/* roulang page: index */
:root{
  --brand:#1D4E89;
  --brand-dark:#163C6B;
  --brand-soft:#EAF0F8;
  --accent:#E2622C;
  --green:#17876A;
  --ink:#141C24;
  --ink-2:#5A6673;
  --line:#E4E8EC;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,28,36,.06);
  --sh-2:0 8px 24px -12px rgba(20,28,36,.14);
  --sh-3:0 14px 32px -14px rgba(29,78,137,.24);
  --bs-body-font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.3;color:var(--ink)}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(29,78,137,.28);outline-offset:2px}
.container{max-width:1200px;padding-left:24px;padding-right:24px}
@media (min-width:1200px){.container{max-width:1200px}}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ---------- 公告条 ---------- */
.notice-bar{
  background:var(--brand-dark);color:#D8E4F2;font-size:13px;min-height:38px;
  display:flex;align-items:center;
}
.notice-bar .container{display:flex;align-items:center;gap:12px;width:100%}
.notice-bar .notice-text{flex:1 1 auto;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice-bar .notice-text i{color:var(--accent);margin-right:8px}
.notice-close{
  background:transparent;border:0;color:#9FB6D2;font-size:16px;line-height:1;
  padding:4px;border-radius:6px;cursor:pointer;transition:background .18s ease,color .18s ease;
}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(20,28,36,.35)}
.header-inner{display:flex;align-items:center;gap:32px;min-height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;font-weight:700;
  letter-spacing:0;box-shadow:var(--sh-2);
}
.brand-text{font-size:18px;font-weight:700;color:var(--ink);letter-spacing:.5px}
.brand-sub{display:block;font-size:11px;font-weight:400;color:var(--ink-2);line-height:1.4;letter-spacing:.4px}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto}
.main-nav .nav-link{
  font-size:15px;color:var(--ink-2);padding:8px 14px;border-radius:999px;
  transition:background .18s ease,color .18s ease;
}
.main-nav .nav-link:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none}
.main-nav .nav-link.active{background:var(--brand);color:#fff}
.header-cta{flex:0 0 auto;margin-left:8px}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:1px solid var(--brand);
  padding:11px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
  text-decoration:none;
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);text-decoration:none}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
  padding:10px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease;text-decoration:none;
}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);text-decoration:none;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-accent{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--accent);color:#fff;border:1.5px solid var(--accent);
  padding:10px 22px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  transition:background .18s ease,transform .18s ease;text-decoration:none;
}
.btn-accent:hover{background:#C9521F;border-color:#C9521F;color:#fff;transform:translateY(-1px);text-decoration:none}
.menu-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--ink);
  display:flex;align-items:center;justify-content:center;font-size:20px;
}
.menu-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* chip 分段导航 */
.chip-row{padding-bottom:12px}
.chip-nav{
  display:flex;gap:8px;background:var(--bg);border-radius:999px;padding:6px;
  overflow-x:auto;white-space:nowrap;scrollbar-width:none;
}
.chip-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;padding:8px 18px;border-radius:999px;font-size:14px;
  color:var(--ink-2);background:transparent;transition:all .18s ease;
}
.chip:hover{background:#fff;color:var(--brand-dark);box-shadow:var(--sh-1);text-decoration:none}
.chip.active{background:var(--brand);color:#fff;font-weight:600}
.chip .dot{display:inline-block;width:5px;height:5px;border-radius:50%;background:var(--accent);margin-left:6px;vertical-align:middle}

/* offcanvas */
.nav-drawer{width:320px}
.nav-drawer .offcanvas-header{border-bottom:1px solid var(--line)}
.nav-drawer .drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;border-bottom:1px dashed var(--line);color:var(--ink);font-size:15px;
}
.nav-drawer .drawer-link:hover{color:var(--brand);text-decoration:none}
.nav-drawer .drawer-link.active{color:var(--brand);font-weight:600}

/* ---------- Hero ---------- */
.hero{padding:64px 0 72px;background:#fff;border-bottom:1px solid var(--line);position:relative;overflow:hidden}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:var(--brand-soft);z-index:0;
}
.hero .container{position:relative;z-index:1}
.hero-row{min-height:480px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;background:var(--brand-soft);color:var(--brand-dark);
  font-size:13px;font-weight:600;padding:6px 14px;border-radius:999px;margin-bottom:20px;
}
.hero-badge i{color:var(--accent)}
.hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;letter-spacing:-.2px;margin-bottom:18px}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px}
.stat-chip{
  display:flex;align-items:center;gap:10px;background:var(--bg);border:1px solid var(--line);
  border-radius:999px;padding:8px 16px 8px 10px;font-size:14px;color:var(--ink-2);
}
.stat-chip b{color:var(--brand-dark);font-size:16px;font-weight:700}
.stat-chip .stat-icon{
  width:26px;height:26px;border-radius:50%;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-size:13px;
}
.hero-figure{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh-2)}
.hero-figure img{width:100%;aspect-ratio:16/9;object-fit:cover}
.hero-float{
  position:absolute;left:18px;bottom:18px;background:rgba(255,255,255,.94);
  border-radius:var(--r-btn);padding:10px 16px;font-size:13px;color:var(--ink-2);
  border:1px solid var(--line);box-shadow:var(--sh-2);
}
.hero-float b{display:block;color:var(--brand-dark);font-size:18px;line-height:1.3}

/* ---------- 板块基础 ---------- */
.section{padding:88px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-dark{background:var(--brand-dark);color:#D9E3F0}
.section-dark h2,.section-dark h3{color:#fff}
.section-head{margin-bottom:36px;max-width:780px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:2px;
  color:var(--accent);text-transform:uppercase;margin-bottom:10px;
}
.section-head h2{font-size:clamp(24px,3vw,32px);margin-bottom:12px}
.section-desc{color:var(--ink-2);font-size:16px;margin:0}

/* ---------- 分类概览卡 ---------- */
.cat-card{
  display:block;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;height:100%;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;text-decoration:none;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3);text-decoration:none}
.cat-card .cat-icon{
  width:44px;height:44px;border-radius:12px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:20px;margin-bottom:18px;
}
.cat-card h3{font-size:20px;margin-bottom:10px}
.cat-card p{font-size:14px;color:var(--ink-2);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.cat-card .cat-more{font-size:14px;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.cat-card .cat-more i{transition:transform .18s ease}
.cat-card:hover .cat-more i{transform:translateX(4px)}
.cat-card .cat-tag{
  display:inline-block;font-size:12px;color:var(--green);background:rgba(23,135,106,.1);
  padding:2px 10px;border-radius:999px;margin-bottom:14px;
}

/* ---------- 主题封面 ---------- */
.cover-lg,.cover-sm{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-1);background:#000;
  transition:transform .18s ease,box-shadow .18s ease;text-decoration:none;
}
.cover-lg:hover,.cover-sm:hover{transform:translateY(-4px);box-shadow:var(--sh-3);text-decoration:none}
.cover-lg img{width:100%;height:100%;min-height:380px;object-fit:cover}
.cover-sm img{width:100%;height:178px;object-fit:cover}
.cover-mask{
  position:absolute;inset:0;background:linear-gradient(180deg,rgba(20,28,36,0) 38%,rgba(20,28,36,.78) 100%);
}
.cover-body{position:absolute;left:0;right:0;bottom:0;padding:22px 24px;color:#fff}
.cover-body span{font-size:12px;letter-spacing:1px;color:#F0BFA6;font-weight:600}
.cover-body h3{color:#fff;font-size:20px;margin:6px 0 6px}
.cover-lg .cover-body h3{font-size:24px}
.cover-body p{font-size:13.5px;color:rgba(255,255,255,.86);margin:0}

/* ---------- 目录列表 ---------- */
.toc-box{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:12px;box-shadow:var(--sh-1);height:100%}
.toc-item{
  display:flex;gap:16px;align-items:flex-start;padding:16px 14px;border-radius:var(--r-btn);
  transition:background .18s ease;text-decoration:none;
}
.toc-item:hover{background:var(--brand-soft);text-decoration:none}
.toc-item + .toc-item{border-top:1px solid var(--line)}
.toc-no{
  flex:0 0 auto;width:38px;height:38px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);font-weight:700;font-size:14px;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.toc-text h3{font-size:16px;font-weight:600;margin-bottom:4px}
.toc-text p{font-size:13.5px;color:var(--ink-2);margin:0;line-height:1.6}
.toc-arrow{margin-left:auto;color:var(--line);font-size:16px;align-self:center;transition:transform .18s ease,color .18s ease}
.toc-item:hover .toc-arrow{color:var(--brand);transform:translateX(4px)}

/* ---------- 精选条目 ---------- */
.feat-wide{
  display:grid;grid-template-columns:1.05fr .95fr;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease;text-decoration:none;
}
.feat-wide:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3);text-decoration:none}
.feat-wide img{width:100%;height:100%;min-height:260px;object-fit:cover;aspect-ratio:3/2}
.feat-wide .feat-body{padding:32px}
.feat-wide h3{font-size:23px;margin:12px 0 12px}
.feat-wide p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px}
.feat-card{
  display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;text-decoration:none;
}
.feat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3);text-decoration:none}
.feat-card img{width:100%;aspect-ratio:3/2;object-fit:cover}
.feat-card .feat-inner{padding:20px}
.feat-card h3{font-size:17px;margin-bottom:8px}
.feat-card p{font-size:13.5px;color:var(--ink-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.tag{
  display:inline-block;font-size:12px;color:var(--green);background:rgba(23,135,106,.1);
  padding:2px 10px;border-radius:999px;
}
.meta-line{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-2);margin-top:14px}
.meta-line .sep{width:1px;height:11px;background:var(--line)}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-card{
  display:grid;grid-template-columns:180px 1fr;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;text-decoration:none;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3);text-decoration:none}
.news-card img{width:100%;height:118px;object-fit:cover;border-radius:10px}
.news-card h3{font-size:17px;margin:8px 0 8px;line-height:1.5}
.news-card p{font-size:13.5px;color:var(--ink-2);margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-card .news-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.news-card .news-foot{display:flex;align-items:center;gap:12px;font-size:12.5px;color:var(--ink-2)}
.news-card .news-foot .go{margin-left:auto;color:var(--brand);font-weight:600;display:inline-flex;align-items:center;gap:6px}
.news-card .news-foot .go i{transition:transform .18s ease}
.news-card:hover .news-foot .go i{transform:translateX(4px)}
.side-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;
  box-shadow:var(--sh-1);position:sticky;top:104px;
}
.side-panel h3{font-size:16px;margin-bottom:16px}
.side-list li{border-bottom:1px dashed var(--line)}
.side-list li:last-child{border-bottom:0}
.side-list a{
  display:flex;align-items:center;gap:10px;padding:12px 0;font-size:14.5px;color:var(--ink);
}
.side-list a:hover{color:var(--brand);text-decoration:none}
.side-list i{color:var(--brand);font-size:14px}
.empty-state{
  background:#fff;border:1.5px dashed var(--line);border-radius:var(--r-card);
  padding:48px 24px;text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.6}
.empty-state p{color:var(--ink-2);font-size:15px;margin:14px 0 18px}

/* ---------- FAQ ---------- */
.accordion-item{
  border:1px solid var(--line);border-radius:var(--r-card);margin-bottom:10px;overflow:hidden;
  background:#fff;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 20px;box-shadow:none;line-height:1.6;
}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark)}
.accordion-button:focus{box-shadow:0 0 0 3px rgba(29,78,137,.22);border-color:transparent}
.accordion-button::after{
  background-image:none;content:"+";display:flex;align-items:center;justify-content:center;
  width:30px;height:30px;flex:0 0 30px;border-radius:50%;border:1.5px solid var(--brand);
  color:var(--brand);font-size:17px;line-height:1;transform:none;font-weight:600;
}
.accordion-button:not(.collapsed)::after{
  background-image:none;content:"−";background-color:var(--brand-soft);
  transform:none;color:var(--brand-dark);border-color:var(--brand);
}
.accordion-body{padding:4px 22px 22px;color:var(--ink-2);font-size:15px}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-soft);border:1px solid rgba(29,78,137,.16);border-radius:18px;
  padding:34px 32px;display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.cta-band .cta-text{flex:1 1 340px}
.cta-band h2{font-size:22px;margin-bottom:8px}
.cta-band p{margin:0;color:var(--ink-2);font-size:14.5px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.share-group{display:flex;gap:10px;margin-left:auto}
.share-group a{
  width:36px;height:36px;border-radius:10px;background:#fff;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;color:var(--ink-2);font-size:15px;
  transition:all .18s ease;
}
.share-group a:hover{background:var(--brand);border-color:var(--brand);color:#fff;text-decoration:none;transform:translateY(-2px)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-dark);color:#B9C9DD;padding:64px 0 0;font-size:14px}
.site-footer .f-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.site-footer .f-brand .brand-mark{background:rgba(255,255,255,.12);box-shadow:none}
.site-footer .f-brand span{color:#fff;font-size:17px;font-weight:700}
.site-footer p{color:#9FB3CC;font-size:13.5px;line-height:1.8}
.site-footer h3{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;letter-spacing:.5px}
.f-links li{margin-bottom:2px}
.f-links a{color:#B9C9DD;font-size:14px;line-height:1.9;display:inline-block;transition:color .18s ease}
.f-links a:hover{color:var(--accent);text-decoration:none}
.f-contact li{display:flex;gap:10px;align-items:flex-start;color:#B9C9DD;margin-bottom:10px;font-size:14px}
.f-contact i{color:#6E93BE;margin-top:5px}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:22px 0;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#8CA3C0;
}
.footer-bottom a{color:#8CA3C0}
.footer-bottom a:hover{color:#fff;text-decoration:none}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .side-panel{position:static;margin-top:24px}
}
@media (max-width:991.98px){
  .section{padding:64px 0}
  .hero{padding:44px 0 56px}
  .hero-row{min-height:auto}
  .hero-figure{margin-top:32px}
  .cover-lg img{min-height:300px}
  .feat-wide{grid-template-columns:1fr}
  .feat-wide img{min-height:200px}
  .header-inner{min-height:64px;gap:16px}
}
@media (max-width:767.98px){
  .section{padding:48px 0}
  .container{padding-left:18px;padding-right:18px}
  .news-card{grid-template-columns:1fr}
  .news-card img{height:180px}
  .btn-brand,.btn-ghost,.btn-accent{width:100%}
  .hero-actions{flex-direction:column;align-items:stretch}
  .cta-band{padding:26px 20px}
  .share-group{margin-left:0}
  .footer-bottom{flex-direction:column;gap:6px}
}

/* roulang page: category1 */
:root{
  --brand:#1D4E89;
  --brand-deep:#163C6B;
  --brand-soft:#EAF0F8;
  --accent:#E2622C;
  --green:#17876A;
  --ink:#141C24;
  --muted:#5A6673;
  --line:#E4E8EC;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --sh-1:0 1px 2px rgba(20,28,36,.06);
  --sh-2:0 8px 24px -12px rgba(20,28,36,.14);
  --sh-3:0 14px 32px -14px rgba(29,78,137,.24);
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);text-decoration:none;}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;color:var(--ink);}
p{margin:0;}
ul{list-style:none;margin:0;padding:0;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(29,78,137,.35);outline-offset:2px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ============ 公告条 ============ */
.notice-bar{
  background:var(--brand-deep);
  color:#DCE6F3;
  min-height:38px;
  display:flex;
  align-items:center;
  font-size:13.5px;
  transition:height .25s ease,opacity .25s ease,padding .25s ease;
}
.notice-bar.is-hidden{height:0;min-height:0;opacity:0;overflow:hidden;padding:0;}
.notice-inner{display:flex;align-items:center;gap:10px;width:100%;}
.notice-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 7px;}
.notice-inner p{flex:1;line-height:1.5;padding:8px 0;color:#DCE6F3;}
.notice-close{
  background:transparent;border:0;color:#9FB4CE;cursor:pointer;
  width:28px;height:28px;border-radius:8px;display:grid;place-items:center;flex:0 0 28px;
  transition:background .18s ease,color .18s ease;
}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff;}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 10px 26px -18px rgba(20,28,36,.45);}
.header-main{display:flex;align-items:center;gap:24px;min-height:74px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-size:18px;font-weight:700;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:18px;font-weight:700;box-shadow:var(--sh-2);
}
.brand-text{white-space:nowrap;letter-spacing:.2px;}

.main-nav{display:flex;flex:1 1 auto;justify-content:center;align-items:center;gap:4px;}
.main-nav .nav-link{
  display:inline-block;font-size:15px;color:var(--muted);font-weight:500;
  padding:8px 14px;border-radius:999px;white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.main-nav .nav-link:hover{background:var(--brand-soft);color:var(--brand);}
.main-nav .nav-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600;}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--brand);color:#fff;border:0;border-radius:var(--r-btn);
  padding:12px 24px;font-size:15px;font-weight:600;line-height:1.2;
  box-shadow:var(--sh-2);cursor:pointer;
  transition:background .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3);}
.btn-brand:active{transform:translateY(1px);}
.btn-brand.btn-sm{padding:10px 18px;font-size:14px;}
.btn-outline-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:transparent;color:var(--brand);border:1.5px solid var(--brand);
  border-radius:var(--r-btn);padding:11px 22px;font-size:15px;font-weight:600;line-height:1.2;
  cursor:pointer;transition:background .18s ease,color .18s ease,transform .18s ease;
}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-deep);transform:translateY(-1px);}
.btn-outline-brand:active{transform:translateY(1px);}
.btn-plain{
  display:inline-flex;align-items:center;gap:6px;background:#fff;color:var(--ink);
  border:1px solid var(--line);border-radius:var(--r-btn);padding:10px 18px;font-size:14px;
  cursor:pointer;transition:border-color .18s ease,color .18s ease,box-shadow .18s ease;
}
.btn-plain:hover{border-color:rgba(29,78,137,.35);color:var(--brand);box-shadow:var(--sh-1);}

.nav-toggle{
  width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--brand);font-size:20px;display:grid;place-items:center;cursor:pointer;
}
.nav-toggle:hover{border-color:rgba(29,78,137,.35);}

/* chip 分段导航 */
.chip-row-wrap{padding-bottom:14px;}
.chip-row{
  display:flex;gap:6px;background:var(--brand-soft);padding:6px;border-radius:999px;
  width:fit-content;max-width:100%;margin:0 auto;overflow-x:auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.chip-row::-webkit-scrollbar{display:none;}
.chip{
  white-space:nowrap;padding:8px 18px;border-radius:999px;font-size:14px;
  color:var(--muted);background:transparent;transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.chip:hover{background:#fff;color:var(--brand);box-shadow:var(--sh-1);}
.chip.active{background:var(--brand);color:#fff;font-weight:600;}

/* offcanvas */
.offcanvas{max-width:88vw;}
.offcanvas-header{border-bottom:1px solid var(--line);}
.offcanvas-title{font-size:17px;font-weight:700;}
.offcanvas-body .m-nav a{
  display:block;padding:13px 14px;border-radius:10px;font-size:15px;color:var(--ink);
  border:1px solid transparent;
}
.offcanvas-body .m-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.offcanvas-body .m-nav a.active{background:var(--brand-soft);color:var(--brand);font-weight:600;border-color:rgba(29,78,137,.18);}

/* ============ 页头横条 ============ */
.page-banner{
  position:relative;
  background-image:linear-gradient(102deg,rgba(22,60,107,.94) 0%,rgba(22,60,107,.82) 52%,rgba(22,60,107,.58) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:52px 0 56px;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;right:-80px;bottom:-110px;width:320px;height:320px;
  border-radius:50%;background:rgba(226,98,44,.16);pointer-events:none;
}
.banner-inner{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px;
}
.breadcrumb-line a{color:rgba(255,255,255,.82);}
.breadcrumb-line a:hover{color:#fff;text-decoration:underline;}
.breadcrumb-line .sep{color:rgba(255,255,255,.45);}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  background:rgba(255,255,255,.16);color:#fff;border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:5px 14px;font-size:12px;letter-spacing:.4px;
}
.badge-soft.dark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.22);color:#D9E4F2;}
.page-banner h1{
  color:#fff;font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;
  margin:18px 0 14px;max-width:820px;
}
.banner-lead{
  font-size:17px;line-height:1.8;color:rgba(255,255,255,.86);max-width:720px;
}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;
}
.banner-stats li{
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  border-radius:10px;padding:12px 18px;min-width:150px;
}
.banner-stats strong{
  display:block;font-size:22px;font-weight:700;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.banner-stats span{font-size:13px;color:rgba(255,255,255,.75);}

/* ============ 主体两栏 ============ */
.section{padding:88px 0;}
.section.tight{padding:64px 0 88px;}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{font-size:clamp(24px,3vw,30px);position:relative;padding-left:16px;}
.section-head h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);
}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px;}

.cat-layout{display:grid;grid-template-columns:288px minmax(0,1fr);gap:40px;align-items:start;}

.side-col{position:sticky;top:118px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:16px;margin-bottom:14px;display:flex;align-items:center;gap:8px;}
.side-card h3 i{color:var(--brand);}
.toc-list{display:flex;flex-direction:column;gap:2px;}
.toc-list a{
  display:flex;align-items:center;gap:10px;padding:10px 12px;border-radius:10px;
  font-size:14.5px;color:var(--muted);transition:background .18s ease,color .18s ease;
}
.toc-list a:hover{background:var(--brand-soft);color:var(--brand);}
.toc-list a .toc-idx{
  font-variant-numeric:tabular-nums;font-size:12px;font-weight:700;color:var(--accent);
  background:#FDF1EA;border-radius:6px;padding:2px 7px;flex:0 0 auto;
}
.side-note{border-left:3px solid var(--green);background:var(--bg);border-radius:10px;padding:14px 16px;}
.side-note p{font-size:14px;color:var(--muted);line-height:1.7;}
.side-note strong{color:var(--ink);}

.group-block{margin-bottom:44px;}
.group-block:last-child{margin-bottom:0;}
.group-block > h2{
  font-size:22px;margin-bottom:8px;display:flex;align-items:center;gap:10px;
}
.group-block > h2 .g-line{flex:1;height:1px;background:var(--line);}
.group-block > p.g-desc{color:var(--muted);font-size:14.5px;margin-bottom:20px;}

.entry-list{display:flex;flex-direction:column;gap:14px;}
.entry-item{
  display:flex;align-items:flex-start;gap:18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 22px;box-shadow:var(--sh-1);
  transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.entry-item:hover{
  transform:translateY(-4px);border-color:rgba(29,78,137,.3);box-shadow:var(--sh-3);
}
.entry-num{
  flex:0 0 46px;font-size:19px;font-weight:700;color:var(--accent);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;line-height:1.5;
}
.entry-body{min-width:0;flex:1;}
.entry-body h3{font-size:19px;margin-bottom:6px;}
.entry-body h3 a{color:var(--ink);}
.entry-item:hover .entry-body h3 a{color:var(--brand);}
.entry-body p{font-size:14.5px;color:var(--muted);line-height:1.75;}
.entry-tags{display:flex;flex-wrap:wrap;gap:6px;margin-top:10px;}
.tag{
  display:inline-block;font-size:12px;padding:3px 10px;border-radius:999px;
  background:#E9F5F1;color:var(--green);
}
.tag.blue{background:var(--brand-soft);color:var(--brand);}
.tag.warn{background:#FDF1EA;color:var(--accent);}
.entry-arrow{
  flex:0 0 auto;color:var(--brand);font-size:18px;margin-top:6px;
  transition:transform .18s ease;
}
.entry-item:hover .entry-arrow{transform:translateX(4px);}

/* ============ 深色数据区 ============ */
.dark-metrics{background:var(--brand-deep);color:#fff;padding:88px 0;}
.dark-metrics .section-head h2{color:#fff;}
.dark-metrics .section-head h2::before{background:var(--accent);}
.dark-metrics .section-head p{color:rgba(255,255,255,.72);}
.metric-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.metric-card{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:24px 22px;
  transition:background .18s ease,transform .18s ease,border-color .18s ease;
}
.metric-card:hover{background:rgba(255,255,255,.12);transform:translateY(-4px);border-color:rgba(226,98,44,.5);}
.metric-card .m-num{
  font-size:32px;font-weight:700;color:#fff;line-height:1.2;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.metric-card .m-num em{font-style:normal;font-size:16px;color:var(--accent);margin-left:4px;}
.metric-card h3{font-size:15.5px;color:#fff;margin:10px 0 6px;}
.metric-card p{font-size:13.5px;color:rgba(255,255,255,.68);line-height:1.7;}

.metric-bar{margin-top:32px;display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.mbar-item{
  display:flex;align-items:center;gap:12px;padding:16px 18px;border-radius:12px;
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.12);
}
.mbar-item .mbar-i{
  width:32px;height:32px;border-radius:9px;background:rgba(226,98,44,.18);
  color:var(--accent);display:grid;place-items:center;font-size:16px;flex:0 0 32px;
}
.mbar-item strong{display:block;font-size:14.5px;color:#fff;}
.mbar-item span{font-size:13px;color:rgba(255,255,255,.62);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:var(--r-card)!important;
  margin-bottom:8px;overflow:hidden;box-shadow:var(--sh-1);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:20px 22px;box-shadow:none!important;border:0;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--brand-soft);}
.accordion-button::after{
  content:"+";display:grid;place-items:center;
  width:28px;height:28px;flex:0 0 28px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);font-size:17px;line-height:1;
  background:transparent;transform:none;margin-left:14px;
  transition:background .18s ease,color .18s ease;
}
.accordion-button:not(.collapsed)::after{content:"−";background:#fff;}
.accordion-body{padding:6px 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-band{
  background:var(--brand-soft);border:1px solid rgba(29,78,137,.16);
  border-radius:var(--r-card);padding:36px 36px;
  display:flex;align-items:center;gap:28px;flex-wrap:wrap;
}
.cta-band .cta-text{flex:1 1 320px;min-width:260px;}
.cta-band h2{font-size:24px;margin-bottom:8px;}
.cta-band p{color:var(--muted);font-size:15px;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.share-group{display:flex;align-items:center;gap:8px;margin-left:6px;}
.share-btn{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);background:#fff;
  color:var(--muted);display:grid;place-items:center;font-size:16px;cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease;
}
.share-btn:hover{background:#fff;color:var(--brand);border-color:rgba(29,78,137,.35);}
.fav-btn.is-on{color:var(--accent);border-color:rgba(226,98,44,.5);background:#FDF1EA;}
.fav-btn.is-on i{animation:pop .18s ease;}
@keyframes pop{0%{transform:scale(1);}60%{transform:scale(1.22);}100%{transform:scale(1);}}

/* ============ 页脚 ============ */
.site-footer{background:var(--brand-deep);color:#C7D5E6;padding:64px 0 0;margin-top:0;}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px;}
.f-brand .brand-mark{background:#fff;color:var(--brand-deep);}
.site-footer p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.7);max-width:340px;}
.site-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px;}
.f-links li{margin-bottom:8px;}
.f-links a{font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;}
.f-links a:hover{color:var(--accent);}
.f-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.72);line-height:1.9;margin-bottom:10px;}
.f-contact i{color:var(--accent);margin-top:4px;}
.footer-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.14);
  padding:20px 0;display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .cat-layout{grid-template-columns:240px minmax(0,1fr);gap:28px;}
  .metric-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .header-main{min-height:66px;}
  .section{padding:64px 0;}
  .section.tight{padding:48px 0 64px;}
  .cat-layout{grid-template-columns:minmax(0,1fr);gap:28px;}
  .side-col{position:static;}
  .dark-metrics{padding:64px 0;}
  .page-banner{padding:40px 0 44px;}
}
@media (max-width:767.98px){
  body{line-height:1.8;}
  .container{padding-left:18px;padding-right:18px;}
  .section{padding:48px 0;}
  .section.tight{padding:40px 0 48px;}
  .banner-stats li{min-width:calc(50% - 6px);flex:1 1 calc(50% - 6px);}
  .entry-item{padding:18px 16px;gap:12px;}
  .entry-num{flex:0 0 36px;font-size:17px;}
  .entry-body h3{font-size:17px;}
  .entry-arrow{margin-top:2px;}
  .metric-grid{grid-template-columns:minmax(0,1fr);}
  .metric-bar{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding:26px 20px;gap:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-outline-brand{flex:1 1 100%;justify-content:center;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:519.98px){
  .banner-stats li{min-width:100%;flex:1 1 100%;}
  .brand-text{font-size:16px;}
  .notice-inner p{font-size:12.5px;}
}

/* roulang page: article */
:root{
  --primary:#1D4E89;
  --primary-dark:#163C6B;
  --primary-soft:#EAF0F8;
  --accent:#E2622C;
  --green:#17876A;
  --ink:#141C24;
  --muted:#5A6673;
  --line:#E4E8EC;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --radius-card:14px;
  --radius-btn:10px;
  --radius-img:12px;
  --shadow-1:0 1px 2px rgba(20,28,36,.06);
  --shadow-2:0 8px 24px -12px rgba(20,28,36,.14);
  --shadow-3:0 14px 32px -14px rgba(29,78,137,.24);
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
a:hover{color:var(--primary-dark);}
h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
button{font-family:inherit;}
::selection{background:rgba(29,78,137,.16);}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.num,.toc-num,.step-num,.idx{font-variant-numeric:tabular-nums;}

/* ---------- 顶部公告条 ---------- */
.notice-bar{background:var(--primary-dark);color:#E7EEF7;font-size:13px;}
.notice-inner{display:flex;align-items:center;gap:10px;min-height:38px;}
.notice-dot{width:6px;height:6px;border-radius:50%;background:var(--accent);flex:0 0 auto;}
.notice-inner p{flex:1;margin:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;line-height:1.6;}
.notice-close{background:transparent;border:0;color:#CBD9E8;font-size:18px;line-height:1;cursor:pointer;padding:2px 8px;border-radius:6px;transition:background-color .18s ease,color .18s ease;}
.notice-close:hover{background:rgba(255,255,255,.12);color:#fff;}
.notice-close:focus-visible{outline:2px solid rgba(255,255,255,.5);outline-offset:1px;}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .22s ease;}
.site-header.is-stuck{box-shadow:var(--shadow-2);}
.header-top{display:flex;align-items:center;gap:24px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--ink);flex:0 0 auto;}
.brand:hover{color:var(--primary);}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--primary);color:#fff;display:grid;place-items:center;font-size:16px;font-weight:700;letter-spacing:0;}
.brand-text small{display:block;font-size:11px;font-weight:500;color:var(--muted);letter-spacing:.06em;line-height:1.2;}
.main-nav{display:flex;align-items:center;gap:4px;margin:0 auto;}
.main-nav .nav-link{padding:9px 15px;border-radius:999px;font-size:15px;font-weight:500;color:var(--muted);background:transparent;}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-soft);}
.main-nav .nav-link.active{color:var(--primary);background:var(--primary-soft);font-weight:600;}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.nav-toggle{width:42px;height:42px;border-radius:10px;border:1px solid var(--line);background:#fff;color:var(--primary);font-size:20px;display:grid;place-items:center;cursor:pointer;margin-left:auto;}
.nav-toggle:hover{background:var(--primary-soft);border-color:rgba(29,78,137,.3);}
.nav-toggle:focus-visible{outline:3px solid rgba(29,78,137,.25);outline-offset:2px;}
.mobile-panel{padding:8px 0 20px;border-top:1px solid var(--line);}
.mobile-panel .m-link{display:block;padding:12px 4px;font-size:15px;color:var(--ink);border-bottom:1px solid var(--line);}
.mobile-panel .m-link.active{color:var(--primary);font-weight:600;}
.mobile-panel .m-link:hover{color:var(--primary);}

/* ---------- 分段标签导航 ---------- */
.header-chips{background:var(--bg);border-top:1px solid var(--line);}
.chip-scroll{display:flex;align-items:center;gap:6px;overflow-x:auto;padding:8px 0;scrollbar-width:none;-ms-overflow-style:none;}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip{flex:0 0 auto;padding:8px 18px;border-radius:999px;font-size:14px;color:var(--muted);background:transparent;white-space:nowrap;transition:background-color .18s ease,color .18s ease,box-shadow .18s ease;}
.chip:hover{background:#fff;color:var(--primary);box-shadow:var(--shadow-1);}
.chip.active{background:var(--primary);color:#fff;font-weight:600;}

/* ---------- 按钮 ---------- */
.btn-main{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--primary);color:#fff;border:1px solid var(--primary);padding:12px 24px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background-color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.btn-main:hover{background:var(--primary-dark);border-color:var(--primary-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-3);}
.btn-main:active{transform:translateY(1px);}
.btn-main:focus-visible{outline:3px solid rgba(29,78,137,.25);outline-offset:2px;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:transparent;color:var(--primary);border:1.5px solid var(--primary);padding:11px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:600;cursor:pointer;transition:background-color .18s ease,transform .18s ease;}
.btn-ghost:hover{background:var(--primary-soft);color:var(--primary);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:focus-visible{outline:3px solid rgba(29,78,137,.25);outline-offset:2px;}
.btn-sm{padding:9px 18px;font-size:14px;}

/* ---------- 文章页头 ---------- */
.article-hero{position:relative;background:#fff;border-bottom:1px solid var(--line);overflow:hidden;}
.article-hero::before{content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.13;}
.article-hero .container{position:relative;z-index:1;padding-top:26px;padding-bottom:34px;}
.breadcrumb-nav{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:20px;}
.breadcrumb-nav a{color:var(--muted);}
.breadcrumb-nav a:hover{color:var(--primary);}
.breadcrumb-nav .sep{color:#B7C0CA;}
.breadcrumb-nav .current{color:var(--ink);max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.article-hero-grid{display:grid;grid-template-columns:1fr;gap:24px;align-items:end;}
@media (min-width:992px){.article-hero-grid{grid-template-columns:minmax(0,1fr) auto;gap:40px;}}
.hero-flag{display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;color:var(--primary);background:var(--primary-soft);border-radius:999px;padding:5px 14px;margin-bottom:16px;}
.article-title{font-size:clamp(26px,3.6vw,40px);line-height:1.28;font-weight:700;letter-spacing:0;margin-bottom:18px;}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 20px;font-size:14px;color:var(--muted);}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:6px;}
.article-meta .meta-item i{color:var(--primary);font-size:15px;}
.meta-cat{display:inline-flex;align-items:center;gap:6px;background:var(--primary-soft);color:var(--primary);padding:3px 12px;border-radius:999px;font-size:12.5px;font-weight:600;}
.article-actions{display:flex;flex-wrap:wrap;gap:10px;}
.icon-btn{display:inline-flex;align-items:center;gap:8px;height:40px;padding:0 16px;border:1px solid var(--line);border-radius:10px;background:#fff;color:var(--muted);font-size:14px;cursor:pointer;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease;}
.icon-btn:hover{border-color:rgba(29,78,137,.4);color:var(--primary);background:var(--primary-soft);}
.icon-btn:focus-visible{outline:3px solid rgba(29,78,137,.25);outline-offset:2px;}
.icon-btn.is-on{color:var(--accent);border-color:var(--accent);background:#FCF0E9;animation:pop .18s ease;}
@keyframes pop{0%{transform:scale(1);}50%{transform:scale(1.06);}100%{transform:scale(1);}}

/* ---------- 正文布局 ---------- */
.article-wrap{padding:48px 0 72px;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:40px;}
@media (min-width:1200px){.article-layout{grid-template-columns:minmax(0,1fr) 300px;gap:48px;}}
.article-main{min-width:0;max-width:800px;}
.article-body{font-size:16px;line-height:1.85;color:var(--ink);}
.article-body p{margin:0 0 20px;}
.article-body h2{font-size:26px;margin:40px 0 16px;padding-left:14px;border-left:4px solid var(--primary);line-height:1.4;}
.article-body h3{font-size:20px;margin:30px 0 12px;font-weight:700;}
.article-body h4{font-size:17px;margin:24px 0 10px;font-weight:700;color:var(--primary-dark);}
.article-body blockquote{margin:24px 0;padding:16px 20px;background:var(--primary-soft);border-left:3px solid var(--primary);border-radius:0 10px 10px 0;color:#3D4A57;}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:24px;}
.article-body ul li,.article-body ol li{margin-bottom:8px;}
.article-body img{border-radius:var(--radius-img);margin:24px 0;width:100%;height:auto;border:1px solid var(--line);}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:8px;}
.article-body table{display:block;width:100%;overflow-x:auto;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;min-width:110px;}
.article-body th{background:var(--primary-soft);font-weight:600;}
.article-body a{color:var(--primary);border-bottom:1px solid rgba(29,78,137,.3);}
.article-body a:hover{color:var(--primary-dark);border-bottom-color:var(--primary-dark);}
.article-body code{background:#F1F3F5;border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;}

/* ---------- 空态 ---------- */
.empty-state{margin:8px 0 0;padding:56px 24px;border:1px dashed #C8D1DA;border-radius:var(--radius-card);background:#fff;text-align:center;}
.empty-state i{font-size:34px;color:#A9B5C1;display:block;margin-bottom:14px;}
.empty-state h2{font-size:20px;margin-bottom:10px;}
.empty-state p{font-size:14px;color:var(--muted);margin-bottom:20px;}

/* ---------- 文末区块 ---------- */
.tag-list{display:flex;flex-wrap:wrap;gap:8px;margin-top:40px;}
.tag{display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;background:#fff;border:1px solid var(--line);font-size:13px;color:var(--muted);}
.tag:hover{border-color:rgba(29,78,137,.4);color:var(--primary);background:var(--primary-soft);}
.engage-bar{margin-top:32px;background:var(--primary-soft);border:1px solid #D8E3F1;border-radius:var(--radius-card);padding:24px;}
.engage-bar h3{font-size:18px;margin-bottom:6px;}
.engage-bar p{font-size:14px;color:var(--muted);margin-bottom:16px;}
.engage-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 继续查阅 ---------- */
.next-nav{display:grid;grid-template-columns:1fr;gap:16px;margin-top:40px;}
@media (min-width:768px){.next-nav{grid-template-columns:1fr 1fr;}}
.next-card{display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:18px 20px;box-shadow:var(--shadow-1);transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.next-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(29,78,137,.3);color:var(--ink);}
.next-card .nc-icon{width:42px;height:42px;border-radius:12px;background:var(--primary-soft);color:var(--primary);display:grid;place-items:center;font-size:18px;flex:0 0 auto;}
.next-card .nc-body{flex:1;min-width:0;}
.next-card .nc-label{font-size:12px;color:var(--muted);letter-spacing:.04em;}
.next-card .nc-title{font-size:15px;font-weight:600;color:var(--ink);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.next-card .nc-arrow{color:var(--primary);transition:transform .18s ease;}
.next-card:hover .nc-arrow{transform:translateX(4px);}

/* ---------- 延伸阅读 ---------- */
.related{padding:64px 0 8px;border-top:1px solid var(--line);margin-top:56px;}
.sec-head{margin-bottom:28px;}
.sec-head h2{font-size:26px;margin-bottom:8px;}
.sec-head p{font-size:15px;color:var(--muted);}
.rel-grid{display:grid;grid-template-columns:1fr;gap:24px;}
@media (min-width:768px){.rel-grid{grid-template-columns:1fr 1fr;}}
@media (min-width:992px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);overflow:hidden;box-shadow:var(--shadow-1);display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease;}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-3);border-color:rgba(29,78,137,.3);}
.rel-thumb{aspect-ratio:3/2;overflow:hidden;background:#E9EDF1;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:17px;line-height:1.45;}
.rel-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rel-meta{display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:var(--muted);margin-top:auto;}
.pill{display:inline-flex;align-items:center;gap:5px;background:#E9F4F0;color:var(--green);border-radius:999px;padding:3px 10px;font-size:12px;font-weight:600;}
.rel-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--primary);}
.rel-link i{transition:transform .18s ease;}
.rel-card:hover .rel-link i{transform:translateX(4px);}

/* ---------- FAQ ---------- */
.faq-section{padding:64px 0;}
.faq-section .sec-head{text-align:center;max-width:640px;margin:0 auto 28px;}
.accordion-item{border:1px solid var(--line);border-radius:var(--radius-card) !important;margin-bottom:8px;overflow:hidden;background:#fff;box-shadow:var(--shadow-1);}
.accordion-button{font-size:16px;font-weight:600;color:var(--ink);background:#fff;padding:18px 20px;box-shadow:none !important;}
.accordion-button:not(.collapsed){color:var(--primary);background:var(--primary-soft);}
.accordion-button::after{background-image:none;content:"\F4FE";font-family:"bootstrap-icons";font-size:16px;width:26px;height:26px;line-height:26px;text-align:center;border-radius:50%;border:1.5px solid var(--primary);color:var(--primary);display:flex;align-items:center;justify-content:center;transition:transform .2s ease,background-color .2s ease;}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);background:var(--primary);color:#fff;border-color:var(--primary);}
.accordion-body{padding:4px 20px 20px;font-size:15px;color:var(--muted);line-height:1.8;}

/* ---------- 侧栏 ---------- */
.article-side{display:none;}
@media (min-width:1200px){.article-side{display:block;}}
.side-sticky{position:sticky;top:112px;}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:20px;box-shadow:var(--shadow-1);margin-bottom:20px;}
.side-card h3{font-size:15px;font-weight:700;margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.toc-list{list-style:none;padding:0;margin:0;}
.toc-list li{margin-bottom:10px;}
.toc-list a{display:flex;gap:10px;font-size:14px;color:var(--muted);line-height:1.6;}
.toc-list a:hover{color:var(--primary);}
.toc-num{color:var(--accent);font-weight:700;flex:0 0 auto;}
.side-links{list-style:none;padding:0;margin:0;}
.side-links li{border-bottom:1px dashed var(--line);}
.side-links li:last-child{border-bottom:0;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 0;font-size:14px;color:var(--ink);}
.side-links a:hover{color:var(--primary);}
.side-links i{font-size:12px;color:var(--primary);}
.side-note{font-size:13px;color:var(--muted);line-height:1.75;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--primary-dark);color:#C9D7E6;padding:64px 0 0;margin-top:24px;}
.site-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;}
.f-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:#fff;margin-bottom:14px;}
.f-brand .brand-mark{background:#fff;color:var(--primary-dark);}
.site-footer p{font-size:14px;line-height:1.9;color:#AFC2D6;max-width:360px;}
.f-links{list-style:none;padding:0;margin:0;}
.f-links li{margin-bottom:2px;}
.f-links a{font-size:14px;line-height:1.9;color:#C9D7E6;}
.f-links a:hover{color:var(--accent);}
.f-contact{list-style:none;padding:0;margin:0;}
.f-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.9;color:#C9D7E6;margin-bottom:6px;}
.f-contact i{color:var(--accent);margin-top:5px;}
.footer-bottom{display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;border-top:1px solid rgba(255,255,255,.14);margin-top:48px;padding:20px 0 24px;font-size:13px;color:#93A9C0;}

/* ---------- 返回顶部 ---------- */
.to-top{position:fixed;right:20px;bottom:24px;width:44px;height:44px;border-radius:12px;background:#fff;border:1px solid var(--line);color:var(--primary);display:none;place-items:center;font-size:18px;cursor:pointer;box-shadow:var(--shadow-2);z-index:1040;}
.to-top.show{display:grid;}
.to-top:hover{background:var(--primary-soft);}

@media (max-width:991.98px){
  .header-top{gap:16px;padding:12px 0;}
  .brand{font-size:17px;}
  .article-hero .container{padding-top:20px;padding-bottom:26px;}
}
@media (max-width:767.98px){
  .article-wrap{padding:32px 0 56px;}
  .related{padding:48px 0 8px;margin-top:40px;}
  .faq-section{padding:48px 0;}
  .site-footer{padding:48px 0 0;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:18px;}
  .engage-bar{padding:20px;}
  .engage-actions .btn-main,.engage-actions .btn-ghost{width:100%;}
  .site-footer p{max-width:none;}
}

/* roulang page: category3 */
:root{
  --brand:#1D4E89;
  --brand-dark:#163C6B;
  --brand-soft:#EAF0F8;
  --accent:#E2622C;
  --green:#17876A;
  --ink:#141C24;
  --muted:#5A6673;
  --line:#E4E8EC;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-chip:999px;
  --sh-1:0 1px 2px rgba(20,28,36,.06);
  --sh-2:0 8px 24px -12px rgba(20,28,36,.14);
  --sh-3:0 14px 32px -14px rgba(29,78,137,.24);
  --sp-1:4px;--sp-2:8px;--sp-3:12px;--sp-4:16px;--sp-5:24px;--sp-6:32px;--sp-7:48px;--sp-8:64px;--sp-9:88px;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border-radius:var(--r-img);object-fit:cover}
a{color:var(--brand);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--brand-dark);text-decoration:underline}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.35}
h1{font-size:clamp(28px,4vw,44px);line-height:1.25}
h2{font-size:clamp(22px,2.4vw,30px);position:relative;padding-left:16px}
h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand)}
h3{font-size:20px}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(29,78,137,.28);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--sp-9) 0}
.section-sm{padding:var(--sp-8) 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:var(--sp-6)}
.sec-head p{color:var(--muted);font-size:15px;max-width:620px}

/* 顶部公告条 */
.topbar{background:var(--brand-dark);color:#DCE6F2;font-size:13.5px;height:38px;display:flex;align-items:center}
.topbar .container{display:flex;align-items:center;justify-content:space-between;gap:16px}
.topbar .tb-text{display:flex;align-items:center;gap:8px;overflow:hidden;white-space:nowrap;text-overflow:ellipsis}
.topbar .tb-text i{color:#F0A177}
.tb-close{background:none;border:0;color:#B9C9DC;font-size:16px;line-height:1;cursor:pointer;padding:4px}
.tb-close:hover{color:#fff}

/* Header */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 8px 22px -16px rgba(20,28,36,.4)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);font-weight:700}
.brand:hover{text-decoration:none;color:var(--ink)}
.brand-mark{width:36px;height:36px;border-radius:10px;background:var(--brand);color:#fff;display:inline-flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;letter-spacing:0}
.brand-text{font-size:18px;letter-spacing:.2px}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;justify-content:center}
.main-nav .nav-link{color:var(--muted);font-size:15px;font-weight:500;padding:8px 14px;border-radius:var(--r-btn);white-space:nowrap}
.main-nav .nav-link:hover{color:var(--brand);background:var(--brand-soft);text-decoration:none}
.main-nav .nav-link.active{color:var(--brand);background:var(--brand-soft);font-weight:600}
.header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.nav-toggle{display:inline-flex;align-items:center;gap:6px;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);padding:8px 12px;color:var(--ink);font-size:14px}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* 分段标签 */
.chip-bar{display:flex;gap:8px;overflow-x:auto;padding:0 0 12px;scrollbar-width:none;-ms-overflow-style:none}
.chip-bar::-webkit-scrollbar{display:none}
.chip{display:inline-flex;align-items:center;gap:6px;padding:8px 18px;border-radius:var(--r-chip);font-size:14px;color:var(--muted);background:transparent;border:1px solid transparent;white-space:nowrap;transition:all .18s ease}
.chip:hover{background:#fff;color:var(--brand);box-shadow:var(--sh-1);text-decoration:none}
.chip.active,.chip.is-on{background:var(--brand);color:#fff;border-color:var(--brand);font-weight:600}
.chip.static-chip{cursor:default}
.chip.static-chip:hover{background:#fff;color:var(--muted);box-shadow:none}
.chip.static-chip.is-on:hover{background:var(--brand);color:#fff}

/* 按钮 */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-size:15px;font-weight:600;border-radius:var(--r-btn);padding:12px 24px;border:1px solid transparent;cursor:pointer;transition:all .18s ease;line-height:1.4}
.btn:hover{text-decoration:none}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:var(--sh-1)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border:1.5px solid var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark)}
.btn-soft{background:#fff;color:var(--ink);border:1px solid var(--line)}
.btn-soft:hover{border-color:var(--brand);color:var(--brand)}
.btn-sm{padding:9px 16px;font-size:14px}
.btn.is-disabled{opacity:.4;cursor:not-allowed;pointer-events:none}

/* 页头 */
.page-head{padding:var(--sp-7) 0 var(--sp-6);background:#fff;border-bottom:1px solid var(--line)}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.crumb a{color:var(--muted)}
.crumb a:hover{color:var(--brand)}
.crumb-now{color:var(--ink)}
.page-head h1{max-width:900px}
.page-head .lead{margin-top:16px;font-size:17px;color:var(--muted);max-width:760px}
.filter-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;padding:6px;background:var(--bg);border-radius:var(--r-chip);width:fit-content;max-width:100%}

/* 卡片墙 */
.cards-grid{display:grid;gap:24px;grid-template-columns:1fr}
.t-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;display:flex;flex-direction:column;transition:transform .18s ease,box-shadow .18s ease,border-color .18s ease}
.t-card:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3)}
.t-card-media{display:block;overflow:hidden;background:var(--brand-soft)}
.t-card-media img{width:100%;height:200px;border-radius:0;transition:transform .3s ease}
.t-card:hover .t-card-media img{transform:scale(1.03)}
.t-card-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.t-card-body h3{font-size:19px}
.t-card-body h3 a{color:var(--ink)}
.t-card-body h3 a:hover{color:var(--brand);text-decoration:none}
.t-card-body p{font-size:15px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.t-card-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.t-card-foot .arrow i{transition:transform .18s ease;color:var(--brand)}
.t-card:hover .t-card-foot .arrow i{transform:translateX(4px)}
.tag{display:inline-flex;align-items:center;padding:3px 10px;border-radius:6px;font-size:12px;font-weight:600;background:#E7F4F0;color:var(--green);width:fit-content}
.tag.tag-blue{background:var(--brand-soft);color:var(--brand)}
.tag.tag-orange{background:#FBEBE3;color:var(--accent)}
.t-card.is-feature .t-card-media img{height:100%;min-height:230px}
.t-card.is-feature .t-card-body h3{font-size:22px}

@media(min-width:768px){
  .cards-grid{grid-template-columns:repeat(2,1fr)}
}
@media(min-width:992px){
  .cards-grid{grid-template-columns:repeat(3,1fr)}
  .t-card.is-feature{grid-column:span 2;flex-direction:row;align-items:stretch}
  .t-card.is-feature .t-card-media{flex:0 0 42%}
  .t-card.is-feature .t-card-media img{height:100%;min-height:100%}
  .t-card.is-feature .t-card-body{padding:28px}
}
@media(min-width:1200px){
  .cards-grid{grid-template-columns:repeat(4,1fr)}
  .t-card.is-feature{grid-column:span 2}
}

/* 数据条 */
.kpi-band{position:relative;background:var(--brand-dark) url('/assets/images/backpic/back-1.webp') center/cover no-repeat;color:#fff;border-radius:18px;padding:var(--sp-7) var(--sp-6);overflow:hidden}
.kpi-band::before{content:"";position:absolute;inset:0;background:rgba(22,60,107,.9)}
.kpi-band .inner{position:relative;z-index:1}
.kpi-band h2{color:#fff}
.kpi-band h2::before{background:var(--accent)}
.kpi-band .band-desc{color:#C9D8EA;font-size:15px;margin-top:14px;max-width:640px}
.kpi-grid{display:grid;gap:20px;grid-template-columns:1fr;margin-top:var(--sp-6)}
.kpi{background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:var(--r-card);padding:22px}
.kpi-num{display:block;font-size:34px;font-weight:700;color:#fff;letter-spacing:.5px}
.kpi-num em{font-size:15px;font-style:normal;color:#F0A177;margin-left:4px;font-weight:600}
.kpi-label{display:block;margin-top:6px;font-size:14px;color:#C9D8EA}
@media(min-width:768px){.kpi-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:992px){.kpi-grid{grid-template-columns:repeat(4,1fr)}}

/* FAQ */
.faq-wrap{max-width:880px}
.accordion-item{background:#fff;border:1px solid var(--line) !important;border-radius:var(--r-card) !important;margin-bottom:8px;overflow:hidden;box-shadow:var(--sh-1)}
.accordion-button{background:#fff;color:var(--ink);font-size:16px;font-weight:600;padding:18px 20px;box-shadow:none !important;border:0;gap:12px}
.accordion-button:not(.collapsed){background:var(--brand-soft);color:var(--brand-dark)}
.accordion-button::after{
  content:"+";background-image:none !important;width:28px;height:28px;border-radius:50%;
  border:1.5px solid var(--brand);color:var(--brand);font-size:18px;line-height:1;
  display:flex;align-items:center;justify-content:center;transform:none;transition:all .18s ease;flex:0 0 auto;
}
.accordion-button:not(.collapsed)::after{content:"−";background:var(--brand-soft);transform:none}
.accordion-body{padding:0 20px 20px;color:var(--muted);font-size:15.5px}

/* CTA 条 */
.cta-band{background:var(--brand-soft);border:1px solid rgba(29,78,137,.16);border-radius:18px;padding:var(--sp-6);display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between}
.cta-band h2{padding-left:0;font-size:24px}
.cta-band h2::before{display:none}
.cta-band p{color:var(--muted);font-size:15px;margin-top:8px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.fav-btn{display:inline-flex;align-items:center;gap:8px}
.fav-btn i{transition:transform .18s ease,color .18s ease}
.fav-btn.is-on i{color:var(--accent);transform:scale(1.12)}
.share-row{display:flex;gap:8px;margin-top:18px}
.icon-btn{width:36px;height:36px;border-radius:var(--r-btn);border:1px solid var(--line);background:#fff;color:var(--muted);display:inline-flex;align-items:center;justify-content:center;transition:all .18s ease}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:rgba(29,78,137,.3);text-decoration:none}

/* 移动导航 */
.mobile-nav{width:320px}
.mobile-nav .offcanvas-header{border-bottom:1px solid var(--line);padding:18px 20px}
.mobile-nav .m-brand{display:flex;align-items:center;gap:10px;font-weight:700;font-size:17px}
.mobile-nav .offcanvas-body{padding:16px 20px 28px;display:flex;flex-direction:column;gap:6px}
.m-link{padding:12px 14px;border-radius:var(--r-btn);color:var(--ink);font-size:15px;font-weight:500}
.m-link:hover{background:var(--bg);color:var(--brand);text-decoration:none}
.m-link.active{background:var(--brand-soft);color:var(--brand);font-weight:600}
.mobile-nav .btn{margin-top:14px}

/* 页脚 */
.site-footer{background:var(--brand-dark);color:#C9D8EA;padding:var(--sp-8) 0 0;margin-top:var(--sp-9)}
.site-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:18px;margin-bottom:16px}
.f-brand .brand-mark{background:#fff;color:var(--brand-dark)}
.site-footer p{font-size:14px;line-height:1.9;color:#A9BDD6;max-width:340px}
.f-links,.f-contact{list-style:none;padding:0;margin:0}
.f-links li a{color:#C9D8EA;font-size:14px;line-height:1.9}
.f-links li a:hover{color:#F0A177;text-decoration:none}
.f-contact li{display:flex;gap:10px;font-size:14px;line-height:1.9;color:#C9D8EA;margin-bottom:6px}
.f-contact li i{color:#F0A177;margin-top:5px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.14);margin-top:var(--sp-7);padding:20px 0;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#93A9C4}

@media(max-width:991.98px){
  .section{padding:var(--sp-8) 0}
  .kpi-band{padding:var(--sp-6) var(--sp-5)}
  .page-head{padding:var(--sp-6) 0 var(--sp-5)}
}
@media(max-width:767.98px){
  .section{padding:var(--sp-7) 0}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .t-card-media img{height:180px}
  .btn{width:100%}
  .btn.w-auto-mobile{width:auto}
  .cta-band{padding:24px}
  .page-head .lead{font-size:16px}
  .site-footer{padding-top:var(--sp-7)}
}
@media(max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:16px}
  .topbar{font-size:12.5px}
}

/* roulang page: category2 */
:root{
  --brand:#1D4E89;
  --brand-dark:#163C6B;
  --brand-soft:#EAF0F8;
  --accent:#E2622C;
  --green:#17876A;
  --ink:#141C24;
  --muted:#5A6673;
  --line:#E4E8EC;
  --bg:#F5F6F4;
  --card:#FFFFFF;
  --r-card:14px;
  --r-btn:10px;
  --r-img:12px;
  --r-chip:999px;
  --r-badge:6px;
  --sh-1:0 1px 2px rgba(20,28,36,.06);
  --sh-2:0 8px 24px -12px rgba(20,28,36,.14);
  --sh-3:0 14px 32px -14px rgba(29,78,137,.24);
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,form{margin:0}
ul,ol{padding:0;list-style:none}
img{display:block;max-width:100%;height:auto}
a{color:var(--brand);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease)}
a:hover{color:var(--brand-dark);text-decoration:none}
button{font:inherit}
:focus-visible{outline:3px solid rgba(29,78,137,.28);outline-offset:2px}
.num{font-variant-numeric:tabular-nums}

/* ===== 容器 ===== */
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;--bs-gutter-x:0}

/* ===== 顶部公告 ===== */
.topbar{background:var(--brand-dark);color:#E8EEF6;font-size:13px;line-height:1.6}
.topbar-inner{display:flex;align-items:center;gap:10px;min-height:38px;padding-top:6px;padding-bottom:6px}
.topbar-dot{width:7px;height:7px;border-radius:50%;background:var(--accent);flex:0 0 7px}
.topbar-text{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.topbar-close{background:none;border:0;color:#C9D6E6;font-size:18px;line-height:1;cursor:pointer;padding:0 2px}
.topbar-close:hover{color:#fff}

/* ===== 头部 ===== */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-stuck{box-shadow:0 6px 20px -14px rgba(20,28,36,.35)}
.header-main{display:flex;align-items:center;gap:24px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink)}
.brand:hover{color:var(--ink)}
.brand-mark{
  width:38px;height:38px;border-radius:10px;
  background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:700;letter-spacing:.5px;
}
.brand-text{font-size:19px;font-weight:700;letter-spacing:.2px;white-space:nowrap}
.main-nav{flex:1 1 auto;justify-content:center;gap:6px;display:flex;align-items:center}
.main-nav .nav-link{
  color:var(--muted);font-size:15px;padding:8px 14px;border-radius:8px;white-space:nowrap;
}
.main-nav .nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.main-nav .nav-link.active{color:var(--brand);font-weight:600;background:var(--brand-soft)}
.header-cta{flex:0 0 auto;display:flex;align-items:center;gap:12px}
.nav-toggle{
  margin-left:auto;display:inline-flex;align-items:center;gap:6px;
  background:#fff;border:1.5px solid var(--line);border-radius:var(--r-btn);
  padding:8px 14px;color:var(--ink);font-size:15px;cursor:pointer;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand)}

/* ===== 分段标签导航 ===== */
.seg-wrap{padding-bottom:14px}
.seg-nav{
  display:flex;gap:6px;align-items:center;
  background:var(--brand-soft);
  border-radius:var(--r-chip);
  padding:6px;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.seg-nav::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 18px;border-radius:var(--r-chip);
  font-size:14px;color:var(--muted);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.chip:hover{background:#fff;color:var(--brand);box-shadow:var(--sh-1)}
.chip.active{background:var(--brand);color:#fff;font-weight:600}
.chip.active:hover{background:var(--brand-dark);color:#fff}

/* ===== 按钮 ===== */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand)}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-3)}
.btn-brand:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--brand);border-color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand-dark)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn[disabled],.btn-brand[disabled],.btn-ghost[disabled]{opacity:.4;cursor:not-allowed;transform:none;box-shadow:none}

/* ===== 页头 ===== */
.page-hero{
  position:relative;
  background-color:var(--brand-dark);
  background-image:linear-gradient(120deg,rgba(22,60,107,.94),rgba(29,78,137,.82)),url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  color:#fff;
  padding:72px 0 96px;
}
.page-hero .narrow{max-width:820px;margin:0 auto;text-align:center}
.crumb{display:flex;justify-content:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:20px}
.crumb a{color:rgba(255,255,255,.72)}
.crumb a:hover{color:#fff}
.crumb span.sep{opacity:.6}
.page-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.25;font-weight:700;letter-spacing:.2px}
.hero-lead{margin-top:16px;font-size:16px;color:rgba(255,255,255,.86);line-height:1.8}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;justify-content:center;margin-top:24px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:var(--r-chip);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);color:#fff;
}

/* ===== 指标条 ===== */
.metrics{margin-top:-56px;position:relative;z-index:5}
.metrics-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:22px 20px;
}
.metric .m-val{font-size:26px;font-weight:700;color:var(--brand);line-height:1.3;font-variant-numeric:tabular-nums}
.metric .m-val small{font-size:14px;font-weight:600;color:var(--accent);margin-left:4px}
.metric .m-label{font-size:14px;color:var(--muted);margin-top:6px}

/* ===== 板块 ===== */
.section{padding:96px 0}
.section.alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:40px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;color:var(--brand);
  background:var(--brand-soft);border-radius:var(--r-chip);padding:6px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,2.6vw,32px);line-height:1.32;font-weight:700}
.section-head p{margin-top:12px;color:var(--muted);font-size:15px;line-height:1.8}

/* ===== 阶梯时间轴 ===== */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:23px;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,var(--brand-soft),var(--line));
}
.phase{position:relative;padding-left:72px;margin-bottom:56px}
.phase:last-child{margin-bottom:0}
.phase-num{
  position:absolute;left:0;top:0;
  width:48px;height:48px;border-radius:14px;
  background:#fff;border:1.5px solid var(--brand);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:var(--sh-1);
}
.phase-head{max-width:760px;margin-bottom:24px}
.phase-head h2{font-size:clamp(21px,2.2vw,26px);font-weight:700;line-height:1.35;display:flex;align-items:baseline;gap:12px}
.phase-head h2 em{font-style:normal;color:var(--accent);font-size:15px;font-weight:700;font-variant-numeric:tabular-nums}
.phase-head p{margin-top:10px;color:var(--muted);font-size:15px}
.phase-grid{display:grid;gap:24px}

/* 图文卡（左右交替） */
.pcard{
  display:grid;grid-template-columns:minmax(0,240px) minmax(0,1fr);
  gap:22px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.pcard:hover{transform:translateY(-4px);box-shadow:var(--sh-3);border-color:rgba(29,78,137,.3)}
.pcard.reverse{grid-template-columns:minmax(0,1fr) minmax(0,240px)}
.pcard.reverse .pcard-media{order:2}
.pcard.reverse .pcard-body{order:1}
.pcard-media{border-radius:var(--r-img);overflow:hidden;background:var(--brand-soft)}
.pcard-media img{width:100%;aspect-ratio:3/2;object-fit:cover}
.pcard-body h3{font-size:20px;font-weight:700;line-height:1.4;margin-bottom:8px}
.pcard-body p{
  color:var(--muted);font-size:15px;line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pcard-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:14px}
.tag{
  font-size:12px;padding:4px 10px;border-radius:var(--r-badge);
  background:rgba(23,135,106,.1);color:var(--green);font-weight:600;
}
.tag.blue{background:var(--brand-soft);color:var(--brand)}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.arrow-link i{transition:transform var(--ease)}
.arrow-link:hover i{transform:translateX(4px)}

/* ===== 核对清单 + 表单 ===== */
.check-wrap{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:56px;align-items:start}
.check-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:14px 24px;margin-top:8px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--ink);line-height:1.7}
.check-list i{color:var(--green);font-size:18px;line-height:1.6;flex:0 0 auto}
.form-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-2);padding:28px 26px;
}
.form-card h3{font-size:20px;font-weight:700;margin-bottom:6px}
.form-card .form-sub{font-size:14px;color:var(--muted);margin-bottom:20px}
.field{margin-bottom:16px}
.field label{display:block;font-size:13px;font-weight:600;color:var(--muted);margin-bottom:6px}
.field input,.field select,.field textarea{
  width:100%;padding:11px 14px;font-size:15px;color:var(--ink);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(29,78,137,.16);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-hint{display:none;font-size:14px;color:var(--green);background:rgba(23,135,106,.08);border-radius:var(--r-btn);padding:10px 14px;margin-top:12px}
.form-hint.is-visible{display:block}
.form-note{font-size:13px;color:var(--muted);margin-top:12px}

/* ===== FAQ ===== */
.faq-wrap{max-width:900px;margin:0 auto}
.accordion{--bs-accordion-border-width:1px;--bs-accordion-border-color:var(--line);--bs-accordion-active-bg:#fff;--bs-accordion-active-color:var(--brand-dark);--bs-accordion-btn-focus-box-shadow:none;--bs-accordion-body-padding-x:22px;--bs-accordion-btn-padding-x:22px}
.accordion-item{border:1px solid var(--line);border-radius:var(--r-card) !important;background:#fff;margin-bottom:8px;box-shadow:var(--sh-1);overflow:hidden}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--ink);background:#fff;
  padding:18px 22px;line-height:1.6;
}
.accordion-button:not(.collapsed){color:var(--brand-dark);background:#fff;box-shadow:none}
.accordion-button::after{
  background-image:none !important;
  content:"+";
  width:28px;height:28px;flex:0 0 28px;
  display:flex;align-items:center;justify-content:center;
  font-size:18px;font-weight:600;color:var(--brand);
  border:1.5px solid var(--brand);border-radius:50%;
  transform:none;transition:background-color var(--ease),color var(--ease);
}
.accordion-button:not(.collapsed)::after{content:"–";background:var(--brand-soft)}
.accordion-body{padding:0 22px 20px;color:var(--muted);font-size:15px;line-height:1.85}

/* ===== CTA 条 ===== */
.cta-band{
  background:var(--brand-soft);border-radius:18px;
  padding:40px;display:flex;flex-wrap:wrap;gap:24px;align-items:center;justify-content:space-between;
}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4}
.cta-band p{color:var(--muted);font-size:15px;margin-top:8px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.share-group{display:flex;gap:8px;margin-top:18px}
.share-group a{
  width:36px;height:36px;border-radius:var(--r-btn);
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);
}
.share-group a:hover{background:var(--brand);border-color:var(--brand);color:#fff}
.rel-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;justify-content:center}
.rel-chips a{
  padding:8px 18px;border-radius:var(--r-chip);font-size:14px;font-weight:600;
  background:#fff;border:1px solid var(--line);color:var(--brand);
}
.rel-chips a:hover{border-color:var(--brand);background:var(--brand-soft)}

/* ===== 返回顶部 ===== */
#backTop{
  position:fixed;right:24px;bottom:28px;z-index:1040;
  width:46px;height:46px;border-radius:50%;
  background:var(--brand);color:#fff;border:0;cursor:pointer;
  display:flex;align-items:center;justify-content:center;font-size:18px;
  box-shadow:var(--sh-3);opacity:0;pointer-events:none;transform:translateY(8px);
  transition:opacity var(--ease),transform var(--ease),background-color var(--ease);
}
#backTop.is-visible{opacity:1;pointer-events:auto;transform:translateY(0)}
#backTop:hover{background:var(--brand-dark)}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-dark);color:#D7E1EE;padding:72px 0 28px;margin-top:8px}
.site-footer h3{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px;letter-spacing:.3px}
.f-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:16px}
.f-brand .brand-mark{background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24)}
.site-footer p{font-size:14px;line-height:1.9;color:#B9C8DA;max-width:340px}
.f-links li,.f-contact li{font-size:14px;line-height:1.9}
.f-links a{color:#B9C8DA}
.f-links a:hover{color:#F0915F}
.f-contact li{display:flex;gap:10px;color:#B9C8DA;margin-bottom:8px}
.f-contact i{color:#8FB2DC;font-size:15px;line-height:1.7}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:#9FB2C8;
}

/* ===== 响应式 ===== */
@media (max-width:1199.98px){
  .section{padding:72px 0}
  .metrics-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .check-wrap{grid-template-columns:1fr;gap:40px}
}
@media (max-width:991.98px){
  .header-main{min-height:66px}
  .page-hero{padding:56px 0 84px}
  .section{padding:68px 0}
  .pcard,.pcard.reverse{grid-template-columns:minmax(0,1fr)}
  .pcard.reverse .pcard-media{order:0}
  .pcard.reverse .pcard-body{order:0}
}
@media (max-width:767.98px){
  .container{padding-left:16px;padding-right:16px}
  .section{padding:52px 0}
  .metrics{margin-top:-40px}
  .metrics-grid{grid-template-columns:1fr;gap:16px}
  .timeline::before{left:17px}
  .phase{padding-left:52px;margin-bottom:40px}
  .phase-num{width:36px;height:36px;border-radius:10px;font-size:14px}
  .check-list{grid-template-columns:1fr}
  .field-row{grid-template-columns:1fr}
  .cta-band{padding:26px 20px;border-radius:14px}
  .cta-band .cta-actions{width:100%}
  .cta-band .btn-brand,.cta-band .btn-ghost{flex:1 1 100%}
  .footer-bottom{flex-direction:column;gap:6px}
  #backTop{right:16px;bottom:18px}
}