body.site{margin:0;color:#13202f;background:radial-gradient(circle at top,rgba(75,125,255,.08),transparent 36%),linear-gradient(180deg,#f7f9fc,#eef3f9);font-family:var(--font-serif),Georgia,"Times New Roman",serif;-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility}body.site,body.site *{box-sizing:border-box}body.site a{color:inherit;text-decoration:none}body.site img{display:block;max-width:100%}body.site .site-shell{min-height:100vh}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:20;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(247,249,252,.88);border-bottom:1px solid rgba(18,32,47,.08)}body.site .site-header-inner{display:grid;grid-template-columns:1fr auto;grid-gap:12px;gap:12px;align-items:center;padding:14px 16px}body.site .brand{min-width:0;display:inline-flex;align-items:center;gap:10px;font-size:16px;line-height:1.2;font-weight:700;letter-spacing:.02em}body.site .brand .brand-link,body.site .brand h1{margin:0;font-size:16px;line-height:1.2;font-weight:700;color:#13202f}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(18,32,47,.12);background:#ffffff;color:#13202f;border-radius:999px;min-width:42px;height:42px;padding:0 14px;font:inherit;font-size:14px;line-height:1;box-shadow:0 8px 22px rgba(15,28,44,.08)}body.site.nav-open{overflow:hidden}body.site .site-nav{position:relative;padding:0 16px 14px}body.site .nav-list{display:none;margin:0;padding:10px;list-style:none;border:1px solid rgba(18,32,47,.12);border-radius:18px;background:rgba(255,255,255,.96);box-shadow:0 20px 40px rgba(15,28,44,.12)}body.site.nav-open .nav-list{display:grid;grid-gap:8px;gap:8px}body.site .nav-item{position:relative}body.site .nav-link,body.site .nav-parent{display:flex;align-items:center;justify-content:space-between;gap:10px;min-height:44px;padding:10px 12px;border-radius:14px;background:#f4f7fb;color:#13202f;font-size:15px;font-weight:600}body.site .nav-item.tap>.nav-parent{background:#e4ecff}body.site .nav-children{display:none;margin:8px 0 0;padding:8px;list-style:none;border-radius:16px;border:1px solid rgba(18,32,47,.1);background:#ffffff}body.site .nav-item.tap>.nav-children{display:grid;grid-gap:6px;gap:6px}body.site .nav-children a{display:block;padding:10px 12px;border-radius:12px;background:#f7f9fc;font-size:14px}body.site .main-area{padding:16px}body.site .crumbs{margin:0 0 14px}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;list-style:none;font-size:13px;color:rgba(19,32,47,.72)}body.site .crumbs li{display:inline-flex;align-items:center;gap:8px}body.site .crumbs li+li:before{content:">";opacity:.55}body.site .hero{display:grid;grid-gap:14px;gap:14px}body.site .article-card,body.site .feature-tile,body.site .friend-box,body.site .hero-card,body.site .hot-box,body.site .list-card,body.site .panel,body.site .story,body.site .tag-cloud{border:1px solid rgba(18,32,47,.1);border-radius:20px;background:rgba(255,255,255,.86);box-shadow:0 18px 34px rgba(15,28,44,.08)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:18px}body.site .hero-copy h1,body.site .page-title{margin:0;font-size:16px;line-height:1.3;font-weight:800;letter-spacing:.01em}body.site .article-desc,body.site .cat-desc,body.site .hero-copy p,body.site .text{margin:0;color:rgba(19,32,47,.78);line-height:1.8;font-size:14px}body.site .hero-media{aspect-ratio:16/10;position:relative;background:linear-gradient(135deg,#dfe8f4,#c9d8ea)}body.site .hero-media img{object-fit:cover}body.site .home-grid{display:grid;grid-gap:14px;gap:14px;margin-top:14px}body.site .feature-tile{padding:16px}body.site .article-card h2,body.site .feature-tile h2,body.site .friend-box h2,body.site .hot-box h2,body.site .list-card h2,body.site .panel h2,body.site .story h2,body.site .tag-cloud h2{margin:0 0 10px;font-size:15px;line-height:1.35}body.site .block-html,body.site .copy{color:#162233;line-height:1.85;font-size:14px}body.site .block-html h2,body.site .copy h2{margin:1.2em 0 .55em;font-size:15px;line-height:1.35}body.site .block-html ol,body.site .block-html p,body.site .block-html ul,body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 1em}body.site .article-card,body.site .friend-box,body.site .hot-box,body.site .list-card,body.site .panel,body.site .story,body.site .tag-cloud{padding:16px}body.site .article-list,body.site .friend-list,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:10px;gap:10px;margin:0;padding:0;list-style:none}body.site .article-list a,body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:block;padding:12px 13px;border-radius:14px;background:#f7f9fc;border:1px solid rgba(18,32,47,.08)}body.site .article-list li{display:grid;grid-gap:10px;gap:10px}body.site .article-cover{aspect-ratio:16/9;position:relative;overflow:hidden;border-radius:16px;background:linear-gradient(135deg,#dfe8f4,#c9d8ea)}body.site .article-cover img{object-fit:cover}body.site .pager{display:flex;justify-content:center;gap:10px;margin-top:16px}body.site .pager a,body.site .pager span{min-width:42px;padding:10px 12px;text-align:center;border-radius:12px}body.site .pager a,body.site .pager span,body.site .toc{background:rgba(255,255,255,.9);border:1px solid rgba(18,32,47,.1)}body.site .toc{margin:16px 0;padding:14px 16px;border-radius:18px}body.site .toc ol{margin:0;padding-left:18px}body.site .toc li+li{margin-top:8px}body.site .toc a{color:#214a86}body.site .site-footer{padding:18px 16px 28px;color:rgba(19,32,47,.68);font-size:13px}@media (min-width:769px){body.site .main-area,body.site .site-footer,body.site .site-header-inner,body.site .site-nav{width:min(1160px,calc(100vw - 48px));margin-inline:auto;padding-left:0;padding-right:0}body.site .site-header-inner{grid-template-columns:auto 1fr auto}body.site .menu{display:none}body.site .site-nav{padding-top:0;padding-bottom:14px}body.site .nav-list{display:flex;gap:10px;align-items:center;justify-content:flex-end;padding:0;border:0;background:transparent;box-shadow:none}body.site .nav-item{position:relative}body.site .nav-link,body.site .nav-parent{background:transparent;border:1px solid rgba(18,32,47,.1)}body.site .nav-item:hover>.nav-children{display:grid;position:absolute;top:calc(100% + 10px);left:0;min-width:220px;z-index:2}body.site .home-grid{grid-template-columns:1.35fr .95fr .9fr;align-items:start}body.site .hero{grid-column:1/span 2}body.site .feature-tile.feature-wide{grid-column:3;grid-row:1/span 2}body.site .list-layout{display:grid;grid-template-columns:1.15fr .85fr;grid-gap:18px;gap:18px;align-items:start}body.site .article-layout{display:grid;grid-template-columns:minmax(0,1fr) 280px;grid-gap:18px;gap:18px;align-items:start}}