body.site{margin:0;color:#16212f;background:radial-gradient(circle at top,rgba(101,132,168,.12),transparent 38%),linear-gradient(180deg,#f5f7fb,#eef3f8);font-family:var(--font-serif),Georgia,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 .chrome{width:100%}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:30;display:grid;grid-template-columns:1fr auto;grid-gap:.75rem;gap:.75rem;align-items:center;padding:.85rem 1rem;-webkit-backdrop-filter:blur(14px);backdrop-filter:blur(14px);background:rgba(245,247,251,.88);border-bottom:1px solid rgba(22,33,47,.08)}body.site .brand{min-width:0}body.site .brand-home,body.site .brand-link{display:inline-flex;align-items:center;gap:.55rem;font-size:.98rem;font-weight:700;letter-spacing:.02em}body.site .brand-mark{width:.7rem;height:.7rem;border-radius:999px;background:linear-gradient(135deg,#1a4f7a,#7aa0c8);box-shadow:0 0 0 4px rgba(26,79,122,.12)}body.site .menu{-webkit-appearance:none;-moz-appearance:none;appearance:none;border:1px solid rgba(22,33,47,.16);background:#ffffff;color:#16212f;border-radius:999px;padding:.62rem .9rem;font:inherit;line-height:1}body.site .nav{position:relative;padding:0 1rem .9rem}body.site .nav-list{list-style:none;margin:0;padding:0;display:none;gap:.4rem}body.site.nav-open .nav-list{display:grid}body.site .nav-item{position:relative}body.site .nav-link,body.site .nav-parent{display:block;padding:.72rem .9rem;border-radius:.9rem;background:#ffffff;border:1px solid rgba(22,33,47,.08)}body.site .nav-parent{width:100%;text-align:left;font:inherit}body.site .nav-child{list-style:none;margin:.4rem 0 0;padding:.35rem;display:none;background:#ffffff;border:1px solid rgba(22,33,47,.12);border-radius:.95rem;box-shadow:0 16px 36px rgba(22,33,47,.12)}body.site .nav-item.tap>.nav-child{display:grid;grid-gap:.25rem;gap:.25rem}body.site .nav-child a{display:block;padding:.58rem .7rem;border-radius:.7rem}body.site .page{width:min(100%,72rem);margin:0 auto;padding:1rem}body.site .article-shell,body.site .content-shell,body.site .error-box,body.site .hero,body.site .list-shell,body.site .loading-box,body.site .not-found{background:rgba(255,255,255,.78);border:1px solid rgba(22,33,47,.08);box-shadow:0 18px 50px rgba(22,33,47,.08);border-radius:1.35rem}body.site .hero{overflow:hidden;padding:1rem}body.site .hero,body.site .hero-main{display:grid;grid-gap:1rem;gap:1rem}body.site h1{margin:0;font-size:16px;line-height:1.35;letter-spacing:.02em}body.site h2{margin:0;font-size:1.05rem;line-height:1.45}body.site .article-desc,body.site .cat-desc,body.site .hero-copy{margin:0;color:#4a5a6d}body.site .block-figure,body.site .cover-figure,body.site .hero-figure{overflow:hidden;border-radius:1rem;background:#dfe8f1}body.site .hero-grid{display:grid;grid-gap:.9rem;gap:.9rem}body.site .article-card,body.site .block-card,body.site .hero-card,body.site .hot-card,body.site .tag-card{border-radius:1rem;background:#ffffff;border:1px solid rgba(22,33,47,.08)}body.site .hero-card{padding:.95rem}body.site .article-card h2,body.site .block-card h2,body.site .hero-card h2,body.site .section-title{font-size:1rem}body.site .article-list,body.site .block-list,body.site .crumbs ol,body.site .hot-list,body.site .tag-list,body.site .toc ol{list-style:none;margin:0;padding:0}body.site .article-list,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:.7rem;gap:.7rem}body.site .article-card a,body.site .hot-card a,body.site .tag-card a{display:block;padding:.9rem 1rem}body.site .section-title{margin-bottom:.75rem}body.site .article-shell,body.site .content-shell,body.site .error-box,body.site .list-shell,body.site .loading-box,body.site .not-found{padding:1rem;margin-top:1rem}body.site .crumbs{margin-bottom:.85rem;color:#64758b;font-size:.92rem}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:.25rem;align-items:center}body.site .crumbs li+li:before{content:">";margin-right:.25rem;color:#91a0b2}body.site .crumbs a,body.site .toc a{color:#1f4f7b}body.site .list-grid{display:grid;grid-gap:.9rem;gap:.9rem}body.site .article-grid{display:grid;grid-gap:.95rem;gap:.95rem}body.site .pager{margin-top:1rem}body.site .pager nav{display:flex;justify-content:space-between;gap:.75rem}body.site .pager a,body.site .pager span{padding:.65rem .85rem;border-radius:.85rem;background:#ffffff;border:1px solid rgba(22,33,47,.08)}body.site .friend-links{margin-top:1rem;padding:1rem;border-radius:1.35rem;background:rgba(255,255,255,.72);border:1px solid rgba(22,33,47,.08)}body.site #friend-links ul{list-style:none;margin:.75rem 0 0;padding:0;display:grid;grid-gap:.45rem;gap:.45rem}body.site .in-article-toc{padding:.85rem .95rem;border-radius:1rem;background:#f8fbff;border:1px solid rgba(22,33,47,.08)}body.site .toc ol{display:grid;grid-gap:.4rem;gap:.4rem;margin-top:.5rem}body.site .copy{margin-top:1rem;overflow-wrap:anywhere}body.site .copy h2{margin-top:1.35rem}body.site .copy blockquote,body.site .copy ol,body.site .copy p,body.site .copy table,body.site .copy ul{margin-top:.95rem}body.site .copy img{border-radius:1rem}body.site .error-box,body.site .loading-box,body.site .not-found{text-align:center}@media (min-width:769px){body.site .topbar{grid-template-columns:auto 1fr auto;align-items:start;padding:1rem 1.5rem}body.site .menu{display:none}body.site .nav{padding:0}body.site .nav-list{display:flex;flex-wrap:wrap;justify-content:flex-end;gap:.55rem}body.site .nav-item:hover>.nav-child{display:grid;position:absolute;top:calc(100% + .35rem);left:0;min-width:15rem;z-index:20}body.site .page{width:min(100%,78rem);padding:1.4rem 1.5rem 2rem}body.site .hero{grid-template-columns:1.2fr .8fr;padding:1.2rem}body.site .hero-grid{grid-template-columns:1fr 1fr}body.site .article-shell,body.site .content-shell,body.site .list-shell{padding:1.2rem}body.site .list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-grid{grid-template-columns:1.05fr .95fr}}