:root{
  --st-c:#3E6AA8;
  --st-d:#172033;
  --st-ink:#243044;
  --st-mute:#66758A;
  --st-bg:#EEF2F7;
  --st-card:#fff;
  --st-line:rgba(23,32,51,.1);
  --st-wrap:1180px;
  --st-paper:#F7F9FC;
  --st-soft:#E4EBF5;
  --st-ui:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --st-sans:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;font-family:var(--st-sans);color:var(--st-ink);line-height:1.7;
  background:
    radial-gradient(900px 380px at 0% -10%,rgba(62,106,168,.08),transparent 55%),
    linear-gradient(180deg,#F7F9FC,#EEF2F7);
}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font:inherit}
.st-wrap{width:min(100% - 36px,var(--st-wrap));margin:0 auto}

.st-header{
  position:sticky;top:0;z-index:40;background:rgba(247,249,252,.95);
  border-bottom:1px solid transparent;transition:.25s;
}
.st-header.is-scrolled{background:#fff;border-bottom-color:var(--st-line);box-shadow:0 8px 24px rgba(23,32,51,.06)}
.st-bar{display:flex;align-items:center;gap:16px;padding:12px 0;flex-wrap:nowrap}
.st-logo{display:flex;align-items:center;gap:12px;flex-shrink:0;min-width:0}
.st-mark{
  width:42px;height:42px;border-radius:10px;background:linear-gradient(145deg,#fff,var(--st-soft));
  border:1px solid rgba(62,106,168,.28);position:relative;
}
.st-mark::before{
  content:"";position:absolute;left:10px;right:10px;top:12px;height:2px;background:var(--st-c);border-radius:2px;
  box-shadow:0 7px 0 var(--st-c),0 14px 0 rgba(62,106,168,.35);
}
.st-logo-text{display:flex;flex-direction:column;gap:2px;min-width:0}
.st-logo-text strong{font-family:var(--st-ui);font-size:1.15rem;font-weight:800;letter-spacing:-.02em;line-height:1.15;color:var(--st-d)}
.st-logo-text em{font-style:normal;font-size:11px;color:var(--st-mute);font-family:var(--st-ui);font-weight:600}
.st-nav{flex:1;min-width:0}
.st-nav>ul{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:2px}
.st-nav>ul>li{position:relative}
.st-nav>ul>li>a{display:block;padding:9px 13px;font-size:14px;border-radius:8px;transition:.2s;font-family:var(--st-ui);font-weight:700}
.st-nav>ul>li.is-active>a,.st-nav>ul>li>a:hover{background:rgba(62,106,168,.12);color:var(--st-c)}
.st-subnav{
  display:none;position:absolute;right:0;top:100%;min-width:148px;background:#fff;
  border:1px solid var(--st-line);border-radius:10px;z-index:5;box-shadow:0 14px 28px rgba(23,32,51,.08);padding:6px;overflow:hidden;
}
.st-nav>ul>li:hover>.st-subnav{display:block}
.st-subnav a{display:block;padding:8px 10px;font-size:13px;border-radius:6px}
.st-subnav a:hover{background:var(--st-paper);color:var(--st-c)}
.st-nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--st-line);background:#fff;cursor:pointer;border-radius:8px;
  padding:0;margin-left:auto;flex-direction:column;align-items:center;justify-content:center;gap:5px;
}
.st-nav-toggle span{display:block;width:18px;height:2px;background:var(--st-ink);flex-shrink:0}
.st-nav-mask{display:none}
.st-main{min-height:60vh;display:block;width:100%}

/* compact hero + flash list */
.st-hero{
  position:relative;isolation:isolate;overflow:hidden;
  background:linear-gradient(120deg,#FFFFFF 0%,#F3F7FC 55%,#E8EEF8 100%);
  border-bottom:1px solid var(--st-line);
}
.st-hero-compact{min-height:0}
.st-gridpaper{
  position:absolute;inset:0;pointer-events:none;opacity:.4;
  background-image:
    linear-gradient(rgba(62,106,168,.08) 1px,transparent 1px),
    linear-gradient(90deg,rgba(62,106,168,.08) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(ellipse at 20% 30%,#000 15%,transparent 70%);
}
.st-hero-row{
  position:relative;z-index:1;display:grid;grid-template-columns:1.35fr .85fr;gap:20px;align-items:stretch;
  padding:36px 0 32px;
}
.st-hero-copy{display:flex;flex-direction:column;justify-content:center;padding:8px 0}
.st-brand{
  margin:0 0 10px;font-family:var(--st-ui);font-size:12px;letter-spacing:.2em;
  text-transform:uppercase;color:var(--st-c);font-weight:800;
}
.st-hero h1{
  margin:0 0 12px;font-family:var(--st-ui);font-weight:800;color:var(--st-d);
  font-size:clamp(1.7rem,3.8vw,2.55rem);line-height:1.2;letter-spacing:-.03em;
}
.st-hero-desc{margin:0 0 22px;max-width:36em;color:var(--st-mute);font-size:1rem;line-height:1.8}
.st-hero-actions{display:flex;flex-wrap:wrap;gap:10px}
.st-cta{
  display:inline-flex;align-items:center;min-height:44px;padding:0 20px;border-radius:10px;
  background:var(--st-c);color:#fff;font-family:var(--st-ui);font-weight:800;font-size:14px;
  box-shadow:0 10px 24px rgba(62,106,168,.28);transition:transform .2s,background .2s;
}
.st-cta:hover{transform:translateY(-2px);background:#335990}
.st-cta-ghost{
  display:inline-flex;align-items:center;min-height:44px;padding:0 18px;border-radius:10px;
  background:#fff;color:var(--st-d);border:1px solid var(--st-line);font-family:var(--st-ui);font-weight:700;font-size:14px;
}
.st-cta-ghost:hover{border-color:rgba(62,106,168,.4);color:var(--st-c)}
.st-hero-flash{
  background:#fff;border:1px solid var(--st-line);border-radius:16px;padding:18px 18px 10px;
  box-shadow:0 16px 36px rgba(23,32,51,.06);
}
.st-flash-label{
  margin:0 0 12px;font-family:var(--st-ui);font-size:12px;font-weight:800;letter-spacing:.12em;
  text-transform:uppercase;color:var(--st-c);
}
.st-hero-flash li+li{border-top:1px dashed var(--st-line)}
.st-hero-flash a{display:grid;grid-template-columns:48px 1fr;gap:10px;padding:10px 0;align-items:start}
.st-hero-flash time{font-family:var(--st-ui);font-size:12px;color:var(--st-c);font-weight:800;padding-top:2px}
.st-hero-flash span{font-size:14px;line-height:1.45;font-weight:600}
.st-hero-flash a:hover span{color:var(--st-c)}

.st-sec-hd{margin:34px 0 14px;display:flex;align-items:baseline;gap:12px;flex-wrap:wrap}
.st-sec-hd h2{margin:0;font-family:var(--st-ui);font-size:clamp(1.25rem,2vw,1.55rem);color:var(--st-d);font-weight:800;letter-spacing:-.02em}
.st-sec-hd p{margin:0;color:var(--st-mute);font-size:13px;font-family:var(--st-ui);font-weight:600;flex:1}
.st-more{font-size:13px;color:var(--st-c);font-family:var(--st-ui);font-weight:800}
.st-more:hover{text-decoration:underline}

/* spotlight */
.st-spot-grid{display:grid;grid-template-columns:1.2fr .9fr;gap:14px;margin-bottom:6px}
.st-lead{
  background:linear-gradient(160deg,#E8EEF8 0%,#F7F9FC 48%,#fff);
  border:1px solid var(--st-line);border-radius:18px;min-height:360px;
  box-shadow:0 14px 32px rgba(23,32,51,.05);
}
.st-lead a{display:flex;flex-direction:column;justify-content:flex-end;height:100%;min-height:360px;padding:28px 26px}
.st-badge{
  align-self:flex-start;font-family:var(--st-ui);font-size:12px;font-weight:800;
  letter-spacing:.08em;color:#fff;background:var(--st-c);padding:5px 12px;border-radius:999px;margin-bottom:14px;
}
.st-lead h3{margin:0 0 12px;font-family:var(--st-ui);font-size:clamp(1.35rem,2.5vw,1.9rem);line-height:1.25;font-weight:800}
.st-lead p{margin:0 0 16px;color:var(--st-mute);font-size:15px;max-width:42em}
.st-lead time{font-family:var(--st-ui);font-size:13px;color:var(--st-c);font-weight:700}
.st-spot-list{
  background:#fff;border:1px solid var(--st-line);border-radius:18px;overflow:hidden;
  counter-reset:sp;
}
.st-spot-list li{counter-increment:sp}
.st-spot-list li+li{border-top:1px solid var(--st-line)}
.st-spot-list a{
  display:grid;grid-template-columns:28px 52px 1fr;gap:8px 10px;padding:12px 16px;align-items:start;
  transition:background .2s;
}
.st-spot-list a::before{
  content:counter(sp,decimal-leading-zero);font-family:var(--st-ui);font-weight:800;font-size:13px;color:var(--st-c);padding-top:2px;
}
.st-spot-list a:hover{background:var(--st-paper)}
.st-spot-list time{font-family:var(--st-ui);font-size:12px;color:var(--st-mute);font-weight:700;padding-top:2px}
.st-spot-list h4{margin:0;grid-column:3;font-size:15px;line-height:1.35;font-weight:700}
.st-spot-list p{margin:0;grid-column:3;color:var(--st-mute);font-size:12px;line-height:1.5}

/* twin rails — side by side, top-aligned with shared wrap width */
.st-rails{
  display:grid!important;
  grid-template-columns:minmax(0,1.2fr) minmax(0,1fr)!important;
  gap:14px;
  margin:8px auto 10px;
  align-items:stretch;
  width:min(100% - 36px,var(--st-wrap));
}
.st-rail{
  min-width:0;
  width:100%;
  height:100%;
  display:flex;
  flex-direction:column;
  background:#fff;border:1px solid var(--st-line);border-radius:18px;padding:8px 18px 12px;
  box-shadow:0 10px 28px rgba(23,32,51,.03);
}
.st-rail .st-sec-hd{
  margin:10px 0 8px;
  flex-shrink:0;
  min-height:2.6em;
  align-items:center;
}
.st-rail-list,.st-rec-list{flex:1;min-width:0}
.st-rail-list li+li,.st-rec-list li+li{border-top:1px dashed var(--st-line)}
.st-rail-list a{
  display:grid;grid-template-columns:88px minmax(0,1fr);gap:10px;align-items:center;padding:10px 0;
}
.st-rail-list time{font-family:var(--st-ui);font-size:12px;color:var(--st-mute);font-weight:700}
.st-rail-list h3{margin:0;font-size:14px;line-height:1.4;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.st-rail-list a:hover h3{color:var(--st-c)}
.st-rec-list{counter-reset:rc}
.st-rec-list li{counter-increment:rc}
.st-rec-list a{
  display:grid;grid-template-columns:28px minmax(0,1fr) auto;gap:10px;align-items:center;padding:10px 0;
}
.st-rec-list a::before{
  content:counter(rc,decimal-leading-zero);font-family:var(--st-ui);font-weight:800;font-size:13px;color:var(--st-c);
}
.st-rec-list h3{margin:0;font-size:14px;line-height:1.35;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;min-width:0}
.st-rec-list time{font-family:var(--st-ui);font-size:12px;color:var(--st-mute);font-weight:600;white-space:nowrap}
.st-rec-list a:hover h3{color:var(--st-c)}

/* digest band */
.st-band{margin:18px 0;padding:8px 0 28px;background:linear-gradient(180deg,rgba(62,106,168,.05),transparent)}
.st-digest-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px}
.st-digest{
  display:flex;flex-direction:column;gap:8px;min-height:150px;padding:18px;
  background:#fff;border:1px solid var(--st-line);border-radius:16px;
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.st-digest:hover{transform:translateY(-3px);border-color:rgba(62,106,168,.35);box-shadow:0 14px 28px rgba(62,106,168,.1)}
.st-digest time{font-family:var(--st-ui);font-size:12px;color:var(--st-c);font-weight:800}
.st-digest h3{margin:0;font-family:var(--st-ui);font-size:1.02rem;line-height:1.35;font-weight:800}
.st-digest p{margin:0;color:var(--st-mute);font-size:13px;line-height:1.65;flex:1}

/* catalog */
.st-catalog{padding-bottom:8px}
.st-cat-list{display:grid;grid-template-columns:1fr 1fr 1fr;gap:8px;counter-reset:ct}
.st-cat-list li{counter-increment:ct}
.st-cat-list a{
  display:grid;grid-template-columns:28px minmax(0,1fr);gap:6px 10px;align-items:start;
  padding:12px 14px;background:#fff;border:1px solid var(--st-line);border-radius:12px;
  transition:border-color .2s,transform .2s;
}
.st-cat-list a::before{
  content:counter(ct,decimal-leading-zero);font-family:var(--st-ui);font-weight:800;font-size:12px;color:var(--st-c);grid-row:1 / span 2;padding-top:2px;
}
.st-cat-list a:hover{border-color:rgba(62,106,168,.4);transform:translateY(-1px)}
.st-cat-list h3{margin:0;font-size:13px;line-height:1.4;font-weight:600;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.st-cat-list time{font-family:var(--st-ui);font-size:11px;color:var(--st-mute);font-weight:600}

.st-about{padding:10px 0 28px}
.st-about-card{
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
  padding:24px 26px;background:#172033;color:#fff;border-radius:18px;
}
.st-about-card em{display:block;font-style:normal;font-size:12px;letter-spacing:.14em;color:rgba(255,255,255,.55);font-weight:700;margin-bottom:6px}
.st-about-card h2{margin:0 0 8px;font-size:1.35rem;font-weight:800}
.st-about-card p{margin:0;color:rgba(255,255,255,.72);max-width:40em}
.st-about-card .st-cta{background:#fff;color:var(--st-d);box-shadow:none}
.st-about-card .st-cta:hover{background:#E8EEF8}

/* inner pages */
.st-pageband{
  background:linear-gradient(180deg,#fff,#F3F7FC);
  color:var(--st-d);padding:26px 0;margin-bottom:22px;border-bottom:1px solid var(--st-line);
}
.st-pageband .st-crumb{color:var(--st-mute);margin-bottom:8px}
.st-pageband .st-crumb a{color:var(--st-c)}
.st-pageband-title{margin:0;font-family:var(--st-ui);font-size:clamp(1.4rem,2.5vw,1.9rem);font-weight:800;letter-spacing:-.02em}
.st-inner{padding-bottom:28px}
.st-crumb{margin-bottom:14px;font-size:13px;color:var(--st-mute)}
.st-crumb span{margin:0 6px}
.st-layout{display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:16px;align-items:start}
.st-surface{
  background:#fff;border:1px solid var(--st-line);padding:22px;border-radius:16px;
  box-shadow:0 8px 24px rgba(23,32,51,.03);
}
.st-empty{padding:48px 0;text-align:center;color:var(--st-mute)}
.st-article-list li+li{margin-top:12px}
.st-article-list a{
  display:block;padding:16px 18px;border:1px solid var(--st-line);background:#fff;border-radius:14px;transition:.2s;
}
.st-article-list a:hover{border-color:rgba(62,106,168,.4);box-shadow:0 10px 24px rgba(62,106,168,.08)}
.st-article-list h2{margin:0 0 8px;font-size:1.1rem;line-height:1.4;font-weight:800;font-family:var(--st-ui)}
.st-article-list p{margin:0 0 8px;color:var(--st-mute);font-size:14px}
.st-meta{display:flex;gap:12px;font-size:12px;color:var(--st-mute);font-family:var(--st-ui);font-weight:600}
.st-meta.center{justify-content:center;margin:14px 0 22px}
.st-detail h1{margin:0;text-align:center;font-family:var(--st-ui);font-size:clamp(1.35rem,2.5vw,1.9rem);line-height:1.3;font-weight:800}
.st-richtext{font-size:16px;line-height:1.9}
.st-richtext p{margin:0 0 1em}
.st-richtext img{max-width:100%;height:auto;border-radius:8px}
.st-richtext table{width:100%;border-collapse:collapse;margin:1em 0}
.st-richtext th,.st-richtext td{border:1px solid var(--st-line);padding:8px}
.st-pagerow{display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;margin-top:28px;padding-top:16px;border-top:1px solid var(--st-line);font-size:14px}
.st-pagination{margin-top:20px}
.st-page{display:flex;flex-wrap:wrap;gap:8px;justify-content:center;list-style:none;padding:0;margin:0}
.st-page li{list-style:none}
.st-page a,.st-page .dots{display:inline-flex;min-width:36px;height:36px;align-items:center;justify-content:center;border:1px solid var(--st-line);background:#fff;padding:0 10px;font-family:var(--st-ui);font-size:12px;border-radius:10px;font-weight:700}
.st-page .active a,.st-page a:hover,.st-page a.active{background:var(--st-c);border-color:var(--st-c);color:#fff}
.st-aside .st-surface+.st-surface{margin-top:12px}
.st-box-hd{margin-bottom:10px;padding-bottom:8px;border-bottom:1px solid var(--st-line)}
.st-box-hd h3{margin:0;font-family:var(--st-ui);font-size:1.05rem;color:var(--st-d);font-weight:800}
.st-side-list li+li{border-top:1px dashed var(--st-line)}
.st-side-list a{display:block;padding:8px 0;font-size:14px}
.st-side-list li.is-active a{color:var(--st-c);font-weight:700}
.st-content,.st-side,.st-surface,.st-detail,.st-richtext{min-width:0;max-width:100%}
.st-content{overflow:hidden}
.st-ad img{max-width:100%}

.st-footer{margin-top:8px;padding:42px 0 20px;background:#fff;color:var(--st-mute);border-top:1px solid var(--st-line)}
.st-footer-top{display:grid;grid-template-columns:2fr 1fr;gap:28px;margin-bottom:20px}
.st-footer-brand strong{display:block;margin-bottom:10px;font-family:var(--st-ui);font-size:1.25rem;color:var(--st-d);font-weight:800}
.st-footer h4{margin:0 0 10px;color:var(--st-c);font-size:12px;font-family:var(--st-ui);letter-spacing:.12em;text-transform:uppercase;font-weight:800}
.st-footer p{margin:0 0 6px;font-size:14px}
.st-foot-links{display:flex;flex-direction:column;gap:8px;color:var(--st-ink)}
.st-copy{display:flex;flex-wrap:wrap;gap:12px 18px;justify-content:space-between;padding-top:12px;border-top:1px solid var(--st-line);font-size:13px;font-family:var(--st-ui);font-weight:600}

.st-reveal{opacity:0;transform:translateY(12px);transition:opacity .45s ease,transform .45s ease}
.st-reveal.is-in{opacity:1;transform:none}
body.st-home,body.st-skin-studio{
  display:block!important;columns:auto!important;column-count:auto!important;
  grid-template-columns:none!important;margin:0;padding:0;
}

@media (max-width:980px){
  .st-hero-row,.st-spot-grid,.st-layout,.st-footer-top{grid-template-columns:1fr}
  .st-rails{grid-template-columns:minmax(0,1fr)!important}
  .st-digest-grid,.st-cat-list{grid-template-columns:1fr 1fr}
  .st-lead,.st-lead a{min-height:280px}
  .st-rail-list h3,.st-rec-list h3,.st-cat-list h3{white-space:normal}
}
@media (max-width:960px){
  .st-header{overflow:visible!important;z-index:70;transform:none!important;filter:none!important}
  .st-logo{min-width:0;flex:1}.st-logo-text{min-width:0}
  .st-logo-text strong,.st-logo-text em{overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:52vw}
  .st-nav-toggle{
    display:inline-flex!important;flex-direction:column;align-items:center;justify-content:center;gap:5px;
    flex-shrink:0;margin-left:8px;position:relative;z-index:72;width:40px;height:40px;padding:0;
    border:1px solid var(--st-line);background:#fff!important;box-sizing:border-box;border-radius:8px;
  }
  .st-nav-toggle span{display:block!important;width:18px!important;height:2px!important;margin:0!important;background:var(--st-ink)!important;opacity:1!important;flex:0 0 auto}
  body.nav-open .st-nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
  body.nav-open .st-nav-toggle span:nth-child(2){opacity:0!important}
  body.nav-open .st-nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}
  .st-nav{
    display:block!important;position:fixed!important;top:0;right:0;width:min(82vw,320px);height:100%;height:100dvh;
    margin:0;background:#fff;transform:translate3d(100%,0,0);transition:transform .28s ease;z-index:80;
    overflow:auto;padding:70px 0 24px;flex:none;min-width:0;border-left:1px solid var(--st-line);
    box-shadow:-12px 0 32px rgba(23,32,51,.1);
  }
  .st-nav.is-open{transform:translate3d(0,0,0)}
  .st-nav>ul{display:flex;flex-direction:column;gap:0;justify-content:flex-start}
  .st-nav>ul>li>a{color:var(--st-ink);padding:14px 20px;border-radius:0;border-bottom:1px solid var(--st-line)}
  .st-subnav{position:static;display:none;background:transparent;border:0;box-shadow:none;padding:0;border-radius:0}
  .st-nav>ul>li.is-open>.st-subnav{display:block}
  .st-subnav a{color:var(--st-mute);padding-left:32px}
  .st-nav-mask{display:block;position:fixed;inset:0;background:rgba(23,32,51,.35);opacity:0;pointer-events:none;transition:opacity .28s;z-index:65}
  body.nav-open .st-nav-mask{opacity:1;pointer-events:auto}
  body.nav-open{overflow:hidden}
  body.nav-open .st-header{z-index:70}
}
@media (max-width:720px){
  .st-digest-grid,.st-cat-list{grid-template-columns:1fr}
  .st-hero-row{padding:28px 0 24px}
  .st-spot-list a{grid-template-columns:24px 1fr}
  .st-spot-list time{display:none}
  .st-spot-list h4,.st-spot-list p{grid-column:2}
  .st-rail-list a{grid-template-columns:1fr}
  .st-rail-list time{order:-1}
  .st-rec-list a{grid-template-columns:28px 1fr}
  .st-rec-list time{grid-column:2}
}