body.site{margin:0;color:#1c2430;background:radial-gradient(circle at top left,rgba(79,114,164,.14),transparent 36%),linear-gradient(180deg,#f6f8fb,#edf2f8);font-family:var(--font-serif),Georgia,serif;line-height:1.7}body.site *,body.site :after,body.site :before{box-sizing:border-box}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%;height:auto}body.site .chrome{width:100%}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;display:flex;align-items:center;gap:12px;padding:14px 16px;background:rgba(248,251,255,.96);border-bottom:1px solid rgba(27,42,64,.1);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}body.site .brand{flex:1 1;min-width:0;font-size:15px;font-weight:700;letter-spacing:.02em}body.site .brand h1{margin:0;font-size:16px;line-height:1.2}body.site .brand-link{display:inline-flex;align-items:center;gap:8px}body.site .brand-link .brand-mark{width:9px;height:9px;border-radius:999px;background:linear-gradient(135deg,#1f5b9b,#76a9e0);box-shadow:0 0 0 4px rgba(63,122,194,.12)}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(27,42,64,.16);background:#fff;color:#17202b;border-radius:999px;padding:9px 12px;font:inherit;font-size:13px;line-height:1}body.site.nav-open{overflow:hidden}body.site .nav-list{display:none;position:fixed;inset:58px 0 0;z-index:35;margin:0;padding:14px 16px 22px;list-style:none;background:#f6f9fd;border-top:1px solid rgba(27,42,64,.08);overflow:auto}body.site.nav-open .nav-list{display:block}body.site .nav-list>li{position:relative;margin:0 0 10px}body.site .nav-list>li>a,body.site .nav-list>li>span{display:flex;align-items:center;justify-content:space-between;min-height:44px;padding:10px 12px;border:1px solid rgba(27,42,64,.12);border-radius:14px;background:#fff;font-size:14px}body.site .nav-list>li.tap>ul{display:block}body.site .nav-list>li>ul{display:none;margin:8px 0 0;padding:8px;list-style:none;border:1px solid rgba(27,42,64,.12);border-radius:14px;background:#ffffff;box-shadow:0 18px 34px rgba(26,38,58,.12)}body.site .nav-list>li>ul>li+li{margin-top:6px}body.site .nav-list>li>ul a{display:block;padding:9px 10px;border-radius:10px;background:rgba(118,169,224,.08);font-size:13px}body.site .page{width:100%}body.site .page-inner{width:min(100%,1180px);margin:0 auto;padding:16px}body.site .crumbs{margin:0 0 16px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;margin:0;padding:0;list-style:none;color:#516073;font-size:13px}body.site .crumbs li{display:inline-flex;align-items:center;gap:6px}body.site .crumbs li+li:before{content:">";color:#9aa7b8}body.site .home-shell{display:grid;grid-gap:16px;gap:16px}body.site .hero{overflow:hidden;border-radius:22px;background:#132236;color:#f4f8ff;box-shadow:0 20px 50px rgba(20,32,50,.14)}body.site .hero-media{position:relative;min-height:240px}body.site .hero-copy{padding:16px}body.site .hero h1{margin:0 0 10px;font-size:16px;line-height:1.35}body.site .hero p{margin:0;color:rgba(244,248,255,.82);font-size:14px}body.site .home-grid{display:grid;grid-gap:16px;gap:16px}body.site .article-panel,body.site .card,body.site .home-panel,body.site .list-panel{background:rgba(255,255,255,.88);border:1px solid rgba(27,42,64,.1);border-radius:20px;box-shadow:0 14px 34px rgba(28,36,48,.08)}body.site .home-panel{overflow:hidden}body.site .article-panel h1,body.site .article-panel h2,body.site .home-panel h2,body.site .home-panel h3,body.site .list-panel h1,body.site .list-panel h2{margin:0}body.site .article-panel .panel-head,body.site .home-panel .panel-head,body.site .list-panel .panel-head{padding:16px 16px 0}body.site .article-panel .panel-body,body.site .home-panel .panel-body,body.site .list-panel .panel-body{padding:16px}body.site .home-panels{display:grid;grid-gap:16px;gap:16px}body.site .block-copy{padding:16px}body.site .block-copy h2,body.site .block-copy h3{margin:0 0 10px;font-size:15px}body.site .block-copy p{margin:0 0 10px}body.site .article-list,body.site .friend-list,body.site .hot-list,body.site .tag-list,body.site .toc-list{display:grid;grid-gap:10px;gap:10px;margin:0;padding:0;list-style:none}body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:12px 14px;border-radius:14px;background:rgba(17,93,166,.06)}body.site .friend-list a{background:rgba(31,91,155,.08)}body.site .cover{position:relative;overflow:hidden;border-radius:18px;background:#dde6f0}body.site .list-grid{display:grid;grid-gap:14px;gap:14px}body.site .list-card{display:grid;grid-gap:12px;gap:12px;padding:12px}body.site .list-card h2,body.site .list-card h3{margin:0;font-size:15px}body.site .list-meta{color:#5b6778;font-size:13px}body.site .article-desc,body.site .cat-desc{margin:10px 0 0;color:#526173;font-size:14px;font-weight:400}body.site .toc{margin:0 0 16px;padding:14px 16px;border:1px solid rgba(27,42,64,.1);border-radius:18px;background:rgba(243,247,252,.96)}body.site .toc h2{margin:0 0 10px;font-size:14px}body.site .copy{padding:2px 0 0;color:#253142;font-size:15px}body.site .copy h2{margin:28px 0 12px;font-size:16px;line-height:1.35}body.site .copy p{margin:0 0 14px}body.site .copy ol,body.site .copy ul{margin:0 0 16px;padding-left:1.2em}body.site .pager{display:flex;justify-content:center;margin:22px 0 0}body.site .pager nav{display:flex;gap:8px}body.site .pager a,body.site .pager span{min-width:40px;padding:10px 12px;text-align:center;border:1px solid rgba(27,42,64,.12);border-radius:12px;background:#fff}body.site #friend-links{margin-top:16px}body.site #friend-links h2{margin:0 0 10px;font-size:14px}body.site .empty{color:#687586;font-size:13px}body.site .error-box,body.site .loading-box{padding:24px 16px;text-align:center}body.site .error-box h1,body.site .loading-box{font-size:16px}@media (min-width:769px){body.site .topbar{padding:18px 28px}body.site .brand h1{font-size:18px}body.site .menu{display:none}body.site .nav-list{display:flex;align-items:center;gap:18px;position:static;inset:auto;margin-left:18px;padding:0;overflow:visible;background:transparent;border:0}body.site .nav-list>li{margin:0}body.site .nav-list>li>a,body.site .nav-list>li>span{min-height:0;padding:8px 0;border:0;border-radius:0;background:transparent}body.site .nav-list>li>ul{position:absolute;top:calc(100% + 10px);left:0;min-width:220px}body.site .nav-list>li:hover>ul{display:block}body.site .page-inner{padding:24px 28px 36px}body.site .home-shell{grid-template-columns:1.12fr .88fr;align-items:start}body.site .home-grid,body.site .home-panels{grid-template-columns:1fr 1fr}body.site .list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-panel .panel-body{max-width:860px}}