:root{--ink:#102d29;--muted:#506760;--brand:#007c72;--pale:#e8f5f0;--line:#d5e3dc;--paper:#fff;--ground:#f5f8f5}*{box-sizing:border-box}html{scroll-behavior:smooth;scroll-padding-top:90px}body{margin:0;background:var(--ground);color:var(--ink);font-family:Inter,Arial,"PingFang SC","Microsoft YaHei",sans-serif;font-size:16px;line-height:1.65}a{color:var(--brand);text-decoration-thickness:1px;text-underline-offset:3px}a:hover{color:#004b44}a:focus-visible,button:focus-visible,select:focus-visible,input:focus-visible,summary:focus-visible{outline:3px solid #b57a17;outline-offset:4px}img{display:block;max-width:100%;height:auto}h1,h2,h3,p{margin-top:0}h1,h2,h3{line-height:1.2;letter-spacing:-.025em;overflow-wrap:anywhere}h1{font-size:clamp(30px,4.4vw,54px);max-width:900px;margin-bottom:18px}h2{font-size:28px;margin-bottom:16px}h3{font-size:20px}p{margin-bottom:18px}button,input,select{font:inherit}.skip{position:absolute;left:15px;top:-100px;z-index:20;padding:10px;background:white}.skip:focus{top:10px}.site-header{position:sticky;top:0;z-index:10;background:#ffffffed;border-bottom:1px solid var(--line);backdrop-filter:blur(12px)}.header-inner{max-width:1220px;margin:auto;padding:14px 24px;display:flex;align-items:center;gap:20px}.brand{flex:none}.brand img{width:190px;max-height:44px;object-fit:contain}.menu{margin-left:auto}.menu summary{display:none}.menu nav{display:flex;gap:15px;align-items:center}.menu:not([open]) nav{display:flex}.menu 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13px;background:white;border:1px solid var(--line);border-radius:8px;font-size:14px;text-decoration:none}.page-hero{padding:15px 0 22px;border-bottom:1px solid var(--line);margin-bottom:25px}.page-hero h1{font-size:clamp(30px,4vw,44px)}.article-page{max-width:920px;margin:0 auto;padding:30px 30px 55px}.article-meta{font-size:13px;color:var(--muted);margin-bottom:20px}.contents{padding:16px 20px;border:1px solid var(--line);border-radius:12px;background:var(--paper);margin-bottom:30px}.contents summary{font-weight:750;cursor:pointer}.contents ol{margin:15px 0 0;padding-left:22px;columns:2;column-gap:35px}.contents li{break-inside:avoid;margin:6px 0;font-size:14px}.prose{font-size:17px;line-height:1.85;overflow-wrap:anywhere}.prose section{margin:34px 0}.prose h2{font-size:27px;margin:32px 0 16px;scroll-margin-top:90px}.prose h3{font-size:21px;margin:26px 0 12px}.prose p{margin-bottom:20px}.prose li{margin:8px 0}.prose .answer{background:var(--pale);border-left:4px solid var(--brand);padding:20px 24px;border-radius:0 12px 12px 0}.prose .answer h2{margin-top:0}.prose table{border-collapse:collapse;width:100%;font-size:14px;line-height:1.55;background:white;table-layout:fixed}.prose th,.prose td{border:1px solid var(--line);padding:12px;text-align:left;overflow-wrap:anywhere}.prose th{background:var(--pale)}.table-scroll{max-width:100%;margin:24px 0}.prose .related,.prose .sources{border-top:1px solid var(--line);padding-top:16px;font-size:15px}.prose .sources h2,.prose .related h2{font-size:23px}footer{border-top:1px solid var(--line);background:#e8f0eb}.footer-inner{max-width:1180px;padding:30px 24px;margin:auto;display:flex;justify-content:space-between;gap:45px;font-size:13px}.footer-inner>div:first-child{max-width:550px}.footer-inner strong{font-size:20px}.footer-inner p{margin:8px 0;color:var(--muted)}.footer-links{display:flex;gap:15px;flex-wrap:wrap;align-content:flex-start}body:has(.article-page) .site-header{position:relative}
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@media(max-width:360px){.brand img{width:130px}.header-inner{gap:7px}.language select{max-width:100px}.home-hero h1{font-size:28px}.cards{grid-template-columns:1fr}.card p{font-size:13px}.prose th,.prose td{padding:5px;font-size:11px}.section-heading{display:block}.section-heading>a{display:inline-block;margin-bottom:12px}}
@media(prefers-reduced-motion:reduce){html{scroll-behavior:auto}*{transition:none!important}}
.breadcrumbs{font-size:13px;margin-bottom:14px;color:var(--muted)}.language-links{max-width:1180px;margin:auto;display:flex;flex-wrap:wrap;gap:10px 18px;padding:0 24px 24px;font-size:12px}.language-links [aria-current=page]{font-weight:800;text-decoration:none}