:root{--navy:#13294b;--teal:#0f9d9a;--teal-d:#0b7471;--ink:#1d2433;--mute:#5a6475;--line:#e3e7ee;--bg2:#f6f8fb;--warn:#9a5b00;--warnbg:#fff4e0}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:#fff;color:var(--ink);font:16px/1.6 Inter,"Segoe UI",system-ui,-apple-system,Helvetica,Arial,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",sans-serif}
html[data-lang=en] .l-zh,html[data-lang=zh] .l-en{display:none!important}
a{color:var(--teal-d)}a:hover{color:var(--navy)}
:focus-visible{outline:3px solid var(--teal);outline-offset:2px}
.wrap{max-width:1180px;margin:0 auto;padding:0 20px}
.skip{position:absolute;left:-999px}.skip:focus{left:10px;top:10px;background:#fff;padding:8px;z-index:9}
.sr{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0)}
header.site{border-bottom:1px solid var(--line);background:#fff;position:sticky;top:0;z-index:5}
.hdr{display:flex;align-items:center;gap:20px;min-height:64px;flex-wrap:wrap}
.logo{height:34px;width:auto;display:block}
nav ul{list-style:none;margin:0;padding:0;display:flex;gap:4px;flex-wrap:wrap}
nav a{display:block;padding:6px 10px;border-radius:6px;text-decoration:none;color:var(--navy);font-weight:500;font-size:15px}
nav a:hover{background:var(--bg2)}nav a[aria-current=page]{background:#e6f5f4;color:var(--teal-d)}
.langbtn{margin-left:auto;border:1px solid var(--navy);background:#fff;color:var(--navy);border-radius:999px;padding:5px 14px;font:inherit;font-size:14px;cursor:pointer}
.langbtn:hover{background:var(--navy);color:#fff}
main{padding:32px 20px 56px}
h1,h2,h3{color:var(--navy);line-height:1.25}
h1{font-size:2.1rem;margin:.2em 0 .4em;letter-spacing:-.01em}h2{font-size:1.4rem;margin:1.6em 0 .6em}h3{font-size:1.05rem;margin:.3em 0}
.lead{font-size:1.12rem;color:var(--mute);max-width:820px}
.accent{color:var(--teal)}
.hero{padding:28px 0 12px}.hero h1{font-size:clamp(2rem,4.5vw,3.1rem)}
.btn{display:inline-block;background:var(--navy);color:#fff;text-decoration:none;padding:10px 18px;border-radius:8px;font-weight:600;margin:6px 10px 6px 0;border:1px solid var(--navy);font:inherit;cursor:pointer}
.btn:hover{background:var(--teal-d);border-color:var(--teal-d);color:#fff}
.btn.ghost{background:#fff;color:var(--navy)}.btn.ghost:hover{background:var(--bg2);color:var(--navy)}
.btn.small{padding:7px 14px;font-size:14px;margin:0}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:20px;margin-top:20px}
.panel{background:var(--bg2);border:1px solid var(--line);border-radius:12px;padding:6px 22px 14px}
.check{padding-left:1.2em}.check li{margin:.35em 0}
.sechead{display:flex;justify-content:space-between;align-items:baseline;gap:10px;flex-wrap:wrap}
.cards{display:grid;grid-template-columns:repeat(auto-fill,minmax(330px,1fr));gap:16px}
.card{border:1px solid var(--line);border-radius:10px;padding:14px 16px;background:#fff;display:flex;flex-direction:column;min-width:0}
.card[hidden]{display:none}.card.hl{box-shadow:0 0 0 3px var(--teal)}
.card h3{font-size:1rem;overflow-wrap:anywhere}
.meta{display:flex;flex-wrap:wrap;gap:6px;align-items:center;font-size:12px}
.type{text-transform:uppercase;letter-spacing:.06em;font-weight:700;color:var(--teal-d)}
.id{color:var(--mute);font-family:ui-monospace,Menlo,monospace;font-size:12px;margin-left:auto}
.badge{display:inline-block;font-size:12px;padding:1px 8px;border-radius:999px;border:1px solid;white-space:nowrap}
.badge.ok{color:#17663f;border-color:#a9d9bf;background:#eef9f2}
.badge.warn{color:var(--warn);border-color:#f0cf96;background:var(--warnbg)}
.badge.bt-yes{color:#fff;background:var(--navy);border-color:var(--navy)}
.badge.bt-partial{color:var(--navy);border-color:#9fb0cc;background:#eef2f9}
.by{color:var(--mute);font-size:14px;margin:.2em 0;overflow-wrap:anywhere}
.sum{margin:.4em 0;font-size:15px}
.tags{margin:.3em 0;display:flex;flex-wrap:wrap;gap:4px}
.tag{font-size:12px;background:var(--bg2);border:1px solid var(--line);border-radius:4px;padding:0 6px;color:var(--mute)}
.links{margin:auto 0 0;padding-top:6px;display:flex;gap:14px;font-size:14px;font-weight:600}
.filters{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end;background:var(--bg2);border:1px solid var(--line);border-radius:10px;padding:14px;margin:16px 0}
.filters label{display:flex;flex-direction:column;font-size:13px;color:var(--mute);gap:3px}
.filters .q{flex:1 1 280px}
.filters input,.filters select{font:inherit;font-size:15px;padding:8px 10px;border:1px solid #c9d0db;border-radius:7px;background:#fff;color:var(--ink);min-width:0;max-width:100%}
.count{color:var(--mute);font-size:14px}.empty{color:var(--mute);font-style:italic}
.toc ul{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.toc a{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:4px 12px;text-decoration:none;font-size:14px;color:var(--navy)}
.toc .n{color:var(--teal-d);font-weight:700;margin-left:4px}
.group{scroll-margin-top:80px}
.note{background:#eef8f8;border-left:4px solid var(--teal);padding:10px 14px;border-radius:0 8px 8px 0}
.conflist{list-style:none;padding:0;margin:0}
.conf{display:grid;grid-template-columns:130px 1fr;gap:16px;border-top:1px solid var(--line);padding:12px 0}
.conf h3{margin:0}.cdate{font-weight:700;color:var(--navy);font-family:ui-monospace,Menlo,monospace;font-size:14px;padding-top:2px}
.past{opacity:.75}
.prose{max-width:860px}.prose li{margin:.4em 0}
.prose blockquote{margin:0 0 1em;color:var(--mute);border-left:4px solid var(--line);padding-left:12px;font-size:14px}
.ref{font-family:ui-monospace,Menlo,monospace;font-size:.82em;background:#eef8f8;padding:0 4px;border-radius:4px;text-decoration:none}
.tablewrap{overflow-x:auto}table{border-collapse:collapse;width:100%;font-size:15px}th,td{border-bottom:1px solid var(--line);padding:8px;text-align:left;vertical-align:top}th{background:var(--bg2)}
footer.site{border-top:1px solid var(--line);background:var(--bg2);color:var(--mute);font-size:14px;padding:18px 0}
.disc{color:var(--ink)}.small{font-size:13px;color:var(--mute)}
code{background:var(--bg2);padding:1px 5px;border-radius:4px}
@media (max-width:760px){.grid2{grid-template-columns:1fr}.cards{grid-template-columns:1fr}.hdr{gap:8px;padding:8px 0}nav{order:4;width:100%;display:none}header.site.open nav{display:block}nav ul{flex-direction:column;gap:2px;padding:4px 0 8px}nav a{padding:10px 8px;font-size:16px}.menubtn{display:flex}.hdr{flex-wrap:wrap}.conf{grid-template-columns:1fr;gap:2px}h1{font-size:1.7rem}main{padding-top:20px}header.site{position:static}}

.menubtn{display:none;order:3;flex-direction:column;justify-content:center;gap:4px;width:40px;height:36px;margin-left:8px;border:1px solid var(--line);border-radius:8px;background:#fff;cursor:pointer;padding:0 10px}.menubtn span{display:block;height:2px;background:var(--navy);border-radius:2px}
@media (max-width:760px){.menubtn{display:flex}}
.byline{color:var(--mute);font-size:14px;margin:.2em 0 1em;overflow-wrap:anywhere}
.faq{margin-top:2.5em}.faq .qa{border-top:1px solid var(--line);padding:.6em 0}.faq h3{font-size:1.05rem;margin:.4em 0}.faq p{margin:.3em 0;overflow-wrap:anywhere}.faq .refs .ref{margin-right:.4em}
.status{font-size:14px;color:var(--mute);margin:.2em 0 1em}.answer{font-size:1.05rem}
.evlist{padding-left:1.1em}.evlist li{margin:.35em 0;overflow-wrap:anywhere}.evlist .by{color:var(--mute);font-size:14px}
.cited{font-size:13px;color:var(--mute);margin:.3em 0;overflow-wrap:anywhere}.refs .ref,.evlist .ref{white-space:nowrap}
.foot-links a{margin:0 .1em}.questions li,.relq li{margin:.3em 0}

.crumbs{margin:14px 0 4px;font-size:14px}.crumbs ol{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:4px}
.crumbs li+li::before{content:"›";margin-right:6px;color:var(--mute)}.crumbs li[aria-current=page]{color:var(--mute);overflow-wrap:anywhere}.crumbs a{text-decoration:none}
.prevnext{display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;margin:28px 0 8px;padding-top:14px;border-top:1px solid var(--line);font-size:15px}.prevnext .hublink{color:var(--mute)}
.facts{display:grid;grid-template-columns:max-content 1fr;gap:6px 18px;margin:16px 0}.facts dt{color:var(--mute);font-size:14px}.facts dd{margin:0;overflow-wrap:anywhere}
.facetlist{list-style:none;padding:0;display:flex;flex-wrap:wrap;gap:8px}.facetlist li{border:1px solid var(--line);border-radius:999px;padding:3px 12px;background:var(--bg2)}.facetlist .n{color:var(--mute);font-size:12px}
a.tag{text-decoration:none;margin-right:6px}a.tag:hover{border-color:var(--teal)}.card h3 a{text-decoration:none;color:var(--navy)}.card h3 a:hover{text-decoration:underline}