:root{--fg:#1a1a1a;--muted:#666;--line:#e5e5e5;--accent:#0b5cad;--bg:#fff}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:17px/1.7 -apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans CJK SC",Georgia,sans-serif}
.wrap{max-width:720px;margin:0 auto;padding:0 20px}
a{color:var(--accent);text-decoration:none}a:hover{text-decoration:underline}
header.site{border-bottom:1px solid var(--line)}
header.site .wrap{display:flex;flex-wrap:wrap;align-items:baseline;justify-content:space-between;gap:8px 20px;padding-top:16px;padding-bottom:12px}
.brand{font-weight:700;font-size:20px;color:var(--fg)}
nav{display:flex;flex-wrap:wrap;gap:4px 16px;font-size:15px}
nav .lang{border:1px solid var(--line);padding:0 8px;border-radius:4px}
h1{font-size:26px;line-height:1.3;margin:28px 0 12px}h1 a{color:var(--fg)}
h2{font-size:20px;margin:32px 0 8px}h2.title{font-size:19px;line-height:1.4;margin:4px 0 8px}
p,li{text-wrap:pretty}
h1,h2{text-wrap:balance}
.tagline,.muted,.meta,.src{color:var(--muted)}.tagline{margin:20px 0 0;font-size:15px}
.meta,.src{font-size:14px;margin:0}
.item{border-top:1px solid var(--line);padding:18px 0}
.item p{margin:6px 0}.take{background:#f6f8fa;padding:8px 12px;border-radius:2px}
.notice{background:#fff7e0;border:1px solid #f0d58a;padding:8px 12px;font-size:15px}
.list{padding-left:20px}
footer{border-top:1px solid var(--line);margin-top:40px;color:var(--muted);font-size:13px}
@media (max-width:520px){body{font-size:16px}h1{font-size:25px}h2.title{font-size:20px}}
.foot-link{color:var(--muted);text-decoration:underline;text-underline-offset:2px}
.priv{max-width:68ch;margin-top:10px;padding:8px 12px;border:1px dashed #b9c3cf;font-size:14px;word-break:break-all}.priv p{margin:4px 0}.priv ul{margin:0;padding-left:18px}.priv-h{font-weight:600;color:var(--muted)}
.deep{border-top:2px solid var(--fg);margin-top:8px;padding:18px 0}
.deep p{margin:6px 0}.kp-h{margin-top:12px}
.kp{padding-left:22px;margin:4px 0 10px}.kp li{margin:6px 0}
.src-list{padding-left:20px;margin:2px 0;font-size:14px}.src-list li{margin:2px 0}
.priv-md{word-break:normal;overflow-wrap:anywhere}.priv-md h3{font-size:16px;margin:12px 0 4px}.priv-md a{overflow-wrap:anywhere}
.priv-full{margin-top:10px;font-size:14px}.priv-full summary{cursor:pointer;color:var(--muted)}