body.site{margin:0;color:#162133;background:radial-gradient(circle at top left,rgba(44,99,162,.12),transparent 32%),radial-gradient(circle at right 12% top 18%,rgba(42,175,146,.1),transparent 24%),linear-gradient(180deg,#f6f8fb,#eef3f8);font-family:var(--font-serif),Georgia,"Times New Roman",serif}body.site a{color:inherit;text-decoration:none}body.site a:hover{text-decoration:underline}body.site .site-shell{width:min(100%,1200px);margin:0 auto;padding:14px 14px 44px;box-sizing:border-box}body.site .site-header{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:flex;align-items:center;gap:10px;flex-wrap:wrap;padding:12px 14px;margin:-14px -14px 18px;background:rgba(246,248,251,.88);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(22,33,51,.08)}body.site .brand{font-weight:700;letter-spacing:.02em}body.site .brand,body.site .brand-home{display:inline-flex;align-items:center;min-width:0;font-size:16px;color:#10203a}body.site .brand-home{font-weight:800;letter-spacing:.03em}body.site .menu{margin-left:auto;border:1px solid rgba(22,33,51,.14);background:#ffffff;color:#10203a;border-radius:999px;height:38px;min-width:72px;padding:0 14px;font:inherit}body.site .nav-list{display:none;width:100%;margin:0;padding:10px 0 2px;list-style:none;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:rgba(255,255,255,.92);border:1px solid rgba(22,33,51,.1);box-shadow:0 8px 18px rgba(17,29,48,.04)}body.site .nav-list>li>a:hover{text-decoration:none;background:#10203a;color:#fff}body.site .nav-list ul{display:none;position:absolute;left:0;top:calc(100% + 8px);min-width:220px;margin:0;padding:8px;list-style:none;background:#ffffff;border:1px solid rgba(22,33,51,.12);box-shadow:0 18px 34px rgba(10,21,39,.14);border-radius:14px;z-index:12}body.site .nav-list li.tap>ul,body.site .nav-list li:focus-within>ul,body.site .nav-list li:hover>ul{display:block}body.site .nav-list ul a{display:block;padding:10px 12px;border-radius:10px}body.site .nav-list ul a:hover{background:rgba(16,32,58,.07);text-decoration:none}body.site .crumbs{margin:0 0 12px}body.site .crumbs ol,body.site .in-article-toc ol,body.site .pager ol{margin:0;padding:0;list-style:none}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:6px;color:#4a5870;font-size:13px}body.site .crumbs li+li:before{content:">";margin-right:6px;color:#8a97ac}body.site main{display:block}body.site h1{margin:0;font-size:16px;line-height:1.4;letter-spacing:.01em}body.site h2{margin:0;line-height:1.5}body.site .article-desc,body.site .cat-desc{margin-top:10px;color:#5a677d;font-size:14px;font-weight:400}body.site .hero-grid{display:grid;grid-gap:12px;gap:12px;grid-template-columns:1fr}body.site .article-card,body.site .hero-card,body.site .home-block,body.site .hot-card,body.site .panel,body.site .tag-card,body.site .toc-card{background:rgba(255,255,255,.84);border:1px solid rgba(22,33,51,.08);border-radius:18px;box-shadow:0 16px 34px rgba(15,28,47,.06)}body.site .hero-card{overflow:hidden}body.site .hero-copy{padding:16px}body.site .hero-copy p{margin:10px 0 0;color:#4d5c73;font-size:14px;line-height:1.8}body.site .hero-media{display:block}body.site .card-image img,body.site .hero-media img{width:100%;height:auto;display:block}body.site .section-grid{display:grid;grid-gap:12px;gap:12px;margin-top:12px}body.site .home-block{overflow:hidden}body.site .home-block .block-body{padding:14px 14px 16px}body.site .home-block .block-body :first-child{margin-top:0}body.site .home-block .block-body :last-child{margin-bottom:0}body.site .article-list,body.site .cards,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:12px;gap:12px}body.site .article-list{margin-top:14px}body.site .article-item{overflow:hidden}body.site .article-item .item-body{padding:12px 14px 14px}body.site .article-item h2,body.site .hot-card h2,body.site .tag-card h2{font-size:15px}body.site .article-item p,body.site .hot-card p,body.site .tag-card p{margin:8px 0 0;color:#5a677d;font-size:14px;line-height:1.75}body.site .copy{margin-top:18px;padding:16px;background:rgba(255,255,255,.84);border:1px solid rgba(22,33,51,.08);border-radius:18px;box-shadow:0 16px 34px rgba(15,28,47,.06);line-height:1.9;font-size:15px;overflow-wrap:anywhere}body.site .copy h2{margin:1.2em 0 .5em;font-size:15px}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy ul{margin:0 0 1em}body.site .copy img{max-width:100%;height:auto}body.site .toc-card{padding:14px 14px 8px;margin:14px 0 0}body.site .toc-card h2{font-size:14px;margin-bottom:8px;color:#10203a}body.site .in-article-toc ol{display:grid;grid-gap:6px;gap:6px}body.site .in-article-toc a{display:inline-flex;padding:4px 0;color:#35557c}body.site .pager{margin-top:18px}body.site .pager ol{display:flex;justify-content:space-between;gap:10px}body.site .pager a,body.site .pager span{display:inline-flex;align-items:center;min-height:38px;padding:0 12px;border-radius:999px;background:rgba(255,255,255,.9);border:1px solid rgba(22,33,51,.1)}body.site #friend-links{margin-top:18px;padding:14px;background:rgba(255,255,255,.72);border:1px solid rgba(22,33,51,.08);border-radius:18px}body.site #friend-links ul{margin:0;padding:0;list-style:none;display:grid;grid-gap:8px;gap:8px}body.site #friend-links a{color:#35557c}body.site .site-footer{padding:18px 0 0;color:#5d6a7f;font-size:13px}body.site .site-footer .icp{margin-top:6px}body.site .page-state{padding:28px 0;text-align:center}body.site .page-state button{margin-top:12px;border:1px solid rgba(22,33,51,.12);background:#fff;border-radius:999px;padding:0 16px;min-height:40px;font:inherit}@media (min-width:769px){body.site .site-shell{padding:18px 22px 56px}body.site .site-header{padding:14px 22px;margin:-18px -22px 22px}body.site .menu{display:none}body.site .nav-list{display:flex;width:auto;margin-left:auto;padding:0}body.site .hero-grid{grid-template-columns:1.2fr .8fr;align-items:stretch}body.site .section-grid{grid-template-columns:repeat(12,minmax(0,1fr))}body.site .section-grid>:first-child{grid-column:span 7}body.site .section-grid>:nth-child(2){grid-column:span 5}body.site .section-grid>:nth-child(3){grid-column:span 4}body.site .section-grid>:nth-child(4){grid-column:span 8}body.site .cards{grid-template-columns:repeat(3,minmax(0,1fr))}body.site .article-list,body.site .hot-list,body.site .tag-list{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .copy{padding:20px 22px}body.site #friend-links ul{grid-template-columns:repeat(2,minmax(0,1fr))}}