/* roulang page: index */
:root{
  --primary:#1A5C82; --primary-deep:#123F59; --primary-soft:#E7F0F6;
  --jade:#0E9C86; --jade-soft:#E4F5F1;
  --clay:#D97742; --clay-deep:#C4652F;
  --ink:#14212B; --muted:#4E5D68; --line:#E3E9EE; --page:#F6F8FA; --card:#FFFFFF;
  --radius-card:14px; --radius-btn:10px; --radius-img:12px; --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(20,33,43,.05),0 1px 3px rgba(20,33,43,.06);
  --shadow-2:0 10px 24px -8px rgba(18,63,89,.16);
  --shadow-3:0 18px 40px -12px rgba(18,63,89,.22);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","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-cn);font-size:16px;line-height:1.7;color:var(--ink);
  background:var(--page);padding-bottom:64px;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--clay);}
button,input,textarea,select{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4{margin:0;letter-spacing:-0.01em;line-height:1.28;font-weight:700;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section--alt{background:#fff;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-head h2{font-size:32px;}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:var(--radius-pill);
  background:var(--jade-soft);color:#0B7C6B;font-size:13px;font-weight:600;letter-spacing:.04em;
}
.eyebrow--primary{background:var(--primary-soft);color:var(--primary);}
.badge{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--radius-pill);
  background:var(--jade-soft);color:#0B7C6B;font-size:13px;font-weight:600;letter-spacing:.03em;
}
.badge--solid{background:rgba(255,255,255,.9);color:var(--primary);backdrop-filter:saturate(1.2);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);border:1px solid transparent;font-size:15px;font-weight:600;line-height:1;
  cursor:pointer;transition:transform .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out,border-color .18s ease-out,color .18s ease-out;
}
.btn-primary{background:var(--clay);color:#fff;box-shadow:var(--shadow-1);}
.btn-primary:hover{background:var(--clay-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn-ghost{background:#fff;border-color:#D8E2EA;color:var(--primary);}
.btn-ghost:hover{border-color:var(--primary);background:#F2F7FA;color:var(--primary);}
.btn-ghost--onDark{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost--onDark:hover{background:rgba(255,255,255,.12);border-color:#fff;color:#fff;}
.btn-sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn:disabled{opacity:.4;cursor:not-allowed;}
.link-more{font-weight:600;font-size:15px;color:var(--primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;}
.link-more:hover{color:var(--clay);}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:#fff;}
.header-bar-inner{display:flex;flex-direction:column;}
.brand-row{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary);font-weight:700;font-size:20px;letter-spacing:-0.01em;}
.logo:hover{color:var(--primary);}
.logo-mark{display:inline-flex;width:34px;height:34px;align-items:center;justify-content:center;color:var(--primary);}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.08em;line-height:1.2;}
.brand-actions{display:flex;align-items:center;gap:16px;}
.site-search{display:flex;align-items:center;background:#F2F7FA;border:1px solid var(--line);border-radius:var(--radius-pill);padding:0 6px 0 16px;height:44px;min-width:260px;transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.site-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 2px var(--primary-soft);}
.site-search input{flex:1;border:0;background:transparent;height:42px;outline:none;font-size:14px;color:var(--ink);}
.site-search input::placeholder{color:#8A99A5;}
.site-search button{width:34px;height:34px;border:0;border-radius:50%;background:var(--primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;cursor:pointer;transition:background-color .18s ease-out;}
.site-search button:hover{background:var(--primary-deep);}
.header-contact{font-size:13px;color:var(--muted);white-space:nowrap;}
.menu-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;align-items:center;justify-content:center;cursor:pointer;}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);}
.menu-toggle span::before{top:-6px;}
.menu-toggle span::after{top:6px;}
.channel-row{background:rgba(26,92,130,.04);border-top:1px solid rgba(26,92,130,.06);}
.channel-inner{display:flex;align-items:center;gap:6px;height:52px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;align-items:center;height:52px;padding:0 14px;font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;white-space:nowrap;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;
}
.channel-link:hover{color:var(--primary);background:rgba(26,92,130,.06);}
.channel-link.is-active{color:var(--primary);border-bottom-color:var(--primary);background:rgba(26,92,130,.06);}
.site-header.is-compact{box-shadow:0 2px 12px rgba(18,63,89,.08);border-bottom:1px solid var(--line);}
.site-header.is-compact .header-bar-inner{flex-direction:row;align-items:center;gap:24px;height:64px;}
.site-header.is-compact .brand-row{height:64px;flex:0 0 auto;}
.site-header.is-compact .logo-mark{width:30px;height:30px;}
.site-header.is-compact .logo-text small{display:none;}
.site-header.is-compact .site-search,
.site-header.is-compact .header-contact{display:none;}
.site-header.is-compact .channel-row{flex:1 1 auto;background:transparent;border-top:0;overflow:hidden;}
.site-header.is-compact .channel-inner{height:64px;}

/* ---------- drawer ---------- */
.drawer-mask{position:fixed;inset:0;background:rgba(18,33,43,.45);z-index:80;opacity:0;pointer-events:none;transition:opacity .2s ease-out;}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:min(88vw,360px);background:#fff;z-index:90;
  transform:translateX(102%);transition:transform .24s ease-out;display:flex;flex-direction:column;
  padding:20px 22px 28px;overflow-y:auto;box-shadow:-8px 0 32px rgba(18,63,89,.18);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:10px;font-size:20px;line-height:1;cursor:pointer;color:var(--muted);}
.drawer-close:hover{border-color:var(--primary);color:var(--primary);}
.drawer-group{font-size:13px;font-weight:600;color:var(--jade);letter-spacing:.06em;margin:18px 0 8px;}
.drawer-link{display:block;padding:12px 0;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line);}
.drawer-link:hover{color:var(--primary);}
.drawer-link.is-active{color:var(--primary);}
.drawer .btn{margin-top:24px;width:100%;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#fff;padding:64px 0 72px;}
.hero::before{
  content:"";position:absolute;inset:0;opacity:.035;pointer-events:none;
  background-image:url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' width='56' height='64' viewBox='0 0 56 64'><g fill='none' stroke='%231A5C82' stroke-width='1'><path d='M28 2 52 16v28L28 58 4 44V16z'/><path d='M28 2 28 0M4 44 0 46M52 16 56 14'/></g></svg>");
  background-size:56px 64px;
}
.hero-inner{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;min-height:560px;}
.hero-copy h1{font-size:clamp(30px,4vw,48px);margin:20px 0 16px;}
.hero-copy .hero-sub{font-size:17px;color:var(--muted);max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 34px;}
.hero-metrics{display:flex;flex-wrap:wrap;gap:36px;border-top:1px solid var(--line);padding-top:24px;}
.metric-num{font-size:34px;font-weight:700;color:var(--clay);line-height:1.1;letter-spacing:-0.02em;}
.metric-label{font-size:13px;color:var(--muted);margin-top:4px;}
.hero-visual{position:relative;border-radius:var(--radius-img);}
.hero-visual img{border-radius:var(--radius-img);border:1px solid var(--line);box-shadow:var(--shadow-2);aspect-ratio:6/5;object-fit:cover;width:100%;}
.hero-visual::after{content:"";position:absolute;inset:-14px;border:1px solid rgba(26,92,130,.04);border-radius:18px;pointer-events:none;}

/* ---------- point cards ---------- */
.point-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:30px 26px 26px;box-shadow:var(--shadow-1);display:flex;flex-direction:column;gap:12px;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.point-card::before{content:"";position:absolute;left:0;top:26px;width:4px;height:34px;border-radius:0 4px 4px 0;background:var(--primary);}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.point-card--lead{background:var(--primary-soft);border-color:rgba(26,92,130,.16);}
.point-index{font-size:14px;font-weight:700;color:var(--jade);letter-spacing:.08em;}
.point-card h3{font-size:21px;}
.point-card p{color:var(--muted);font-size:15px;}
.point-card .link-more{margin-top:auto;}

/* ---------- feature rows ---------- */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.feature-row + .feature-row{margin-top:80px;}
.feature-row--flip .feature-media{order:2;}
.feature-media img{border-radius:var(--radius-img);border:1px solid var(--line);box-shadow:var(--shadow-1);aspect-ratio:16/11;object-fit:cover;width:100%;}
.feature-copy h3{font-size:24px;margin:14px 0 14px;}
.feature-list{margin-top:18px;display:flex;flex-direction:column;gap:12px;}
.feature-list li{display:flex;gap:12px;font-size:15px;color:var(--muted);}
.feature-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;background:var(--jade);}
.feature-copy .link-more{display:inline-block;margin-top:22px;}

/* ---------- post cards ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);display:flex;flex-direction:column;
  transition:transform .18s ease-out,box-shadow .18s ease-out;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);}
.post-media{position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:#E7F0F6;}
.post-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.post-card:hover .post-media img{transform:scale(1.03);}
.post-media .badge{position:absolute;left:12px;top:12px;}
.post-body{padding:20px 20px 0;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body h3{font-size:18px;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover .post-body h3{color:var(--primary);}
.post-excerpt{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  margin-top:16px;padding:14px 20px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--muted);
}
.post-empty{
  border:1px dashed #C6D5E0;border-radius:var(--radius-card);background:#FBFDFE;padding:52px 24px;text-align:center;
}
.post-empty p{color:var(--muted);font-size:15px;}
.post-empty .link-more{display:inline-block;margin-top:12px;}

/* ---------- social proof ---------- */
.stat-bar{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;background:var(--primary-deep);border-radius:var(--radius-card);
  padding:36px 32px;color:#fff;
}
.stat-bar .metric-num{color:#F0A97C;font-size:32px;}
.stat-bar .metric-label{color:rgba(255,255,255,.75);}
.stat-bar .metric-item + .metric-item{border-left:1px solid rgba(255,255,255,.12);padding-left:24px;}
.logo-wall{display:grid;grid-template-columns:repeat(6,1fr);gap:16px;margin-top:32px;}
.logo-cell{
  height:74px;border:1px solid var(--line);border-radius:12px;background:#fff;display:flex;align-items:center;justify-content:center;
  color:#93A2AE;font-size:13px;font-weight:600;filter:grayscale(1);transition:filter .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.logo-cell:hover{filter:grayscale(0);color:var(--primary);border-color:rgba(26,92,130,.35);box-shadow:var(--shadow-1);}
.quote-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:24px;margin-top:32px;}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px 24px;box-shadow:var(--shadow-1);
  display:flex;flex-direction:column;gap:16px;
}
.quote-card--lead{background:var(--jade-soft);border-color:rgba(14,156,134,.2);}
.quote-card p{font-size:15px;color:var(--ink);}
.quote-card--lead p{font-size:17px;line-height:1.8;}
.quote-from{font-size:13px;color:var(--muted);margin-top:auto;}

/* ---------- faq ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:box-shadow .18s ease-out,border-color .18s ease-out;}
.faq-item[open]{box-shadow:var(--shadow-2);border-left:3px solid var(--primary);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 20px;display:flex;align-items:center;justify-content:space-between;gap:18px;
  font-size:17px;font-weight:600;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{content:"+";font-size:22px;line-height:1;color:var(--primary);transition:transform .18s ease-out;}
.faq-item[open] summary::after{content:"−";}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-body{padding:16px 20px 20px;font-size:15px;line-height:1.8;color:var(--muted);}

/* ---------- cta band ---------- */
.cta-band{background:var(--primary-deep);color:#fff;border-radius:var(--radius-card);padding:52px 48px;display:grid;grid-template-columns:1.3fr .7fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:30px;}
.cta-band p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{background:var(--primary-deep);color:rgba(255,255,255,.75);margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.7);}
.footer-wordmark{margin-top:18px;font-size:15px;font-weight:600;color:var(--jade);letter-spacing:.04em;}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.04em;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{color:rgba(255,255,255,.75);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-form{display:flex;flex-direction:column;gap:10px;margin-top:6px;}
.footer-form label{font-size:13px;font-weight:600;color:rgba(255,255,255,.85);}
.footer-form input{
  height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.22);background:rgba(255,255,255,.08);
  color:#fff;padding:0 14px;font-size:14px;outline:none;transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5);}
.footer-form input:focus{border-color:var(--jade);box-shadow:0 0 0 2px rgba(14,156,134,.25);}
.footer-form .btn{width:100%;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}
.footer-bottom a{color:rgba(255,255,255,.6);}
.footer-bottom a:hover{color:#fff;}

/* ---------- bottom bar & to top ---------- */
.bottom-bar{
  position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid var(--line);
  box-shadow:var(--shadow-3);z-index:65;display:flex;align-items:center;
}
.bottom-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;width:100%;}
.bottom-text{font-size:14px;color:var(--muted);}
.bottom-text strong{color:var(--primary);font-weight:600;}
.bottom-actions{display:flex;align-items:center;gap:12px;}
.to-top{
  position:fixed;right:24px;bottom:88px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--line);
  box-shadow:var(--shadow-2);color:var(--primary);display:flex;align-items:center;justify-content:center;cursor:pointer;
  opacity:0;pointer-events:none;transition:opacity .2s ease-out,transform .2s ease-out;z-index:60;
}
.to-top.is-show{opacity:1;pointer-events:auto;}
.to-top:hover{transform:translateY(-2px);}

.fade-up{animation:fadeUp .4s ease-out both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(12px);}to{opacity:1;transform:none;}}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .section{padding:64px 0;}
  .container{padding:0 24px;}
  .site-search,.header-contact,.brand-actions .btn-primary{display:none;}
  .menu-toggle{display:inline-flex;}
  .channel-row{display:none;}
  .hero-inner{grid-template-columns:1fr;gap:36px;min-height:auto;}
  .hero-visual{order:2;}
  .hero-visual img{aspect-ratio:4/3;}
  .site-header.is-compact .header-bar-inner{height:64px;}
  .stat-bar{grid-template-columns:repeat(2,1fr);row-gap:28px;}
  .stat-bar .metric-item + .metric-item{border-left:0;padding-left:0;}
  .logo-wall{grid-template-columns:repeat(3,1fr);}
  .quote-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .section-head h2{font-size:24px;}
  .post-grid{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row--flip .feature-media{order:0;}
  .hero{padding:40px 0 48px;}
  .hero-copy .hero-sub{font-size:16px;}
  .hero-metrics{gap:24px;}
  .metric-num{font-size:28px;}
  .bottom-bar{height:auto;padding:12px 0;}
  .bottom-text{font-size:13px;}
  .bottom-actions .btn-ghost{display:none;}
  .to-top{bottom:96px;right:16px;}
  body{padding-bottom:104px;}
}
@media (max-width:520px){
  .container{padding:0 20px;}
  .logo{font-size:18px;}
  .stat-bar{grid-template-columns:1fr;padding:28px 22px;}
  .logo-wall{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .hero-cta .btn{width:100%;}
}

/* roulang page: category1 */
:root{
    --brand:#1A5C82;
    --brand-deep:#123F59;
    --brand-light:#E7F0F6;
    --brand-50:#F2F7FA;
    --jade:#0E9C86;
    --jade-light:#E4F5F1;
    --clay:#D97742;
    --clay-dark:#C4652F;
    --ink:#14212B;
    --ink-soft:#4E5D68;
    --line:#E3E9EE;
    --bg:#F6F8FA;
    --card:#FFFFFF;
    --r-card:14px;
    --r-btn:10px;
    --r-img:12px;
    --r-pill:999px;
    --sh-1:0 1px 2px rgba(20,33,43,.05),0 1px 3px rgba(20,33,43,.06);
    --sh-2:0 10px 24px -8px rgba(18,63,89,.16);
    --sh-3:0 18px 40px -12px rgba(18,63,89,.22);
    --ease:cubic-bezier(.22,.61,.36,1);
    --font-cn:"PingFang SC","HarmonyOS Sans SC","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-cn);
    font-size:16px;
    line-height:1.7;
    color:var(--ink);
    background:var(--bg);
  }
  a{color:var(--brand);text-decoration:none;transition:color .18s var(--ease),border-color .18s var(--ease),background-color .18s var(--ease)}
  a:hover{color:var(--clay)}
  img{max-width:100%;height:auto;display:block}
  button,input{font-family:inherit}
  :focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
  .sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

  /* ============ 顶部导航 ============ */
  .site-header{position:sticky;top:0;z-index:60;background:#fff}
  .brand-row{height:72px;background:#fff;border-bottom:1px solid var(--line);transition:height .2s var(--ease),box-shadow .2s var(--ease)}
  .brand-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:100%;display:flex;align-items:center;gap:22px}
  .logo{display:inline-flex;align-items:center;gap:10px;color:var(--brand-deep);font-weight:700;font-size:19px;letter-spacing:-.01em;flex:none}
  .logo:hover{color:var(--brand)}
  .logo-mark{width:30px;height:30px;display:inline-flex;color:var(--brand);flex:none}
  .logo-text{white-space:nowrap}

  .stuck-nav{display:none;align-items:center;gap:2px;margin-left:6px;overflow-x:auto;scrollbar-width:none;flex:1}
  .stuck-nav::-webkit-scrollbar{display:none}
  .stuck-nav a{font-size:14px;font-weight:600;color:var(--ink-soft);padding:8px 12px;border-radius:8px;white-space:nowrap}
  .stuck-nav a:hover{background:var(--brand-light);color:var(--brand)}
  .stuck-nav a.is-active{color:var(--brand);background:var(--brand-light)}

  .brand-actions{margin-left:auto;display:flex;align-items:center;gap:14px;flex:none}
  .brand-phone{font-size:13px;color:var(--ink-soft);white-space:nowrap}
  .site-search{display:flex;align-items:center;gap:4px;height:40px;padding:2px 3px 2px 14px;background:var(--brand-50);border:1px solid var(--line);border-radius:var(--r-pill);transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
  .site-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-light)}
  .site-search input{border:0;background:transparent;outline:none;width:150px;font-size:14px;color:var(--ink)}
  .site-search input::placeholder{color:#9AA8B2}
  .site-search button{width:34px;height:34px;display:grid;place-items:center;border:0;border-radius:50%;background:#fff;color:var(--brand);cursor:pointer;transition:background .18s var(--ease),color .18s var(--ease)}
  .site-search button:hover{background:var(--brand);color:#fff}

  .channel-row{background:rgba(26,92,130,.04);border-bottom:1px solid var(--line)}
  .channel-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:stretch;gap:6px;overflow-x:auto;scrollbar-width:none}
  .channel-inner::-webkit-scrollbar{display:none}
  .channel-link{position:relative;display:inline-flex;align-items:center;height:52px;padding:0 16px;font-size:15px;font-weight:600;color:var(--ink-soft);white-space:nowrap;transition:color .18s var(--ease),background-color .18s var(--ease)}
  .channel-link:hover{color:var(--brand);background:var(--brand-light);border-radius:8px 8px 0 0}
  .channel-link.is-active{color:var(--brand);background:rgba(26,92,130,.09);box-shadow:inset 0 -2px 0 var(--brand)}
  .channel-link.is-active:hover{background:rgba(26,92,130,.13)}

  .site-header.is-stuck .channel-row{display:none}
  .site-header.is-stuck .brand-row{height:64px;box-shadow:0 8px 22px -16px rgba(18,63,89,.42)}
  .site-header.is-stuck .stuck-nav{display:flex}
  .site-header.is-stuck .site-search,
  .site-header.is-stuck .brand-phone{display:none}

  .hamburger{display:none;width:44px;height:44px;align-items:center;justify-content:center;flex-direction:column;gap:5px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;cursor:pointer}
  .hamburger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-deep);transition:transform .2s var(--ease),opacity .2s var(--ease)}
  .hamburger.is-open span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  .hamburger.is-open span:nth-child(2){opacity:0}
  .hamburger.is-open span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

  /* ============ 抽屉 ============ */
  .drawer-mask{position:fixed;inset:0;background:rgba(18,33,43,.45);z-index:80;opacity:0;pointer-events:none;transition:opacity .24s var(--ease)}
  .drawer-mask.is-open{opacity:1;pointer-events:auto}
  .drawer{position:fixed;top:0;right:0;z-index:90;width:320px;max-width:86vw;height:100%;background:#fff;padding:24px 22px 48px;overflow-y:auto;transform:translateX(100%);transition:transform .24s var(--ease);box-shadow:var(--sh-3)}
  .drawer.is-open{transform:translateX(0)}
  .drawer-group{font-size:13px;font-weight:600;color:var(--jade);letter-spacing:.04em;margin:22px 0 8px}
  .drawer-group:first-of-type{margin-top:30px}
  .drawer-link{display:flex;align-items:center;min-height:44px;padding:8px 10px;border-radius:var(--r-btn);font-size:18px;font-weight:600;color:var(--brand-deep)}
  .drawer-link:hover{background:var(--brand-light);color:var(--brand)}
  .drawer-link.is-active{color:var(--brand);background:var(--brand-light);box-shadow:inset 3px 0 0 var(--brand)}
  .drawer .btn{width:100%;margin-top:22px}

  /* ============ 通用按钮 / 徽章 ============ */
  .btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 22px;border-radius:var(--r-btn);border:1px solid transparent;font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease)}
  .btn-primary{background:var(--clay);color:#fff;box-shadow:var(--sh-1)}
  .btn-primary:hover{background:var(--clay-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
  .btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
  .btn-primary:disabled{opacity:.4;cursor:not-allowed;transform:none}
  .btn-ghost{background:#fff;border-color:#D8E2EA;color:var(--brand)}
  .btn-ghost:hover{border-color:var(--brand);background:var(--brand-50);color:var(--brand)}
  .btn-light{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.34);color:#fff}
  .btn-light:hover{background:#fff;color:var(--brand-deep)}
  .badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600;letter-spacing:.02em}
  .badge-jade{background:var(--jade-light);color:var(--jade)}
  .badge-brand{background:var(--brand-light);color:var(--brand)}
  .link-more{display:inline-flex;align-items:center;gap:6px;font-size:15px;font-weight:600;color:var(--brand);border-bottom:1px solid transparent;transition:color .18s var(--ease),border-color .18s var(--ease)}
  .link-more:hover{color:var(--clay);border-bottom-color:var(--clay);text-underline-offset:4px}

  /* ============ 频道头 ============ */
  .page-hero{position:relative;overflow:hidden;background:#fff;border-bottom:1px solid var(--line)}
  .page-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center right;opacity:.16}
  .page-hero::after{content:"";position:absolute;inset:0;background:linear-gradient(90deg,#fff 34%,rgba(255,255,255,.72) 62%,rgba(255,255,255,.35) 100%)}
  .page-hero .container{position:relative;z-index:2;padding-top:44px;padding-bottom:44px}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-soft);margin-bottom:18px}
  .crumb a{color:var(--ink-soft)}
  .crumb a:hover{color:var(--brand)}
  .page-title{font-size:46px;line-height:1.18;font-weight:700;letter-spacing:-.01em;margin:16px 0 14px;max-width:22ch}
  .page-sub{font-size:17px;color:var(--ink-soft);max-width:56ch;margin:0}
  .anchor-bar{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
  .anchor-bar a{display:inline-flex;align-items:center;min-height:40px;padding:0 16px;border-radius:var(--r-pill);border:1px solid #D8E2EA;background:#fff;font-size:14px;font-weight:600;color:var(--ink-soft)}
  .anchor-bar a:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-50)}

  /* ============ 板块 ============ */
  .section{padding:88px 0}
  .section-tight{padding-top:0}
  .section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
  .sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:40px}
  .sec-title{font-size:32px;line-height:1.25;font-weight:700;letter-spacing:-.01em;margin:0}
  .sec-desc{margin:12px 0 0;font-size:15px;color:var(--ink-soft);max-width:64ch}

  /* ============ 品类卡片网格 ============ */
  .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .cat-card{position:relative;display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)}
  .cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8E2EA}
  .cat-card .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--brand-light)}
  .cat-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
  .cat-card:hover .thumb img{transform:scale(1.03)}
  .cat-card .tag{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.9);color:var(--brand);font-size:12px;font-weight:600;padding:4px 10px;border-radius:var(--r-pill)}
  .cat-card .body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
  .cat-card h3{margin:0;font-size:20px;font-weight:600;letter-spacing:-.01em;transition:color .18s var(--ease)}
  .cat-card:hover h3{color:var(--brand)}
  .cat-card p{margin:0;font-size:15px;color:var(--ink-soft)}
  .cat-card .card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-soft)}

  /* ============ 参数对比表 ============ */
  .table-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
  .table-scroll{overflow-x:auto}
  table.spec{width:100%;min-width:880px;border-collapse:collapse;font-size:15px}
  table.spec thead th{background:var(--brand-light);color:var(--brand-deep);font-weight:600;text-align:left;padding:16px 20px;white-space:nowrap;border-bottom:1px solid var(--line)}
  table.spec tbody td{padding:15px 20px;color:var(--ink-soft);border-bottom:1px solid var(--line);vertical-align:top}
  table.spec tbody tr:nth-child(even){background:var(--brand-50)}
  table.spec tbody tr:last-child td{border-bottom:0}
  table.spec tbody td:first-child{color:var(--ink);font-weight:600}
  .table-note{margin:14px 0 0;font-size:13px;color:var(--ink-soft)}

  /* ============ 核对清单 ============ */
  .check-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
  .check-item{position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 22px 24px;box-shadow:var(--sh-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease)}
  .check-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
  .check-item::before{content:"";position:absolute;left:22px;top:0;width:4px;height:30px;background:var(--brand);border-radius:0 0 4px 4px}
  .check-no{display:block;font-size:13px;font-weight:700;color:var(--jade);letter-spacing:.06em;margin-bottom:10px}
  .check-item h3{margin:0 0 10px;font-size:19px;font-weight:600;letter-spacing:-.01em}
  .check-item p{margin:0;font-size:14.5px;color:var(--ink-soft)}

  /* ============ 页尾 CTA ============ */
  .cta-band{background:var(--brand-deep);border-radius:18px;padding:46px 48px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:26px;box-shadow:var(--sh-3)}
  .cta-band h2{margin:0 0 10px;font-size:28px;font-weight:700;color:#fff;letter-spacing:-.01em}
  .cta-band p{margin:0;font-size:15px;color:rgba(255,255,255,.78);max-width:52ch}
  .cta-actions{display:flex;flex-wrap:wrap;gap:12px}

  /* ============ 相关分类 ============ */
  .rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
  .rel-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh-1);transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease)}
  .rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D8E2EA}
  .rel-card h3{margin:0;font-size:19px;font-weight:600;letter-spacing:-.01em;color:var(--brand-deep)}
  .rel-card:hover h3{color:var(--brand)}
  .rel-card p{margin:0;font-size:14.5px;color:var(--ink-soft)}

  /* ============ 返回顶部 ============ */
  .back-top{position:fixed;right:24px;bottom:28px;z-index:70;width:46px;height:46px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);display:grid;place-items:center;cursor:pointer;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(8px);transition:opacity .2s var(--ease),transform .2s var(--ease),background-color .2s var(--ease)}
  .back-top.is-show{opacity:1;pointer-events:auto;transform:none}
  .back-top:hover{background:var(--brand);color:#fff}

  /* ============ 页脚 ============ */
  .site-footer{background:var(--brand-deep);color:#fff;padding-top:64px}
  .site-footer .logo{color:#fff}
  .site-footer .logo-mark{color:var(--jade)}
  .footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
  .footer-desc{margin:16px 0 12px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);max-width:38ch}
  .footer-wordmark{margin:0;font-size:13px;color:rgba(255,255,255,.6)}
  .footer-title{margin:0 0 14px;font-size:14px;font-weight:600;color:#fff;letter-spacing:.02em}
  .footer-links{display:flex;flex-direction:column;gap:10px}
  .footer-links a{font-size:14px;color:rgba(255,255,255,.75);min-height:24px}
  .footer-links a:hover{color:#fff}
  .footer-form label{display:block;font-size:14px;font-weight:600;margin-bottom:8px}
  .footer-form input{width:100%;height:44px;padding:0 14px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.08);color:#fff;font-size:14px;outline:none;transition:border-color .18s var(--ease),box-shadow .18s var(--ease)}
  .footer-form input::placeholder{color:rgba(255,255,255,.5)}
  .footer-form input:focus{border-color:var(--jade);box-shadow:0 0 0 2px rgba(14,156,134,.38)}
  .footer-form .btn{width:100%;margin-top:14px}
  .footer-bottom{margin-top:52px;padding:20px 0;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
  .footer-bottom a{color:rgba(255,255,255,.75)}
  .footer-bottom a:hover{color:#fff}

  /* ============ 响应式 ============ */
  @media (max-width:1023px){
    .container{padding:0 20px}
    .brand-inner{padding:0 20px}
    .brand-row{height:64px}
    .channel-row{display:none}
    .brand-phone,.site-search{display:none}
    .hamburger{display:inline-flex}
    .stuck-nav{display:none !important}
    .section{padding:64px 0}
    .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .check-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
    .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
    .page-title{font-size:36px}
  }
  @media (max-width:767px){
    .section{padding:56px 0}
    .page-hero .container{padding-top:32px;padding-bottom:34px}
    .page-title{font-size:31px;max-width:none}
    .page-sub{font-size:16px}
    .sec-title{font-size:25px}
    .card-grid{grid-template-columns:1fr}
    .check-grid{grid-template-columns:1fr}
    .rel-grid{grid-template-columns:1fr}
    .footer-grid{grid-template-columns:1fr}
    .cta-band{padding:30px 24px;border-radius:14px}
    .cta-band h2{font-size:22px}
    .cta-actions{width:100%}
    .cta-actions .btn{width:100%}
    .back-top{right:16px;bottom:18px}
  }
  @media (prefers-reduced-motion:reduce){
    *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  }

/* roulang page: article */
:root{
  --c-primary:#1A5C82;
  --c-primary-dark:#123F59;
  --c-primary-light:#E7F0F6;
  --c-teal:#0E9C86;
  --c-teal-light:#E4F5F1;
  --c-accent:#D97742;
  --c-accent-press:#C4652F;
  --c-ink:#14212B;
  --c-ink-soft:#4E5D68;
  --c-line:#E3E9EE;
  --c-page:#F6F8FA;
  --c-card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,33,43,.05), 0 1px 3px rgba(20,33,43,.06);
  --sh-2:0 10px 24px -8px rgba(18,63,89,.16);
  --sh-3:0 18px 40px -12px rgba(18,63,89,.22);
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--c-page);
  color:var(--c-ink);
  font-size:16px;
  line-height:1.7;
  -webkit-font-smoothing:antialiased;
  padding-bottom:72px;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit}
button{cursor:pointer}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700}
p{margin:0}
ul,ol{margin:0}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
@media (max-width:768px){.container{padding:0 20px}}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;min-height:44px;padding:0 20px;border-radius:var(--r-btn);font-size:15px;font-weight:600;border:1px solid transparent;transition:all .18s ease-out;white-space:nowrap}
.btn-primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn-primary:hover{background:var(--c-accent-press);transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-outline{background:#fff;border-color:#D8E2EA;color:var(--c-primary)}
.btn-outline:hover{border-color:var(--c-primary);background:#F2F7FA}
.btn-ghost{background:transparent;color:var(--c-primary);padding:0 12px}
.btn-ghost:hover{background:var(--c-primary-light);color:var(--c-primary-dark)}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-weight:600;font-size:14px;border-bottom:1px solid transparent;transition:all .18s ease-out}
.link-arrow::after{content:"→";transition:transform .18s ease-out}
.link-arrow:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.link-arrow:hover::after{transform:translateX(3px)}

/* ---------- 头部 ---------- */
.site-header{position:relative;z-index:60}
.brand-bar{background:#fff;border-bottom:1px solid var(--c-line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;min-height:44px}
.logo-mark{width:30px;height:30px;color:var(--c-primary);flex:0 0 auto}
.logo-text{font-size:19px;font-weight:700;color:var(--c-ink);letter-spacing:0}
.logo-text em{font-style:normal;color:var(--c-primary)}
.header-actions{display:flex;align-items:center;gap:16px}
.search-mini{display:flex;align-items:center;height:44px;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;padding:0 12px;gap:8px;transition:border-color .18s ease-out, box-shadow .18s ease-out}
.search-mini:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px var(--c-primary-light)}
.search-mini svg{width:16px;height:16px;color:var(--c-ink-soft);flex:0 0 auto}
.search-mini input{border:0;outline:0;width:150px;font-size:14px;background:transparent;color:var(--c-ink)}
.search-mini input::placeholder{color:#9AA8B2}
.header-phone{font-size:13px;color:var(--c-ink-soft);white-space:nowrap}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--c-ink)}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

.channel-row{background:rgba(26,92,130,.04);border-bottom:1px solid var(--c-line);position:sticky;top:0;z-index:55;transition:background .2s ease-out, box-shadow .2s ease-out}
.channel-row.is-stuck{background:#fff;box-shadow:var(--sh-1)}
.channel-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;align-items:stretch;gap:2px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{display:inline-flex;align-items:center;height:56px;padding:0 16px;font-size:15px;font-weight:600;color:var(--c-ink-soft);border-bottom:2px solid transparent;border-radius:8px 8px 0 0;white-space:nowrap;transition:all .18s ease-out}
.channel-link:hover{color:var(--c-primary);background:var(--c-primary-light)}
.channel-link.is-active{color:var(--c-primary);background:var(--c-primary-light);border-bottom-color:var(--c-primary)}

/* ---------- 移动端抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(18,33,43,.42);opacity:0;visibility:hidden;transition:opacity .22s ease-out, visibility .22s;z-index:190}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{position:fixed;top:0;right:0;height:100%;width:330px;max-width:88vw;background:#fff;z-index:200;padding:24px 22px 40px;overflow-y:auto;transform:translateX(102%);transition:transform .26s ease-out;box-shadow:var(--sh-3)}
.drawer.is-open{transform:translateX(0)}
.drawer-close{width:44px;height:44px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);font-size:20px;line-height:1;color:var(--c-ink-soft);margin-left:auto;display:flex;align-items:center;justify-content:center}
.drawer-head{display:flex;align-items:center;gap:10px;margin-bottom:22px}
.drawer-group{font-size:13px;font-weight:600;color:var(--c-teal);margin:20px 0 8px;letter-spacing:.02em}
.drawer-link{display:block;font-size:18px;font-weight:600;padding:12px 0;color:var(--c-ink);border-bottom:1px solid var(--c-line);transition:color .18s ease-out}
.drawer-link:hover,.drawer-link.is-active{color:var(--c-primary)}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:10px}
body.is-locked{overflow:hidden}

/* ---------- 通用组件 ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;background:var(--c-teal-light);color:var(--c-teal);font-size:13px;font-weight:600;letter-spacing:.02em}
.badge-primary{background:var(--c-primary-light);color:var(--c-primary)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-soft);padding:22px 0 0}
.breadcrumb a:hover{color:var(--c-primary)}
.breadcrumb .sep{color:#B6C2CB}
.breadcrumb .cur{color:var(--c-ink);max-width:52ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.section{padding:80px 0}
@media (max-width:768px){.section{padding:56px 0}}
.section-head{margin-bottom:40px}
.section-title{font-size:32px;line-height:1.3}
.section-sub{margin-top:12px;font-size:15px;color:var(--c-ink-soft);max-width:62ch}
@media (max-width:768px){.section-title{font-size:24px}}

/* ---------- 文章布局 ---------- */
.article-shell{padding:28px 0 88px}
.article-wrap{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:48px;align-items:start}
@media (max-width:1024px){.article-wrap{grid-template-columns:1fr;gap:36px}}
.reading{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:44px 48px 52px}
@media (max-width:768px){.reading{padding:28px 20px 36px}}
.article-head{padding-bottom:26px;border-bottom:1px solid var(--c-line);margin-bottom:30px}
.article-head h1{font-size:36px;line-height:1.34;margin:16px 0 0;font-weight:700}
@media (max-width:768px){.article-head h1{font-size:26px}}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--c-ink-soft)}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6D2DA}
.share-row{display:flex;align-items:center;gap:10px;margin-top:20px;flex-wrap:wrap}
.share-row .label{font-size:13px;color:var(--c-ink-soft);margin-right:2px}
.icon-btn{width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-ink-soft);transition:all .18s ease-out}
.icon-btn:hover{border-color:var(--c-primary);color:var(--c-primary);background:#F2F7FA}
.icon-btn svg{width:18px;height:18px}

/* ---------- 正文排版 ---------- */
.article-body{font-size:17px;line-height:1.9;color:var(--c-ink)}
.article-body>*+*{margin-top:1.1em}
.article-body p{margin:0 0 1.2em}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(26,92,130,.35)}
.article-body a:hover{color:var(--c-accent);border-bottom-color:var(--c-accent)}
.article-body h2{font-size:22px;line-height:1.5;font-weight:700;margin:2em 0 .8em;padding-left:14px;border-left:3px solid var(--c-primary)}
.article-body h3{font-size:19px;line-height:1.55;font-weight:600;margin:1.7em 0 .6em}
.article-body h4{font-size:17px;font-weight:600;margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.3em;margin:0 0 1.2em}
.article-body ul{list-style:none;padding-left:1.2em}
.article-body ul>li{position:relative;margin:.45em 0}
.article-body ul>li::before{content:"";position:absolute;left:-1.1em;top:.75em;width:7px;height:7px;background:var(--c-teal);border-radius:2px}
.article-body ol>li{margin:.45em 0}
.article-body blockquote{margin:1.5em 0;padding:18px 22px;background:var(--c-primary-light);border-left:3px solid var(--c-primary);border-radius:0 10px 10px 0;color:var(--c-ink-soft);font-size:16px}
.article-body img{border-radius:var(--r-img);margin:1.6em auto;height:auto}
.article-body figure{margin:1.6em 0}
.article-body figcaption{margin-top:10px;text-align:center;font-size:13px;color:var(--c-ink-soft)}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;display:block;overflow-x:auto;margin:1.5em 0}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:11px 14px;text-align:left;white-space:nowrap}
.article-body th{background:var(--c-primary-light);color:var(--c-primary-dark);font-weight:600}
.article-body tr:nth-child(even) td{background:#FAFCFD}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.2em 0}
.article-body strong{font-weight:700}

/* ---------- 空态 ---------- */
.empty-state{background:#FBFDFE;border:1px dashed #C9D8E2;border-radius:var(--r-card);padding:48px 24px;text-align:center}
.empty-title{font-size:19px;font-weight:600}
.empty-desc{margin:12px 0 18px;color:var(--c-ink-soft);font-size:15px}

/* ---------- 文末 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:40px;padding-top:26px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13px;color:var(--c-ink-soft)}
.tag{display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;border:1px solid var(--c-line);background:#fff;font-size:13px;color:var(--c-ink-soft);transition:all .18s ease-out}
.tag:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-light)}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:28px}
@media (max-width:768px){.pager{grid-template-columns:1fr}}
.pager-card{display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px 22px;box-shadow:var(--sh-1);transition:all .18s ease-out}
.pager-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E0E9}
.pager-card .k{font-size:13px;color:var(--c-teal);font-weight:600}
.pager-card .t{margin-top:8px;font-size:16px;font-weight:600;line-height:1.6;color:var(--c-ink);transition:color .18s ease-out}
.pager-card:hover .t{color:var(--c-primary)}
.pager-card.is-next{text-align:right}
@media (max-width:768px){.pager-card.is-next{text-align:left}}
.back-row{margin-top:26px;text-align:center}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:22px;position:sticky;top:88px}
@media (max-width:1024px){.side-col{position:static}}
.side-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);padding:22px}
.side-title{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title::before{content:"";width:4px;height:14px;border-radius:2px;background:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:320px;overflow-y:auto}
.toc-link{display:block;font-size:14px;color:var(--c-ink-soft);padding:7px 10px;border-radius:8px;border-left:2px solid transparent;line-height:1.6;transition:all .16s ease-out}
.toc-link:hover{color:var(--c-primary);background:var(--c-primary-light);border-left-color:var(--c-primary)}
.toc-link.is-sub{padding-left:22px;font-size:13px}
.mini-post{display:flex;gap:12px;padding:12px 0;border-bottom:1px solid var(--c-line)}
.mini-post:last-child{border-bottom:0;padding-bottom:0}
.mini-post img{width:76px;height:56px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.mini-post .t{font-size:14px;font-weight:600;line-height:1.55;color:var(--c-ink);transition:color .18s ease-out}
.mini-post:hover .t{color:var(--c-primary)}
.mini-post .d{margin-top:6px;font-size:12px;color:#8C9AA4}
.cta-card{background:var(--c-primary-light);border:1px solid #D3E4EF;border-radius:var(--r-card);padding:24px}
.cta-card .h{font-size:18px;font-weight:700;line-height:1.5}
.cta-card .p{margin-top:10px;font-size:14px;color:var(--c-ink-soft);line-height:1.75}
.cta-card .btn{margin-top:18px;width:100%}

/* ---------- 相关推荐 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
@media (max-width:1024px){.related-grid{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.related-grid{grid-template-columns:1fr}}
.card{display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;transition:transform .18s ease-out, box-shadow .18s ease-out, border-color .18s ease-out}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E0E9}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-light)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media .chip{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--c-primary);font-size:12px;font-weight:600;padding:5px 11px;border-radius:999px}
.card-body{padding:20px 22px 18px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;line-height:1.6;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease-out}
.card:hover .card-body h3{color:var(--c-primary)}
.card-body .ex{margin-top:10px;font-size:14px;color:var(--c-ink-soft);line-height:1.75;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:#8C9AA4}
.card-foot .go{color:var(--c-primary);font-weight:600}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.75);padding:72px 0 28px;margin-top:20px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}
@media (max-width:1024px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:640px){.footer-grid{grid-template-columns:1fr}}
.site-footer .logo-mark{color:#fff}
.site-footer .logo-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.72);max-width:34ch}
.footer-wordmark{margin-top:14px;font-size:13px;color:rgba(255,255,255,.55)}
.footer-title{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75);transition:color .18s ease-out}
.footer-links a:hover{color:#fff}
.footer-form{display:flex;flex-direction:column;gap:10px}
.footer-form label{font-size:14px;font-weight:600;color:rgba(255,255,255,.85)}
.footer-form input{height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.24);background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;outline:0;transition:border-color .18s ease-out, box-shadow .18s ease-out}
.footer-form input::placeholder{color:rgba(255,255,255,.45)}
.footer-form input:focus{border-color:var(--c-teal);box-shadow:0 0 0 3px rgba(14,156,134,.24)}
.footer-bottom{margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6)}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff}

/* ---------- 固定转化条 ---------- */
.fixed-bar{position:fixed;left:0;right:0;bottom:0;height:64px;background:#fff;border-top:1px solid var(--c-line);box-shadow:0 -10px 30px -14px rgba(18,63,89,.28);z-index:120}
.fixed-bar-inner{max-width:1200px;margin:0 auto;padding:0 32px;height:100%;display:flex;align-items:center;justify-content:space-between;gap:20px}
.fixed-bar .txt{font-size:15px;color:var(--c-ink);font-weight:600}
.fixed-bar .txt span{color:var(--c-primary)}
.fixed-bar .acts{display:flex;align-items:center;gap:12px}
@media (max-width:768px){
  body{padding-bottom:64px}
  .fixed-bar-inner{padding:0 16px}
  .fixed-bar .txt{font-size:13px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}
  .fixed-bar .acts .btn-outline{display:none}
}

/* ---------- 回到顶部 ---------- */
.to-top{position:fixed;right:24px;bottom:88px;width:44px;height:44px;border-radius:50%;background:#fff;border:1px solid var(--c-line);box-shadow:var(--sh-2);color:var(--c-primary);display:flex;align-items:center;justify-content:center;opacity:0;visibility:hidden;transform:translateY(8px);transition:all .2s ease-out;z-index:110}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-light)}
@media (max-width:768px){.to-top{right:16px;bottom:80px}}

@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
}
@media (max-width:1024px){
  .nav-toggle{display:inline-flex}
  .channel-row{display:none}
  .header-phone,.search-mini{display:none}
}
@media (max-width:520px){
  .brand-inner{height:64px;gap:12px}
  .logo-text{font-size:17px}
  .btn{padding:0 16px;font-size:14px}
  .article-shell{padding:18px 0 64px}
}

/* roulang page: category2 */
:root{
  --primary:#1A5C82;
  --primary-dark:#123F59;
  --primary-light:#E7F0F6;
  --celadon:#0E9C86;
  --celadon-light:#E4F5F1;
  --clay:#D97742;
  --clay-dark:#C4652F;
  --ink:#14212B;
  --muted:#4E5D68;
  --line:#E3E9EE;
  --page:#F6F8FA;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,33,43,.05), 0 1px 3px rgba(20,33,43,.06);
  --shadow-2:0 10px 24px -8px rgba(18,63,89,.16);
  --shadow-3:0 18px 40px -12px rgba(18,63,89,.22);
  --gap-section:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:'PingFang SC','HarmonyOS Sans SC','Microsoft YaHei','Noto Sans SC',system-ui,sans-serif;
  color:var(--ink);
  background:var(--page);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p{margin:0}
ul{margin:0;padding:0;list-style:none}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
.section{padding:var(--gap-section) 0}
.section-tight{padding:64px 0}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;
  border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:all 180ms ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--clay);color:#fff}
.btn-primary:hover{background:var(--clay-dark);transform:translateY(-1px);box-shadow:var(--shadow-2)}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-1)}
.btn-outline{background:#fff;color:var(--primary);border-color:#D8E2EA}
.btn-outline:hover{border-color:var(--primary);background:#F2F7FA}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45)}
.btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.btn:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px}

.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--primary);font-weight:600;font-size:15px;
  border-bottom:1px solid transparent;
  transition:color 180ms ease-out,border-color 180ms ease-out;
}
.text-link:hover{color:var(--clay);border-bottom-color:var(--clay)}

.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:999px;
  background:var(--celadon-light);color:#0A7F6D;
  font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--primary-light);color:var(--primary);
  font-size:13px;font-weight:600;letter-spacing:.04em;
}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  transition:box-shadow 200ms ease-out;
}
.site-header.is-compact{box-shadow:0 1px 0 var(--line), 0 6px 18px -12px rgba(18,63,89,.28)}
.brand-row{border-bottom:1px solid var(--line)}
.brand-inner{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--primary)}
.logo-mark{width:30px;height:30px;display:inline-block;flex:0 0 auto}
.logo-text{font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--primary-dark)}
.brand-tools{display:flex;align-items:center;gap:18px}
.search-box{display:flex;align-items:center;background:#F2F7FA;border:1px solid var(--line);border-radius:999px;padding:4px 6px 4px 16px}
.search-box input{border:0;background:transparent;outline:none;height:34px;width:150px;font-size:14px}
.search-box input::placeholder{color:#8B9AA6}
.search-btn{border:0;background:var(--primary);color:#fff;border-radius:999px;height:32px;padding:0 14px;font-size:13px;font-weight:600;cursor:pointer;transition:background 180ms ease-out}
.search-btn:hover{background:var(--primary-dark)}
.brand-contact{font-size:13px;color:var(--muted);white-space:nowrap}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--radius-btn);
  border:1px solid var(--line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary-dark);border-radius:2px}

.channel-row{background:rgba(26,92,130,.04);border-bottom:1px solid var(--line)}
.channel-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;gap:6px;align-items:stretch;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  display:inline-flex;align-items:center;
  padding:14px 16px;font-size:15px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;border-radius:8px 8px 0 0;
  transition:color 160ms ease-out,background 160ms ease-out,border-color 160ms ease-out;
  white-space:nowrap;min-height:44px;
}
.channel-link:hover{color:var(--primary);background:rgba(26,92,130,.06)}
.channel-link.is-active{
  color:var(--primary);
  border-bottom-color:var(--primary);
  background:rgba(26,92,130,.06);
}
.channel-link:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}

.is-compact .brand-inner{height:64px}
.is-compact .search-box{display:none}
.is-compact .brand-contact{display:none}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,43,.45);
  opacity:0;visibility:hidden;transition:opacity 200ms ease-out,visibility 200ms ease-out;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:320px;max-width:88vw;
  background:#fff;z-index:90;transform:translateX(100%);
  transition:transform 240ms ease-out;
  display:flex;flex-direction:column;padding:24px 24px 32px;overflow-y:auto;
  box-shadow:var(--shadow-3);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px}
.drawer-close{width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:var(--radius-btn);cursor:pointer;font-size:20px;line-height:1;color:var(--primary-dark)}
.drawer-group-title{font-size:13px;font-weight:600;letter-spacing:.05em;color:var(--celadon);margin:18px 0 8px}
.drawer-link{display:block;padding:12px 0;font-size:18px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer-link:hover,.drawer-link.is-active{color:var(--primary)}
.drawer-cta{margin-top:24px;display:flex;flex-direction:column;gap:12px}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;
  background-image:linear-gradient(90deg,rgba(231,240,246,.95) 0%,rgba(231,240,246,.86) 45%,rgba(246,248,250,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle,rgba(26,92,130,.5) 1px,transparent 1px);
  background-size:26px 26px;opacity:.03;pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 40px}
.breadcrumb{font-size:13px;color:var(--muted);display:flex;gap:8px;flex-wrap:wrap;margin-bottom:20px}
.breadcrumb a:hover{color:var(--primary)}
.page-hero h1{
  font-size:48px;line-height:1.18;font-weight:700;letter-spacing:-.01em;
  color:var(--primary-dark);max-width:820px;
}
.page-hero .lede{margin-top:18px;font-size:17px;color:var(--muted);max-width:760px}
.hero-actions{margin-top:28px;display:flex;gap:14px;flex-wrap:wrap}

.anchor-bar{
  position:relative;z-index:2;background:#fff;border-top:1px solid var(--line);
}
.anchor-inner{max-width:1200px;margin:0 auto;padding:0 32px;display:flex;gap:4px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{
  display:inline-flex;align-items:center;min-height:52px;padding:0 16px;
  font-size:14px;font-weight:600;color:var(--muted);border-bottom:2px solid transparent;
  transition:color 160ms ease-out,border-color 160ms ease-out;white-space:nowrap;
}
.anchor-link:hover{color:var(--primary);border-bottom-color:var(--primary-light)}
.anchor-link:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}

/* ---------- 板块标题 ---------- */
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:32px;font-weight:700;letter-spacing:-.01em;color:var(--primary-dark)}
.section-head p{margin-top:14px;color:var(--muted);font-size:16px}
.section-head--row{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 概览要点条 ---------- */
.fact-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.fact-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  border-top:3px solid var(--celadon);
  transition:box-shadow 180ms ease-out,transform 180ms ease-out;
}
.fact-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px)}
.fact-card h3{font-size:18px;font-weight:600;color:var(--primary-dark);margin-bottom:10px}
.fact-card p{font-size:15px;color:var(--muted)}

/* ---------- 图文交替 ---------- */
.alt-block{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:36px 0;
}
.alt-block + .alt-block{border-top:1px solid var(--line)}
.alt-block.reverse .alt-media{order:2}
.alt-media{position:relative}
.alt-media img{
  width:100%;height:340px;object-fit:cover;border-radius:var(--radius-img);
  border:1px solid var(--line);box-shadow:var(--shadow-1);
}
.alt-media::after{
  content:"";position:absolute;inset:14px -14px -14px 14px;
  border:1px solid rgba(26,92,130,.16);border-radius:var(--radius-img);z-index:-1;
}
.alt-copy h3{font-size:22px;font-weight:600;color:var(--primary-dark);margin:16px 0 14px}
.alt-copy p{color:var(--muted);margin-bottom:18px}
.point-list{display:flex;flex-direction:column;gap:12px;margin-bottom:22px}
.point-list li{position:relative;padding-left:22px;font-size:15px;color:var(--ink)}
.point-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:2px;background:var(--celadon);
}

/* ---------- 流程步骤条 ---------- */
.process-wrap{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);padding:48px 40px;box-shadow:var(--shadow-1)}
.process-track{position:relative;display:grid;grid-template-columns:repeat(5,1fr);gap:20px}
.process-track::before{
  content:"";position:absolute;left:20px;right:20px;top:22px;height:2px;background:var(--primary-light);
}
.process-step{position:relative;z-index:2;text-align:left}
.step-dot{
  width:44px;height:44px;border-radius:999px;background:#fff;border:2px solid var(--primary);
  color:var(--primary);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.process-step h3{font-size:17px;font-weight:600;color:var(--primary-dark);margin-bottom:8px}
.process-step p{font-size:14px;color:var(--muted);line-height:1.7}

/* ---------- 资料协同（浅底面板 + 双列清单） ---------- */
.panel{
  background:var(--primary-light);border-radius:var(--radius-card);
  padding:48px 40px;border:1px solid rgba(26,92,130,.12);
}
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 32px}
.check-item{display:flex;gap:12px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1)}
.check-mark{
  flex:0 0 auto;width:24px;height:24px;border-radius:999px;background:var(--celadon-light);
  color:#0A7F6D;display:flex;align-items:center;justify-content:center;font-size:14px;font-weight:700;
}
.check-item h3{font-size:16px;font-weight:600;color:var(--primary-dark);margin-bottom:6px}
.check-item p{font-size:14px;color:var(--muted)}

/* ---------- 问答卡 ---------- */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px}
.qa-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px;box-shadow:var(--shadow-1);
  transition:box-shadow 180ms ease-out,transform 180ms ease-out,border-color 180ms ease-out;
}
.qa-card:hover{box-shadow:var(--shadow-2);transform:translateY(-2px);border-color:#CFDDE7}
.qa-card h3{font-size:17px;font-weight:600;color:var(--primary-dark);margin-bottom:10px;padding-left:14px;position:relative}
.qa-card h3::before{content:"";position:absolute;left:0;top:5px;bottom:5px;width:3px;border-radius:2px;background:var(--primary)}
.qa-card p{font-size:15px;color:var(--muted);line-height:1.8}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:var(--primary-dark);color:#fff;border-radius:var(--radius-card);
  padding:56px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;border-radius:999px;
  border:1px solid rgba(255,255,255,.12);
}
.cta-band h2{font-size:28px;font-weight:700;letter-spacing:-.01em}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.78);max-width:640px;font-size:15px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}

/* ---------- 相关分类卡 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.related-card{
  display:flex;flex-direction:column;background:var(--card);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform 180ms ease-out,box-shadow 180ms ease-out;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2)}
.related-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--primary-light)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 300ms ease-out}
.related-card:hover .thumb img{transform:scale(1.03)}
.related-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.related-body h3{font-size:18px;font-weight:600;color:var(--primary-dark)}
.related-card:hover .related-body h3{color:var(--primary)}
.related-body p{font-size:14px;color:var(--muted);flex:1}
.related-card.is-current{border-color:var(--celadon);box-shadow:0 0 0 1px var(--celadon) inset,var(--shadow-1)}
.current-tag{font-size:12px;font-weight:600;color:#0A7F6D;background:var(--celadon-light);border-radius:999px;padding:3px 10px;align-self:flex-start}

/* ---------- FAQ 折叠（本页用于流程细节） ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;transition:box-shadow 180ms ease-out,border-color 180ms ease-out}
.faq-item:hover{box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--primary-dark);min-height:44px;
}
.faq-q:focus-visible{outline:2px solid var(--primary);outline-offset:-2px}
.faq-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:999px;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--primary);font-size:16px;line-height:1;
  transition:transform 200ms ease-out,background 200ms ease-out;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--primary-light)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease-out}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid var(--line);padding-top:16px;margin:0 0 0;position:relative}
.faq-item.is-open{border-color:rgba(26,92,130,.28)}
.faq-item.is-open .faq-a-inner::before{content:"";position:absolute;left:0;top:16px;bottom:22px;width:3px;background:var(--primary);border-radius:2px}

/* ---------- Footer ---------- */
.site-footer{background:var(--primary-dark);color:#fff;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;padding:64px 0 40px}
.footer-brand .logo{color:#fff}
.footer-brand .logo-text{color:#fff}
.footer-desc{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.75);max-width:320px}
.footer-wordmark{margin-top:16px;font-size:13px;color:rgba(255,255,255,.55);letter-spacing:.04em}
.footer-title{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.75);transition:color 160ms ease-out}
.footer-links a:hover{color:#fff}
.footer-form label{display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px}
.footer-form input{
  width:100%;height:44px;border-radius:var(--radius-btn);border:1px solid rgba(255,255,255,.24);
  background:rgba(255,255,255,.08);color:#fff;padding:0 14px;outline:none;
  transition:border-color 180ms ease-out,box-shadow 180ms ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5)}
.footer-form input:focus{border-color:#fff;box-shadow:0 0 0 2px rgba(255,255,255,.22)}
.footer-form button{width:100%;margin-top:14px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--primary);
  display:flex;align-items:center;justify-content:center;cursor:pointer;
  box-shadow:var(--shadow-2);opacity:0;visibility:hidden;transition:opacity 200ms ease-out,visibility 200ms ease-out,transform 200ms ease-out;z-index:70;
}
.to-top.is-visible{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-2px)}
.to-top:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

/* ---------- 入场动画 ---------- */
.fade-in{opacity:0;transform:translateY(14px);transition:opacity 380ms ease-out,transform 380ms ease-out}
.fade-in.is-visible{opacity:1;transform:translateY(0)}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important}
  .fade-in{opacity:1;transform:none}
  html{scroll-behavior:auto}
}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px}
  .channel-inner,.anchor-inner{padding:0 24px}
  .page-hero h1{font-size:36px}
  .fact-grid{grid-template-columns:repeat(2,1fr)}
  .alt-block{grid-template-columns:1fr;gap:28px;padding:28px 0}
  .alt-block.reverse .alt-media{order:0}
  .alt-media img{height:300px}
  .alt-media::after{display:none}
  .process-wrap{padding:36px 28px}
  .process-track{grid-template-columns:1fr;gap:0}
  .process-track::before{left:21px;right:auto;top:8px;bottom:8px;width:2px;height:auto}
  .process-step{display:grid;grid-template-columns:44px 1fr;gap:18px;padding-bottom:28px}
  .process-step:last-child{padding-bottom:0}
  .step-dot{margin-bottom:0}
  .check-grid,.qa-grid{grid-template-columns:1fr}
  .related-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .brand-tools .search-box,.brand-tools .brand-contact{display:none}
  .brand-row .nav-toggle{display:flex}
  .channel-row{display:none}
}
@media (max-width:768px){
  :root{--gap-section:56px}
  .container{padding:0 20px}
  .channel-inner,.anchor-inner{padding:0 20px}
  .page-hero-inner{padding:44px 0 32px}
  .page-hero h1{font-size:31px}
  .page-hero .lede{font-size:16px}
  .section-head h2{font-size:25px}
  .fact-grid{grid-template-columns:1fr}
  .alt-media img{height:230px}
  .cta-band{padding:36px 24px}
  .cta-band h2{font-size:23px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .panel{padding:32px 22px}
  .process-wrap{padding:30px 20px}
  .btn{width:auto}
  .hero-actions .btn{flex:1 1 auto}
  .to-top{right:16px;bottom:20px}
  .brand-tools .btn-primary{display:none}
}
@media (max-width:520px){
  .page-hero h1{font-size:28px}
  .search-box input{width:110px}
  .alt-media img{height:200px}
}

/* roulang page: category3 */
:root{
  --brand:#1A5C82;
  --brand-dark:#123F59;
  --brand-light:#E7F0F6;
  --teal:#0E9C86;
  --teal-light:#E4F5F1;
  --warm:#D97742;
  --warm-dark:#C4652F;
  --text:#14212B;
  --muted:#4E5D68;
  --line:#E3E9EE;
  --bg:#F6F8FA;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --radius-pill:999px;
  --radius-input:10px;
  --sh-1:0 1px 2px rgba(20,33,43,.05), 0 1px 3px rgba(20,33,43,.06);
  --sh-2:0 10px 24px -8px rgba(18,63,89,.16);
  --sh-3:0 18px 40px -12px rgba(18,63,89,.22);
  --font: "PingFang SC","HarmonyOS Sans SC","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:1.7;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;}
a:hover{color:var(--warm);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
input,textarea{font-family:inherit;font-size:15px;}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;font-weight:700;line-height:1.28;color:var(--text);}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--card);
  border-bottom:1px solid transparent;
  transition:box-shadow .2s ease-out,border-color .2s ease-out;
}
.site-header.is-compact{
  border-bottom-color:var(--line);
  box-shadow:var(--sh-1);
}
.brand-row{
  height:72px;
  display:flex;
  align-items:center;
  transition:height .2s ease-out;
}
.site-header.is-compact .brand-row{height:64px;}
.brand-inner{
  display:flex;
  align-items:center;
  gap:20px;
  width:100%;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  color:var(--brand);
  font-weight:700;
  font-size:19px;
  letter-spacing:.01em;
  flex-shrink:0;
}
.logo:hover{color:var(--brand-dark);}
.logo-mark{
  width:34px;height:34px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand);
  background:var(--brand-light);
  border-radius:10px;
  flex-shrink:0;
}
.logo-mark svg{width:22px;height:22px;}
.brand-tools{
  margin-left:auto;
  display:flex;
  align-items:center;
  gap:18px;
}
.search-box{
  display:flex;
  align-items:center;
  gap:8px;
  height:40px;
  padding:0 12px;
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  background:#fff;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 2px var(--brand-light);}
.search-box svg{width:16px;height:16px;color:var(--muted);flex-shrink:0;}
.search-box input{
  border:0;outline:0;background:transparent;width:150px;height:100%;color:var(--text);
}
.search-box input::placeholder{color:#93A2AD;}
.brand-phone{
  font-size:14px;
  color:var(--muted);
  white-space:nowrap;
}
.brand-phone strong{color:var(--brand);font-weight:600;}
.site-header.is-compact .brand-phone{display:none;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 20px;
  border-radius:var(--radius-btn);
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  transition:background-color .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out,box-shadow .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--warm);color:#fff;}
.btn-primary:hover{background:var(--warm-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn-outline{background:#fff;color:var(--brand);border-color:#D8E2EA;}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);background:#F2F7FA;}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.45);}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-sm{min-height:40px;padding:8px 16px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;
  color:var(--brand);
}

/* ---------- Channel row ---------- */
.channel-row{
  background:#F2F7FA;
  border-top:1px solid var(--line);
}
.channel-inner{
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
  display:flex;
  gap:6px;
  overflow-x:auto;
  scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  display:inline-flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--muted);
  border-bottom:2px solid transparent;
  white-space:nowrap;
  transition:color .18s ease-out,background-color .18s ease-out,border-color .18s ease-out;
}
.channel-link:hover{color:var(--brand);background:var(--brand-light);border-radius:8px 8px 0 0;}
.channel-link.is-active{
  color:var(--brand);
  background:var(--brand-light);
  border-bottom-color:var(--brand);
  border-radius:8px 8px 0 0;
}
.site-header.is-compact .channel-link{min-height:42px;font-size:14px;}

/* ---------- Drawer ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(18,33,43,.45);
  opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:80;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:86vw;
  background:#fff;z-index:90;
  transform:translateX(102%);
  transition:transform .24s ease-out;
  overflow-y:auto;
  padding:20px 24px 40px;
  box-shadow:var(--sh-3);
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:44px;height:44px;border:1px solid var(--line);border-radius:var(--radius-btn);
  background:#fff;color:var(--muted);
}
.drawer-group{
  font-size:13px;font-weight:600;color:var(--teal);
  letter-spacing:.04em;margin:18px 0 8px;
}
.drawer-link{
  display:block;
  font-size:18px;
  font-weight:600;
  color:var(--text);
  padding:12px 0;
  border-bottom:1px solid var(--line);
}
.drawer-link:hover,.drawer-link.is-active{color:var(--brand);}
.drawer-actions{margin-top:22px;display:flex;flex-direction:column;gap:12px;}
.drawer-actions .search-box{width:100%;}
.drawer-actions .search-box input{width:100%;}

/* ---------- Page head ---------- */
.page-head{
  position:relative;
  overflow:hidden;
  background-color:#123F59;
  background-image:linear-gradient(115deg, rgba(18,63,89,.93) 0%, rgba(26,92,130,.88) 58%, rgba(14,156,134,.72) 100%), url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:64px 0 0;
}
.page-head::after{
  content:"";
  position:absolute;inset:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='120' height='104' viewBox='0 0 120 104'%3E%3Cg fill='none' stroke='%23ffffff' stroke-width='1'%3E%3Cpath d='M30 2 60 19v34L30 70 0 53V19z'/%3E%3Cpath d='M90 2 120 19v34L90 70 60 53V19z'/%3E%3Cpath d='M60 54 90 71v34L60 122 30 105V71z'/%3E%3C/g%3E%3C/svg%3E");
  opacity:.03;
  pointer-events:none;
}
.page-head .container{position:relative;z-index:2;}
.breadcrumb{
  font-size:13px;color:rgba(255,255,255,.78);
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:20px;
}
.breadcrumb a{color:rgba(255,255,255,.78);}
.breadcrumb a:hover{color:#fff;}
.breadcrumb .sep{opacity:.6;}
.badge{
  display:inline-flex;align-items:center;
  padding:5px 13px;
  border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
  letter-spacing:.02em;
  background:var(--teal-light);
  color:var(--teal);
}
.badge-on-dark{background:rgba(255,255,255,.16);color:#fff;}
.page-head h1{
  color:#fff;
  font-size:44px;
  margin:18px 0 14px;
  max-width:960px;
}
.page-lead{
  font-size:17px;
  color:rgba(255,255,255,.88);
  max-width:760px;
  line-height:1.75;
}
.anchor-bar{
  margin-top:32px;
  display:flex;
  gap:8px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:22px;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-bar a{
  display:inline-flex;align-items:center;
  min-height:40px;padding:0 16px;
  border-radius:var(--radius-pill);
  background:rgba(255,255,255,.13);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:14px;font-weight:600;white-space:nowrap;
}
.anchor-bar a:hover{background:#fff;color:var(--brand);border-color:#fff;}

/* ---------- Sections ---------- */
.section{padding:80px 0;}
.section-tight{padding:56px 0;}
.section-head{margin-bottom:40px;max-width:760px;}
.section-head h2{font-size:31px;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;color:var(--teal);
  letter-spacing:.04em;margin-bottom:10px;
}
.section-head-row{
  display:flex;align-items:flex-end;justify-content:space-between;gap:20px;flex-wrap:wrap;
  margin-bottom:40px;
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--brand);
  text-underline-offset:4px;
}
.text-link:hover{color:var(--warm);text-decoration:underline;text-underline-offset:4px;}

/* ---------- Detail layout with sticky side ---------- */
.detail-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
}
.detail-side{position:sticky;top:132px;}
.side-card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--sh-1);
  padding:22px 20px;
}
.side-card + .side-card{margin-top:20px;}
.side-title{
  font-size:14px;font-weight:600;color:var(--teal);
  letter-spacing:.03em;margin-bottom:12px;
}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:11px 10px;
  border-radius:8px;
  font-size:14px;
  font-weight:600;
  color:var(--muted);
}
.side-nav a::before{
  content:"";
  width:6px;height:6px;border-radius:2px;
  background:#C9D6DF;flex-shrink:0;
  transition:background-color .18s ease-out;
}
.side-nav a:hover{background:#F2F7FA;color:var(--brand);}
.side-nav a:hover::before{background:var(--brand);}
.side-nav a.is-current{background:var(--brand-light);color:var(--brand);}
.side-nav a.is-current::before{background:var(--warm);}
.side-cta{
  background:var(--brand-light);
  border:1px solid #D3E3EE;
}
.side-cta p{font-size:14px;color:#2C4A5C;margin-bottom:14px;line-height:1.7;}
.side-fact{
  display:flex;align-items:baseline;gap:8px;
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.side-fact:last-child{border-bottom:0;}
.side-fact strong{font-size:20px;color:var(--warm);font-weight:700;}
.side-fact span{font-size:13px;color:var(--muted);}

/* ---------- Point cards (two columns) ---------- */
.point-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:20px;
}
.point-card{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:24px 22px 22px;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.point-card::before{
  content:"";
  position:absolute;left:0;top:22px;bottom:22px;width:4px;
  background:var(--brand);border-radius:0 4px 4px 0;
  opacity:.85;
}
.point-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E3EE;}
.point-card h3{font-size:20px;margin-bottom:10px;}
.point-card p{font-size:15px;color:var(--muted);line-height:1.75;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tag{
  display:inline-flex;align-items:center;
  padding:4px 11px;border-radius:var(--radius-pill);
  font-size:13px;font-weight:600;
  background:#F2F7FA;color:var(--brand);
}
.tag-teal{background:var(--teal-light);color:var(--teal);}

/* ---------- Figure block ---------- */
.figure-block{
  display:grid;
  grid-template-columns:minmax(0,1.05fr) minmax(0,.95fr);
  gap:40px;
  align-items:center;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:32px;
  box-shadow:var(--sh-1);
}
.figure-block img{
  border-radius:var(--radius-img);
  border:1px solid var(--line);
  width:100%;
}
.figure-block h3{font-size:22px;margin-bottom:14px;}
.figure-block p{color:var(--muted);font-size:15px;margin-bottom:16px;}
.check-list li{
  position:relative;
  padding-left:20px;
  font-size:15px;
  color:var(--text);
  margin-bottom:10px;
  line-height:1.7;
}
.check-list li::before{
  content:"";
  position:absolute;left:0;top:10px;
  width:8px;height:8px;border-radius:2px;
  background:var(--teal);
}

/* ---------- Status board (dark panel) ---------- */
.board{
  background:var(--brand-dark);
  border-radius:var(--radius-card);
  padding:36px 32px;
  color:#fff;
  box-shadow:var(--sh-2);
}
.board h3{color:#fff;font-size:22px;margin-bottom:10px;}
.board > p{color:rgba(255,255,255,.78);font-size:15px;max-width:720px;}
.board-flow{
  display:grid;
  grid-template-columns:repeat(5,minmax(0,1fr));
  gap:14px;
  margin-top:28px;
}
.board-step{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.16);
  border-radius:12px;
  padding:18px 16px;
}
.board-step .num{
  font-size:13px;font-weight:600;color:#7FD7C8;letter-spacing:.04em;
}
.board-step h4{color:#fff;font-size:16px;margin:8px 0 6px;}
.board-step p{color:rgba(255,255,255,.72);font-size:13px;line-height:1.65;}
.board-metrics{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:20px;margin-top:30px;padding-top:26px;
  border-top:1px solid rgba(255,255,255,.14);
}
.board-metrics .val{
  font-size:36px;font-weight:700;color:var(--warm);line-height:1.1;
}
.board-metrics .lbl{font-size:13px;color:rgba(255,255,255,.72);margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:12px;}
.faq-item{
  position:relative;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  transition:border-color .18s ease-out,box-shadow .18s ease-out;
}
.faq-item:hover{border-color:#D3E3EE;box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:18px 20px 18px 24px;
  font-size:17px;
  font-weight:600;
  color:var(--text);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  font-size:22px;
  font-weight:400;
  color:var(--brand);
  line-height:1;
  flex-shrink:0;
  transition:transform .18s ease-out,color .18s ease-out;
}
.faq-item[open] summary::after{content:"–";color:var(--warm);}
.faq-item[open] summary{border-bottom:1px solid var(--line);}
.faq-item[open]::before{
  content:"";
  position:absolute;left:0;top:10px;bottom:10px;width:3px;
  background:var(--brand);border-radius:0 3px 3px 0;
}
.faq-body{padding:16px 24px 22px;}
.faq-body p{font-size:15px;line-height:1.85;color:var(--muted);}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand-dark);
  color:#fff;
  padding:64px 0;
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px;max-width:620px;}
.cta-band p{color:rgba(255,255,255,.78);max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- Related category cards ---------- */
.cat-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.cat-card{
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .18s ease-out,box-shadow .18s ease-out,border-color .18s ease-out;
}
.cat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#D3E3EE;}
.cat-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#E9EFF3;}
.cat-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.cat-card:hover .cat-media img{transform:scale(1.03);}
.cat-media .badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.92);color:var(--brand);}
.cat-body{padding:20px 20px 18px;display:flex;flex-direction:column;flex:1;}
.cat-body h3{font-size:18px;margin-bottom:8px;}
.cat-card:hover .cat-body h3{color:var(--brand);}
.cat-body p{font-size:14px;color:var(--muted);line-height:1.7;flex:1;}
.cat-foot{
  margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--muted);
}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--brand-dark);
  color:rgba(255,255,255,.78);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:44px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo-mark{background:rgba(255,255,255,.14);color:#fff;}
.footer-desc{font-size:14px;line-height:1.8;margin-top:16px;color:rgba(255,255,255,.72);}
.footer-wordmark{
  margin-top:14px;font-size:13px;color:#7FD7C8;letter-spacing:.02em;
}
.footer-title{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{color:rgba(255,255,255,.75);font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-form label{
  display:block;font-size:14px;font-weight:600;color:#fff;margin-bottom:8px;
}
.footer-form input{
  width:100%;height:44px;padding:0 13px;
  border-radius:var(--radius-input);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
  color:#fff;outline:0;
  transition:border-color .18s ease-out,box-shadow .18s ease-out,background-color .18s ease-out;
}
.footer-form input::placeholder{color:rgba(255,255,255,.5);}
.footer-form input:focus{
  border-color:#fff;background:rgba(255,255,255,.14);
  box-shadow:0 0 0 2px rgba(255,255,255,.18);
}
.footer-form .btn{width:100%;margin-top:12px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.62);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:#fff;}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:24px;
  width:46px;height:46px;
  display:none;align-items:center;justify-content:center;
  border:1px solid var(--line);
  border-radius:var(--radius-btn);
  background:#fff;color:var(--brand);
  box-shadow:var(--sh-3);
  transition:transform .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  z-index:70;
}
.to-top.is-visible{display:inline-flex;}
.to-top:hover{color:var(--warm);border-color:var(--warm);transform:translateY(-2px);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .page-head h1{font-size:40px;}
}
@media (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .channel-inner{padding:0 24px;}
  .brand-tools .search-box,
  .brand-tools .brand-phone,
  .brand-tools .btn-primary{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .brand-row{height:64px;}
  .channel-row{display:none;}
  .detail-layout{grid-template-columns:minmax(0,1fr);gap:36px;}
  .detail-side{position:static;}
  .page-head{padding-top:44px;}
  .page-head h1{font-size:34px;}
  .section{padding:64px 0;}
  .figure-block{grid-template-columns:minmax(0,1fr);gap:24px;padding:24px;}
  .board-flow{grid-template-columns:repeat(2,minmax(0,1fr));}
  .board-metrics{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:767px){
  .container{padding-left:20px;padding-right:20px;}
  .channel-inner{padding:0 20px;}
  .page-head h1{font-size:31px;line-height:1.3;}
  .page-lead{font-size:16px;}
  .section{padding:56px 0;}
  .section-head h2, .cta-band h2{font-size:25px;}
  .point-grid{grid-template-columns:minmax(0,1fr);}
  .board{padding:26px 20px;}
  .board-flow{grid-template-columns:minmax(0,1fr);}
  .board-metrics{grid-template-columns:minmax(0,1fr);gap:14px;}
  .cat-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .section-head-row{align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important;}
}