:root {
    --article-bg: #070a12;
    --article-panel: rgba(255,255,255,.035);
    --article-line: rgba(255,255,255,.09);
    --article-ink: #eef2fa;
    --article-muted: rgba(231,237,248,.62);
    --article-dim: rgba(231,237,248,.4);
    --article-blue: #5c86ff;
    --article-shell: 1160px;
    --article-content: 800px;
    --ease: cubic-bezier(.16,1,.3,1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; overflow-x: hidden; background-color: var(--article-bg); background-image: radial-gradient(52vw 44vw at 20% 0,rgba(47,107,255,.2),transparent 66%),radial-gradient(48vw 38vw at 92% 20%,rgba(109,67,255,.13),transparent 70%); color: var(--article-ink); font-family: "PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif; -webkit-font-smoothing: antialiased; }
body::after { position: fixed; z-index: 999; inset: 0; opacity: .035; background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='180' height='180'%3E%3Cfilter id='n'%3E%3CfeTurbulence type='fractalNoise' baseFrequency='.9' numOctaves='3'/%3E%3C/filter%3E%3Crect width='100%25' height='100%25' filter='url(%23n)'/%3E%3C/svg%3E"); content: ''; pointer-events: none; }
a { color: inherit; text-decoration: none; }
button,input { font: inherit; }
[hidden] { display: none !important; }
.article-page-grid { position: fixed; z-index: -1; inset: 0; background-image: linear-gradient(rgba(255,255,255,.025) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.025) 1px,transparent 1px); background-size: 68px 68px; -webkit-mask-image: radial-gradient(ellipse 90% 58% at 50% 0,#000,transparent 80%); mask-image: radial-gradient(ellipse 90% 58% at 50% 0,#000,transparent 80%); }
.article-shell { width: min(calc(100% - 48px),var(--article-shell)); margin: 0 auto; }
.article-content-shell { width: min(calc(100% - 48px),var(--article-content)); margin-right: auto; margin-left: auto; }
.article-wide-shell { width: min(calc(100% - 48px),1050px); margin-right: auto; margin-left: auto; }

.article-site-header { position: sticky; z-index: 60; top: 0; border-bottom: 1px solid var(--article-line); background: rgba(7,10,18,.84); -webkit-backdrop-filter: blur(20px); backdrop-filter: blur(20px); }
.article-header-inner { display: flex; min-height: 66px; align-items: center; justify-content: space-between; }
.article-brand { display: flex; min-width: 0; align-items: center; gap: 11px; }
.article-brand img { width: 35px; height: 35px; object-fit: contain; }
.article-brand span { max-width: 520px; overflow: hidden; font-size: 14px; font-weight: 700; text-overflow: ellipsis; white-space: nowrap; }
.article-header-inner nav { display: flex; align-items: center; gap: 4px; }
.article-header-inner nav a { padding: 7px 12px; border-radius: 8px; color: var(--article-muted); font-size: 12px; }
.article-header-inner nav a:hover,.article-header-inner nav a.is-current { background: rgba(255,255,255,.05); color: white; }

.article-list-hero { padding: 92px 0 68px; text-align: center; }
.article-list-hero p { margin: 0 0 12px; color: #88a8ff; font-size: 10px; font-weight: 800; letter-spacing: .22em; }
.article-list-hero h1 { margin: 0; font-size: clamp(38px,6vw,66px); letter-spacing: -.05em; line-height: 1.15; }
.article-list-hero > .article-shell > span { display: block; margin-top: 16px; color: var(--article-muted); font-size: 14px; }
.article-search-form { display: flex; width: min(100%,480px); height: 46px; margin: 30px auto 0; padding: 4px; border: 1px solid var(--article-line); border-radius: 12px; background: rgba(255,255,255,.035); box-shadow: 0 20px 55px rgba(0,0,0,.18); }
.article-search-form input { min-width: 0; flex: 1; padding: 0 12px; border: 0; outline: 0; background: transparent; color: white; }
.article-search-form button { padding: 0 18px; border: 0; border-radius: 8px; background: #416fe9; color: white; cursor: pointer; }
.article-list-section { padding: 0 0 100px; }
.article-list-heading { display: flex; align-items: center; justify-content: space-between; margin-bottom: 22px; }
.article-list-heading h2 { margin: 0; font-size: 20px; }
.article-list-heading > span,.article-list-heading > a { color: var(--article-muted); font-size: 12px; }
.article-card-grid { display: grid; grid-template-columns: repeat(3,minmax(0,1fr)); gap: 18px; }
.article-card { overflow: hidden; border: 1px solid transparent; border-radius: 16px; background: linear-gradient(180deg,rgba(255,255,255,.045),rgba(255,255,255,.018)) padding-box,linear-gradient(145deg,rgba(255,255,255,.18),rgba(255,255,255,.025) 65%) border-box; box-shadow: 0 20px 55px rgba(0,0,0,.2); transition: transform .35s var(--ease),border-color .35s var(--ease); }
.article-card:hover { transform: translateY(-5px); }
.article-card-cover { position: relative; display: block; overflow: hidden; aspect-ratio: 16/9; background: linear-gradient(145deg,rgba(47,107,255,.4),rgba(109,67,255,.2)); }
.article-card-cover::after { position: absolute; inset: auto 0 0; height: 35%; background: linear-gradient(transparent,rgba(7,10,18,.4)); content: ''; }
.article-card-cover img { width: 100%; height: 100%; object-fit: cover; transition: transform .6s var(--ease); }
.article-card:hover .article-card-cover img { transform: scale(1.035); }
.article-card-cover.is-empty { display: grid; place-items: center; background: radial-gradient(circle at 30% 25%,rgba(85,136,255,.5),transparent 45%),linear-gradient(145deg,#14295e,#211747); }
.article-card-cover.is-empty span { color: rgba(255,255,255,.16); font-size: 54px; font-weight: 900; letter-spacing: -.08em; }
.article-card-body { padding: 22px; }
.article-card-meta { display: flex; min-height: 20px; flex-wrap: wrap; align-items: center; gap: 9px; color: var(--article-dim); font-size: 10.5px; }
.article-card-meta b { padding: 2px 7px; border-radius: 999px; background: rgba(92,134,255,.14); color: #9db8ff; font-weight: 650; }
.article-card-body h2 { margin: 12px 0 8px; font-size: 19px; letter-spacing: -.025em; line-height: 1.45; }
.article-card-body h2 a:hover { color: #a9beff; }
.article-card-body p { display: -webkit-box; min-height: 47px; margin: 0; overflow: hidden; -webkit-box-orient: vertical; -webkit-line-clamp: 2; color: var(--article-muted); font-size: 12.5px; line-height: 1.85; }
.article-read-more { display: inline-flex; align-items: center; gap: 7px; margin-top: 17px; color: #9bb5ff; font-size: 12px; font-weight: 650; }
.article-read-more i { font-style: normal; transition: transform .25s; }.article-read-more:hover i { transform: translateX(4px); }
.article-card--lead { grid-column: span 2; display: grid; grid-template-columns: 1.15fr 1fr; }
.article-card--lead .article-card-cover { height: 100%; aspect-ratio: auto; }
.article-card--lead .article-card-body { display: flex; min-height: 285px; flex-direction: column; justify-content: center; padding: 30px; }
.article-card--lead .article-card-body h2 { font-size: 25px; }
.article-pagination { display: flex; align-items: center; justify-content: center; gap: 22px; margin-top: 42px; color: var(--article-muted); font-size: 12px; }
.article-pagination a { padding: 8px 13px; border: 1px solid var(--article-line); border-radius: 8px; }.article-pagination a:hover { color: white; }
.article-public-empty { display: grid; min-height: 280px; place-content: center; gap: 7px; border: 1px dashed var(--article-line); border-radius: 16px; color: var(--article-muted); text-align: center; }
.article-public-empty strong { color: white; font-size: 19px; }

.article-detail-main { padding-top: 1px; }
.article-detail-hero { padding-top: 80px; padding-bottom: 44px; text-align: center; }
.article-back { display: inline-block; margin-bottom: 30px; color: #8ca6e8; font-size: 12px; }
.article-detail-hero h1 { margin: 0; font-size: clamp(34px,5.4vw,58px); letter-spacing: -.052em; line-height: 1.2; }
.article-detail-hero > p { margin: 22px auto 0; color: var(--article-muted); font-size: 15px; line-height: 1.85; }
.article-detail-meta { display: flex; flex-wrap: wrap; justify-content: center; gap: 8px 20px; margin-top: 24px; color: var(--article-dim); font-size: 11px; }
.article-detail-meta span { position: relative; }.article-detail-meta span::before { position: absolute; top: 50%; left: -11px; width: 2px; height: 2px; border-radius: 50%; background: var(--article-dim); content: ''; }
.article-hero-cover { width: min(calc(100% - 48px),920px); aspect-ratio: 2/1; overflow: hidden; margin-bottom: 46px; border: 1px solid var(--article-line); border-radius: 18px; box-shadow: 0 26px 68px rgba(0,0,0,.32); }
.article-hero-cover img { display: block; width: 100%; height: 100%; object-fit: cover; }
.article-detail-layout { position: relative; display: grid; grid-template-columns: 155px minmax(0,var(--article-content)) 110px; justify-content: center; gap: 42px; }
.article-toc,.article-share { position: sticky; top: 100px; align-self: start; padding-top: 8px; }
.article-toc strong { display: block; margin-bottom: 13px; color: #dce4f2; font-size: 11px; }
.article-toc nav { display: grid; gap: 1px; border-left: 1px solid var(--article-line); }
.article-toc a { margin-left: -1px; padding: 5px 0 5px 12px; border-left: 1px solid transparent; overflow: hidden; color: var(--article-dim); font-size: 10.5px; text-overflow: ellipsis; white-space: nowrap; }
.article-toc a.is-sub { padding-left: 20px; }.article-toc a:hover,.article-toc a.is-active { border-color: #6088fa; color: #aabef3; }
.article-share { display: grid; gap: 9px; color: var(--article-dim); font-size: 10.5px; }
.article-share button { padding: 7px 8px; border: 1px solid var(--article-line); border-radius: 7px; background: transparent; color: var(--article-muted); cursor: pointer; }.article-share button:hover { color: white; }

.article-prose { min-width: 0; color: #ccd5e3; font-size: 16px; line-height: 2; }
.article-prose > :first-child { margin-top: 0; }
.article-prose h2,.article-prose h3,.article-prose h4 { scroll-margin-top: 100px; color: #f5f7fb; letter-spacing: -.025em; line-height: 1.45; }
.article-prose h2 { margin: 2.25em 0 .78em; font-size: 28px; }.article-prose h3 { margin: 2em 0 .7em; font-size: 22px; }.article-prose h4 { margin: 1.8em 0 .65em; font-size: 18px; }
.article-prose p { margin: 1.1em 0; }.article-prose strong { color: #f3f5f9; }.article-prose a { border-bottom: 1px solid rgba(104,143,255,.5); color: #8baaff; }
.article-prose mark { padding: .08em .22em; border-radius: 3px; background: rgba(255,201,83,.22); color: #ffe2a1; }
.article-prose blockquote { margin: 1.8em 0; padding: 8px 0 8px 22px; border-left: 3px solid #6289fa; color: #aeb9cc; font-size: 17px; }
.article-prose ul,.article-prose ol { padding-left: 1.55em; }.article-prose li { margin: .4em 0; }
.article-prose ul[data-type=taskList] { padding: 0; list-style: none; }.article-prose ul[data-type=taskList] li { display: flex; gap: 10px; }
.article-prose pre { overflow-x: auto; margin: 1.8em 0; padding: 20px 22px; border: 1px solid var(--article-line); border-radius: 12px; background: #05080e; color: #b9cbea; font: 13px/1.8 ui-monospace,SFMono-Regular,Consolas,monospace; }
.article-prose :not(pre)>code { padding: 2px 6px; border-radius: 5px; background: rgba(106,124,158,.14); color: #d3dded; }
.article-prose hr { margin: 2.8em 0; border: 0; border-top: 1px solid var(--article-line); }
.article-prose img,.article-prose .article-image { display: block; max-width: 100%; height: auto; margin: 2.1em auto; border-radius: 13px; box-shadow: 0 18px 50px rgba(0,0,0,.26); cursor: zoom-in; }
.article-prose figure { margin: 2.1em 0; }.article-prose figure img { margin-bottom: 9px; }.article-prose figcaption { color: var(--article-dim); font-size: 11px; text-align: center; }
.article-prose video,.article-prose .article-video { display: block; width: 100%; margin: 2.1em 0; border-radius: 13px; background: #000; box-shadow: 0 20px 55px rgba(0,0,0,.34); }
.article-prose .article-callout { margin: 1.8em 0; padding: 17px 20px; border: 1px solid rgba(83,128,255,.28); border-radius: 12px; background: rgba(83,128,255,.08); }.article-prose .article-callout--warning { border-color: rgba(255,181,71,.3); background: rgba(255,181,71,.08); }.article-prose .article-callout--success { border-color: rgba(45,207,145,.28); background: rgba(45,207,145,.07); }
.article-prose .article-callout > :first-child { margin-top: 0; }.article-prose .article-callout > :last-child { margin-bottom: 0; }
.article-prose .article-cta { display: inline-flex; margin: .65em 0; padding: 10px 18px; border: 0; border-radius: 9px; background: linear-gradient(145deg,#527fff,#315ee8); box-shadow: 0 9px 25px rgba(49,94,232,.25); color: white; font-weight: 700; }
.article-prose table { display: block; width: 100%; margin: 1.9em 0; overflow-x: auto; border-collapse: collapse; }.article-prose th,.article-prose td { min-width: 120px; padding: 10px 12px; border: 1px solid var(--article-line); }.article-prose th { background: rgba(255,255,255,.045); color: white; text-align: left; }
.article-neighbors { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 66px; padding-top: 28px; border-top: 1px solid var(--article-line); }
.article-neighbors a { display: grid; gap: 5px; padding: 15px 17px; border: 1px solid var(--article-line); border-radius: 11px; background: rgba(255,255,255,.02); }.article-neighbors a.is-next { text-align: right; }.article-neighbors span { color: var(--article-dim); font-size: 10px; }.article-neighbors strong { overflow: hidden; font-size: 13px; text-overflow: ellipsis; white-space: nowrap; }
.related-articles { margin-top: 92px; padding: 64px 0 80px; border-top: 1px solid var(--article-line); background: rgba(255,255,255,.015); }
.related-grid { display: grid; grid-template-columns: repeat(3,1fr); gap: 14px; }.related-grid a { padding: 22px; border: 1px solid var(--article-line); border-radius: 13px; background: rgba(255,255,255,.025); transition: transform .3s var(--ease); }.related-grid a:hover { transform: translateY(-4px); }.related-grid time { color: var(--article-dim); font-size: 10px; }.related-grid h3 { margin: 10px 0 7px; font-size: 16px; line-height: 1.5; }.related-grid p { margin: 0; color: var(--article-muted); font-size: 11.5px; line-height: 1.75; }

.article-lightbox { position: fixed; z-index: 1000; inset: 0; display: grid; place-items: center; padding: 40px; background: rgba(0,0,0,.88); }.article-lightbox img { max-width: 94vw; max-height: 90vh; object-fit: contain; }.article-lightbox button { position: absolute; top: 20px; right: 24px; width: 42px; height: 42px; border: 1px solid rgba(255,255,255,.2); border-radius: 50%; background: rgba(0,0,0,.4); color: white; font-size: 26px; cursor: pointer; }.has-lightbox { overflow: hidden; }
.article-copy-toast { position: fixed; z-index: 1001; right: 24px; bottom: 24px; padding: 10px 14px; border: 1px solid var(--article-line); border-radius: 9px; background: #172136; color: white; font-size: 12px; }
.article-site-footer { border-top: 1px solid var(--article-line); }.article-site-footer > div { display: flex; min-height: 90px; align-items: center; justify-content: space-between; color: var(--article-dim); font-size: 11px; }.article-site-footer a:hover { color: white; }

@media (max-width: 1100px) { .article-detail-layout { grid-template-columns: minmax(0,var(--article-content)); }.article-toc,.article-share { display: none; } }
@media (max-width: 800px) { .article-card-grid { grid-template-columns: repeat(2,1fr); }.article-card--lead { grid-column: 1/-1; }.article-list-hero { padding-top: 68px; }.related-grid { grid-template-columns: 1fr; } }
@media (max-width: 600px) {
    .article-shell,.article-content-shell,.article-wide-shell { width: min(calc(100% - 30px),var(--article-shell)); }
    .article-header-inner { min-height: 58px; }.article-brand span { max-width: calc(100vw - 210px); font-size: 12px; }.article-header-inner nav a:first-child { display: none; }.article-header-inner nav a { padding: 6px 8px; font-size: 10.5px; }
    .article-list-hero { padding: 56px 0 45px; }.article-list-hero h1 { font-size: 40px; }.article-list-hero > .article-shell > span { font-size: 12.5px; line-height: 1.7; }
    .article-card-grid { grid-template-columns: 1fr; }.article-card--lead { display: block; }.article-card--lead .article-card-cover { aspect-ratio: 16/9; }.article-card--lead .article-card-body { min-height: auto; padding: 22px; }.article-card--lead .article-card-body h2 { font-size: 20px; }
    .article-detail-hero { padding-top: 54px; }.article-detail-hero h1 { font-size: 36px; }.article-detail-hero > p { font-size: 13px; }.article-hero-cover { aspect-ratio: 16/9; margin-bottom: 32px; border-radius: 12px; }
    .article-prose { font-size: 15px; line-height: 1.95; }.article-prose h2 { font-size: 24px; }.article-prose h3 { font-size: 20px; }
    .article-neighbors { grid-template-columns: 1fr; }.article-neighbors a.is-next { text-align: left; }.related-articles { margin-top: 68px; padding-top: 48px; }
}
@media (prefers-reduced-motion: reduce) { html { scroll-behavior: auto; } *,*::before,*::after { transition-duration: .01ms !important; } }