/* roulang page: index */
:root{
  --c-primary:#1557D6;
  --c-primary-dark:#0F3FA8;
  --c-primary-soft:#E8EFFE;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFEDE9;
  --c-teal:#12A594;
  --c-teal-soft:#E3F6F3;
  --c-bg:#F5F7FC;
  --c-card:#FFFFFF;
  --c-line:#E4E9F2;
  --c-ink:#0F1729;
  --c-ink-2:#475467;
  --c-ink-3:#98A2B3;
  --c-dark:#0B1223;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(15,23,41,.04);
  --sh-2:0 10px 30px -14px rgba(15,23,41,.12);
  --sh-3:0 18px 40px -16px rgba(15,23,41,.18);
  --sec-y:96px;
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;line-height:1.25;letter-spacing:-.01em}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0}
img{display:block;max-width:100%;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-dark)}
button,input,select{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid rgba(21,87,214,.45);outline-offset:2px;border-radius:6px}
.grid-container{width:100%;max-width:var(--maxw);margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--sec-y) 0}
.section-tight{padding:64px 0}
.section-white{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-title{font-size:30px;line-height:1.3}
.section-desc{margin:10px 0 0;color:var(--c-ink-2);font-size:15px;max-width:660px}
.section-link{flex:0 0 auto;font-size:15px;font-weight:600}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:20px;
}
/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-primary-soft);border-bottom:1px solid rgba(21,87,214,.10);font-size:13px}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px;color:var(--c-primary-dark)}
.topbar-dot{width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;animation:pulse 2s infinite}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(255,90,60,.45)}
  70%{box-shadow:0 0 0 8px rgba(255,90,60,0)}
  100%{box-shadow:0 0 0 0 rgba(255,90,60,0)}
}
.topbar-text{overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-link{margin-left:auto;flex:0 0 auto;font-weight:600;color:var(--c-primary-dark)}
/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60}
.navbar{background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s ease}
.site-header.is-scrolled .navbar{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;min-height:76px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:700;font-size:17px}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  display:grid;place-items:center;color:#fff;font-size:17px;font-weight:700;
  background:linear-gradient(140deg,#1557D6 0%,#2C7BF6 100%);
  box-shadow:0 8px 18px -10px rgba(21,87,214,.85);
}
.brand-text{white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  background:#EEF2F9;padding:5px;border-radius:var(--r-pill);
  overflow-x:auto;scrollbar-width:none;margin:0 auto;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  padding:8px 18px;border-radius:var(--r-pill);font-size:15px;
  color:var(--c-ink-2);white-space:nowrap;transition:background .16s ease,color .16s ease,box-shadow .16s ease;
}
.nav-chip:hover{color:var(--c-primary);background:rgba(255,255,255,.75)}
.nav-chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.nav-text-link{font-size:15px;color:var(--c-ink-2)}
.nav-text-link:hover{color:var(--c-primary)}
/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -12px rgba(21,87,214,.9)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 10px 22px -12px rgba(255,90,60,.9)}
.btn-accent:hover{background:#E8462A;color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--c-ink);border-color:var(--c-line)}
.btn-ghost:hover{border-color:var(--c-primary);background:var(--c-primary-soft);color:var(--c-primary)}
.btn-white{background:#fff;color:var(--c-primary-dark)}
.btn-white:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-outline-white{background:transparent;color:#fff;border-color:rgba(255,255,255,.6)}
.btn-outline-white:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 26px;font-size:16px}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}
/* ---------- 徽章 / 标签 ---------- */
.badge-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);line-height:1.4;
}
.badge-tag.teal{background:var(--c-teal-soft);color:#0C8175}
.badge-tag.accent{background:var(--c-accent-soft);color:#CE3A1E}
/* ---------- 首屏 ---------- */
.hero{position:relative;background:#fff;padding:76px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(21,87,214,.10) 1px,transparent 1px);
  background-size:24px 24px;
}
.hero::after{
  content:"";position:absolute;right:-160px;top:-180px;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,87,214,.10),rgba(21,87,214,0) 70%);pointer-events:none;
}
.hero .grid-container{position:relative;z-index:1}
.hero h1{font-size:44px;line-height:1.25;margin-bottom:20px}
.hero-sub{font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:34em;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:40px}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;list-style:none}
.hero-stats li{min-width:96px}
.hero-stats strong{display:block;font-size:28px;font-weight:700;color:var(--c-ink);line-height:1.2;font-variant-numeric:tabular-nums}
.hero-stats span{font-size:13px;color:var(--c-ink-3)}
.hero-media{margin-top:8px}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;background:var(--c-dark);
  aspect-ratio:4/3;box-shadow:var(--sh-3);
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,18,35,0) 42%,rgba(11,18,35,.78) 100%);
}
.hero-badge{
  position:absolute;z-index:2;display:inline-flex;align-items:center;gap:7px;
  font-size:12px;font-weight:600;padding:7px 13px;border-radius:var(--r-pill);
}
.hero-badge-live{left:18px;bottom:18px;background:rgba(255,255,255,.95);color:var(--c-ink)}
.hero-badge-live i{width:7px;height:7px;border-radius:50%;background:var(--c-accent);animation:pulse 2s infinite}
.hero-badge-plain{right:18px;bottom:18px;background:rgba(11,18,35,.58);color:#fff;backdrop-filter:blur(6px)}
/* ---------- 倒计时 ---------- */
.countdown-wrap{
  display:flex;align-items:center;gap:32px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:30px 32px;box-shadow:var(--sh-1);
}
.countdown-info{flex:1 1 280px;min-width:0}
.countdown-info h2{font-size:22px;margin-bottom:8px}
.countdown-info p{margin:0;font-size:14px;color:var(--c-ink-3)}
.countdown-grid{display:flex;gap:12px;flex:0 0 auto}
.cd-cell{
  width:78px;padding:14px 0;text-align:center;border-radius:var(--r-md);
  border:1px solid var(--c-primary-soft);background:#FBFCFE;
}
.cd-cell b{display:block;font-size:32px;line-height:1.1;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums}
.cd-cell span{font-size:12px;color:var(--c-ink-3)}
.countdown-side{flex:0 0 auto}
/* ---------- 看点列表 ---------- */
.feature-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-xl);overflow:hidden;box-shadow:var(--sh-1)}
.feature-row{
  display:flex;align-items:center;gap:24px;padding:26px 30px;
  border-bottom:1px solid var(--c-line);transition:background .18s ease;
}
.feature-row:last-child{border-bottom:0}
.feature-row:hover{background:#FAFBFE}
.feature-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:50%;
  border:1px solid rgba(21,87,214,.35);color:var(--c-primary);
  display:grid;place-items:center;font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.feature-body{flex:1 1 auto;min-width:0}
.feature-body h3{font-size:18px;margin-bottom:6px}
.feature-body p{margin:0;font-size:14px;color:var(--c-ink-2)}
.feature-tag{flex:0 0 auto}
/* ---------- 订阅带 ---------- */
.subscribe-band{
  background:var(--c-primary-soft);border-radius:var(--r-xl);
  padding:44px;display:flex;gap:44px;align-items:flex-start;flex-wrap:wrap;
}
.subscribe-copy{flex:1 1 340px;min-width:0}
.subscribe-copy h2{font-size:26px;margin-bottom:10px}
.subscribe-copy p{margin:0;font-size:15px}
.subscribe-form{flex:1 1 440px;min-width:0;display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start}
.field{flex:1 1 250px;min-width:0}
.field input{
  width:100%;height:46px;border-radius:10px;border:1px solid rgba(21,87,214,.22);
  background:#fff;padding:0 16px;color:var(--c-ink);font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(21,87,214,.12)}
.agree{flex:1 1 100%;display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-ink-2);margin:0;line-height:1.6}
.agree input{margin-top:4px;flex:0 0 auto}
.form-note{flex:1 1 100%;font-size:13px;min-height:18px;color:var(--c-ink-3)}
.form-note.is-error{color:#CE3A1E}
.form-note.is-ok{color:#0C8175}
/* ---------- 内容列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);color:inherit;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(21,87,214,.25);color:inherit}
.news-media{aspect-ratio:16/9;overflow:hidden;background:#EEF2F9}
.news-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-media img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.news-body h3{
  font-size:17px;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color .18s ease;
}
.news-card:hover .news-body h3{color:var(--c-primary)}
.news-body p{
  margin:0;font-size:14px;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--c-ink-3);
}
.news-meta .more{color:var(--c-primary);font-weight:600}
.empty-state{
  grid-column:1 / -1;text-align:center;padding:64px 24px;
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-lg);
}
.empty-state strong{display:block;font-size:16px;color:var(--c-ink-2);margin-bottom:8px}
.empty-state span{font-size:14px;color:var(--c-ink-3)}
/* ---------- 分类快捷入口 ---------- */
.cat-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px}
.cat-block{
  display:flex;flex-direction:column;background:#fff;color:inherit;
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.cat-block:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(21,87,214,.25);color:inherit}
.cat-thumb{aspect-ratio:16/7;overflow:hidden;background:#EEF2F9}
.cat-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.cat-block:hover .cat-thumb img{transform:scale(1.04)}
.cat-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.cat-body h3{font-size:20px}
.cat-body p{margin:0;font-size:14px;color:var(--c-ink-2)}
.cat-more{margin-top:auto;padding-top:12px;font-size:14px;font-weight:600;color:var(--c-primary)}
/* ---------- 数据面板 ---------- */
.metrics{background:var(--c-dark);border-radius:var(--r-xl);padding:52px;color:rgba(255,255,255,.72);position:relative;overflow:hidden}
.metrics::after{
  content:"";position:absolute;left:-120px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,87,214,.45),rgba(21,87,214,0) 70%);
}
.metrics-inner{position:relative;z-index:1}
.metrics h2{color:#fff;font-size:30px}
.metrics .metrics-desc{margin:12px 0 0;font-size:15px;color:rgba(255,255,255,.66);max-width:700px}
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.metric{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-md);padding:22px}
.metric b{display:block;font-size:30px;font-weight:700;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums}
.metric span{font-size:13px;color:rgba(255,255,255,.62)}
/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);overflow:hidden}
.faq-q{
  width:100%;background:none;border:0;text-align:left;cursor:pointer;
  padding:20px 24px;display:flex;align-items:center;gap:14px;
  font-size:16px;font-weight:600;color:var(--c-ink);
}
.faq-q .q-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:13px;font-weight:700;
}
.faq-q .chev{margin-left:auto;flex:0 0 auto;color:var(--c-ink-3);transition:transform .2s ease}
.faq-item.is-open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;background:#F8FAFD;border-left:2px solid var(--c-primary);transition:max-height .28s ease}
.faq-a p{margin:0;padding:18px 24px;font-size:15px;color:var(--c-ink-2)}
.faq-item.is-open .faq-a{max-height:400px}
/* ---------- 底部 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,#0F3FA8 0%,#1557D6 55%,#2C7BF6 100%);
  border-radius:var(--r-xl);padding:56px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-copy{position:relative;z-index:1;flex:1 1 420px;min-width:0}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.84);margin:0;font-size:16px;max-width:640px}
.cta-actions{position:relative;z-index:1;display:flex;gap:14px;flex-wrap:wrap}
/* ---------- 页脚 ---------- */
.site-footer{background:#0B1223;color:rgba(255,255,255,.66);margin-top:96px;padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-brand .brand-mark{width:34px;height:34px;font-size:16px}
.footer-desc{font-size:14px;line-height:1.85;color:rgba(255,255,255,.6);margin-bottom:18px}
.footer-note{font-size:13px;color:rgba(255,255,255,.42);margin:0}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;display:grid;gap:10px}
.footer-links a{color:rgba(255,255,255,.66);font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.10);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.45);
}
.footer-bottom a{color:rgba(255,255,255,.55)}
.footer-bottom a:hover{color:#fff}
/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sec-y:72px}
  .hero{padding:56px 0 64px}
  .hero h1{font-size:34px}
  .nav-inner{flex-wrap:wrap;gap:14px;padding:12px 0;min-height:0}
  .nav-chips{order:3;width:100%;margin:0;justify-content:flex-start}
  .nav-actions{margin-left:auto}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .cat-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .subscribe-band{padding:32px;gap:28px}
  .metrics{padding:40px 32px}
  .cta-band{padding:40px 32px}
}
@media screen and (max-width:639px){
  :root{--sec-y:56px}
  .grid-container{padding-left:16px;padding-right:16px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:16px}
  .hero-stats{gap:24px}
  .hero-stats strong{font-size:24px}
  .section-title{font-size:24px}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px}
  .news-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
  .metric b{font-size:24px}
  .footer-grid{grid-template-columns:1fr}
  .cd-cell{width:64px;padding:10px 0}
  .cd-cell b{font-size:24px}
  .countdown-wrap{padding:22px 20px;gap:20px}
  .countdown-grid{width:100%;justify-content:space-between}
  .feature-row{flex-wrap:wrap;gap:14px;padding:22px 20px}
  .feature-tag{width:100%}
  .metrics{padding:32px 22px}
  .cta-band{padding:32px 22px}
  .cta-band h2{font-size:24px}
  .subscribe-band{padding:26px 20px}
}

/* roulang page: article */
:root{
  --c-primary:#1557D6;
  --c-primary-dark:#0F3FA8;
  --c-primary-soft:#E8EFFE;
  --c-accent:#FF5A3C;
  --c-teal:#12A594;
  --c-bg:#F5F7FC;
  --c-card:#FFFFFF;
  --c-line:#E4E9F2;
  --c-ink:#0F1729;
  --c-ink-2:#475467;
  --c-ink-3:#98A2B3;
  --c-dark:#0F1729;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,23,41,.04);
  --sh-2:0 10px 30px -14px rgba(15,23,41,.12);
  --sh-3:0 18px 40px -16px rgba(15,23,41,.18);
  --sp-section:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{
  margin:0;
  color:var(--c-ink);
  font-weight:700;
  line-height:1.25;
  letter-spacing:-0.01em;
}
p{margin:0}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease}
a:hover{color:var(--c-primary-dark)}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit;font-size:inherit;cursor:pointer}
input,textarea,select{font-family:inherit;font-size:16px}
:focus-visible{outline:2px solid rgba(21,87,214,.45);outline-offset:2px;border-radius:6px}
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;margin:0 auto}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-margin-x>.cell{margin-left:12px;margin-right:12px}
::selection{background:var(--c-primary-soft);color:var(--c-ink)}

/* 阅读进度 */
.read-progress{
  position:fixed;top:0;left:0;height:3px;width:0;
  background:linear-gradient(90deg,var(--c-primary),var(--c-teal));
  z-index:1200;transition:width .12s linear;
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease,border-color .16s ease,color .16s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-2)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--c-line);color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-2)}
.btn-accent:hover{background:#E8482B;color:#fff;transform:translateY(-1px)}
.btn[disabled],.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none}

/* 徽章 / 标签 */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1.5;
}
.badge-blue{background:var(--c-primary-soft);color:var(--c-primary)}
.badge-teal{background:#E4F6F2;color:#0C7D70}
.badge-accent{background:#FFEDE9;color:#C93A1F}
.dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);display:inline-block;animation:pulse 1.6s ease-in-out infinite}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.5);opacity:.5}}

/* 顶部公告条 */
.site-header{position:sticky;top:0;z-index:900;background:#fff}
.topbar{background:var(--c-primary-soft);border-bottom:1px solid rgba(21,87,214,.08)}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px;font-size:13px;color:#2C4C86}
.topbar-text{flex:1 1 auto;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar-link{flex:0 0 auto;font-weight:600;color:var(--c-primary)}
.topbar-link:hover{color:var(--c-primary-dark)}

/* 主导航 */
.navbar{border-bottom:1px solid var(--c-line);background:#fff}
.site-header.is-scrolled .navbar{box-shadow:var(--sh-2)}
.nav-inner{display:flex;align-items:center;gap:28px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--c-ink);font-weight:700}
.brand:hover{color:var(--c-ink)}
.brand-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,#1557D6,#3E7BEF);
  color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;
  box-shadow:var(--sh-2);
}
.brand-text{font-size:16px;letter-spacing:-0.01em;white-space:nowrap}
.nav-chips{
  display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0;
  background:#EEF2F9;padding:5px;border-radius:var(--r-pill);
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  padding:8px 16px;border-radius:var(--r-pill);font-size:15px;
  color:var(--c-ink-2);white-space:nowrap;transition:background-color .16s ease,color .16s ease,box-shadow .16s ease;
}
.nav-chip:hover{color:var(--c-primary);background:rgba(255,255,255,.7)}
.nav-chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.nav-actions{display:flex;align-items:center;gap:18px;flex:0 0 auto;margin-left:auto}
.nav-text-link{font-size:15px;color:var(--c-ink-2);font-weight:500}
.nav-text-link:hover{color:var(--c-primary)}

/* 面包屑 */
.crumb-bar{padding:22px 0 0}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3)}
.crumbs a{color:var(--c-ink-3)}
.crumbs a:hover{color:var(--c-primary)}
.crumbs .sep{color:#CBD5E5}
.crumbs .current{
  max-width:46ch;overflow:hidden;white-space:nowrap;text-overflow:ellipsis;color:var(--c-ink-2);
}

/* 文章头部 */
.article-head{padding:20px 0 34px;border-bottom:1px solid var(--c-line);margin-bottom:40px}
.article-head-main{max-width:900px}
.article-eyebrow{display:flex;align-items:center;gap:10px;margin-bottom:16px;flex-wrap:wrap}
.article-title{
  font-size:44px;line-height:1.25;font-weight:700;color:var(--c-ink);
  letter-spacing:-0.01em;margin-bottom:18px;
}
.article-lead{font-size:17px;color:var(--c-ink-2);max-width:760px;margin-bottom:22px}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-3)}
.article-meta .sep{color:#CBD5E5}
.article-meta time{font-variant-numeric:tabular-nums}

/* 文章主体布局 */
.article-layout{padding-bottom:80px}
.article-main{min-width:0}
.article-side{min-width:0}
.side-sticky{position:sticky;top:112px}
.side-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.side-title{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-title i{color:var(--c-primary)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;font-size:14px;color:var(--c-ink-2);padding:7px 10px;border-radius:var(--r-sm);
  border-left:2px solid transparent;line-height:1.6;
}
.toc-list a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.toc-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600}
.toc-empty{font-size:13px;color:var(--c-ink-3);line-height:1.7}
.side-sub{margin-top:20px;padding-top:20px;border-top:1px dashed var(--c-line)}
.side-sub p{font-size:13px;color:var(--c-ink-3);margin-bottom:12px}

/* 正文排版 */
.article-body{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-xl);
  padding:44px 48px;box-shadow:var(--sh-1);
}
.prose{font-size:17px;line-height:1.85;color:#3C4A60}
.prose>*+*{margin-top:20px}
.prose h2{
  font-size:26px;margin-top:40px;padding-left:14px;border-left:3px solid var(--c-primary);
  color:var(--c-ink);line-height:1.35;
}
.prose h3{font-size:20px;margin-top:30px;color:var(--c-ink)}
.prose h4{font-size:17px;margin-top:24px;color:var(--c-ink)}
.prose p{margin-top:20px}
.prose ul,.prose ol{margin-top:20px;padding-left:4px}
.prose li{position:relative;padding-left:20px;margin-top:10px}
.prose ul>li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:50%;
  background:var(--c-primary);opacity:.6;
}
.prose ol{counter-reset:proseol}
.prose ol>li{counter-increment:proseol;padding-left:28px}
.prose ol>li::before{
  content:counter(proseol);position:absolute;left:0;top:4px;
  width:20px;height:20px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);font-size:12px;font-weight:700;display:grid;place-items:center;
  font-variant-numeric:tabular-nums;
}
.prose blockquote{
  margin-top:24px;padding:18px 22px;background:#F7F9FE;border-left:3px solid var(--c-primary);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--c-ink-2);
}
.prose blockquote p{margin:0}
.prose img{border-radius:var(--r-md);margin:28px auto 8px;box-shadow:var(--sh-1)}
.prose figure{margin:28px 0}
.prose figcaption{text-align:center;font-size:13px;color:var(--c-ink-3);margin-top:10px}
.prose a{font-weight:600;border-bottom:1px solid rgba(21,87,214,.35)}
.prose a:hover{border-bottom-color:var(--c-primary-dark)}
.prose strong{color:var(--c-ink);font-weight:700}
.prose table{width:100%;border-collapse:collapse;margin-top:24px;font-size:15px}
.prose th,.prose td{border:1px solid var(--c-line);padding:10px 14px;text-align:left}
.prose th{background:#F7F9FE;color:var(--c-ink);font-weight:600}
.prose code{background:#F2F5FB;border-radius:6px;padding:2px 6px;font-size:14px;color:#2C4C86}

/* 空状态 */
.empty-state{text-align:center;padding:40px 10px}
.empty-icon{
  width:56px;height:56px;margin:0 auto 18px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:grid;place-items:center;font-size:22px;font-weight:700;
}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{max-width:460px;margin:0 auto 24px;color:var(--c-ink-3);font-size:15px}

/* 标签行 */
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:24px;border-top:1px solid var(--c-line)}
.tag-row .label{font-size:13px;color:var(--c-ink-3);margin-right:2px}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  background:#F2F5FB;color:var(--c-ink-2);font-size:13px;border:1px solid transparent;
}
.tag:hover{background:var(--c-primary-soft);color:var(--c-primary);border-color:rgba(21,87,214,.2)}

/* 通用板块 */
.section{padding-top:var(--sp-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px}
.section-head h2{font-size:30px}
.section-head p{margin-top:8px;font-size:15px;color:var(--c-ink-3)}
.section-more{font-size:14px;font-weight:600;white-space:nowrap}

/* 相关推荐卡片 */
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{
  display:flex;flex-direction:column;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:rgba(21,87,214,.25)}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:#E9EEF7}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-thumb .badge{position:absolute;left:12px;top:12px;backdrop-filter:blur(4px)}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.rec-body h3{font-size:17px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-card:hover h3{color:var(--c-primary)}
.rec-body p{font-size:14px;color:var(--c-ink-3);line-height:1.7;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-meta{margin-top:auto;padding-top:12px;border-top:1px dashed var(--c-line);font-size:13px;color:var(--c-ink-3);display:flex;align-items:center;justify-content:space-between;gap:10px}

/* 返回入口 */
.back-row{margin-top:36px;display:flex;flex-wrap:wrap;align-items:center;gap:14px}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:340px minmax(0,1fr);gap:40px;align-items:start}
.faq-intro h2{font-size:30px;margin-bottom:14px}
.faq-intro p{font-size:15px;color:var(--c-ink-3)}
.faq-list{display:flex;flex-direction:column;gap:12px}
.faq-item{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease}
.faq-item.is-open{border-color:rgba(21,87,214,.3);box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;gap:14px;text-align:left;
  background:none;border:0;padding:20px 22px;color:var(--c-ink);font-size:16px;font-weight:600;
}
.faq-index{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;background:var(--c-primary-soft);
  color:var(--c-primary);display:grid;place-items:center;font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;
}
.faq-q .faq-caret{margin-left:auto;color:var(--c-ink-3);transition:transform .2s ease;font-size:13px}
.faq-item.is-open .faq-caret{transform:rotate(180deg);color:var(--c-primary)}
.faq-a{display:none;padding:0 22px 22px 62px;font-size:15px;color:var(--c-ink-2)}
.faq-item.is-open .faq-a{display:block}
.faq-a p{background:#F7F9FE;border-left:2px solid var(--c-primary);border-radius:0 var(--r-sm) var(--r-sm) 0;padding:14px 16px}

/* CTA */
.cta-band{
  margin-top:var(--sp-section);
  background:linear-gradient(135deg,#0F1729,#16294A);
  border-radius:var(--r-xl);padding:52px;color:#C6D2E6;
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,440px);gap:40px;align-items:center;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,87,214,.5),transparent 70%);pointer-events:none;
}
.cta-band h2{color:#fff;font-size:30px;margin-bottom:14px}
.cta-band p{font-size:15px;color:#9EB0CC;max-width:520px}
.cta-stats{display:flex;gap:32px;margin-top:26px;flex-wrap:wrap}
.cta-stat strong{display:block;font-size:24px;color:#fff;font-variant-numeric:tabular-nums;line-height:1.3}
.cta-stat span{font-size:13px;color:#8296B5}
.cta-form{position:relative;z-index:1;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--r-lg);padding:24px}
.cta-form h3{color:#fff;font-size:17px;margin-bottom:16px}
.field-row{display:flex;gap:10px}
.input{
  flex:1 1 auto;min-width:0;height:44px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;padding:0 14px;color:var(--c-ink);transition:border-color .16s ease,box-shadow .16s ease;
}
.input::placeholder{color:#A9B4C6}
.input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(21,87,214,.12)}
.cta-check{display:flex;align-items:flex-start;gap:8px;margin-top:14px;font-size:13px;color:#9EB0CC}
.cta-check input{margin-top:4px;accent-color:var(--c-primary)}
.form-msg{margin-top:12px;font-size:13px;color:#7DE0D0;display:none}
.form-msg.is-show{display:block}

/* 页脚 */
.site-footer{background:#0B1220;color:#8C9CBB;margin-top:var(--sp-section);padding-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:16px;margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.8;color:#8C9CBB;max-width:340px}
.footer-note{margin-top:12px;font-size:13px;color:#5F6F8E}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:#8C9CBB}
.footer-links a:hover{color:#fff}
.footer-bottom{
  margin-top:48px;padding:22px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#5F6F8E;
}

/* 响应式 */
@media screen and (max-width:1199px){
  .article-title{font-size:36px}
  .article-body{padding:36px 32px}
  .faq-wrap{grid-template-columns:280px minmax(0,1fr);gap:28px}
}
@media screen and (max-width:1023px){
  :root{--sp-section:72px}
  .nav-inner{gap:16px}
  .brand-text{font-size:15px}
  .nav-chips{order:3;flex-basis:100%;margin-bottom:12px}
  .nav-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;min-height:auto}
  .nav-actions{margin-left:auto}
  .article-title{font-size:32px}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-wrap{grid-template-columns:minmax(0,1fr)}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:40px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .side-sticky{position:static;margin-top:32px}
}
@media screen and (max-width:639px){
  :root{--sp-section:56px}
  .grid-container{padding-left:16px;padding-right:16px}
  .topbar-text{font-size:12px}
  .nav-actions .nav-text-link{display:none}
  .brand-text{max-width:140px;overflow:hidden;text-overflow:ellipsis}
  .article-title{font-size:26px}
  .article-body{padding:26px 20px;border-radius:var(--r-lg)}
  .prose{font-size:16px}
  .prose h2{font-size:22px;margin-top:32px}
  .article-head{padding-bottom:26px;margin-bottom:28px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .section-head{flex-direction:column;align-items:flex-start;gap:10px}
  .section-head h2{font-size:24px}
  .cta-band{padding:28px 22px;border-radius:var(--r-lg)}
  .cta-band h2{font-size:24px}
  .field-row{flex-direction:column}
  .cta-stats{gap:22px}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:28px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: category1 */
:root{
  --c-primary:#1557D6;
  --c-primary-dark:#0F3FA8;
  --c-primary-soft:#E8EFFE;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFEDE8;
  --c-teal:#12A594;
  --c-teal-soft:#E3F5F1;
  --c-bg:#F5F7FC;
  --c-card:#FFFFFF;
  --c-line:#E4E9F2;
  --c-ink:#0F1729;
  --c-ink-2:#475467;
  --c-ink-3:#98A2B3;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-xl:24px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(15,23,41,.04);
  --sh-2:0 10px 30px -14px rgba(15,23,41,.12);
  --sh-3:0 18px 40px -16px rgba(15,23,41,.18);
  --sp-section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--c-ink-2);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-0.01em;line-height:1.3;font-weight:700;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid rgba(21,87,214,.45);outline-offset:2px;border-radius:6px;}

.grid-container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--c-primary-soft);border-bottom:1px solid #DCE6FA;}
.topbar-inner{
  display:flex;align-items:center;gap:10px;
  min-height:36px;font-size:13px;color:#2A4B96;
}
.topbar-dot{
  width:8px;height:8px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(255,90,60,.14);
  animation:pulse 1.8s infinite ease-in-out;
}
@keyframes pulse{
  0%,100%{transform:scale(1);opacity:1;}
  50%{transform:scale(1.18);opacity:.75;}
}
.topbar-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.topbar-link{color:var(--c-primary);font-weight:600;white-space:nowrap;}
.topbar-link:hover{color:var(--c-primary-dark);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;}
.navbar{background:#fff;border-bottom:1px solid var(--c-line);}
.site-header.is-scrolled .navbar{box-shadow:var(--sh-2);}
.nav-inner{
  display:flex;align-items:center;gap:32px;
  min-height:72px;padding:10px 0;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--c-primary),#3C7BEE);
  color:#fff;font-size:17px;font-weight:700;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 8px 18px -10px rgba(21,87,214,.75);
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-0.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--c-primary);}
.nav-chips{
  display:flex;align-items:center;gap:6px;
  background:#EEF2F9;border-radius:var(--r-pill);
  padding:5px;flex:1 1 auto;min-width:0;
  overflow-x:auto;scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none;}
.nav-chip{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;color:var(--c-ink-2);white-space:nowrap;
  transition:background .16s ease,color .16s ease,box-shadow .16s ease;
}
.nav-chip:hover{color:var(--c-primary);background:rgba(255,255,255,.75);}
.nav-chip.is-active{background:#fff;color:var(--c-primary);box-shadow:var(--sh-1);}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.nav-text-link{font-size:15px;font-weight:600;color:var(--c-ink-2);}
.nav-text-link:hover{color:var(--c-primary);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(21,87,214,.9);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 26px -14px rgba(15,63,168,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:#C9D8F5;}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary-dark);}
.btn-light{background:#fff;color:var(--c-ink);border-color:var(--c-line);}
.btn-light:hover{background:var(--c-primary-soft);border-color:#C9D8F5;color:var(--c-primary-dark);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.btn-block{width:100%;}
.btn:disabled,.btn.is-disabled{opacity:.55;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0;}
.section-alt{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.section-head{max-width:760px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.04em;
  color:var(--c-primary);text-transform:none;margin-bottom:14px;
}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-primary);}
.section-title{font-size:30px;}
.section-sub{margin-top:14px;font-size:16px;color:var(--c-ink-2);}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--c-ink-3);padding:20px 0 0;
}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb span{color:var(--c-ink-2);font-weight:600;}

/* ---------- 页面首屏 ---------- */
.page-hero{
  background:
    radial-gradient(circle at 88% 12%, rgba(21,87,214,.07), transparent 55%),
    linear-gradient(180deg,#FBFCFE 0%, var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
  padding-bottom:72px;
}
.hero-grid{margin-top:32px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;letter-spacing:.02em;
}
.badge-soft{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.badge-accent{background:var(--c-accent-soft);color:#C7381F;}
.badge-teal{background:var(--c-teal-soft);color:#0B6F63;}
.badge-line{background:#fff;color:var(--c-ink-2);border:1px solid var(--c-line);}
.page-hero h1{font-size:44px;line-height:1.25;margin:18px 0 0;max-width:15em;}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--c-ink-2);max-width:36em;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:0;margin-top:36px;
  border-top:1px solid var(--c-line);padding-top:22px;
}
.hero-stat{padding-right:32px;margin-right:32px;border-right:1px solid var(--c-line);}
.hero-stat:last-child{border-right:0;margin-right:0;padding-right:0;}
.hero-stat strong{
  display:block;font-size:28px;color:var(--c-ink);font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat span{font-size:13px;color:var(--c-ink-3);}
.hero-media{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.6);
  aspect-ratio:4/3;
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media-tag{
  position:absolute;left:18px;bottom:18px;
  background:rgba(15,23,41,.78);color:#fff;backdrop-filter:blur(6px);
  padding:7px 14px;border-radius:var(--r-pill);font-size:13px;font-weight:600;
  display:inline-flex;align-items:center;gap:8px;
}
.hero-media-tag i{color:var(--c-accent);}

/* ---------- 锚点条 ---------- */
.anchor-bar{
  background:#fff;border-bottom:1px solid var(--c-line);
  padding:14px 0;position:sticky;top:108px;z-index:40;
}
.anchor-scroll{display:flex;gap:8px;overflow-x:auto;scrollbar-width:none;}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-chip{
  display:inline-flex;align-items:center;gap:8px;white-space:nowrap;
  padding:8px 16px;border-radius:var(--r-pill);
  background:#F1F4FA;color:var(--c-ink-2);font-size:14px;font-weight:600;
  border:1px solid transparent;
}
.anchor-chip:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:#CFDDF8;}
.anchor-chip i{font-size:12px;color:var(--c-primary);}

/* ---------- 步骤列表 ---------- */
.step-panel{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;
}
.step-item{
  display:flex;gap:20px;padding:26px 28px;
  border-bottom:1px solid var(--c-line);
  transition:background .18s ease;
}
.step-item:last-child{border-bottom:0;}
.step-item:hover{background:#FAFCFF;}
.step-num{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;
  border:1px solid #CFDDF8;background:var(--c-primary-soft);
  color:var(--c-primary-dark);font-weight:700;font-size:15px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.step-body h3{font-size:19px;margin-bottom:8px;}
.step-body p{font-size:15px;color:var(--c-ink-2);line-height:1.8;margin:0;}
.step-meta{margin-top:10px;display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--c-teal);font-weight:600;}

.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-2);padding:26px;
}
.side-card h3{font-size:19px;margin-bottom:14px;}
.side-cover{border-radius:var(--r-md);overflow:hidden;aspect-ratio:16/9;margin-bottom:20px;}
.side-cover img{width:100%;height:100%;object-fit:cover;}
.side-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:15px;color:var(--c-ink-2);
  border-bottom:1px dashed var(--c-line);
}
.side-list li:last-child{border-bottom:0;}
.side-list i{color:var(--c-primary);font-size:13px;margin-top:7px;}

/* ---------- 场景块 ---------- */
.scene-card{
  height:100%;padding:24px;border-radius:var(--r-lg);
  background:var(--c-card);border:1px solid var(--c-line);
  box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--sh-3);border-color:#CFDDF8;}
.scene-icon{
  width:42px;height:42px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:17px;margin-bottom:16px;
}
.scene-card.is-accent .scene-icon{background:var(--c-accent-soft);color:var(--c-accent);}
.scene-card.is-teal .scene-icon{background:var(--c-teal-soft);color:var(--c-teal);}
.scene-card h3{font-size:18px;margin-bottom:8px;}
.scene-card p{font-size:14px;color:var(--c-ink-2);line-height:1.75;margin:0;}

/* ---------- 安全清单 ---------- */
.check-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:8px 26px;
}
.check-row{
  display:flex;align-items:flex-start;gap:14px;
  padding:18px 0;border-bottom:1px solid var(--c-line);
}
.check-row:last-child{border-bottom:0;}
.check-mark{
  flex:0 0 auto;width:22px;height:22px;border-radius:7px;
  background:var(--c-primary);color:#fff;font-size:11px;
  display:flex;align-items:center;justify-content:center;margin-top:5px;
}
.check-row.is-teal .check-mark{background:var(--c-teal);}
.check-text strong{display:block;font-size:16px;color:var(--c-ink);margin-bottom:4px;}
.check-text span{font-size:14px;color:var(--c-ink-2);}

.risk-card{
  background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-primary);
  border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);
  height:100%;
}
.risk-card h3{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:10px;}
.risk-card h3 i{color:var(--c-primary);font-size:15px;}
.risk-card p{font-size:14px;line-height:1.8;margin:0;color:var(--c-ink-2);}
.risk-card ul li{font-size:14px;color:var(--c-ink-2);padding:5px 0 5px 16px;position:relative;}
.risk-card ul li::before{
  content:"";position:absolute;left:0;top:14px;
  width:6px;height:6px;border-radius:50%;background:var(--c-primary);
}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;}
.faq-wrap .accordion{margin:0;background:transparent;border:0;}
.faq-wrap .accordion-item{border-bottom:1px solid var(--c-line);}
.faq-wrap .accordion-item:last-child{border-bottom:0;}
.faq-wrap .accordion-title{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px 26px;font-size:17px;font-weight:600;color:var(--c-ink);
  border:0;background:transparent;line-height:1.6;
  transition:background .18s ease,color .18s ease;
}
.faq-wrap .accordion-title::before{display:none;}
.faq-wrap .accordion-title:hover{background:#FAFCFF;color:var(--c-primary);}
.faq-wrap .accordion-title .faq-mark{
  flex:0 0 auto;width:26px;height:26px;border-radius:9px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin-top:2px;
}
.faq-wrap .accordion-title::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:12px;color:var(--c-ink-3);margin-left:auto;transition:transform .2s ease;
}
.faq-wrap .accordion-item.is-active .accordion-title::after{transform:rotate(180deg);color:var(--c-primary);}
.faq-wrap .accordion-content{
  padding:0 26px 24px 66px;background:#FAFCFF;border:0;
  border-left:2px solid var(--c-primary);font-size:15px;color:var(--c-ink-2);line-height:1.85;
}
.faq-wrap .accordion-content p{margin:0;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:linear-gradient(120deg,#0F3FA8 0%, #1557D6 62%, #2C6CE8 100%);
  padding:56px;
  box-shadow:var(--sh-3);
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:rgba(255,255,255,.08);
}
.cta-inner{position:relative;z-index:2;}
.cta-band h2{color:#fff;font-size:30px;}
.cta-band p{color:rgba(255,255,255,.82);font-size:16px;margin-top:14px;max-width:34em;}
.cta-form{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px;}
.cta-form input[type="text"]{
  flex:1 1 240px;height:44px;border-radius:10px;border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);color:#fff;padding:0 16px;font-size:15px;
}
.cta-form input[type="text"]::placeholder{color:rgba(255,255,255,.6);}
.cta-form input[type="text"]:focus{outline:none;border-color:#fff;background:rgba(255,255,255,.2);}
.cta-form .btn-primary{background:#fff;color:var(--c-primary);box-shadow:none;}
.cta-form .btn-primary:hover{background:#EEF4FF;color:var(--c-primary-dark);}
.cta-consent{
  display:flex;align-items:flex-start;gap:10px;
  margin-top:16px;font-size:13px;color:rgba(255,255,255,.78);
}
.cta-consent input{margin-top:5px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0F1729;color:#98A2B3;margin-top:0;}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 40px;
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;}
.footer-desc{font-size:14px;line-height:1.85;margin-top:16px;color:#98A2B3;}
.footer-note{font-size:13px;color:#6B7688;margin-top:12px;}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-links li{padding:6px 0;}
.footer-links a{font-size:14px;color:#98A2B3;}
.footer-links a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  border-top:1px solid rgba(255,255,255,.08);
  padding:22px 0 30px;font-size:13px;color:#6B7688;
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  :root{--sp-section:72px;}
  .page-hero h1{font-size:36px;}
  .section-title{font-size:26px;}
  .hero-grid{gap:32px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media screen and (max-width:1023px){
  .nav-inner{flex-wrap:wrap;gap:14px;padding:12px 0;}
  .brand{order:1;}
  .nav-actions{order:2;margin-left:auto;}
  .nav-chips{order:3;width:100%;flex:0 0 100%;}
  .hero-stat{padding-right:22px;margin-right:22px;}
  .hero-media{margin-top:32px;aspect-ratio:16/10;}
  .side-card{margin-top:28px;}
  .anchor-bar{position:static;}
}
@media screen and (max-width:767px){
  :root{--sp-section:56px;}
  .grid-container{padding-left:16px;padding-right:16px;}
  .topbar-inner{font-size:12px;}
  .topbar-text{white-space:normal;line-height:1.5;padding:8px 0;}
  .page-hero h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .hero-stats{gap:18px;flex-direction:column;border-top:0;padding-top:0;}
  .hero-stat{border-right:0;padding:0;margin:0;}
  .hero-stat strong{font-size:24px;}
  .section-title{font-size:24px;}
  .step-item{padding:20px 18px;gap:14px;}
  .step-num{width:38px;height:38px;border-radius:12px;font-size:14px;}
  .check-panel{padding:4px 18px;}
  .faq-wrap .accordion-title{padding:18px 18px;font-size:16px;}
  .faq-wrap .accordion-content{padding:0 18px 20px 58px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-lg);}
  .cta-band h2{font-size:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:44px 0 28px;}
  .footer-bottom{flex-direction:column;}
}
@media screen and (max-width:519px){
  .brand-text{font-size:15px;}
  .hero-actions .btn{width:100%;}
  .cta-form .btn{width:100%;}
}

/* roulang page: category2 */
:root{
  --c-primary:#1557D6;
  --c-primary-dark:#0F3FA8;
  --c-primary-soft:#E8EFFE;
  --c-accent:#FF5A3C;
  --c-accent-soft:#FFEDE8;
  --c-accent-ink:#C23A20;
  --c-teal:#12A594;
  --c-teal-soft:#E4F7F4;
  --c-teal-ink:#0B7A6D;
  --c-bg:#F5F7FC;
  --c-card:#FFFFFF;
  --c-line:#E4E9F2;
  --c-line-2:#D3DDF0;
  --c-ink:#0F1729;
  --c-ink-2:#475467;
  --c-ink-3:#98A2B3;
  --c-dark:#0B1220;
  --c-dark-2:#131C31;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  --r-sm:8px;--r-md:12px;--r-lg:16px;--r-xl:24px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(15,23,41,.04);
  --sh-2:0 10px 30px -14px rgba(15,23,41,.12);
  --sh-3:0 18px 40px -16px rgba(15,23,41,.18);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--c-bg);color:var(--c-ink-2);
  font-family:var(--font-cn);font-size:16px;line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-.01em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-dark)}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid rgba(21,87,214,.45);outline-offset:2px;border-radius:6px}
.grid-container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.section{padding:var(--sec) 0}
.section-alt{background:#fff}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-head h2{font-size:30px;margin-bottom:10px}
.section-sub{font-size:15px;color:var(--c-ink-2);max-width:640px}
.link-more{font-size:14px;font-weight:600;white-space:nowrap}
.link-more i{font-style:normal;display:inline-block;transition:transform .18s ease}
.link-more:hover i{transform:translateX(4px)}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(15,23,41,.35)}
.topbar{background:var(--c-primary-soft);border-bottom:1px solid #DCE6FA}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:36px;font-size:13px;color:var(--c-primary-dark)}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--c-accent);flex:0 0 auto;animation:pulse 1.8s ease-in-out infinite}
.topbar-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-link{font-weight:600;color:var(--c-primary-dark);white-space:nowrap}
.topbar-link:hover{color:var(--c-primary)}
@keyframes pulse{0%,100%{transform:scale(1);opacity:1}50%{transform:scale(1.35);opacity:.55}}
.navbar{background:#fff;border-bottom:1px solid var(--c-line)}
.nav-inner{display:flex;align-items:center;gap:24px;min-height:68px;padding:10px 0}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;background:linear-gradient(140deg,var(--c-primary) 0%,#2C7BF0 100%);
  color:#fff;font-weight:700;font-size:18px;display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px -8px rgba(21,87,214,.85);
}
.brand-text{font-size:17px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em}
.nav-chips{
  display:flex;align-items:center;gap:4px;background:#EEF2F9;border-radius:var(--r-pill);
  padding:4px;overflow-x:auto;scrollbar-width:none;flex:1 1 auto;max-width:640px;
}
.nav-chips::-webkit-scrollbar{display:none}
.nav-chip{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);white-space:nowrap;transition:background .16s ease,color .16s ease,box-shadow .16s ease;
}
.nav-chip:hover{color:var(--c-primary);background:rgba(255,255,255,.7)}
.nav-chip.is-active{background:#fff;color:var(--c-primary);font-weight:600;box-shadow:var(--sh-1)}
.nav-actions{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto}
.nav-text-link{font-size:14px;color:var(--c-ink-2);font-weight:500}
.nav-text-link:hover{color:var(--c-primary)}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:10px;border:1px solid transparent;
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(21,87,214,.9)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;border-color:var(--c-line-2);color:var(--c-ink)}
.btn-ghost:hover{background:var(--c-primary-soft);border-color:var(--c-primary);color:var(--c-primary-dark)}
.btn-accent{background:var(--c-accent);color:#fff}
.btn-accent:hover{background:#E8482A;color:#fff;transform:translateY(-1px)}
.btn-outline-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.4);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.18);color:#fff;border-color:#fff}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px}
.btn:disabled,.btn[disabled]{opacity:.55;cursor:not-allowed;transform:none}

/* ---------- 徽章 / 标签 ---------- */
.badge{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}
.badge-live{background:var(--c-accent-soft);color:var(--c-accent-ink)}
.badge-teal{background:var(--c-teal-soft);color:var(--c-teal-ink)}
.badge-blue{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.badge-mute{background:#F1F3F8;color:var(--c-ink-3)}
.badge-dot{width:6px;height:6px;border-radius:50%;background:currentColor;animation:pulse 1.8s ease-in-out infinite}
.kicker{display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;border-radius:var(--r-pill);font-size:13px;font-weight:600}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;padding:64px 0 84px;
  background:var(--c-dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
}
.hero::before{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(6,12,26,.95) 0%,rgba(9,18,38,.88) 46%,rgba(12,26,52,.74) 100%)}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);background-size:24px 24px;opacity:.55;
}
.hero .grid-container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:20px;flex-wrap:wrap}
.crumb a{color:rgba(255,255,255,.78)}
.crumb a:hover{color:#fff}
.crumb span.sep{color:rgba(255,255,255,.35)}
.hero .kicker{background:rgba(255,255,255,.1);color:#CBD9F5;border:1px solid rgba(255,255,255,.16);margin-bottom:18px}
.hero h1{color:#fff;font-size:44px;line-height:1.22;margin-bottom:18px;max-width:14em}
.hero-sub{color:#B9C6DE;font-size:17px;line-height:1.85;max-width:600px;margin-bottom:30px}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:36px}
.hero-stats{display:flex;gap:36px;flex-wrap:wrap;border-top:1px solid rgba(255,255,255,.12);padding-top:24px}
.hero-stat strong{display:block;font-size:28px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums;line-height:1.2}
.hero-stat span{font-size:13px;color:#8B9BB8}

/* 倒计时卡 */
.countdown-card{background:#fff;border-radius:var(--r-xl);padding:24px;box-shadow:var(--sh-3);border:1px solid rgba(255,255,255,.6)}
.cd-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:6px}
.cd-title{font-size:17px;font-weight:700;color:var(--c-ink)}
.cd-meta{font-size:13px;color:var(--c-ink-3);margin-bottom:16px}
.cd-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:10px;margin-bottom:16px}
.cd-cell{background:#F6F9FF;border:1px solid var(--c-line);border-radius:var(--r-md);padding:12px 4px;text-align:center}
.cd-num{font-size:30px;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.15}
.cd-cell:last-child .cd-num{color:var(--c-accent)}
.cd-unit{font-size:12px;color:var(--c-ink-3);margin-top:2px}
.cd-foot{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13px;color:var(--c-ink-3)}

/* ---------- 速览卡 ---------- */
.overview-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:24px}
.ov-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px;transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease}
.ov-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-2)}
.ov-card-feature{background:var(--c-dark);border-color:#1E2A47;color:#AFBDD6;position:relative;overflow:hidden}
.ov-card-feature::after{content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;background:radial-gradient(circle,rgba(21,87,214,.55),transparent 70%)}
.ov-card-feature h3{color:#fff;font-size:20px;margin-bottom:12px;position:relative;z-index:2}
.ov-card-feature p{position:relative;z-index:2;font-size:14px;color:#A5B3CC}
.ov-card h3{font-size:19px;margin-bottom:10px}
.ov-card p{font-size:14px;color:var(--c-ink-2)}
.ov-list{display:grid;gap:14px;margin-top:20px}
.ov-list li{display:flex;align-items:flex-start;gap:12px;font-size:14px;color:var(--c-ink-2)}
.ov-list li strong{color:var(--c-ink);font-weight:600}
.ov-mark{flex:0 0 auto;width:22px;height:22px;border-radius:7px;background:var(--c-primary-soft);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:12px;font-weight:700;margin-top:3px}
.ov-card-feature .ov-mark{background:rgba(255,255,255,.12);color:#DCE6FA}
.ov-foot{display:flex;align-items:center;gap:10px;margin-top:22px;flex-wrap:wrap}

/* ---------- 日期与时间轴 ---------- */
.day-chips{display:flex;gap:8px;overflow-x:auto;padding:4px 0 14px;scrollbar-width:none;margin-bottom:24px}
.day-chips::-webkit-scrollbar{display:none}
.day-chip{
  display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 18px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);font-size:14px;white-space:nowrap;
  transition:background .16s ease,color .16s ease,border-color .16s ease,box-shadow .16s ease;cursor:pointer;
}
.day-chip:hover{border-color:var(--c-line-2);color:var(--c-primary)}
.day-chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(21,87,214,.95)}
.timeline{display:grid;gap:20px}
.tl-group{display:grid;grid-template-columns:120px 1fr;gap:24px;align-items:start}
.tl-date{padding-top:6px}
.tl-day{display:block;font-size:34px;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums;line-height:1.1}
.tl-mon{display:block;font-size:13px;color:var(--c-ink-3);margin-top:4px}
.tl-items{display:grid;gap:12px}
.slot-card{
  display:grid;grid-template-columns:92px 1fr auto;gap:20px;align-items:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:20px 22px;
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.slot-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);border-color:var(--c-line-2)}
.slot-time{font-size:17px;font-weight:700;color:var(--c-ink);font-variant-numeric:tabular-nums}
.slot-time small{display:block;font-size:12px;color:var(--c-ink-3);font-weight:400;margin-top:2px}
.slot-body h3{font-size:17px;margin-bottom:6px}
.slot-body p{font-size:14px;color:var(--c-ink-2)}
.slot-tags{display:flex;align-items:center;gap:8px;margin-bottom:8px;flex-wrap:wrap}
.slot-action{display:flex;align-items:center;gap:10px}

/* ---------- 看点列表 ---------- */
.point-list{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden}
.point-item{display:grid;grid-template-columns:52px 1fr auto;gap:20px;align-items:center;padding:22px 26px;border-bottom:1px solid var(--c-line);transition:background .18s ease}
.point-item:last-child{border-bottom:0}
.point-item:hover{background:#FAFBFF}
.point-num{
  width:40px;height:40px;border-radius:50%;border:1.5px solid var(--c-primary);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;font-variant-numeric:tabular-nums;
}
.point-body h3{font-size:18px;margin-bottom:6px}
.point-body p{font-size:14px;color:var(--c-ink-2);max-width:720px}
.point-side{display:flex;align-items:center;gap:12px;color:var(--c-ink-3);font-size:13px}
.visual-split{display:grid;grid-template-columns:1.02fr .98fr;gap:44px;align-items:center;margin-top:56px}
.figure{margin:0;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);background:#fff}
.figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.figure-cap{font-size:13px;color:var(--c-ink-3);padding:12px 16px;background:#fff;border-top:1px solid var(--c-line)}
.visual-text h3{font-size:24px;margin-bottom:14px}
.visual-text p{font-size:15px;color:var(--c-ink-2);margin-bottom:18px}
.check-list{display:grid;gap:12px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--c-ink-2)}
.check-list li::before{
  content:"";flex:0 0 auto;width:18px;height:18px;border-radius:6px;margin-top:6px;
  background:var(--c-teal-soft) url("data:image/svg+xml;utf8,<svg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 12 12'><path d='M2.5 6.2l2.2 2.2 4.6-4.8' fill='none' stroke='%2312A594' stroke-width='1.8' stroke-linecap='round' stroke-linejoin='round'/></svg>") center/12px no-repeat;
  border:1px solid #C7ECE7;
}

/* ---------- 订阅带 ---------- */
.subscribe-band{background:#F0F4FB;border:1px solid #DEE7F7;border-radius:var(--r-xl);padding:44px;display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center}
.subscribe-band h2{font-size:28px;margin-bottom:12px}
.subscribe-band p{font-size:15px;color:var(--c-ink-2)}
.sub-form{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:24px;box-shadow:var(--sh-1)}
.field-row{display:grid;grid-template-columns:1fr auto;gap:12px}
.field{display:flex;flex-direction:column;gap:6px}
.field input{
  height:46px;border:1px solid var(--c-line-2);border-radius:10px;padding:0 14px;color:var(--c-ink);
  background:#fff;transition:border-color .18s ease,box-shadow .18s ease;width:100%;
}
.field input::placeholder{color:var(--c-ink-3)}
.field input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 4px rgba(21,87,214,.12)}
.field.has-error input{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(255,90,60,.12)}
.field-error{font-size:12px;color:var(--c-accent-ink);display:none}
.field.has-error .field-error{display:block}
.checkbox-line{display:flex;align-items:flex-start;gap:10px;margin-top:14px;font-size:13px;color:var(--c-ink-2)}
.checkbox-line input{width:16px;height:16px;margin-top:4px;accent-color:var(--c-primary);flex:0 0 auto}
.form-note{font-size:13px;color:var(--c-ink-3);margin-top:12px}
.form-success{
  display:none;align-items:center;gap:10px;margin-top:14px;padding:12px 14px;border-radius:var(--r-md);
  background:var(--c-teal-soft);color:var(--c-teal-ink);font-size:14px;font-weight:600;
}
.form-success.is-visible{display:flex}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion{border:0;background:transparent}
.accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff;margin-bottom:12px;overflow:hidden;
  transition:box-shadow .2s ease,border-color .2s ease;
}
.accordion .accordion-item:hover{border-color:var(--c-line-2);box-shadow:var(--sh-1)}
.accordion .accordion-title{
  border:0;background:#fff;padding:18px 24px;font-size:17px;font-weight:600;color:var(--c-ink);
  display:flex;align-items:center;gap:12px;transition:color .18s ease;
}
.accordion .accordion-title:hover,.accordion .accordion-title:focus{background:#FAFBFF;color:var(--c-primary)}
.accordion .accordion-title::before{
  content:"?";position:static;order:-1;width:26px;height:26px;border-radius:50%;flex:0 0 auto;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;font-weight:700;
  display:flex;align-items:center;justify-content:center;margin:0;
}
.accordion .accordion-item.is-active .accordion-title{color:var(--c-primary-dark)}
.accordion .accordion-content{
  border:0;background:#F8FAFE;padding:0 24px 22px 62px;color:var(--c-ink-2);font-size:15px;line-height:1.85;
  border-left:2px solid var(--c-primary);
}
.accordion .accordion-content p+p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-band{position:relative;background:var(--c-dark);border-radius:var(--r-xl);padding:52px;overflow:hidden}
.cta-band::after{content:"";position:absolute;right:-80px;bottom:-100px;width:320px;height:320px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,60,.35),transparent 68%)}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:10px}
.cta-band p{color:#A8B6CE;font-size:15px;max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-dark);color:#B6C0D4;padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:16px;border-radius:9px}
.footer-desc{font-size:14px;line-height:1.85;color:#93A0B8;max-width:360px}
.footer-note{font-size:13px;color:#6C7A94;margin-top:12px;max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600}
.footer-links{display:grid;gap:10px}
.footer-links a{color:#93A0B8;font-size:14px}
.footer-links a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.08);margin-top:44px;padding-top:20px;font-size:13px;color:#6C7A94;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px}
}
@media (max-width:1023px){
  :root{--sec:72px}
  .nav-inner{flex-wrap:wrap;gap:14px}
  .nav-chips{order:3;width:100%;max-width:none;flex-basis:100%}
  .nav-actions{margin-left:auto}
  .hero{padding:52px 0 68px}
  .hero h1{font-size:34px}
  .overview-grid{grid-template-columns:1fr}
  .tl-group{grid-template-columns:100px 1fr;gap:18px}
  .visual-split{grid-template-columns:1fr;gap:28px}
  .subscribe-band{grid-template-columns:1fr;padding:34px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .section-head h2{font-size:24px}
  .slot-card{grid-template-columns:1fr;gap:14px}
  .slot-time{display:flex;align-items:baseline;gap:8px}
  .slot-time small{margin-top:0}
  .slot-action{justify-content:flex-start}
  .point-item{grid-template-columns:44px 1fr;gap:14px;align-items:start}
  .point-side{grid-column:2;justify-content:flex-start}
  .cd-num{font-size:24px}
  .hero-stats{gap:24px}
  .cta-band{padding:36px 28px}
}
@media (max-width:639px){
  :root{--sec:56px}
  .grid-container{padding-left:16px;padding-right:16px}
  .topbar-text{font-size:12px}
  .brand-text{font-size:15px}
  .nav-chip{height:34px;padding:0 14px;font-size:14px}
  .hero h1{font-size:29px}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-stat strong{font-size:22px}
  .tl-group{grid-template-columns:1fr;gap:12px}
  .tl-date{display:flex;align-items:baseline;gap:10px}
  .tl-day{font-size:24px}
  .cd-grid{gap:8px}
  .overview-grid{gap:16px}
  .ov-card,.subscribe-band,.sub-form{padding:20px}
  .field-row{grid-template-columns:1fr}
  .field-row .btn{width:100%}
  .accordion .accordion-content{padding:0 18px 20px 18px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;gap:8px}
}