body.site{margin:0;background:#f4f6f9;color:#17212f;font-family:var(--font-serif),Georgia,serif;line-height:1.7;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .chrome{min-height:100vh}body.site .site-shell{width:min(100%,1180px);margin:0 auto;padding:14px 14px 28px}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;margin:-14px -14px 18px;padding:12px 14px 10px;background:rgba(244,246,249,.96);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);border-bottom:1px solid rgba(23,33,47,.08)}body.site .header-row{display:flex;align-items:center;gap:10px;justify-content:space-between}body.site .brand{display:inline-flex;align-items:center;gap:8px;min-width:0}body.site .brand-mark{width:34px;height:34px;border-radius:11px;background:linear-gradient(135deg,#1c4f82,#2d7bb9);box-shadow:0 10px 24px rgba(44,120,185,.22);flex:0 0 auto}body.site .brand-text{font-size:15px;font-weight:700;letter-spacing:.02em;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}body.site h1{margin:0;font-size:16px;line-height:1.25}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(23,33,47,.12);background:#fff;color:#17212f;border-radius:999px;width:42px;height:42px;padding:0;display:inline-grid;place-items:center;box-shadow:0 8px 18px rgba(16,24,40,.06);cursor:pointer}body.site .menu:before{content:"";width:16px;height:12px;background:linear-gradient(currentColor,currentColor) 0 0 /100% 2px no-repeat,linear-gradient(currentColor,currentColor) 0 50% /100% 2px no-repeat,linear-gradient(currentColor,currentColor) 0 100% /100% 2px no-repeat}body.site.nav-open .menu{background:#17212f;color:#fff}body.site .main-nav{margin-top:10px}body.site .nav-list{display:none;list-style:none;padding:0;margin:0;gap:8px;flex-wrap:wrap}body.site.nav-open .nav-list{display:flex}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;min-height:38px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid rgba(23,33,47,.1);box-shadow:0 8px 18px rgba(16,24,40,.05);white-space:nowrap}body.site .nav-list>li.tap>.subnav,body.site .nav-list>li:hover>.subnav{display:block}body.site .subnav{display:none;list-style:none;margin:8px 0 0;padding:8px;background:#fff;border:1px solid rgba(23,33,47,.12);border-radius:16px;box-shadow:0 16px 32px rgba(16,24,40,.12)}body.site .subnav a{display:block;padding:8px 12px;border-radius:12px}body.site .subnav a:hover{background:rgba(44,120,185,.08)}body.site .content{display:block}body.site .crumbs{margin:0 0 14px}body.site .crumbs ol,body.site .in-article-toc ol,body.site .pager ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:6px}body.site .crumbs li+li:before{content:">";margin-right:6px;color:rgba(23,33,47,.45)}body.site .crumbs a,body.site .crumbs span{font-size:13px;color:rgba(23,33,47,.72)}body.site .page-title{margin:0;font-size:16px;line-height:1.3}body.site .article-desc,body.site .cat-desc{margin:8px 0 0;font-size:14px;line-height:1.75;font-weight:400;color:rgba(23,33,47,.78)}body.site .article-card,body.site .block-card,body.site .friend-box,body.site .hero-card,body.site .hot-card,body.site .list-card,body.site .panel,body.site .tag-cloud{background:#fff;border:1px solid rgba(23,33,47,.09);border-radius:20px;box-shadow:0 10px 24px rgba(16,24,40,.05)}body.site .home-grid{display:grid;grid-gap:14px;gap:14px}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px}body.site .hero-copy h2{margin:0 0 8px;font-size:16px}body.site .hero-copy p{margin:0;color:rgba(23,33,47,.76);font-size:14px}body.site .hero-media{position:relative;min-height:190px;background:#dfe8f2}body.site .hero-media img{object-fit:cover}body.site .mini-grid{display:grid;grid-gap:12px;gap:12px}body.site .mini-grid .panel{padding:14px}body.site .panel h2,body.site .panel h3{margin:0 0 10px;font-size:15px}body.site .article-list,body.site .block-list,body.site .friend-box,body.site .hot-list,body.site .tag-cloud{padding:14px}body.site .article-list ul,body.site .block-list ul,body.site .friend-box ul,body.site .hot-list ul,body.site .tag-list{list-style:none;margin:0;padding:0;display:grid;grid-gap:10px;gap:10px}body.site .article-list a,body.site .block-list a,body.site .friend-box a,body.site .hot-list a,body.site .tag-list a{display:flex;align-items:center;justify-content:space-between;gap:10px}body.site .article-list a:after,body.site .block-list a:after,body.site .hot-list a:after,body.site .tag-list a:after{content:"↗";color:rgba(23,33,47,.4);flex:0 0 auto}body.site .block-card{overflow:hidden}body.site .block-media{position:relative;aspect-ratio:16/10;background:#dde5ef}body.site .block-text{padding:14px}body.site .article-item h3,body.site .block-text h3{margin:0;font-size:15px;line-height:1.45}body.site .block-text .block-html{margin-top:8px;color:rgba(23,33,47,.78);font-size:14px}body.site .article-card{overflow:hidden}body.site .article-media{position:relative;aspect-ratio:16/9;background:#dfe8f2}body.site .article-body{padding:16px}body.site .article-body .copy{font-size:15px}body.site .article-body .copy h2{margin:1.3em 0 .55em;font-size:15px}body.site .article-body .copy ol,body.site .article-body .copy p,body.site .article-body .copy ul{margin:0 0 1em}body.site .in-article-toc{margin:0 0 14px;padding:14px;border-radius:18px;background:#f8fafc;border:1px solid rgba(23,33,47,.08)}body.site .in-article-toc a{color:#204b77}body.site .pager{margin-top:18px}body.site .pager a,body.site .pager span{display:inline-flex;min-height:38px;align-items:center;padding:0 12px;border-radius:999px;background:#fff;border:1px solid rgba(23,33,47,.1)}body.site .empty{padding:24px 16px;color:rgba(23,33,47,.68)}body.site .site-footer{margin-top:24px;padding-top:16px;border-top:1px solid rgba(23,33,47,.08);color:rgba(23,33,47,.66);font-size:13px}@media (min-width:769px){body.site .site-shell{padding:18px 20px 36px}body.site .site-header{margin:-18px -20px 22px;padding:14px 20px 12px}body.site .header-row{gap:16px}body.site .menu{display:none}body.site .main-nav{margin-top:12px}body.site .nav-list{display:flex}body.site .nav-list>li:hover>.subnav{display:block}body.site .nav-list>li>a,body.site .nav-list>li>span{min-height:40px}body.site .home-grid{grid-template-columns:1.25fr .9fr;align-items:start}body.site .hero-card{display:grid}body.site .hero-card,body.site .mini-grid{grid-template-columns:1fr 1fr}body.site .article-layout{display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.8fr);grid-gap:18px;gap:18px;align-items:start}body.site .article-side{position:-webkit-sticky;position:sticky;top:110px}}