/* roulang page: index */
:root{
  --deep:#072B4F;
  --brand:#1266B8;
  --brand-soft:#EAF3FB;
  --orange:#F26A2E;
  --orange-dark:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --section:#EDF4FA;
  --text:#0E1B2A;
  --muted:#586A7E;
  --line:#DDE7F1;
  --ok:#168A5B;
  --warn:#B7791F;
  --err:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --shadow:0 10px 30px rgba(10,45,80,.08);
  --shadow-hover:0 18px 44px rgba(10,45,80,.14);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
svg{display:block}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,45,80,.08)}
.header-inner{display:flex;align-items:center;gap:18px;height:76px}
.logo{display:inline-flex;align-items:center;gap:10px;font-size:20px;font-weight:700;color:var(--deep);letter-spacing:0}
.logo-mark{
  width:34px;height:34px;border-radius:9px;background:var(--deep);
  display:grid;place-items:center;flex:none;overflow:hidden;position:relative;
}
.logo-mark::after{
  content:"";position:absolute;right:-6px;bottom:-6px;width:22px;height:22px;
  border:2px solid rgba(255,255,255,.35);border-radius:50%;
}
.logo-mark svg{color:#fff;position:relative;z-index:1}
.nav-pill{
  display:flex;align-items:center;gap:2px;margin:0 auto;
  background:var(--bg);border:1px solid var(--line);border-radius:999px;padding:5px;
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 14px;border-radius:999px;font-size:14px;font-weight:500;
  color:var(--muted);white-space:nowrap;transition:color .18s,background .18s;
}
.nav-link:hover{color:var(--brand);background:#fff}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-link.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--orange);flex:none;
}
.header-cta{flex:none}
.menu-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  align-items:center;justify-content:center;color:var(--deep);flex:none;background:#fff;
  transition:background .18s,border-color .18s;
}
.menu-toggle:hover{background:var(--brand-soft);border-color:#C9DFF3}

/* mobile drawer */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  transform:translateX(100%);transition:transform .26s ease;
  display:flex;flex-direction:column;padding:18px 20px 0;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  display:grid;place-items:center;color:var(--deep);background:#fff;
}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:#8698AB;font-weight:600;margin:22px 0 8px}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:500;color:var(--text);
  padding:13px 4px;border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand)}
.drawer-link.is-active::after{content:"";width:7px;height:7px;border-radius:50%;background:var(--orange)}
.drawer-foot{margin-top:auto;padding:20px 0 24px;position:sticky;bottom:0;background:#fff}
.drawer-foot .btn{width:100%}
body.is-locked{overflow:hidden}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s,color .18s,box-shadow .18s,transform .18s,border-color .18s;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff}
.btn-primary:hover{background:var(--orange-dark);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)}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55)}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.5;pointer-events:none}
.btn-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);background:none;padding:0;
}
.btn-link svg{transition:transform .18s}
.btn-link:hover svg{transform:translateX(4px)}
.btn-link:hover{color:#0E4F92}

/* ---------- hero ---------- */
.hero{
  position:relative;background:var(--deep);color:#fff;overflow:hidden;
  padding:70px 0 104px;
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.35;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-160px;width:620px;height:620px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(18,102,184,.08),rgba(18,102,184,0) 62%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;
  background:rgba(234,243,251,.14);color:#CDE4F7;font-size:12px;letter-spacing:.08em;font-weight:500;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange)}
.hero h1{
  font-size:46px;line-height:1.2;font-weight:700;letter-spacing:0;
  color:#fff;margin:20px 0 18px;max-width:640px;text-wrap:balance;
}
.hero-sub{font-size:17px;line-height:1.85;color:#BFD5E8;max-width:620px}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap}
.hero-points{
  display:flex;gap:26px;flex-wrap:wrap;margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
}
.point{display:flex;align-items:center;gap:8px;font-size:13px;color:#BFD5E8}
.point svg{color:#7FC3F0;flex:none}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 60px rgba(0,0,0,.35);background:#0C3A64;
}
.hero-media img{width:100%;height:390px;object-fit:cover}
.hero-data-card{
  position:absolute;left:18px;bottom:18px;right:18px;max-width:250px;
  background:#fff;color:var(--text);border-radius:14px;padding:14px 16px;
  box-shadow:0 18px 44px rgba(0,0,0,.28);
}
.hero-data-card .hd-label{font-size:12px;letter-spacing:.04em;color:#8698AB;font-weight:600;margin-bottom:8px}
.hd-row{display:flex;align-items:center;justify-content:space-between;font-size:13px;padding:4px 0;color:var(--muted)}
.hd-row strong{color:var(--deep);font-weight:600;font-variant-numeric:tabular-nums}
.hd-bar{height:6px;border-radius:999px;background:#EAF0F6;overflow:hidden;margin-top:10px}
.hd-bar span{display:block;height:100%;width:72%;border-radius:999px;background:linear-gradient(90deg,var(--brand),#4E9BDD)}

/* ---------- sections ---------- */
.section{padding:96px 0}
.section-tight{padding:72px 0}
.section-alt{background:var(--section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow-dark{font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;margin-bottom:10px}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--deep)}
.section-desc{font-size:15px;color:var(--muted);margin-top:10px;max-width:660px}

/* ---------- KPI ---------- */
.kpi-wrap{position:relative;z-index:5;margin-top:-58px}
.kpi-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.kpi-card{
  background:#fff;border:1px solid var(--line);border-top:3px solid var(--brand);
  border-radius:var(--r-card);padding:22px;box-shadow:var(--shadow);
  transition:box-shadow .18s;
}
.kpi-card:hover{box-shadow:var(--shadow-hover)}
.kpi-num{font-size:38px;line-height:1.15;font-weight:700;color:var(--deep);font-variant-numeric:tabular-nums}
.kpi-label{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.6}
.kpi-trend{
  display:inline-block;margin-top:12px;font-size:12px;padding:3px 10px;border-radius:999px;
  background:#EAF7F1;color:var(--ok);font-weight:600;
}
.kpi-trend.orange{background:#FDEDE6;color:var(--orange-dark)}

/* ---------- bento ---------- */
.bento{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow);display:block;color:inherit;
}
.card-link{transition:transform .18s,box-shadow .18s,border-color .18s}
.card-link:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DFF3}
.card-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;margin-bottom:18px;
}
.card h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--deep);margin-bottom:10px}
.card p{font-size:14px;color:var(--muted);line-height:1.8}
.card .btn-link{margin-top:16px}
.card-media{border-radius:14px;overflow:hidden;background:var(--section)}
.card-media img{width:100%;height:210px;object-fit:cover}
.bento-7{grid-column:span 7}
.bento-5{grid-column:span 5}
.bento-3{grid-column:span 3}
.bento-4{grid-column:span 4}
.card-wide{display:grid;grid-template-columns:1.15fr .85fr;gap:24px;align-items:center}
.card-wide .card-media img{height:230px}

/* ---------- compare ---------- */
.compare{display:grid;grid-template-columns:1fr 64px 1fr;gap:20px;align-items:stretch}
.compare-card{border-radius:var(--r-card);padding:26px;border:1px solid var(--line);background:#fff}
.compare-after{background:var(--brand-soft);border-color:#C9DFF3}
.compare-head{font-size:14px;font-weight:700;color:var(--deep);letter-spacing:.02em;margin-bottom:20px;display:flex;align-items:center;gap:8px}
.compare-head .tag{font-size:12px;font-weight:600;padding:2px 10px;border-radius:999px;background:#EDF1F5;color:#6C7F92}
.compare-after .tag{background:#fff;color:var(--brand)}
.compare-row + .compare-row{margin-top:18px}
.compare-row .row-top{display:flex;align-items:baseline;justify-content:space-between;gap:12px;font-size:13px;color:var(--muted)}
.compare-row .row-top strong{color:var(--deep);font-size:13px;font-weight:600}
.bar{height:8px;border-radius:999px;background:#E3EBF3;overflow:hidden;margin-top:8px}
.bar span{display:block;height:100%;border-radius:999px;background:#B7C6D6}
.compare-after .bar{background:#D6E7F6}
.compare-after .bar span{background:var(--brand)}
.compare-arrow{display:grid;place-items:center;color:var(--orange)}
.compare-note{font-size:13px;color:#7A8CA0;margin-top:20px}

/* ---------- flow ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--shadow)}
.flow-num{font-size:12px;font-weight:700;letter-spacing:.08em;color:var(--orange);margin-bottom:10px}
.flow-step h3{font-size:17px;font-weight:600;color:var(--deep);margin-bottom:8px}
.flow-step p{font-size:14px;color:var(--muted);line-height:1.75}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:7fr 5fr;gap:24px;align-items:start}
.news-main{
  display:block;color:inherit;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .18s,box-shadow .18s,border-color .18s;
}
.news-main:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#C9DFF3}
.news-main .thumb{aspect-ratio:16/9;background:var(--section);overflow:hidden}
.news-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s}
.news-main:hover .thumb img{transform:scale(1.03)}
.news-body{padding:24px 26px 26px}
.badge{display:inline-block;font-size:12px;padding:4px 12px;border-radius:999px;background:var(--brand-soft);color:var(--brand);font-weight:600}
.news-title{font-size:20px;font-weight:600;color:var(--deep);line-height:1.45;margin:12px 0 10px}
.news-excerpt{font-size:14px;color:var(--muted);line-height:1.8}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:#7A8CA0;margin-top:16px;flex-wrap:wrap}
.news-meta .sep{width:4px;height:4px;border-radius:50%;background:#C3D1DE}
.news-list{display:flex;flex-direction:column;gap:14px}
.news-item{
  display:block;color:inherit;background:#fff;border:1px solid var(--line);
  border-radius:14px;padding:18px 20px;transition:transform .18s,box-shadow .18s,border-color .18s;
}
.news-item:hover{transform:translateY(-2px);box-shadow:var(--shadow);border-color:#C9DFF3}
.news-item h4{font-size:16px;font-weight:600;color:var(--deep);line-height:1.5;margin-bottom:6px}
.news-item p{font-size:13px;color:var(--muted);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item .news-meta{margin-top:10px}
.news-item .go{color:var(--brand);display:inline-flex;align-items:center;gap:4px;font-size:13px;font-weight:600}
.empty{
  grid-column:1/-1;border:1px dashed #C3D5E5;border-radius:var(--r-card);
  background:#fff;padding:52px 24px;text-align:center;
}
.empty .empty-icon{
  width:52px;height:52px;border-radius:14px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;margin:0 auto 16px;
}
.empty p{font-size:15px;color:var(--muted)}
.empty .btn-link{margin-top:14px}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.faq-aside p{font-size:15px;color:var(--muted);margin-top:12px;max-width:380px}
.faq-aside .btn-link{margin-top:20px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:18px 0;font-size:16px;font-weight:600;color:var(--deep);
  transition:color .18s;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{position:relative;width:22px;height:22px;flex:none;color:var(--brand)}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:currentColor;border-radius:2px;transition:transform .2s,opacity .2s}
.faq-icon::before{left:0;top:10px;width:22px;height:2px}
.faq-icon::after{left:10px;top:0;width:2px;height:22px}
.faq-item[open] .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-answer{padding:0 40px 20px 0;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.form-aside ul{margin-top:22px;display:flex;flex-direction:column;gap:14px}
.form-aside li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);line-height:1.75}
.form-aside li svg{color:var(--brand);flex:none;margin-top:6px}
.form-note{font-size:13px;color:#7A8CA0;margin-top:22px;line-height:1.8;padding-top:18px;border-top:1px solid var(--line)}
.form-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:30px;box-shadow:var(--shadow)}
.form-row{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.field{margin-bottom:18px}
.field label{display:block;font-size:14px;font-weight:600;color:var(--deep);margin-bottom:8px}
.field input,.field select,.field textarea{
  width:100%;height:48px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 14px;font:inherit;font-size:15px;color:var(--text);background:#fff;
  transition:border-color .18s,box-shadow .18s;
}
.field textarea{height:120px;padding:12px 14px;line-height:1.7;resize:vertical}
.field select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' width='14' height='14' viewBox='0 0 24 24' fill='none' stroke='%23586A7E' stroke-width='2' stroke-linecap='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;padding-right:38px}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,102,184,.16);
}
.field.has-error input,.field.has-error select,.field.has-error textarea{border-color:var(--err)}
.err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px}
.field.has-error .err-msg{display:block}
.checkbox-row{display:flex;gap:10px;align-items:flex-start;font-size:13px;color:var(--muted);line-height:1.7}
.checkbox-row input[type="checkbox"]{width:18px;height:18px;flex:none;margin-top:4px;padding:0;accent-color:var(--brand);height:18px}
.form-card .btn-primary{width:100%;margin-top:6px}
.form-success{
  display:none;background:#EAF7F1;border:1px solid #BFE6D3;border-radius:var(--r-card);
  padding:44px 28px;text-align:center;
}
.form-success .ok-icon{
  width:56px;height:56px;border-radius:50%;background:#fff;color:var(--ok);
  display:grid;place-items:center;margin:0 auto 16px;border:1px solid #BFE6D3;
}
.form-success h3{font-size:20px;font-weight:600;color:#0F5C3E;margin-bottom:10px}
.form-success p{font-size:15px;color:#2F6B54;line-height:1.8}
.form-success .btn-link{margin-top:18px}

/* ---------- cta band ---------- */
.cta-band{background:var(--deep);color:#fff;border-radius:22px;padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:26px solid rgba(255,255,255,.06);pointer-events:none;
}
.cta-band h2{font-size:26px;line-height:1.35;font-weight:700;color:#fff;position:relative;z-index:1}
.cta-band p{font-size:15px;color:#BFD5E8;margin-top:8px;position:relative;z-index:1;max-width:620px}
.cta-band .cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#DCE9F5;padding-top:64px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-mark{background:rgba(255,255,255,.12)}
.footer-desc{font-size:14px;line-height:1.8;color:#9FBBD4;margin-top:16px;max-width:330px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col a{display:block;font-size:14px;color:#9FBBD4;padding:6px 0;transition:color .18s}
.footer-col a:hover{color:#fff}
.footer-info{font-size:14px;color:#9FBBD4;line-height:1.9}
.footer-info strong{color:#DCE9F5;font-weight:600}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  font-size:13px;color:#7E9CB8;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1040px}
  .hero-grid{grid-template-columns:6fr 6fr;gap:36px}
  .hero h1{font-size:42px}
  .nav-link{padding:8px 11px;font-size:13px}
}
@media (max-width:1023px){
  .nav-pill{display:none}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .header-cta{display:none}
  .hero{padding:56px 0 88px}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero h1{font-size:36px}
  .hero-media img{height:320px}
  .hero-data-card{position:static;max-width:none;margin:-56px 16px 0;border-radius:14px}
  .kpi-wrap{margin-top:-40px}
  .kpi-grid{grid-template-columns:repeat(2,1fr)}
  .section{padding:72px 0}
  .section-title{font-size:26px}
  .bento-7,.bento-5,.bento-3,.bento-4{grid-column:span 12}
  .card-wide{grid-template-columns:1fr}
  .compare{grid-template-columns:1fr;gap:14px}
  .compare-arrow{transform:rotate(90deg);padding:4px 0}
  .flow{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:1fr}
  .faq-grid,.form-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .cta-band{padding:34px 28px}
  .site-footer{margin-top:72px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .hero h1{font-size:31px}
  .hero-sub{font-size:16px}
  .hero-actions .btn{flex:1 1 auto}
  .section{padding:52px 0}
  .section-title{font-size:24px}
  .kpi-grid{grid-template-columns:1fr 1fr;gap:14px}
  .kpi-card{padding:18px}
  .kpi-num{font-size:30px}
  .card{padding:20px}
  .flow{grid-template-columns:1fr}
  .form-row{grid-template-columns:1fr}
  .form-card{padding:22px}
  .cta-band h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .news-body{padding:20px}
}
@media (max-width:520px){
  .hero-actions{flex-direction:column}
  .hero-actions .btn{width:100%}
  .hero-points{gap:14px;flex-direction:column}
  .footer-grid{grid-template-columns:1fr}
  .compare-card{padding:20px}
  .kpi-grid{grid-template-columns:1fr}
  .news-main .thumb{aspect-ratio:4/3}
}
img.is-broken{opacity:0}

/* roulang page: article */
:root{
  --brand-deep:#072B4F;
  --brand:#1266B8;
  --brand-soft:#3E8FD4;
  --brand-light:#EAF3FB;
  --accent:#F26A2E;
  --accent-dark:#D94F12;
  --cyan:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --section:#EDF4FA;
  --text:#0E1B2A;
  --muted:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warn:#B7791F;
  --error:#C0392B;
  --r-lg:18px;
  --r-md:12px;
  --r-sm:10px;
  --shadow:0 10px 30px rgba(10,45,80,.08);
  --shadow-hover:0 18px 44px rgba(10,45,80,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(10,45,80,.09)}
.header-inner{height:76px;display:flex;align-items:center;gap:20px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;letter-spacing:.01em;
  color:var(--brand-deep);flex:0 0 auto;
}
.logo-mark{
  width:32px;height:32px;border-radius:10px;
  background:linear-gradient(150deg,var(--brand),#0B4C8C);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(18,102,184,.28);
}
.nav-pill{
  margin-left:auto;display:flex;align-items:center;gap:2px;
  background:var(--section);border-radius:999px;padding:5px;
}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:14.5px;color:#2b3f55;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:#fff;color:var(--brand)}
.nav-link.is-active{
  background:#fff;color:var(--brand);font-weight:600;
  padding-left:22px;position:relative;
  box-shadow:0 2px 10px rgba(10,45,80,.08);
}
.nav-link.is-active::before{
  content:"";position:absolute;left:10px;top:50%;
  width:6px;height:6px;border-radius:50%;
  background:var(--accent);transform:translateY(-50%);
}
.header-cta{flex:0 0 auto;height:42px;padding:0 20px;font-size:14.5px}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  align-items:center;justify-content:center;gap:4px;
  flex-direction:column;margin-left:auto;
  transition:background .18s ease,border-color .18s ease;
}
.menu-toggle:hover{background:var(--brand-light);border-color:#b9d5ec}
.menu-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--brand-deep)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-sm);
  font-size:15px;font-weight:600;line-height:1;
  white-space:nowrap;cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{
  background:var(--accent);color:#fff;
  box-shadow:0 10px 22px rgba(242,106,46,.26);
}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px);box-shadow:0 14px 28px rgba(242,106,46,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(242,106,46,.28)}
.btn-secondary{
  background:#fff;color:var(--brand);border:1px solid #b9d5ec;
}
.btn-secondary:hover{background:var(--brand-light);border-color:var(--brand)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;pointer-events:none}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:600;color:var(--brand);
}
.link-more svg{transition:transform .18s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:var(--brand-light);color:var(--brand);
}
.badge-accent{background:rgba(242,106,46,.12);color:var(--accent-dark)}
.badge-cyan{background:rgba(18,165,148,.12);color:#0B7C6F}

/* ---------- 文章头部 ---------- */
.article-hero{
  position:relative;overflow:hidden;
  padding:34px 0 52px;
  background:linear-gradient(180deg,#EDF4FA 0%,#F6F9FC 100%);
  border-bottom:1px solid var(--line);
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(18,102,184,.16) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;
  -webkit-mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  mask-image:linear-gradient(120deg,#000 0%,transparent 62%);
  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(--muted);margin-bottom:18px;
}
.breadcrumb a{transition:color .18s ease}
.breadcrumb a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.breadcrumb .sep{color:#9fb1c4}
.article-title{
  font-size:44px;line-height:1.24;font-weight:700;
  letter-spacing:0;color:var(--brand-deep);
  max-width:920px;margin:14px 0 18px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:8px 22px;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#a9bccd}
.article-lead{
  border-left:3px solid var(--brand);
  padding-left:16px;max-width:840px;
  font-size:16px;line-height:1.85;color:#3a4d63;
}
.article-cover{
  max-width:1000px;margin:34px auto 0;
  border-radius:var(--r-lg);overflow:hidden;
  border:1px solid var(--line);background:#eef3f8;
  box-shadow:var(--shadow);
}
.article-cover img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cover-caption{
  display:block;font-size:13px;color:var(--muted);
  text-align:center;padding:10px 16px 12px;background:#fbfdff;
  border-top:1px solid var(--line);
}

/* ---------- 文章主体布局 ---------- */
.section{padding:64px 0}
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:start;
}
.article-main{min-width:0}
.article-body{
  max-width:780px;
  font-size:17px;line-height:1.9;color:#1a2836;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 18px}
.article-body h2{
  font-size:26px;line-height:1.38;font-weight:700;
  color:var(--brand-deep);
  margin:40px 0 16px;padding-left:14px;
  border-left:4px solid var(--brand);
  scroll-margin-top:100px;
}
.article-body h3{
  font-size:20px;line-height:1.5;font-weight:600;
  color:#12314f;margin:28px 0 12px;
  scroll-margin-top:100px;
}
.article-body h4{font-size:17px;font-weight:600;margin:22px 0 10px;color:#12314f}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body ul li{list-style:disc;margin:6px 0}
.article-body ol li{list-style:decimal;margin:6px 0}
.article-body blockquote{
  margin:24px 0;padding:16px 20px;
  background:var(--brand-light);border-left:3px solid var(--brand);
  border-radius:0 var(--r-md) var(--r-md) 0;
  color:#2a3d52;font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--r-md);margin:20px 0;height:auto}
.article-body a{color:var(--brand);font-weight:500;border-bottom:1px solid rgba(18,102,184,.35);transition:color .18s ease,border-color .18s ease}
.article-body a:hover{color:#0B4C8C;border-color:#0B4C8C}
.article-body table{display:block;overflow-x:auto;font-size:15px;margin:22px 0;border:1px solid var(--line);border-radius:var(--r-md)}
.article-body thead th{background:var(--brand-light);color:#12314f;font-weight:600;text-align:left}
.article-body th,.article-body td{padding:10px 14px;border-bottom:1px solid var(--line);white-space:nowrap}
.article-body tr:last-child td{border-bottom:0}
.article-body strong{color:#0b2d4d;font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 侧栏 ---------- */
.sidebar{
  position:sticky;top:100px;
  display:flex;flex-direction:column;gap:20px;min-width:0;
}
.side-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);padding:22px;
  box-shadow:var(--shadow);
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--brand-deep);
  margin-bottom:14px;display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:3px;height:14px;border-radius:2px;background:var(--accent);
}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:13.5px;line-height:1.6;color:var(--muted);
  border-left:2px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.toc-list a:hover{background:var(--brand-light);color:var(--brand);border-left-color:var(--brand)}
.rel-list{display:flex;flex-direction:column;gap:14px}
.rel-list li a{display:block;font-size:14px;line-height:1.6;color:#23384e;transition:color .18s ease}
.rel-list li a:hover{color:var(--brand)}
.rel-list li span{display:block;font-size:12px;color:var(--muted);margin-bottom:4px}
.side-back{width:100%}
.side-cta{background:linear-gradient(160deg,#0B3E6B,#072B4F);border-color:transparent;color:#DCE9F5}
.side-cta h3{color:#fff}
.side-cta h3::before{background:var(--accent)}
.side-cta p{font-size:13.5px;line-height:1.75;color:#B9D2E6;margin-bottom:16px}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:780px;
  border:1px dashed #b9d1e6;border-radius:var(--r-lg);
  background:#fff;padding:56px 28px;text-align:center;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:16px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;
}
.empty-state h2{font-size:22px;color:var(--brand-deep);margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- 相关推荐 ---------- */
.related-section{background:var(--section);border-top:1px solid var(--line)}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:24px;margin-bottom:32px;
}
.section-title{
  font-size:30px;line-height:1.35;font-weight:700;color:var(--brand-deep);
}
.section-sub{font-size:14.5px;color:var(--muted);margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rel-card{
  background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#c9dcee}
.rel-media{display:block;overflow:hidden;background:#eef3f8}
.rel-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-media img{transform:scale(1.03)}
.rel-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.rel-body h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--brand-deep)}
.rel-body h3 a:hover{color:var(--brand)}
.rel-body p{font-size:13.5px;line-height:1.75;color:var(--muted)}
.rel-body .badge{align-self:flex-start}

/* ---------- CTA 带 ---------- */
.cta-band{background:linear-gradient(120deg,#0B3E6B 0%,#072B4F 100%);padding:56px 0}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;line-height:1.4;color:#fff;font-weight:700}
.cta-inner p{font-size:15px;color:#B9D2E6;margin-top:10px;max-width:640px}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  display:flex;flex-direction:column;padding:20px 20px 24px;
  transform:translateY(-102%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.drawer.is-open{transform:translateY(0);visibility:visible}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--brand-deep);
  transition:background .18s ease;
}
.drawer-close:hover{background:var(--brand-light)}
.drawer-group{font-size:12px;letter-spacing:.08em;color:#93a6b8;margin:6px 0 8px}
.drawer-links{flex:1;overflow-y:auto;display:flex;flex-direction:column}
.drawer-links a{
  font-size:18px;padding:14px 4px;color:#17334d;
  border-bottom:1px solid var(--line);
  transition:color .18s ease,padding-left .18s ease;
}
.drawer-links a:hover{color:var(--brand);padding-left:10px}
.drawer-cta{margin-top:18px}
.drawer-cta .btn{width:100%}

/* ---------- 页脚 ---------- */
.site-footer{background:#072B4F;color:#DCE9F5;padding:64px 0 28px;margin-top:0}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:36px;padding-bottom:36px;border-bottom:1px solid rgba(220,233,245,.16);
}
.footer-brand .logo{color:#fff;margin-bottom:16px}
.footer-brand .logo-mark{background:linear-gradient(150deg,#2E86D3,#1266B8)}
.footer-desc{font-size:14px;line-height:1.8;color:#A9C4DA;max-width:320px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col a{
  display:block;font-size:14px;color:#B9D2E6;
  padding:5px 0;transition:color .18s ease,transform .18s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(3px)}
.footer-info{font-size:13.5px;line-height:2;color:#A9C4DA}
.footer-info strong{color:#DCE9F5;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px 24px;
  justify-content:space-between;padding-top:22px;
  font-size:12.5px;color:#8FADC6;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .container{max-width:1040px}
  .article-title{font-size:40px}
  .article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:34px}
}
@media (max-width:1023px){
  .nav-pill{display:none}
  .header-cta{display:none}
  .menu-toggle{display:flex}
  .header-inner{height:68px}
  .article-layout{grid-template-columns:1fr;gap:36px}
  .sidebar{position:static;flex-direction:row;flex-wrap:wrap;gap:18px}
  .sidebar .side-card{flex:1 1 280px}
  .sidebar .side-back{flex:1 1 100%;width:auto}
  .article-title{font-size:36px}
  .article-body{max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .section{padding:52px 0}
  .cta-inner h2{font-size:24px}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:44px 0}
  .article-hero{padding:24px 0 40px}
  .article-title{font-size:30px;line-height:1.3;margin:12px 0 14px}
  .article-meta{font-size:12.5px;gap:6px 14px}
  .article-lead{font-size:15px;padding-left:12px}
  .article-cover{margin-top:24px;border-radius:14px}
  .article-body{font-size:16px;line-height:1.85}
  .article-body h2{font-size:22px;margin:32px 0 12px}
  .article-body h3{font-size:18px}
  .sidebar{flex-direction:column}
  .sidebar .side-card{flex:1 1 auto;width:100%}
  .related-grid{grid-template-columns:1fr}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-title{font-size:24px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-inner h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .empty-state{padding:40px 20px}
}
@media (max-width:519px){
  .article-title{font-size:26px}
  .btn{width:100%}
  .header-cta{width:auto}
  .footer-grid{grid-template-columns:1fr}
  .side-card{padding:20px}
  .rel-body{padding:18px 18px 20px}
  .cta-band{padding:44px 0}
}

/* roulang page: category1 */
:root{
  --deep:#072B4F;
  --deep-2:#04355F;
  --brand:#1266B8;
  --brand-dark:#0E4E8F;
  --light:#EAF3FB;
  --orange:#F26A2E;
  --orange-dark:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --section:#EDF4FA;
  --text:#0E1B2A;
  --muted:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warn:#B7791F;
  --error:#C0392B;
  --radius-card:18px;
  --radius-btn:10px;
  --shadow-sm:0 10px 30px rgba(10,45,80,.08);
  --shadow-lg:0 18px 44px rgba(10,45,80,.14);
  --container:1200px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
  -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,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
h1,h2,h3,h4{font-weight:700;line-height:1.3;color:var(--text);}
input,select,textarea{font-family:inherit;font-size:15px;color:var(--text);}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:2px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}

/* ---------------- 头部导航 ---------------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#FFFFFF;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(10,45,80,.09);}
.header-inner{
  height:76px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:20px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:var(--deep);
  letter-spacing:.01em;
  white-space:nowrap;
}
.logo:hover{color:var(--deep);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  background:linear-gradient(150deg,var(--brand) 0%,var(--deep) 100%);
  color:#fff;
  flex:none;
}
.nav-pill{
  display:flex;
  align-items:center;
  gap:2px;
  padding:5px;
  background:var(--light);
  border-radius:999px;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 13px;
  font-size:14px;
  font-weight:500;
  color:#3B5570;
  border-radius:999px;
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:rgba(255,255,255,.92);color:var(--brand);}
.nav-link.is-active{
  background:#fff;
  color:var(--brand);
  font-weight:600;
  box-shadow:0 2px 8px rgba(10,45,80,.10);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  top:6px;right:6px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--orange);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;}
.btn-primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-1px);}
.btn-outline{background:#fff;color:var(--brand);border-color:#BFD8EE;}
.btn-outline:hover{background:var(--light);color:var(--brand-dark);}
.btn-on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.5);}
.btn-on-dark:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;}
.btn .arrow{transition:transform .18s ease;}
.btn:hover .arrow{transform:translateX(4px);}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.text-link .arrow{transition:transform .18s ease;}
.text-link:hover .arrow{transform:translateX(4px);}
.hamburger{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  background:#fff;
  border:1px solid var(--line);
  border-radius:10px;
  color:var(--deep);
  cursor:pointer;
}
.hamburger:hover{background:var(--light);}

/* 移动抽屉 */
.mobile-drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:#fff;
  display:none;
  flex-direction:column;
  opacity:0;
  transform:translateY(-8px);
  transition:opacity .2s ease,transform .2s ease;
}
.mobile-drawer.is-open{display:flex;opacity:1;transform:translateY(0);}
.drawer-top{
  height:76px;
  flex:none;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--deep);cursor:pointer;
}
.drawer-body{
  flex:1;
  overflow-y:auto;
  padding:20px 16px 24px;
}
.drawer-group-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--muted);
  text-transform:uppercase;
  margin:8px 0 10px;
}
.drawer-link{
  display:block;
  padding:12px 0;
  font-size:18px;
  font-weight:500;
  color:var(--text);
  border-bottom:1px solid #EEF3F8;
}
.drawer-link.is-active{color:var(--brand);font-weight:700;}
.drawer-link:hover{color:var(--brand);}
.drawer-footer{
  flex:none;
  padding:12px 16px 18px;
  border-top:1px solid var(--line);
  background:#fff;
}
.drawer-footer .btn{width:100%;}
body.drawer-lock{overflow:hidden;}

/* ---------------- 频道头部 ---------------- */
.channel-hero{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(120deg,rgba(7,43,79,.96) 0%,rgba(8,50,90,.92) 55%,rgba(10,60,105,.86) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:#fff;
  padding:64px 0 68px;
}
.channel-hero::before{
  content:"";
  position:absolute;
  right:-140px;top:-160px;
  width:560px;height:560px;
  border:1px solid rgba(255,255,255,.12);
  border-radius:50%;
  pointer-events:none;
}
.channel-hero::after{
  content:"";
  position:absolute;
  right:-40px;bottom:-220px;
  width:420px;height:420px;
  border:1px solid rgba(255,255,255,.09);
  border-radius:50%;
  pointer-events:none;
}
.channel-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:48px;
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  letter-spacing:.08em;
  font-weight:600;
  color:#CFE4F7;
  background:rgba(255,255,255,.12);
  border:1px solid rgba(255,255,255,.18);
  border-radius:999px;
  padding:6px 14px;
  margin-bottom:20px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
.channel-hero h1{
  font-size:clamp(30px,3.6vw,46px);
  line-height:1.22;
  color:#fff;
  letter-spacing:0;
}
.channel-hero .hero-lede{
  margin-top:18px;
  max-width:620px;
  font-size:16px;
  line-height:1.85;
  color:#C8DCEF;
}
.tag-row{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:7px 14px;
  font-size:13px;
  border-radius:999px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(255,255,255,.22);
  color:#E3EFFA;
  transition:background .18s ease,border-color .18s ease;
}
.tag:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);color:#fff;}
.hero-figures{
  display:flex;
  flex-wrap:wrap;
  gap:28px;
  margin-top:32px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-figure strong{
  display:block;
  font-size:16px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.hero-figure span{
  font-size:13px;
  color:#A9C6E1;
}
.hero-media{
  position:relative;
  border-radius:20px;
  overflow:hidden;
  border:1px solid rgba(255,255,255,.22);
  box-shadow:0 26px 60px rgba(3,20,38,.45);
  background:#0B3A65;
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,43,79,0) 45%,rgba(7,43,79,.72) 100%);
}
.media-caption{
  position:absolute;
  left:18px;right:18px;bottom:16px;
  z-index:2;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding:12px 16px;
  background:rgba(255,255,255,.94);
  border-radius:14px;
  color:var(--deep);
}
.media-caption b{font-size:14px;font-weight:700;display:block;}
.media-caption span{font-size:12px;color:var(--muted);}
.media-caption .pulse{
  width:10px;height:10px;border-radius:50%;background:var(--teal);flex:none;
  box-shadow:0 0 0 4px rgba(18,165,148,.18);
}

/* ---------------- 板块通用 ---------------- */
.section{padding:72px 0;}
.section-alt{background:var(--section);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head h2{
  font-size:30px;
  line-height:1.3;
}
.section-sub{
  margin-top:10px;
  font-size:15px;
  color:var(--muted);
  max-width:640px;
}

/* ---------------- 主区域布局 ---------------- */
.channel-layout{
  display:grid;
  grid-template-columns:8fr 4fr;
  gap:32px;
  align-items:start;
}
.panel{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
}
.panel-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
}
.panel-head h2{font-size:20px;line-height:1.4;}
.panel-head .panel-note{font-size:13px;color:var(--muted);}

/* 时间线 */
.timeline{padding:8px 26px 26px;}
.timeline-item{
  display:grid;
  grid-template-columns:70px 1fr;
  gap:22px;
  padding:26px 0;
  border-bottom:1px solid #EDF3F9;
  position:relative;
}
.timeline-item:last-child{border-bottom:none;padding-bottom:8px;}
.date-block{
  flex:none;
  width:70px;
  padding:10px 0;
  text-align:center;
  border-radius:14px;
  background:var(--light);
  border:1px solid #D5E6F5;
}
.date-block strong{
  display:block;
  font-size:24px;
  line-height:1.1;
  color:var(--brand);
  font-variant-numeric:tabular-nums;
}
.date-block span{
  display:block;
  font-size:12px;
  color:var(--muted);
  margin-top:2px;
}
.tl-chips{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:10px;}
.chip{
  display:inline-flex;
  align-items:center;
  padding:4px 11px;
  font-size:12px;
  font-weight:600;
  border-radius:999px;
  background:var(--light);
  color:var(--brand);
  border:1px solid #D5E6F5;
}
.chip-muted{background:#F2F6FA;color:var(--muted);border-color:#E4EDF5;}
.chip-orange{background:#FFF1EA;color:#B8460F;border-color:#FBD8C6;}
.tl-title{
  font-size:19px;
  line-height:1.5;
  font-weight:700;
}
.tl-title a{color:var(--text);}
.tl-title a:hover{color:var(--brand);}
.tl-desc{
  margin-top:8px;
  font-size:14px;
  line-height:1.8;
  color:var(--muted);
}
.tl-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:14px;
  font-size:13px;
  color:#7B8DA0;
}
.tl-meta .meta-left{display:flex;flex-wrap:wrap;gap:14px;}

/* 侧栏 */
.side{display:grid;gap:24px;}
.side-card{padding:24px;}
.side-card h3{font-size:17px;margin-bottom:16px;}
.pick-card{
  overflow:hidden;
  border-radius:var(--radius-card);
  border:1px solid var(--line);
  background:#fff;
  box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);}
.pick-media{position:relative;aspect-ratio:16/9;background:#E9EFF5;overflow:hidden;}
.pick-media img{width:100%;height:100%;object-fit:cover;}
.pick-media .pick-badge{
  position:absolute;left:14px;top:14px;
  padding:4px 11px;
  font-size:12px;font-weight:600;
  border-radius:999px;
  background:rgba(255,255,255,.95);
  color:var(--brand);
}
.pick-body{padding:20px 22px 22px;}
.pick-body h3{font-size:18px;line-height:1.5;}
.pick-body h3 a{color:var(--text);}
.pick-body h3 a:hover{color:var(--brand);}
.pick-body p{margin-top:8px;font-size:13.5px;line-height:1.8;color:var(--muted);}
.pick-body .pick-meta{margin-top:12px;font-size:12.5px;color:#7B8DA0;display:flex;justify-content:space-between;gap:12px;}
.mini-pick{
  display:grid;
  grid-template-columns:78px 1fr;
  gap:14px;
  padding:14px 0;
  border-bottom:1px dashed #E4EDF5;
  align-items:center;
}
.mini-pick:last-child{border-bottom:none;padding-bottom:0;}
.mini-pick .mini-thumb{
  width:78px;height:64px;border-radius:12px;overflow:hidden;background:#E9EFF5;
}
.mini-pick .mini-thumb img{width:100%;height:100%;object-fit:cover;}
.mini-pick h4{font-size:14.5px;line-height:1.55;font-weight:600;}
.mini-pick h4 a{color:var(--text);}
.mini-pick h4 a:hover{color:var(--brand);}
.mini-pick .mini-meta{font-size:12px;color:#7B8DA0;margin-top:4px;}

.reader-card{
  background:linear-gradient(160deg,#0B3A65 0%,var(--deep) 100%);
  border-radius:var(--radius-card);
  padding:26px 24px;
  color:#fff;
  box-shadow:var(--shadow-sm);
}
.reader-card h3{color:#fff;font-size:18px;margin-bottom:10px;}
.reader-card p{font-size:13.5px;line-height:1.8;color:#B9D2E8;margin-bottom:18px;}
.reader-card .btn{width:100%;}
.reader-list{margin-top:16px;display:grid;gap:10px;}
.reader-list li{font-size:13px;color:#CFE2F2;display:flex;gap:8px;align-items:flex-start;}
.reader-list .tick{color:var(--teal);flex:none;margin-top:5px;}

/* 关注提示引用带 */
.quote-band{
  display:grid;
  grid-template-columns:1fr auto;
  gap:24px;
  align-items:center;
  padding:28px 30px;
  background:var(--card);
  border:1px solid var(--line);
  border-left:4px solid var(--brand);
  border-radius:14px;
  box-shadow:var(--shadow-sm);
}
.quote-band p{font-size:15.5px;line-height:1.85;color:#25425E;}
.quote-band small{display:block;margin-top:8px;font-size:13px;color:var(--muted);}

/* FAQ */
.faq-grid{
  display:grid;
  grid-template-columns:4fr 8fr;
  gap:48px;
  align-items:start;
}
.faq-aside h2{font-size:30px;line-height:1.32;}
.faq-aside p{margin-top:14px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq-list{display:grid;gap:0;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);overflow:hidden;}
.faq-item{border-bottom:1px solid #EDF3F9;}
.faq-item:last-child{border-bottom:none;}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:20px 26px;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:#F7FAFD;color:var(--brand);}
.faq-item summary .plus{
  flex:none;
  width:22px;height:22px;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--brand);
  transition:transform .2s ease;
}
.faq-item[open] summary{color:var(--brand);}
.faq-item[open] summary .plus{transform:rotate(45deg);}
.faq-answer{
  padding:0 26px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--muted);
  max-width:820px;
}

/* CTA 带 */
.cta-band{
  position:relative;
  overflow:hidden;
  background:
    linear-gradient(115deg,rgba(7,43,79,.97) 0%,rgba(9,52,94,.94) 60%,rgba(12,66,116,.9) 100%),
    url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-radius:22px;
  padding:52px 48px;
  color:#fff;
  display:grid;
  grid-template-columns:1fr auto;
  gap:32px;
  align-items:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-90px;top:-110px;
  width:340px;height:340px;
  border:1px solid rgba(255,255,255,.14);
  border-radius:50%;
}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;position:relative;}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:#BFD7EC;max-width:640px;position:relative;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;}

/* 页脚 */
.site-footer{
  background:var(--deep);
  color:#DCE9F5;
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .logo{color:#fff;font-size:20px;}
.site-footer .logo:hover{color:#fff;}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#A9C6E1;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:#B9D2E8;
  padding:6px 0;
}
.footer-col a:hover{color:#fff;}
.footer-info{font-size:14px;line-height:2;color:#A9C6E1;}
.footer-info strong{color:#DCE9F5;font-weight:600;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:24px;
  font-size:13px;
  color:#8FB0CC;
}

/* 响应式 */
@media (max-width:1199px){
  .channel-grid{gap:36px;}
  .nav-link{padding:8px 10px;font-size:13.5px;}
  .header-inner{gap:14px;}
}
@media (max-width:1080px){
  .nav-pill{display:none;}
  .hamburger{display:inline-flex;}
  .header-actions .btn{display:none;}
  .channel-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media{max-width:620px;}
  .channel-layout{grid-template-columns:1fr;}
  .side{grid-template-columns:1fr 1fr;align-items:start;}
  .reader-card{grid-column:1 / -1;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .channel-hero{padding:44px 0 48px;}
  .channel-hero .hero-lede{font-size:15px;}
  .hero-figures{gap:20px 28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:24px;}
  .faq-aside h2{font-size:24px;}
  .timeline{padding:6px 18px 20px;}
  .timeline-item{grid-template-columns:56px 1fr;gap:16px;padding:22px 0;}
  .date-block{width:56px;padding:8px 0;}
  .date-block strong{font-size:19px;}
  .tl-title{font-size:17px;}
  .tl-meta{flex-direction:column;align-items:flex-start;gap:10px;}
  .panel-head{padding:18px;flex-direction:column;align-items:flex-start;gap:6px;}
  .side{grid-template-columns:1fr;}
  .pick-body{padding:18px;}
  .quote-band{grid-template-columns:1fr;padding:22px;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-answer{padding:0 18px 18px;font-size:14.5px;}
  .cta-band{padding:32px 24px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-band p{font-size:14px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-bottom{font-size:12px;}
}
@media (max-width:519px){
  .header-inner{height:68px;}
  .logo{font-size:18px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;}
  .channel-hero h1{font-size:28px;}
  .hero-figure strong{font-size:15px;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .media-caption{left:12px;right:12px;bottom:12px;padding:10px 12px;}
  .timeline-item{grid-template-columns:1fr;gap:12px;}
  .date-block{width:auto;display:inline-flex;align-items:center;gap:8px;padding:6px 12px;border-radius:999px;}
  .date-block strong{font-size:15px;}
  .date-block span{margin-top:0;}
}

/* roulang page: category2 */
:root{
    --navy:#072B4F;
    --navy-soft:#0B3964;
    --blue:#1266B8;
    --blue-dark:#0E5296;
    --blue-light:#EAF3FB;
    --orange:#F26A2E;
    --orange-dark:#D94F12;
    --teal:#12A594;
    --bg:#F6F9FC;
    --card:#FFFFFF;
    --section:#EDF4FA;
    --text:#0E1B2A;
    --muted:#586A7E;
    --line:#DDE7F1;
    --success:#168A5B;
    --warn:#B7791F;
    --error:#C0392B;
    --radius-card:18px;
    --radius-btn:10px;
    --radius-pill:999px;
    --shadow:0 10px 30px rgba(10,45,80,.08);
    --shadow-hover:0 18px 44px rgba(10,45,80,.14);
    --container:1200px;
    --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:var(--font);
    font-size:16px;
    line-height:1.8;
    color:var(--text);
    background:var(--bg);
    font-feature-settings:"tnum";
  }
  body.no-scroll{overflow:hidden;}
  h1,h2,h3,h4{margin:0;font-weight:600;letter-spacing:0;line-height:1.3;}
  p{margin:0;}
  a{color:var(--blue);text-decoration:none;transition:color .18s ease;}
  a:hover{color:var(--blue-dark);}
  img{max-width:100%;display:block;}
  button{font-family:inherit;}
  ul{margin:0;padding:0;list-style:none;}
  ::selection{background:rgba(18,102,184,.16);}

  a:focus-visible,
  button:focus-visible,
  summary:focus-visible,
  input:focus-visible,
  select:focus-visible,
  textarea:focus-visible{
    outline:3px solid rgba(18,102,184,.28);
    outline-offset:2px;
    border-radius:6px;
  }

  .container{
    width:100%;
    max-width:var(--container);
    margin:0 auto;
    padding:0 24px;
  }

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    height:48px;
    padding:0 24px;
    border-radius:var(--radius-btn);
    border:1px solid transparent;
    font-size:15px;
    font-weight:600;
    line-height:1;
    cursor:pointer;
    transition:background-color .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
    white-space:nowrap;
  }
  .btn-primary{background:var(--orange);color:#fff;border-color:var(--orange);}
  .btn-primary:hover{background:var(--orange-dark);border-color:var(--orange-dark);color:#fff;transform:translateY(-1px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-secondary{background:#fff;color:var(--blue);border-color:var(--blue);}
  .btn-secondary:hover{background:var(--blue-light);color:var(--blue-dark);}
  .btn-ghost-light{background:rgba(255,255,255,.06);color:#fff;border-color:rgba(255,255,255,.5);}
  .btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;border-color:#fff;}
  .btn-sm{height:42px;padding:0 18px;font-size:14px;}
  .btn-block{width:100%;}
  .btn:disabled,.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
  .link-arrow{
    display:inline-flex;
    align-items:center;
    gap:6px;
    font-size:15px;
    font-weight:600;
    color:var(--blue);
  }
  .link-arrow svg{transition:transform .18s ease;}
  .link-arrow:hover svg{transform:translateX(4px);}

  /* ---------- 导航 ---------- */
  .site-header{
    position:sticky;
    top:0;
    z-index:60;
    background:#fff;
    border-bottom:1px solid var(--line);
    transition:box-shadow .2s ease;
  }
  .site-header.is-scrolled{box-shadow:0 6px 20px rgba(10,45,80,.08);}
  .header-inner{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:20px;
    height:76px;
  }
  .logo{
    display:inline-flex;
    align-items:center;
    gap:10px;
    font-size:20px;
    font-weight:700;
    color:var(--navy);
    letter-spacing:.01em;
  }
  .logo:hover{color:var(--navy);}
  .logo-mark{
    width:34px;
    height:34px;
    border-radius:10px;
    background:var(--blue);
    color:#fff;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    flex:0 0 auto;
  }
  .nav-pill{
    display:flex;
    align-items:center;
    gap:4px;
    padding:6px;
    background:var(--bg);
    border:1px solid var(--line);
    border-radius:var(--radius-pill);
  }
  .nav-link{
    position:relative;
    display:inline-flex;
    align-items:center;
    gap:6px;
    padding:8px 14px;
    border-radius:var(--radius-pill);
    font-size:15px;
    color:var(--muted);
    transition:background-color .18s ease,color .18s ease;
  }
  .nav-link:hover{background:#fff;color:var(--blue);}
  .nav-link.is-active{background:var(--blue-light);color:var(--blue);font-weight:600;}
  .nav-link.is-active::before{
    content:"";
    width:6px;
    height:6px;
    border-radius:50%;
    background:var(--orange);
    flex:0 0 auto;
  }
  .header-actions{display:flex;align-items:center;gap:12px;}
  .nav-toggle{
    display:none;
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--navy);
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .nav-toggle:hover{background:var(--blue-light);color:var(--blue);}

  /* ---------- 移动抽屉 ---------- */
  .mobile-drawer{
    position:fixed;
    inset:0;
    z-index:90;
    background:#fff;
    display:flex;
    flex-direction:column;
    opacity:0;
    visibility:hidden;
    transform:translateY(-10px);
    transition:opacity .2s ease,transform .2s ease,visibility .2s ease;
  }
  .mobile-drawer.is-open{opacity:1;visibility:visible;transform:translateY(0);}
  .drawer-head{
    display:flex;
    align-items:center;
    justify-content:space-between;
    height:76px;
    padding:0 16px;
    border-bottom:1px solid var(--line);
  }
  .drawer-close{
    width:44px;
    height:44px;
    border-radius:12px;
    border:1px solid var(--line);
    background:#fff;
    color:var(--navy);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    cursor:pointer;
  }
  .drawer-close:hover{background:var(--blue-light);color:var(--blue);}
  .drawer-body{padding:20px 16px 24px;overflow-y:auto;flex:1;}
  .drawer-group-title{
    font-size:12px;
    letter-spacing:.08em;
    color:var(--muted);
    margin:0 0 12px;
    font-weight:600;
  }
  .drawer-link{
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:12px;
    padding:14px 12px;
    border-radius:12px;
    font-size:18px;
    color:var(--text);
    border-bottom:1px solid var(--line);
  }
  .drawer-link:hover{background:var(--blue-light);color:var(--blue);}
  .drawer-link.is-active{background:var(--blue-light);color:var(--blue);font-weight:600;}
  .drawer-foot{padding:16px;border-top:1px solid var(--line);background:#fff;}

  /* ---------- 频道头部 ---------- */
  .channel-hero{
    position:relative;
    background:var(--navy);
    color:#fff;
    overflow:hidden;
  }
  .channel-hero::before{
    content:"";
    position:absolute;
    inset:0;
    background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
    background-size:22px 22px;
    opacity:.18;
    pointer-events:none;
  }
  .channel-hero::after{
    content:"";
    position:absolute;
    right:-140px;
    top:-120px;
    width:520px;
    height:520px;
    border:1px solid rgba(255,255,255,.14);
    border-radius:50%;
    box-shadow:inset 0 0 0 60px rgba(255,255,255,.03);
    pointer-events:none;
  }
  .channel-hero-inner{
    position:relative;
    z-index:1;
    display:grid;
    grid-template-columns:7fr 5fr;
    gap:48px;
    align-items:center;
    padding:64px 0 72px;
  }
  .breadcrumb{
    display:flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:rgba(255,255,255,.68);
    margin-bottom:18px;
  }
  .breadcrumb a{color:rgba(255,255,255,.82);}
  .breadcrumb a:hover{color:#fff;}
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 12px;
    border-radius:var(--radius-pill);
    background:rgba(255,255,255,.12);
    color:#CFE4F7;
    font-size:12px;
    letter-spacing:.08em;
    font-weight:600;
    margin-bottom:18px;
  }
  .eyebrow::before{
    content:"";
    width:6px;height:6px;border-radius:50%;
    background:var(--orange);
  }
  .channel-hero h1{
    font-size:46px;
    line-height:1.2;
    font-weight:700;
    color:#fff;
    margin-bottom:18px;
  }
  .channel-lead{
    font-size:16px;
    line-height:1.85;
    color:#C9DDEF;
    max-width:600px;
  }
  .pill-row{display:flex;flex-wrap:wrap;gap:10px;margin:24px 0 28px;}
  .metric-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:8px 16px;
    border-radius:var(--radius-pill);
    border:1px solid rgba(255,255,255,.22);
    background:rgba(255,255,255,.06);
    font-size:14px;
    color:#E4EFF9;
  }
  .metric-pill svg{color:var(--teal);flex:0 0 auto;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:14px;}

  .channel-media{
    position:relative;
    border-radius:20px;
    overflow:hidden;
    border:1px solid rgba(255,255,255,.18);
    box-shadow:0 24px 50px rgba(3,20,38,.35);
    background:rgba(255,255,255,.06);
    aspect-ratio:16/11;
  }
  .channel-media img{width:100%;height:100%;object-fit:cover;}
  .media-fallback{
    position:absolute;
    inset:0;
    display:flex;
    align-items:center;
    justify-content:center;
    background:#EDF4FA;
    color:var(--blue);
    z-index:0;
  }
  .media-fallback svg{width:44px;height:44px;}
  .media-card{
    position:absolute;
    left:20px;
    right:20px;
    bottom:20px;
    background:#fff;
    border-radius:14px;
    padding:16px 18px;
    box-shadow:0 14px 34px rgba(3,20,38,.22);
  }
  .media-card-title{
    font-size:12px;
    letter-spacing:.08em;
    color:var(--muted);
    margin-bottom:10px;
    font-weight:600;
  }
  .media-card-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:10px;
  }
  .media-cell{
    border:1px solid var(--line);
    border-radius:10px;
    padding:8px 10px;
  }
  .media-cell span{display:block;font-size:12px;color:var(--muted);}
  .media-cell strong{font-size:15px;color:var(--navy);font-weight:600;}

  /* ---------- 通用板块 ---------- */
  .section{padding:96px 0;}
  .section-tight{padding:72px 0;}
  .section-alt{background:var(--section);}
  .section-white{background:#fff;}
  .section-head{
    display:flex;
    align-items:flex-end;
    justify-content:space-between;
    gap:24px;
    margin-bottom:40px;
  }
  .section-head-left{max-width:720px;}
  .section-kicker{
    font-size:12px;
    letter-spacing:.08em;
    font-weight:600;
    color:var(--blue);
    margin-bottom:10px;
    display:block;
  }
  .section-head h2{font-size:30px;color:var(--navy);margin-bottom:12px;}
  .section-head p{color:var(--muted);font-size:15px;line-height:1.8;}

  /* ---------- 图表卡 ---------- */
  .chart-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    padding:28px;
  }
  .chart-card-head{
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding-bottom:20px;
    border-bottom:1px solid var(--line);
    margin-bottom:24px;
  }
  .chart-card-head h3{font-size:20px;color:var(--navy);margin-bottom:6px;}
  .chart-card-head p{font-size:14px;color:var(--muted);}
  .legend{display:flex;flex-wrap:wrap;gap:16px;}
  .legend-item{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--muted);
  }
  .legend-dot{width:10px;height:10px;border-radius:3px;flex:0 0 auto;}
  .legend-dot.is-blue{background:var(--blue);}
  .legend-dot.is-teal{background:var(--teal);}
  .legend-dot.is-orange{background:var(--orange);}

  .chart-body{display:flex;gap:16px;}
  .chart-y{
    display:flex;
    flex-direction:column;
    justify-content:space-between;
    height:280px;
    font-size:12px;
    color:var(--muted);
    padding-bottom:28px;
    text-align:right;
    min-width:40px;
    font-variant-numeric:tabular-nums;
  }
  .chart-plot-wrap{flex:1;min-width:0;}
  .chart-plot{
    position:relative;
    display:flex;
    align-items:flex-end;
    gap:12px;
    height:280px;
    padding:0 4px;
    background-image:repeating-linear-gradient(to top,var(--line) 0,var(--line) 1px,transparent 1px,transparent 70px);
  }
  .bar-col{
    flex:1;
    min-width:0;
    display:flex;
    flex-direction:column;
    justify-content:flex-end;
    height:100%;
    gap:8px;
  }
  .bar-stack{
    height:100%;
    display:flex;
    align-items:flex-end;
    gap:4px;
  }
  .bar{
    flex:1;
    border-radius:6px 6px 0 0;
    height:var(--h,40%);
    background:linear-gradient(180deg,#3E8FD4,#1266B8);
    transition:filter .18s ease;
  }
  .bar.is-teal{background:linear-gradient(180deg,#3FC5B4,#12A594);}
  .bar.is-orange{background:linear-gradient(180deg,#F79361,#F26A2E);}
  .bar-col:hover .bar{filter:brightness(1.06);}
  .bar-label{
    text-align:center;
    font-size:12px;
    color:var(--muted);
    padding-top:8px;
    font-variant-numeric:tabular-nums;
  }
  .chart-note{
    margin-top:22px;
    padding-top:18px;
    border-top:1px dashed var(--line);
    font-size:13px;
    color:var(--muted);
    line-height:1.8;
  }

  /* ---------- 指标表 ---------- */
  .table-wrap{
    overflow-x:auto;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    background:#fff;
    box-shadow:var(--shadow);
    -webkit-overflow-scrolling:touch;
  }
  table.metric-table{
    width:100%;
    min-width:720px;
    border-collapse:collapse;
    font-size:15px;
  }
  .metric-table thead th{
    background:var(--blue-light);
    color:var(--navy);
    text-align:left;
    font-weight:600;
    font-size:14px;
    padding:16px 20px;
    border-bottom:1px solid var(--line);
    white-space:nowrap;
  }
  .metric-table tbody td{
    padding:18px 20px;
    border-bottom:1px solid var(--line);
    color:var(--muted);
    line-height:1.75;
    vertical-align:top;
  }
  .metric-table tbody th{
    padding:18px 20px;
    border-bottom:1px solid var(--line);
    text-align:left;
    color:var(--text);
    font-weight:600;
    white-space:nowrap;
  }
  .metric-table tbody tr:last-child td,
  .metric-table tbody tr:last-child th{border-bottom:none;}
  .metric-table tbody tr:hover td{background:#FAFCFE;}
  .tag{
    display:inline-flex;
    align-items:center;
    padding:4px 10px;
    border-radius:var(--radius-pill);
    background:var(--blue-light);
    color:var(--blue);
    font-size:12px;
    font-weight:600;
    white-space:nowrap;
  }

  /* ---------- 洞察卡 ---------- */
  .insight-grid{
    display:grid;
    grid-template-columns:repeat(2,1fr);
    gap:28px;
  }
  .insight-card{
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    transition:transform .18s ease,box-shadow .18s ease;
  }
  .insight-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
  .insight-media{
    position:relative;
    aspect-ratio:16/9;
    background:#EDF4FA;
    overflow:hidden;
  }
  .insight-media img{width:100%;height:100%;object-fit:cover;}
  .insight-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
  .insight-body h3{font-size:20px;color:var(--navy);line-height:1.45;}
  .insight-body p{font-size:15px;color:var(--muted);line-height:1.8;}
  .insight-meta{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    align-items:center;
    margin-top:auto;
    padding-top:8px;
  }
  .meta-text{font-size:13px;color:var(--muted);}
  .meta-divider{width:1px;height:12px;background:var(--line);}

  /* ---------- 流程 ---------- */
  .step-grid{
    display:grid;
    grid-template-columns:repeat(4,1fr);
    gap:24px;
  }
  .step-card{
    position:relative;
    background:#fff;
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:26px;
    box-shadow:var(--shadow);
  }
  .step-num{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    width:40px;
    height:40px;
    border-radius:12px;
    background:var(--blue-light);
    color:var(--blue);
    font-size:14px;
    font-weight:700;
    font-variant-numeric:tabular-nums;
    margin-bottom:16px;
  }
  .step-card h3{font-size:18px;color:var(--navy);margin-bottom:10px;}
  .step-card p{font-size:14px;color:var(--muted);line-height:1.8;}

  /* ---------- FAQ ---------- */
  .faq-layout{
    display:grid;
    grid-template-columns:4fr 8fr;
    gap:48px;
    align-items:start;
  }
  .faq-intro h2{font-size:30px;color:var(--navy);margin-bottom:14px;}
  .faq-intro p{color:var(--muted);font-size:15px;line-height:1.85;margin-bottom:20px;}
  .faq-list{border-top:1px solid var(--line);}
  .faq-item{
    border-bottom:1px solid var(--line);
    background:transparent;
  }
  .faq-item summary{
    list-style:none;
    cursor:pointer;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 4px;
    font-size:16px;
    font-weight:600;
    color:var(--text);
    transition:color .18s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary:hover{color:var(--blue);}
  .faq-icon{
    flex:0 0 auto;
    width:24px;
    height:24px;
    display:inline-flex;
    align-items:center;
    justify-content:center;
    color:var(--blue);
    transition:transform .2s ease;
  }
  .faq-item[open] .faq-icon{transform:rotate(45deg);}
  .faq-item[open] summary{color:var(--blue);}
  .faq-answer{
    padding:0 4px 22px;
    font-size:15px;
    color:var(--muted);
    line-height:1.85;
    max-width:760px;
  }

  /* ---------- CTA + 表单 ---------- */
  .cta-band{
    background:var(--navy);
    color:#fff;
    border-radius:24px;
    padding:48px;
    display:grid;
    grid-template-columns:6fr 6fr;
    gap:48px;
    position:relative;
    overflow:hidden;
  }
  .cta-band::after{
    content:"";
    position:absolute;
    left:-100px;
    bottom:-160px;
    width:360px;
    height:360px;
    border-radius:50%;
    border:1px solid rgba(255,255,255,.12);
    pointer-events:none;
  }
  .cta-copy{position:relative;z-index:1;}
  .cta-copy h2{font-size:30px;color:#fff;margin-bottom:14px;}
  .cta-copy p{color:#C9DDEF;font-size:15px;line-height:1.85;margin-bottom:22px;}
  .cta-points{display:flex;flex-direction:column;gap:12px;}
  .cta-point{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:14px;
    color:#DCE9F5;
  }
  .cta-point svg{flex:0 0 auto;color:var(--teal);margin-top:4px;}

  .lead-card{
    position:relative;
    z-index:1;
    background:#fff;
    border-radius:var(--radius-card);
    padding:28px;
    color:var(--text);
    box-shadow:0 20px 44px rgba(3,20,38,.28);
  }
  .lead-card h3{font-size:18px;color:var(--navy);margin-bottom:6px;}
  .lead-card .lead-hint{font-size:13px;color:var(--muted);margin-bottom:20px;}
  .field{margin-bottom:16px;}
  .field label{
    display:block;
    font-size:13px;
    font-weight:600;
    color:var(--text);
    margin-bottom:8px;
  }
  .field input,
  .field select,
  .field textarea{
    width:100%;
    height:48px;
    padding:0 14px;
    border:1px solid var(--line);
    border-radius:var(--radius-btn);
    background:#fff;
    font-family:inherit;
    font-size:15px;
    color:var(--text);
    transition:border-color .18s ease,box-shadow .18s ease;
  }
  .field textarea{height:92px;padding:12px 14px;resize:vertical;line-height:1.7;}
  .field input:focus,
  .field select:focus,
  .field textarea:focus{
    outline:none;
    border-color:var(--blue);
    box-shadow:0 0 0 3px rgba(18,102,184,.14);
  }
  .field.has-error input,
  .field.has-error select{border-color:var(--error);}
  .field-error{
    display:none;
    margin-top:6px;
    font-size:13px;
    color:var(--error);
  }
  .field.has-error .field-error{display:block;}
  .check-row{
    display:flex;
    gap:10px;
    align-items:flex-start;
    font-size:13px;
    color:var(--muted);
    line-height:1.7;
    margin:4px 0 18px;
  }
  .check-row input{
    width:18px;
    height:18px;
    margin-top:2px;
    accent-color:var(--blue);
    flex:0 0 auto;
  }
  .form-success{
    display:none;
    text-align:center;
    padding:32px 20px;
  }
  .form-success.is-visible{display:block;}
  .success-icon{
    width:56px;
    height:56px;
    border-radius:50%;
    background:#E7F5EE;
    color:var(--success);
    display:inline-flex;
    align-items:center;
    justify-content:center;
    margin-bottom:16px;
  }
  .form-success h3{font-size:20px;color:var(--navy);margin-bottom:10px;}
  .form-success p{font-size:15px;color:var(--muted);margin-bottom:20px;}

  /* ---------- 页脚 ---------- */
  .site-footer{
    background:var(--navy);
    color:#DCE9F5;
    padding:72px 0 28px;
    margin-top:96px;
  }
  .footer-grid{
    display:grid;
    grid-template-columns:4fr 3fr 3fr 4fr;
    gap:40px;
    padding-bottom:44px;
    border-bottom:1px solid rgba(255,255,255,.14);
  }
  .footer-brand .logo{color:#fff;font-size:20px;}
  .footer-brand .logo-mark{background:var(--blue);}
  .footer-desc{
    margin-top:16px;
    font-size:14px;
    line-height:1.85;
    color:#B7CDE0;
    max-width:320px;
  }
  .footer-col h4{
    font-size:14px;
    color:#fff;
    margin-bottom:16px;
    font-weight:600;
  }
  .footer-col a{
    display:block;
    font-size:14px;
    color:#B7CDE0;
    padding:5px 0;
  }
  .footer-col a:hover{color:#fff;}
  .footer-info{font-size:14px;color:#B7CDE0;line-height:1.9;}
  .footer-info strong{color:#E4EFF9;font-weight:600;}
  .footer-bottom{
    display:flex;
    flex-wrap:wrap;
    gap:12px 24px;
    justify-content:space-between;
    padding-top:24px;
    font-size:13px;
    color:#93AFC7;
  }

  /* ---------- 响应式 ---------- */
  @media (max-width:1199px){
    .container{max-width:1040px;}
    .channel-hero h1{font-size:40px;}
    .channel-hero-inner{grid-template-columns:6fr 6fr;gap:36px;}
    .step-grid{grid-template-columns:repeat(2,1fr);}
  }

  @media (max-width:1023px){
    .nav-pill,.header-actions .btn{display:none;}
    .nav-toggle{display:inline-flex;}
    .channel-hero-inner{grid-template-columns:1fr;padding:48px 0 56px;gap:32px;}
    .channel-hero h1{font-size:36px;}
    .channel-lead{max-width:none;}
    .channel-media{aspect-ratio:16/9;max-width:640px;}
    .section{padding:72px 0;}
    .section-tight{padding:56px 0;}
    .faq-layout{grid-template-columns:1fr;gap:28px;}
    .cta-band{grid-template-columns:1fr;gap:32px;padding:36px;}
    .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
    .insight-grid{grid-template-columns:1fr;}
    .chart-y{height:240px;}
    .chart-plot{height:240px;gap:8px;}
  }

  @media (max-width:767px){
    .container{padding:0 16px;}
    body{font-size:15px;}
    .channel-hero h1{font-size:30px;line-height:1.25;}
    .section-head{flex-direction:column;align-items:flex-start;gap:16px;margin-bottom:28px;}
    .section-head h2,.faq-intro h2,.cta-copy h2{font-size:24px;}
    .chart-card{padding:20px;}
    .chart-y{display:none;}
    .chart-plot{height:200px;gap:6px;padding:0;background-image:repeating-linear-gradient(to top,var(--line) 0,var(--line) 1px,transparent 1px,transparent 50px);}
    .bar-label{font-size:11px;}
    .media-card-grid{grid-template-columns:1fr 1fr;}
    .step-grid{grid-template-columns:1fr;}
    .site-footer{padding:56px 0 24px;margin-top:64px;}
    .cta-band{padding:28px 20px;border-radius:18px;}
    .lead-card{padding:22px;}
    .insight-body{padding:20px;}
  }

  @media (max-width:520px){
    .hero-actions .btn{width:100%;}
    .footer-grid{grid-template-columns:1fr;}
    .media-card{left:12px;right:12px;bottom:12px;padding:12px 14px;}
    .media-card-grid{grid-template-columns:1fr 1fr;gap:8px;}
    .chart-plot{height:170px;}
    .pill-row{gap:8px;}
    .metric-pill{font-size:13px;padding:7px 12px;}
  }

/* roulang page: category3 */
:root{
  --brand-deep:#072B4F;
  --brand:#1266B8;
  --brand-soft:#EAF3FB;
  --accent:#F26A2E;
  --accent-dark:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --surface:#EDF4FA;
  --ink:#0E1B2A;
  --muted:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warn:#B7791F;
  --danger:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-media:20px;
  --shadow:0 10px 30px rgba(10,45,80,.08);
  --shadow-hover:0 18px 44px rgba(10,45,80,.14);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .18s}
a:hover{color:var(--accent-dark)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section--soft{background:var(--surface)}
.section--white{background:#fff}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:3px}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,45,80,.09)}
.header-inner{
  height:76px;display:flex;align-items:center;justify-content:space-between;gap:24px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--brand-deep);
}
.logo:hover{color:var(--brand-deep)}
.logo-mark{
  width:32px;height:32px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 32px;
}
.nav-pill{
  display:flex;align-items:center;gap:2px;
  background:#F1F6FB;border:1px solid var(--line);border-radius:999px;padding:5px;
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:8px 13px;border-radius:999px;font-size:15px;font-weight:500;
  color:#31465C;white-space:nowrap;transition:background .18s,color .18s;
}
.nav-link:hover{background:#E4EFF9;color:var(--brand)}
.nav-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.nav-link.is-active::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 6px;
}
.header-cta{flex:0 0 auto}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,106,46,.24)}
.btn-primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#BBD6EE}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand)}
.btn-light{background:rgba(255,255,255,.1);color:#fff;border-color:rgba(255,255,255,.45)}
.btn-light:hover{background:rgba(255,255,255,.2);color:#fff}
.btn-sm{height:42px;padding:0 18px;font-size:14px}
.btn-block{width:100%}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none}

/* ---------- Mobile drawer ---------- */
.hamburger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:12px;background:#fff;cursor:pointer;color:var(--brand-deep);
}
.hamburger:hover{background:var(--brand-soft)}
.drawer{
  position:fixed;inset:0;z-index:120;background:#fff;display:none;
  flex-direction:column;padding:18px 20px 20px;
}
.drawer.is-open{display:flex}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;cursor:pointer;color:var(--brand-deep);
}
.drawer-nav{flex:1;overflow-y:auto;padding-top:8px}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--muted);margin:16px 0 6px}
.drawer-nav a{
  display:block;font-size:18px;color:var(--ink);padding:13px 0;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{color:var(--brand)}
.drawer-foot{padding-top:16px;border-top:1px solid var(--line)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--brand-deep);color:#fff;isolation:isolate}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  opacity:.4;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(7,43,79,.97) 0%,rgba(7,43,79,.9) 52%,rgba(10,54,96,.72) 100%);
}
.hero-inner{
  position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;
  gap:56px;align-items:center;padding:84px 0 92px;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(234,243,251,.14);border:1px solid rgba(187,214,238,.35);
  color:#CFE4F7;font-size:12px;letter-spacing:.08em;font-weight:600;
}
.eyebrow-dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-title{font-size:46px;line-height:1.22;margin:20px 0 18px;font-weight:700;max-width:640px}
.hero-sub{color:#C7DCEE;font-size:17px;line-height:1.85;max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 32px}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 28px;color:#B6CFE5;font-size:14px}
.hero-points span{display:inline-flex;align-items:center;gap:8px}
.hero-points svg{color:var(--teal);flex:0 0 auto}

.flow-card{
  background:#fff;color:var(--ink);border-radius:20px;padding:28px;
  box-shadow:0 26px 60px rgba(4,25,48,.38);
}
.flow-card h2{font-size:16px;color:var(--brand-deep);margin:0 0 4px}
.flow-card .flow-note{font-size:13px;color:var(--muted);margin-bottom:20px}
.flow-step{position:relative;display:grid;grid-template-columns:36px 1fr;gap:14px;padding-bottom:20px}
.flow-step:last-child{padding-bottom:0}
.flow-step:not(:last-child)::before{
  content:"";position:absolute;left:17px;top:38px;bottom:4px;width:2px;
  background:linear-gradient(180deg,#CFE1F2,#EDF4FA);
}
.flow-num{
  width:36px;height:36px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{font-size:15px;margin:6px 0 4px}
.flow-step p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ---------- Section head ---------- */
.section-head{max-width:740px;margin-bottom:44px}
.kicker{font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;margin-bottom:12px}
.section-head h2{font-size:30px;line-height:1.35;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16px}

/* ---------- Capability grid ---------- */
.cap-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start}
.cap-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.cap-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:#CBE0F2}
.cap-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.cap-card h3{font-size:20px;line-height:1.4;margin-bottom:10px}
.cap-card p{color:var(--muted);font-size:15px;line-height:1.8}
.cap-media{border-radius:16px;overflow:hidden;margin-bottom:18px;background:#E8EFF6}
.cap-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.cap-list{display:grid;gap:8px;margin-top:16px}
.cap-list li{position:relative;padding-left:18px;font-size:14.5px;color:#31465C;line-height:1.7}
.cap-list li::before{
  content:"";position:absolute;left:0;top:10px;width:6px;height:6px;border-radius:2px;
  background:var(--brand);opacity:.55;
}

/* ---------- Compare table ---------- */
.table-wrap{
  overflow-x:auto;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--shadow);
}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  background:var(--brand-soft);color:var(--brand-deep);
  font-size:14px;font-weight:600;text-align:left;padding:16px 22px;white-space:nowrap;
}
tbody td{padding:16px 22px;border-top:1px solid var(--line);font-size:15px;color:#31465C;vertical-align:top}
tbody th{
  padding:16px 22px;border-top:1px solid var(--line);font-size:15px;font-weight:600;
  text-align:left;color:var(--brand-deep);background:#FBFDFF;white-space:nowrap;
}
tbody tr:hover td{background:#F8FBFE}
.table-note{font-size:13px;color:var(--muted);margin-top:14px}

/* ---------- Scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:0 48px}
.scene-item{
  display:grid;grid-template-columns:44px 1fr;gap:16px;
  padding:24px 0;border-bottom:1px solid var(--line);
}
.scene-icon{
  width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
}
.scene-item h3{font-size:18px;margin-bottom:6px}
.scene-item p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- Note band ---------- */
.note-band{
  background:var(--brand-soft);border:1px solid #CFE4F7;border-radius:20px;
  padding:34px 36px;display:grid;grid-template-columns:repeat(3,1fr);gap:28px;margin-top:52px;
}
.note-band h3{font-size:16px;margin-bottom:8px;color:var(--brand-deep)}
.note-band p{font-size:14.5px;color:#3E5871;line-height:1.8}

/* ---------- FAQ ---------- */
.faq-grid{display:grid;grid-template-columns:.85fr 1.15fr;gap:56px;align-items:start}
.faq-aside h2{font-size:30px;line-height:1.35;margin-bottom:14px}
.faq-aside p{color:var(--muted);font-size:16px;margin-bottom:24px}
.faq-aside .btn{width:auto}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  background:none;border:0;padding:20px 0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{flex:0 0 20px;color:var(--brand);transition:transform .22s ease;margin-top:3px}
.faq-item.is-open .faq-icon{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease}
.faq-a p{margin:0 0 20px;color:var(--muted);font-size:15px;line-height:1.85;padding-right:34px}
.faq-item.is-open .faq-a{max-height:420px}

/* ---------- CTA band ---------- */
.cta-wrap{padding:0 0 96px}
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--brand-deep);color:#fff;
  padding:52px 56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(95deg,rgba(7,43,79,.96),rgba(7,43,79,.78));
}
.cta-text{position:relative;z-index:2;max-width:640px}
.cta-text h2{font-size:28px;line-height:1.35;margin-bottom:12px}
.cta-text p{color:#C2D8EA;font-size:15.5px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px}

/* ---------- Footer ---------- */
.site-footer{background:#072B4F;color:#DCE9F5;padding:72px 0 0}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;
  padding-bottom:44px;border-bottom:1px solid rgba(255,255,255,.14);
}
.site-footer .logo{color:#fff;font-size:19px;margin-bottom:14px}
.site-footer .logo:hover{color:#fff}
.site-footer .logo-mark{background:var(--brand);color:#fff}
.footer-desc{color:#A9C4DC;font-size:14px;line-height:1.85;max-width:330px}
.footer-col h4{font-size:14px;margin-bottom:14px;color:#fff;font-weight:600}
.footer-col a{display:block;color:#BFD6EA;font-size:14px;padding:6px 0}
.footer-col a:hover{color:#fff}
.footer-info{font-size:14px;color:#A9C4DC;line-height:1.95}
.footer-info strong{color:#fff;font-weight:600}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  padding:22px 0 30px;font-size:13px;color:#8FAAC4;line-height:1.7;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{max-width:1040px}
  .hero-inner{grid-template-columns:1fr 1fr;gap:40px}
  .hero-title{font-size:40px}
  .nav-link{padding:8px 10px;font-size:14px}
}
@media (max-width:1023px){
  .nav-pill{display:none}
  .header-cta{display:none}
  .hamburger{display:inline-flex}
  .section{padding:72px 0}
  .hero-inner{grid-template-columns:1fr;padding:64px 0 72px}
  .hero-title{font-size:36px;max-width:none}
  .flow-card{max-width:520px}
  .cap-grid{grid-template-columns:1fr;gap:20px}
  .scene-grid{grid-template-columns:1fr;gap:0}
  .faq-grid{grid-template-columns:1fr;gap:32px}
  .note-band{grid-template-columns:1fr;gap:22px;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px}
  .cta-actions{width:100%}
}
@media (max-width:767px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .header-inner{height:68px}
  .hero-title{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .hero-points{gap:10px 20px;font-size:13px}
  .section-head h2{font-size:24px}
  .faq-aside h2{font-size:24px}
  .cta-text h2{font-size:22px}
  .cta-band{padding:30px 24px}
  .cap-card{padding:20px}
  .cta-wrap{padding-bottom:56px}
  .footer-grid{padding-bottom:32px}
  .footer-bottom{padding:18px 0 26px}
}
@media (max-width:480px){
  .btn{width:100%}
  .faq-aside .btn{width:100%}
  .cta-actions .btn{width:100%}
  .hero-title{font-size:26px}
  .flow-card{padding:20px}
  .hero-badge-line{display:none}
}

/* roulang page: category4 */
:root{
  --brand-deep:#072B4F;
  --brand:#1266B8;
  --brand-light:#EAF3FB;
  --orange:#F26A2E;
  --orange-dark:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --band:#EDF4FA;
  --ink:#0E1B2A;
  --ink-2:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warning:#B7791F;
  --error:#C0392B;
  --radius-card:18px;
  --radius-btn:10px;
  --shadow:0 10px 30px rgba(10,45,80,.08);
  --shadow-hover:0 18px 44px rgba(10,45,80,.14);
  --container:1200px;
  --font: "PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4{margin:0;font-weight:600;line-height:1.3;letter-spacing:0;}
p{margin:0;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.tnum{font-variant-numeric:tabular-nums;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(10,45,80,.09);}
.header-inner{
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
  height:76px;
  display:flex;
  align-items:center;
  gap:24px;
  justify-content:space-between;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--brand-deep);
  white-space:nowrap;
}
.logo-mark{
  width:34px;height:34px;border-radius:10px;
  background:var(--brand-deep);color:#fff;
  display:grid;place-items:center;flex:none;
}
.nav-pill{
  display:flex;align-items:center;gap:2px;
  background:#F2F7FC;
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px;
}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 13px;
  border-radius:999px;
  font-size:15px;font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-link:hover{background:#E4EEF8;color:var(--brand-deep);}
.nav-link.is-active{
  background:var(--brand-light);
  color:var(--brand);
  font-weight:600;
}
.nav-link.is-active::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:var(--orange);
  flex:none;
}
.header-actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--orange);color:#fff;box-shadow:0 8px 20px rgba(242,106,46,.22);}
.btn-primary:hover{background:var(--orange-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(242,106,46,.28);}
.btn-primary:active{transform:translateY(0);background:#C24310;}
.btn-ghost{background:#fff;color:var(--brand);border-color:#B9D3EC;}
.btn-ghost:hover{background:var(--brand-light);border-color:var(--brand);}
.btn-ghost:active{background:#DCEBF8;}
.btn-sm{height:42px;padding:0 18px;font-size:14px;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-deep);
  place-items:center;
  cursor:pointer;
}
.nav-toggle:hover{background:var(--brand-light);}

/* Mobile drawer */
.drawer{
  position:fixed;inset:0;z-index:80;
  background:#fff;
  display:flex;flex-direction:column;
  transform:translateY(-100%);
  opacity:0;visibility:hidden;
  transition:transform .28s ease,opacity .28s ease,visibility .28s;
}
.drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.drawer-head{
  display:flex;align-items:center;justify-content:space-between;
  height:76px;padding:0 20px;border-bottom:1px solid var(--line);
  flex:none;
}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;display:grid;place-items:center;color:var(--brand-deep);cursor:pointer;
}
.drawer-close:hover{background:var(--brand-light);}
.drawer-body{flex:1;overflow-y:auto;padding:20px;}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--ink-2);margin:6px 0 10px;font-weight:600;}
.drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  font-size:18px;font-weight:500;color:var(--ink);
  padding:14px 12px;border-radius:12px;
}
.drawer-link:hover{background:var(--brand-light);color:var(--brand);}
.drawer-link.is-active{color:var(--brand);background:var(--brand-light);font-weight:600;}
.drawer-link .dot{width:6px;height:6px;border-radius:50%;background:var(--orange);}
.drawer-foot{flex:none;padding:16px 20px 24px;border-top:1px solid var(--line);background:#fff;}
.drawer-foot .btn{width:100%;}

/* ---------- Channel hero ---------- */
.channel-hero{
  position:relative;
  background:var(--brand-deep);
  color:#fff;
  padding:76px 0 104px;
  overflow:hidden;
}
.channel-hero .hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.3;
}
.channel-hero .hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(7,43,79,.95) 0%,rgba(7,43,79,.80) 52%,rgba(7,43,79,.52) 100%);
}
.channel-hero .hero-dots{
  position:absolute;right:-40px;bottom:-40px;width:320px;height:320px;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.35;pointer-events:none;
}
.channel-inner{position:relative;z-index:2;max-width:820px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;font-weight:600;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
  color:#E6F1FB;
  text-transform:uppercase;
}
.eyebrow .pulse{width:6px;height:6px;border-radius:50%;background:var(--orange);}
.channel-hero h1{
  font-size:46px;line-height:1.2;font-weight:700;
  margin:20px 0 16px;
  color:#fff;
}
.channel-hero h1 em{font-style:normal;color:#9CC9F2;}
.channel-hero .lede{
  font-size:17px;line-height:1.85;color:#C8DCEE;max-width:700px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.hero-tag{
  font-size:13px;color:#D8E8F6;
  padding:7px 15px;border-radius:999px;
  border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.07);
}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:32px;margin-top:34px;
  padding-top:26px;border-top:1px solid rgba(255,255,255,.16);
}
.hero-meta-item strong{display:block;font-size:24px;font-weight:700;color:#fff;}
.hero-meta-item span{font-size:13px;color:#A9C6DF;}

/* ---------- Sections ---------- */
.section{padding:0;}
.section-pad{padding:88px 0 0;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:34px;
}
.section-head h2{font-size:30px;line-height:1.3;color:var(--brand-deep);}
.section-head .sub{font-size:15px;color:var(--ink-2);margin-top:10px;max-width:640px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  transition:gap .18s ease,color .18s ease;
}
.link-more:hover{gap:12px;color:var(--brand-deep);}

/* ---------- Featured ---------- */
.featured-section{margin-top:-58px;position:relative;z-index:5;}
.featured-card{
  display:grid;
  grid-template-columns:1.08fr .92fr;
  background:#fff;
  border:1px solid var(--line);
  border-radius:22px;
  overflow:hidden;
  box-shadow:0 18px 44px rgba(10,45,80,.12);
  transition:transform .18s ease,box-shadow .18s ease;
}
.featured-card:hover{transform:translateY(-3px);box-shadow:0 24px 56px rgba(10,45,80,.18);}
.featured-body{padding:40px;display:flex;flex-direction:column;gap:16px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  align-self:flex-start;
  font-size:12px;font-weight:600;letter-spacing:.04em;
  padding:6px 12px;border-radius:999px;
  background:var(--brand-light);color:var(--brand);
}
.badge.orange{background:#FDECE4;color:#C2470F;}
.badge.teal{background:#E4F5F2;color:#0B7D70;}
.featured-body h3{
  font-size:27px;line-height:1.36;color:var(--brand-deep);
}
.featured-body p{font-size:15px;line-height:1.85;color:var(--ink-2);}
.featured-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:auto;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.featured-media{position:relative;min-height:320px;background:#E3EDF6;overflow:hidden;}
.featured-media img{width:100%;height:100%;object-fit:cover;}
.featured-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,43,79,0) 55%,rgba(7,43,79,.35) 100%);
}

/* ---------- Filter ---------- */
.filter-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin:44px 0 30px;
}
.filter-label{font-size:13px;color:var(--ink-2);margin-right:6px;font-weight:600;}
.chip{
  font-size:14px;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink-2);
  cursor:pointer;
  transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;
}
.chip:hover{background:var(--brand-light);color:var(--brand);border-color:#BBD6EE;}
.chip.is-on{
  background:var(--brand-deep);color:#fff;border-color:var(--brand-deep);
  box-shadow:0 8px 18px rgba(7,43,79,.18);
}

/* ---------- Article grid ---------- */
.article-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.article-card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .18s ease,box-shadow .18s ease;
}
.article-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.article-card .thumb{
  aspect-ratio:16/9;overflow:hidden;background:#E7EEF6;
}
.article-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .45s ease;
}
.article-card:hover .thumb img{transform:scale(1.04);}
.card-body{padding:26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{
  font-size:20px;line-height:1.45;color:var(--brand-deep);
  transition:color .16s ease;
}
.article-card:hover .card-body h3{color:var(--brand);}
.card-body p{font-size:14px;line-height:1.8;color:var(--ink-2);}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-2);
}
.arrow{display:inline-flex;align-items:center;gap:4px;color:var(--brand);font-weight:600;font-size:13px;transition:gap .16s ease;}
.article-card:hover .arrow{gap:9px;}

/* ---------- Quote band ---------- */
.quote-band{
  margin-top:64px;
  background:var(--band);
  border-left:4px solid var(--brand);
  border-radius:18px;
  padding:44px 44px 38px;
  position:relative;
}
.quote-band blockquote{
  margin:0;
  font-size:22px;line-height:1.65;font-weight:600;color:var(--brand-deep);
  max-width:900px;
}
.quote-band cite{
  display:block;margin-top:18px;
  font-style:normal;font-size:14px;color:var(--ink-2);
}
.quote-mark{
  font-size:52px;line-height:1;color:#B9D3EC;font-weight:700;
  display:block;margin-bottom:6px;
}

/* ---------- Framework ---------- */
.framework-list{border-top:1px solid var(--line);}
.framework-item{
  display:grid;
  grid-template-columns:72px 1fr 1.1fr;
  gap:32px;
  align-items:start;
  padding:30px 0;
  border-bottom:1px solid var(--line);
  transition:background .18s ease;
}
.framework-item:hover{background:#FBFDFF;}
.framework-num{
  font-size:15px;font-weight:700;color:var(--brand);
  font-variant-numeric:tabular-nums;
  letter-spacing:.04em;
  padding-top:2px;
}
.framework-item h3{font-size:19px;color:var(--brand-deep);}
.framework-item p{font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{
  display:grid;
  grid-template-columns:.8fr 1.2fr;
  gap:56px;
  align-items:start;
}
.faq-side h2{font-size:30px;color:var(--brand-deep);margin-bottom:14px;}
.faq-side p{font-size:15px;color:var(--ink-2);max-width:340px;}
.faq-side .btn{margin-top:24px;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;
  background:none;border:0;
  font-size:16px;font-weight:600;color:var(--ink);
  text-align:left;cursor:pointer;
  transition:color .16s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  width:22px;height:22px;flex:none;
  display:grid;place-items:center;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{display:grid;grid-template-rows:0fr;transition:grid-template-rows .28s ease;}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--ink-2);
  padding:0 40px 22px 0;margin:0;
}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:88px;
  background:var(--brand-deep);
  border-radius:24px;
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  position:relative;overflow:hidden;
  color:#fff;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,102,184,.45) 0%,rgba(18,102,184,0) 70%);
}
.cta-band h2{font-size:28px;line-height:1.35;color:#fff;position:relative;z-index:1;}
.cta-band p{font-size:15px;color:#B9D2E8;margin-top:12px;max-width:620px;position:relative;z-index:1;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;flex:none;}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{background:#EAF3FB;transform:translateY(-1px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.4);}
.btn-outline-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-deep);
  color:#DCE9F5;
  padding:72px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:48px;
}
.footer-brand .logo{color:#fff;font-size:20px;}
.footer-brand .logo-mark{background:#1266B8;}
.footer-desc{
  font-size:14px;line-height:1.85;color:#A9C6DF;
  margin-top:16px;max-width:320px;
}
.footer-col h4{
  font-size:14px;font-weight:600;color:#fff;
  margin-bottom:16px;letter-spacing:.04em;
}
.footer-col a{
  display:block;
  font-size:14px;color:#B9D2E8;
  padding:6px 0;
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-info{font-size:14px;line-height:1.9;color:#B9D2E8;}
.footer-info strong{color:#E8F2FA;font-weight:600;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-top:48px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;color:#93B3CE;
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .container{padding:0 24px;}
  .header-inner{gap:16px;}
  .nav-link{padding:8px 11px;font-size:14px;}
  .channel-hero h1{font-size:40px;}
}
@media (max-width:1100px){
  .nav-pill{display:none;}
  .header-cta{display:none;}
  .nav-toggle{display:grid;}
}
@media (max-width:1023px){
  .header-inner{height:68px;padding:0 20px;}
  .channel-hero{padding:56px 0 96px;}
  .channel-hero h1{font-size:34px;}
  .channel-hero .lede{font-size:16px;}
  .featured-card{grid-template-columns:1fr;}
  .featured-media{min-height:0;aspect-ratio:16/9;order:-1;}
  .featured-body{padding:32px;}
  .featured-body h3{font-size:23px;}
  .article-grid{gap:22px;}
  .faq-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-side p{max-width:none;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .header-inner{padding:0 16px;}
  .logo{font-size:18px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;}
  .channel-hero{padding:44px 0 82px;}
  .channel-hero h1{font-size:29px;margin:16px 0 12px;}
  .channel-hero .lede{font-size:15px;}
  .hero-tags{gap:8px;margin-top:22px;}
  .hero-tag{font-size:12px;padding:6px 12px;}
  .hero-meta{gap:22px;margin-top:26px;padding-top:20px;}
  .hero-meta-item strong{font-size:20px;}
  .featured-section{margin-top:-44px;}
  .featured-body{padding:24px;}
  .featured-body h3{font-size:21px;}
  .article-grid{grid-template-columns:1fr;}
  .section-pad{padding:56px 0 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .section-head h2{font-size:24px;}
  .card-body{padding:20px;}
  .quote-band{padding:28px 24px;margin-top:48px;}
  .quote-band blockquote{font-size:18px;}
  .quote-mark{font-size:40px;}
  .framework-item{grid-template-columns:1fr;gap:10px;padding:24px 0;}
  .framework-item h3{font-size:17px;}
  .faq-side h2{font-size:24px;}
  .faq-q{font-size:15px;padding:18px 0;}
  .faq-a p{padding-right:0;font-size:14px;}
  .cta-band{margin-top:56px;padding:28px 24px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .site-footer{margin-top:64px;padding:52px 0 24px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;gap:10px;margin-top:32px;}
  .filter-row{margin:32px 0 24px;}
}
@media (max-width:480px){
  .channel-hero h1{font-size:26px;}
  .btn{width:100%;}
  .hero-tags{display:none;}
  .featured-meta{gap:10px;}
}

.img-fallback{
  background:#E7EEF6;
  min-height:180px;
}

/* roulang page: category5 */
:root{
  --brand-deep:#072B4F;
  --brand:#1266B8;
  --brand-soft:#EAF3FB;
  --brand-mid:#0B3459;
  --accent:#F26A2E;
  --accent-deep:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --shell:#EDF4FA;
  --card:#FFFFFF;
  --ink:#0E1B2A;
  --sub:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warn:#B7791F;
  --error:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-media:16px;
  --shadow:0 10px 30px rgba(10,45,80,.08);
  --shadow-hover:0 18px 44px rgba(10,45,80,.14);
  --container:1200px;
  --gap:24px;
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.8;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
body.is-locked{overflow:hidden;}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;}
a:hover{color:var(--brand-deep);}
button{font-family:inherit;font-size:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--ink);}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:0;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
svg{display:block;}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:2px;border-radius:6px;}

/* ============ 容器与板块 ============ */
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:96px 0;}
.section--shell{background:var(--shell);}
.section--white{background:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:32px;
  margin-bottom:40px;
}
.section-head__text{max-width:680px;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  margin-bottom:14px;
}
.eyebrow::before{
  content:"";
  width:18px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.section-title{
  font-size:30px;
  line-height:1.3;
  font-weight:700;
}
.section-desc{
  margin-top:14px;
  font-size:15.5px;
  color:var(--sub);
  line-height:1.8;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15.5px;
  font-weight:600;
  border:1px solid transparent;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
  white-space:nowrap;
}
.btn-primary{
  background:var(--accent);
  color:#fff;
  box-shadow:0 8px 20px rgba(242,106,46,.22);
}
.btn-primary:hover{background:var(--accent-deep);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:#fff;
  color:var(--brand);
  border-color:#BED6EC;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:var(--brand);}
.btn-ghost-light{
  background:rgba(255,255,255,.08);
  color:#fff;
  border-color:rgba(255,255,255,.32);
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);color:#fff;}
.btn-text{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:15px;
  font-weight:600;
  color:var(--brand);
}
.btn-text .arrow{transition:transform .18s ease;}
.btn-text:hover{color:var(--brand-deep);}
.btn-text:hover .arrow{transform:translateX(4px);}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn-block{width:100%;}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--brand-soft);
  color:var(--brand-deep);
  letter-spacing:.01em;
}
.badge--accent{background:rgba(242,106,46,.12);color:var(--accent-deep);}
.badge--teal{background:rgba(18,165,148,.12);color:#0E7C70;}
.badge--line{background:#fff;border:1px solid var(--line);color:var(--sub);font-weight:500;}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  height:76px;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(10,45,80,.09);}
.header-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:20px;
  font-weight:700;
  color:var(--ink);
  letter-spacing:.01em;
  flex-shrink:0;
}
.logo:hover{color:var(--brand-deep);}
.logo-mark{
  width:34px;height:34px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:grid;
  place-items:center;
  flex-shrink:0;
}
.nav-pill{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:2px;
  background:var(--shell);
  border:1px solid var(--line);
  border-radius:999px;
  padding:5px;
}
.nav-link{
  position:relative;
  padding:9px 14px;
  border-radius:999px;
  font-size:14.5px;
  font-weight:500;
  color:var(--sub);
  transition:background .16s ease,color .16s ease;
}
.nav-link:hover{background:#fff;color:var(--brand-deep);}
.nav-link.is-active{
  background:var(--brand-soft);
  color:var(--brand-deep);
  font-weight:600;
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  top:7px;right:9px;
  width:6px;height:6px;
  border-radius:50%;
  background:var(--accent);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand-deep);
  place-items:center;
}
.nav-toggle:hover{background:var(--brand-soft);}

/* ============ 移动抽屉 ============ */
.drawer{
  position:fixed;
  inset:0;
  z-index:120;
  background:#fff;
  display:flex;
  flex-direction:column;
  transform:translateX(100%);
  transition:transform .28s ease;
  visibility:hidden;
}
.drawer.is-open{transform:translateX(0);visibility:visible;}
.drawer-top{
  display:flex;
  align-items:center;
  justify-content:space-between;
  height:76px;
  padding:0 16px;
  border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  display:grid;place-items:center;
  color:var(--brand-deep);
}
.drawer-body{flex:1;overflow-y:auto;padding:20px 16px 16px;}
.drawer-group-title{
  font-size:12px;
  letter-spacing:.08em;
  color:var(--sub);
  font-weight:600;
  margin:6px 0 10px;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding:14px 14px;
  border-radius:12px;
  font-size:18px;
  font-weight:500;
  color:var(--ink);
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand-deep);}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand-deep);font-weight:600;}
.drawer-foot{
  padding:16px;
  border-top:1px solid var(--line);
  background:#fff;
}

/* ============ 频道头部 ============ */
.case-hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  padding:76px 0 68px;
  background-color:var(--brand-deep);
  background-image:linear-gradient(115deg,rgba(7,43,79,.96) 0%,rgba(7,43,79,.9) 46%,rgba(11,52,89,.84) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.case-hero::after{
  content:"";
  position:absolute;
  right:-80px;top:-60px;
  width:420px;height:420px;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:16px 16px;
  opacity:.16;
  pointer-events:none;
}
.case-hero .container{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:56px;
  align-items:center;
}
.hero-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;
  font-weight:600;
  letter-spacing:.06em;
  color:#DCE9F5;
  margin-bottom:22px;
}
.hero-label .dot{
  width:6px;height:6px;border-radius:50%;background:var(--accent);
}
.hero-title{
  font-size:46px;
  line-height:1.2;
  font-weight:700;
  color:#fff;
  max-width:620px;
}
.hero-title em{
  font-style:normal;
  color:#FFC6A8;
}
.hero-sub{
  margin-top:20px;
  max-width:600px;
  font-size:16.5px;
  line-height:1.85;
  color:#C7DAEA;
}
.hero-points{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.stat-pill{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:9px 16px;
  border-radius:999px;
  background:rgba(255,255,255,.09);
  border:1px solid rgba(255,255,255,.18);
  font-size:13.5px;
  color:#E4EFF8;
}
.stat-pill strong{
  font-size:15px;
  font-weight:700;
  color:#fff;
  font-variant-numeric:tabular-nums;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:32px;
}
.hero-panel{
  background:var(--brand-mid);
  border:1px solid rgba(255,255,255,.16);
  border-radius:20px;
  padding:26px;
  box-shadow:0 24px 60px rgba(3,20,38,.4);
}
.hero-panel h2{
  font-size:15px;
  font-weight:600;
  color:#fff;
  margin-bottom:4px;
}
.hero-panel .panel-note{
  font-size:13px;
  color:#9FBDD6;
  margin-bottom:18px;
}
.path-list{display:grid;gap:14px;}
.path-item{
  display:grid;
  grid-template-columns:28px 1fr;
  gap:12px;
  align-items:start;
}
.path-index{
  width:28px;height:28px;
  border-radius:9px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.18);
  color:#FFC6A8;
  font-size:12.5px;
  font-weight:700;
  display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.path-item h3{
  font-size:14.5px;
  font-weight:600;
  color:#fff;
  line-height:1.5;
}
.path-item p{
  font-size:13px;
  color:#A9C4DA;
  line-height:1.7;
  margin-top:2px;
}
.panel-foot{
  margin-top:20px;
  padding-top:16px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:12.5px;
  color:#8FB0C9;
  line-height:1.7;
}

/* ============ 案例卡 ============ */
.case-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.case-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .18s ease,box-shadow .18s ease;
}
.case-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.case-cover{
  position:relative;
  aspect-ratio:16/9;
  background:var(--shell);
  overflow:hidden;
}
.case-cover img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .3s ease;
}
.case-card:hover .case-cover img{transform:scale(1.03);}
.case-cover .badge{
  position:absolute;
  top:14px;left:14px;
  background:rgba(255,255,255,.94);
  color:var(--brand-deep);
  box-shadow:0 4px 12px rgba(10,45,80,.12);
}
.case-body{
  padding:24px;
  display:flex;
  flex-direction:column;
  gap:14px;
  flex:1;
}
.case-title{
  font-size:19px;
  line-height:1.45;
  font-weight:700;
}
.case-need{
  font-size:14.5px;
  color:var(--sub);
  line-height:1.8;
}
.case-results{
  display:grid;
  gap:9px;
  margin-top:2px;
  padding-top:16px;
  border-top:1px dashed var(--line);
}
.case-results li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:#2A3B4D;
  line-height:1.7;
}
.case-results li::before{
  content:"";
  position:absolute;
  left:0;top:9px;
  width:9px;height:9px;
  border-radius:3px;
  background:var(--brand-soft);
  border:2px solid var(--brand);
}
.case-foot{
  margin-top:auto;
  padding-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.case-meta{
  font-size:12.5px;
  color:var(--sub);
}
.case-note{
  margin-top:28px;
  font-size:13px;
  color:var(--sub);
  line-height:1.8;
  padding:14px 18px;
  background:#fff;
  border:1px dashed var(--line);
  border-radius:14px;
}

/* ============ 证言 ============ */
.quote-band{
  position:relative;
  overflow:hidden;
  background:var(--brand-deep);
  color:#fff;
  border-radius:22px;
  padding:52px;
}
.quote-band::after{
  content:"";
  position:absolute;
  left:-60px;bottom:-80px;
  width:320px;height:320px;
  border-radius:50%;
  border:38px solid rgba(255,255,255,.05);
  pointer-events:none;
}
.quote-mark{
  font-size:52px;
  line-height:1;
  color:var(--accent);
  font-weight:700;
  margin-bottom:10px;
}
.quote-text{
  font-size:24px;
  line-height:1.65;
  font-weight:600;
  max-width:900px;
  color:#F2F8FD;
}
.quote-author{
  margin-top:24px;
  display:flex;
  align-items:center;
  gap:14px;
  flex-wrap:wrap;
  font-size:14px;
  color:#A9C4DA;
}
.quote-author .line{
  width:36px;height:2px;
  background:var(--accent);
  border-radius:2px;
}
.quote-author strong{color:#fff;font-weight:600;}

/* ============ 流程 ============ */
.step-grid{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:20px;
}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:26px 24px;
  box-shadow:var(--shadow);
  position:relative;
}
.step-card .step-num{
  font-size:13px;
  font-weight:700;
  color:var(--brand);
  letter-spacing:.08em;
  font-variant-numeric:tabular-nums;
}
.step-card h3{
  margin-top:10px;
  font-size:17px;
  line-height:1.5;
  font-weight:600;
}
.step-card p{
  margin-top:10px;
  font-size:14px;
  color:var(--sub);
  line-height:1.8;
}
.step-card::before{
  content:"";
  position:absolute;
  top:0;left:24px;
  width:36px;height:3px;
  border-radius:0 0 3px 3px;
  background:var(--brand);
}

/* ============ FAQ ============ */
.faq-layout{
  display:grid;
  grid-template-columns:.85fr 1.15fr;
  gap:56px;
  align-items:start;
}
.faq-aside p{
  margin-top:16px;
  font-size:15px;
  color:var(--sub);
  line-height:1.85;
}
.faq-aside .btn{margin-top:24px;}
.faq-list{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:20px 24px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--ink);
  transition:background .16s ease,color .16s ease;
}
.faq-q:hover{background:var(--brand-soft);color:var(--brand-deep);}
.faq-q h3{
  font-size:16px;
  font-weight:600;
  line-height:1.6;
  margin:0;
}
.faq-icon{
  flex-shrink:0;
  width:20px;height:20px;
  position:relative;
  color:var(--brand);
  transition:transform .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px;}
.faq-icon::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);}
.faq-a{
  display:grid;
  grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq-item.is-open .faq-a{grid-template-rows:1fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 24px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--sub);
}

/* ============ CTA 带 ============ */
.cta-band{
  background:linear-gradient(100deg,var(--brand-soft) 0%,#F7FBFE 70%);
  border:1px solid var(--line);
  border-radius:22px;
  padding:44px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
}
.cta-band h2{
  font-size:26px;
  line-height:1.4;
  font-weight:700;
}
.cta-band p{
  margin-top:12px;
  font-size:15px;
  color:var(--sub);
  line-height:1.8;
  max-width:640px;
}
.cta-actions{
  display:flex;
  gap:12px;
  flex-wrap:wrap;
  flex-shrink:0;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#DCE9F5;
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.site-footer .logo{color:#fff;font-size:20px;}
.site-footer .logo-mark{background:rgba(255,255,255,.14);}
.footer-desc{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:#A9C4DA;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:600;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col a{
  display:block;
  font-size:14px;
  color:#BCD3E6;
  padding:5px 0;
  transition:color .16s ease,transform .16s ease;
}
.footer-col a:hover{color:#fff;transform:translateX(2px);}
.footer-info{
  font-size:13.5px;
  line-height:1.95;
  color:#A9C4DA;
}
.footer-info strong{color:#DCE9F5;font-weight:600;}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:22px;
  font-size:12.5px;
  color:#8FB0C9;
  line-height:1.8;
}

/* ============ 图片失败占位 ============ */
img.is-broken{
  background:var(--shell);
  min-height:120px;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{max-width:1040px;}
  .hero-title{font-size:42px;}
  .nav-link{padding:9px 11px;font-size:14px;}
}
@media (max-width:1023px){
  .nav-pill,.header-actions .btn{display:none;}
  .nav-toggle{display:grid;margin-left:auto;}
  .header-actions{margin-left:auto;}
  .section{padding:72px 0;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:36px;max-width:100%;}
  .case-grid{grid-template-columns:repeat(2,1fr);}
  .step-grid{grid-template-columns:repeat(2,1fr);}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .quote-band{padding:40px;}
  .quote-text{font-size:21px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:48px 0;}
  .container{padding:0 16px;}
  .case-hero{padding:52px 0 48px;}
  .hero-title{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-panel{padding:22px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .section-title{font-size:24px;}
  .case-grid{grid-template-columns:1fr;}
  .step-grid{grid-template-columns:1fr;}
  .quote-band{padding:30px 24px;border-radius:18px;}
  .quote-text{font-size:19px;}
  .quote-mark{font-size:40px;}
  .cta-band{padding:28px 22px;border-radius:18px;}
  .cta-band h2{font-size:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
  .faq-q{padding:18px 18px;}
  .faq-a p{padding:0 18px 18px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .hero-title{font-size:27px;}
  .hero-actions .btn{width:100%;}
  .stat-pill{font-size:12.5px;padding:8px 13px;}
  .case-body{padding:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .case-hero::after{display:none;}
}

/* roulang page: category6 */
:root{
  --deep:#072B4F;
  --brand:#1266B8;
  --brand-dark:#0E5092;
  --brand-light:#EAF3FB;
  --accent:#F26A2E;
  --accent-dark:#D94F12;
  --teal:#12A594;
  --bg:#F6F9FC;
  --card:#FFFFFF;
  --section:#EDF4FA;
  --text:#0E1B2A;
  --muted:#586A7E;
  --line:#DDE7F1;
  --success:#168A5B;
  --warn:#B7791F;
  --error:#C0392B;
  --r-card:18px;
  --r-btn:10px;
  --r-img:16px;
  --shadow-sm:0 10px 30px rgba(10,45,80,.08);
  --shadow-lg:0 18px 44px rgba(10,45,80,.14);
  --ring:0 0 0 3px rgba(18,102,184,.28);
  --container:1200px;
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","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;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
svg{display:block}
[hidden]{display:none !important}
:focus-visible{outline:3px solid rgba(18,102,184,.28);outline-offset:2px;border-radius:8px}
::selection{background:rgba(18,102,184,.16)}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(10,45,80,.08)}
.header-inner{height:76px;display:flex;align-items:center;gap:20px}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--deep);letter-spacing:.01em;white-space:nowrap;
}
.logo-mark{
  width:34px;height:34px;border-radius:10px;background:var(--deep);color:#fff;
  display:grid;place-items:center;flex:none;
}
.nav-pill{
  margin-left:auto;display:flex;align-items:center;gap:4px;
  background:var(--section);border-radius:999px;padding:5px;
}
.nav-link{
  position:relative;display:inline-flex;align-items:center;gap:7px;
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--muted);
  transition:color .18s ease,background .18s ease,box-shadow .18s ease;white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:#fff}
.nav-link.is-active{background:#fff;color:var(--brand);font-weight:600;box-shadow:0 2px 8px rgba(10,45,80,.06)}
.nav-link.is-active::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.header-cta{margin-left:8px}
.menu-btn{
  display:none;width:44px;height:44px;margin-left:auto;
  border:1px solid var(--line);border-radius:10px;background:#fff;
  align-items:center;justify-content:center;color:var(--deep);
  transition:background .18s ease,border-color .18s ease;
}
.menu-btn:hover{background:var(--section);border-color:#C9DEEF}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn svg{flex:none}
.btn-primary{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(242,106,46,.24)}
.btn-primary:hover{background:var(--accent-dark);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border:1px solid var(--brand);color:var(--brand);background:#fff}
.btn-outline:hover{background:var(--brand-light)}
.btn-light{background:#fff;color:var(--deep);border:1px solid rgba(255,255,255,.5)}
.btn-light:hover{background:#EAF3FB}
.btn-block{width:100%}
.btn-text{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.btn-text svg{transition:transform .18s ease}
.btn-text:hover svg{transform:translateX(4px)}

/* ---------- 频道头部 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--deep);color:#fff;
  padding:64px 0 76px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);
  background-size:24px 24px;opacity:.26;
}
.lane{position:absolute;border-radius:50%;pointer-events:none}
.lane-1{width:660px;height:660px;right:-200px;top:-260px;border:1px solid rgba(255,255,255,.12)}
.lane-2{width:460px;height:460px;right:-70px;top:-140px;border:1px solid rgba(18,102,184,.45)}
.lane-3{width:230px;height:230px;left:-110px;bottom:-130px;border:1px solid rgba(242,106,46,.28)}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;font-size:12px;letter-spacing:.08em;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);color:#CFE4F5;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--accent)}
.hero-title{
  margin-top:20px;font-size:46px;line-height:1.2;font-weight:700;letter-spacing:0;
}
.hero-desc{margin-top:18px;font-size:16px;line-height:1.85;color:#C4DAEC;max-width:580px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;font-size:13px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#D6E7F5;
}
.hero-search{
  margin-top:28px;display:flex;align-items:center;gap:12px;
  background:#fff;border-radius:12px;padding:6px 14px 6px 16px;max-width:580px;
  box-shadow:0 18px 44px rgba(3,20,38,.30);
  transition:box-shadow .2s ease;
}
.hero-search:focus-within{box-shadow:var(--ring),0 18px 44px rgba(3,20,38,.30)}
.hero-search .search-icon{color:var(--brand);flex:none}
.hero-search input{
  flex:1;min-width:0;height:46px;border:0;outline:none;background:transparent;
  font-size:15px;color:var(--text);
}
.hero-search input::placeholder{color:#93A6B8}
.search-hint{font-size:13px;color:var(--muted);white-space:nowrap;padding-right:4px}
.hero-media{
  position:relative;border-radius:20px;overflow:hidden;
  border:1px solid rgba(255,255,255,.18);
  box-shadow:0 24px 60px rgba(3,20,38,.34);
  aspect-ratio:4/3;background:rgba(255,255,255,.06);
}
.hero-media img{width:100%;height:100%;object-fit:cover}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(7,43,79,0) 42%,rgba(7,43,79,.78));
}
.hero-float{
  position:absolute;left:18px;right:18px;bottom:18px;z-index:3;
  background:rgba(255,255,255,.95);border-radius:14px;padding:14px 16px;
  display:flex;flex-direction:column;gap:4px;
}
.hero-float .float-label{font-size:12px;letter-spacing:.08em;color:var(--muted)}
.hero-float strong{font-size:15px;color:var(--deep);font-weight:600}

/* ---------- 板块通用 ---------- */
.section{padding:var(--sp-section) 0}
.section-tight{padding:64px 0 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:var(--brand);font-weight:600;
  margin-bottom:12px;
}
.section-kicker::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--accent)}
.section-title{font-size:30px;line-height:1.3;font-weight:700;color:var(--deep)}
.section-desc{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- 快捷入口 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.quick-card{
  display:flex;flex-direction:column;gap:10px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.quick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:#C9DEEF}
.quick-icon{
  width:40px;height:40px;border-radius:12px;background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;margin-bottom:4px;
}
.quick-card h3{font-size:17px;font-weight:600;color:var(--deep)}
.quick-card p{font-size:14px;color:var(--muted);line-height:1.75;flex:1}
.quick-card .more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);margin-top:6px;
}
.quick-card .more svg{transition:transform .18s ease}
.quick-card:hover .more svg{transform:translateX(4px)}

/* ---------- 帮助中心主体 ---------- */
.help-layout{display:grid;grid-template-columns:8fr 4fr;gap:32px;align-items:start}
.faq-group{margin-bottom:38px}
.faq-group:last-child{margin-bottom:0}
.group-title{
  display:flex;align-items:center;gap:10px;
  font-size:21px;font-weight:700;color:var(--deep);margin-bottom:16px;
}
.group-title::before{content:"";width:4px;height:20px;border-radius:2px;background:var(--brand)}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:#C9DEEF}
.faq-item.is-open{border-color:#BCD8EE;box-shadow:var(--shadow-sm)}
.faq-head{margin:0}
.faq-trigger{
  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(--text);line-height:1.6;
  transition:color .18s ease;
}
.faq-trigger:hover{color:var(--brand)}
.faq-icon{position:relative;flex:none;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--brand);border-radius:2px;
  transition:transform .22s ease,opacity .22s ease;
}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item.is-open .faq-icon::after{transform:rotate(90deg);opacity:0}
.faq-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .26s ease}
.faq-item.is-open .faq-panel{grid-template-rows:1fr}
.faq-panel-inner{overflow:hidden}
.faq-panel p{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--muted)}
.no-result{
  border:1px dashed #BFD5E8;border-radius:14px;background:#FBFDFF;
  padding:36px 24px;text-align:center;color:var(--muted);font-size:14px;
}
.no-result svg{margin:0 auto 10px;color:#9FBAD1}

/* 侧栏 */
.help-aside{position:sticky;top:100px;display:flex;flex-direction:column;gap:20px}
.aside-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--shadow-sm);
}
.aside-card h3{font-size:18px;font-weight:600;color:var(--deep);margin-bottom:8px}
.aside-card p{font-size:14px;color:var(--muted);line-height:1.8}
.contact-card{background:var(--deep);border:0;color:#fff}
.contact-card h3{color:#fff}
.contact-card p{color:#BBD3E8}
.contact-list{display:flex;flex-direction:column;gap:12px;margin:18px 0 22px;font-size:14px;color:#CFE4F5;line-height:1.7}
.contact-list li{display:flex;gap:10px;align-items:flex-start}
.contact-list svg{flex:none;margin-top:4px;color:#7FB6E4}
.aside-note{margin-top:14px;font-size:12px;color:#8FB2CC;line-height:1.7}
.aside-links{display:flex;flex-direction:column;gap:2px;margin-top:8px}
.aside-links a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14px;color:var(--text);
  transition:background .18s ease,color .18s ease;
}
.aside-links a:hover{background:var(--brand-light);color:var(--brand)}
.aside-links a svg{color:#9FBAD1}

/* ---------- 热门问题 ---------- */
.hot-list{display:grid;gap:12px}
.hot-item{
  display:flex;gap:16px;align-items:flex-start;
  background:var(--card);border:1px solid var(--line);border-radius:14px;
  padding:20px 22px;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.hot-item:hover{transform:translateY(-2px);box-shadow:var(--shadow-lg);border-color:#C9DEEF}
.hot-num{
  width:30px;height:30px;flex:none;border-radius:9px;
  background:var(--brand-light);color:var(--brand);
  font-size:14px;font-weight:700;display:grid;place-items:center;
}
.hot-item h3{font-size:16px;font-weight:600;color:var(--deep)}
.hot-item p{font-size:14px;color:var(--muted);margin-top:4px;line-height:1.75}
.hot-arrow{margin-left:auto;align-self:center;color:#9FBAD1;flex:none;transition:transform .18s ease}
.hot-item:hover .hot-arrow{transform:translateX(4px);color:var(--brand)}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--deep);color:#fff;border-radius:22px;
  padding:48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::before{
  content:"";position:absolute;right:-120px;top:-140px;width:380px;height:380px;
  border-radius:50%;border:1px solid rgba(255,255,255,.12);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-band h2{font-size:30px;line-height:1.3;font-weight:700}
.cta-band p{margin-top:12px;font-size:15px;line-height:1.85;color:#BBD3E8}
.cta-actions{position:relative;z-index:2;display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:#DCE9F5;padding:72px 0 28px;margin-top:var(--sp-section)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand .logo{color:#fff;font-size:20px}
.site-footer .logo-mark{background:rgba(255,255,255,.14)}
.footer-desc{margin-top:14px;font-size:14px;line-height:1.85;color:#A9C4DA;max-width:320px}
.footer-col h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:12px;letter-spacing:.02em}
.footer-col a{display:block;font-size:14px;color:#A9C4DA;padding:5px 0;transition:color .18s ease}
.footer-col a:hover{color:#fff}
.footer-info{font-size:13px;line-height:2;color:#A9C4DA}
.footer-info strong{color:#DCE9F5;font-weight:600}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8FAEC6;line-height:1.8;
}

/* ---------- 移动抽屉 ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:200;background:#fff;
  display:flex;flex-direction:column;
  transform:translateX(100%);visibility:hidden;
  transition:transform .28s ease,visibility .28s ease;
}
.mobile-drawer.is-open{transform:none;visibility:visible}
.drawer-head{
  height:76px;flex:none;display:flex;align-items:center;justify-content:space-between;
  padding:0 20px;border-bottom:1px solid var(--line);
}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  display:grid;place-items:center;color:var(--deep);
}
.drawer-close:hover{background:var(--section)}
.drawer-body{flex:1;overflow-y:auto;padding:20px}
.drawer-group-title{font-size:12px;letter-spacing:.08em;color:var(--muted);margin-bottom:10px}
.drawer-link{
  display:block;padding:14px 4px;font-size:18px;color:var(--text);
  border-bottom:1px solid #EEF4FA;transition:color .18s ease;
}
.drawer-link:hover{color:var(--brand)}
.drawer-link.is-active{color:var(--brand);font-weight:600}
.drawer-cta{flex:none;padding:16px 20px;border-top:1px solid var(--line)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  :root{--container:1040px}
  .hero-grid{grid-template-columns:6fr 6fr;gap:36px}
  .hero-title{font-size:40px}
  .nav-link{padding:8px 11px;font-size:14px}
}
@media (max-width:1023px){
  :root{--sp-section:72px}
  .nav-pill,.header-cta{display:none}
  .menu-btn{display:inline-flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-title{font-size:36px}
  .hero-media{aspect-ratio:16/9}
  .quick-grid{grid-template-columns:repeat(2,1fr)}
  .help-layout{grid-template-columns:1fr;gap:28px}
  .help-aside{position:static}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:767px){
  :root{--sp-section:48px}
  .container{padding:0 16px}
  .hero-title{font-size:30px;line-height:1.25}
  .page-hero{padding:44px 0 52px}
  .section-title{font-size:24px}
  .cta-band h2{font-size:24px}
  .cta-band{padding:32px 24px;border-radius:18px}
  .hot-item{padding:16px 18px}
  .faq-trigger{padding:16px 18px;font-size:15px}
  .faq-panel p{padding:0 18px 18px;font-size:14.5px}
  .hero-search{flex-wrap:wrap;padding:10px 14px}
  .hero-search input{height:40px;width:100%;flex:1 0 100%}
  .search-hint{padding:0}
  .footer-grid{grid-template-columns:repeat(2,1fr)}
  .footer-bottom{flex-direction:column;gap:8px}
  .section-tight{padding:48px 0 0}
}
@media (max-width:520px){
  .hero-title{font-size:27px}
  .quick-grid{grid-template-columns:1fr}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .btn{height:46px;padding:0 20px}
  .quick-card{padding:20px}
  .aside-card{padding:20px}
  .lane-1,.lane-2{display:none}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;scroll-behavior:auto !important}
}