/* roulang page: index */
:root{
  --brand-600:#1554A6;
  --brand-800:#0E3F7E;
  --brand-100:#E8F1FB;
  --brand-line:#C9DEF6;
  --accent-500:#F2792B;
  --accent-700:#D6621A;
  --accent-100:#FFF0E3;
  --ok-500:#12A594;
  --ok-100:#E3F6F2;
  --ink-900:#0F1B2D;
  --ink-700:#33445A;
  --ink-500:#64748B;
  --ink-300:#9AA9BB;
  --line:#E4EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --sh-1:0 2px 8px rgba(15,27,45,.05);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 16px 40px rgba(15,27,45,.12);
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --bs-primary:#1554A6;
  --bs-primary-rgb:21,84,166;
  --bs-body-bg:#F6F9FC;
  --bs-body-color:#33445A;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:10px;
  --bs-link-color:#1554A6;
  --bs-link-hover-color:#0E3F7E;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4,h5{color:var(--ink-900);font-weight:700;margin:0;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(21,84,166,.35);outline-offset:2px}
.num{font-variant-numeric:tabular-nums;font-weight:600}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:576px){.container{padding-left:16px;padding-right:16px}}
.section{padding:88px 0}
.section-sm{padding:64px 0}
@media (max-width:992px){.section{padding:64px 0}}
@media (max-width:576px){.section,.section-sm{padding:48px 0}}
.sec-head{margin-bottom:32px}
.sec-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;color:var(--brand-600);font-weight:600;
  background:var(--brand-100);border-radius:999px;padding:4px 14px;margin-bottom:14px;
}
.sec-head h2{font-size:28px;margin-bottom:10px}
.sec-head p{color:var(--ink-500);max-width:720px}
@media (max-width:576px){
  .sec-head h2{font-size:22px}
}

/* ---------- topbar ---------- */
.topbar{
  background:var(--brand-800);color:rgba(255,255,255,.88);
  font-size:13px;height:38px;display:flex;align-items:center;
}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46ch}
.topbar-actions{display:flex;align-items:center;gap:14px;flex-shrink:0}
.topbar-actions .sep{width:1px;height:14px;background:rgba(255,255,255,.24)}
.topbar-actions a{color:rgba(255,255,255,.88);font-size:13px}
.topbar-actions a:hover{color:#fff}
.topbar-actions a.hl{color:var(--accent-500);font-weight:600}
.topbar-actions a.hl:hover{color:#ffb27a}
@media (max-width:768px){
  .topbar{height:34px}
  .topbar-note{display:none}
  .topbar-actions{width:100%;justify-content:center}
}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand-600),var(--brand-800));
  display:flex;align-items:center;justify-content:center;color:#fff;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:20px;height:20px}
.brand-text{line-height:1.2}
.brand-name{font-size:17px;font-weight:700;color:var(--ink-900);letter-spacing:.2px}
.brand-sub{font-size:11px;color:var(--ink-500);letter-spacing:1.4px}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{
  position:relative;font-size:16px;color:var(--ink-700);
  padding:24px 0;display:inline-block;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:16px;transform:translateX(-50%);
  width:0;height:2px;background:var(--brand-600);border-radius:2px;transition:width .2s ease;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:24px;height:3px;background:var(--accent-500)}
.header-cta{display:flex;align-items:center;gap:12px;flex-shrink:0}
.icon-btn{
  width:42px;height:42px;border-radius:var(--r-input);border:1px solid var(--line);
  background:#fff;display:inline-flex;align-items:center;justify-content:center;
  color:var(--ink-700);transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-line);background:var(--brand-100);color:var(--brand-600)}
.burger{
  display:none;width:44px;height:44px;border-radius:var(--r-input);
  border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;
  color:var(--ink-900);
}
@media (max-width:992px){
  .main-nav{display:none}
  .header-cta .btn-brand{display:none}
  .burger{display:inline-flex}
  .header-inner{height:64px}
}
@media (max-width:576px){
  .brand-sub{display:none}
  .brand-name{font-size:15px}
}

/* offcanvas */
.offcanvas{width:min(340px,86vw)}
.offcanvas-header{border-bottom:1px solid var(--line)}
.oc-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;font-size:16px;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.oc-nav a.active{color:var(--brand-600);font-weight:600}
.oc-nav a:hover{color:var(--brand-600)}
.oc-foot{padding:20px 0 8px}

/* ---------- buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-input);
  font-size:16px;font-weight:600;border:1px solid transparent;
  cursor:pointer;transition:all .2s ease;white-space:nowrap;
}
.btn-lg-x{height:52px;padding:0 30px;font-size:17px}
.btn-brand{background:var(--brand-600);color:#fff;box-shadow:var(--sh-1)}
.btn-brand:hover{background:var(--brand-800);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-ghost{background:#fff;color:var(--brand-600);border:1.5px solid var(--brand-line)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800)}
.btn-block{width:100%}
.btn-brand:focus-visible,.btn-accent:focus-visible,.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(21,84,166,.25)}
.btn-accent:focus-visible{box-shadow:0 0 0 3px rgba(242,121,43,.28)}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);
  font-weight:600;font-size:15px;
}
.link-more svg{transition:transform .2s ease}
.link-more:hover svg{transform:translateX(4px)}

/* ---------- badges ---------- */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:600;border-radius:999px;padding:3px 12px;
}
.badge-live{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--ok-100);color:var(--ok-500);
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 13px;
}
.badge-live .dot{width:6px;height:6px;border-radius:50%;background:var(--ok-500);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
.badge-wait{
  display:inline-flex;align-items:center;gap:7px;
  background:var(--accent-100);color:var(--accent-700);
  font-size:12px;font-weight:600;border-radius:999px;padding:4px 13px;
}
.badge-dim{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(15,27,45,.72);color:#fff;
  font-size:12px;font-weight:600;border-radius:999px;padding:3px 11px;
}

/* ---------- hero ---------- */
.hero-live{
  position:relative;padding:72px 0 88px;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(255,255,255,.94),rgba(246,249,252,.98)),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero-live::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;
  border-radius:50%;background:var(--brand-100);opacity:.6;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center}
.hero-copy h1{font-size:40px;line-height:1.25;margin:16px 0 18px;letter-spacing:-.2px}
.hero-copy h1 em{font-style:normal;color:var(--brand-800)}
.hero-sub{font-size:17px;color:var(--ink-700);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-facts{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--ink-500)}
.hero-facts span{display:inline-flex;align-items:center;gap:6px}
.hero-facts i{width:1px;height:12px;background:var(--line);display:inline-block}
.hero-facts svg{width:14px;height:14px;color:var(--ok-500)}
.hero-card{
  position:relative;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-2);background:#fff;
  padding:32px;
}
.hero-card-inner{
  position:relative;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;
  background:var(--brand-100);
}
.hero-card-inner img{width:100%;height:100%;object-fit:cover}
.hero-card-bar{
  position:absolute;left:12px;right:12px;bottom:12px;
  background:rgba(15,27,45,.72);border-radius:10px;padding:12px 16px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
}
.hero-card-bar .t{color:#fff;font-size:14px;font-weight:600}
.hero-card-bar .m{color:rgba(255,255,255,.78);font-size:12px;display:flex;gap:14px;flex-wrap:wrap}
.hero-card-note{margin-top:16px;font-size:13px;color:var(--ink-500);display:flex;align-items:center;gap:8px}
@media (max-width:992px){
  .hero-inner{grid-template-columns:1fr;gap:32px}
  .hero-copy h1{font-size:32px}
  .hero-live{padding:48px 0 64px}
  .hero-card{padding:20px}
}
@media (max-width:576px){
  .hero-copy h1{font-size:26px}
  .hero-sub{font-size:15px}
  .hero-actions .btn-x{width:100%}
  .hero-card{padding:14px}
  .hero-card-bar{position:static;margin-top:12px;border-radius:10px}
}

/* ---------- countdown ---------- */
.countdown-bar{background:var(--brand-100);padding:48px 0;border-top:1px solid var(--brand-line);border-bottom:1px solid var(--brand-line)}
.cd-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cd-copy{min-width:200px}
.cd-copy .label{font-size:14px;color:var(--brand-800);font-weight:600;margin-bottom:4px}
.cd-copy .sub{font-size:13px;color:var(--ink-500)}
.cd-blocks{display:flex;gap:14px;align-items:flex-start}
.cd-block{
  width:88px;background:var(--accent-100);border:2px solid var(--brand-line);
  border-radius:12px;padding:12px 0;text-align:center;
}
.cd-block b{display:block;font-size:32px;line-height:1.1;color:var(--accent-700);font-variant-numeric:tabular-nums;font-weight:600}
.cd-block small{display:block;margin-top:8px;font-size:12px;color:var(--ink-500)}
.cd-band.is-live{background:var(--ok-100);border-color:var(--ok-100)}
.cd-band.is-live .cd-blocks{display:none}
@media (max-width:768px){
  .cd-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cd-block{width:64px;padding:8px 0}
  .cd-block b{font-size:22px}
  .cd-block small{margin-top:4px;font-size:11px}
}

/* ---------- timeline ---------- */
.timeline-x{position:relative;max-width:880px}
.tl-item{display:flex;gap:24px;padding:20px 16px 20px 0;border-radius:12px;transition:background .2s ease}
.tl-item:hover{background:var(--bg)}
.tl-rail{position:relative;width:48px;flex-shrink:0;display:flex;justify-content:center}
.tl-rail::before{
  content:"";position:absolute;top:0;bottom:-40px;width:2px;background:var(--brand-line);
}
.tl-item:last-child .tl-rail::before{display:none}
.tl-dot{
  width:12px;height:12px;border-radius:50%;background:#fff;
  border:2px solid var(--brand-600);margin-top:10px;position:relative;z-index:2;
  transition:all .2s ease;
}
.tl-item:hover .tl-dot{background:var(--accent-500);border-color:var(--accent-500);transform:scale(1.2)}
.tl-body{flex:1;display:flex;align-items:flex-start;justify-content:space-between;gap:20px}
.tl-body h3{font-size:18px;margin-bottom:6px}
.tl-body p{font-size:14px;color:var(--ink-500)}
@media (max-width:576px){
  .tl-rail{width:28px}
  .tl-body{flex-direction:column;gap:10px}
}

/* ---------- subscribe ---------- */
.subscribe-band{padding:0 0 88px}
.subscribe-card{
  background:var(--brand-100);border:1px solid var(--brand-line);border-radius:20px;
  padding:40px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
}
.subscribe-card h2{font-size:24px;margin-bottom:10px}
.subscribe-card p{font-size:15px;color:var(--ink-700)}
.sub-form{display:flex;gap:12px;flex-wrap:wrap}
.sub-form input[type="text"],.sub-form input[type="email"]{
  flex:1;min-width:200px;height:46px;border:1px solid var(--line);border-radius:var(--r-input);
  padding:0 16px;font-size:15px;background:#fff;color:var(--ink-900);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.sub-form input:focus{outline:none;border-color:var(--brand-600);border-width:2px;box-shadow:0 0 0 3px rgba(21,84,166,.15)}
.sub-agree{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-top:14px;grid-column:1/-1}
.sub-agree input{width:16px;height:16px;accent-color:var(--brand-600)}
.form-ok{
  display:none;margin-top:16px;background:var(--ok-100);border:1px solid var(--ok-500);
  color:#0b6a5e;border-radius:10px;padding:12px 16px;font-size:14px;
}
.form-ok.show{display:block}
@media (max-width:768px){
  .subscribe-band{padding:0 0 64px}
  .subscribe-card{grid-template-columns:1fr;gap:24px;padding:24px}
  .sub-form .btn-x{width:100%}
}

/* ---------- replay track ---------- */
.track-tabs{display:flex;gap:28px;border-bottom:1px solid var(--line);margin-bottom:28px}
.track-tabs button{
  background:none;border:none;padding:14px 0;font-size:16px;color:var(--ink-500);
  position:relative;cursor:pointer;font-weight:500;
}
.track-tabs button::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:2px;
  background:var(--brand-600);transform:scaleX(0);transition:transform .22s ease;
}
.track-tabs button:hover{color:var(--brand-600)}
.track-tabs button.active{color:var(--brand-900);color:var(--brand-600);font-weight:600}
.track-tabs button.active::after{transform:scaleX(1)}
.replay-track{
  display:flex;gap:24px;overflow-x:auto;padding:6px 2px 22px;
  scroll-snap-type:x mandatory;scrollbar-width:none;
}
.replay-track::-webkit-scrollbar{display:none}
.replay-card{
  flex:0 0 300px;scroll-snap-align:start;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .24s ease,box-shadow .24s ease;
}
.replay-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.replay-cover{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.replay-cover img{width:100%;height:100%;object-fit:cover}
.replay-cover .dur{position:absolute;right:10px;bottom:10px}
.replay-body{padding:16px}
.replay-body h3{font-size:16px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin-bottom:8px}
.replay-body h3 a{color:var(--ink-900)}
.replay-body h3 a:hover{color:var(--brand-600)}
.replay-meta{font-size:13px;color:var(--ink-500);display:flex;justify-content:space-between;gap:10px}
@media (max-width:576px){
  .replay-card{flex:0 0 260px}
  .track-tabs{gap:20px}
}

/* ---------- news / cms ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease;
  display:flex;flex-direction:column;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.news-card.featured{grid-column:1/-1;display:grid;grid-template-columns:1fr 1fr;align-items:stretch}
.news-cover{display:block;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-body h3 a{color:var(--ink-900)}
.news-body h3 a:hover{color:var(--brand-600)}
.news-body p{font-size:14px;color:var(--ink-500);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--ink-500)}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:22px;box-shadow:var(--sh-1);margin-bottom:24px}
.side-card h3{font-size:16px;margin-bottom:16px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.hot-list li{display:flex;gap:12px;padding:11px 0;border-bottom:1px dashed var(--line)}
.hot-list li:last-child{border-bottom:none}
.hot-list .rank{
  width:22px;height:22px;border-radius:6px;background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px;
}
.hot-list li:first-child .rank{background:var(--accent-100);color:var(--accent-700)}
.hot-list a{font-size:15px;color:var(--ink-700);line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.hot-list a:hover{color:var(--brand-600)}
.hot-list .date{font-size:12px;color:var(--ink-300);margin-top:4px}
.cat-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 0;font-size:15px;color:var(--ink-700);border-bottom:1px dashed var(--line);
}
.cat-list a:last-child{border-bottom:none}
.cat-list a:hover{color:var(--brand-600)}
.cat-list .cnt{font-size:12px;color:var(--ink-300)}
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;background:#fff;border:1px dashed var(--brand-line);
  border-radius:var(--r-card);grid-column:1/-1;padding:32px;
}
.empty-state svg{width:64px;height:64px;color:var(--brand-line)}
.empty-state p{font-size:15px;color:var(--ink-500)}
@media (max-width:992px){
  .news-card.featured{grid-template-columns:1fr}
}
@media (max-width:576px){
  .news-grid{grid-template-columns:1fr;gap:16px}
}

/* ---------- steps ---------- */
.step-flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.step-flow::before{
  content:"";position:absolute;left:8%;right:8%;top:22px;height:2px;background:var(--brand-line);
}
.step-item{position:relative;text-align:center;padding:0 8px}
.step-num{
  width:44px;height:44px;border-radius:50%;background:var(--brand-100);color:var(--brand-600);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:17px;
  margin:0 auto 16px;position:relative;z-index:2;border:2px solid #fff;
}
.step-item h3{font-size:17px;margin-bottom:8px}
.step-item p{font-size:14px;color:var(--ink-500)}
@media (max-width:768px){
  .step-flow{grid-template-columns:1fr;gap:0}
  .step-flow::before{display:none}
  .step-item{display:flex;gap:16px;text-align:left;padding:0 0 24px}
  .step-item:not(:last-child)::after{
    content:"";position:absolute;left:21px;top:52px;bottom:8px;width:2px;background:var(--brand-line);
  }
  .step-num{margin:0;flex-shrink:0}
}

/* ---------- faq ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:12px!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  background:#fff!important;color:var(--ink-900)!important;
  font-size:17px;font-weight:600;padding:18px 22px;box-shadow:none!important;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.accordion-button:not(.collapsed){color:var(--brand-600)!important;background:#fff!important}
.accordion-button::after{display:none}
.acc-icon{flex-shrink:0;width:20px;height:20px;transition:transform .2s ease;color:var(--brand-600)}
.accordion-button:not(.collapsed) .acc-icon{transform:rotate(45deg)}
.accordion-body{background:var(--bg);padding:20px 24px;font-size:15px;color:var(--ink-700)}

/* ---------- cta band ---------- */
.cta-band{background:var(--brand-800);padding:64px 0}
.cta-band .inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:26px;margin-bottom:8px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:620px}
@media (max-width:576px){
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:21px}
  .cta-band .btn-x{width:100%}
}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-800);color:rgba(255,255,255,.72);padding:64px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:40px}
.footer-brand .brand-mark{margin-bottom:14px}
.footer-brand .name{color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:300px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col li{margin-bottom:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block;transition:all .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:#fff}
@media (max-width:992px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:576px){
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 20px}
}

/* roulang page: article */
:root{
  --brand-600:#1554A6;
  --brand-800:#0E3F7E;
  --brand-100:#E8F1FB;
  --brand-line:#C9DEF6;
  --accent-500:#F2792B;
  --accent-700:#D6621A;
  --accent-100:#FFF0E3;
  --ok-500:#12A594;
  --ok-100:#E3F6F2;
  --ink-900:#0F1B2D;
  --ink-700:#33445A;
  --ink-500:#64748B;
  --ink-300:#9AA9BB;
  --line:#E4EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --sh-1:0 2px 8px rgba(15,27,45,.05);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 16px 40px rgba(15,27,45,.12);
  --r-card:14px;
  --r-img:12px;
  --r-ctrl:10px;
  --bs-primary:#1554A6;
  --bs-primary-rgb:21,84,166;
  --bs-body-bg:#F6F9FC;
  --bs-body-color:#33445A;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:10px;
  --bs-link-color:#1554A6;
  --bs-link-hover-color:#0E3F7E;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-800)}
button,input{font-family:inherit}
h1,h2,h3,h4,h5{color:var(--ink-900);font-weight:700;margin:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-800);color:rgba(255,255,255,.88);font-size:13px}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;height:38px;gap:16px}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:520px}
.topbar-actions{display:flex;align-items:center;gap:12px}
.topbar-actions a{color:rgba(255,255,255,.86);font-size:13px}
.topbar-actions a:hover{color:#fff}
.topbar-actions a.hot{color:var(--accent-500);font-weight:600}
.topbar-actions a.hot:hover{color:#fff}
.topbar-actions .sep{width:1px;height:12px;background:rgba(255,255,255,.25)}
@media(max-width:768px){
  .topbar-inner{height:34px}
  .topbar-note{display:none}
  .topbar-actions .sep,.topbar-actions a:not(.hot){display:none}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--brand-600)}
.brand-mark{
  width:38px;height:38px;border-radius:11px;flex:0 0 38px;
  background:var(--brand-600);color:#fff;display:flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-1);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{letter-spacing:.2px}
.main-nav{display:none;align-items:center;gap:32px}
.main-nav a{
  position:relative;color:var(--ink-700);font-size:16px;padding:6px 0;font-weight:500;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:0;transform:translateX(-50%);
  width:0;height:2px;background:var(--brand-600);transition:width .2s ease;border-radius:2px;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:24px;height:3px;background:var(--accent-500)}
.header-actions{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-ctrl);border:1px solid var(--line);background:#fff;
  color:var(--ink-700);display:none;align-items:center;justify-content:center;transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-line);color:var(--brand-600);background:var(--brand-100)}
.icon-btn svg{width:18px;height:18px}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-ctrl);border:1px solid transparent;
  background:var(--brand-600);color:#fff;font-weight:600;font-size:15px;white-space:nowrap;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-main:hover{background:var(--brand-800);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0)}
.btn-main:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(21,84,166,.25)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-ctrl);border:1px solid transparent;
  background:var(--accent-500);color:#fff;font-weight:600;font-size:15px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0)}
.btn-accent:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(242,121,43,.28)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-ctrl);
  background:#fff;border:1.5px solid var(--brand-line);color:var(--brand-600);font-weight:600;font-size:15px;
  transition:all .2s ease;
}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(21,84,166,.18)}
.hamburger{
  width:42px;height:42px;border-radius:var(--r-ctrl);border:1px solid var(--line);background:#fff;
  color:var(--ink-700);display:inline-flex;align-items:center;justify-content:center;
}
.hamburger svg{width:20px;height:20px}
@media(min-width:992px){
  .main-nav{display:flex}
  .icon-btn{display:inline-flex}
  .hamburger{display:none !important}
}
@media(max-width:991px){
  .header-inner{height:64px}
  .brand-text{font-size:15px}
  .header-actions .btn-main{display:none}
}
@media(max-width:575px){
  .brand-mark{width:34px;height:34px;flex:0 0 34px;border-radius:10px}
  .brand-text{max-width:150px;overflow:hidden;text-overflow:ellipsis}
}

/* 抽屉导航 */
.offcanvas.mobile-nav{width:82vw;max-width:340px;border:none}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.mobile-nav .offcanvas-body{padding:8px 20px 24px;display:flex;flex-direction:column}
.mobile-nav a.nav-row{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;border-bottom:1px solid var(--line);color:var(--ink-700);font-size:16px;
}
.mobile-nav a.nav-row:hover{color:var(--brand-600)}
.mobile-nav a.nav-row.active{color:var(--brand-600);font-weight:600}
.mobile-nav a.nav-row svg{width:16px;height:16px;color:var(--ink-300)}
.mobile-nav .nav-foot{margin-top:24px;display:flex;flex-direction:column;gap:12px}
.mobile-nav .nav-foot .btn-accent,.mobile-nav .nav-foot .btn-ghost{width:100%}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--ink-500);padding:14px 0}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb svg{width:12px;height:12px;color:var(--ink-300);flex:0 0 12px}
.crumb .current{color:var(--ink-700);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:60vw}

/* ---------- 文章头 ---------- */
.article-head{background:#fff;padding:40px 0 0}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;
}
.article-head h1{
  font-size:32px;line-height:1.3;margin:16px 0 0;letter-spacing:.2px;
}
@media(min-width:1200px){.article-head h1{font-size:40px;line-height:1.25}}
@media(max-width:576px){.article-head h1{font-size:26px}}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  margin-top:18px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:var(--ink-300)}
.meta-num{font-variant-numeric:tabular-nums}
.back-link{
  display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand-600);font-weight:600;
}
.back-link svg{width:14px;height:14px;transition:transform .2s ease}
.back-link:hover svg{transform:translateX(-4px)}

/* ---------- 主体栅格 ---------- */
.main-wrap{padding:32px 0 64px}
.article-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:28px 24px;
}
@media(min-width:768px){.article-card{padding:40px 44px}}

.article-body{font-size:17px;line-height:1.85;color:var(--ink-700)}
.article-body>*+*{margin-top:20px}
.article-body p{margin:0}
.article-body h2{
  position:relative;font-size:26px;line-height:1.35;margin:40px 0 16px;padding-left:14px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;border-radius:3px;background:var(--brand-600);
}
.article-body h3{font-size:20px;line-height:1.5;margin:28px 0 12px;color:var(--ink-900)}
.article-body h4{font-size:17px;margin:20px 0 10px;color:var(--ink-900)}
.article-body ul{list-style:none;padding-left:2px}
.article-body ul li{position:relative;padding-left:20px;margin-top:10px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;background:var(--brand-600);
}
.article-body ol{padding-left:22px;list-style:decimal}
.article-body ol li{margin-top:10px}
.article-body img{border-radius:var(--r-img);width:100%;margin:8px auto}
.article-body figure{margin:0}
.article-body figcaption{font-size:13px;color:var(--ink-500);text-align:center;margin-top:8px}
.article-body blockquote{
  margin:24px 0;padding:20px 22px;background:var(--bg);border-left:4px solid var(--brand-line);
  border-radius:0 var(--r-ctrl) var(--r-ctrl) 0;color:var(--ink-700);
}
.article-body blockquote p{margin:0}
.article-body a{color:var(--brand-600);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-800)}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;margin:24px 0;font-size:15px;
  border:1px solid var(--line);border-radius:12px;overflow:hidden;
}
.article-body thead th{background:var(--brand-100);color:var(--brand-800);font-weight:600;text-align:left}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FAFCFE}
.article-body tbody tr:last-child td{border-bottom:none}
.table-scroll{width:100%;overflow-x:auto;-webkit-overflow-scrolling:touch}
.article-body code{background:var(--bg);padding:2px 6px;border-radius:6px;font-size:15px;color:var(--brand-800)}

/* 空态 */
.empty-state{
  min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;text-align:center;padding:32px 16px;
}
.empty-state svg{width:64px;height:64px;color:var(--ink-300)}
.empty-state p{font-size:15px;color:var(--ink-500)}

/* ---------- 侧栏 ---------- */
.side-col{display:flex;flex-direction:column;gap:24px}
@media(min-width:992px){
  .side-sticky{position:sticky;top:96px}
}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:22px 20px;
}
.side-card h3{font-size:17px;margin-bottom:6px}
.side-card .side-sub{font-size:13px;color:var(--ink-500);margin-bottom:14px}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:12px 0;color:var(--ink-700);font-size:15px;
}
.side-list a:hover{color:var(--brand-600)}
.side-list .idx{
  flex:0 0 24px;height:24px;border-radius:7px;background:var(--brand-100);color:var(--brand-600);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.side-list .idx.top{background:var(--accent-100);color:var(--accent-700)}
.side-card.subscribe{background:var(--brand-100);border-color:var(--brand-line)}
.side-card.subscribe p{font-size:14px;color:var(--ink-700);margin-bottom:14px}
.side-card.subscribe .btn-accent,.side-card.subscribe .btn-ghost{width:100%}
.side-cta-inline{display:flex;flex-direction:column;gap:10px}

/* ---------- 标签 + 上下篇 ---------- */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--line)}
.tag-row .label{font-size:13px;color:var(--ink-500);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:13px;font-weight:600;transition:all .2s ease;
}
.tag:hover{background:var(--brand-600);color:#fff}
.prevnext{display:grid;grid-template-columns:1fr;gap:16px;margin-top:28px}
@media(min-width:768px){.prevnext{grid-template-columns:1fr 1fr}}
.pn-card{
  display:flex;align-items:center;gap:12px;padding:18px;border:1px solid var(--line);
  border-radius:var(--r-card);background:var(--surface);box-shadow:var(--sh-1);transition:all .24s ease;
}
.pn-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px);border-color:var(--brand-line)}
.pn-card svg{width:18px;height:18px;color:var(--brand-600);flex:0 0 18px}
.pn-card .pn-text{min-width:0}
.pn-card .pn-label{font-size:12px;color:var(--ink-500)}
.pn-card .pn-title{
  font-size:15px;font-weight:600;color:var(--ink-900);
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;
}
.pn-card.next{justify-content:flex-end;text-align:right}

/* ---------- 相关推荐 ---------- */
.section{padding:64px 0}
.section-title{font-size:28px;line-height:1.35;margin-bottom:8px}
.section-sub{font-size:15px;color:var(--ink-500)}
.sec-head{margin-bottom:32px}
.card-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:576px){.card-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.card-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.news-card .thumb{position:relative;aspect-ratio:16/9;background:var(--brand-100);overflow:hidden}
.news-card .thumb img{width:100%;height:100%;object-fit:cover}
.news-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-card h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card p{
  font-size:14px;color:var(--ink-500);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card .meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-500);margin-top:auto}
.news-card .meta .date{font-variant-numeric:tabular-nums}

/* ---------- CTA ---------- */
.cta-band{background:var(--brand-800);padding:64px 0}
.cta-inner{display:flex;flex-direction:column;gap:24px}
@media(min-width:992px){.cta-inner{flex-direction:row;align-items:center;justify-content:space-between}}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:10px}
.cta-band p{color:rgba(255,255,255,.78);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:rgba(255,255,255,.72);padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:48px}}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;margin-bottom:14px}
.footer-brand .name{color:#fff;font-size:17px;font-weight:700;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:rgba(255,255,255,.6);
}

@media(max-width:575px){
  .section{padding:48px 0}
  .section-title{font-size:22px}
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:22px}
  .cta-actions .btn-accent,.cta-actions .btn-ghost{width:100%}
}

/* roulang page: category1 */
:root{
  --brand-600:#1554A6;
  --brand-800:#0E3F7E;
  --brand-100:#E8F1FB;
  --brand-line:#C9DEF6;
  --accent-500:#F2792B;
  --accent-700:#D6621A;
  --accent-100:#FFF0E3;
  --ok-500:#12A594;
  --ok-100:#E3F6F2;
  --ink-900:#0F1B2D;
  --ink-700:#33445A;
  --ink-500:#64748B;
  --ink-300:#9AA9BB;
  --line:#E4EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --radius-card:14px;
  --radius-img:12px;
  --radius-ctrl:10px;
  --sh-1:0 2px 8px rgba(15,27,45,.05);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 16px 40px rgba(15,27,45,.12);
  --bs-primary:#1554A6;
  --bs-primary-rgb:21,84,166;
  --bs-body-bg:#F6F9FC;
  --bs-body-color:#33445A;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:10px;
  --bs-link-color:#1554A6;
  --bs-link-hover-color:#0E3F7E;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-700);
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4{color:var(--ink-900);font-weight:700;margin:0;letter-spacing:.2px}
h1{font-size:40px;line-height:1.25}
h2{font-size:28px;line-height:1.35}
h3{font-size:20px;line-height:1.5;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 16px}
ul{margin:0;padding:0;list-style:none}
button,input{font-family:inherit}
:focus-visible{outline:0;box-shadow:0 0 0 3px rgba(21,84,166,.25)}

.container{width:100%;padding-left:16px;padding-right:16px;margin-left:auto;margin-right:auto}
@media (min-width:576px){.container{max-width:540px;padding-left:20px;padding-right:20px}}
@media (min-width:768px){.container{max-width:720px;padding-left:24px;padding-right:24px}}
@media (min-width:992px){.container{max-width:960px}}
@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-800);color:rgba(255,255,255,.88);font-size:13px;height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46ch;line-height:1}
.topbar-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.topbar-actions a{color:rgba(255,255,255,.88);font-size:13px}
.topbar-actions a:hover{color:#fff}
.topbar-actions .divider{width:1px;height:12px;background:rgba(255,255,255,.28)}
.topbar-actions .hot{color:var(--accent-500)}
.topbar-actions .hot:hover{color:#FFA76A}
@media (max-width:768px){
  .topbar{height:34px}
  .topbar-note{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);font-weight:700}
.brand:hover{color:var(--ink-900)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex-shrink:0;
  background:var(--brand-100);color:var(--brand-600);
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px}
.brand-text{font-size:18px;letter-spacing:.2px;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{
  position:relative;color:var(--ink-700);font-size:16px;padding:6px 0;line-height:1.4;
}
.main-nav a::after{
  content:"";position:absolute;left:50%;bottom:-6px;width:0;height:2px;
  background:var(--brand-600);border-radius:2px;transform:translateX(-50%);
  transition:width .2s ease;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:24px;height:3px;background:var(--accent-500)}
.header-tools{display:flex;align-items:center;gap:12px}
.icon-btn{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--ink-700);display:inline-flex;align-items:center;justify-content:center;
  transition:all .2s ease;
}
.icon-btn:hover{border-color:var(--brand-line);color:var(--brand-600);background:var(--brand-100)}
.icon-btn svg{width:19px;height:19px}
.nav-toggle{display:none}
@media (max-width:991.98px){
  .main-nav{display:none}
  .header-tools .btn-brand{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{height:64px}
}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--radius-ctrl);
  font-size:16px;font-weight:600;border:1px solid transparent;cursor:pointer;
  transition:all .22s ease;white-space:nowrap;
}
.btn-lg-x{height:52px;padding:0 30px;font-size:17px}
.btn-brand{background:var(--brand-600);color:#fff}
.btn-brand:hover{background:var(--brand-800);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-accent{background:var(--accent-500);color:#fff}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-ghost{background:#fff;color:var(--brand-600);border:1.5px solid var(--brand-line)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-600);font-size:15px}
.link-arrow svg{width:16px;height:16px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ---------- 徽章 ---------- */
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;letter-spacing:.3px;
}
.badge-time{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--accent-100);color:var(--accent-700);font-size:12px;font-weight:600;
}
.badge-status{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:999px;
  background:var(--ok-100);color:var(--ok-500);font-size:12px;font-weight:600;
}
.badge-status .dot{width:6px;height:6px;border-radius:50%;background:var(--ok-500);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);flex-wrap:wrap}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb svg{width:12px;height:12px;color:var(--ink-300)}
.crumb .current{color:var(--ink-700);font-weight:600}

/* ---------- 分类横幅 ---------- */
.banner{
  position:relative;min-height:260px;display:flex;align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(232,241,251,.9) 52%,rgba(21,84,166,.62) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.banner-inner{padding:36px 0 40px;max-width:720px}
.banner h1{margin:16px 0 10px;font-size:40px;color:var(--brand-800)}
.banner .lead{font-size:17px;color:var(--ink-700);margin:0;line-height:1.7}
@media (max-width:991.98px){
  .banner h1{font-size:32px}
  .banner-inner{padding:28px 0 32px}
}
@media (max-width:575.98px){
  .banner{min-height:180px}
  .banner h1{font-size:26px;margin:12px 0 8px}
  .banner .lead{font-size:15px}
}

/* ---------- 板块通用 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--brand-600);
  letter-spacing:1.4px;text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{margin-bottom:12px}
.section-head p{color:var(--ink-500);font-size:16px;margin:0}
.bg-soft{background:var(--bg)}
.bg-brand-soft{background:var(--brand-100)}
@media (max-width:991.98px){.section{padding:64px 0}.section-tight{padding:48px 0}}
@media (max-width:575.98px){.section{padding:48px 0}.section-tight{padding:40px 0}}

/* ---------- 三段式引导 ---------- */
.intro-panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--sh-1);padding:32px;height:100%;
}
.intro-item{display:flex;gap:16px;padding:20px 0;border-bottom:1px dashed var(--line)}
.intro-item:last-child{border-bottom:0;padding-bottom:0}
.intro-item:first-child{padding-top:0}
.intro-num{
  flex-shrink:0;width:34px;height:34px;border-radius:10px;background:var(--brand-100);
  color:var(--brand-600);font-weight:700;display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;
}
.intro-item h3{font-size:17px;margin-bottom:6px;color:var(--ink-900)}
.intro-item p{margin:0;font-size:15px;color:var(--ink-500);line-height:1.75}
.intro-figure{
  border-radius:var(--radius-card);overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--sh-2);height:100%;position:relative;background:var(--brand-100);
}
.intro-figure img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3}
.intro-figure figcaption{
  position:absolute;left:0;right:0;bottom:0;padding:14px 18px;
  background:linear-gradient(180deg,rgba(15,27,45,0) 0%,rgba(15,27,45,.78) 100%);
  color:#fff;font-size:14px;
}
.intro-figure figcaption span{display:block;font-size:12px;color:rgba(255,255,255,.72);margin-top:2px}

/* ---------- 编号步骤时间轴 ---------- */
.step-list{max-width:900px}
.step-item{position:relative;padding-left:78px;padding-bottom:36px}
.step-item:last-child{padding-bottom:0}
.step-item::before{
  content:"";position:absolute;left:27px;top:56px;bottom:0;width:2px;background:var(--brand-line);
}
.step-item:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:56px;height:56px;border-radius:16px;
  background:var(--brand-100);color:var(--brand-600);border:1px solid var(--brand-line);
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.step-body{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:22px 24px;box-shadow:var(--sh-1);transition:all .24s ease;
}
.step-body:hover{box-shadow:var(--sh-3);transform:translateY(-3px)}
.step-body h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.step-body p{margin:0;font-size:15px;color:var(--ink-500)}
.step-media{
  margin-top:16px;border-radius:var(--radius-img);overflow:hidden;border:1px solid var(--line);
}
.step-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
@media (max-width:575.98px){
  .step-item{padding-left:56px;padding-bottom:28px}
  .step-item::before{left:19px;top:48px}
  .step-num{width:40px;height:40px;border-radius:12px;font-size:16px}
  .step-body{padding:18px}
}

/* ---------- 材料清单 ---------- */
.material-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--sh-1);padding:32px;
}
.check-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px 28px}
.check-item{display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-700)}
.check-item .tick{
  flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--ok-100);
  color:var(--ok-500);display:inline-flex;align-items:center;justify-content:center;margin-top:3px;
}
.check-item .tick svg{width:13px;height:13px}
.check-item small{display:block;color:var(--ink-500);font-size:13px;line-height:1.6;margin-top:2px}
.material-note{
  margin-top:24px;background:var(--accent-100);border-left:4px solid var(--accent-500);
  border-radius:0 var(--radius-ctrl) var(--radius-ctrl) 0;padding:16px 20px;font-size:14px;color:var(--ink-700);
}
@media (max-width:767.98px){
  .check-grid{grid-template-columns:1fr}
  .material-card{padding:24px}
}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-accordion .accordion-item{
  background:var(--surface);border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-accordion .accordion-button{
  background:var(--surface);color:var(--ink-900);font-size:17px;font-weight:600;
  padding:18px 22px;box-shadow:none;border:0;gap:16px;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-600);background:var(--surface)}
.faq-accordion .accordion-button::after{display:none}
.faq-accordion .accordion-button .plus{
  margin-left:auto;flex-shrink:0;width:22px;height:22px;color:var(--brand-600);
  transition:transform .2s ease;
}
.faq-accordion .accordion-button:not(.collapsed) .plus{transform:rotate(45deg)}
.faq-accordion .accordion-body{
  background:var(--bg);color:var(--ink-700);font-size:15px;line-height:1.8;
  padding:20px 24px;border-top:1px solid var(--line);
}

/* ---------- 相关入口卡片 ---------- */
.entry-card{
  display:flex;flex-direction:column;height:100%;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--sh-1);transition:all .24s ease;
}
.entry-card:hover{box-shadow:var(--sh-3);transform:translateY(-4px)}
.entry-card .thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-100)}
.entry-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.entry-card:hover .thumb img{transform:scale(1.04)}
.entry-card .body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-card h3{font-size:18px;margin:0}
.entry-card p{margin:0;font-size:14px;color:var(--ink-500);line-height:1.7}
.entry-card .foot{margin-top:auto;padding-top:12px}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--brand-800);padding:64px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.05);
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;z-index:1}
.cta-inner h2{color:#fff;font-size:28px;margin-bottom:8px}
.cta-inner p{color:rgba(255,255,255,.74);margin:0;font-size:15px;max-width:640px}
@media (max-width:767.98px){
  .cta-band{padding:48px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:20px}
  .cta-inner .btn-accent{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:rgba(255,255,255,.72);padding:64px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;width:40px;height:40px;border-radius:12px}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-brand .name{color:#fff;font-size:18px;font-weight:700;margin:14px 0 10px}
.footer-brand p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.75;margin:0;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:12px}
.footer-col ul li a{color:rgba(255,255,255,.72);font-size:14px;transition:all .2s ease;display:inline-block}
.footer-col ul li a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:16px;font-size:13px;
  color:rgba(255,255,255,.6);flex-wrap:wrap;
}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){
  .site-footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
}

/* ---------- 移动端抽屉 ---------- */
.offcanvas.drawer{background:#fff;width:320px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding:18px 20px;border-bottom:1px solid var(--line)}
.drawer-title{font-size:15px;font-weight:600;color:var(--ink-900)}
.drawer-nav{padding:8px 0}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 20px;color:var(--ink-700);font-size:16px;border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer-nav a.active{color:var(--brand-600);font-weight:600;background:var(--brand-100)}
.drawer-nav a svg{width:14px;height:14px;color:var(--ink-300)}
.drawer-foot{padding:20px;border-top:1px solid var(--line)}
.drawer-foot .btn-brand{width:100%}
.drawer-foot .btn-ghost{width:100%;margin-top:10px}

/* roulang page: category3 */
:root{
  --brand-600:#1554A6;
  --brand-800:#0E3F7E;
  --brand-100:#E8F1FB;
  --brand-line:#C9DEF6;
  --accent-500:#F2792B;
  --accent-700:#D6621A;
  --accent-100:#FFF0E3;
  --ok-500:#12A594;
  --ok-100:#E3F6F2;
  --ink-900:#0F1B2D;
  --ink-700:#33445A;
  --ink-500:#64748B;
  --ink-300:#9AA9BB;
  --line:#E4EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --sh-1:0 2px 8px rgba(15,27,45,.05);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 16px 40px rgba(15,27,45,.12);
  --r-card:14px;
  --r-img:12px;
  --r-input:10px;
  --r-pill:999px;
  --r-band:20px;

  --bs-primary:#1554A6;
  --bs-primary-rgb:21,84,166;
  --bs-body-bg:#F6F9FC;
  --bs-body-color:#33445A;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:14px;
  --bs-link-color:#1554A6;
  --bs-link-hover-color:#0E3F7E;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
}
img{max-width:100%;display:block}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4{margin:0;color:var(--ink-900);font-weight:600;line-height:1.35}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(21,84,166,.35);outline-offset:2px}

@media (min-width:1200px){.container{max-width:1200px}}
@media (min-width:1400px){.container{max-width:1280px}}

/* ===== 顶部信息条 ===== */
.topbar{
  background:var(--brand-800);
  height:38px;
  display:flex;
  align-items:center;
  font-size:13px;
  color:rgba(255,255,255,.88);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.topbar-note{
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
  max-width:52%;
}
.topbar-actions{display:flex;align-items:center;gap:14px;white-space:nowrap}
.topbar-actions a{color:rgba(255,255,255,.88);font-size:13px}
.topbar-actions a:hover{color:#fff}
.topbar-actions .divider{width:1px;height:12px;background:rgba(255,255,255,.24);display:inline-block}
.topbar-actions .hl{color:var(--accent-500);font-weight:600}
.topbar-actions .hl:hover{color:#FFA05F}
@media (max-width:768px){
  .topbar{height:34px}
  .topbar-note{display:none}
  .topbar-inner{justify-content:flex-end}
}

/* ===== 主导航 ===== */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-2)}
.header-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  min-height:72px;
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:var(--brand-100);
  color:var(--brand-600);
  border:1px solid var(--brand-line);
}
.brand-mark svg{width:22px;height:22px}
.brand-text{
  font-size:17px;
  font-weight:700;
  color:var(--ink-900);
  letter-spacing:.2px;
  white-space:nowrap;
}
.brand:hover .brand-text{color:var(--brand-600)}
.main-nav{display:flex;align-items:center;gap:32px}
.main-nav a{
  position:relative;
  padding:25px 0;
  font-size:16px;
  color:var(--ink-700);
  font-weight:500;
}
.main-nav a::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:18px;
  width:0;
  height:2px;
  background:var(--brand-600);
  transform:translateX(-50%);
  transition:width .2s ease;
  border-radius:2px;
}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:28px;height:3px;background:var(--accent-500)}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);
  border-radius:var(--r-input);
  background:#fff;
  align-items:center;
  justify-content:center;
  color:var(--ink-700);
  cursor:pointer;
  transition:border-color .2s ease,background .2s ease;
}
.nav-toggle:hover{border-color:var(--brand-line);background:var(--brand-100);color:var(--brand-600)}
.nav-toggle svg{width:22px;height:22px}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-header-cta{display:none}
}
@media (max-width:575.98px){
  .brand-text{font-size:15px}
  .header-inner{min-height:64px;gap:12px}
}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:var(--r-input);
  font-size:15px;
  font-weight:600;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn svg{width:16px;height:16px;flex:0 0 auto}
.btn-brand{background:var(--brand-600);color:#fff;border-color:var(--brand-600)}
.btn-brand:hover{background:var(--brand-800);border-color:var(--brand-800);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-brand:active{transform:translateY(0);box-shadow:none}
.btn-brand:focus-visible{box-shadow:0 0 0 3px rgba(21,84,166,.25);outline:none}
.btn-accent{background:var(--accent-500);color:#fff;border-color:var(--accent-500)}
.btn-accent:hover{background:var(--accent-700);border-color:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0);box-shadow:none}
.btn-accent:focus-visible{box-shadow:0 0 0 3px rgba(242,121,43,.28);outline:none}
.btn-ghost{background:#fff;color:var(--brand-600);border-color:var(--brand-line)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800);transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(0)}
.btn-ghost:focus-visible{box-shadow:0 0 0 3px rgba(21,84,166,.2);outline:none}
.btn-header-cta{height:42px;padding:0 18px;font-size:14px}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:52px;padding:0 30px;font-size:16px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand-600);font-weight:600;font-size:14px;
}
.link-arrow svg{width:15px;height:15px;transition:transform .2s ease}
.link-arrow:hover svg{transform:translateX(4px)}

/* ===== 徽章 ===== */
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;
  border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;
  white-space:nowrap;
}
.chip-brand{background:var(--brand-100);color:var(--brand-600)}
.chip-ok{background:var(--ok-100);color:var(--ok-500)}
.chip-accent{background:var(--accent-100);color:var(--accent-700)}
.chip .dot{width:6px;height:6px;border-radius:50%;background:var(--ok-500);animation:breathe 1.6s ease-in-out infinite}
@keyframes breathe{0%,100%{opacity:1}50%{opacity:.45}}

/* ===== 面包屑 ===== */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);padding:12px 0;flex-wrap:wrap}
.crumb a{color:var(--ink-500)}
.crumb a:hover{color:var(--brand-600)}
.crumb svg{width:13px;height:13px;color:var(--ink-300)}
.crumb .current{color:var(--ink-700);font-weight:600}

/* ===== 分类横幅 ===== */
.page-banner{
  position:relative;
  min-height:260px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(100deg,rgba(255,255,255,.92) 0%,rgba(232,241,251,.88) 60%,rgba(232,241,251,.72) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.banner-inner{padding:52px 0 40px;max-width:760px}
.banner-badge{margin-bottom:16px}
.page-banner h1{
  font-size:40px;
  line-height:1.25;
  letter-spacing:.4px;
  font-weight:700;
  color:var(--ink-900);
}
.page-banner h1 em{font-style:normal;color:var(--brand-800)}
.banner-lead{
  margin-top:14px;
  font-size:17px;
  color:var(--ink-700);
  max-width:640px;
}
@media (max-width:991.98px){
  .page-banner{min-height:220px}
  .page-banner h1{font-size:32px}
  .banner-inner{padding:40px 0 32px}
}
@media (max-width:575.98px){
  .page-banner{min-height:180px}
  .page-banner h1{font-size:26px}
  .banner-lead{font-size:15px}
}

/* ===== 板块 ===== */
.section{padding:88px 0}
.section--tight{padding:64px 0}
.section--alt{background:var(--brand-100)}
.section-head{max-width:680px;margin-bottom:36px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--brand-600);
  letter-spacing:.6px;margin-bottom:12px;
}
.eyebrow::before{content:"";width:18px;height:2px;background:var(--accent-500);border-radius:2px}
.section-title{font-size:28px;line-height:1.35}
.section-sub{margin-top:12px;font-size:15px;color:var(--ink-500)}
@media (max-width:991.98px){.section{padding:64px 0}.section--tight{padding:48px 0}}
@media (max-width:575.98px){.section{padding:48px 0}.section-title{font-size:23px}}

/* ===== 卡片通用 ===== */
.ev-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;
  transition:transform .24s ease,box-shadow .24s ease;
}
.ev-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.ev-media{
  position:relative;
  background:var(--brand-100);
  overflow:hidden;
}
.ev-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.ev-card:hover .ev-media img{transform:scale(1.03)}
.badge-overlay{
  position:absolute;left:14px;bottom:14px;
  background:rgba(15,27,45,.72);
  color:#fff;font-size:12px;font-weight:600;
  padding:5px 12px;border-radius:var(--r-pill);
  backdrop-filter:none;
}
.ev-body{padding:24px;display:flex;flex-direction:column;gap:14px}
.ev-tags{display:flex;flex-wrap:wrap;gap:8px}
.ev-title{font-size:20px;line-height:1.5}
.ev-desc{font-size:15px;color:var(--ink-500);line-height:1.75}
.ev-foot{
  margin-top:auto;
  display:flex;flex-wrap:wrap;gap:16px;
  padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--ink-500);
}
.ev-foot .meta{display:inline-flex;align-items:center;gap:6px;font-variant-numeric:tabular-nums}
.ev-foot .meta svg{width:14px;height:14px;color:var(--brand-600)}

/* ===== 不等高卡片网格 ===== */
.grid-showcase{
  display:grid;
  grid-template-columns:1.15fr 1fr;
  gap:28px;
}
.ev-card--lg{grid-row:span 2;flex-direction:column}
.ev-card--lg .ev-media{aspect-ratio:16/10}
.ev-card--lg .ev-title{font-size:23px}
.ev-card--sm{flex-direction:row;align-items:stretch}
.ev-card--sm .ev-media{flex:0 0 172px}
.ev-card--sm .ev-media img{aspect-ratio:auto;height:100%}
.ev-card--sm .ev-body{padding:20px}
.ev-card--sm .ev-title{font-size:17px}
.ev-card--sm .ev-desc{font-size:14px}
@media (max-width:1199.98px){
  .grid-showcase{gap:24px}
  .ev-card--sm .ev-media{flex:0 0 148px}
}
@media (max-width:991.98px){
  .grid-showcase{grid-template-columns:1fr}
  .ev-card--lg{grid-row:auto}
}
@media (max-width:575.98px){
  .ev-card--sm{flex-direction:column}
  .ev-card--sm .ev-media{flex:0 0 auto;aspect-ratio:16/9}
  .ev-body{padding:18px}
}

/* ===== 排期列表 ===== */
.schedule{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.schedule-row{
  display:grid;
  grid-template-columns:96px 1fr auto;
  align-items:center;
  gap:24px;
  padding:22px 26px;
  border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.schedule-row:last-child{border-bottom:none}
.schedule-row:hover{background:var(--bg)}
.s-date{
  font-size:14px;font-weight:600;color:var(--brand-600);
  font-variant-numeric:tabular-nums;letter-spacing:.2px;
}
.s-title{font-size:17px;line-height:1.5}
.s-desc{margin-top:6px;font-size:14px;color:var(--ink-500)}
.s-side{display:flex;align-items:center;gap:10px}
@media (max-width:767.98px){
  .schedule-row{grid-template-columns:1fr;gap:10px;padding:20px}
  .s-side{justify-content:flex-start}
}

/* ===== FAQ 手风琴 ===== */
.faq-wrap{max-width:820px;margin:0 auto}
.faq-acc .accordion-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  margin-bottom:12px;
  overflow:hidden;
}
.faq-acc .accordion-button{
  background:#fff;
  color:var(--ink-900);
  font-size:17px;
  font-weight:600;
  line-height:1.5;
  padding:20px 22px;
  box-shadow:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
}
.faq-acc .accordion-button:not(.collapsed){background:#fff;color:var(--brand-600);box-shadow:none}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(21,84,166,.16);border-color:var(--brand-line)}
.faq-acc .accordion-button::after{display:none}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--brand-100);
  color:var(--brand-600);
  transition:transform .2s ease,background-color .2s ease,color .2s ease;
}
.faq-icon svg{width:14px;height:14px}
.faq-acc .accordion-button:not(.collapsed) .faq-icon{transform:rotate(45deg);background:var(--accent-100);color:var(--accent-700)}
.faq-acc .accordion-body{
  background:var(--bg);
  padding:20px 24px;
  font-size:15px;
  line-height:1.8;
  color:var(--ink-700);
  border-top:1px solid var(--line);
}
@media (max-width:575.98px){
  .faq-acc .accordion-button{font-size:16px;padding:16px 16px}
  .faq-acc .accordion-body{padding:16px}
}

/* ===== 文字链区 ===== */
.link-cols{display:grid;grid-template-columns:1fr 1fr;gap:28px}
.link-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  padding:28px;
}
.link-panel h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:10px}
.link-panel h3 .mark{width:8px;height:8px;border-radius:2px;background:var(--brand-600)}
.link-list li{border-bottom:1px dashed var(--line)}
.link-list li:last-child{border-bottom:none}
.link-list a{
  display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding:13px 0;font-size:15px;color:var(--ink-700);
  transition:color .2s ease,transform .2s ease;
}
.link-list a:hover{color:var(--brand-600);transform:translateX(2px)}
.link-list a svg{width:15px;height:15px;color:var(--ink-300);flex:0 0 auto;transition:transform .2s ease,color .2s ease}
.link-list a:hover svg{color:var(--accent-500);transform:translateX(4px)}
@media (max-width:767.98px){.link-cols{grid-template-columns:1fr;gap:16px}.link-panel{padding:22px}}

/* ===== CTA 通栏 ===== */
.cta-band{
  background:var(--brand-800);
  padding:64px 0;
}
.cta-inner{
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:26px;line-height:1.4}
.cta-inner p{color:rgba(255,255,255,.78);margin-top:10px;font-size:15px;max-width:620px}
.cta-actions{display:flex;align-items:center;gap:14px;flex-wrap:wrap}
.cta-link{color:rgba(255,255,255,.85);font-size:15px;font-weight:600}
.cta-link:hover{color:#fff}
@media (max-width:767.98px){
  .cta-band{padding:48px 0}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}

/* ===== Offcanvas 抽屉 ===== */
.offcanvas.drawer{width:320px;max-width:88vw;border-left:1px solid var(--line)}
.drawer .offcanvas-header{border-bottom:1px solid var(--line);padding:16px 20px}
.drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.drawer .offcanvas-body{padding:8px 0 0;display:flex;flex-direction:column}
.drawer-nav{display:flex;flex-direction:column}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 20px;
  font-size:16px;color:var(--ink-700);
  border-bottom:1px solid var(--line);
}
.drawer-nav a:hover{background:var(--brand-100);color:var(--brand-600)}
.drawer-nav a.active{color:var(--brand-600);font-weight:600;border-left:3px solid var(--accent-500);padding-left:17px}
.drawer-foot{margin-top:auto;padding:20px;border-top:1px solid var(--line)}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-800);padding:64px 0 24px;color:rgba(255,255,255,.72)}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .brand-mark{
  background:rgba(255,255,255,.12);
  border-color:rgba(255,255,255,.2);
  color:#fff;
  width:40px;height:40px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;margin-bottom:14px;
}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-brand .name{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7);max-width:320px}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{
  font-size:14px;color:rgba(255,255,255,.72);
  display:inline-block;transition:color .2s ease,transform .2s ease;
}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding-top:20px;
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .site-footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand-600:#1554A6;
  --brand-800:#0E3F7E;
  --brand-100:#E8F1FB;
  --brand-line:#C9DEF6;
  --accent-500:#F2792B;
  --accent-700:#D6621A;
  --accent-100:#FFF0E3;
  --ok-500:#12A594;
  --ok-100:#E3F6F2;
  --ink-900:#0F1B2D;
  --ink-700:#33445A;
  --ink-500:#64748B;
  --ink-300:#9AA9BB;
  --line:#E4EBF3;
  --bg:#F6F9FC;
  --surface:#FFFFFF;
  --sh-1:0 2px 8px rgba(15,27,45,.05);
  --sh-2:0 8px 24px rgba(15,27,45,.08);
  --sh-3:0 16px 40px rgba(15,27,45,.12);

  --bs-primary:#1554A6;
  --bs-primary-rgb:21,84,166;
  --bs-body-bg:#F6F9FC;
  --bs-body-color:#33445A;
  --bs-border-color:#E4EBF3;
  --bs-border-radius:12px;
  --bs-link-color:#1554A6;
  --bs-link-hover-color:#0E3F7E;
  --bs-font-sans-serif:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --bs-body-font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink-700);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand-600);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-800)}
h1,h2,h3,h4{color:var(--ink-900);margin:0;font-weight:700;letter-spacing:.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:none}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1400px){.container{max-width:1280px}}
@media (max-width:575.98px){.container{padding:0 16px}}

/* ---------- 顶部信息条 ---------- */
.topbar{background:var(--brand-800);color:rgba(255,255,255,.88);font-size:13px;height:38px;display:flex;align-items:center}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar-note{white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46ch}
.topbar-actions{display:flex;align-items:center;gap:12px}
.topbar-actions a{color:rgba(255,255,255,.88)}
.topbar-actions a:hover{color:#fff}
.topbar-actions a.accent{color:var(--accent-500)}
.topbar-actions a.accent:hover{color:#fff}
.topbar .divider{width:1px;height:12px;background:rgba(255,255,255,.28)}
@media (max-width:767.98px){
  .topbar{height:34px}
  .topbar-note{display:none}
}

/* ---------- 主导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .24s ease}
.site-header.is-stuck{box-shadow:var(--sh-2)}
.header-inner{display:flex;align-items:center;height:72px;gap:24px}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink-900);flex:0 0 auto}
.brand:hover{color:var(--brand-800)}
.brand-mark{width:38px;height:38px;border-radius:11px;background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;flex:0 0 auto}
.brand-mark svg{width:22px;height:22px}
.brand-text{font-size:17px;font-weight:700;line-height:1.2}
.main-nav{display:flex;align-items:center;gap:32px;margin-left:auto}
.main-nav a{position:relative;color:var(--ink-700);font-size:16px;padding:6px 0;transition:color .2s ease}
.main-nav a::after{content:"";position:absolute;left:50%;bottom:-1px;width:0;height:2px;background:var(--brand-600);transform:translateX(-50%);transition:width .2s ease}
.main-nav a:hover{color:var(--brand-600)}
.main-nav a:hover::after{width:24px}
.main-nav a.active{color:var(--brand-600);font-weight:600}
.main-nav a.active::after{width:100%;height:3px;background:var(--accent-500)}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--ink-700);align-items:center;justify-content:center;cursor:pointer;transition:border-color .2s ease,color .2s ease}
.nav-toggle:hover{border-color:var(--brand-600);color:var(--brand-600)}
@media (max-width:991.98px){
  .main-nav{display:none}
  .nav-toggle{display:inline-flex}
  .header-cta{display:none}
  .brand-text{font-size:16px}
}
@media (max-width:575.98px){
  .header-inner{height:64px;gap:12px}
  .brand-text{font-size:15px}
  .brand-mark{width:34px;height:34px}
}

/* ---------- 抽屉导航 ---------- */
.site-drawer{width:320px;max-width:86vw;border:0}
.site-drawer .offcanvas-header{padding:20px 22px;border-bottom:1px solid var(--line)}
.site-drawer .offcanvas-title{font-size:16px;font-weight:700;color:var(--ink-900)}
.site-drawer .offcanvas-body{padding:8px 12px 0}
.drawer-nav{display:grid}
.drawer-nav a{display:flex;align-items:center;justify-content:space-between;height:48px;padding:0 12px;border-bottom:1px solid var(--line);color:var(--ink-700);font-size:16px}
.drawer-nav a:hover{color:var(--brand-600)}
.drawer-nav a.active{color:var(--brand-600);font-weight:600}
.drawer-nav a svg{width:16px;height:16px;color:var(--ink-300)}
.drawer-footer{padding:16px 22px 24px;border-top:1px solid var(--line);display:grid;gap:10px}

/* ---------- 按钮 ---------- */
.btn-main,.btn-accent,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:10px;border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-main{background:var(--brand-600);color:#fff;box-shadow:var(--sh-1)}
.btn-main:hover{background:var(--brand-800);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-accent{background:var(--accent-500);color:#fff;box-shadow:var(--sh-1)}
.btn-accent:hover{background:var(--accent-700);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-accent:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn-ghost{background:#fff;color:var(--brand-600);border:1.5px solid var(--brand-line)}
.btn-ghost:hover{background:var(--brand-100);border-color:var(--brand-600);color:var(--brand-800)}
.btn-ghost:active{background:var(--brand-100);transform:translateY(0)}
.btn-main:focus-visible,.btn-ghost:focus-visible{box-shadow:0 0 0 3px rgba(21,84,166,.25)}
.btn-accent:focus-visible{box-shadow:0 0 0 3px rgba(242,121,43,.28)}
.btn-lg{height:52px;padding:0 30px;font-size:17px}
.btn-block{width:100%}

/* ---------- 徽章 ---------- */
.badge-soft{display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:999px;background:var(--brand-100);color:var(--brand-600);font-size:12px;font-weight:600;line-height:1.8}
.badge-ok{background:var(--ok-100);color:var(--ok-500)}
.badge-warn{background:var(--accent-100);color:var(--accent-700)}
.dot-ok{display:inline-block;width:6px;height:6px;border-radius:50%;background:var(--ok-500);animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 分类横幅 ---------- */
.page-banner{
  position:relative;
  background-image:linear-gradient(100deg,rgba(255,255,255,.95) 0%,rgba(255,255,255,.88) 46%,rgba(232,241,251,.68) 100%),url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  padding:64px 0 56px;
  min-height:260px;
  display:flex;
  align-items:flex-end;
}
.banner-inner{max-width:780px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--ink-500);margin-bottom:18px}
.breadcrumb a{color:var(--ink-500)}
.breadcrumb a:hover{color:var(--brand-600)}
.breadcrumb svg{width:13px;height:13px;color:var(--ink-300)}
.breadcrumb .current{color:var(--ink-700)}
.page-title{font-size:40px;line-height:1.25;font-weight:700;margin:14px 0 14px;color:var(--ink-900)}
.page-title em{font-style:normal;color:var(--brand-800)}
.banner-lead{font-size:16px;color:var(--ink-700);max-width:620px}
@media (max-width:1199.98px){.page-title{font-size:32px}}
@media (max-width:575.98px){
  .page-banner{min-height:180px;padding:40px 0 36px}
  .page-title{font-size:26px}
  .banner-lead{font-size:15px}
}

/* ---------- 板块 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
@media (max-width:991.98px){.section{padding:64px 0}}
@media (max-width:575.98px){.section{padding:48px 0}}
.section-head{max-width:760px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-title{font-size:28px;line-height:1.35;font-weight:700;margin:14px 0 14px}
.section-sub{color:var(--ink-500);font-size:16px}
@media (max-width:575.98px){
  .section-head{margin-bottom:32px}
  .section-title{font-size:23px}
}

/* ---------- 交替图文 ---------- */
.alt-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.alt-row + .alt-row{margin-top:72px}
.alt-row.reverse .alt-media{order:2}
.alt-media img{width:100%;aspect-ratio:16/9;object-fit:cover;border-radius:14px;border:1px solid var(--line);box-shadow:var(--sh-2)}
.alt-body h3{font-size:20px;line-height:1.5;margin:14px 0 12px}
.alt-body p{font-size:16px;color:var(--ink-700)}
.check-list{display:grid;gap:10px;margin-top:20px}
.check-list li{display:flex;gap:10px;font-size:15px;color:var(--ink-700);line-height:1.7}
.check-list svg{flex:0 0 auto;width:18px;height:18px;color:var(--ok-500);margin-top:4px}
@media (max-width:991.98px){
  .alt-row{grid-template-columns:1fr;gap:24px}
  .alt-row.reverse .alt-media{order:0}
  .alt-row + .alt-row{margin-top:56px}
}

/* ---------- 排查路线节点 ---------- */
.route-progress{height:8px;border-radius:999px;background:var(--brand-100);overflow:hidden;margin-bottom:32px;border:1px solid var(--brand-line)}
.route-progress span{display:block;height:100%;width:64%;background:var(--brand-600);border-radius:999px}
.route{display:grid;grid-template-columns:repeat(5,1fr);gap:18px}
.route-node{background:#fff;border:1px solid var(--line);border-radius:14px;padding:22px 18px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease}
.route-node:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.route-node .step{width:34px;height:34px;border-radius:10px;background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;font-size:15px}
.route-node h3{font-size:17px;line-height:1.5;margin-bottom:8px}
.route-node p{font-size:14px;color:var(--ink-500);line-height:1.7}
@media (max-width:991.98px){.route{grid-template-columns:repeat(2,1fr)}}
@media (max-width:575.98px){.route{grid-template-columns:1fr}}

/* ---------- 对照表 ---------- */
.table-wrap{overflow-x:auto;background:#fff;border:1px solid var(--line);border-radius:14px;box-shadow:var(--sh-1)}
table.compare{width:100%;min-width:800px;border-collapse:collapse;font-size:15px}
table.compare thead th{background:var(--brand-100);color:var(--brand-800);font-size:14px;font-weight:600;text-align:left;padding:16px;white-space:nowrap;border-bottom:1px solid var(--brand-line)}
table.compare tbody td{padding:16px;border-top:1px solid var(--line);color:var(--ink-700);vertical-align:top;line-height:1.7}
table.compare tbody tr:nth-child(even){background:#FBFDFF}
table.compare tbody tr:hover{background:var(--bg)}
table.compare tbody td:first-child{color:var(--ink-900);font-weight:600}
.table-hint{font-size:13px;color:var(--ink-500);margin-top:14px}
@media (max-width:575.98px){
  table.compare{font-size:14px}
  table.compare thead th,table.compare tbody td{padding:12px}
}

/* ---------- 提示条 ---------- */
.notice{display:flex;gap:14px;background:var(--accent-100);border-left:4px solid var(--accent-500);border-radius:0 12px 12px 0;padding:18px 22px;font-size:15px;color:var(--ink-700);line-height:1.75}
.notice + .notice{margin-top:14px}
.notice svg{flex:0 0 auto;width:20px;height:20px;color:var(--accent-700);margin-top:3px}
.notice strong{color:var(--accent-700);font-weight:600}

/* ---------- 相关入口 ---------- */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
@media (min-width:1200px){.entry-grid{grid-template-columns:repeat(4,1fr)}}
.entry-card{display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);border-radius:14px;padding:24px;box-shadow:var(--sh-1);color:inherit;transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:var(--brand-line);color:inherit}
.entry-card .icon{width:40px;height:40px;border-radius:12px;background:var(--brand-100);color:var(--brand-600);display:grid;place-items:center}
.entry-card .icon svg{width:20px;height:20px}
.entry-card h3{font-size:17px;line-height:1.5;margin:6px 0 0}
.entry-card p{font-size:14px;color:var(--ink-500);line-height:1.7}
.entry-card .more{margin-top:auto;display:inline-flex;align-items:center;gap:6px;color:var(--brand-600);font-size:14px;font-weight:600;padding-top:10px}
.entry-card .more svg{width:15px;height:15px;transition:transform .2s ease}
.entry-card:hover .more svg{transform:translateX(4px)}

/* ---------- CTA 通栏 ---------- */
.cta-band{background:var(--brand-800);color:#fff;padding:64px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:28px;line-height:1.35;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;max-width:640px}
@media (max-width:767.98px){
  .cta-band{padding:48px 0}
  .cta-band h2{font-size:23px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-inner .btn-accent{width:100%}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-800);color:#fff;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px}
.footer-brand .brand-mark{width:40px;height:40px;border-radius:12px;background:rgba(255,255,255,.12);color:#fff;display:grid;place-items:center;margin-bottom:16px}
.footer-brand .brand-mark svg{width:22px;height:22px}
.footer-brand .name{font-size:17px;font-weight:700;color:#fff;margin-bottom:10px}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.85;max-width:34ch}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col a:hover{color:#fff;transform:translateX(2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding-top:20px;display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}
@media (max-width:991.98px){.footer-grid{grid-template-columns:1fr 1fr;gap:32px}}
@media (max-width:575.98px){.footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px}}