/* roulang page: index */
:root{
  --primary:#1F5FBF;
  --primary-dark:#174A99;
  --primary-soft:#E8F1FB;
  --accent:#E8A33D;
  --accent-soft:#FFF4E2;
  --ink:#10263D;
  --text:#33475B;
  --muted:#6B7C8F;
  --bg:#F6F8FA;
  --surface:#FFFFFF;
  --line:#E1E9F2;
  --ok:#1F8A70;
  --warn:#C2410C;
  --radius-card:20px;
  --radius-btn:12px;
  --shadow-card:0 10px 30px rgba(16,38,61,.07);
  --shadow-hover:0 16px 40px rgba(16,38,61,.12);
  --container:1200px;
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--primary-dark);}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.35;font-weight:700;}
p{margin:0;}
input,textarea,select{font-family:inherit;font-size:15px;color:var(--ink);}
:focus-visible{outline:3px solid rgba(31,95,191,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:var(--section-gap) 0;}
.section--tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:28px;line-height:1.35;margin-bottom:12px;}
.section-head p{color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:6px 14px;letter-spacing:.02em;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--ok);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:18px;font-weight:600;
  padding:4px 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);
}
.badge--accent{background:var(--accent-soft);color:#9A6300;}
.badge--ok{background:rgba(31,138,112,.12);color:var(--ok);}
.badge--ghost{background:#EEF3F8;color:var(--muted);}
.tag{
  display:inline-block;font-size:12px;line-height:18px;
  padding:3px 10px;border-radius:999px;background:#EEF3F8;color:var(--muted);font-weight:500;
}

/* ---------- 公告条 ---------- */
.announce{
  background:var(--primary-soft);border-bottom:1px solid var(--line);
  font-size:13px;color:var(--primary-dark);
}
.announce__inner{
  height:36px;display:flex;align-items:center;gap:16px;justify-content:space-between;
}
.announce__left{display:flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap;}
.announce__left .pulse{
  width:7px;height:7px;border-radius:50%;background:var(--ok);
  box-shadow:0 0 0 0 rgba(31,138,112,.6);animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{box-shadow:0 0 0 0 rgba(31,138,112,.5);}
  70%{box-shadow:0 0 0 8px rgba(31,138,112,0);}
  100%{box-shadow:0 0 0 0 rgba(31,138,112,0);}
}
.announce__timer{display:flex;align-items:center;gap:6px;color:var(--text);font-variant-numeric:tabular-nums;}
.announce__timer b{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",monospace;
  font-size:14px;color:var(--primary-dark);font-weight:700;
}
.announce__link{font-weight:600;white-space:nowrap;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(16,38,61,.08);}
.nav{height:72px;display:flex;align-items:center;justify-content:space-between;gap:24px;}
.logo{display:inline-flex;align-items:center;gap:8px;font-size:22px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.logo:hover{color:var(--ink);}
.logo__mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--primary),var(--primary-dark));
  color:#fff;font-size:15px;font-weight:800;letter-spacing:0;
}
.logo__badge{
  font-size:11px;font-weight:600;color:var(--primary);
  background:var(--primary-soft);border-radius:999px;padding:2px 8px;line-height:18px;
}
.nav__menu{display:flex;align-items:center;gap:32px;}
.nav__menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--text);
  padding:8px 0;display:inline-block;
}
.nav__menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav__menu a:hover{color:var(--primary);}
.nav__menu a:hover::after,.nav__menu a.is-active::after{transform:scaleX(1);}
.nav__menu a.is-active{color:var(--primary);font-weight:600;}
.nav__right{display:flex;align-items:center;gap:14px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .18s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,95,191,.22);}
.btn--primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);}
.btn--outline{background:#fff;color:var(--primary);border-color:var(--primary);}
.btn--outline:hover{background:var(--primary-soft);color:var(--primary-dark);}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn--ghost:hover{background:#fff;border-color:#CFDDEB;color:var(--ink);}
.btn--sm{height:38px;padding:0 16px;font-size:14px;border-radius:10px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;}
.nav__toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav__toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative;}
.nav__toggle span::before,.nav__toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav__toggle span::before{top:-6px;}
.nav__toggle span::after{top:6px;}

/* ---------- 抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:90;background:#fff;
  transform:translateX(100%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:20px 24px 28px;
}
.drawer.is-open{transform:translateX(0);}
.drawer__top{display:flex;align-items:center;justify-content:space-between;margin-bottom:24px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
  font-size:22px;line-height:1;color:var(--ink);
}
.drawer__links{display:flex;flex-direction:column;}
.drawer__links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:18px 4px;font-size:19px;font-weight:600;color:var(--ink);
  border-bottom:1px solid var(--line);
}
.drawer__links a.is-active{color:var(--primary);}
.drawer__foot{margin-top:auto;padding-top:24px;}
.drawer__foot .btn{width:100%;}

/* ---------- Hero ---------- */
.hero{padding:56px 0 72px;background:
  radial-gradient(1200px 420px at 88% -10%,rgba(31,95,191,.10),transparent 70%),
  radial-gradient(760px 360px at 4% 8%,rgba(232,163,61,.10),transparent 68%);
}
.hero__grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.hero h1{font-size:44px;line-height:1.24;letter-spacing:-.005em;margin:18px 0 18px;}
.hero h1 em{font-style:normal;color:var(--primary);position:relative;}
.hero__sub{font-size:17px;line-height:1.85;color:var(--text);max-width:560px;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.hero__meta{
  display:flex;flex-wrap:wrap;gap:12px 28px;font-size:14px;color:var(--muted);
  border-top:1px solid var(--line);padding-top:20px;
}
.hero__meta div{display:flex;align-items:center;gap:8px;}
.hero__meta b{color:var(--ink);font-weight:700;font-variant-numeric:tabular-nums;}
.hero__visual{position:relative;}
.hero__frame{
  position:relative;border-radius:24px;overflow:hidden;box-shadow:var(--shadow-card);
  aspect-ratio:5/4;background:var(--primary-soft);border:1px solid var(--line);
}
.hero__frame img{width:100%;height:100%;object-fit:cover;}
.hero__frame::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(16,38,61,0) 45%,rgba(16,38,61,.42) 100%);
}
.hero__frame-label{
  position:absolute;left:18px;bottom:16px;z-index:2;color:#fff;
}
.hero__frame-label b{display:block;font-size:16px;font-weight:700;}
.hero__frame-label span{font-size:12px;opacity:.86;}
.float-card{
  position:absolute;left:-18px;bottom:34px;z-index:3;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-hover);padding:14px 18px;min-width:196px;
}
.float-card__t{font-size:12px;font-weight:600;color:var(--muted);margin-bottom:8px;}
.float-card ul{display:flex;flex-direction:column;gap:6px;}
.float-card li{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text);}
.float-card li i{width:5px;height:5px;border-radius:50%;background:var(--accent);flex:none;}

/* ---------- 合集目录 ---------- */
.collection{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.collection__grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.collection__aside{position:sticky;top:104px;}
.collection__aside h2{font-size:28px;margin-bottom:14px;}
.collection__aside p{color:var(--muted);font-size:15px;margin-bottom:20px;}
.collection__list{border-top:1px solid var(--line);}
.collection__item{
  display:grid;grid-template-columns:56px 1fr auto;gap:18px;align-items:center;
  padding:22px 16px;border-bottom:1px solid var(--line);
  border-radius:12px;transition:background .2s ease;
}
.collection__item:hover{background:var(--primary-soft);}
.collection__num{
  font-family:"SFMono-Regular",Consolas,monospace;font-size:15px;font-weight:700;
  color:var(--primary);opacity:.66;font-variant-numeric:tabular-nums;
}
.collection__item h3{font-size:17px;font-weight:600;margin-bottom:4px;transition:color .2s ease;}
.collection__item:hover h3{color:var(--primary);}
.collection__item .desc{font-size:13.5px;color:var(--muted);line-height:1.7;}
.collection__arrow{font-size:18px;color:var(--muted);transition:transform .2s ease,color .2s ease;}
.collection__item:hover .collection__arrow{transform:translateX(4px);color:var(--primary);}

/* ---------- 精选条目 ---------- */
.featured__grid{display:grid;grid-template-columns:7fr 5fr;gap:32px;align-items:start;}
.card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  overflow:hidden;
}
.card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#CFDDEB;}
.feature-main__media{aspect-ratio:16/10;overflow:hidden;background:var(--primary-soft);}
.feature-main__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.feature-main:hover .feature-main__media img{transform:scale(1.03);}
.feature-main__body{padding:26px;}
.feature-main__body h3{font-size:21px;margin:12px 0 10px;}
.feature-main__body p{font-size:15px;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.feature-main__foot{display:flex;align-items:center;justify-content:space-between;margin-top:20px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(4px);}
.feature-side{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);overflow:hidden;}
.feature-side__item{
  display:grid;grid-template-columns:96px 1fr auto;gap:16px;align-items:center;
  padding:16px 20px;border-bottom:1px solid var(--line);transition:background .2s ease;
}
.feature-side__item:last-child{border-bottom:none;}
.feature-side__item:hover{background:var(--primary-soft);}
.feature-side__thumb{width:96px;height:64px;border-radius:10px;overflow:hidden;background:var(--primary-soft);}
.feature-side__thumb img{width:100%;height:100%;object-fit:cover;}
.feature-side__item h4{font-size:15.5px;font-weight:600;line-height:1.5;margin-bottom:4px;}
.feature-side__item:hover h4{color:var(--primary);}
.feature-side__item .meta{font-size:12.5px;color:var(--muted);}
.feature-side__item .collection__arrow{font-size:16px;}

/* ---------- 最新信息 ---------- */
.news{background:var(--surface);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.news__head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.news__grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.news-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:box-shadow .25s ease,transform .25s ease,border-color .25s ease;
  display:flex;flex-direction:column;gap:10px;
}
.news-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:#CFDDEB;}
.news-card--lead{grid-column:1 / -1;display:grid;grid-template-columns:1.2fr 1fr;gap:28px;align-items:center;padding:28px;}
.news-card--lead .news-card__thumb{border-radius:16px;overflow:hidden;aspect-ratio:16/10;background:var(--primary-soft);}
.news-card--lead .news-card__thumb img{width:100%;height:100%;object-fit:cover;}
.news-card__meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);}
.news-card h3{font-size:18px;line-height:1.55;}
.news-card h3 a{color:var(--ink);}
.news-card h3 a:hover{color:var(--primary);}
.news-card p{font-size:14px;line-height:1.75;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card .link-arrow{margin-top:auto;padding-top:6px;}
.empty-state{
  grid-column:1 / -1;background:var(--primary-soft);border:1px dashed #BCD3EE;border-radius:var(--radius-card);
  padding:40px 28px;text-align:center;color:var(--primary-dark);
}
.empty-state p{font-size:15px;margin-bottom:14px;}

/* ---------- 相关推荐 ---------- */
.related__grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.related-card{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;padding:22px 20px;
  position:relative;box-shadow:0 4px 16px rgba(16,38,61,.05);
  transition:box-shadow .22s ease,transform .22s ease;
}
.related-card::before{content:"";position:absolute;left:20px;right:20px;top:0;height:3px;background:var(--primary);border-radius:0 0 4px 4px;}
.related-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.related-card .tag{margin-bottom:12px;}
.related-card h3{font-size:16px;line-height:1.55;margin-bottom:14px;}
.related-card h3 a{color:var(--ink);}
.related-card h3 a:hover{color:var(--primary);}

/* ---------- CTA 面板 ---------- */
.cta-band{padding:0 0 var(--section-gap);}
.cta-panel{
  background:var(--primary-soft);border:1px solid #CFE0F5;border-radius:24px;
  padding:40px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
}
.cta-panel h2{font-size:24px;margin-bottom:8px;}
.cta-panel p{font-size:15px;color:var(--text);max-width:560px;}
.cta-panel__actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 订阅表单 ---------- */
.form-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field--full{grid-column:1 / -1;}
.field label{font-size:14px;font-weight:600;color:var(--ink);}
.field input,.field select,.field textarea{
  height:46px;border-radius:var(--radius-btn);border:1px solid #D8E3F0;background:#fff;
  padding:0 14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:auto;min-height:112px;padding:12px 14px;line-height:1.7;resize:vertical;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(31,95,191,.12);
}
.field .hint{font-size:12.5px;color:var(--muted);}
.form-note{font-size:12px;color:var(--muted);margin-top:14px;}
.form-msg{margin-top:14px;font-size:14px;font-weight:600;color:var(--ok);display:none;}
.form-msg.is-error{color:var(--warn);}
.form-msg.is-visible{display:block;}
.subscribe__grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.subscribe__aside h2{font-size:28px;margin-bottom:14px;}
.subscribe__aside p{color:var(--muted);font-size:15px;margin-bottom:22px;}
.subscribe__list{display:flex;flex-direction:column;gap:12px;}
.subscribe__list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:var(--text);}
.subscribe__list i{
  flex:none;width:18px;height:18px;border-radius:50%;background:rgba(31,138,112,.14);color:var(--ok);
  font-size:11px;display:grid;place-items:center;font-style:normal;margin-top:5px;font-weight:700;
}
.subscribe__card{background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);padding:30px;box-shadow:var(--shadow-card);}

/* ---------- FAQ ---------- */
.faq{background:var(--surface);border-top:1px solid var(--line);}
.faq__grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq__aside{position:sticky;top:104px;}
.faq__aside h2{font-size:28px;margin-bottom:12px;}
.faq__aside p{color:var(--muted);font-size:15px;}
.acc{border-top:1px solid var(--line);}
.acc__item{border-bottom:1px solid var(--line);}
.acc__btn{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:none;border:none;padding:22px 4px;text-align:left;
  font-size:16.5px;font-weight:600;color:var(--ink);line-height:1.6;
}
.acc__btn:hover{color:var(--primary);}
.acc__icon{
  flex:none;width:26px;height:26px;border-radius:50%;background:var(--primary-soft);color:var(--primary);
  display:grid;place-items:center;font-size:16px;font-weight:700;transition:transform .25s ease,background .25s ease;
}
.acc__item.is-open .acc__icon{transform:rotate(45deg);background:var(--primary);color:#fff;}
.acc__panel{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.acc__panel p{padding:0 4px 22px;font-size:15px;line-height:1.8;color:var(--text);max-width:660px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2338;color:#B9C8D8;padding:64px 0 0;}
.footer__grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer__brand .logo{color:#fff;}
.footer__brand .logo__badge{background:rgba(255,255,255,.12);color:#CFE0F5;}
.footer__brand p{font-size:14px;line-height:1.8;margin:16px 0 20px;max-width:300px;color:#94A9BF;}
.footer__share{display:flex;gap:10px;}
.footer__share button{
  height:38px;padding:0 16px;border-radius:10px;font-size:13.5px;font-weight:600;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);color:#E6EEF7;
  transition:background .2s ease,border-color .2s ease;
}
.footer__share button:hover{background:rgba(255,255,255,.16);border-color:rgba(255,255,255,.3);}
.footer__col h4{font-size:14px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer__col ul{display:flex;flex-direction:column;gap:11px;}
.footer__col a{font-size:14px;color:#94A9BF;}
.footer__col a:hover{color:#fff;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7E93A9;
}
.footer__bottom a{color:#7E93A9;}
.footer__bottom a:hover{color:#fff;}
.to-top{
  display:inline-flex;align-items:center;gap:6px;height:36px;padding:0 14px;border-radius:10px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.14);color:#E6EEF7;font-size:13px;
}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--ink);color:#fff;font-size:14px;padding:12px 22px;border-radius:12px;
  box-shadow:0 14px 34px rgba(16,38,61,.28);opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;z-index:120;
}
.toast.is-visible{opacity:1;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  :root{--container:1120px;}
  .hero h1{font-size:40px;}
}
@media (max-width:992px){
  :root{--section-gap:64px;}
  .nav__menu,.nav__right .btn--primary{display:none;}
  .nav__toggle{display:inline-flex;}
  .hero{padding:40px 0 56px;}
  .hero__grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .hero__visual{max-width:560px;}
  .float-card{left:auto;right:12px;bottom:-18px;}
  .collection__grid{grid-template-columns:1fr;gap:28px;}
  .collection__aside{position:static;}
  .featured__grid{grid-template-columns:1fr;}
  .news-card--lead{grid-template-columns:1fr;}
  .related__grid{grid-template-columns:repeat(2,1fr);}
  .subscribe__grid{grid-template-columns:1fr;gap:32px;}
  .faq__grid{grid-template-columns:1fr;gap:28px;}
  .faq__aside{position:static;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .section{padding:56px 0;}
  .hero h1{font-size:32px;line-height:1.3;}
  .hero__sub{font-size:16px;}
  .news__grid{grid-template-columns:1fr;}
  .cta-panel{padding:30px 24px;}
  .form-grid{grid-template-columns:1fr;}
  .announce__inner{gap:10px;}
  .announce__left span.label{display:none;}
  .section-head h2{font-size:24px;}
  .collection__item{grid-template-columns:40px 1fr auto;padding:18px 10px;}
  .feature-main__body{padding:20px;}
  .subscribe__card{padding:22px;}
}
@media (max-width:560px){
  .container{padding:0 16px;}
  .hero__actions .btn{width:100%;}
  .hero__meta{gap:10px 18px;font-size:13px;}
  .announce__timer .sec{display:none;}
  .related__grid{grid-template-columns:1fr;}
  .footer__grid{grid-template-columns:1fr;gap:28px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
  .cta-panel__actions{width:100%;}
  .cta-panel__actions .btn{width:100%;}
  .acc__btn{font-size:15.5px;padding:18px 2px;}
  .feature-side__item{grid-template-columns:72px 1fr auto;gap:12px;padding:14px 16px;}
  .feature-side__thumb{width:72px;height:52px;}
  .news-card{padding:20px;}
  .news-card--lead{padding:20px;}
  .toast{left:16px;right:16px;transform:translate(0,20px);text-align:center;}
  .toast.is-visible{transform:translate(0,0);}
}

/* roulang page: article */
:root{
  --primary:#1F5FBF;
  --primary-dark:#174A99;
  --primary-soft:#E8F1FB;
  --accent:#E8A33D;
  --accent-soft:#FFF4E2;
  --ink:#10263D;
  --text:#33475B;
  --muted:#6B7C8F;
  --bg:#F6F8FA;
  --surface:#FFFFFF;
  --line:#E1E9F2;
  --success:#1F8A70;
  --danger:#C2410C;
  --radius-card:20px;
  --radius-img:24px;
  --radius-btn:12px;
  --shadow-sm:0 10px 30px rgba(16,38,61,.07);
  --shadow-lg:0 16px 40px rgba(16,38,61,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:3px solid rgba(31,95,191,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 顶部公告条 ---------- */
.topbar{background:var(--primary-soft);border-bottom:1px solid #D8E7F8;height:36px;display:flex;align-items:center;font-size:13px;color:var(--primary-dark)}
.topbar__inner{display:flex;align-items:center;justify-content:space-between;gap:16px;height:100%}
.topbar__left{display:flex;align-items:center;gap:8px;font-weight:500;white-space:nowrap}
.dot{width:8px;height:8px;border-radius:50%;background:var(--success);box-shadow:0 0 0 3px rgba(31,138,112,.16);flex:none}
.topbar__center{display:flex;align-items:center;gap:8px;color:var(--primary-dark)}
.topbar__label{color:var(--muted)}
.countdown{display:inline-flex;align-items:center;gap:2px;font-variant-numeric:tabular-nums;font-weight:700;letter-spacing:.02em}
.countdown i{font-style:normal;opacity:.55}
.cd-num{display:inline-block;min-width:20px;text-align:center}
.topbar__link{color:var(--primary);font-weight:600;white-space:nowrap}
.topbar__link:hover{text-decoration:underline;text-underline-offset:3px}

/* ---------- 主导航 ---------- */
.nav{background:var(--surface);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:60;transition:box-shadow .22s ease}
.nav.is-scrolled{box-shadow:0 6px 20px rgba(16,38,61,.08)}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.logo{display:inline-flex;align-items:center;gap:9px;font-weight:700;color:var(--ink);font-size:18px;letter-spacing:.01em}
.logo__mark{background:var(--primary);color:#fff;border-radius:8px;padding:2px 9px;font-size:15px;line-height:1.65;letter-spacing:.03em}
.nav__menu{display:flex;align-items:center;gap:32px}
.nav__menu a{position:relative;display:inline-block;padding:24px 0;font-size:15px;font-weight:500;color:var(--text);transition:color .18s}
.nav__menu a::after{content:"";position:absolute;left:0;right:0;bottom:14px;height:2px;border-radius:2px;background:var(--primary);transform:scaleX(0);transform-origin:left;transition:transform .22s ease}
.nav__menu a:hover{color:var(--primary)}
.nav__menu a:hover::after,.nav__menu a.is-active::after{transform:scaleX(1)}
.nav__menu a.is-active{color:var(--primary);font-weight:600}
.nav__actions{display:flex;align-items:center;gap:12px}
.nav__toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);align-items:center;justify-content:center;flex-direction:column;gap:5px;background:#fff;transition:border-color .18s,background .18s}
.nav__toggle:hover{border-color:#BFD8F2;background:var(--primary-soft)}
.nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink)}

/* ---------- 抽屉导航 ---------- */
.drawer{position:fixed;inset:0;z-index:90;background:var(--surface);display:none;flex-direction:column;padding:20px 24px 28px}
.drawer.is-open{display:flex}
.drawer__head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line)}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:inline-flex;align-items:center;justify-content:center;font-size:20px;color:var(--ink);background:#fff}
.drawer__close:hover{background:var(--primary-soft);border-color:#BFD8F2}
.drawer__links{display:flex;flex-direction:column;flex:1;margin-top:8px}
.drawer__links a{padding:18px 0;font-size:20px;font-weight:600;color:var(--ink);border-bottom:1px solid var(--line)}
.drawer__links a:hover{color:var(--primary)}
.drawer__foot{margin-top:24px}

/* ---------- 按钮 ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;transition:transform .16s ease,background-color .16s ease,box-shadow .16s ease,color .16s ease,border-color .16s ease}
.btn--primary{background:var(--primary);color:#fff;box-shadow:0 6px 16px rgba(31,95,191,.18)}
.btn--primary:hover{background:var(--primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(31,95,191,.24)}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,191,.2)}
.btn--ghost{background:transparent;border-color:#D8E3F0;color:var(--text)}
.btn--ghost:hover{background:var(--primary-soft);border-color:#BFD8F2;color:var(--primary-dark)}
.btn--sm{height:40px;padding:0 18px;font-size:14px}

/* ---------- 面包屑 ---------- */
.crumb{padding:26px 0 0}
.crumb__list{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--muted)}
.crumb__list a{color:var(--muted);transition:color .18s}
.crumb__list a:hover{color:var(--primary)}
.crumb__sep{color:#C3D0DE}
.crumb__current{color:var(--text);font-weight:500;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- 文章主体 ---------- */
.page-main{padding-bottom:16px}
.article{max-width:880px;margin:26px auto 0;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-sm);padding:44px 48px 48px}
.article__tag{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;background:var(--primary-soft);color:var(--primary-dark);font-size:12px;font-weight:600;letter-spacing:.02em;transition:background .18s}
.article__tag:hover{background:#D6E7FA}
.article__title{font-size:36px;line-height:1.36;font-weight:700;color:var(--ink);letter-spacing:-.01em;margin:16px 0 20px}
.article__meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--muted);padding-bottom:22px;border-bottom:1px solid var(--line)}
.article__meta .dot-sep{width:4px;height:4px;border-radius:50%;background:#C3D0DE;display:inline-block}
.article__tools{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tool-btn{display:inline-flex;align-items:center;gap:6px;height:38px;padding:0 16px;border-radius:999px;border:1px solid var(--line);background:#fff;font-size:13px;color:var(--text);transition:border-color .18s,background .18s,color .18s}
.tool-btn:hover{border-color:#BFD8F2;background:var(--primary-soft);color:var(--primary-dark)}
.tool-btn.is-on{background:var(--accent-soft);border-color:#F1D6A6;color:#8A5A0C}
.article__cover{margin:28px 0 0;border-radius:var(--radius-img);overflow:hidden;aspect-ratio:16/9;background:var(--primary-soft)}
.article__cover img{width:100%;height:100%;object-fit:cover}

/* ---------- 正文排版 ---------- */
.article__body{max-width:760px;margin:36px auto 0;font-size:17px;line-height:1.9;color:var(--text);word-break:break-word}
.article__body h2{font-size:26px;line-height:1.44;font-weight:700;color:var(--ink);margin:44px 0 16px;padding-left:14px;border-left:4px solid var(--primary);border-radius:2px}
.article__body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink);margin:32px 0 12px}
.article__body h4{font-size:17px;font-weight:600;color:var(--ink);margin:24px 0 10px}
.article__body p{margin:0 0 18px}
.article__body ul,.article__body ol{margin:0 0 18px;padding-left:24px}
.article__body ul{list-style:disc}
.article__body ol{list-style:decimal}
.article__body li{margin-bottom:8px}
.article__body blockquote{margin:24px 0;padding:18px 22px;background:var(--primary-soft);border-left:4px solid var(--primary);border-radius:0 14px 14px 0;color:var(--primary-dark);font-size:16px;line-height:1.85}
.article__body blockquote p:last-child{margin-bottom:0}
.article__body img{border-radius:16px;margin:24px auto}
.article__body a{color:var(--primary);text-decoration:underline;text-underline-offset:3px}
.article__body a:hover{color:var(--primary-dark)}
.article__body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;display:block;overflow-x:auto;white-space:nowrap}
.article__body th,.article__body td{border:1px solid var(--line);padding:10px 14px;text-align:left}
.article__body th{background:var(--primary-soft);color:var(--primary-dark);font-weight:600}
.article__body code{background:#EEF3F9;padding:2px 6px;border-radius:6px;font-size:15px;color:var(--primary-dark)}
.article__body pre{background:#0E2238;color:#DCE7F2;padding:18px 20px;border-radius:14px;overflow-x:auto;font-size:14px;line-height:1.7;margin:24px 0}
.article__body pre code{background:none;color:inherit;padding:0}
.article__body strong{color:var(--ink);font-weight:600}
.article__body hr{border:0;border-top:1px solid var(--line);margin:32px 0}

/* ---------- 文章尾部 ---------- */
.article__foot{margin-top:44px;padding-top:24px;border-top:1px solid var(--line);display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.article__foot .tools{display:flex;flex-wrap:wrap;gap:10px}
.article__back{display:flex;flex-wrap:wrap;gap:18px;font-size:14px;font-weight:600;color:var(--primary)}
.article__back a:hover{text-decoration:underline;text-underline-offset:4px}

/* ---------- 空态 ---------- */
.empty-state{max-width:760px;margin:36px auto 8px;padding:44px 32px;text-align:center;background:var(--primary-soft);border:1px solid #D6E7FA;border-radius:18px}
.empty-state h2{font-size:22px;color:var(--ink);font-weight:700;margin-bottom:10px}
.empty-state p{font-size:15px;color:var(--muted);margin-bottom:22px}

/* ---------- 相关推荐 ---------- */
.related{padding:56px 0 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px}
.section-head h2{font-size:28px;line-height:1.4;font-weight:700;color:var(--ink)}
.section-head p{font-size:14px;color:var(--muted);margin-top:6px}
.related__grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;margin-top:28px}
.related__card{display:flex;flex-direction:column;background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-sm);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease}
.related__card:hover{box-shadow:var(--shadow-lg);transform:translateY(-2px);border-color:#CBDDF3}
.related__card figure{aspect-ratio:16/10;overflow:hidden;background:var(--primary-soft)}
.related__card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.related__card:hover img{transform:scale(1.03)}
.related__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1}
.related__body .chip{display:inline-flex;align-self:flex-start;align-items:center;height:24px;padding:0 10px;border-radius:999px;background:var(--accent-soft);color:#8A5A0C;font-size:12px;font-weight:600}
.related__body h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--ink)}
.related__body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.related__link{margin-top:auto;padding-top:10px;font-size:13px;font-weight:600;color:var(--primary)}
.related__card:hover .related__link{color:var(--primary-dark)}

/* ---------- 提示浮层 ---------- */
.toast{position:fixed;left:50%;bottom:34px;transform:translate(-50%,18px);background:#10263D;color:#fff;padding:12px 24px;border-radius:999px;font-size:14px;line-height:1.5;opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:200;box-shadow:0 14px 34px rgba(16,38,61,.26);max-width:calc(100% - 40px);text-align:center}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E2238;color:#C6D4E2;margin-top:72px;padding:56px 0 0}
.footer__grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px}
.footer__brand .logo{color:#fff;margin-bottom:16px}
.footer__brand p{font-size:14px;line-height:1.85;color:#9FB3C7;max-width:330px}
.footer__share{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.footer__share button{height:38px;padding:0 18px;border-radius:999px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#DCE7F2;font-size:13px;transition:background .18s,border-color .18s,color .18s}
.footer__share button:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34);color:#fff}
.footer__col h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:.01em}
.footer__col ul{display:flex;flex-direction:column;gap:10px}
.footer__col a{font-size:14px;color:#9FB3C7;transition:color .18s}
.footer__col a:hover{color:#fff}
.footer__bottom{border-top:1px solid rgba(255,255,255,.12);padding:20px 0 28px;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:14px;font-size:13px;color:#8CA2B8}
.to-top{color:#C6D4E2;transition:color .18s}
.to-top:hover{color:#fff}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 20px}
  .related__grid{gap:20px}
}
@media (max-width:992px){
  .nav__menu{display:none}
  .nav__toggle{display:flex}
  .nav__actions .btn--sm{display:none}
  .nav__inner{height:64px}
  .article{padding:36px 32px 40px}
  .article__title{font-size:32px}
  .related__grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:768px){
  .topbar__center{display:none}
  .crumb{padding-top:20px}
  .article{margin-top:18px;padding:28px 22px 32px;border-radius:16px}
  .article__title{font-size:28px;line-height:1.42}
  .article__cover{border-radius:16px}
  .article__body{font-size:16px;line-height:1.85;margin-top:28px}
  .article__body h2{font-size:22px;margin-top:34px}
  .article__body h3{font-size:18px}
  .section-head h2{font-size:23px}
  .related{padding-top:44px}
  .site-footer{margin-top:56px;padding-top:44px}
}
@media (max-width:560px){
  .container{padding:0 16px}
  .topbar__left span:last-child{font-size:12px}
  .topbar__link{display:none}
  .cd-sec-sep,.cd-s{display:none}
  .article{padding:22px 18px 26px}
  .article__title{font-size:24px}
  .article__meta{font-size:12px;gap:10px}
  .tool-btn{height:36px;padding:0 14px;font-size:12px}
  .related__grid{grid-template-columns:1fr}
  .article__foot{flex-direction:column;align-items:flex-start}
  .article__back{gap:14px}
  .footer__grid{grid-template-columns:1fr;gap:26px}
  .footer__bottom{flex-direction:column;align-items:flex-start}
  .btn{height:44px}
  .drawer__links a{font-size:18px;padding:16px 0}
}

/* roulang page: category1 */
:root{
  --brand:#1F5FBF;
  --brand-dark:#174A99;
  --brand-tint:#E8F1FB;
  --accent:#E8A33D;
  --accent-tint:#FFF4E2;
  --ink:#10263D;
  --text:#33475B;
  --muted:#6B7C8F;
  --bg:#F6F8FA;
  --surface:#FFFFFF;
  --line:#E1E9F2;
  --success:#1F8A70;
  --danger:#C2410C;
  --radius-card:20px;
  --radius-hero:24px;
  --radius-btn:12px;
  --shadow-card:0 10px 30px rgba(16,38,61,.07);
  --shadow-hover:0 16px 40px rgba(16,38,61,.12);
  --container:1200px;
  --section:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
dl,dd{margin:0;}
:focus-visible{outline:3px solid rgba(31,95,191,.28);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}

/* ---------- 顶部公告条 ---------- */
.topbar{
  background:var(--brand-tint);
  border-bottom:1px solid rgba(31,95,191,.12);
  font-size:13px;
  color:var(--brand-dark);
}
.topbar__inner{
  min-height:36px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding-top:4px;
  padding-bottom:4px;
}
.topbar__status{display:inline-flex;align-items:center;gap:8px;font-weight:600;letter-spacing:.02em;}
.topbar__status i{
  width:8px;height:8px;border-radius:50%;background:var(--success);
  box-shadow:0 0 0 3px rgba(31,138,112,.16);display:inline-block;
}
.topbar__timer{display:inline-flex;align-items:center;gap:6px;color:var(--text);}
.topbar__timer b{
  font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;
  font-weight:700;color:var(--brand-dark);letter-spacing:.04em;
}
.topbar__link{font-weight:600;display:inline-flex;align-items:center;gap:4px;white-space:nowrap;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--surface);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(16,38,61,.08);}
.header__inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:19px;font-weight:700;color:var(--ink);letter-spacing:.01em;
}
.logo:hover{color:var(--brand);}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:34px;border-radius:10px;
  background:var(--brand);color:#fff;
  font-size:15px;font-weight:700;letter-spacing:.02em;
}
.logo__text{white-space:nowrap;}
.nav__menu{display:flex;align-items:center;gap:6px;}
.nav__menu a{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--text);
  border-radius:8px;
  transition:color .2s ease,background-color .2s ease;
}
.nav__menu a:hover{color:var(--brand);background:rgba(31,95,191,.06);}
.nav__menu a.is-active{color:var(--brand);}
.nav__menu a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header__actions{display:flex;align-items:center;gap:12px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;
  border-radius:var(--radius-btn);
  border:1px solid transparent;
  font-size:15px;font-weight:600;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
}
.btn:active{transform:translateY(0);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(31,95,191,.18);}
.btn--primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn--ghost{background:transparent;color:var(--text);border-color:var(--line);}
.btn--ghost:hover{background:#fff;color:var(--brand);border-color:rgba(31,95,191,.4);}
.btn--outline{background:#fff;color:var(--brand);border-color:rgba(31,95,191,.45);}
.btn--outline:hover{background:var(--brand-tint);color:var(--brand-dark);transform:translateY(-1px);}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line);border-radius:12px;
  background:#fff;
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .25s ease,opacity .25s ease;}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:80;
  display:none;
}
.drawer.is-open{display:block;}
.drawer__backdrop{position:absolute;inset:0;background:rgba(16,38,61,.42);border:0;padding:0;width:100%;}
.drawer__panel{
  position:absolute;top:0;right:0;bottom:0;
  width:min(360px,88vw);
  background:var(--surface);
  padding:22px 22px 28px;
  display:flex;flex-direction:column;gap:22px;
  box-shadow:-16px 0 40px rgba(16,38,61,.16);
  overflow-y:auto;
  animation:drawerIn .25s ease;
}
@keyframes drawerIn{from{transform:translateX(24px);opacity:.6;}to{transform:none;opacity:1;}}
.drawer__head{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--ink);font-size:20px;line-height:1;
}
.drawer__nav{display:flex;flex-direction:column;gap:4px;}
.drawer__nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:52px;padding:0 14px;border-radius:12px;
  font-size:17px;font-weight:600;color:var(--ink);
}
.drawer__nav a:hover{background:var(--brand-tint);color:var(--brand-dark);}
.drawer__nav a.is-active{background:var(--brand-tint);color:var(--brand-dark);}
.drawer__foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer__note{font-size:13px;color:var(--muted);}

/* ---------- 面包屑 ---------- */
.crumb{padding:20px 0 0;font-size:14px;color:var(--muted);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:inline-flex;align-items:center;gap:8px;}
.crumb li:not(:last-child)::after{content:"/";color:#B9C7D6;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb li[aria-current]{color:var(--ink);font-weight:600;}

/* ---------- 页面 Hero ---------- */
.page-hero{padding:32px 0 8px;}
.page-hero__grid{
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--radius-hero);
  box-shadow:var(--shadow-card);
  padding:36px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;line-height:1.5;
}
.badge--brand{background:var(--brand-tint);color:var(--brand-dark);}
.badge--accent{background:var(--accent-tint);color:#8A5A12;}
.badge--success{background:rgba(31,138,112,.12);color:var(--success);}
.badge--line{background:#fff;color:var(--muted);border:1px solid var(--line);}
.page-hero h1{
  margin-top:16px;
  font-size:44px;line-height:1.15;letter-spacing:-.01em;
}
.page-hero__lead{
  margin-top:16px;
  font-size:17px;line-height:1.85;color:var(--text);
  max-width:34em;
}
.meta-row{
  margin-top:24px;display:flex;flex-wrap:wrap;gap:10px 22px;
  font-size:13px;color:var(--muted);
}
.meta-row span{display:inline-flex;align-items:center;gap:6px;}
.meta-row strong{color:var(--ink);font-weight:700;}
.page-hero__actions{margin-top:26px;display:flex;flex-wrap:wrap;gap:12px;}
.page-hero__media{position:relative;}
.page-hero__media img{
  width:100%;aspect-ratio:5/4;object-fit:cover;
  border-radius:var(--radius-hero);
  background:var(--brand-tint);
}
.hero-card{
  position:absolute;left:-14px;bottom:18px;
  background:#fff;border:1px solid var(--line);border-radius:16px;
  box-shadow:var(--shadow-card);
  padding:12px 16px;
  display:flex;align-items:center;gap:12px;
  max-width:220px;
}
.hero-card__num{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:20px;font-weight:700;color:var(--brand);line-height:1;
}
.hero-card__txt{font-size:12px;color:var(--muted);line-height:1.5;}

/* ---------- 通用板块 ---------- */
.section{padding:var(--section) 0 0;}
.section:last-of-type{padding-bottom:var(--section);}
.section__head{max-width:760px;}
.section__head h2{font-size:28px;line-height:1.3;}
.section__head p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}

/* ---------- 筛选条 ---------- */
.filters{
  margin-top:32px;
  display:flex;flex-wrap:wrap;gap:10px;
  padding:16px;border-radius:16px;background:var(--surface);border:1px solid var(--line);
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  min-height:38px;padding:0 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;
  font-size:14px;font-weight:600;color:var(--text);
  transition:all .2s ease;
}
.chip:hover{border-color:rgba(31,95,191,.45);color:var(--brand);background:var(--brand-tint);}
.chip.is-on{background:var(--brand);border-color:var(--brand);color:#fff;box-shadow:0 8px 18px rgba(31,95,191,.18);}
.chip.is-on:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;}
.chip__count{font-size:12px;opacity:.72;font-weight:600;}

/* ---------- 编号目录 ---------- */
.toc{
  display:grid;grid-template-columns:4fr 8fr;gap:40px;
  align-items:start;
  margin-top:8px;
}
.toc__aside{position:sticky;top:104px;}
.toc__aside h2{font-size:28px;}
.toc__aside p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
.toc__aside .btn{margin-top:22px;}
.toc__list{border-top:1px solid var(--line);}
.toc__row{
  display:grid;grid-template-columns:56px 1fr auto;align-items:center;gap:18px;
  min-height:84px;padding:16px 16px 16px 8px;
  border-bottom:1px solid var(--line);
  color:var(--text);
  border-radius:12px;
  transition:background-color .2s ease,color .2s ease;
}
.toc__row:hover{background:var(--brand-tint);color:var(--text);}
.toc__num{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:16px;font-weight:700;color:var(--brand);letter-spacing:.02em;
}
.toc__body h3{font-size:18px;line-height:1.4;transition:color .2s ease;}
.toc__row:hover .toc__body h3{color:var(--brand-dark);}
.toc__meta{margin-top:4px;font-size:13px;color:var(--muted);}
.toc__arrow{
  font-size:18px;color:var(--muted);transition:transform .2s ease,color .2s ease;
}
.toc__row:hover .toc__arrow{transform:translateX(4px);color:var(--brand);}

/* ---------- 精选条目 ---------- */
.featured{
  display:grid;grid-template-columns:1fr 1fr;gap:24px;margin-top:32px;
}
.fcard{
  display:flex;flex-direction:column;
  background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-card);overflow:hidden;
  box-shadow:var(--shadow-card);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.fcard:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:rgba(31,95,191,.3);}
.fcard__media{overflow:hidden;}
.fcard__media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  background:var(--brand-tint);
  transition:transform .4s ease;
}
.fcard:hover .fcard__media img{transform:scale(1.03);}
.fcard__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.fcard__tags{display:flex;flex-wrap:wrap;gap:8px;}
.fcard__body h3{font-size:20px;line-height:1.45;}
.fcard__body p{font-size:14px;line-height:1.85;color:var(--text);}
.fcard__foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:8px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}
.fcard__link{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:14px;}
.fcard__link:hover{text-decoration:underline;}

/* ---------- 数据条 ---------- */
.stats{
  margin-top:32px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
}
.stat{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;
  padding:20px 22px;
}
.stat__num{
  font-family:"SFMono-Regular",Consolas,Menlo,monospace;
  font-size:26px;font-weight:700;color:var(--brand);line-height:1.2;
}
.stat__label{margin-top:6px;font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{display:grid;grid-template-columns:4fr 8fr;gap:40px;align-items:start;margin-top:8px;}
.faq__aside{position:sticky;top:104px;}
.faq__aside h2{font-size:28px;}
.faq__aside p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85;}
.faq__list{border-top:1px solid var(--line);}
.faq__item{border-bottom:1px solid var(--line);}
.faq__q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:16px 8px;
  background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .2s ease;
}
.faq__q:hover{color:var(--brand);}
.faq__icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);background:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;color:var(--brand);line-height:1;
  transition:transform .25s ease,background-color .2s ease;
}
.faq__item.is-open .faq__icon{transform:rotate(45deg);background:var(--brand-tint);}
.faq__a{
  display:grid;grid-template-rows:0fr;
  transition:grid-template-rows .28s ease;
}
.faq__item.is-open .faq__a{grid-template-rows:1fr;}
.faq__a > div{overflow:hidden;}
.faq__a p{padding:0 8px 20px;font-size:15px;line-height:1.85;color:var(--text);}

/* ---------- CTA 面板 ---------- */
.cta-panel{
  margin-top:var(--section);
  background:var(--brand-tint);
  border:1px solid rgba(31,95,191,.16);
  border-radius:var(--radius-hero);
  padding:40px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-panel__text h2{font-size:26px;line-height:1.35;}
.cta-panel__text p{margin-top:10px;font-size:15px;color:#3A5A80;line-height:1.85;max-width:46em;}
.cta-panel__actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.btn--star.is-on{background:var(--accent);border-color:var(--accent);color:#3A2A08;box-shadow:0 8px 18px rgba(232,163,61,.28);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--section);
  background:#0F2438;
  color:#C4D3E2;
  padding:56px 0 28px;
}
.footer__grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;
}
.footer__brand .logo{color:#fff;}
.footer__brand .logo__mark{background:#fff;color:var(--brand);}
.footer__brand .logo:hover{color:#fff;}
.footer__brand p{margin-top:16px;font-size:14px;line-height:1.9;color:#9FB4C9;max-width:26em;}
.footer__share{margin-top:20px;display:flex;gap:10px;flex-wrap:wrap;}
.footer__share button{
  min-height:40px;padding:0 16px;border-radius:10px;
  border:1px solid rgba(255,255,255,.22);
  background:transparent;color:#E4EDF6;font-size:14px;font-weight:600;
  transition:all .2s ease;
}
.footer__share button:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);}
.footer__col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer__col li + li{margin-top:10px;}
.footer__col a{color:#9FB4C9;font-size:14px;}
.footer__col a:hover{color:#fff;}
.footer__bottom{
  margin-top:40px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:#8DA3B8;
}
.to-top{color:#C4D3E2;font-weight:600;}
.to-top:hover{color:#fff;}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:28px;transform:translate(-50%,16px);
  background:#0F2438;color:#fff;
  padding:12px 20px;border-radius:12px;
  font-size:14px;font-weight:600;
  box-shadow:0 16px 40px rgba(16,38,61,.28);
  opacity:0;pointer-events:none;
  transition:opacity .25s ease,transform .25s ease;
  z-index:120;max-width:86vw;text-align:center;
}
.toast.is-show{opacity:1;transform:translate(-50%,0);}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .page-hero h1{font-size:40px;}
}
@media (max-width:992px){
  :root{--section:64px;}
  .nav__menu{display:none;}
  .header__actions .btn{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero__grid{grid-template-columns:1fr;gap:28px;padding:28px;}
  .page-hero h1{font-size:34px;}
  .toc{grid-template-columns:1fr;gap:24px;}
  .toc__aside{position:static;}
  .faq{grid-template-columns:1fr;gap:24px;}
  .faq__aside{position:static;}
  .featured{grid-template-columns:1fr;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .cta-panel{flex-direction:column;align-items:flex-start;padding:32px;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--section:56px;}
  .container{padding:0 18px;}
  .page-hero h1{font-size:32px;line-height:1.25;}
  .page-hero__lead{font-size:16px;}
  .section__head h2,.toc__aside h2,.faq__aside h2{font-size:24px;}
  .toc__row{grid-template-columns:44px 1fr auto;gap:14px;min-height:76px;}
  .toc__body h3{font-size:16px;}
  .fcard__body{padding:20px;}
  .fcard__body h3{font-size:18px;}
  .hero-card{left:10px;bottom:10px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:560px){
  .topbar__timer .sec{display:none;}
  .topbar__inner{font-size:12px;gap:10px;}
  .page-hero{padding-top:22px;}
  .page-hero__grid{padding:22px;}
  .page-hero h1{font-size:28px;}
  .page-hero__actions .btn{width:100%;}
  .filters{padding:12px;gap:8px;}
  .chip{font-size:13px;padding:0 13px;min-height:36px;}
  .stats{grid-template-columns:1fr 1fr;gap:12px;}
  .stat{padding:16px;}
  .stat__num{font-size:22px;}
  .toc__row{grid-template-columns:1fr auto;row-gap:4px;padding:14px 8px;}
  .toc__num{grid-column:1 / -1;font-size:13px;}
  .toc__meta{font-size:12px;}
  .cta-panel{padding:24px;border-radius:20px;}
  .cta-panel__actions{width:100%;}
  .cta-panel__actions .btn{flex:1 1 100%;}
  .footer__grid{grid-template-columns:1fr;}
  .toast{left:16px;right:16px;transform:translateY(16px);max-width:none;}
  .toast.is-show{transform:translateY(0);}
}

/* roulang page: category2 */
:root{
  --blue:#1F5FBF;
  --blue-dark:#174A99;
  --blue-soft:#E8F1FB;
  --amber:#E8A33D;
  --amber-soft:#FFF4E2;
  --ink:#10263D;
  --text:#33475B;
  --muted:#6B7C8F;
  --bg:#F6F8FA;
  --surface:#FFFFFF;
  --line:#E1E9F2;
  --ok:#1F8A70;
  --warn:#C2410C;
  --r-card:20px;
  --r-hero:24px;
  --r-btn:12px;
  --sh:0 10px 30px rgba(16,38,61,.07);
  --sh-hover:0 16px 40px rgba(16,38,61,.12);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;}
a:hover{color:var(--blue-dark);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(31,95,191,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section--tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:36px;}
.section-head h2{font-size:28px;line-height:1.36;color:var(--ink);font-weight:700;letter-spacing:0;}
.section-head p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;line-height:18px;letter-spacing:.02em;
  color:var(--blue-dark);background:var(--blue-soft);
  padding:5px 12px;border-radius:999px;font-weight:600;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--blue);}

/* ===== 顶部公告条 ===== */
.topbar{background:var(--blue-soft);border-bottom:1px solid #D9E6F7;}
.topbar__inner{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:36px;font-size:13px;line-height:18px;color:var(--blue-dark);
}
.topbar__state{display:inline-flex;align-items:center;gap:8px;font-weight:600;white-space:nowrap;}
.dot{width:7px;height:7px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 3px rgba(31,138,112,.16);}
.topbar__count{display:inline-flex;align-items:center;gap:8px;color:var(--text);}
.topbar__count b{font-weight:600;}
.cd{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:.04em;color:var(--blue-dark);font-weight:700;}
.topbar__link{color:var(--blue);font-weight:600;white-space:nowrap;}
.topbar__link:hover{text-decoration:underline;}

/* ===== 导航 ===== */
.site-header{position:sticky;top:0;z-index:60;background:var(--surface);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 6px 24px rgba(16,38,61,.08);}
.nav__inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700;font-size:17px;letter-spacing:.01em;}
.logo:hover{color:var(--ink);}
.logo__mark{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:46px;height:32px;padding:0 8px;border-radius:10px;
  background:linear-gradient(135deg,var(--blue),var(--blue-dark));
  color:#fff;font-size:14px;font-weight:800;letter-spacing:.04em;
}
.logo__text{white-space:nowrap;}
.nav__menu{display:flex;align-items:center;gap:28px;}
.nav__menu a{
  position:relative;display:inline-flex;align-items:center;min-height:44px;
  font-size:15px;font-weight:500;color:var(--text);transition:color .2s ease;
}
.nav__menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;border-radius:2px;
  background:var(--blue);transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.nav__menu a:hover{color:var(--blue);}
.nav__menu a:hover::after,.nav__menu a.is-active::after{transform:scaleX(1);}
.nav__menu a.is-active{color:var(--blue);font-weight:600;}
.nav__actions{display:flex;align-items:center;gap:12px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .18s ease,box-shadow .2s ease;
  text-align:center;
}
.btn--primary{background:var(--blue);color:#fff;box-shadow:0 8px 20px rgba(31,95,191,.22);}
.btn--primary:hover{background:var(--blue-dark);color:#fff;transform:translateY(-1px);}
.btn--primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(31,95,191,.2);}
.btn--ghost{background:var(--surface);color:var(--blue);border-color:#C9DCF3;}
.btn--ghost:hover{background:var(--blue-soft);color:var(--blue-dark);border-color:var(--blue);}
.btn--quiet{background:transparent;color:var(--text);border-color:var(--line);}
.btn--quiet:hover{background:#EEF3F9;color:var(--ink);border-color:#CBD9E8;}
.btn--sm{min-height:40px;padding:0 16px;font-size:14px;}
.btn--block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--blue);}
.link-arrow span{transition:transform .2s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ===== 移动导航抽屉 ===== */
.nav__toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
}
.nav__toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease;}
.nav__toggle:hover{background:var(--blue-soft);border-color:#C9DCF3;}
.nav-drawer{
  position:fixed;inset:0 0 0 auto;width:min(88vw,380px);z-index:120;
  background:var(--surface);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .3s cubic-bezier(.4,0,.2,1);
  display:flex;flex-direction:column;padding:20px 22px 28px;overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0);}
.nav-drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:26px;}
.nav-drawer__close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--surface);
  font-size:22px;line-height:1;color:var(--ink);
}
.nav-drawer__close:hover{background:var(--blue-soft);}
.nav-drawer__menu{display:flex;flex-direction:column;margin-bottom:auto;}
.nav-drawer__menu a{
  font-size:18px;font-weight:600;color:var(--ink);padding:16px 0;border-bottom:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
}
.nav-drawer__menu a.is-active{color:var(--blue);}
.nav-drawer__menu a::after{content:"›";font-size:20px;color:var(--muted);font-weight:400;}
.nav-mask{position:fixed;inset:0;background:rgba(16,38,61,.42);z-index:110;opacity:0;pointer-events:none;transition:opacity .3s ease;}
.nav-mask.is-open{opacity:1;pointer-events:auto;}
body.nav-lock{overflow:hidden;}

/* ===== Hero ===== */
.hero{padding:64px 0 72px;background:linear-gradient(180deg,#FBFDFF 0%,var(--bg) 100%);border-bottom:1px solid var(--line);}
.hero__grid{display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;}
.hero h1{font-size:44px;line-height:1.24;font-weight:700;color:var(--ink);margin:18px 0 0;letter-spacing:-.01em;}
.hero__sub{margin-top:18px;font-size:17px;line-height:1.85;color:var(--text);max-width:34em;}
.hero__actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero__meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;line-height:18px;color:var(--text);
  background:var(--surface);border:1px solid var(--line);border-radius:999px;padding:6px 14px;
}
.chip b{color:var(--ink);font-weight:600;}

.stage-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-hero);
  padding:26px;box-shadow:var(--sh);position:relative;
}
.stage-card__head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px;}
.stage-card__title{font-size:16px;font-weight:700;color:var(--ink);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;line-height:18px;font-weight:600;border-radius:999px;padding:4px 11px;
  background:var(--blue-soft);color:var(--blue-dark);white-space:nowrap;
}
.badge--ok{background:rgba(31,138,112,.12);color:var(--ok);}
.badge--amber{background:var(--amber-soft);color:#8A5A11;}
.badge--line{background:#F1F5FA;color:var(--text);border:1px solid var(--line);}
.stage-row{margin-bottom:18px;}
.stage-row:last-of-type{margin-bottom:0;}
.stage-row__top{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);margin-bottom:8px;}
.stage-row__top b{color:var(--ink);font-weight:600;font-size:14px;}
.bar{height:8px;border-radius:999px;background:#EDF2F8;overflow:hidden;}
.bar i{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--blue),#4C8AE0);}
.bar i.is-done{background:linear-gradient(90deg,var(--ok),#3FBFA0);}
.bar i.is-wait{background:linear-gradient(90deg,#C9D6E5,#DCE6F1);}
.stage-card__foot{
  margin-top:22px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.stage-card__foot strong{color:var(--ink);font-weight:600;}

/* ===== 条目网格 ===== */
.entry-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.entry-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);transition:box-shadow .22s ease,transform .22s ease,border-color .22s ease;
}
.entry-card:hover{box-shadow:var(--sh-hover);transform:translateY(-3px);border-color:#CBDDF3;}
.entry-card__media{position:relative;aspect-ratio:16/9;background:var(--blue-soft);overflow:hidden;}
.entry-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.entry-card:hover .entry-card__media img{transform:scale(1.03);}
.entry-card__status{position:absolute;top:14px;left:14px;background:rgba(255,255,255,.94);color:var(--blue-dark);box-shadow:0 4px 12px rgba(16,38,61,.1);}
.entry-card__body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.entry-card__body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--ink);}
.entry-card__body p{font-size:14px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.entry-card__foot{margin-top:auto;padding-top:14px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;gap:12px;}
.tag{display:inline-flex;align-items:center;font-size:12px;line-height:18px;font-weight:600;color:var(--blue-dark);background:var(--blue-soft);border-radius:999px;padding:4px 11px;}

/* ===== 更新节奏 ===== */
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.panel{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh);
}
.panel h3{font-size:18px;line-height:1.5;color:var(--ink);font-weight:700;margin-bottom:14px;}
.check-list li{
  position:relative;padding-left:26px;font-size:14px;line-height:1.8;color:var(--text);margin-bottom:12px;
}
.check-list li:last-child{margin-bottom:0;}
.check-list li::before{
  content:"";position:absolute;left:0;top:9px;width:8px;height:8px;border-radius:3px;
  background:var(--amber);
}
.panel--soft{background:var(--blue-soft);border-color:#CFE2F8;box-shadow:none;}
.panel--soft h3{color:var(--blue-dark);}
.panel--soft p{font-size:14px;line-height:1.8;color:var(--text);margin-bottom:16px;}

/* ===== 相关分类 ===== */
.related-strip{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.pill-link{
  display:inline-flex;align-items:center;gap:8px;min-height:44px;padding:0 18px;
  border-radius:999px;border:1px solid var(--line);background:var(--surface);
  font-size:14px;font-weight:600;color:var(--ink);transition:all .2s ease;
}
.pill-link:hover{border-color:var(--blue);background:var(--blue-soft);color:var(--blue-dark);transform:translateY(-1px);}
.pill-link::after{content:"→";font-size:13px;color:var(--muted);}
.pill-link:hover::after{color:var(--blue);}

/* ===== CTA ===== */
.cta-panel{
  background:var(--blue-soft);border:1px solid #CFE2F8;border-radius:var(--r-hero);
  padding:44px;display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-panel h2{font-size:26px;line-height:1.4;color:var(--blue-dark);font-weight:700;}
.cta-panel p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--text);max-width:46em;}
.cta-panel__actions{display:flex;gap:12px;flex-wrap:wrap;}
.btn--star.is-on{background:var(--amber);color:#3B2606;border-color:var(--amber);}
.btn--star.is-on:hover{background:#D8932D;color:#3B2606;}

/* ===== FAQ ===== */
.faq-layout{display:grid;grid-template-columns:4fr 8fr;gap:48px;align-items:start;}
.faq-side{position:sticky;top:112px;}
.faq-side h2{font-size:28px;line-height:1.36;color:var(--ink);font-weight:700;}
.faq-side p{margin-top:12px;font-size:15px;line-height:1.8;color:var(--muted);}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  background:transparent;border:0;padding:20px 0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);min-height:64px;transition:color .2s ease;
}
.faq-q:hover{color:var(--blue);}
.faq-icon{position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:50%;background:var(--blue-soft);}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--blue);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:10px;height:2px;}
.faq-icon::after{width:2px;height:10px;transition:transform .25s ease,opacity .25s ease;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-size:15px;line-height:1.75;color:var(--text);padding:0 44px 20px 0;}
.faq-item.is-open .faq-a{max-height:320px;}

/* ===== 页脚 ===== */
.site-footer{background:#0E2438;color:#C7D5E3;padding:64px 0 0;margin-top:8px;}
.site-footer a{color:#C7D5E3;}
.site-footer a:hover{color:#fff;}
.footer__grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px;padding-bottom:44px;}
.footer__brand .logo{color:#fff;margin-bottom:16px;}
.footer__brand .logo__mark{background:linear-gradient(135deg,#2E77DD,#1F5FBF);}
.footer__brand p{font-size:14px;line-height:1.8;color:#9FB4C8;max-width:32em;}
.footer__share{display:flex;gap:10px;margin-top:18px;}
.footer__share button{
  min-height:40px;padding:0 16px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#E3EDF6;font-size:13px;font-weight:600;transition:all .2s ease;
}
.footer__share button:hover{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.32);}
.footer__col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer__col li{margin-bottom:10px;}
.footer__col li a{font-size:14px;color:#9FB4C8;transition:color .2s ease;}
.footer__col li a:hover{color:#fff;}
.footer__bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:20px 0 26px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8CA3B8;
}
.to-top{font-weight:600;color:#C7D5E3;}
.to-top:hover{color:#fff;}

/* ===== Toast ===== */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,16px);
  background:var(--ink);color:#fff;font-size:14px;line-height:1.6;
  padding:12px 22px;border-radius:12px;box-shadow:0 14px 34px rgba(16,38,61,.28);
  opacity:0;pointer-events:none;transition:opacity .25s ease,transform .25s ease;z-index:200;
}
.toast.is-on{opacity:1;transform:translate(-50%,0);}

/* ===== 响应式 ===== */
@media (max-width:1200px){
  .container{max-width:1120px;}
  .hero__grid{gap:40px;}
}
@media (max-width:1024px){
  .hero h1{font-size:38px;}
  .faq-layout{grid-template-columns:1fr;gap:28px;}
  .faq-side{position:static;}
  .footer__grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:992px){
  .nav__menu{display:none;}
  .nav__toggle{display:inline-flex;}
  .nav__actions .btn--primary{display:none;}
  .hero{padding:44px 0 56px;}
  .hero__grid{grid-template-columns:1fr;gap:32px;}
  .hero h1{font-size:34px;}
  .section{padding:64px 0;}
  .cta-panel{grid-template-columns:1fr;padding:32px;gap:22px;}
  .entry-grid{grid-template-columns:1fr;}
}
@media (max-width:768px){
  .topbar__count{display:none;}
  .topbar__inner{justify-content:space-between;}
  .hero h1{font-size:32px;line-height:1.3;}
  .hero__sub{font-size:16px;}
  .section{padding:56px 0;}
  .section-head h2{font-size:24px;}
  .split{grid-template-columns:1fr;}
  .stage-card{padding:22px;}
  .cta-panel h2{font-size:22px;}
  .faq-q{font-size:15px;}
}
@media (max-width:560px){
  .container{padding:0 18px;}
  .cd-sec{display:none;}
  .hero{padding:36px 0 44px;}
  .hero h1{font-size:28px;}
  .hero__actions .btn{width:100%;}
  .section{padding:44px 0;}
  .entry-card__body{padding:18px;}
  .panel{padding:20px;}
  .cta-panel{padding:24px;}
  .cta-panel__actions{width:100%;}
  .cta-panel__actions .btn{flex:1 1 auto;}
  .footer__grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .footer__bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .entry-card__media{aspect-ratio:16/10;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}