body.site{margin:0;color:#18212b;background:radial-gradient(circle at top left,rgba(34,97,154,.08),transparent 34%),linear-gradient(180deg,#f6f8fb,#edf2f7);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.6}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .site-shell{width:min(100%,1200px);margin:0 auto;padding:0 16px 28px}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);background:rgba(246,248,251,.92);border-bottom:1px solid rgba(24,33,43,.1)}body.site .site-header-inner{width:min(100%,1200px);margin:0 auto;padding:14px 16px;display:grid;grid-template-columns:1fr auto;grid-gap:12px;gap:12px;align-items:center}body.site .brand{min-width:0}body.site .brand-home,body.site .brand-link{display:inline-flex;align-items:center;gap:10px;font-size:16px;font-weight:700;letter-spacing:.04em}body.site h1{margin:0;font-size:16px;line-height:1.2}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(24,33,43,.18);background:#ffffff;color:#18212b;border-radius:999px;height:40px;padding:0 14px;font:inherit;font-size:14px;box-shadow:0 8px 20px rgba(24,33,43,.08)}body.site .nav-wrap{width:min(100%,1200px);margin:0 auto;padding:0 16px 8px}body.site .nav-list{display:none;margin:0;padding:8px 0 0;list-style:none}body.site.nav-open .nav-list{display:grid;grid-gap:8px;gap:8px}body.site .nav-list>li{position:relative}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;min-height:42px;padding:0 14px;border-radius:14px;background:rgba(255,255,255,.9);border:1px solid rgba(24,33,43,.12);box-shadow:0 8px 20px rgba(24,33,43,.06)}body.site .nav-list ul{display:none;margin:8px 0 0;padding:8px;list-style:none;background:#ffffff;border:1px solid rgba(24,33,43,.12);border-radius:16px;box-shadow:0 16px 30px rgba(24,33,43,.12)}body.site .nav-list li.tap>ul{display:grid;grid-gap:4px;gap:4px}body.site .nav-list ul a{display:block;padding:10px 12px;border-radius:10px;background:rgba(237,242,247,.75)}body.site .crumbs{margin:18px 0 8px}body.site .crumbs ol,body.site .in-article-toc ol,body.site .pager{margin:0;padding:0;list-style:none}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:rgba(24,33,43,.72)}body.site .crumbs li+li:before{content:">";margin-right:6px;color:rgba(24,33,43,.38)}body.site main{padding-top:8px}body.site .page-title{margin:10px 0 0;font-size:16px;line-height:1.2;font-weight:700}body.site .article-desc,body.site .cat-desc{margin:10px 0 0;font-size:15px;font-weight:400;color:rgba(24,33,43,.78)}body.site .hero-grid{display:grid;grid-gap:16px;gap:16px;margin-top:14px}body.site .article-card,body.site .feature-card,body.site .hero-card,body.site .list-card,body.site .panel,body.site .story-card,body.site .tag-cloud{background:rgba(255,255,255,.86);border:1px solid rgba(24,33,43,.1);border-radius:20px;box-shadow:0 16px 34px rgba(24,33,43,.08)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px}body.site .hero-copy h2{margin:0;font-size:18px}body.site .hero-copy p{margin:10px 0 0;color:rgba(24,33,43,.76)}body.site .hero-image{aspect-ratio:16/10;background:#dde5ee}body.site .hero-image :where(img){width:100%;height:100%;object-fit:cover}body.site .content-grid{display:grid;grid-gap:16px;gap:16px;margin-top:16px}body.site .panel{padding:16px}body.site .section-head{display:flex;align-items:baseline;justify-content:space-between;gap:12px;margin-bottom:12px}body.site .section-head h2{margin:0;font-size:15px}body.site .section-head a{font-size:13px;color:rgba(24,33,43,.68)}body.site .feature-grid,body.site .hot-grid,body.site .list-grid,body.site .tag-grid{display:grid;grid-gap:12px;gap:12px}body.site .article-card,body.site .feature-card,body.site .list-card{overflow:hidden}body.site .article-card a,body.site .feature-card a,body.site .list-card a{display:grid}body.site .card-body{padding:14px}body.site .card-title{margin:0;font-size:15px;line-height:1.35}body.site .card-meta{margin-top:8px;font-size:13px;color:rgba(24,33,43,.72)}body.site .thumb{aspect-ratio:16/10;background:#dfe7f0}body.site .thumb :where(img){width:100%;height:100%;object-fit:cover}body.site .tag-cloud{padding:16px}body.site .tag-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .tag-grid a{display:flex;align-items:center;justify-content:center;min-height:44px;padding:8px 12px;border-radius:14px;background:#f5f8fc;border:1px solid rgba(24,33,43,.08);text-align:center}body.site .article-layout{display:grid;grid-gap:18px;gap:18px;margin-top:14px}body.site .in-article-toc{padding:14px 16px;background:rgba(255,255,255,.82);border:1px solid rgba(24,33,43,.1);border-radius:18px}body.site .in-article-toc ol{display:grid;grid-gap:8px;gap:8px}body.site .in-article-toc a{color:#274a72}body.site .copy{padding:16px;background:rgba(255,255,255,.88);border:1px solid rgba(24,33,43,.1);border-radius:20px;box-shadow:0 16px 34px rgba(24,33,43,.08);overflow:hidden}body.site .copy :where(h2){margin:1.4em 0 .6em;font-size:16px}body.site .copy :where(p,ul,ol,figure,table,blockquote){margin:0 0 1em}body.site .copy :where(img){border-radius:16px}body.site .pager{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;justify-content:center;min-height:40px;padding:0 14px;border-radius:999px;background:rgba(255,255,255,.84);border:1px solid rgba(24,33,43,.1)}body.site .friend-links{margin-top:18px;padding:16px;background:rgba(255,255,255,.76);border:1px solid rgba(24,33,43,.1);border-radius:18px}body.site #friend-links ul{display:grid;grid-gap:8px;gap:8px;margin:0;padding:0;list-style:none}body.site #friend-links a{color:#2a547f}body.site .site-footer{width:min(100%,1200px);margin:18px auto 0;padding:0 16px 24px;color:rgba(24,33,43,.7);font-size:13px}body.site .site-footer small{display:block;line-height:1.7}@media (min-width:769px){body.site .site-header-inner{grid-template-columns:auto 1fr}body.site .nav-wrap{padding-top:0}body.site .menu{display:none}body.site .nav-list{display:flex;flex-wrap:wrap;gap:10px;justify-content:flex-end;align-items:center;padding-top:0}body.site.nav-open .nav-list{display:flex}body.site .nav-list>li>a,body.site .nav-list>li>span{background:transparent;border:0;box-shadow:none;min-height:34px}body.site .nav-list>li>ul{position:absolute;left:0;top:100%;min-width:220px;margin-top:8px}body.site .nav-list>li:hover>ul{display:grid}body.site .hero-grid{grid-template-columns:1.35fr .9fr;align-items:start}body.site .content-grid{grid-template-columns:1.05fr .95fr}body.site .article-layout{grid-template-columns:minmax(0,280px) minmax(0,1fr);align-items:start}body.site .tag-grid{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .feature-grid,body.site .list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}