:root{--ink:#15181b;--muted:#5d6874;--line:#dfe3e6;--accent:#b2401c;--bg:#fbfaf7;--card:#fff;--code:#f2f1ec}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{margin:0;background:var(--bg);color:var(--ink);font:16px/1.78 -apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif}
a{color:#0a5fb4;text-decoration:none;border-bottom:1px solid rgba(10,95,180,.25)}
a:hover{border-bottom-color:#0a5fb4}
.wrap{max-width:880px;margin:0 auto;padding:0 20px}
header.top{background:#fff;border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9}
header.top .wrap{display:flex;align-items:center;gap:18px;height:54px}
.logo{font-weight:700;font-size:15px;letter-spacing:.3px;border:0}
.logo span{color:var(--accent)}
header.top nav{margin-left:auto;font-size:14px;display:flex;gap:16px}
header.top nav a{border:0;color:var(--muted)}
header.top nav a:hover{color:var(--ink)}
h1{font-size:31px;line-height:1.35;letter-spacing:-.4px;margin:34px 0 10px;font-weight:800}
h2{font-size:21px;margin:38px 0 12px;padding-bottom:8px;border-bottom:1px solid var(--line);font-weight:700}
h3{font-size:16.5px;margin:24px 0 8px;font-weight:700}
p{margin:10px 0}
.lead{font-size:17px;color:var(--muted);margin:0 0 6px}
.meta{font-size:13px;color:var(--muted);margin:14px 0 0}
.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px 20px;margin:18px 0}
.tool{background:#fff;border:1px solid var(--line);border-radius:12px;padding:20px;margin:22px 0}
.grid{display:grid;grid-template-columns:1fr 1fr;gap:12px 16px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px 16px}
.field{display:block;font-size:13.5px;color:var(--muted)}
.field input,.field select{width:100%;margin-top:5px;padding:8px 10px;font:15px/1.4 -apple-system,"PingFang SC",sans-serif;border:1px solid #ccd2d7;border-radius:7px;background:#fdfdfb;color:var(--ink)}
.field input:focus,.field select:focus{outline:2px solid rgba(178,64,28,.25);border-color:var(--accent)}
.out{margin-top:18px;border-top:1px dashed var(--line);padding-top:16px}
.kpi{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.kpi div{background:#f7f6f2;border:1px solid var(--line);border-radius:8px;padding:10px 12px}
.kpi b{display:block;font:700 20px/1.2 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent);letter-spacing:-.5px}
.kpi small{display:block;color:var(--muted);font-size:12px;margin-top:3px}
table{width:100%;border-collapse:collapse;margin:14px 0;font-size:14.5px}
th,td{text-align:left;padding:9px 10px;border-bottom:1px solid var(--line);vertical-align:top}
th{font-size:13px;color:var(--muted);font-weight:600;background:#f7f6f2}
td code,code{background:var(--code);padding:1px 5px;border-radius:4px;font:13.5px/1.5 ui-monospace,Consolas,monospace}
pre{background:#1e2328;color:#e8eaed;border-radius:9px;padding:14px 16px;overflow:auto;font:13.5px/1.6 ui-monospace,Consolas,monospace}
pre code{background:none;padding:0;color:inherit}
.note{background:#fdf6e8;border-left:3px solid #d99b26;padding:12px 16px;margin:18px 0;font-size:14.5px;border-radius:0 8px 8px 0}
.cta{background:#14202b;color:#eaf0f4;border-radius:12px;padding:24px;margin:28px 0}
.cta h3{color:#fff;margin:0 0 8px}
.cta p{color:#a8b6c2;font-size:14.5px;margin:6px 0 14px}
.cta a{display:inline-block;background:#d9603a;color:#fff;padding:10px 18px;border-radius:8px;border:0;font-weight:600}
.cta a:hover{background:#c14f2c}
ul,ol{padding-left:22px}
li{margin:6px 0}
footer{border-top:1px solid var(--line);margin-top:52px;padding:24px 0 40px;color:var(--muted);font-size:13px;background:#fff}
footer .wrap{display:flex;flex-wrap:nowrap;gap:20px;justify-content:space-between}
.tag{display:inline-block;font-size:12px;color:var(--muted);border:1px solid var(--line);border-radius:20px;padding:1px 9px;margin-right:6px}
@media(max-width:700px){.grid,.grid3,.kpi{grid-template-columns:1fr 1fr}h1{font-size:25px}.wrap{padding:0 16px}footer .wrap{flex-direction:column;gap:8px}}

td.big{font:700 15.5px/1.35 ui-monospace,SFMono-Regular,Consolas,monospace;color:var(--accent);white-space:nowrap}
@media(max-width:640px){.grid,.grid3,.kpi{grid-template-columns:1fr 1fr}}
.beian{margin-top:6px;font-size:12px;color:#8d8172}
.beian a{color:#8d8172;border:0}

.affhint{font-size:12.4px;color:#7a6e5e;margin:2px 0 12px;line-height:1.65}