:root{--bg:#0e1116;--fg:#e6e9ee;--dim:#98a2b3;--acc:#7ee2f0;--ok:#7ddc95;--line:#242c3a;--card:#131822}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--fg);font:16px/1.7 system-ui,-apple-system,"Segoe UI","Noto Sans SC","Microsoft YaHei",sans-serif}
a{color:var(--acc);text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:880px;margin:0 auto;padding:28px 20px 72px}
header.top{display:flex;justify-content:space-between;align-items:baseline;gap:16px;border-bottom:1px solid var(--line);padding-bottom:14px;margin-bottom:26px}
.brand{font-weight:700;font-size:18px;letter-spacing:.2px}
.brand small{color:var(--dim);font-weight:400;margin-left:8px;letter-spacing:0}
nav a{margin-left:14px;font-size:14px}
h1{font-size:26px;line-height:1.35;margin:0 0 8px}
h2{font-size:19px;margin:34px 0 10px;padding-top:14px;border-top:1px solid var(--line)}
h3{font-size:16px;margin:20px 0 6px}
p,li{color:var(--fg)}
.sub{color:var(--dim)}
.lede{font-size:17px}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px;margin:14px 0}
code,pre{font-family:ui-monospace,SFMono-Regular,Consolas,"Liberation Mono",monospace;font-size:14px}
code{background:#0a0e14;border:1px solid var(--line);border-radius:5px;padding:1px 5px}
pre{background:#0a0e14;border:1px solid var(--line);border-radius:8px;padding:12px;overflow:auto}
table{width:100%;border-collapse:collapse;margin:12px 0;font-size:15px}
th,td{border:1px solid var(--line);padding:8px 10px;text-align:left;vertical-align:top}
th{background:#101722;color:var(--dim);font-weight:600}
ul{padding-left:22px}
.facts li{margin:4px 0}
.src{color:var(--dim);font-size:13px}
footer{margin-top:44px;padding-top:16px;border-top:1px solid var(--line);color:var(--dim);font-size:14px}
.badge{display:inline-block;border:1px solid var(--line);border-radius:999px;padding:2px 10px;font-size:13px;color:var(--dim);margin:2px 6px 2px 0}
.not{color:#f0b7b7}
@media (max-width:560px){h1{font-size:22px}.wrap{padding:20px 14px 56px}}