body.site{--font-serif:var(--font-serif);margin:0;color:#122033;background:radial-gradient(circle at top,rgba(30,76,137,.11),transparent 34%),linear-gradient(180deg,#f7fbff,#eef5fb 44%,#e8eef6);font-family:system-ui,-apple-system,BlinkMacSystemFont,Segoe UI,sans-serif;font-size:15px;line-height:1.7}body.site a{color:inherit;text-decoration:none}body.site a:hover{text-decoration:underline}body.site img{display:block;max-width:100%;height:auto}body.site .site-shell{width:min(1120px,calc(100% - 24px));margin:0 auto}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);background:rgba(244,248,252,.88);border-bottom:1px solid rgba(18,32,51,.08)}body.site .site-header-inner{width:min(1120px,calc(100% - 24px));margin:0 auto;padding:12px 0 10px;display:grid;grid-gap:10px;gap:10px}body.site .brand{display:flex;align-items:center;gap:12px;min-width:0}body.site .brand-home,body.site .brand-link{font-family:var(--font-serif),Georgia,serif;font-weight:700;letter-spacing:.02em;color:#10223d;line-height:1.1}body.site .brand-home,body.site .brand-link{font-size:16px}body.site .site-icp{color:rgba(18,32,51,.68);font-size:12px;margin-left:auto;white-space:nowrap}body.site .header-tools{display:flex;align-items:center;justify-content:space-between;gap:10px}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(18,32,51,.16);background:#ffffff;color:#10223d;border-radius:999px;padding:9px 14px;font:inherit;line-height:1}body.site .nav-list{list-style:none;padding:0;margin:0;display:grid;grid-gap:6px;gap:6px}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:inline-flex;align-items:center;gap:6px;padding:7px 10px;border-radius:10px;background:rgba(255,255,255,.82);border:1px solid rgba(18,32,51,.08);box-shadow:0 6px 20px rgba(16,34,61,.04)}body.site .nav-list>li.tap>ul{display:grid}body.site .nav-list>li>ul{list-style:none;padding:8px;margin:0;display:none;gap:6px;background:#ffffff;border:1px solid rgba(18,32,51,.1);box-shadow:0 16px 34px rgba(16,34,61,.12);border-radius:14px}body.site .nav-list>li>ul a{display:block;padding:7px 10px;border-radius:10px}body.site .page-main{width:min(1120px,calc(100% - 24px));margin:18px auto 48px}body.site .breadcrumbs{margin:0 0 14px}body.site .breadcrumbs ol,body.site .in-article-toc ol{list-style:none;padding:0;margin:0}body.site .breadcrumbs ol{display:flex;flex-wrap:wrap;gap:6px;color:rgba(18,32,51,.64);font-size:12px}body.site .breadcrumbs li:not(:last-child):after{content:">";margin-left:6px;color:rgba(18,32,51,.4)}body.site h1{margin:0;font-family:var(--font-serif),Georgia,serif;font-size:16px;line-height:1.35;letter-spacing:.01em;color:#10223d}body.site h2{margin:0;font-size:15px;line-height:1.45}body.site .article-desc,body.site .cat-desc{margin-top:10px;color:rgba(18,32,51,.74);font-size:14px;font-weight:400}body.site .home-grid{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .copy-card,body.site .hero-card,body.site .hot-card,body.site .info-card,body.site .list-card,body.site .tag-card{background:rgba(255,255,255,.82);border:1px solid rgba(18,32,51,.09);box-shadow:0 18px 42px rgba(16,34,61,.08);border-radius:18px}body.site .hero-card{overflow:hidden}body.site .hero-card .hero-copy{padding:16px}body.site .hero-card .hero-copy p{margin:10px 0 0;color:rgba(18,32,51,.76)}body.site .hero-card .hero-media{aspect-ratio:16/10;position:relative}body.site .hero-card .hero-media img{object-fit:cover}body.site .section-title{margin:0 0 12px;display:flex;align-items:baseline;justify-content:space-between;gap:12px}body.site .section-title a,body.site .section-title span{color:rgba(18,32,51,.74);font-size:12px}body.site .article-list,body.site .card-list,body.site .hot-list,body.site .tag-list{list-style:none;padding:0;margin:0;display:grid;grid-gap:10px;gap:10px}body.site .article-card,body.site .copy-card,body.site .hot-card,body.site .info-card,body.site .list-card,body.site .tag-card{padding:14px}body.site .hot-list a,body.site .tag-list a{display:inline-flex;gap:8px}body.site .list-item{display:grid;grid-gap:12px;gap:12px}body.site .list-item .cover{position:relative;aspect-ratio:16/9;border-radius:14px;overflow:hidden;background:#dfe9f4}body.site .list-item .cover img{object-fit:cover}body.site .copy{color:#1a2d47}body.site .copy h2{margin:22px 0 10px;font-size:16px}body.site .copy p{margin:0 0 14px}body.site .copy ol,body.site .copy ul{padding-left:1.2em}body.site .in-article-toc{margin:0 0 14px;padding:12px 14px;border-radius:16px;background:rgba(16,34,61,.04);border:1px solid rgba(18,32,51,.08)}body.site .in-article-toc ol{display:grid;grid-gap:8px;gap:8px}body.site .in-article-toc a{display:inline-flex;color:#214a7a}body.site #friend-links{margin-top:24px;padding:14px;border-radius:18px;background:rgba(255,255,255,.74);border:1px solid rgba(18,32,51,.08)}body.site #friend-links ul{list-style:none;padding:0;margin:0;display:flex;flex-wrap:wrap;gap:10px 14px}body.site .pager{margin-top:22px}body.site .pager,body.site .pager nav{display:flex;justify-content:center}body.site .pager a,body.site .pager span{padding:8px 12px;border-radius:999px;background:rgba(255,255,255,.82);border:1px solid rgba(18,32,51,.08)}body.site .script-gate{display:none}@media (min-width:769px){body.site .site-header-inner{grid-template-columns:auto 1fr;align-items:center}body.site .header-tools{justify-content:flex-end}body.site .menu{display:none}body.site .nav-list{display:flex;align-items:center;justify-content:flex-end;gap:8px 10px}body.site .nav-list>li>ul{position:absolute;left:0;top:100%;min-width:210px}body.site .nav-list>li:hover>ul{display:grid}body.site .home-grid{grid-template-columns:minmax(0,1.35fr) minmax(280px,.72fr);align-items:start}body.site .hero-card{display:grid;grid-template-columns:minmax(0,1.2fr) minmax(280px,.88fr)}body.site .hero-card .hero-copy{padding:24px}body.site .hero-card .hero-copy p{max-width:34em}body.site .home-side{display:grid;grid-gap:14px;gap:14px}body.site .list-item{grid-template-columns:150px minmax(0,1fr);align-items:start}body.site .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 260px;grid-gap:18px;gap:18px;align-items:start}body.site .in-article-toc{position:-webkit-sticky;position:sticky;top:96px}}