body.site{margin:0;color:#172433;background:radial-gradient(circle at top,rgba(55,116,175,.12),transparent 34%),linear-gradient(180deg,#f6f8fb,#eef3f8 48%,#e9eff6);font-family:var(--font-serif),Georgia,"Times New Roman",serif;line-height:1.7}body.site a{color:inherit;text-decoration:none}body.site a:hover{text-decoration:underline}body.site img{display:block;max-width:100%;height:auto}body.site .page-shell{width:100%;overflow-x:hidden}body.site .topbar{position:-webkit-sticky;position:sticky;top:0;z-index:40;background:rgba(244,248,252,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);border-bottom:1px solid rgba(31,46,64,.12)}body.site .topbar-inner{display:flex;align-items:center;gap:.75rem;padding:.9rem 1rem}body.site .brand{flex:1 1 auto;min-width:0}body.site .brand a,body.site .brand h1{margin:0;font-size:1rem;font-weight:700;letter-spacing:.04em;color:#102235}body.site .brand h1{font-size:16px}body.site .menu{border:1px solid rgba(27,43,61,.16);background:#ffffff;color:#152638;border-radius:999px;padding:.55rem .9rem;font:inherit;line-height:1;box-shadow:0 10px 30px rgba(30,47,68,.08)}body.site .nav-wrap{border-top:1px solid rgba(31,46,64,.08);background:#ffffff;display:none}body.site.nav-open .nav-wrap{display:block}body.site .nav-list{list-style:none;margin:0;padding:.35rem .65rem .75rem}body.site .nav-list>li{position:relative;margin:.2rem 0}body.site .nav-list>li>a,body.site .nav-list>li>span{display:block;padding:.72rem .75rem;border-radius:.9rem;background:#f4f7fb;border:1px solid rgba(31,46,64,.08);color:#13263a}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:.45rem 0 0;padding:.45rem;background:#ffffff;border:1px solid rgba(27,43,61,.14);border-radius:1rem;box-shadow:0 18px 42px rgba(25,39,56,.12)}body.site .subnav li+li{margin-top:.35rem}body.site .subnav a{display:block;padding:.65rem .7rem;border-radius:.75rem;background:#f7f9fc}body.site .content{padding:1rem}body.site .hero{display:grid;grid-gap:1rem;gap:1rem;margin-bottom:1rem}body.site .article-shell,body.site .block,body.site .card,body.site .hero-copy,body.site .list-shell,body.site .panel{background:rgba(255,255,255,.8);border:1px solid rgba(31,46,64,.1);box-shadow:0 18px 44px rgba(27,42,60,.08);border-radius:1.2rem;padding:1rem}body.site .hero-copy h1,body.site .page-title{margin:0;font-size:16px;line-height:1.35}body.site .hero-copy p,body.site .panel p{margin:.6rem 0 0;color:#41566d}body.site .hero-grid{display:grid;grid-template-columns:1fr;grid-gap:.9rem;gap:.9rem}body.site .visual{overflow:hidden;border-radius:1.2rem;border:1px solid rgba(31,46,64,.1);background:#dfe8f2}body.site .visual .img{width:100%;height:auto}body.site .home-grid,body.site .list-grid{display:grid;grid-gap:1rem;gap:1rem}body.site .article-shell h2,body.site .home-grid .block h2,body.site .list-grid h2{margin:0;font-size:1rem}body.site .article-desc,body.site .block-copy,body.site .cat-desc,body.site .copy,body.site .list-shell p,body.site .panel .meta{color:#42576f}body.site .block-copy{margin-top:.7rem}body.site .crumbs ol,body.site .friend-list,body.site .hot-list,body.site .tag-list,body.site .toc ol{list-style:none;margin:0;padding:0}body.site .friend-list,body.site .hot-list,body.site .tag-list{display:grid;grid-gap:.6rem;gap:.6rem}body.site .friend-list a,body.site .hot-list a,body.site .tag-list a{display:inline-flex;padding:.6rem .75rem;border-radius:.9rem;background:#eef4fa;border:1px solid rgba(31,46,64,.08)}body.site .crumbs{margin-bottom:.95rem;font-size:.92rem}body.site .crumbs ol{display:flex;flex-wrap:wrap;gap:.4rem;align-items:center}body.site .crumbs li+li:before{content:">";margin-right:.4rem;color:#7a8ca1}body.site .article-desc,body.site .cat-desc{margin:.55rem 0 0;font-size:1rem;font-weight:400}body.site .article-layout{display:grid;grid-gap:1rem;gap:1rem}body.site .toc{padding:.85rem .9rem;border-radius:1rem;background:#f7fafc;border:1px solid rgba(31,46,64,.08)}body.site .toc li+li{margin-top:.4rem}body.site .copy{overflow:hidden}body.site .copy h2{margin:1.3rem 0 .6rem;font-size:1.02rem}body.site .copy p{margin:.7rem 0}body.site .copy ol,body.site .copy ul{padding-left:1.2rem}body.site .pager{margin-top:1rem;display:flex;justify-content:center;gap:.5rem}body.site .pager a,body.site .pager span{padding:.6rem .8rem;border-radius:.8rem;border:1px solid rgba(31,46,64,.12);background:#fff}body.site #friend-links{margin-top:1rem;padding:1rem}body.site .footer-note{margin-top:1rem;padding:0 1rem 1.5rem;color:#5b6d80;font-size:.92rem}@media (min-width:769px){body.site .content,body.site .topbar-inner{width:min(1180px,calc(100% - 2rem));margin:0 auto}body.site .topbar-inner{padding-left:0;padding-right:0}body.site .menu{display:none}body.site .nav-wrap{display:block!important;border-top:0;background:transparent}body.site .nav-list{display:flex;gap:.6rem;padding:0 0 .85rem;flex-wrap:wrap}body.site .nav-list>li{margin:0}body.site .nav-list>li>a,body.site .nav-list>li>span{background:#ffffff}body.site .subnav{position:absolute;left:0;top:calc(100% + .35rem);min-width:12rem;z-index:20}body.site .hero{grid-template-columns:1.1fr .9fr;align-items:stretch}body.site .home-grid{grid-template-columns:1.2fr .8fr .9fr;align-items:start}body.site .list-grid{grid-template-columns:repeat(2,minmax(0,1fr))}body.site .article-layout{grid-template-columns:minmax(0,1fr) 18rem;align-items:start}}