body.site{margin:0;color:#15202b;background:radial-gradient(circle at top left,rgba(18,94,153,.1),transparent 36%),linear-gradient(180deg,#f4f7fb,#ffffff 38%,#eef3f8);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.7}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site button{font:inherit}body.site .site-shell{width:min(1180px,calc(100% - 24px));margin:0 auto}body.site header.chrome{position:-webkit-sticky;position:sticky;top:0;z-index:40;-webkit-backdrop-filter:saturate(180%) blur(12px);backdrop-filter:saturate(180%) blur(12px);background:rgba(244,247,251,.86);border-bottom:1px solid rgba(21,32,43,.1)}body.site .chrome-bar{display:flex;align-items:center;gap:12px;padding:12px 0;min-height:58px}body.site .brand{min-width:0;flex:1 1 auto;font-size:15px;font-weight:700;letter-spacing:.02em;color:#10263f}body.site .brand h1{margin:0;font-size:16px;line-height:1.2}body.site .brand a{display:inline-flex;align-items:center;gap:8px}body.site .menu{flex:0 0 auto;width:40px;height:40px;border:1px solid rgba(21,32,43,.15);border-radius:999px;background:#fff;color:#16324f;display:inline-grid;place-items:center;box-shadow:0 6px 20px rgba(21,32,43,.08)}body.site .menu:before{content:"";width:16px;height:2px;background:currentColor;box-shadow:0 -5px 0 currentColor,0 5px 0 currentColor;border-radius:2px}body.site.nav-open .menu{background:#16324f;color:#fff}body.site .nav-list{display:none;padding:0 0 14px}body.site.nav-open .nav-list{display:block}body.site .nav-list ol,body.site .nav-list ul{list-style:none;margin:0;padding:0}body.site .nav-list>ul{display:grid;grid-gap:8px;gap:8px}body.site .nav-list>ul>li{position:relative}body.site .nav-list>ul>li>a,body.site .nav-list>ul>li>button{width:100%;border:1px solid rgba(21,32,43,.1);border-radius:14px;padding:10px 12px;background:#fff;color:#14324f;text-align:left;font-weight:600}body.site .nav-list>ul>li>a{display:block}body.site .nav-list .subnav{display:none;margin-top:8px;padding:8px;border:1px solid rgba(21,32,43,.12);border-radius:14px;background:#fff;box-shadow:0 18px 34px rgba(21,32,43,.12)}body.site .nav-list li.tap>.subnav{display:block}body.site .nav-list .subnav a{display:block;padding:9px 10px;border-radius:10px;color:#314b66}body.site .nav-list .subnav a:active,body.site .nav-list .subnav a:hover{background:#eef5fb}body.site main{padding:18px 0 48px}body.site .page-grid{display:grid;grid-gap:16px;gap:16px}body.site .article-card,body.site .hero-card,body.site .home-block,body.site .list-card,body.site .panel{background:rgba(255,255,255,.88);border:1px solid rgba(21,32,43,.1);border-radius:22px;box-shadow:0 18px 40px rgba(21,32,43,.07)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:18px}body.site .article-title,body.site .error-title,body.site .hero-copy h1,body.site .notfound-title,body.site .page-title{margin:0;font-size:16px;line-height:1.3;letter-spacing:.01em}body.site .hero-copy p{margin:12px 0 0;color:#48627a}body.site .hero-media{overflow:hidden;border-top:1px solid rgba(21,32,43,.08)}body.site .hero-media :is(img){width:100%;height:auto}body.site .home-layout{display:grid;grid-gap:16px;gap:16px}body.site .home-block{overflow:hidden}body.site .home-block .block-media{aspect-ratio:16/10;overflow:hidden;background:#dfe8f1}body.site .home-block .block-body{padding:16px}body.site .home-block h2{margin:0 0 8px;font-size:16px}body.site .home-block .copy{color:#40556b}body.site .home-side{display:grid;grid-gap:16px;gap:16px}body.site .article-list,body.site .card-list,body.site .crumbs ol,body.site .friend-list,body.site .tag-grid,body.site .toc ol{list-style:none;margin:0;padding:0}body.site .list-card,body.site .panel{padding:16px}body.site .panel h2,body.site .panel h3{margin:0 0 12px;font-size:15px}body.site .card-list{display:grid;grid-gap:10px;gap:10px}body.site .card-list a,body.site .friend-list a,body.site .tag-grid a{display:block;padding:10px 12px;border-radius:14px;background:#f7fafc;border:1px solid rgba(21,32,43,.08)}body.site .tag-grid{display:flex;flex-wrap:wrap;gap:10px}body.site .tag-grid a{padding:8px 11px;background:#eef5fb}body.site .crumbs{margin:0 0 14px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;font-size:13px;color:#56708a}body.site .crumbs li+li:before{content:">";margin-right:6px;color:#90a2b3}body.site .page-heading{margin:0 0 12px}body.site .article-desc,body.site .cat-desc{margin:10px 0 0;font-size:14px;color:#4c647b;font-weight:400}body.site .article-body{display:grid;grid-gap:18px;gap:18px}body.site .toc{padding:14px 16px;border:1px solid rgba(21,32,43,.1);border-radius:18px;background:#f9fbfd}body.site .toc a{color:#26486a}body.site .copy{overflow:hidden}body.site .copy :where(h2,h3,h4){margin:1.4em 0 .6em;line-height:1.35}body.site .copy :where(p,ul,ol,blockquote,figure){margin:0 0 1em}body.site .copy :where(img){border-radius:18px}body.site .pager{display:flex;gap:10px;flex-wrap:wrap;margin-top:18px}body.site .pager a,body.site .pager span{padding:10px 12px;border-radius:14px;background:#fff;border:1px solid rgba(21,32,43,.1)}body.site .meta-row{display:flex;flex-wrap:wrap;gap:10px;align-items:center;color:#5f7387;font-size:13px}body.site .friends{margin-top:18px}body.site .friends h2{margin:0 0 12px;font-size:15px}body.site .empty{min-height:20px}body.site .error-box,body.site .loading-box,body.site .notfound-box{padding:42px 18px;text-align:center}body.site .error-box button{margin-top:14px;border:0;background:#16324f;color:#fff;padding:10px 14px;border-radius:999px}@media (min-width:769px){body.site .chrome-bar{gap:18px}body.site .menu{display:none}body.site .nav-list{display:block;padding:0;flex:0 0 auto}body.site .nav-list>ul{display:flex;gap:10px;align-items:center}body.site .nav-list>ul>li{position:relative}body.site .nav-list>ul>li>a,body.site .nav-list>ul>li>button{width:auto;padding:10px 14px}body.site .nav-list .subnav{position:absolute;top:calc(100% + 10px);left:0;min-width:220px;z-index:20}body.site .nav-list>ul>li:hover>.subnav{display:block}body.site main{padding:24px 0 64px}body.site .page-grid{grid-template-columns:minmax(0,1.45fr) minmax(280px,.82fr);align-items:start}body.site .hero-card{display:grid;grid-template-columns:minmax(0,1fr) minmax(280px,.9fr)}body.site .hero-media{border-top:0;border-left:1px solid rgba(21,32,43,.08)}body.site .home-layout{grid-template-columns:repeat(12,minmax(0,1fr))}body.site .home-block:first-child{grid-column:span 7}body.site .home-block:nth-child(2){grid-column:span 5}body.site .home-block:nth-child(3){grid-column:span 4}body.site .home-block:nth-child(4){grid-column:span 8}body.site .home-side{grid-column:span 4}body.site .home-main{grid-column:span 8}body.site .article-body{grid-template-columns:minmax(0,.8fr) minmax(0,1.2fr)}body.site .toc{position:-webkit-sticky;position:sticky;top:84px;align-self:start}}