/* Article HTML is complete without scripts. Decoration never gates readability. */
.editorial-thumbnail{display:block;width:100%;height:auto;aspect-ratio:15/8;margin:0 0 20px;border:1px solid var(--line);border-radius:10px;background:#eff4fa}.editorial-figure{margin:0 0 42px}.editorial-figure img{display:block;width:100%;height:auto;border:1px solid var(--line);border-radius:14px;background:#eff4fa}.editorial-figure figcaption{font-size:13px;line-height:1.8;color:var(--muted);padding:12px 4px}.editorial-body a.editorial-inline-link{color:var(--accent);text-decoration:underline;text-decoration-color:color-mix(in srgb,var(--accent) 40%,transparent);text-decoration-thickness:1px;text-underline-offset:5px;transition:text-decoration-color .18s ease}.editorial-body a.editorial-inline-link:hover{text-decoration-color:currentColor}.editorial-body a.editorial-inline-link:focus-visible{outline-offset:3px}.editorial-card:has(.editorial-thumbnail) h2{margin-top:10px}
.editorial-header #editorial-theme{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:24px;padding:8px 12px;min-height:40px;font-size:12px;transition:border-color .18s,color .18s}
.editorial-header #editorial-theme:hover{border-color:var(--accent);color:var(--ink)}
:root{color-scheme:dark;--paper:#0a0e18;--surface:#101623;--ink:#ebeff8;--muted:#a2acc0;--line:#a3b6e224;--accent:#a6bfff;--selection:#5276d845}
:root[data-theme=light]{color-scheme:light;--paper:#f8f9fc;--surface:#fff;--ink:#17243b;--muted:#5c687c;--line:#18325626;--accent:#305bb2;--selection:#7399ee36}
*{box-sizing:border-box}html{scroll-padding-top:28px}body{margin:0;background:var(--paper);color:var(--ink);font-family:Inter,-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei",sans-serif;-webkit-font-smoothing:antialiased;line-height:1.6}::selection{background:var(--selection)}a{color:inherit;text-underline-offset:4px}button,input{font:inherit}button,a,input{-webkit-tap-highlight-color:transparent}a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:5px}button{cursor:pointer}img{max-width:100%;object-fit:contain}.editorial-skip{position:absolute;left:20px;top:-100px;background:var(--surface);padding:12px;z-index:10}.editorial-skip:focus{top:12px}.editorial-header{max-width:1220px;margin:auto;min-height:88px;display:flex;align-items:center;justify-content:space-between;gap:24px;padding:16px 36px;border-bottom:1px solid var(--line)}.editorial-brand{flex-shrink:0;display:flex;align-items:center}.editorial-brand img{width:76px;height:48px}.editorial-header nav{display:flex;gap:26px;align-items:center;font-size:13px}.editorial-header a{text-decoration:none;color:var(--muted)}.editorial-header a:hover,.editorial-header a[aria-current]{color:var(--ink)}.editorial-theme{border:1px solid var(--line);background:transparent;color:var(--muted);border-radius:24px;padding:8px 12px;min-height:40px;font-size:12px}.editorial-primary{display:inline-flex;align-items:center;justify-content:center;border:1px solid var(--line);border-radius:99px;background:var(--surface);padding:10px 20px;color:var(--ink)!important;text-decoration:none;font-size:13px;transition:border-color .18s,background .18s}.editorial-primary:hover{border-color:var(--accent)}main{max-width:1150px;margin:auto;padding:0 36px}.editorial-hero{position:relative;isolation:isolate;padding:90px 0 68px;max-width:900px}.editorial-hero:before{content:"";position:absolute;right:-90px;top:-60px;width:500px;height:500px;max-width:90vw;border-radius:50%;border:1px solid var(--line);z-index:-1;pointer-events:none;opacity:.45;background:radial-gradient(ellipse at 70% 30%,#4267bb10,transparent 70%)}.editorial-eyebrow{font-size:11px;letter-spacing:.12em;color:var(--accent);font-weight:500}.editorial-hero h1{font-size:clamp(30px,4vw,48px);font-weight:550;line-height:1.4;letter-spacing:-.045em;margin:20px 0}.editorial-hero>p{font-size:16px;color:var(--muted);line-height:1.95;max-width:750px;margin:0}.editorial-hero-meta{display:flex;flex-wrap:wrap;gap:10px 20px;margin-top:26px;font-size:12px;color:var(--muted)}.editorial-hero-meta>span+span:before{content:"·";margin-right:20px;color:var(--muted)}.editorial-list{position:relative;padding-bottom:80px}.editorial-filter{display:flex;align-items:start;justify-content:space-between;flex-wrap:wrap;gap:24px;margin-bottom:32px;padding:20px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}.editorial-categories{display:flex;flex-wrap:wrap;gap:8px}.editorial-categories a{text-decoration:none;color:var(--muted);padding:8px 14px;min-height:40px;border:1px solid transparent;border-radius:22px;font-size:12px;transition:background .2s,color .2s}.editorial-categories a[aria-current]{color:var(--ink);border-color:var(--line);background:var(--surface)}.editorial-categories a:hover{color:var(--ink);background:var(--surface)}.editorial-filter form{display:flex;gap:8px;align-items:center;flex-wrap:wrap}.editorial-filter label{position:absolute;width:1px;height:1px;overflow:hidden;clip-path:inset(50%)}.editorial-filter input{background:var(--surface);color:var(--ink);border:1px solid var(--line);border-radius:10px;min-height:40px;width:235px;padding:8px 13px;font-size:12px}.editorial-filter button{border:1px solid var(--line);background:transparent;color:var(--ink);border-radius:10px;min-height:40px;padding:8px 14px;font-size:12px}.editorial-filter input::placeholder{color:var(--muted)}.editorial-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px}.editorial-card{border:1px solid var(--line);border-radius:18px;padding:27px;display:flex;flex-direction:column;gap:0;background:var(--surface);transition:border-color .2s,box-shadow .2s;min-width:0}.editorial-card:hover{border-color:color-mix(in srgb,var(--accent) 45%,transparent);box-shadow:0 12px 36px #0000000a}.editorial-card h2{font-weight:500;font-size:20px;line-height:1.65;margin:17px 0 13px}.editorial-card h2 a{text-decoration:none}.editorial-card p{color:var(--muted);font-size:13px;line-height:1.9;margin:0 0 22px}.editorial-card-meta{margin-top:auto;display:flex;flex-wrap:wrap;gap:14px;font-size:11px;color:var(--muted)}.editorial-read{display:flex;justify-content:space-between;align-items:center;margin-top:20px;border-top:1px solid var(--line);padding-top:16px;font-size:12px;text-decoration:none}.editorial-read span{font-size:18px;color:var(--accent)}.editorial-pagination{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-top:38px;font-size:13px;color:var(--muted)}.editorial-pagination a{border:1px solid var(--line);padding:10px 17px;border-radius:99px;text-decoration:none;color:var(--ink)}.editorial-breadcrumb{display:flex;gap:10px;flex-wrap:wrap;font-size:12px;color:var(--muted);margin-top:32px}.editorial-breadcrumb a{text-decoration:none}.editorial-article-hero{padding-top:35px;padding-bottom:42px;max-width:850px}.editorial-article-hero:before{display:none}.editorial-article-hero h1{font-size:clamp(28px,3.6vw,42px);line-height:1.5}.editorial-article-hero>p{font-size:15px}.editorial-layout{display:grid;grid-template-columns:minmax(0,750px) 225px;gap:65px;align-items:start;border-top:1px solid var(--line);padding-top:25px}.editorial-body{min-width:0;font-size:16px;line-height:2.05;color:var(--ink);overflow-wrap:anywhere}.editorial-body section{scroll-margin-top:32px;padding-bottom:18px}.editorial-body h2{font-size:23px;line-height:1.55;font-weight:550;margin:28px 0 20px;letter-spacing:-.025em}.editorial-body p{margin:0 0 20px}.editorial-body ul{margin:0 0 24px;padding-left:24px;color:var(--muted)}.editorial-body li{padding-left:4px;margin:10px 0}.editorial-body li::marker{color:var(--accent)}.editorial-toc{position:sticky;top:30px;padding-top:10px;color:var(--muted);font-size:12px;border-left:1px solid var(--line);padding-left:22px}.editorial-toc h2{font-size:12px;font-weight:500;color:var(--ink);margin:0 0 16px}.editorial-toc ol{list-style:none;margin:0 0 24px;padding:0;counter-reset:section}.editorial-toc li{counter-increment:section;margin:15px 0;display:flex;gap:9px}.editorial-toc li:before{content:counter(section,decimal-leading-zero);font-size:10px;opacity:.6;padding-top:2px}.editorial-toc a{text-decoration:none}.editorial-toc a:hover{color:var(--ink)}.editorial-cta{background:var(--surface);border:1px solid var(--line);border-radius:18px;padding:26px 30px;margin:32px 0 52px;font-size:14px}.editorial-cta h2{font-size:20px;margin:0 0 14px}.editorial-cta p{color:var(--muted)}.editorial-cta>a{margin-right:20px;font-size:13px}.editorial-related{padding:38px 0 72px;border-top:1px solid var(--line)}.editorial-related>h2{font-size:24px;font-weight:500;margin:0 0 25px}.editorial-sources{font-size:13px;color:var(--muted)}.editorial-footer{max-width:1150px;padding:35px 36px 45px;margin:auto;border-top:1px solid var(--line);display:flex;gap:30px;justify-content:space-between;color:var(--muted);font-size:12px}.editorial-footer strong{color:var(--ink);font-size:14px;font-weight:500}.editorial-footer p{font-size:12px}.editorial-footer nav{display:flex;flex-wrap:wrap;gap:16px;align-content:start;justify-content:end;max-width:400px}.editorial-footer a{text-decoration:none}.editorial-empty{padding:45px 0;color:var(--muted);grid-column:1/-1}
@supports(animation-timeline:view()){ @media(min-width:761px) and (prefers-reduced-motion:no-preference){.editorial-hero:before{animation:editorial-depth linear both;animation-timeline:view();animation-range:entry 0% exit 100%}@keyframes editorial-depth{from{transform:translateY(-16px)}to{transform:translateY(16px)}}}}
@media(max-width:1000px){.editorial-header nav{gap:14px}.editorial-grid{grid-template-columns:repeat(2,minmax(0,1fr))}.editorial-layout{grid-template-columns:minmax(0,1fr) 200px;gap:32px}}
@media(max-width:760px){.editorial-header{padding:16px 20px;gap:15px;flex-wrap:wrap;min-height:80px}.editorial-brand img{width:65px;height:40px}.editorial-header nav{gap:8px 16px;flex-wrap:wrap;font-size:12px;flex:1;justify-content:end}.editorial-header nav>.editorial-primary{display:none}.editorial-header nav a{padding:5px 0}.editorial-header nav .editorial-theme{padding:5px 10px;min-height:34px}main{padding:0 22px;overflow:clip}.editorial-hero{padding:55px 0 38px}.editorial-hero h1{font-size:30px;letter-spacing:-.035em}.editorial-hero>p{font-size:14px}.editorial-grid{grid-template-columns:1fr}.editorial-card{padding:24px}.editorial-card h2{font-size:19px}.editorial-hero-meta{font-size:11px;gap:10px}.editorial-hero-meta>span+span:before{display:none}.editorial-filter form{width:100%;flex-wrap:nowrap}.editorial-filter input{flex:1;min-width:0}.editorial-categories{gap:4px}.editorial-categories a{padding:8px 11px}.editorial-layout{display:flex;flex-direction:column;gap:20px}.editorial-toc{position:static;order:-1;width:100%;padding:18px;border:1px solid var(--line);border-radius:12px}.editorial-toc ol{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 16px;margin:0 0 15px}.editorial-toc li{margin:0;font-size:11px}.editorial-body{font-size:16px}.editorial-body h2{font-size:21px}.editorial-article-hero{padding-top:22px}.editorial-footer{padding:30px 22px;flex-direction:column;gap:14px}.editorial-footer nav{justify-content:start}.editorial-related>h2{font-size:21px}.editorial-cta{padding:22px}.editorial-pagination{font-size:11px;gap:8px}.editorial-pagination a{padding:10px 12px}}
@media(prefers-reduced-motion:reduce){*,*:before{animation:none!important;transition:none!important;scroll-behavior:auto!important}}
:root[data-reduce-motion=true] *, :root[data-reduce-motion=true] *:before{animation:none!important;transition:none!important}
@media print{body{background:#fff;color:#111}.editorial-header,.editorial-footer,.editorial-toc,.editorial-related,.editorial-cta{display:none}.editorial-layout{display:block;border:0}.editorial-hero{padding:15px 0}.editorial-body{color:#111}.editorial-body section{break-inside:avoid}}

/* Static articles share the app's Blue-ink editorial control semantics. The
   server-rendered page remains readable and navigable without JavaScript. */
:root {
  --paper:#0d1119; --surface:#151c28; --ink:#edf2fc; --muted:#afbdd2;
  --line:#293548; --accent:#acc9ff; --selection:#91b5ff35;
  --editorial-border:#36445b; --editorial-elevated:#1d2736;
  --editorial-primary:#91b5ff; --editorial-primary-hover:#aac7ff;
  --editorial-on-primary:#101e3a; --editorial-selected:#263b60;
}
:root[data-theme=light] {
  --paper:#f6f7fa; --surface:#fff; --ink:#192b49; --muted:#536580;
  --line:#dbe2ed; --accent:#315cbd; --selection:#315bce25;
  --editorial-border:#becadd; --editorial-elevated:#f0f3f9;
  --editorial-primary:#315bce; --editorial-primary-hover:#244bb7;
  --editorial-on-primary:#fff; --editorial-selected:#e6edff;
}
.editorial-header .editorial-primary, .editorial-cta .editorial-primary {
  min-height:42px; border:1px solid var(--editorial-primary); border-radius:10px;
  background:var(--editorial-primary); color:var(--editorial-on-primary)!important;
  font-weight:650; box-shadow:inset 0 1px 0 #ffffff18,0 2px 5px #00000010;
}
.editorial-header .editorial-primary:hover, .editorial-cta .editorial-primary:hover { background:var(--editorial-primary-hover); border-color:var(--editorial-primary-hover); }
.editorial-header #editorial-theme, .editorial-filter button, .editorial-pagination a {
  min-height:40px; border:1px solid var(--editorial-border); border-radius:10px;
  color:var(--ink); background:var(--editorial-elevated); font-weight:550;
}
.editorial-header #editorial-theme:hover, .editorial-filter button:hover, .editorial-pagination a:hover { border-color:var(--accent); background:var(--editorial-selected); }
.editorial-filter input { border-color:var(--editorial-border); border-radius:10px; font-size:13px; }
.editorial-categories a { border-radius:9px; border-color:var(--line); background:var(--surface); }
.editorial-categories a[aria-current] { color:var(--accent); border-color:var(--accent); background:var(--editorial-selected); box-shadow:inset 0 0 0 1px var(--accent); }
.editorial-card, .editorial-cta { border-radius:16px; box-shadow:none; }
.editorial-card:hover { border-color:var(--editorial-border); box-shadow:0 5px 18px #00000010; }
.editorial-read { gap:12px; color:var(--accent); font-weight:600; }
.editorial-read:hover { text-decoration:underline; text-underline-offset:5px; }
.editorial-header nav a:not(.editorial-primary) { border-radius:7px; }
.editorial-header nav a:not(.editorial-primary):hover { color:var(--ink); }
.editorial-header nav a[aria-current] { color:var(--accent); }
.editorial-toc a:hover, .editorial-breadcrumb a:hover, .editorial-footer a:hover { color:var(--accent); }
.editorial-figure img, .editorial-thumbnail { border-color:var(--line); border-radius:12px; }
@media print { :root { --ink:#111; --muted:#444; --surface:#fff; --paper:#fff; } }
@keyframes editorial-region-enter { from { opacity:.45; transform:translateY(8px); } to { opacity:1; transform:none; } }
[data-editorial-enter='visible'] { animation:editorial-region-enter 360ms cubic-bezier(.2,.65,.3,1) var(--editorial-enter-delay,0ms) backwards; }
[data-editorial-enter]:focus-within { animation:none; }
@media (prefers-reduced-motion:reduce), print { [data-editorial-enter] { animation:none; } }
[data-reduce-motion='true'] [data-editorial-enter] { animation:none; }