEF3;border-radius:var(--r-sm);
  padding:16px 18px;overflow-x:auto;font-family:var(--font-num);font-size:14px;line-height:1.7;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:20px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-sm);overflow:hidden;
}
.article-body table th{
  background:#F1F6F9;font-weight:600;text-align:left;padding:12px 14px;
  border-bottom:1px solid var(--c-line);color:var(--c-primary-dark);
}
.article-body table td{padding:12px 14px;border-bottom:1px solid var(--c-line);vertical-align:top}
.article-body table tr:last-child td{border-bottom:none}
.article-body table tr:hover td{background:#FAFCFD}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:32px 0}

/* 侧栏 */
.article-side{position:sticky;top:104px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;box-shadow:var(--sh-1);
}
.side-card h4{
  font-size:13px;font-weight:600;letter-spacing:.06em;color:var(--c-faint);
  text-transform:uppercase;margin-bottom:14px;
}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:340px;overflow:auto}
.toc-list a{
  display:block;padding:8px 10px;border-radius:10px;font-size:14px;color:var(--c-muted);
  border-left:2px solid transparent;line-height:1.5;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none}
.toc-list a.is-active{border-left-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);font-weight:600}
.toc-empty{font-size:14px;color:var(--c-faint);margin:0}
.side-links{display:flex;flex-direction:column;gap:6px}
.side-links a{
  display:flex;align-items:center;gap:8px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--c-muted);transition:.18s ease;
}
.side-links a:hover{background:var(--c-primary-soft);color:var(--c-primary);text-decoration:none;transform:translateX(3px)}
.side-links .arrow{color:var(--c-faint);font-size:15px;line-height:1}
.side-tip{
  background:linear-gradient(180deg,#FFFFFF,#F7FAFC);
  border:1px solid var(--c-line);border-left:4px solid var(--c-accent);
  border-radius:var(--r-md);padding:18px 18px 16px;box-shadow:var(--sh-1);
}
.side-tip h5{font-size:14.5px;font-weight:600;margin:0 0 8px;color:var(--c-text)}
.side-tip p{font-size:13.5px;color:var(--c-muted);margin:0;line-height:1.7}

/* ============ 相关推荐 ============ */
.related{padding:var(--sp) 0 0}
.sec-head{margin-bottom:32px}
.sec-head h2{font-size:30px;font-weight:600}
.sec-head p{margin:10px 0 0;font-size:15px;color:var(--c-muted)}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  display:flex;flex-direction:column;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-1);transition:.18s ease;height:100%;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);text-decoration:none}
.rel-thumb{background:#E6EDF2;overflow:hidden}
.rel-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.02)}
.rel-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body .row-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--c-faint)}
.rel-body h3{font-size:17px;font-weight:600;line-height:1.5;color:var(--c-text)}
.rel-body p{font-size:14px;color:var(--c-muted);margin:0;line-height:1.7}
.rel-more{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--c-primary)}
.back-links{margin-top:28px;display:flex;flex-wrap:wrap;gap:26px;font-size:14px}
.back-links a{color:var(--c-muted);font-weight:600}
.back-links a:hover{color:var(--c-primary)}

/* ============ CTA ============ */
.cta-band{padding:var(--sp) 0 0}
.cta-inner{
  background:var(--c-primary-soft);border-radius:var(--r-lg);
  padding:44px 44px;display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  border:1px solid #D8E8F0;
}
.cta-inner h2{font-size:26px;font-weight:600;margin-bottom:8px}
.cta-inner p{margin:0;font-size:15px;color:var(--c-muted)}
.cta-inner .cta-btn{
  margin-left:auto;height:48px;padding:0 26px;border-radius:var(--r-sm);
  background:var(--c-accent);color:#fff;font-weight:600;font-size:15.5px;
  display:inline-flex;align-items:center;gap:8px;box-shadow:0 8px 20px rgba(232,137,43,.28);
  transition:.18s ease;text-decoration:none;
}
.cta-inner .cta-btn:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none}
.btn-ghost{
  height:46px;padding:0 22px;border-radius:var(--r-sm);border:1px solid var(--c-primary);
  color:var(--c-primary);font-weight:600;font-size:15px;background:transparent;
  display:inline-flex;align-items:center;gap:8px;text-decoration:none;transition:.18s ease;
}
.btn-ghost:hover{background:rgba(14,107,143,.08);color:var(--c-primary-dark);text-decoration:none}

/* ============ 空态 ============ */
.empty-state{
  background:var(--c-card);border:1px dashed #D3E0E8;border-radius:var(--r-md);
  padding:56px 24px;text-align:center;box-shadow:var(--sh-1);
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:16px;
  background:var(--c-primary-soft);color:var(--c-primary);display:grid;place-items:center;
}
.empty-state h2{font-size:20px;font-weight:600;margin-bottom:10px}
.empty-state p{font-size:14.5px;color:var(--c-muted);margin-bottom:22px}

/* ============ 页脚 ============ */
.site-footer{margin-top:var(--sp);background:#16242E;color:#B9C8D2;padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-brand .brand-mark{background:linear-gradient(135deg,#1487B0,#0E6B8F)}
.footer-col p{font-size:14px;line-height:1.8;color:#93A6B3;margin:0;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul li a,.footer-col ul li span{font-size:14px;color:#93A6B3;transition:color .18s ease}
.footer-col ul li a:hover{color:var(--c-accent);text-decoration:none}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C8E9B;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .article-head h1{font-size:40px}
  .article-grid{grid-template-columns:minmax(0,1fr) 290px;gap:40px}
}
@media (max-width:1199px){
  .article-grid{grid-template-columns:1fr;gap:0}
  .article-side{position:static;margin-top:40px;flex-direction:row;flex-wrap:wrap}
  .article-side > *{flex:1 1 260px}
  .article-head h1{font-size:36px}
  :root{--sp:80px}
}
@media (max-width:991px){
  .dock-menu{
    display:none;position:absolute;left:20px;right:20px;top:calc(100% + 10px);
    background:#fff;border:1px solid var(--c-line);border-radius:18px;
    box-shadow:var(--sh-2);padding:10px;flex-direction:column;align-items:stretch;gap:2px;
  }
  .dock-menu.is-open{display:flex}
  .dock-menu .nav-link{min-height:48px;display:flex;align-items:center;border-radius:12px;padding:0 16px}
  .dock-menu .nav-link.active::after{display:none}
  .dock-toggle{display:grid}
  .dock{position:relative;justify-content:space-between}
  .dock-right .btn-main{display:none}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{padding:32px 28px;gap:20px}
  .cta-inner .cta-btn{margin-left:0}
}
@media (max-width:767px){
  :root{--sp:56px}
  .container{padding:0 18px}
  .dock-wrap{padding:12px 14px 8px}
  .dock{height:56px;padding:0 14px}
  .brand-text{font-size:15px}
  .article-head h1{font-size:28px}
  .head-cover{margin-top:20px;border-radius:var(--r-md)}
  .head-cover img{aspect-ratio:16/10}
  .article-body{font-size:15.5px;line-height:1.85}
  .article-body h2{font-size:22px;margin-top:32px}
  .article-body h3{font-size:17px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .sec-head h2{font-size:23px}
  .rel-grid{grid-template-columns:1fr;gap:16px}
  .article-side{flex-direction:column}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .cta-inner{padding:26px 20px;border-radius:var(--r-md)}
  .cta-inner h2{font-size:22px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0E6B8F;
  --c-primary-dark:#0A5573;
  --c-primary-light:#E9F3F8;
  --c-accent:#E8892B;
  --c-accent-dark:#D2761D;
  --c-bg:#F5F8FA;
  --c-card:#FFFFFF;
  --c-line:#E3EBF0;
  --c-text:#1D2B36;
  --c-muted:#5E7180;
  --c-faint:#8A99A5;
  --c-success:#2E9E6B;
  --c-note:#C5831F;
  --r-xl:24px;
  --r-lg:16px;
  --r-md:12px;
  --r-pill:999px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 10px 30px rgba(14,60,80,.10);
  --sh-3:0 18px 40px rgba(14,60,80,.14);
  --container:1200px;
  --sec:96px;
  --bs-primary:#0E6B8F;
  --bs-primary-rgb:14,107,143;
  --bs-body-color:#1D2B36;
  --bs-body-bg:#F5F8FA;
  --bs-border-color:#E3EBF0;
  --bs-link-color:#0E6B8F;
  --bs-link-hover-color:#0A5573;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color 180ms ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;line-height:1.3;color:var(--c-text);}
h1{font-size:42px;font-weight:700;letter-spacing:-.5px;}
h2{font-size:30px;font-weight:600;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

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

/* ---------- 浮动 Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:1030;
  padding:0 20px;
  margin-bottom:8px;
}
.dock{
  max-width:1140px;
  margin:0 auto;
  height:64px;
  display:flex;
  align-items:center;
  gap:20px;
  background:#FFFFFF;
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-2);
  padding:0 14px 0 20px;
  transition:height 180ms ease,box-shadow 180ms ease;
}
.dock.is-scrolled{
  height:56px;
  box-shadow:0 14px 34px rgba(14,60,80,.16);
  border-bottom-color:#D8E4EB;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
  color:var(--c-text);
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  width:32px;height:32px;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  font-size:16px;
  font-weight:700;
  display:flex;align-items:center;justify-content:center;
  flex-shrink:0;
}
.brand-text{
  font-size:15.5px;
  font-weight:600;
  letter-spacing:.2px;
  white-space:nowrap;
}
.dock-menu{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:6px;
}
.dock-menu .nav-link{
  position:relative;
  display:block;
  padding:9px 12px;
  font-size:14.5px;
  color:#3C4C58;
  border-radius:10px;
  white-space:nowrap;
  transition:color 180ms ease,background-color 180ms ease;
}
.dock-menu .nav-link:hover{
  color:var(--c-primary);
  background:rgba(14,107,143,.08);
}
.dock-menu .nav-link.active{
  color:var(--c-primary);
  font-weight:600;
}
.dock-menu .nav-link.active::after{
  content:"";
  position:absolute;
  left:12px;right:12px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
}
.dock-right{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:10px;
  flex-shrink:0;
}
.icon-btn{
  width:40px;height:40px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  color:#3C4C58;
  border-radius:var(--r-md);
  cursor:pointer;
  transition:color 180ms ease,border-color 180ms ease,background-color 180ms ease;
}
.icon-btn:hover{color:var(--c-primary);border-color:#C9DAE4;background:var(--c-primary-light);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;
  padding:0 18px;
  background:var(--c-accent);
  color:#fff;
  font-size:14.5px;
  font-weight:600;
  border-radius:var(--r-md);
  transition:background-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn-main:hover{
  background:var(--c-accent-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(232,137,43,.28);
}
.dock-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border:1px solid var(--c-line);
  background:#fff;
  border-radius:var(--r-md);
  color:var(--c-text);
  cursor:pointer;
  margin-left:auto;
}

/* ---------- 面包屑 ---------- */
.crumb{
  padding:26px 0 0;
  font-size:13.5px;
  color:var(--c-faint);
}
.crumb .inner{display:flex;align-items:center;gap:8px;flex-wrap:wrap;height:40px;}
.crumb a{color:var(--c-muted);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#C3D0D9;}
.crumb .cur{color:var(--c-text);}

/* ---------- 首屏 ---------- */
.page-hero{padding:44px 0 var(--sec);}
.hero-grid{
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:56px;
  align-items:center;
}
.badge-soft{
  display:inline-flex;align-items:center;
  height:26px;
  padding:0 10px;
  border-radius:var(--r-pill);
  background:var(--c-primary-light);
  color:var(--c-primary);
  font-size:12.5px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{margin-bottom:18px;}
.hero-sub{
  font-size:16px;
  color:var(--c-muted);
  max-width:60ch;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.btn-primary-lg{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  background:var(--c-accent);
  color:#fff;
  font-size:15.5px;font-weight:600;
  border-radius:var(--r-md);
  transition:background-color 180ms ease,transform 180ms ease,box-shadow 180ms ease;
}
.btn-primary-lg:hover{
  background:var(--c-accent-dark);color:#fff;
  transform:translateY(-1px);
  box-shadow:0 12px 24px rgba(232,137,43,.26);
}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 24px;
  border:1px solid var(--c-primary);
  color:var(--c-primary);
  font-size:15.5px;font-weight:600;
  border-radius:var(--r-md);
  background:#fff;
  transition:background-color 180ms ease,color 180ms ease,transform 180ms ease;
}
.btn-ghost:hover{
  background:var(--c-primary-light);
  color:var(--c-primary-dark);
  transform:translateY(-1px);
}
.hero-metrics{
  display:flex;
  flex-wrap:wrap;
  gap:34px;
  border-top:1px solid var(--c-line);
  padding-top:22px;
}
.hero-metrics li{display:flex;flex-direction:column;gap:2px;}
.hero-metrics strong{
  font-family:"SFMono-Regular",Menlo,Consolas,monospace;
  font-size:26px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.2;
}
.hero-metrics span{font-size:13px;color:var(--c-muted);}
.hero-media{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-2);
  background:#DCE7EE;
  position:relative;
}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(14,107,143,.14),rgba(14,107,143,0) 60%);
  pointer-events:none;
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}

/* ---------- 开登前确认条 ---------- */
.prep-band{padding-bottom:var(--sec);}
.prep-inner{
  display:flex;
  align-items:center;
  gap:24px;
  flex-wrap:wrap;
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-1);
  padding:20px 26px;
}
.prep-label{
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-light);
  border-radius:var(--r-pill);
  padding:5px 12px;
  flex-shrink:0;
}
.prep-list{display:flex;flex-wrap:wrap;gap:12px 28px;}
.prep-list li{
  position:relative;
  padding-left:16px;
  font-size:14.5px;
  color:var(--c-muted);
}
.prep-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:6px;height:6px;
  border-radius:2px;
  background:var(--c-primary);
}

/* ---------- 交替图文 ---------- */
.alt-section{padding-bottom:var(--sec);}
.alt-row{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:38px 0;
}
.alt-row + .alt-row{border-top:1px solid var(--c-line);}
.alt-media{
  border-radius:20px;
  overflow:hidden;
  box-shadow:var(--sh-1);
  background:#DCE7EE;
}
.alt-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform 380ms ease;
}
.alt-media:hover img{transform:scale(1.02);}
.alt-text h2{margin-bottom:14px;}
.alt-text > p{color:var(--c-muted);font-size:15.5px;}
.point-list{margin-top:20px;display:grid;gap:10px;}
.point-list li{
  position:relative;
  padding-left:18px;
  font-size:15px;
  color:var(--c-text);
}
.point-list li::before{
  content:"";
  position:absolute;
  left:0;top:11px;
  width:7px;height:7px;
  border-radius:2px;
  background:var(--c-accent);
}
.alt-row.reverse .alt-media{order:2;}
.alt-row.reverse .alt-text{order:1;}

/* ---------- FAQ ---------- */
.faq-section{padding-bottom:var(--sec);}
.section-head{max-width:720px;margin-bottom:32px;}
.section-head p{color:var(--c-muted);font-size:15.5px;margin-top:12px;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--c-line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:box-shadow 180ms ease,border-color 180ms ease;
}
.faq-item:hover{box-shadow:var(--sh-2);}
.faq-item.open{border-color:#CBDDE7;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 24px;
  background:none;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--c-text);
  cursor:pointer;
}
.faq-q .chev{
  flex-shrink:0;
  width:26px;height:26px;
  display:flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--c-primary-light);
  color:var(--c-primary);
  transition:transform 180ms ease;
}
.faq-item.open .faq-q .chev{transform:rotate(180deg);}
.faq-a{
  display:none;
  padding:0 24px 22px;
  background:#F7FAFC;
  color:var(--c-muted);
  font-size:15px;
}
.faq-item.open .faq-a{display:block;padding-top:18px;}

/* ---------- CTA ---------- */
.cta-band{padding:0 0 var(--sec);}
.cta-inner{
  background:var(--c-primary-light);
  border-radius:var(--r-xl);
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-inner h2{font-size:26px;margin-bottom:10px;}
.cta-inner p{color:var(--c-muted);font-size:15.5px;margin:0;max-width:56ch;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:#16242E;
  color:#B7C6D0;
  padding:64px 0 26px;
  margin-top:8px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-weight:600;font-size:16px;
  margin-bottom:16px;
}
.footer-col p{font-size:14px;color:#93A6B2;line-height:1.85;margin:0;}
.footer-col h4{
  font-size:14px;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.4px;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul li a,
.footer-col ul li span{
  font-size:14px;
  color:#93A6B2;
}
.footer-col ul li a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.10);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#7F929E;
}

/* ---------- 响应式 ---------- */
@media (max-width:1399px){
  :root{--container:1160px;}
}
@media (max-width:1199px){
  h1{font-size:38px;}
  h2{font-size:27px;}
  .hero-grid{gap:40px;}
  .alt-row{gap:40px;}
}
@media (max-width:991px){
  h1{font-size:32px;}
  h2{font-size:24px;}
  :root{--sec:72px;}
  .container{padding-left:24px;padding-right:24px;}
  .dock{height:56px;padding:0 10px 0 14px;}
  .dock-toggle{display:flex;}
  .dock-menu{
    position:absolute;
    left:20px;right:20px;
    top:calc(100% + 10px);
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:18px;
    box-shadow:var(--sh-2);
    padding:10px;
    display:none;
  }
  .dock-menu.open{display:flex;}
  .dock-menu .nav-link{
    line-height:48px;
    padding:0 14px;
    font-size:15px;
  }
  .dock-menu .nav-link.active::after{display:none;}
  .dock-menu .nav-link.active{background:var(--c-primary-light);}
  .btn-main{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .hero-media img{aspect-ratio:16/10;}
  .alt-row{grid-template-columns:1fr;gap:24px;padding:30px 0;}
  .alt-row.reverse .alt-media{order:1;}
  .alt-row.reverse .alt-text{order:2;}
  .cta-inner{padding:34px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  body{font-size:15.5px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:18px;}
  .container{padding-left:18px;padding-right:18px;}
  .dock-wrap{padding:0 14px;}
  .dock-menu{left:14px;right:14px;}
  .page-hero{padding-top:30px;}
  .hero-sub{font-size:15px;}
  .hero-metrics{gap:22px;}
  .hero-metrics strong{font-size:22px;}
  .btn-primary-lg,.btn-ghost{height:46px;padding:0 20px;font-size:15px;flex:1 1 auto;}
  .hero-actions{gap:10px;}
  .prep-inner{padding:18px;}
  .prep-list{gap:10px 20px;}
  .faq-q{font-size:15.5px;padding:17px 18px;}
  .faq-a{padding:0 18px 18px;}
  .cta-inner{border-radius:14px;}
  .alt-media{border-radius:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category3 */
:root{
  --c-primary:#0E6B8F;
  --c-primary-dark:#0A5573;
  --c-primary-light:#E9F3F8;
  --c-accent:#E8892B;
  --c-accent-dark:#cf7620;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --line:#E3EBF0;
  --text:#1D2B36;
  --text-2:#5E7180;
  --text-3:#8A99A5;
  --ok:#2E9E6B;
  --warn:#C5831F;
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 2px 8px rgba(14,60,80,.06);
  --sh-2:0 10px 30px rgba(14,60,80,.10);
  --sh-3:0 18px 40px rgba(14,60,80,.14);
  --sec:96px;
  --bs-primary:#0E6B8F;
  --bs-primary-rgb:14,107,143;
  --bs-body-color:#1D2B36;
  --bs-body-bg:#F5F8FA;
  --bs-border-color:#E3EBF0;
  --bs-link-color:#0E6B8F;
  --bs-link-hover-color:#0A5573;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.3;}
h1{font-size:42px;font-weight:700;letter-spacing:-.5px;}
h2{font-size:30px;font-weight:600;}
h3{font-size:20px;font-weight:600;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:32px;padding-right:32px;margin:0 auto;width:100%;}
.section{padding:var(--sec) 0;}
.section--tight{padding-top:64px;}

/* ---------- Dock 导航 ---------- */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:1030;
  padding:0 20px;
}
.dock{
  max-width:1140px;
  margin:0 auto;
  height:64px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:var(--sh-2);
  display:flex;
  align-items:center;
  gap:18px;
  padding:0 14px 0 18px;
  transition:height .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dock.is-scrolled{
  height:56px;
  box-shadow:var(--sh-3);
  border-bottom-color:#d5e2ea;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none;}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;flex:0 0 auto;
}
.brand-text{font-size:15.5px;font-weight:600;color:var(--text);white-space:nowrap;}
.dock-menu{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link{
  color:#3C4C58;
  font-size:14.5px;
  padding:8px 12px;
  border-radius:10px;
  position:relative;
  white-space:nowrap;
  transition:color .18s ease,background-color .18s ease;
}
.nav-link:hover{color:var(--c-primary);background:rgba(14,107,143,.08);text-decoration:none;}
.nav-link.active{color:var(--c-primary);font-weight:600;}
.nav-link.active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.dock-right{display:flex;align-items:center;gap:10px;flex:0 0 auto;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:flex;align-items:center;justify-content:center;
  transition:all .18s ease;cursor:pointer;
}
.icon-btn:hover{color:var(--c-primary);border-color:#cfe0e8;background:var(--c-primary-light);}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;border-radius:12px;
  background:var(--c-accent);color:#fff;font-size:14.5px;font-weight:600;
  transition:all .18s ease;white-space:nowrap;text-decoration:none;
}
.btn-main:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none;}
.dock-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text);align-items:center;justify-content:center;cursor:pointer;
}

/* ---------- 面包屑 ---------- */
.crumb-bar{padding:26px 0 0;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:var(--text-3);line-height:40px;}
.crumb a{color:var(--text-2);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#C7D4DC;}

/* ---------- 页首 Banner ---------- */
.page-hero{padding:24px 0 0;}
.hero-panel{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background-image:linear-gradient(100deg,rgba(10,60,80,.86),rgba(14,107,143,.62)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  color:#fff;padding:56px 48px;
  display:grid;grid-template-columns:1.35fr 1fr;gap:40px;align-items:center;
  box-shadow:var(--sh-2);
}
.hero-copy .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:999px;
  background:rgba(255,255,255,.18);color:#fff;font-size:12.5px;margin-bottom:16px;
}
.hero-panel h1{color:#fff;font-size:36px;}
.hero-panel .lede{margin-top:16px;color:rgba(255,255,255,.9);font-size:16px;max-width:620px;}
.hero-figure img{border-radius:var(--r-md);aspect-ratio:4/3;object-fit:cover;width:100%;background:#dfeaf0;}

/* ---------- 通用区块标题 ---------- */
.sec-head{max-width:760px;margin:0 0 32px;}
.sec-head .tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary);font-size:12.5px;font-weight:600;margin-bottom:14px;
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{color:var(--text-2);font-size:15.5px;}

/* ---------- 清单卡 ---------- */
.checklist-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  padding:28px 26px;box-shadow:var(--sh-1);transition:box-shadow .18s ease,transform .18s ease;
}
.check-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px);}
.check-card .head{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.check-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;flex:0 0 auto;
}
.check-icon.ok{background:rgba(46,158,107,.12);color:var(--ok);}
.check-icon.warn{background:rgba(197,131,31,.14);color:var(--warn);}
.check-card h3{font-size:19px;}
.check-list li{
  display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line);font-size:15px;color:var(--text-2);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0;}
.check-list li strong{display:block;color:var(--text);font-weight:600;font-size:15px;margin-bottom:2px;}
.dot{width:8px;height:8px;border-radius:2px;background:var(--c-primary);flex:0 0 auto;margin-top:11px;}
.dot.amber{background:var(--c-accent);}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-1);overflow-x:auto;
}
table.cmp{width:100%;border-collapse:collapse;min-width:720px;}
table.cmp caption{
  caption-side:top;text-align:left;padding:20px 24px 4px;font-size:13px;color:var(--text-3);
}
table.cmp th,table.cmp td{padding:16px 24px;text-align:left;font-size:14.5px;border-bottom:1px solid var(--line);vertical-align:top;}
table.cmp thead th{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:600;font-size:14px;border-bottom:1px solid #d3e6ef;}
table.cmp tbody tr{transition:background-color .18s ease;}
table.cmp tbody tr:hover{background:#F7FAFC;}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp td strong{color:var(--text);}
.pill{display:inline-block;height:26px;line-height:26px;padding:0 10px;border-radius:999px;
  background:var(--c-primary-light);color:var(--c-primary-dark);font-size:12.5px;font-weight:600;}
.pill.amber{background:rgba(232,137,43,.14);color:#a85f12;}

/* ---------- 提示框 ---------- */
.tip-box{
  margin-top:28px;background:#FFFBF5;border-left:4px solid var(--c-accent);border-radius:var(--r-sm);
  padding:22px 24px;display:flex;gap:16px;align-items:flex-start;box-shadow:var(--sh-1);
}
.tip-box .tip-icon{color:var(--c-accent);flex:0 0 auto;margin-top:2px;}
.tip-box h3{font-size:17px;margin-bottom:8px;}
.tip-box p{font-size:14.5px;color:var(--text-2);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-sm);
  overflow:hidden;box-shadow:var(--sh-1);
}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 24px;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:16px;font-weight:600;color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--c-primary);}
.faq-item .chev{transition:transform .18s ease;color:var(--c-primary);flex:0 0 auto;}
.faq-item[open] .chev{transform:rotate(180deg);}
.faq-body{padding:0 24px 22px;background:#F7FAFC;color:var(--text-2);font-size:15px;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary-light);border-radius:var(--r-lg);
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-band h2{margin-bottom:10px;font-size:26px;}
.cta-band p{color:var(--text-2);font-size:15px;margin:0;}
.btn-cta{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 26px;border-radius:12px;
  background:var(--c-accent);color:#fff;font-weight:600;font-size:15.5px;transition:all .18s ease;text-decoration:none;
}
.btn-cta:hover{background:var(--c-accent-dark);color:#fff;transform:translateY(-1px);text-decoration:none;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;height:48px;padding:0 24px;border-radius:12px;
  border:1px solid var(--c-primary);color:var(--c-primary);font-weight:600;font-size:15.5px;background:transparent;
  transition:all .18s ease;text-decoration:none;
}
.btn-ghost:hover{background:#fff;color:var(--c-primary-dark);transform:translateY(-1px);text-decoration:none;}

/* ---------- 页脚 ---------- */
.site-footer{background:#16242E;color:#C6D3DC;margin-top:var(--sec);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:600;font-size:15.5px;margin-bottom:14px;}
.footer-col p{color:#93A5B1;font-size:14px;line-height:1.8;max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-col ul li{margin-bottom:10px;font-size:14px;color:#93A5B1;}
.footer-col ul li a{color:#93A5B1;}
.footer-col ul li a:hover{color:var(--c-accent);text-decoration:none;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.08);padding:20px 0;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:#7C8D99;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:38px;}
  h2{font-size:28px;}
  .hero-panel h1{font-size:32px;}
  .container{padding-left:24px;padding-right:24px;}
  :root{--sec:72px;}
}
@media (max-width:991px){
  .dock-menu{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    background:#fff;border:1px solid var(--line);border-radius:18px;box-shadow:var(--sh-2);
    flex-direction:column;align-items:stretch;padding:10px;gap:2px;
    display:none;
  }
  .dock-menu.open{display:flex;}
  .nav-link{height:48px;display:flex;align-items:center;padding:0 14px;border-radius:12px;}
  .nav-link.active::after{display:none;}
  .nav-link.active{background:var(--c-primary-light);}
  .dock-toggle{display:flex;margin-left:auto;}
  .dock-right .icon-btn{display:none;}
  .dock{position:relative;}
  .hero-panel{grid-template-columns:1fr;padding:44px 32px;}
  .checklist-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--sec:56px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  body{font-size:15.5px;}
  .container{padding-left:18px;padding-right:18px;}
  .dock-wrap{top:12px;padding:0 12px;}
  .dock{height:56px;padding:0 10px 0 14px;gap:10px;}
  .brand-text{font-size:14.5px;}
  .hero-panel{padding:32px 22px;border-radius:18px;}
  .hero-panel h1{font-size:27px;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{padding-top:48px;}
  .check-card,.tip-box{padding:20px 18px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-body{padding:0 18px 18px;}
  table.cmp th,table.cmp td{padding:14px 16px;}
}
@media (max-width:520px){
  .brand-text{max-width:130px;overflow:hidden;text-overflow:ellipsis;}
  .btn-main{padding:0 14px;font-size:14px;}
  .dock-right{gap:8px;}
}

/* roulang page: category2 */
:root{
  --brand:#0E6B8F;
  --brand-dark:#0A5573;
  --brand-light:#E9F3F8;
  --accent:#E8892B;
  --accent-dark:#D07718;
  --bg:#F5F8FA;
  --card:#FFFFFF;
  --line:#E3EBF0;
  --text:#1D2B36;
  --muted:#5E7180;
  --weak:#8A99A5;
  --success:#2E9E6B;
  --warn:#C5831F;
  --r-xl:24px;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh1:0 2px 8px rgba(14,60,80,.06);
  --sh2:0 10px 30px rgba(14,60,80,.10);
  --sh3:0 18px 40px rgba(14,60,80,.14);
  --sect:96px;
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Courier New",monospace;
}

*,*::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:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;background:#EDF2F5;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);line-height:1.3;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:1200px !important;
  margin:0 auto;
  padding-left:32px !important;
  padding-right:32px !important;
}

/* ============ Dock 导航 ============ */
.dock-wrap{
  position:sticky;
  top:16px;
  z-index:200;
  padding:0 20px;
}
.dock{
  position:relative;
  max-width:1140px;
  margin:0 auto;
  height:64px;
  padding:0 12px 0 18px;
  background:#FFFFFF;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh2);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  transition:height .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.dock.shrink{
  height:56px;
  box-shadow:var(--sh3);
  border-color:#D9E3EA;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  text-decoration:none;
  flex:0 0 auto;
}
.brand:hover{text-decoration:none;}
.brand-mark{
  width:36px;height:36px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);
  color:#fff;
  font-size:16px;
  font-weight:700;
  border-radius:12px;
  flex:0 0 auto;
}
.brand-text{
  font-size:16px;
  font-weight:700;
  color:var(--brand-dark);
  letter-spacing:-.2px;
  white-space:nowrap;
}
.dock-menu{
  display:flex;
  align-items:center;
  gap:2px;
  flex:1 1 auto;
  justify-content:center;
}
.dock .nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 14px;
  font-size:15px;
  color:#3C4C58;
  border-radius:var(--r-pill);
  background:transparent;
  transition:color .18s ease,background .18s ease;
  white-space:nowrap;
}
.dock .nav-link:hover{
  color:var(--brand);
  background:rgba(14,107,143,.08);
  text-decoration:none;
}
.dock .nav-link.active{
  color:var(--brand);
  font-weight:600;
}
.dock .nav-link.active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:2px;
  transform:translateX(-50%);
  width:22px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
}
.dock-right{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.icon-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  color:var(--muted);
  cursor:pointer;
  transition:all .18s ease;
}
.icon-btn:hover{
  color:var(--brand);
  border-color:rgba(14,107,143,.4);
  background:var(--brand-light);
}
.btn-main{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  background:var(--accent);
  color:#fff;
  font-size:15px;
  font-weight:600;
  border:none;
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:all .18s ease;
  white-space:nowrap;
}
.btn-main:hover{
  background:var(--accent-dark);
  color:#fff;
  text-decoration:none;
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(232,137,43,.28);
}
.dock .btn-main{
  height:40px;
  padding:0 18px;
  font-size:14px;
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  height:44px;
  padding:0 22px;
  background:#fff;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  border:1px solid var(--brand);
  border-radius:var(--r-sm);
  cursor:pointer;
  transition:all .18s ease;
}
.btn-ghost:hover{
  background:var(--brand-light);
  color:var(--brand-dark);
  text-decoration:none;
  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:var(--r-sm);
  color:var(--muted);
  cursor:pointer;
}

/* ============ 面包屑 ============ */
.crumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  height:40px;
  font-size:13.5px;
  color:var(--weak);
  margin-bottom:8px;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#C4D0D8;}

/* ============ 页头 ============ */
.page-hero{
  padding:32px 0 24px;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.1fr .9fr;
  gap:48px;
  align-items:center;
}
.badge-soft{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  border-radius:var(--r-pill);
  margin-bottom:16px;
}
.page-hero h1{
  font-size:42px;
  font-weight:700;
  letter-spacing:-.5px;
  margin-bottom:18px;
}
.lead{
  font-size:17px;
  color:var(--muted);
  max-width:560px;
  margin-bottom:0;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--r-xl);
  box-shadow:var(--sh2);
}

/* ============ 通用板块 ============ */
.section{
  padding:var(--sect) 0;
}
.section-head{
  max-width:720px;
  margin-bottom:44px;
}
.eyebrow{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:1px;
  color:var(--accent);
  margin-bottom:10px;
}
.section-head h2{
  font-size:30px;
  font-weight:600;
  margin-bottom:14px;
}
.section-sub{
  font-size:16px;
  color:var(--muted);
  margin-bottom:0;
}

/* ============ 时间线 ============ */
.timeline{
  list-style:none;
  position:relative;
  margin-top:8px;
}
.tl-item{
  position:relative;
  display:grid;
  grid-template-columns:44px 1fr;
  gap:24px;
  padding-bottom:24px;
}
.tl-item::before{
  content:"";
  position:absolute;
  left:21px;
  top:26px;
  bottom:-6px;
  width:2px;
  background:linear-gradient(180deg,rgba(14,107,143,.35),rgba(14,107,143,.12));
}
.tl-item:last-child{padding-bottom:0;}
.tl-item:last-child::before{display:none;}
.tl-dot{
  position:relative;
  z-index:1;
  width:12px;height:12px;
  margin:22px auto 0;
  border-radius:50%;
  background:var(--brand);
  box-shadow:0 0 0 5px rgba(14,107,143,.12);
}
.tl-body{
  background:var(--card);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.tl-body:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh3);
}
.tl-num{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  min-width:34px;
  height:26px;
  padding:0 10px;
  background:rgba(232,137,43,.14);
  color:var(--accent-dark);
  font-family:var(--mono);
  font-size:13px;
  font-weight:700;
  border-radius:var(--r-pill);
  margin-bottom:12px;
}
.tl-body h3{
  font-size:20px;
  font-weight:600;
  margin-bottom:8px;
}
.tl-body p{
  color:var(--muted);
  font-size:15.5px;
  margin-bottom:0;
}

/* ============ 指标带 ============ */
.metrics{
  background:var(--brand-light);
  padding:56px 0;
}
.metric-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:32px;
}
.metric{
  padding-left:20px;
  border-left:2px solid rgba(14,107,143,.25);
}
.metric-num{
  display:block;
  font-family:var(--mono);
  font-size:34px;
  font-weight:700;
  color:var(--brand-dark);
  line-height:1.2;
  letter-spacing:-.5px;
}
.metric-label{
  display:block;
  margin-top:6px;
  font-size:14px;
  color:var(--muted);
}

/* ============ 提醒区 ============ */
.watch-grid{
  display:grid;
  grid-template-columns:1.35fr 1fr;
  gap:24px;
  align-items:stretch;
}
.watch-main{
  background:var(--card);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh1);
  transition:transform .18s ease,box-shadow .18s ease;
  display:flex;
  flex-direction:column;
}
.watch-main:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.watch-main img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
}
.watch-main-body{
  padding:28px;
}
.watch-main-body h3{
  font-size:22px;
  font-weight:600;
  margin-bottom:12px;
}
.watch-main-body p{
  color:var(--muted);
  font-size:15.5px;
  margin-bottom:0;
}
.watch-side{
  display:flex;
  flex-direction:column;
  gap:24px;
}
.watch-card{
  flex:1;
  background:var(--card);
  border-radius:var(--r-md);
  padding:24px;
  box-shadow:var(--sh1);
  transition:transform .18s ease,box-shadow .18s ease;
}
.watch-card:hover{transform:translateY(-4px);box-shadow:var(--sh3);}
.watch-card h3{
  font-size:18px;
  font-weight:600;
  margin-bottom:10px;
}
.watch-card p{
  font-size:15px;
  color:var(--muted);
  margin-bottom:14px;
}
.stat{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  background:var(--brand-light);
  color:var(--brand);
  font-size:12.5px;
  font-weight:600;
  border-radius:var(--r-pill);
}

/* ============ FAQ ============ */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:var(--card);
  border-radius:var(--r-sm);
  box-shadow:var(--sh1);
  overflow:hidden;
  transition:box-shadow .18s ease;
}
.faq-item:hover{box-shadow:var(--sh2);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
  padding:22px 26px;
  background:transparent;
  border:0;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
  transition:color .18s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q svg{
  flex:0 0 auto;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-item.open .faq-q svg{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:#F7FAFC;
}
.faq-item.open .faq-a{max-height:420px;}
.faq-a-inner{
  padding:20px 26px 24px;
  font-size:15.5px;
  color:var(--muted);
}

/* ============ CTA ============ */
.cta-section{
  padding-bottom:var(--sect);
}
.cta-band{
  background:var(--brand-light);
  border-radius:var(--r-xl);
  padding:48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{
  font-size:26px;
  font-weight:600;
  margin-bottom:10px;
}
.cta-band p{
  color:var(--muted);
  font-size:15.5px;
  margin-bottom:0;
  max-width:620px;
}

/* ============ 页脚 ============ */
.site-footer{
  background:#16242E;
  color:#C3D1DA;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  color:#fff;
  font-size:16px;
  font-weight:700;
  margin-bottom:16px;
}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.12);
  color:#fff;
}
.footer-col p{
  font-size:14px;
  color:#94A7B4;
  line-height:1.9;
  margin-bottom:0;
}
.footer-col h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:16px;
}
.footer-col ul{
  list-style:none;
  display:flex;
  flex-direction:column;
  gap:10px;
}
.footer-col ul li a,
.footer-col ul li span{
  font-size:14px;
  color:#A8BAC6;
}
.footer-col ul li a:hover{
  color:var(--accent);
  text-decoration:none;
}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:#8296A3;
}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .page-hero h1{font-size:38px;}
  .section-head h2{font-size:28px;}
}
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .page-hero h1{font-size:34px;}
  .section-head h2{font-size:26px;}
}
@media (max-width:991px){
  :root{--sect:72px;}
  .dock{
    height:56px;
    border-radius:18px;
    padding:0 12px;
  }
  .dock-toggle{display:inline-flex;}
  .dock-right{display:none;}
  .dock-menu{
    position:absolute;
    top:calc(100% + 10px);
    left:0;
    right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:8px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--sh2);
  }
  .dock.open .dock-menu{display:flex;}
  .dock .nav-link{
    height:48px;
    padding:0 16px;
    border-radius:12px;
    font-size:15.5px;
  }
  .dock .nav-link.active::after{display:none;}
  .dock .nav-link.active{background:rgba(14,107,143,.08);}
  .hero-grid{grid-template-columns:1fr;gap:32px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .metric-grid{grid-template-columns:repeat(2,1fr);gap:28px;}
  .watch-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .cta-band{padding:36px;}
}
@media (max-width:767px){
  :root{--sect:56px;}
  .container{padding-left:18px !important;padding-right:18px !important;}
  .dock-wrap{top:12px;padding:0 12px;}
  .page-hero{padding:20px 0 12px;}
  .page-hero h1{font-size:28px;}
  .lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .btn-main,.btn-ghost{height:44px;padding:0 18px;font-size:14.5px;}
  .section-head{margin-bottom:32px;}
  .section-head h2{font-size:23px;}
  .tl-item{grid-template-columns:28px 1fr;gap:14px;}
  .tl-item::before{left:13px;}
  .tl-dot{margin-top:20px;}
  .tl-body{padding:20px;border-radius:14px;}
  .tl-body h3{font-size:18px;}
  .metrics{padding:40px 0;}
  .metric-num{font-size:28px;}
  .watch-main-body,
  .watch-card{padding:20px;}
  .faq-q{padding:18px 20px;font-size:15.5px;}
  .faq-a-inner{padding:16px 20px 20px;font-size:15px;}
  .cta-band{padding:28px;border-radius:18px;}
  .cta-band h2{font-size:21px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:36px;}
  .site-footer{padding-top:48px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
}
@media (max-width:520px){
  .hero-actions .btn-main,
  .hero-actions .btn-ghost{width:100%;}
  .metric-grid{grid-template-columns:1fr;gap:20px;}
}