/* roulang page: index */
:root{
  --ink:#0B2A32;
  --ink-2:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --text-2:#4E6B72;
  --text-3:#86999E;
  --line:#DCE7EA;
  --grad:linear-gradient(135deg,#0B2A32 0%,#12615E 55%,#2FD3C0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--ink-2);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(47,211,192,.42);outline-offset:2px;border-radius:10px;}
section[id]{scroll-margin-top:132px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;transition:box-shadow .22s ease;}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.brand-bar{border-bottom:1px solid var(--line);background:#fff;}
.brand-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .22s ease;}
.site-header.is-stuck .brand-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:var(--sh-sm);
}
.brand-text{font-size:19px;font-weight:800;color:var(--ink);white-space:nowrap;}
.brand-sub{font-size:12px;color:var(--text-3);display:block;line-height:1.2;letter-spacing:.06em;}
.nav-search{
  margin-left:auto;display:flex;align-items:center;gap:10px;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 16px;height:44px;min-width:280px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,.16);}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{flex:1;border:none;background:transparent;outline:none;font-size:14px;color:var(--text);}
.nav-search input::placeholder{color:var(--text-3);}
.nav-actions{display:flex;align-items:center;gap:16px;}
.nav-plain{font-size:14px;font-weight:600;color:var(--text-2);}
.nav-plain:hover{color:var(--ink-2);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:17px;
}
.nav-toggle:hover{border-color:var(--aurora);}

.channel-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.channel-inner{
  display:flex;align-items:center;gap:4px;overflow-x:auto;
  scrollbar-width:none;padding-top:4px;padding-bottom:4px;
  -webkit-overflow-scrolling:touch;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;white-space:nowrap;padding:11px 14px;font-size:15px;font-weight:600;
  color:var(--text-2);border-radius:var(--r-pill);
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:5px;height:3px;border-radius:3px;
  background:transparent;transition:background .2s ease;
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{background:rgba(47,211,192,.55);}
.channel-link.is-active{color:var(--ink);}
.channel-link.is-active::after{background:var(--orange);}

/* ---------- buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;border:none;border-radius:var(--r-pill);
  padding:12px 26px;font-size:15px;font-weight:600;line-height:1.2;
  box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
}
.btn-brand:hover{color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);filter:brightness(1.06);}
.btn-brand:active{transform:translateY(0);filter:brightness(.98);}
.btn-outline-ink{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;border:1.5px solid var(--ink);color:var(--ink);
  border-radius:var(--r-pill);padding:12px 26px;font-size:15px;font-weight:600;line-height:1.2;
  transition:background .22s ease,transform .22s ease;
}
.btn-outline-ink:hover{background:rgba(11,42,50,.08);color:var(--ink);transform:translateY(-1px);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;border:1.5px solid var(--line);color:var(--ink-2);
  border-radius:var(--r-pill);padding:10px 22px;font-size:14px;font-weight:600;
  transition:border-color .2s ease,color .2s ease;
}
.btn-ghost:hover{border-color:var(--aurora);color:var(--ink);}
.btn-sm-brand{padding:11px 22px;font-size:14px;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:#F8FBFB;padding:76px 0 44px;}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(560px 320px at 10% 6%, rgba(47,211,192,.10), transparent 70%),
    radial-gradient(520px 320px at 94% 82%, rgba(255,106,43,.08), transparent 70%);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(135deg, rgba(11,42,50,.05) 0 1px, transparent 1px 24px);
}
.hero .container{position:relative;z-index:2;}
.hero-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:56px;align-items:center;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--ink-2);background:rgba(47,211,192,.14);border-radius:var(--r-pill);
  padding:6px 16px;margin-bottom:22px;
}
.hero-title{font-size:48px;font-weight:800;line-height:1.22;margin-bottom:20px;}
.hero-title em{font-style:normal;color:var(--ink-2);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:600px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag-pill{
  font-size:13px;font-weight:600;color:var(--ink-2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);padding:6px 14px;
}
.hero-media{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-lg);aspect-ratio:16/11;background:#E3EEF0;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg, rgba(11,42,50,.06) 0%, rgba(11,42,50,.30) 100%);
}
.hero-bar{position:absolute;left:0;right:0;bottom:0;height:4px;background:rgba(255,255,255,.4);z-index:3;}
.hero-bar span{display:block;height:100%;width:68%;background:var(--grad);border-radius:0 4px 4px 0;}
.hero-badge{
  position:absolute;z-index:4;background:rgba(255,255,255,.95);
  border:1px solid rgba(255,255,255,.75);border-radius:var(--r-sm);
  padding:12px 16px;box-shadow:var(--sh-md);backdrop-filter:blur(6px);
}
.hero-badge .num{font-size:26px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-badge .num small{font-size:13px;font-weight:600;color:var(--ink-2);margin-left:3px;}
.hero-badge .lbl{font-size:12px;color:var(--text-2);margin-top:5px;}
.hero-badge.b1{top:20px;left:20px;}
.hero-badge.b2{bottom:30px;right:20px;}

.anchor-strip{padding:0 0 56px;background:#F8FBFB;}
.anchor-pills{
  display:flex;flex-wrap:wrap;gap:10px;padding-top:8px;
}
.anchor-pills a{
  font-size:14px;font-weight:600;color:var(--text-2);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:9px 18px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.anchor-pills a:hover{color:var(--ink);border-color:rgba(47,211,192,.6);}
.anchor-pills a.is-active{color:#fff;background:var(--grad);border-color:transparent;}

/* ---------- section base ---------- */
.section{padding:100px 0;}
.section-white{background:#fff;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:780px;margin-bottom:44px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--ink-2);
  background:rgba(47,211,192,.14);border-radius:var(--r-pill);padding:5px 14px;
}
.section-head h2{font-size:34px;font-weight:700;line-height:1.28;margin:16px 0 14px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* ---------- cards ---------- */
.card-soft{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);padding:28px;height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.4);}
.card-icon{
  width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  font-size:19px;color:var(--ink-2);background:rgba(47,211,192,.14);margin-bottom:18px;
}
.card-soft h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.card-soft p{color:var(--text-2);font-size:15.5px;}
.card-feature{
  border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-sm);background:#fff;height:100%;
  transition:transform .22s ease,box-shadow .22s ease;
}
.card-feature:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.card-feature .thumb{aspect-ratio:16/9;overflow:hidden;background:#E3EEF0;}
.card-feature .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.card-feature:hover .thumb img{transform:scale(1.03);}
.card-feature .body{padding:26px;}
.card-feature h3{font-size:22px;font-weight:600;margin-bottom:10px;}
.card-feature p{color:var(--text-2);font-size:15.5px;}
.mini-card{
  display:flex;gap:16px;align-items:flex-start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;box-shadow:var(--sh-sm);height:100%;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(47,211,192,.4);}
.mini-card .card-icon{margin-bottom:0;width:44px;height:44px;flex-shrink:0;}
.mini-card h3{font-size:19px;font-weight:600;margin-bottom:8px;}
.mini-card p{color:var(--text-2);font-size:15px;}

/* ---------- showcase ---------- */
.showcase-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.showcase-row + .showcase-row{margin-top:72px;}
.showcase-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-md);aspect-ratio:4/3;background:#E3EEF0;}
.showcase-media img{width:100%;height:100%;object-fit:cover;}
.showcase-body h3{font-size:26px;font-weight:700;margin-bottom:14px;}
.showcase-body > p{color:var(--text-2);margin-bottom:20px;}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;padding:10px 0;
  border-bottom:1px dashed var(--line);font-size:15.5px;color:var(--text-2);
}
.check-list li:last-child{border-bottom:none;}
.check-list i{color:var(--aurora);font-size:14px;margin-top:7px;}
.showcase-row.reverse .showcase-media{order:2;}

/* ---------- proof ---------- */
.proof-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat{
  background:#fff;border-left:3px solid var(--aurora);border-radius:0 var(--r-md) var(--r-md) 0;
  padding:26px 22px;box-shadow:var(--sh-sm);
}
.stat .num{font-size:46px;font-weight:800;line-height:1;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat .num small{font-size:15px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.stat .lbl{font-size:14px;color:var(--text-2);margin-top:10px;}
.timeline{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;margin-top:48px;
  border-top:1px solid var(--line);
}
.timeline-item{padding:24px 20px 0 0;position:relative;}
.timeline-item::before{
  content:"";position:absolute;top:-5px;left:0;width:9px;height:9px;border-radius:50%;
  background:var(--orange);
}
.timeline-item h4{font-size:16px;font-weight:600;margin-bottom:8px;}
.timeline-item p{font-size:14px;color:var(--text-2);}

/* ---------- latest / cms ---------- */
.post-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.4);color:inherit;}
.post-thumb{aspect-ratio:16/9;overflow:hidden;background:#E3EEF0;}
.post-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.post-card:hover .post-thumb img{transform:scale(1.03);}
.post-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.post-body .tag{
  align-self:flex-start;font-size:12px;font-weight:600;color:var(--ink-2);
  background:rgba(47,211,192,.14);border-radius:var(--r-pill);padding:4px 12px;
}
.post-title{
  font-size:18px;font-weight:600;line-height:1.45;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-excerpt{
  font-size:14.5px;color:var(--text-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;gap:12px;align-items:center;}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
  padding:56px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--text-3);}
.empty-state p{color:var(--text-2);margin:16px 0 20px;}

/* ---------- plans ---------- */
.plan{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px 28px;height:100%;box-shadow:var(--sh-sm);position:relative;
  display:flex;flex-direction:column;transition:transform .22s ease,box-shadow .22s ease;
}
.plan:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.plan.featured{
  border:1.5px solid var(--ink-2);box-shadow:var(--sh-lg);transform:translateY(-8px);
}
.plan.featured:hover{transform:translateY(-12px);}
.plan-flag{
  position:absolute;top:-13px;right:24px;background:var(--orange);color:#fff;
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:5px 14px;
}
.plan h3{font-size:21px;font-weight:700;margin-bottom:8px;}
.plan .plan-desc{font-size:14.5px;color:var(--text-2);margin-bottom:22px;}
.plan ul{margin-bottom:26px;}
.plan ul li{
  display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2);padding:8px 0;
  border-bottom:1px solid var(--bg-alt);
}
.plan ul li:last-child{border-bottom:none;}
.plan ul i{color:var(--aurora);font-size:13px;margin-top:7px;}
.plan .plan-cta{margin-top:auto;}

/* ---------- faq ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-sm);padding:12px 28px;}
.accordion-item{border:none;border-bottom:1px solid var(--line);background:transparent;}
.accordion-item:last-child{border-bottom:none;}
.accordion-button{
  background:transparent;border:none;box-shadow:none !important;
  font-size:17px;font-weight:600;color:var(--ink);padding:22px 0 22px 18px;line-height:1.5;
}
.accordion-button::after{color:var(--ink-2);}
.accordion-button:not(.collapsed){color:var(--ink);background:transparent;position:relative;}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  border-radius:3px;background:var(--aurora);
}
.accordion-body{padding:0 0 24px 18px;color:var(--text-2);font-size:15.5px;line-height:1.8;}

/* ---------- bottom cta ---------- */
.bottom-cta{
  background:var(--bg-alt);border-top:1px solid var(--line);position:relative;overflow:hidden;
  padding:64px 0 8px;
}
.bottom-cta::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);
}
.bottom-cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;padding-bottom:56px;}
.bottom-cta h2{font-size:30px;font-weight:700;margin-bottom:12px;}
.bottom-cta p{color:var(--text-2);max-width:620px;}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#B9CED1;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px;}
.site-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.site-footer p{font-size:14.5px;line-height:1.8;color:#9FBBBf;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand span{color:#fff;font-size:18px;font-weight:800;}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14.5px;color:#B9CED1;}
.footer-links a:hover{color:var(--aurora);}
.footer-contact li{font-size:14.5px;margin-bottom:12px;display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--aurora);margin-top:6px;font-size:13px;}
.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:#8CA8AC;
}

/* ---------- float cta ---------- */
.float-cta{
  position:fixed;right:28px;bottom:28px;z-index:1040;
  display:inline-flex;align-items:center;gap:10px;
  background:var(--grad);color:#fff;font-size:14.5px;font-weight:600;
  border-radius:var(--r-pill);padding:14px 24px;box-shadow:var(--sh-md);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .25s ease,transform .25s ease,visibility .25s ease,filter .2s ease;
}
.float-cta.is-visible{opacity:1;visibility:visible;transform:translateY(0);}
.float-cta:hover{color:#fff;filter:brightness(1.06);}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:320px;max-width:88vw;background:#fff;z-index:1060;
  transform:translateX(100%);transition:transform .28s ease;padding:24px 22px;
  display:flex;flex-direction:column;gap:20px;overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--ink);font-size:16px;
}
.drawer-nav{display:grid;grid-template-columns:1fr 1fr;gap:10px;}
.drawer-nav a{
  background:var(--bg-alt);border-radius:var(--r-sm);padding:12px 14px;
  font-size:14.5px;font-weight:600;color:var(--text-2);text-align:center;
}
.drawer-nav a.is-active{background:var(--grad);color:#fff;}
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,50,.42);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-title{font-size:42px;}
  .proof-grid{grid-template-columns:repeat(2,1fr);}
  .timeline{grid-template-columns:repeat(2,1fr);row-gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991px){
  .hero{padding:56px 0 36px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-title{font-size:36px;}
  .hero-sub{font-size:16px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;}
  .showcase-row{grid-template-columns:1fr;gap:28px;}
  .showcase-row.reverse .showcase-media{order:0;}
  .section{padding:72px 0;}
  .section-head h2{font-size:28px;}
  .faq-wrap{padding:6px 20px;}
}
@media (max-width:767px){
  .brand-inner{height:64px;}
  .site-header.is-stuck .brand-inner{height:58px;}
  .brand-text{font-size:17px;}
  .nav-plain{display:none;}
  .anchor-strip{padding-bottom:40px;}
  .hero-title{font-size:31px;}
  .hero-cta .btn-brand,.hero-cta .btn-outline-ink{width:100%;}
  .hero-badge{padding:9px 12px;}
  .hero-badge .num{font-size:20px;}
  .hero-badge .lbl{font-size:11px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .proof-grid{grid-template-columns:1fr;gap:16px;}
  .timeline{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .bottom-cta h2{font-size:23px;}
  .plan.featured{transform:none;}
  .plan.featured:hover{transform:translateY(-4px);}
  .float-cta{
    right:0;left:0;bottom:0;width:100%;height:56px;border-radius:0;
    justify-content:center;transform:translateY(100%);
  }
  .float-cta.is-visible{transform:translateY(0);}
  .site-footer{padding-bottom:56px;}
}

/* roulang page: article */
:root{
  --ink:#0B2A32;
  --ink-2:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --text-2:#4E6B72;
  --text-3:#86999E;
  --line:#DCE7EA;
  --grad:linear-gradient(135deg,#0B2A32 0%,#12615E 52%,#2FD3C0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
ul,ol{margin:0;padding:0;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:3px solid rgba(47,211,192,.4);outline-offset:2px;border-radius:8px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
@media (min-width:1400px){.container{max-width:1320px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;}
.brand-bar{border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.brand-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .22s ease;}
.site-header.is-stuck .brand-bar{box-shadow:var(--sh-md);}
.site-header.is-stuck .brand-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;min-width:0;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 auto;
  background:var(--grad);color:#fff;display:grid;place-items:center;
  font-size:16px;box-shadow:0 6px 16px rgba(18,97,94,.28);
}
.brand-text{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.2;}
.brand-sub{display:block;font-size:12px;color:var(--text-3);line-height:1.45;font-weight:400;}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:320px;margin-left:auto;}
.nav-search i{position:absolute;left:16px;font-size:13px;color:var(--text-3);pointer-events:none;}
.nav-search input{
  width:100%;height:42px;border-radius:999px;border:1px solid var(--line);
  background:var(--bg-alt);padding:0 18px 0 40px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,background .2s ease,box-shadow .2s ease;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{outline:none;border-color:var(--aurora);background:#fff;box-shadow:0 0 0 3px rgba(47,211,192,.16);}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-plain{font-size:14px;color:var(--text-2);transition:color .18s ease;white-space:nowrap;}
.nav-plain:hover{color:var(--ink);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);align-items:center;justify-content:center;font-size:16px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease;
}
.nav-toggle:hover{border-color:var(--aurora);color:var(--ink-2);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border-radius:999px;border:0;
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:0 8px 20px rgba(18,97,94,.22);cursor:pointer;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;}
.btn-brand:active{transform:translateY(0);filter:brightness(.97);}
.btn-sm-brand{height:40px;padding:0 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:999px;
  border:1.5px solid var(--ink);color:var(--ink);background:transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.btn-ghost:hover{background:rgba(11,42,50,.08);color:var(--ink);}
.channel-bar{background:var(--bg-alt);border-bottom:1px solid var(--line);}
.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{
  position:relative;display:inline-flex;align-items:center;height:52px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:color .18s ease;
}
.channel-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:0;height:3px;border-radius:3px;
  background:transparent;transition:background .18s ease;
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{background:rgba(47,211,192,.55);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{background:var(--orange);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);padding:34px 0 44px;
}
.article-hero::before{
  content:"";position:absolute;right:-140px;top:-160px;width:440px;height:440px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,192,.16) 0%,rgba(255,106,43,.07) 58%,rgba(255,255,255,0) 74%);
  pointer-events:none;
}
.crumb{
  position:relative;z-index:1;display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:22px;
}
.crumb a{transition:color .18s ease;}
.crumb a:hover{color:var(--aurora);}
.crumb .sep{color:#B9C9CE;}
.crumb .current{color:var(--text-2);max-width:48ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-head{position:relative;z-index:1;max-width:920px;}
.cat-pill{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;color:#0E7C6E;
  background:rgba(47,211,192,.14);border:1px solid rgba(47,211,192,.32);
}
.article-title{
  font-size:44px;line-height:1.25;font-weight:800;color:var(--ink);
  margin:18px 0 0;letter-spacing:0;word-break:break-word;
}
.article-meta{display:flex;flex-wrap:wrap;gap:8px 22px;margin-top:22px;font-size:14px;color:var(--text-3);}
.article-meta span{display:inline-flex;align-items:center;gap:8px;}
.article-meta i{color:var(--aurora);font-size:13px;}

/* ---------- article body ---------- */
.article-main{padding:56px 0 0;}
.article-wrap{max-width:800px;margin:0 auto;}
.article-body{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:44px 48px;box-shadow:var(--sh-sm);word-break:break-word;
}
.article-body>*:first-child{margin-top:0;}
.article-body>*:last-child{margin-bottom:0;}
.article-body p{font-size:17px;line-height:1.85;color:var(--text);margin:0 0 1.4em;}
.article-body h2{font-size:32px;line-height:1.3;font-weight:700;color:var(--ink);margin:48px 0 18px;}
.article-body h3{font-size:22px;line-height:1.4;font-weight:600;color:var(--ink);margin:32px 0 14px;}
.article-body h4{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);margin:24px 0 12px;}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.5em;line-height:1.9;}
.article-body li{margin-bottom:8px;}
.article-body ul li::marker{color:var(--aurora);}
.article-body ol li::marker{color:var(--ink-2);font-weight:600;}
.article-body blockquote{
  margin:28px 0;padding:18px 24px;border-left:4px solid var(--aurora);
  background:var(--bg-alt);border-radius:0 var(--r-sm) var(--r-sm) 0;color:var(--text-2);
}
.article-body blockquote p{margin:0;color:var(--text-2);font-size:16px;}
.article-body img{border-radius:var(--r-sm);margin:26px auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;margin-top:10px;}
.article-body a{color:var(--ink-2);border-bottom:1px solid rgba(47,211,192,.6);transition:color .18s ease,border-color .18s ease;}
.article-body a:hover{color:var(--orange);border-color:var(--orange);}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:24px 0;font-size:15px;
}
.article-body th{background:var(--bg-alt);color:var(--ink);font-weight:600;text-align:left;padding:12px 16px;white-space:nowrap;}
.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--text-2);}
.article-body code{
  background:var(--bg-alt);border-radius:8px;padding:2px 8px;font-size:15px;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre{background:var(--bg-alt);border-radius:12px;padding:18px 20px;overflow-x:auto;margin:24px 0;}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:36px 0;}
.empty-state{
  text-align:center;padding:48px 24px;border-radius:var(--r-md);
  background:var(--bg-alt);border:1px dashed var(--line);
}
.empty-state i{font-size:34px;color:var(--aurora);}
.empty-state h3{font-size:20px;font-weight:600;color:var(--ink);margin:16px 0 8px;}
.empty-state p{font-size:15px;color:var(--text-2);margin:0 0 22px;}

/* ---------- article foot ---------- */
.article-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:18px;margin-top:26px;padding-top:24px;border-top:1px solid var(--line);
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 14px;border-radius:999px;
  font-size:12px;font-weight:600;color:var(--ink);background:#fff;border:1px solid var(--line);
  transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:rgba(47,211,192,.6);color:var(--ink-2);}
.share-row{display:flex;flex-wrap:wrap;gap:10px;}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;
  border-radius:999px;border:1.5px solid var(--line);background:#fff;
  color:var(--text-2);font-size:14px;cursor:pointer;
  transition:border-color .2s ease,color .2s ease,background .2s ease;
}
.btn-line:hover{border-color:var(--ink);color:var(--ink);background:#fff;}
.return-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

/* ---------- related ---------- */
.related{padding:72px 0 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:#0E7C6E;background:rgba(47,211,192,.14);border:1px solid rgba(47,211,192,.3);
  height:28px;padding:0 14px;border-radius:999px;
}
.section-title{font-size:32px;font-weight:700;color:var(--ink);line-height:1.3;margin:16px 0 10px;}
.section-desc{font-size:15px;color:var(--text-2);line-height:1.8;margin:0;}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.r-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.r-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.4);}
.r-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-alt);}
.r-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.r-card:hover .r-thumb img{transform:scale(1.03);}
.r-body{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1 1 auto;}
.r-body h3{
  font-size:18px;font-weight:600;line-height:1.5;color:var(--ink);margin:0 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.r-body p{
  font-size:14px;color:var(--text-2);line-height:1.7;margin:0 0 16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.r-meta{margin-top:auto;font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:8px;}
.r-meta i{color:var(--aurora);}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;margin-top:80px;padding:40px 44px;
  background:var(--bg-alt);border-radius:var(--r-lg);
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-band::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);}
.cta-band h2{font-size:26px;font-weight:700;color:var(--ink);margin:0 0 8px;line-height:1.35;}
.cta-band p{font-size:15px;color:var(--text-2);margin:0;max-width:60ch;line-height:1.8;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;position:relative;z-index:1;}

/* ---------- footer ---------- */
.site-footer{
  position:relative;overflow:hidden;margin-top:88px;padding:72px 0 26px;
  background:var(--ink);color:rgba(255,255,255,.7);
}
.site-footer::before{
  content:"";position:absolute;left:-180px;top:-200px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,192,.16) 0%,rgba(255,106,43,.06) 55%,rgba(11,42,50,0) 72%);
  pointer-events:none;
}
.footer-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:44px;}
.footer-brand{display:flex;align-items:center;gap:12px;color:#fff;font-size:18px;font-weight:800;margin-bottom:16px;}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:15px;}
.site-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin:0 0 18px;}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.68);transition:color .18s ease;}
.footer-links a:hover{color:var(--aurora);}
.footer-contact{list-style:none;display:flex;flex-direction:column;gap:14px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.68);}
.footer-contact i{color:var(--aurora);margin-top:5px;flex:0 0 auto;}
.footer-bottom{
  position:relative;z-index:1;display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-title{font-size:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .nav-search{max-width:220px;}
  .article-title{font-size:36px;}
  .article-body{padding:36px 32px;}
  .related-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .brand-inner{height:64px;gap:12px;}
  .site-header.is-stuck .brand-inner{height:58px;}
  .nav-search{display:none;}
  .nav-plain{display:none;}
  .nav-toggle{display:inline-flex;}
  .brand-text{font-size:16px;}
  .channel-bar{display:none;}
  .channel-bar.is-open{display:block;}
  .channel-inner{flex-wrap:wrap;height:auto;padding:12px 0 16px;gap:8px;overflow:visible;}
  .channel-link{height:38px;border-radius:999px;background:#fff;border:1px solid var(--line);padding:0 16px;font-size:14px;}
  .channel-link::after{display:none;}
  .channel-link.is-active{background:var(--ink);color:#fff;border-color:var(--ink);}
  .article-hero{padding:24px 0 32px;}
  .article-title{font-size:30px;}
  .article-meta{gap:6px 18px;font-size:13px;}
  .article-main{padding:36px 0 0;}
  .article-body{padding:26px 20px;border-radius:var(--r-md);}
  .article-body p{font-size:16px;line-height:1.8;}
  .article-body h2{font-size:24px;margin-top:36px;}
  .article-body h3{font-size:19px;margin-top:26px;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .related{padding:52px 0 0;}
  .section-title{font-size:24px;}
  .related-grid{grid-template-columns:1fr;}
  .cta-band{margin-top:56px;padding:30px 24px;}
  .cta-band h2{font-size:21px;}
  .site-footer{margin-top:64px;padding:52px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:419px){
  .brand-sub{display:none;}
  .article-title{font-size:26px;}
}

/* roulang page: category1 */
:root{
  --ink:#0B2A32;
  --teal:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --band:#EAF2F3;
  --card:#FFFFFF;
  --t1:#10262C;
  --t2:#4E6B72;
  --t3:#86999E;
  --line:#DCE7EA;
  --brand-grad:linear-gradient(135deg,#0B2A32 0%,#12615E 55%,#2FD3C0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --ease:220ms cubic-bezier(.4,0,.2,1);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--t1);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color var(--ease)}
a:hover{color:var(--teal)}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0}
h1{font-weight:800}
h2{font-weight:700}
h3,h4{font-weight:600}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit}
input{font-family:inherit}
:focus-visible{outline:3px solid rgba(47,211,192,.45);outline-offset:2px;border-radius:6px}

.container,.container-fluid{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media(min-width:1400px){
  .container,.container-fluid{max-width:1320px}
}

/* ---------- 顶栏 ---------- */
.site-header{position:sticky;top:0;z-index:1040}
.brand-bar{
  background:#fff;
  height:72px;
  display:flex;
  align-items:center;
  border-bottom:1px solid transparent;
  transition:height var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.site-header.is-stuck .brand-bar{
  height:60px;
  box-shadow:var(--sh-md);
  border-bottom-color:var(--line);
}
.brand-inner{display:flex;align-items:center;gap:24px;height:100%}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;
  border-radius:12px;
  background:var(--brand-grad);
  color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;
  box-shadow:var(--sh-sm);
  flex-shrink:0;
}
.brand-text{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.2;white-space:nowrap}
.brand-sub{display:block;font-size:12px;color:var(--t3);line-height:1.4;white-space:nowrap}

.nav-search{
  display:flex;align-items:center;gap:10px;
  flex:1 1 auto;max-width:340px;margin-left:auto;
  height:42px;padding:0 18px;
  background:var(--band);
  border:1px solid var(--line);
  border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search:focus-within{background:#fff;border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,.18)}
.nav-search i{color:var(--t3);font-size:13px}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px;color:var(--t1)}
.nav-search input::placeholder{color:var(--t3)}

.nav-actions{display:flex;align-items:center;gap:16px;flex-shrink:0}
.nav-plain{font-size:14px;font-weight:500;color:var(--t2)}
.nav-plain:hover{color:var(--teal)}
.nav-toggle{
  display:none;width:42px;height:42px;
  border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:16px;
  align-items:center;justify-content:center;
  transition:border-color var(--ease),background var(--ease);
}
.nav-toggle:hover{border-color:var(--aurora);background:var(--band)}

.channel-bar{background:var(--band);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.channel-inner{
  display:flex;align-items:center;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none}
.channel-link{
  position:relative;
  padding:14px 4px 15px;
  margin-right:28px;
  font-size:15px;font-weight:500;color:var(--t2);
  white-space:nowrap;
}
.channel-link:last-child{margin-right:0}
.channel-link::after{
  content:"";position:absolute;left:0;right:0;bottom:0;
  height:3px;border-radius:3px 3px 0 0;background:transparent;
  transition:background var(--ease);
}
.channel-link:hover{color:var(--ink)}
.channel-link:hover::after{background:var(--aurora)}
.channel-link.is-active{color:var(--ink);font-weight:700}
.channel-link.is-active::after{background:var(--orange)}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 28px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),filter var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-brand{background:var(--brand-grad);color:#fff;box-shadow:var(--sh-sm)}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-brand:active{transform:translateY(0);filter:brightness(.98)}
.btn-ghost{background:transparent;border:1.5px solid var(--ink);color:var(--ink)}
.btn-ghost:hover{background:rgba(11,42,50,.08);color:var(--ink);transform:translateY(-1px)}
.btn-sm-brand{height:40px;padding:0 20px;font-size:14px}

/* ---------- 通用 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff}
.section-band{background:var(--band)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal);
  background:rgba(47,211,192,.14);
  border-radius:var(--r-pill);
  padding:6px 14px;
}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{font-size:33px;color:var(--ink);margin-top:16px}
.section-head p{margin-top:14px;font-size:16px;color:var(--t2);line-height:1.8}

/* ---------- 频道头 ---------- */
.page-hero{position:relative;background:var(--band);overflow:hidden;border-bottom:1px solid var(--line)}
.page-hero-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.55;
}
.page-hero::after{
  content:"";position:absolute;inset:0;z-index:1;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.93) 44%,rgba(255,255,255,.42) 100%);
}
.page-hero::before{
  content:"";position:absolute;z-index:1;
  width:560px;height:560px;right:-160px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,106,43,.18),rgba(47,211,192,.12) 45%,transparent 72%);
}
.page-hero-inner{position:relative;z-index:2;padding:64px 0 60px;max-width:840px}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);margin-bottom:22px;
}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--teal)}
.crumb i{font-size:10px;color:var(--t3)}
.crumb span{color:var(--t2)}
.page-hero h1{
  font-size:46px;color:var(--ink);
  margin:18px 0 18px;
}
.page-hero .hero-lede{font-size:17px;color:var(--t2);line-height:1.8;max-width:680px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 14px;
  border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(47,211,192,.14);color:#0F7A70;
}
.tag.is-orange{background:rgba(255,106,43,.14);color:#C24A16}

/* ---------- 步骤时间轴 ---------- */
.step-list{list-style:none;position:relative;margin:0;padding:0}
.step-list::before{
  content:"";position:absolute;left:31px;top:18px;bottom:44px;width:2px;
  background:linear-gradient(180deg,var(--aurora) 0%,rgba(47,211,192,.12) 100%);
}
.step-item{
  display:grid;grid-template-columns:64px 1fr;gap:26px;
  position:relative;padding-bottom:26px;
}
.step-item:last-child{padding-bottom:0}
.step-badge{
  width:64px;height:64px;border-radius:20px;
  background:var(--brand-grad);
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:20px;font-weight:800;
  font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-md);
  position:relative;z-index:2;
}
.step-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:26px 30px;
  box-shadow:var(--sh-sm);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.45)}
.step-card h3{font-size:21px;color:var(--ink);margin-bottom:12px}
.step-card p{font-size:15.5px;color:var(--t2);line-height:1.8}
.step-meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:16px;font-size:13px;color:var(--t3);
}
.step-meta i{color:var(--aurora)}

/* ---------- 基础要点 ---------- */
.concept-list{display:grid;grid-template-columns:1fr 1fr;gap:0 44px;margin-top:8px}
.concept-list li{
  border-top:1px solid var(--line);
  padding:24px 0 24px 22px;
  position:relative;
}
.concept-list li::before{
  content:"";position:absolute;left:0;top:27px;
  width:3px;height:22px;border-radius:2px;background:var(--aurora);
}
.concept-list h3{font-size:18px;color:var(--ink);margin-bottom:10px}
.concept-list p{font-size:15px;color:var(--t2);line-height:1.78}

/* ---------- 误区 ---------- */
.pit-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.pit-list li{
  display:flex;gap:16px;
  padding:18px 0;
  border-bottom:1px dashed var(--line);
}
.pit-list li:last-child{border-bottom:0}
.pit-list i{
  flex-shrink:0;width:34px;height:34px;border-radius:11px;
  background:rgba(255,106,43,.13);color:#C24A16;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  margin-top:2px;
}
.pit-list h3{font-size:17px;color:var(--ink);margin-bottom:6px}
.pit-list p{font-size:14.5px;color:var(--t2);line-height:1.75}
.pit-media{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-lg);
  position:relative;
  aspect-ratio:4/3;
  background:var(--band);
}
.pit-media img{width:100%;height:100%;object-fit:cover}
.pit-media figcaption{
  position:absolute;left:0;right:0;bottom:0;
  padding:26px 24px 20px;
  background:linear-gradient(180deg,rgba(11,42,50,0) 0%,rgba(11,42,50,.82) 100%);
  color:#fff;font-size:14px;line-height:1.6;
}

/* ---------- FAQ ---------- */
.faq-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:6px 32px;
  box-shadow:var(--sh-sm);
  max-width:920px;
  margin:0 auto;
}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0;
  font-size:16.5px;font-weight:600;color:var(--ink);
  text-align:left;
  transition:color var(--ease);
}
.faq-q:hover{color:var(--teal)}
.faq-q i{color:var(--teal);font-size:14px;transition:transform var(--ease);flex-shrink:0}
.faq-q[aria-expanded="true"] i{transform:rotate(180deg)}
.faq-a{
  border-left:3px solid var(--aurora);
  padding-left:18px;
  margin:0 0 24px;
  font-size:15.5px;color:var(--t2);line-height:1.8;
  max-width:760px;
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--band);
  border-top:1px solid var(--line);
  position:relative;
  overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;
  background:var(--brand-grad);
}
.cta-band::after{
  content:"";position:absolute;
  width:420px;height:420px;left:-140px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,192,.20),transparent 68%);
}
.cta-inner{
  position:relative;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  padding:56px 0;
}
.cta-inner h2{font-size:29px;color:var(--ink)}
.cta-inner p{margin-top:12px;font-size:16px;color:var(--t2);max-width:620px;line-height:1.8}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:72px}
.footer-grid{
  display:grid;
  grid-template-columns:1.7fr 1fr 1fr 1.3fr;
  gap:48px;
  padding-bottom:52px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:800;color:var(--ink);
  margin-bottom:16px;
}
.footer-brand .brand-mark{width:36px;height:36px;border-radius:11px;font-size:15px}
.footer-grid p{font-size:14.5px;color:var(--t2);line-height:1.8;max-width:350px}
.footer-grid h4{font-size:15px;font-weight:700;color:var(--ink);margin-bottom:18px}
.footer-links li{margin-bottom:11px}
.footer-links a{font-size:14.5px;color:var(--t2)}
.footer-links a:hover{color:var(--aurora)}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14.5px;color:var(--t2);
  line-height:1.72;margin-bottom:13px;
}
.footer-contact i{color:var(--aurora);margin-top:6px;flex-shrink:0}
.footer-bottom{
  background:var(--band);
  border-top:1px solid var(--line);
  padding:22px 0;
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--t3);
}

/* ---------- 移动端抽屉 ---------- */
.mobile-drawer{position:fixed;inset:0;z-index:1080;visibility:hidden;pointer-events:none}
.mobile-drawer.is-open{visibility:visible;pointer-events:auto}
.mobile-scrim{
  position:absolute;inset:0;background:rgba(11,42,50,.45);
  opacity:0;transition:opacity var(--ease);
}
.mobile-drawer.is-open .mobile-scrim{opacity:1}
.mobile-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(330px,86vw);
  background:#fff;
  transform:translateX(100%);
  transition:transform 280ms ease;
  overflow-y:auto;
  padding:22px;
}
.mobile-drawer.is-open .mobile-panel{transform:translateX(0)}
.mobile-head{
  display:flex;align-items:center;justify-content:space-between;
  font-size:15px;font-weight:700;color:var(--ink);
  padding-bottom:18px;border-bottom:1px solid var(--line);
}
.mobile-head button{
  width:36px;height:36px;border-radius:10px;
  background:var(--band);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.mobile-search{
  display:flex;align-items:center;gap:10px;
  margin:20px 0 8px;height:46px;padding:0 16px;
  background:var(--band);border:1px solid var(--line);border-radius:var(--r-sm);
}
.mobile-search input{flex:1;min-width:0;border:0;background:transparent;outline:none;font-size:14px}
.mobile-links{display:flex;flex-direction:column}
.mobile-links a{
  padding:15px 4px;
  border-bottom:1px solid var(--line);
  font-size:15.5px;font-weight:500;color:var(--t2);
}
.mobile-links a.is-active{color:var(--ink);font-weight:700;border-left:3px solid var(--orange);padding-left:12px}

/* ---------- 响应式 ---------- */
@media(max-width:1199.98px){
  .page-hero h1{font-size:40px}
  .section-head h2{font-size:30px}
}
@media(max-width:991.98px){
  .nav-search{display:none}
  .nav-toggle{display:flex}
  .nav-plain{display:none}
  .section{padding:68px 0}
  .page-hero-inner{padding:52px 0 48px}
  .page-hero h1{font-size:34px}
  .concept-list{grid-template-columns:1fr;gap:0}
  .pit-grid{grid-template-columns:1fr;gap:36px}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .faq-wrap{padding:6px 22px}
}
@media(max-width:767.98px){
  .brand-sub{display:none}
  .brand-text{font-size:16.5px}
  .brand-bar{height:64px}
  .site-header.is-stuck .brand-bar{height:58px}
  .channel-link{margin-right:22px;font-size:14.5px}
  .page-hero h1{font-size:30px;margin:14px 0 14px}
  .page-hero .hero-lede{font-size:15.5px}
  .section{padding:56px 0}
  .section-head h2{font-size:25px}
  .step-item{grid-template-columns:48px 1fr;gap:16px}
  .step-badge{width:48px;height:48px;border-radius:15px;font-size:16px}
  .step-list::before{left:23px}
  .step-card{padding:20px 20px}
  .step-card h3{font-size:18.5px}
  .cta-inner h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid p{max-width:none}
  .footer-bottom{flex-direction:column;align-items:flex-start;font-size:12.5px}
}
@media(max-width:575.98px){
  .container,.container-fluid{padding-left:16px;padding-right:16px}
  .page-hero-inner{padding:40px 0 40px}
  .page-hero h1{font-size:27px}
  .btn-brand,.btn-ghost{height:44px;padding:0 22px;font-size:14.5px}
  .cta-actions{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1 1 auto}
  .faq-q{font-size:15.5px;padding:18px 0}
  .faq-wrap{padding:4px 18px}
}

/* roulang page: category2 */
:root{
  --ink:#0B2A32;
  --ink-2:#12615E;
  --cyan:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --text-2:#4E6B72;
  --text-3:#86999E;
  --line:#DCE7EA;
  --grad:linear-gradient(135deg,#0B2A32 0%,#12615E 55%,#2FD3C0 100%);
  --grad-soft:linear-gradient(135deg,rgba(11,42,50,.06),rgba(47,211,192,.10));
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --t:220ms ease;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-2);text-decoration:none;transition:color var(--t);}
a:hover{color:var(--orange);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:0;color:var(--ink);}
p{margin:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,211,192,.45);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:767px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.brand-bar{height:72px;transition:height var(--t);}
.site-header.is-scrolled .brand-bar{height:60px;}
.brand-inner{display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:12px;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--grad);
  display:inline-flex;align-items:center;justify-content:center;
  color:#fff;font-size:17px;flex:0 0 auto;
  box-shadow:var(--sh-sm);
}
.brand-text{display:block;font-size:18px;font-weight:800;color:var(--ink);line-height:1.2;}
.brand-sub{display:block;font-size:12px;color:var(--text-3);letter-spacing:.02em;line-height:1.4;}

.nav-search{
  flex:1 1 auto;max-width:360px;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 16px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--bg);transition:border-color var(--t),box-shadow var(--t);
}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  border:0;background:transparent;outline:none;flex:1;font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{border-color:var(--cyan);box-shadow:0 0 0 3px rgba(47,211,192,.18);background:#fff;}

.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.nav-plain{font-size:14px;color:var(--text-2);font-weight:500;}
.nav-plain:hover{color:var(--orange);}
.nav-toggle{
  display:none;width:42px;height:42px;border:1px solid var(--line);border-radius:12px;
  background:#fff;color:var(--ink);font-size:16px;
}

.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 26px;border:0;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-sm);transition:transform var(--t),box-shadow var(--t),filter var(--t);
}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-brand:active{transform:translateY(0);filter:brightness(.98);}
.btn-sm-brand{height:40px;padding:0 20px;font-size:14px;}

.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;transition:background var(--t),transform var(--t),border-color var(--t);
}
.btn-ghost:hover{background:rgba(11,42,50,.08);color:var(--ink);transform:translateY(-1px);}

.btn-text{color:var(--cyan);font-weight:600;font-size:14.5px;border-bottom:1px solid transparent;}
.btn-text:hover{color:var(--cyan);border-bottom-color:currentColor;}

/* channel bar */
.channel-bar{background:var(--bg-alt);border-top:1px solid var(--line);}
.channel-inner{
  display:flex;align-items:center;gap:6px;
  overflow-x:auto;scrollbar-width:none;
  height:52px;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;
  padding:0 16px;height:52px;display:inline-flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--text-2);
  white-space:nowrap;
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:transparent;transition:background var(--t);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{background:var(--cyan);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{background:var(--orange);}

/* offcanvas drawer */
.channel-drawer{border-left:1px solid var(--line);}
.channel-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.channel-drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-top:8px;}
.drawer-item{
  display:block;padding:14px 14px;border:1px solid var(--line);border-radius:var(--r-sm);
  background:var(--bg);font-size:14.5px;font-weight:600;color:var(--ink);
}
.drawer-item.is-active{background:var(--grad);color:#fff;border-color:transparent;}
.drawer-note{margin-top:20px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- page hero ---------- */
.page-hero{position:relative;background:var(--bg-alt);overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  opacity:.9;
}
.page-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(244,248,249,.98) 0%,rgba(244,248,249,.92) 42%,rgba(244,248,249,.55) 78%,rgba(244,248,249,.35) 100%);
}
.page-hero-inner{position:relative;z-index:1;padding:64px 0 56px;max-width:720px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:18px;}
.crumb a{color:var(--text-3);}
.crumb a:hover{color:var(--orange);}
.crumb .sep{color:#bccbd0;}
.crumb .current{color:var(--text-2);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.page-hero h1{
  font-size:clamp(30px,4vw,48px);font-weight:800;color:var(--ink);margin-bottom:16px;
}
.page-hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.page-hero-lead{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:22px;}
.hero-pills{display:flex;flex-wrap:wrap;gap:10px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(47,211,192,.12);color:#116b62;
}
.pill-orange{background:rgba(255,106,43,.12);color:#c2431a;}
.pill-ink{background:rgba(11,42,50,.08);color:var(--ink);}

/* ---------- sections ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--bg-alt);}
@media (max-width:991px){.section{padding:72px 0;}}
@media (max-width:767px){.section{padding:56px 0;}}

.section-head{max-width:720px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:700;letter-spacing:.08em;color:var(--ink-2);
  text-transform:uppercase;margin-bottom:12px;
}
.section-head .eyebrow::before{content:"";width:22px;height:2px;background:var(--grad);border-radius:2px;}
.section-head h2{font-size:clamp(26px,2.8vw,34px);font-weight:700;margin-bottom:12px;}
.section-head p{color:var(--text-2);font-size:16px;}

/* pull quote */
.pull-quote{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:38px 40px;box-shadow:var(--sh-sm);
  border-left:6px solid var(--cyan);
  display:flex;gap:24px;align-items:flex-start;
}
.pull-quote p{
  font-size:clamp(20px,2.2vw,26px);font-weight:700;color:var(--ink);line-height:1.5;
}
.pull-quote span{display:block;margin-top:12px;font-size:14px;font-weight:400;color:var(--text-3);}
.pull-quote i{color:var(--cyan);font-size:26px;margin-top:4px;}
@media (max-width:575px){.pull-quote{padding:26px 22px;}}

/* magazine grid */
.mag-grid{display:grid;grid-template-columns:1.25fr 1fr 1fr;grid-template-rows:auto auto;gap:24px;}
.mag-lead{grid-row:span 2;}
.m-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.m-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.45);}
.m-media{
  position:relative;width:100%;aspect-ratio:4/3;overflow:hidden;background:var(--bg-alt);
}
.m-media.tall{aspect-ratio:16/10;}
.m-media img{width:100%;height:100%;object-fit:cover;transition:transform 320ms ease;}
.m-card:hover .m-media img{transform:scale(1.03);}
.m-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.m-tag{
  display:inline-flex;align-self:flex-start;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:rgba(255,106,43,.12);color:#c2431a;
}
.m-tag.cyan{background:rgba(47,211,192,.14);color:#116b62;}
.m-tag.ink{background:rgba(11,42,50,.08);color:var(--ink);}
.m-title{font-size:20px;font-weight:700;line-height:1.4;}
.m-title.lg{font-size:clamp(22px,2.3vw,27px);}
.m-text{font-size:15px;color:var(--text-2);}
.m-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:var(--text-3);
}
.m-meta i{margin-right:6px;color:var(--cyan);}

@media (max-width:991px){
  .mag-grid{grid-template-columns:1fr 1fr;}
  .mag-lead{grid-row:span 1;grid-column:span 2;}
}
@media (max-width:575px){
  .mag-grid{grid-template-columns:1fr;}
  .mag-lead{grid-column:span 1;}
}

/* spec table */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;
}
.table-scroll{overflow-x:auto;}
.spec-table{width:100%;border-collapse:collapse;min-width:720px;}
.spec-table thead th{
  background:var(--bg-alt);font-size:13.5px;font-weight:700;color:var(--ink);
  text-align:left;padding:16px 20px;white-space:nowrap;
  border-bottom:1px solid var(--line);
}
.spec-table tbody td{
  padding:18px 20px;font-size:14.8px;color:var(--text-2);
  border-bottom:1px solid var(--line);vertical-align:top;
}
.spec-table tbody tr:last-child td{border-bottom:0;}
.spec-table tbody tr:hover{background:#fbfdfd;}
.spec-table td:first-child{font-weight:600;color:var(--ink);white-space:nowrap;}
.spec-table .num{font-variant-numeric:tabular-nums;font-weight:700;color:var(--ink-2);}

/* module list */
.module-row{
  display:grid;grid-template-columns:96px 1fr auto;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:22px 26px;box-shadow:var(--sh-sm);margin-bottom:16px;
  transition:box-shadow var(--t),border-color var(--t),transform var(--t);
}
.module-row:hover{box-shadow:var(--sh-md);border-color:rgba(47,211,192,.4);transform:translateY(-2px);}
.module-num{
  font-size:30px;font-weight:800;font-variant-numeric:tabular-nums;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  line-height:1;
}
.module-row h3{font-size:19px;font-weight:600;margin-bottom:6px;}
.module-row p{font-size:14.8px;color:var(--text-2);}
.module-badge{
  height:28px;padding:0 14px;display:inline-flex;align-items:center;
  border-radius:var(--r-pill);font-size:12px;font-weight:600;
  background:rgba(47,211,192,.12);color:#116b62;white-space:nowrap;
}
@media (max-width:767px){
  .module-row{grid-template-columns:64px 1fr;gap:16px;padding:20px;}
  .module-num{font-size:24px;}
  .module-badge{grid-column:2;justify-self:start;}
}

/* feature split (asym) */
.split-asym{display:grid;grid-template-columns:1fr 1.1fr;gap:28px;}
.split-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:30px;box-shadow:var(--sh-sm);
  display:flex;flex-direction:column;gap:16px;
}
.split-card.dark{
  background:var(--ink);border-color:transparent;color:#cfe6e6;
}
.split-card.dark h3{color:#fff;}
.split-card.dark p{color:rgba(207,230,230,.86);}
.split-card h3{font-size:22px;font-weight:700;}
.split-card p{font-size:15.4px;color:var(--text-2);}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--text-2);
  padding:10px 0;border-bottom:1px dashed var(--line);
}
.check-list li:last-child{border-bottom:0;}
.check-list i{color:var(--cyan);margin-top:5px;font-size:13px;}
.split-card.dark .check-list li{color:rgba(207,230,230,.9);border-bottom-color:rgba(255,255,255,.12);}

/* stats strip */
.stat-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;margin-top:32px;
}
.stat-cell{background:#fff;padding:26px 24px;}
.stat-cell .num{
  font-size:clamp(28px,3vw,38px);font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.stat-cell .num em{font-style:normal;font-size:16px;font-weight:600;color:var(--ink-2);margin-left:4px;}
.stat-cell .lbl{display:block;margin-top:8px;font-size:13.5px;color:var(--text-3);}
@media (max-width:767px){.stat-strip{grid-template-columns:1fr;}}

/* faq */
.faq-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:12px 32px;box-shadow:var(--sh-sm);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;background:none;border:0;text-align:left;
  padding:22px 0 22px 20px;position:relative;
  font-size:17px;font-weight:600;color:var(--ink);line-height:1.5;
  display:flex;justify-content:space-between;gap:18px;align-items:flex-start;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:24px;bottom:24px;width:3px;
  border-radius:3px;background:transparent;transition:background var(--t);
}
.faq-item.is-open .faq-q::before{background:var(--cyan);}
.faq-q i{color:var(--text-3);font-size:14px;margin-top:5px;transition:transform var(--t);}
.faq-item.is-open .faq-q i{transform:rotate(45deg);color:var(--orange);}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height 220ms ease;
}
.faq-a-inner{padding:0 0 24px 20px;font-size:15.4px;color:var(--text-2);}
@media (max-width:575px){.faq-wrap{padding:8px 18px;}.faq-q{font-size:15.6px;}}

/* cta band */
.cta-band{
  background:linear-gradient(90deg,var(--bg-alt),#f7fbfb);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px 0;
}
.cta-inner h2{font-size:clamp(22px,2.4vw,30px);font-weight:700;margin-bottom:10px;}
.cta-inner p{color:var(--text-2);font-size:15.6px;max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;flex:0 0 auto;}
@media (max-width:767px){
  .cta-inner{flex-direction:column;align-items:flex-start;padding:40px 0;}
}

/* footer */
.site-footer{background:var(--bg-alt);border-top:1px solid var(--line);padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;font-size:17px;font-weight:800;color:var(--ink);margin-bottom:16px;}
.site-footer p{font-size:14.4px;color:var(--text-2);line-height:1.8;}
.site-footer h4{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--ink);}
.footer-links li{margin-bottom:10px;}
.footer-links a{font-size:14.4px;color:var(--text-2);}
.footer-links a:hover{color:var(--cyan);}
.footer-contact li{display:flex;gap:10px;font-size:14.2px;color:var(--text-2);margin-bottom:12px;line-height:1.7;}
.footer-contact i{color:var(--cyan);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid var(--line);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.2px;color:var(--text-3);
}
@media (max-width:991px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575px){
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* responsive header */
@media (max-width:991px){
  .nav-search{max-width:200px;}
  .nav-plain{display:none;}
}
@media (max-width:767px){
  .brand-bar{height:64px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .channel-inner{height:auto;padding:6px 0;}
  .channel-link{height:44px;padding:0 12px;font-size:14px;}
  .channel-link::after{left:12px;right:12px;}
  .brand-sub{display:none;}
}

/* roulang page: category3 */
:root{
  --ink:#0B2A32;
  --teal:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --muted:#4E6B72;
  --weak:#86999E;
  --line:#DCE7EA;
  --danger:#B4432F;
  --brand-gradient:linear-gradient(135deg,#0B2A32 0%,#12615E 52%,#2FD3C0 100%);
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
h1,h2,h3,h4,p,ul,ol,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
button,input{font-family:inherit;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ---------- 基础排版 ---------- */
h1{font-size:46px;font-weight:800;line-height:1.25;color:var(--ink);}
h2{font-size:34px;font-weight:700;line-height:1.25;color:var(--ink);}
h3{font-size:23px;font-weight:600;line-height:1.35;color:var(--ink);}
h4{font-size:18px;font-weight:600;line-height:1.4;color:var(--ink);}
p{color:var(--muted);}
.section{padding:104px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.section-head{max-width:760px;margin-bottom:38px;}
.section-head p{margin-top:14px;font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--teal);
  letter-spacing:.02em;margin-bottom:14px;
}
.eyebrow::before{
  content:"";width:22px;height:3px;border-radius:2px;background:var(--brand-gradient);
}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border:0;border-radius:var(--r-pill);
  background:var(--brand-gradient);color:#fff;font-size:15px;font-weight:600;
  box-shadow:var(--sh-sm);cursor:pointer;
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);color:#fff;box-shadow:var(--sh-md);}
.btn-brand:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--r-pill);
  border:1.5px solid var(--ink);background:transparent;color:var(--ink);
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:rgba(11,42,50,.08);transform:translateY(-1px);color:var(--ink);}
.btn-sm-brand{height:42px;padding:0 20px;font-size:14px;}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.nav-toggle:focus-visible,
.channel-link:focus-visible,a:focus-visible,button:focus-visible{
  outline:3px solid rgba(47,211,192,.4);
  outline-offset:2px;
  border-radius:var(--r-pill);
}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;}
.brand-bar{
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .22s ease,border-color .22s ease;
}
.site-header.is-scrolled .brand-bar{
  box-shadow:var(--sh-md);
  border-bottom-color:var(--line);
}
.brand-inner{
  display:flex;align-items:center;gap:24px;
  height:72px;
  transition:height .22s ease;
}
.site-header.is-scrolled .brand-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:grid;place-items:center;
  background:var(--brand-gradient);
  color:#fff;font-size:17px;box-shadow:var(--sh-sm);
  transition:transform .22s ease;
}
.brand:hover .brand-mark{transform:rotate(-8deg);}
.brand-text{display:block;font-size:19px;font-weight:800;color:var(--ink);line-height:1.2;}
.brand-sub{display:block;font-size:12px;color:var(--weak);line-height:1.4;}
.nav-search{
  flex:1;max-width:340px;
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--bg);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--weak);font-size:14px;}
.nav-search input{
  flex:1;border:0;outline:none;background:transparent;
  font-size:14px;color:var(--text);
}
.nav-search input::placeholder{color:var(--weak);}
.nav-search:focus-within{border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,.18);}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:18px;}
.nav-plain{font-size:14px;color:var(--muted);transition:color .2s ease;}
.nav-plain:hover{color:var(--teal);}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-md);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;
}
.channel-bar{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.channel-inner{display:flex;gap:4px;overflow-x:auto;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  padding:14px 16px;
  font-size:15px;font-weight:500;color:var(--muted);
  white-space:nowrap;
  border-bottom:3px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.channel-link:hover{color:var(--ink);border-bottom-color:rgba(47,211,192,.65);}
.channel-link.is-active{color:var(--ink);font-weight:700;border-bottom-color:var(--orange);}

/* ---------- 移动端抽屉 ---------- */
.drawer{position:fixed;inset:0;z-index:1200;visibility:hidden;opacity:0;transition:opacity .24s ease,visibility .24s ease;}
.drawer.is-open{visibility:visible;opacity:1;}
.drawer-mask{position:absolute;inset:0;background:rgba(11,42,50,.45);}
.drawer-panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(84vw,360px);
  background:#fff;
  padding:22px 20px 30px;
  transform:translateX(100%);
  transition:transform .3s ease;
  overflow-y:auto;
  box-shadow:var(--sh-lg);
}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-head span{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-close{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid var(--line);
  background:#fff;color:var(--ink);cursor:pointer;
}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:20px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:center;
  min-height:52px;padding:8px 10px;text-align:center;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-md);
  font-size:14px;font-weight:600;color:var(--ink);
  transition:border-color .2s ease,background .2s ease;
}
.drawer-links a:hover{border-color:var(--aurora);background:#fff;}
.drawer-links a.is-active{background:var(--brand-gradient);color:#fff;border-color:transparent;}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:var(--bg);
  border-bottom:1px solid var(--line);
}
.page-hero-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;
  opacity:.9;
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(255,255,255,.97) 0%,rgba(255,255,255,.93) 46%,rgba(244,248,249,.74) 100%);
}
.page-hero-veil::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(115deg,rgba(11,42,50,.05) 0 1px,transparent 1px 24px);
}
.page-hero-inner{position:relative;padding:84px 24px 68px;}
.crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--weak);margin-bottom:20px;
}
.crumb a{color:var(--weak);transition:color .2s ease;}
.crumb a:hover{color:var(--teal);}
.crumb i{font-size:10px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(255,106,43,.12);color:#C64A16;
}
.page-hero h1{max-width:820px;margin:18px 0 16px;font-size:46px;}
.page-hero .lede{max-width:660px;font-size:17px;line-height:1.8;}
.hero-mini{
  display:flex;flex-wrap:wrap;gap:14px 40px;
  margin-top:32px;padding-top:26px;
  border-top:1px solid var(--line);
}
.hero-mini-item{display:flex;flex-direction:column;gap:2px;}
.hero-mini-item b{font-size:26px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.hero-mini-item span{font-size:13px;color:var(--weak);}

/* ---------- 数据徽章墙 ---------- */
.badge-wall{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:22px;
}
.stat-badge{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 24px;
  display:flex;flex-direction:column;gap:2px;
  box-shadow:var(--sh-sm);
  position:relative;
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-badge::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--brand-gradient);
  opacity:0;transition:opacity .22s ease;
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(47,211,192,.45);}
.stat-badge:hover::before{opacity:1;}
.stat-num{font-size:46px;font-weight:800;line-height:1.05;color:var(--ink);font-variant-numeric:tabular-nums;}
.stat-unit{font-size:13px;font-weight:600;color:var(--aurora);letter-spacing:.04em;}
.stat-label{font-size:14px;color:var(--muted);}
.stat-note{margin-top:10px;font-size:13px;color:var(--weak);}

/* ---------- 排行条 ---------- */
.rank-list{border-top:1px solid var(--line);}
.rank-row{
  display:grid;
  grid-template-columns:64px minmax(0,1fr) 240px 110px;
  align-items:center;
  gap:24px;
  padding:22px 24px;
  border-bottom:1px solid var(--line);
  transition:background .2s ease;
}
.rank-row:nth-child(odd){background:rgba(234,242,243,.6);}
.rank-row:hover{background:rgba(47,211,192,.1);}
.rank-no{
  font-size:20px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;
}
.rank-main h3{font-size:17px;font-weight:600;margin-bottom:4px;}
.rank-main p{font-size:13px;color:var(--weak);line-height:1.6;}
.rank-bar{
  height:8px;border-radius:var(--r-pill);
  background:rgba(11,42,50,.08);
  overflow:hidden;
}
.rank-bar span{
  display:block;height:100%;border-radius:var(--r-pill);
  background:var(--brand-gradient);
}
.rank-value{
  display:flex;align-items:baseline;gap:4px;justify-content:flex-end;
}
.rank-value b{font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums;}
.rank-value span{font-size:12px;color:var(--weak);}
.rank-foot{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  margin-top:26px;font-size:13px;color:var(--weak);
}

/* ---------- 对照表 ---------- */
.table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  box-shadow:var(--sh-sm);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;}
table.cmp{
  width:100%;min-width:860px;
  border-collapse:collapse;
  font-size:15px;
}
table.cmp thead th{
  background:var(--bg-alt);
  color:var(--ink);
  font-size:13px;font-weight:700;
  text-align:left;
  padding:16px 20px;
  white-space:nowrap;
  border-bottom:1px solid var(--line);
}
table.cmp tbody td{
  padding:18px 20px;
  color:var(--muted);
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.7;
}
table.cmp tbody tr:last-child td{border-bottom:0;}
table.cmp tbody tr:hover td{background:rgba(234,242,243,.5);}
table.cmp td strong{color:var(--ink);font-weight:600;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;white-space:nowrap;
}
.tag-ok{background:rgba(47,211,192,.14);color:#137A6F;}
.tag-part{background:rgba(255,106,43,.12);color:#C64A16;}
.tag-arch{background:rgba(134,153,158,.16);color:#5C6E73;}

/* ---------- 图文分布 ---------- */
.split{
  display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  gap:48px;
  align-items:center;
}
.split-media{
  border-radius:var(--r-xl);
  overflow:hidden;
  box-shadow:var(--sh-md);
  aspect-ratio:16/9;
  background:var(--bg-alt);
}
.split-media img{width:100%;height:100%;object-fit:cover;}
.split-body h2{margin-bottom:16px;}
.split-list{margin-top:26px;display:flex;flex-direction:column;gap:0;}
.split-list li{
  display:grid;grid-template-columns:44px minmax(0,1fr);
  gap:16px;
  padding:18px 0;
  border-top:1px solid var(--line);
}
.split-list li:last-child{border-bottom:1px solid var(--line);}
.split-list .idx{
  width:44px;height:44px;border-radius:var(--r-md);
  display:grid;place-items:center;
  background:rgba(47,211,192,.14);
  color:#137A6F;font-size:15px;font-weight:700;
}
.split-list h4{margin-bottom:4px;}
.split-list p{font-size:14px;line-height:1.7;}

/* ---------- 标记说明 ---------- */
.marks{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-xl);
  padding:12px 32px;
  box-shadow:var(--sh-sm);
}
.marks dl{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:0 40px;}
.mark-row{
  display:grid;grid-template-columns:120px minmax(0,1fr);
  gap:20px;align-items:baseline;
  padding:22px 0;
  border-bottom:1px solid var(--line);
}
.mark-row dt{font-size:15px;font-weight:600;color:var(--ink);}
.mark-row dd{font-size:14px;color:var(--muted);line-height:1.7;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--bg-alt);
  border-radius:var(--r-xl);
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  position:relative;
  overflow:hidden;
  border:1px solid var(--line);
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;
  background:var(--brand-gradient);
}
.cta-band h3{margin-bottom:8px;}
.cta-band p{font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-shrink:0;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
  margin-top:96px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.4fr;
  gap:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  font-size:18px;font-weight:700;color:#fff;
  margin-bottom:18px;
}
.footer-brand .brand-mark{width:38px;height:38px;border-radius:12px;font-size:15px;}
.site-footer p{font-size:14px;color:rgba(255,255,255,.66);line-height:1.8;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:18px;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14px;color:rgba(255,255,255,.7);transition:color .2s ease;}
.footer-links a:hover{color:var(--aurora);}
.footer-contact li{
  display:flex;gap:10px;
  font-size:14px;color:rgba(255,255,255,.7);
  margin-bottom:14px;line-height:1.7;
}
.footer-contact i{color:var(--aurora);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  h1{font-size:40px;}
  .page-hero h1{font-size:40px;}
  h2{font-size:30px;}
  .badge-wall{grid-template-columns:repeat(3,1fr);}
  .rank-row{grid-template-columns:52px minmax(0,1fr) 180px 96px;gap:18px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px;}
}
@media (max-width:991.98px){
  .nav-search{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-actions{gap:12px;}
  .brand-bar{border-bottom-color:var(--line);}
  .channel-bar{
    -webkit-mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
    mask-image:linear-gradient(90deg,transparent 0,#000 24px,#000 calc(100% - 24px),transparent 100%);
  }
  .section{padding:80px 0;}
  .split{grid-template-columns:1fr;gap:32px;}
  .marks dl{grid-template-columns:1fr;gap:0;}
  .badge-wall{grid-template-columns:repeat(2,1fr);}
  .rank-row{grid-template-columns:52px minmax(0,1fr) 150px 90px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 32px;}
}
@media (max-width:767.98px){
  body{font-size:16px;line-height:1.75;}
  .container{padding-left:16px;padding-right:16px;}
  h1{font-size:31px;}
  .page-hero h1{font-size:31px;}
  h2{font-size:26px;}
  h3{font-size:20px;}
  .section{padding:60px 0;}
  .page-hero-inner{padding:56px 16px 48px;}
  .hero-mini{gap:16px 28px;margin-top:24px;padding-top:20px;}
  .hero-mini-item b{font-size:22px;}
  .badge-wall{grid-template-columns:1fr;gap:16px;}
  .stat-num{font-size:38px;}
  .rank-row{
    grid-template-columns:1fr;
    gap:12px;
    padding:20px 16px;
  }
  .rank-no{font-size:16px;color:var(--teal);}
  .rank-value{justify-content:flex-start;}
  .rank-bar{height:7px;}
  .rank-foot{flex-direction:column;align-items:flex-start;}
  .split-list li{grid-template-columns:38px minmax(0,1fr);gap:14px;}
  .split-list .idx{width:38px;height:38px;font-size:14px;}
  .marks{padding:8px 20px;}
  .mark-row{grid-template-columns:1fr;gap:6px;padding:18px 0;}
  .cta-band{padding:30px 22px;gap:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{flex:1;}
  .footer-grid{grid-template-columns:1fr;gap:34px;}
  .site-footer{padding:56px 0 24px;margin-top:64px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
  .brand-text{font-size:17px;}
  .brand-sub{display:none;}
  .drawer-links{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --ink:#0B2A32;
  --ink-2:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --text-2:#4E6B72;
  --text-3:#86999E;
  --line:#DCE7EA;
  --brand-grad:linear-gradient(135deg,#0B2A32 0%,#12615E 52%,#2FD3C0 100%);
  --r-lg:24px;
  --r-md:18px;
  --r-sm:14px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --container:1200px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{list-style:none;margin:0;padding:0;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}

/* ---------- 顶栏 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1035;
  background:#fff;
  border-bottom:1px solid transparent;
  transition:box-shadow .24s ease,border-color .24s ease;
}
.site-header.is-scrolled{
  box-shadow:var(--sh-md);
  border-bottom-color:var(--line);
}
.brand-bar{background:#fff;}
.brand-inner{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  transition:height .24s ease;
}
.site-header.is-scrolled .brand-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;
  border-radius:14px;
  background-image:var(--brand-grad);
  color:#fff;
  display:grid;
  place-items:center;
  font-size:17px;
  box-shadow:var(--sh-sm);
  flex:0 0 auto;
}
.brand-text{
  display:block;
  font-size:19px;
  font-weight:800;
  color:var(--ink);
  line-height:1.2;
  letter-spacing:0;
}
.brand-sub{
  display:block;
  font-size:12px;
  color:var(--text-3);
  line-height:1.35;
}
.nav-search{
  flex:1 1 auto;
  max-width:340px;
  margin:0 auto;
  position:relative;
  display:flex;
  align-items:center;
}
.nav-search i{
  position:absolute;
  left:16px;
  font-size:14px;
  color:var(--text-3);
  pointer-events:none;
}
.nav-search input{
  width:100%;
  height:44px;
  padding:0 16px 0 42px;
  border:1px solid var(--line);
  border-radius:999px;
  background:var(--bg);
  font-size:15px;
  color:var(--text);
  outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search input:focus{
  background:#fff;
  border-color:var(--aurora);
  box-shadow:0 0 0 3px rgba(47,211,192,.18);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:14px;
  flex:0 0 auto;
}
.nav-plain{
  font-size:15px;
  color:var(--text-2);
  transition:color .2s;
}
.nav-plain:hover{color:var(--ink-2);}
.btn-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border:0;
  border-radius:999px;
  background-image:var(--brand-grad);
  color:#fff;
  font-size:15.5px;
  font-weight:600;
  box-shadow:var(--sh-md);
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
  cursor:pointer;
}
.btn-brand:hover{
  filter:brightness(1.06);
  transform:translateY(-1px);
  color:#fff;
}
.btn-brand:active{transform:translateY(0);}
.btn-brand:focus-visible{
  outline:3px solid rgba(47,211,192,.4);
  outline-offset:2px;
}
.btn-sm-brand{
  height:40px;
  padding:0 20px;
  font-size:14.5px;
  box-shadow:var(--sh-sm);
}
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 26px;
  border:1.5px solid var(--ink);
  border-radius:999px;
  background:transparent;
  color:var(--ink);
  font-size:15.5px;
  font-weight:600;
  transition:background .22s,transform .22s,border-color .22s;
  cursor:pointer;
}
.btn-ghost:hover{
  background:rgba(11,42,50,.06);
  transform:translateY(-1px);
}
.btn-ghost:focus-visible{
  outline:3px solid rgba(47,211,192,.4);
  outline-offset:2px;
}
.nav-toggle{
  display:none;
  width:42px;height:42px;
  border-radius:14px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:16px;
  cursor:pointer;
  transition:border-color .2s,color .2s;
}
.nav-toggle:hover{border-color:var(--aurora);color:var(--ink-2);}
.channel-bar{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.channel-inner{
  display:flex;
  align-items:center;
  gap:6px;
  height:52px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:52px;
  padding:0 14px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  white-space:nowrap;
  transition:color .2s;
}
.channel-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:0;
  height:3px;
  border-radius:3px;
  background:transparent;
  transition:background .2s;
}
.channel-link:hover{color:var(--ink-2);}
.channel-link:hover::after{background:rgba(47,211,192,.5);}
.channel-link.is-active{color:var(--ink);font-weight:700;}
.channel-link.is-active::after{background:var(--orange);}

/* ---------- 移动抽屉 ---------- */
.channel-drawer{width:320px;}
.channel-drawer .offcanvas-header{border-bottom:1px solid var(--line);}
.channel-drawer .offcanvas-title{font-size:17px;font-weight:700;color:var(--ink);}
.drawer-grid{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:12px;
}
.drawer-link{
  display:flex;
  align-items:center;
  justify-content:center;
  min-height:52px;
  padding:10px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  text-align:center;
  transition:.2s;
}
.drawer-link:hover{border-color:var(--aurora);color:var(--ink);}
.drawer-link.is-active{
  border-color:transparent;
  background-image:var(--brand-grad);
  color:#fff;
}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background:#fff;
  padding:60px 0 68px;
  border-bottom:1px solid var(--line);
}
.page-hero .hero-bg{
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.13;
  pointer-events:none;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-140px;top:-140px;
  width:420px;height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(47,211,192,.22),rgba(255,106,43,.10) 60%,transparent 72%);
  pointer-events:none;
}
.page-hero-inner{position:relative;z-index:2;}
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--text-3);
  margin-bottom:20px;
}
.crumb a{transition:color .2s;}
.crumb a:hover{color:var(--ink-2);}
.crumb i{font-size:9px;color:var(--text-3);}
.crumb span{color:var(--text-2);}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 14px;
  border-radius:999px;
  background:rgba(255,106,43,.12);
  color:#C24413;
  font-size:12.5px;
  font-weight:600;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:48px;
  font-weight:800;
  line-height:1.25;
  color:var(--ink);
  letter-spacing:0;
  max-width:840px;
}
.hero-lead{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
}
.hero-meta{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  font-size:14px;
  color:var(--text-3);
}
.hero-meta span{display:inline-flex;align-items:center;gap:8px;}
.hero-meta i{color:var(--aurora);}

/* ---------- 数据带 ---------- */
.stat-band{
  background:#fff;
  border-bottom:1px solid var(--line);
}
.stat-grid{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
}
.stat-cell{
  padding:26px 24px;
  border-right:1px solid var(--line);
}
.stat-cell:last-child{border-right:0;}
.stat-num{
  font-size:40px;
  font-weight:800;
  color:var(--ink);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat-num small{
  font-size:15px;
  font-weight:600;
  color:var(--orange);
  margin-left:4px;
}
.stat-label{
  margin-top:6px;
  font-size:14px;
  color:var(--text-3);
}

/* ---------- 双栏答疑 ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:280px minmax(0,1fr);
  gap:56px;
  padding:72px 0 88px;
}
.toc-inner{
  position:sticky;
  top:132px;
}
.toc-title{
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--text-3);
  margin-bottom:14px;
  padding-left:14px;
}
.toc-list{border-left:1px solid var(--line);}
.toc-link{
  display:block;
  padding:12px 14px;
  border-left:3px solid transparent;
  margin-left:-1px;
  font-size:15px;
  color:var(--text-2);
  transition:.2s;
}
.toc-link:hover{
  color:var(--ink);
  border-left-color:rgba(47,211,192,.6);
  background:rgba(47,211,192,.07);
}
.toc-link.is-active{
  color:var(--ink);
  font-weight:700;
  border-left-color:var(--orange);
  background:rgba(255,106,43,.07);
}
.toc-help{
  margin-top:26px;
  padding:20px;
  border-radius:var(--r-md);
  background:#fff;
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
}
.toc-help h3{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:8px;
}
.toc-help p{
  font-size:13.5px;
  line-height:1.75;
  color:var(--text-2);
  margin-bottom:14px;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14px;
  font-weight:600;
  color:var(--ink-2);
  transition:.2s;
}
.link-arrow i{font-size:11px;color:var(--aurora);transition:transform .2s;}
.link-arrow:hover{color:var(--orange);}
.link-arrow:hover i{transform:translateX(3px);}

.faq-main{min-width:0;}
.faq-group{margin-bottom:56px;scroll-margin-top:140px;}
.faq-group:last-child{margin-bottom:0;}
.faq-group-title{
  display:flex;
  align-items:center;
  gap:14px;
  font-size:24px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:18px;
}
.group-index{
  font-size:13px;
  font-weight:700;
  color:#C24413;
  background:rgba(255,106,43,.12);
  padding:3px 11px;
  border-radius:999px;
  letter-spacing:.04em;
  flex:0 0 auto;
}
.qa-item{border-bottom:1px solid var(--line);}
.qa-item:first-of-type{border-top:1px solid var(--line);}
.qa-question{
  width:100%;
  display:flex;
  align-items:flex-start;
  justify-content:space-between;
  gap:22px;
  padding:20px 4px;
  border:0;
  background:none;
  text-align:left;
  font-size:17px;
  font-weight:600;
  color:var(--text);
  line-height:1.6;
  cursor:pointer;
  transition:color .2s;
}
.qa-question:hover{color:var(--ink-2);}
.qa-question:focus-visible{
  outline:3px solid rgba(47,211,192,.4);
  outline-offset:2px;
  border-radius:8px;
}
.qa-question i{
  flex:0 0 auto;
  margin-top:6px;
  font-size:14px;
  color:var(--aurora);
  transition:transform .22s,color .22s;
}
.qa-question:not(.collapsed) i{
  transform:rotate(45deg);
  color:var(--orange);
}
.qa-answer{
  padding:0 4px 22px;
  max-width:780px;
  font-size:16px;
  line-height:1.85;
  color:var(--text-2);
}
.qa-answer strong{color:var(--ink);font-weight:600;}

/* ---------- 流程板块 ---------- */
.flow-band{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
  padding:84px 0;
}
.flow-grid{
  display:grid;
  grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);
  gap:56px;
  align-items:center;
}
.flow-figure{
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-md);
  background:#E3EEF0;
  aspect-ratio:4 / 3;
}
.flow-figure img{
  width:100%;
  height:100%;
  object-fit:cover;
}
.section-label{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:700;
  letter-spacing:.08em;
  color:var(--ink-2);
  margin-bottom:14px;
}
.section-label::before{
  content:"";
  width:26px;height:3px;
  border-radius:3px;
  background-image:var(--brand-grad);
}
.flow-copy h2{
  font-size:34px;
  font-weight:700;
  line-height:1.3;
  color:var(--ink);
  margin-bottom:16px;
}
.flow-copy > p{
  font-size:16.5px;
  line-height:1.85;
  color:var(--text-2);
  max-width:560px;
}
.flow-steps{margin-top:30px;}
.flow-step{
  display:flex;
  gap:18px;
  padding:20px 0;
  border-top:1px solid rgba(11,42,50,.12);
}
.flow-step:last-child{border-bottom:1px solid rgba(11,42,50,.12);}
.step-no{
  flex:0 0 auto;
  width:36px;height:36px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--ink-2);
  font-size:14px;
  font-weight:800;
  display:grid;
  place-items:center;
  font-variant-numeric:tabular-nums;
}
.flow-step h3{
  font-size:17px;
  font-weight:600;
  color:var(--ink);
  margin-bottom:6px;
}
.flow-step p{
  font-size:15px;
  line-height:1.8;
  color:var(--text-2);
}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;
  background:#fff;
  padding:64px 0;
  border-top:1px solid var(--line);
}
.cta-band::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:4px;
  background-image:var(--brand-grad);
}
.cta-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-copy h2{
  font-size:28px;
  font-weight:700;
  color:var(--ink);
  line-height:1.35;
  margin-bottom:10px;
}
.cta-copy p{
  font-size:16px;
  color:var(--text-2);
  max-width:620px;
  line-height:1.8;
}
.cta-actions{
  display:flex;
  gap:14px;
  flex-wrap:wrap;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  padding:64px 0 24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  font-size:18px;
  font-weight:800;
  color:var(--ink);
  margin-bottom:14px;
}
.footer-brand .brand-mark{width:34px;height:34px;font-size:14px;border-radius:12px;}
.site-footer p{
  font-size:14.5px;
  line-height:1.8;
  color:var(--text-2);
}
.site-footer h4{
  font-size:15px;
  font-weight:700;
  color:var(--ink);
  margin-bottom:16px;
}
.footer-links li{margin-bottom:10px;}
.footer-links a{
  font-size:14.5px;
  color:var(--text-2);
  transition:color .2s;
}
.footer-links a:hover{color:var(--aurora);}
.footer-contact li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  line-height:1.75;
  color:var(--text-2);
  margin-bottom:12px;
}
.footer-contact i{
  color:var(--aurora);
  margin-top:5px;
  flex:0 0 auto;
}
.footer-bottom{
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  padding-top:20px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--text-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .page-hero h1{font-size:42px;}
  .faq-layout{gap:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:991.98px){
  .nav-search{display:none;}
  .nav-toggle{display:inline-grid;place-items:center;}
  .page-hero{padding:48px 0 56px;}
  .page-hero h1{font-size:36px;}
  .hero-lead{font-size:16px;}
  .page-hero::after{width:300px;height:300px;right:-120px;top:-120px;}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-cell{border-bottom:1px solid var(--line);}
  .stat-cell:nth-child(2n){border-right:0;}
  .stat-cell:nth-last-child(-n+2){border-bottom:0;}
  .faq-layout{
    grid-template-columns:1fr;
    gap:30px;
    padding:48px 0 64px;
  }
  .toc-inner{position:static;top:auto;}
  .toc-title{padding-left:0;}
  .toc-list{
    display:flex;
    gap:8px;
    overflow-x:auto;
    border-left:0;
    border-bottom:1px solid var(--line);
    padding-bottom:2px;
    scrollbar-width:none;
  }
  .toc-list::-webkit-scrollbar{display:none;}
  .toc-link{
    border-left:0;
    border-bottom:3px solid transparent;
    margin-left:0;
    padding:10px 12px;
    white-space:nowrap;
  }
  .toc-link:hover{border-left-color:transparent;border-bottom-color:rgba(47,211,192,.6);}
  .toc-link.is-active{border-left-color:transparent;border-bottom-color:var(--orange);}
  .toc-help{display:none;}
  .flow-grid{grid-template-columns:1fr;gap:34px;}
  .flow-band{padding:64px 0;}
  .flow-copy h2{font-size:28px;}
  .faq-group-title{font-size:21px;}
  .cta-copy h2{font-size:24px;}
}
@media (max-width:767.98px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand-inner{height:64px;gap:12px;}
  .site-header.is-scrolled .brand-inner{height:58px;}
  .brand-text{font-size:17px;}
  .brand-sub{display:none;}
  .channel-inner{height:48px;}
  .channel-link{height:48px;font-size:14.5px;padding:0 12px;}
  .channel-link::after{left:12px;right:12px;}
  .nav-plain{display:none;}
  .page-hero{padding:36px 0 44px;}
  .page-hero h1{font-size:30px;}
  .hero-meta{font-size:13px;gap:8px 18px;}
  .stat-cell{padding:20px 16px;}
  .stat-num{font-size:32px;}
  .stat-label{font-size:13px;}
  .faq-layout{padding:36px 0 52px;}
  .qa-question{font-size:16px;padding:17px 2px;gap:16px;}
  .qa-answer{font-size:15.5px;padding-bottom:18px;}
  .faq-group{margin-bottom:42px;}
  .flow-band{padding:52px 0;}
  .flow-copy h2{font-size:24px;}
  .cta-band{padding:48px 0;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,
  .cta-actions .btn-ghost{flex:1 1 auto;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:32px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519.98px){
  .page-hero h1{font-size:27px;}
  .stat-grid{grid-template-columns:1fr;}
  .stat-cell{border-right:0;border-bottom:1px solid var(--line);}
  .stat-cell:nth-last-child(-n+2){border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .drawer-grid{grid-template-columns:1fr;}
  .btn-brand,.btn-ghost{width:100%;}
  .nav-actions .btn-sm-brand{display:none;}
}

/* roulang page: category5 */
:root{
  --ink:#0B2A32;
  --ink-2:#12615E;
  --aurora:#2FD3C0;
  --orange:#FF6A2B;
  --bg:#F4F8F9;
  --bg-alt:#EAF2F3;
  --card:#FFFFFF;
  --text:#10262C;
  --text-2:#4E6B72;
  --text-3:#86999E;
  --line:#DCE7EA;
  --danger:#B4483C;
  --grad:linear-gradient(135deg,#0B2A32 0%,#12615E 52%,#2FD3C0 100%);
  --grad-line:linear-gradient(90deg,#0B2A32 0%,#12615E 48%,#2FD3C0 100%);
  --r-xl:24px;
  --r-md:18px;
  --r-sm:14px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(11,42,50,.06);
  --sh-md:0 10px 28px rgba(11,42,50,.08);
  --sh-lg:0 22px 52px rgba(11,42,50,.12);
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:220ms ease;
}
*,*::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:16.5px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--ink-2);text-decoration:none;transition:color var(--ease);}
a:hover{color:var(--orange);}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:0;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(47,211,192,.4);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (min-width:1400px){.container{max-width:1320px;}}
.section{padding:104px 0;}
.section-alt{background:var(--bg-alt);}
.section-white{background:#fff;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:34px;margin-bottom:14px;}
.section-head p{color:var(--text-2);font-size:16.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;font-weight:600;letter-spacing:.08em;
  color:var(--ink-2);text-transform:uppercase;
  margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;border-radius:2px;background:var(--grad-line);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:var(--sh-md);}
.site-header.is-stuck::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:1px;background:var(--line);
}
.brand-bar{background:#fff;transition:height var(--ease);}
.brand-inner{
  display:flex;align-items:center;gap:20px;
  height:72px;transition:height var(--ease);
}
.site-header.is-stuck .brand-inner{height:60px;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:18px;
  box-shadow:var(--sh-sm);flex:0 0 auto;
}
.brand-text{
  display:block;font-size:19px;font-weight:800;color:var(--ink);
  line-height:1.2;letter-spacing:0;
}
.brand-sub{
  display:block;font-size:11.5px;color:var(--text-3);letter-spacing:.06em;
}
.nav-search{
  flex:1 1 auto;max-width:420px;margin-left:auto;
  display:flex;align-items:center;gap:10px;
  height:46px;padding:0 18px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-pill);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search i{color:var(--text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;border:0;background:transparent;outline:none;
  font-size:14.5px;color:var(--text);
}
.nav-search input::placeholder{color:var(--text-3);}
.nav-search:focus-within{
  border-color:var(--aurora);background:#fff;
  box-shadow:0 0 0 3px rgba(47,211,192,.18);
}
.nav-actions{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.nav-plain{font-size:14.5px;color:var(--text-2);font-weight:500;}
.nav-plain:hover{color:var(--ink-2);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;align-items:center;justify-content:center;
}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15.5px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:all var(--ease);text-align:center;
}
.btn-brand{
  background:var(--grad);color:#fff;box-shadow:var(--sh-sm);
}
.btn-brand:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-brand:active{transform:translateY(0);filter:brightness(.98);}
.btn-ghost{
  background:transparent;border-color:var(--ink);color:var(--ink);
}
.btn-ghost:hover{background:rgba(11,42,50,.08);color:var(--ink);transform:translateY(-1px);}
.btn-ghost-light{
  background:transparent;border-color:var(--line);color:var(--ink);
}
.btn-ghost-light:hover{background:rgba(47,211,192,.1);border-color:var(--aurora);color:var(--ink);}
.btn-sm-brand{height:42px;padding:0 20px;font-size:14.5px;}

/* 频道行 */
.channel-bar{
  background:var(--bg-alt);
  border-top:1px solid var(--line);
  position:relative;
}
.channel-inner{
  display:flex;align-items:center;gap:6px;
  height:54px;overflow-x:auto;scrollbar-width:none;
}
.channel-inner::-webkit-scrollbar{display:none;}
.channel-link{
  position:relative;flex:0 0 auto;
  padding:0 16px;height:54px;
  display:inline-flex;align-items:center;
  font-size:15px;font-weight:600;color:var(--text-2);
}
.channel-link::after{
  content:"";position:absolute;left:16px;right:16px;bottom:0;height:3px;
  border-radius:3px 3px 0 0;background:transparent;transition:background var(--ease);
}
.channel-link:hover{color:var(--ink);}
.channel-link:hover::after{background:var(--aurora);}
.channel-link.is-active{color:var(--ink);}
.channel-link.is-active::after{background:var(--orange);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,42,50,.42);
  opacity:0;visibility:hidden;transition:all var(--ease);z-index:1040;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(88vw,380px);
  background:#fff;z-index:1050;padding:26px 22px;
  transform:translateX(102%);transition:transform 260ms ease;
  overflow-y:auto;box-shadow:var(--sh-lg);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px;}
.drawer-title{font-size:16px;font-weight:700;color:var(--ink);}
.drawer-close{
  width:40px;height:40px;border-radius:var(--r-sm);border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:15px;
}
.drawer-links{display:grid;grid-template-columns:1fr 1fr;gap:12px;}
.drawer-links a{
  display:flex;align-items:center;justify-content:center;
  min-height:56px;border-radius:var(--r-sm);background:var(--bg);
  border:1px solid var(--line);font-size:14.5px;font-weight:600;color:var(--ink);
  text-align:center;padding:8px;
}
.drawer-links a.is-active{background:rgba(255,106,43,.1);border-color:rgba(255,106,43,.4);color:var(--ink);}
.drawer-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px;}

/* ---------- 频道头 ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 68px;
  background:linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
  border-bottom:1px solid var(--line);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.12;
}
.page-hero::after{
  content:"";position:absolute;width:560px;height:560px;right:-190px;top:-240px;
  border-radius:50%;pointer-events:none;
  background:radial-gradient(circle,rgba(47,211,192,.22) 0%,rgba(255,106,43,.1) 52%,rgba(255,255,255,0) 72%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);margin-bottom:20px;
}
.breadcrumb-line a{color:var(--text-3);}
.breadcrumb-line a:hover{color:var(--ink-2);}
.breadcrumb-line i{font-size:10px;color:#B3C3C7;}
.page-hero h1{
  font-size:48px;font-weight:800;max-width:860px;
}
.page-hero .hero-lead{
  margin-top:18px;max-width:720px;font-size:17px;color:var(--text-2);
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.tag{
  display:inline-flex;align-items:center;gap:7px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;
  background:rgba(47,211,192,.14);color:#12756C;
}
.tag.is-orange{background:rgba(255,106,43,.14);color:#C24A16;}
.tag.is-ink{background:rgba(11,42,50,.08);color:var(--ink);}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:36px;
  padding-top:28px;border-top:1px solid var(--line);
}
.hero-stat-num{
  font-size:38px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.1;
}
.hero-stat-num span{font-size:15px;font-weight:600;color:var(--text-3);margin-left:4px;}
.hero-stat-label{font-size:13.5px;color:var(--text-2);margin-top:4px;}

/* ---------- 公告横幅 ---------- */
.notice-card{
  position:relative;overflow:hidden;
  display:grid;grid-template-columns:minmax(0,1.3fr) minmax(0,1fr);
  background:#fff;border-radius:var(--r-xl);
  box-shadow:var(--sh-md);border:1px solid var(--line);
}
.notice-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad-line);
  z-index:3;
}
.notice-body{padding:40px 40px 38px;}
.notice-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-bottom:18px;}
.notice-time{font-size:13px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.notice-body h2{font-size:28px;margin-bottom:14px;}
.notice-body p{color:var(--text-2);font-size:16px;}
.notice-list{margin-top:20px;display:flex;flex-direction:column;gap:10px;}
.notice-list li{display:flex;gap:10px;font-size:15px;color:var(--text-2);}
.notice-list i{color:var(--ink-2);font-size:13px;margin-top:6px;}
.notice-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.notice-media{
  position:relative;min-height:320px;background:var(--bg-alt);
}
.notice-media img{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;
}
.notice-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.18) 42%,rgba(11,42,50,.18) 100%);
}

/* ---------- 要点条 ---------- */
.points-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.point-item{
  padding:30px 26px;border-right:1px solid var(--line);
  transition:background var(--ease);
}
.point-item:last-child{border-right:0;}
.point-item:hover{background:#fff;}
.point-icon{
  width:40px;height:40px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(47,211,192,.16);color:var(--ink-2);font-size:15px;margin-bottom:16px;
}
.point-item h3{font-size:17px;margin-bottom:8px;}
.point-item p{font-size:14.5px;color:var(--text-2);}

/* ---------- 时间线 ---------- */
.timeline{display:flex;flex-direction:column;gap:14px;}
.tl-item{
  display:grid;grid-template-columns:132px minmax(0,1fr);gap:28px;
  padding:26px 30px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.tl-item:nth-child(even){background:var(--bg-alt);border-color:transparent;box-shadow:none;}
.tl-item:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:rgba(47,211,192,.45);}
.tl-date{
  display:flex;flex-direction:column;gap:2px;
  padding-right:22px;border-right:1px solid var(--line);
}
.tl-date .tl-day{
  font-size:26px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.15;
}
.tl-date .tl-year{font-size:12.5px;color:var(--text-3);font-variant-numeric:tabular-nums;}
.tl-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px;}
.tl-body h3{font-size:19px;margin-bottom:8px;}
.tl-body p{font-size:15px;color:var(--text-2);}
.tl-foot{display:flex;flex-wrap:wrap;gap:18px;margin-top:14px;}
.tl-foot span{font-size:13px;color:var(--text-3);display:inline-flex;align-items:center;gap:7px;}
.tl-foot i{font-size:12px;color:#9FB3B8;}
.status{
  display:inline-flex;align-items:center;gap:7px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;
  background:rgba(47,211,192,.16);color:#12756C;
}
.status.is-done{background:rgba(11,42,50,.08);color:var(--text-2);}

/* ---------- 订阅 ---------- */
.subscribe-wrap{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:56px;align-items:center;
}
.subscribe-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  padding:34px 34px 30px;box-shadow:var(--sh-md);
}
.field{margin-bottom:18px;}
.field label{display:block;font-size:13px;font-weight:600;color:var(--text-2);margin-bottom:8px;}
.field input,.field select{
  width:100%;height:46px;padding:0 16px;
  border:1px solid var(--line);border-radius:var(--r-sm);
  background:#fff;font-size:15px;color:var(--text);outline:none;
  transition:border-color var(--ease),box-shadow var(--ease);
  font-family:inherit;
}
.field input::placeholder{color:var(--text-3);}
.field input:focus,.field select:focus{
  border-color:var(--aurora);box-shadow:0 0 0 3px rgba(47,211,192,.18);
}
.form-hint{font-size:13px;color:var(--text-3);margin-top:14px;}
.checkline{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:20px;}
.checkline label{
  display:inline-flex;align-items:center;gap:8px;
  height:34px;padding:0 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  font-size:13.5px;color:var(--text-2);cursor:pointer;transition:all var(--ease);
}
.checkline label:hover{border-color:var(--aurora);color:var(--ink);}
.checkline input{accent-color:#12615E;}

/* ---------- FAQ ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);gap:56px;align-items:start;}
.faq-aside{position:sticky;top:120px;}
.faq-aside h2{font-size:32px;margin-bottom:16px;}
.faq-aside p{color:var(--text-2);font-size:16px;}
.faq-aside .aside-contact{
  margin-top:24px;padding-top:22px;border-top:1px solid var(--line);
  font-size:14px;color:var(--text-2);
}
.accordion-item{
  background:transparent;border:0;border-bottom:1px solid var(--line);
}
.accordion-item:first-of-type{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent;box-shadow:none;
  padding:24px 8px 24px 0;
  font-size:17px;font-weight:600;color:var(--ink);
  border-radius:0;
}
.accordion-button:not(.collapsed){
  background:transparent;color:var(--ink);box-shadow:none;
}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button:focus-visible{outline:3px solid rgba(47,211,192,.4);outline-offset:-3px;}
.accordion-button::after{
  width:16px;height:16px;background-size:16px;
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2312615E'%3E%3Cpath d='M1.9 4.7 8 10.8l6.1-6.1-1.3-1.3L8 8.2 3.2 3.4z'/%3E%3C/svg%3E");
}
.accordion-button:not(.collapsed)::after{
  background-image:url("data:image/svg+xml;charset=utf-8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23FF6A2B'%3E%3Cpath d='M1.9 4.7 8 10.8l6.1-6.1-1.3-1.3L8 8.2 3.2 3.4z'/%3E%3C/svg%3E");
  transform:rotate(180deg);
}
.accordion-body{
  padding:0 60px 26px 18px;
  font-size:15.5px;color:var(--text-2);line-height:1.8;
  border-left:3px solid transparent;
  transition:border-color var(--ease);
}
.accordion-collapse.show .accordion-body{border-left-color:var(--aurora);}

/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;background:var(--bg-alt);
  padding:52px 0;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;background:var(--grad-line);
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{font-size:28px;margin-bottom:8px;}
.cta-inner p{color:var(--text-2);font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#C6D8DC;padding:72px 0 28px;}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:44px;
  padding-bottom:44px;border-bottom:1px solid rgba(220,231,234,.16);
}
.footer-brand{
  display:flex;align-items:center;gap:12px;
  font-size:19px;font-weight:800;color:#fff;margin-bottom:18px;
}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:13px;}
.site-footer p{font-size:14.5px;line-height:1.8;color:#9FB6BB;}
.site-footer h4{font-size:15.5px;color:#fff;margin-bottom:18px;font-weight:700;}
.footer-links li{margin-bottom:12px;}
.footer-links a{font-size:14.5px;color:#9FB6BB;}
.footer-links a:hover{color:var(--aurora);}
.footer-contact li{
  display:flex;gap:10px;font-size:14.5px;color:#9FB6BB;margin-bottom:14px;line-height:1.7;
}
.footer-contact i{color:var(--aurora);font-size:13px;margin-top:6px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding-top:26px;font-size:13.5px;color:#7F979C;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:42px;}
  .points-row{grid-template-columns:repeat(2,minmax(0,1fr));}
  .point-item:nth-child(2n){border-right:0;}
  .point-item:nth-child(-n+2){border-bottom:1px solid var(--line);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:991px){
  .section{padding:76px 0;}
  .nav-search{display:none;}
  .nav-plain{display:none;}
  .nav-toggle{display:inline-flex;}
  .channel-bar{display:none;}
  .brand-inner{height:64px;}
  .brand-text{font-size:17.5px;}
  .page-hero{padding:52px 0 50px;}
  .page-hero h1{font-size:36px;}
  .notice-card{grid-template-columns:1fr;}
  .notice-media{min-height:220px;order:-1;}
  .notice-media::after{background:linear-gradient(180deg,rgba(255,255,255,.1) 0%,rgba(255,255,255,.92) 100%);}
  .notice-body{padding:30px 26px;}
  .subscribe-wrap{grid-template-columns:1fr;gap:32px;}
  .faq-layout{grid-template-columns:1fr;gap:34px;}
  .faq-aside{position:static;}
  .tl-item{grid-template-columns:1fr;gap:16px;padding:22px 22px;}
  .tl-date{flex-direction:row;align-items:baseline;gap:10px;padding-right:0;padding-bottom:12px;border-right:0;border-bottom:1px solid var(--line);}
  .tl-date .tl-day{font-size:22px;}
}
@media (max-width:767px){
  .section{padding:60px 0;}
  .section-head h2{font-size:26px;}
  .page-hero h1{font-size:30px;}
  .page-hero .hero-lead{font-size:15.5px;}
  .hero-stats{gap:24px;margin-top:28px;}
  .hero-stat-num{font-size:30px;}
  .points-row{grid-template-columns:1fr;}
  .point-item{border-right:0;border-bottom:1px solid var(--line);}
  .point-item:last-child{border-bottom:0;}
  .notice-body h2{font-size:22px;}
  .cta-inner h2{font-size:22px;}
  .btn{width:100%;}
  .cta-actions{width:100%;flex-direction:column;}
  .notice-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .accordion-button{font-size:15.5px;padding:20px 0;}
  .accordion-body{padding:0 20px 22px 16px;font-size:15px;}
}
@media (max-width:575px){
  .container{padding:0 16px;}
  .brand-sub{display:none;}
}