*{box-sizing:border-box}body{margin:0;font:15px/1.6 -apple-system,BlinkMacSystemFont,"PingFang SC","Noto Sans CJK SC","Microsoft YaHei",sans-serif;color:#1f2933;background:#f5f7fa}
a{color:#0b5cad;text-decoration:none}a:hover{text-decoration:underline}
.wrap{max-width:1180px;margin:0 auto;padding:0 16px}
.top{background:#0f2a44;color:#fff;padding:22px 0 14px}.top a{color:#cfe3ff}
.brand{display:flex;align-items:center;gap:10px}.brand h1{margin:0;font-size:26px}.brand h1 a{color:#fff}
.tag{font-size:12px;border:1px solid #8fb3d9;border-radius:4px;padding:1px 6px;color:#cfe3ff}
.pos{margin:6px 0;color:#d8e4f0}.pledge{display:inline-block;margin:4px 0 12px;font-size:13px;background:#1d4a73;padding:3px 10px;border-radius:12px}
#q{width:100%;max-width:520px;padding:10px 12px;border-radius:8px;border:0;font-size:15px;display:block;margin-bottom:12px}
.segnav{display:flex;flex-wrap:wrap;gap:8px}.segnav a{background:#1d4a73;padding:5px 12px;border-radius:16px;font-size:14px;white-space:nowrap}
.segnav a.mem{background:#c98a1a;color:#fff}
.seg{margin:28px 0}.seg h2{font-size:20px;margin:0 0 12px;display:flex;align-items:baseline;flex-wrap:wrap;gap:8px}
.seg h2 small{font-size:13px;color:#6b7c8f;font-weight:normal}
.num{display:inline-flex;width:26px;height:26px;border-radius:50%;background:#0f2a44;color:#fff;font-size:14px;align-items:center;justify-content:center}
.grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(260px,1fr));gap:12px}
.card{background:#fff;border:1px solid #e1e7ee;border-radius:10px;padding:12px 14px}
.card h3{margin:0;font-size:16px}.dom{margin:2px 0 6px;color:#8a99a8;font-size:12px}.why{margin:0 0 8px;font-size:14px}
.meta{margin:0;display:flex;gap:6px;flex-wrap:wrap}.v{font-size:12px;color:#3c7a3c;background:#eef7ee;border-radius:4px;padding:1px 6px}
.v.note{color:#7a6a3c;background:#f7f3e6}.v.warn{color:#a14b1f;background:#fbeee6}
.foot{background:#e9eef3;margin-top:40px;padding:24px 0;font-size:14px;color:#3e4c59}.foot h4{margin:12px 0 4px}.foot ul{margin:0;padding-left:20px}.copy{color:#7b8794;font-size:12px;margin-top:16px}
.notice{background:#fff7e6;border:1px solid #f0d9a8;padding:10px 14px;border-radius:8px;margin:20px 0}
.member{position:relative}.soon{position:absolute;top:10px;right:10px;font-size:11px;background:#c98a1a;color:#fff;border-radius:4px;padding:1px 6px}
.member h3{margin-right:64px}.rules{margin:24px 0}
[hidden]{display:none!important}
@media(max-width:600px){.brand h1{font-size:22px}.grid{grid-template-columns:1fr}.segnav{flex-wrap:nowrap;overflow-x:auto;padding-bottom:4px}}
.tools h3.sub{font-size:15px;color:#3e4c59;margin:14px 0 8px;font-weight:600}
.calcs{display:grid;grid-template-columns:repeat(auto-fill,minmax(270px,1fr));gap:12px}
.calc{background:#fff;border:1px solid #e1e7ee;border-radius:10px;padding:12px 14px}.calc h3{margin:0 0 8px;font-size:16px}
.calc .row{display:flex;gap:8px;margin-bottom:8px;align-items:flex-end}.calc label{flex:1;font-size:12px;color:#6b7c8f;display:flex;flex-direction:column;gap:2px;min-width:0}
.calc input{width:100%;padding:6px 8px;border:1px solid #cfd8e3;border-radius:6px;font-size:14px}.calc input.bad{border-color:#d9534f;background:#fdf1f0}
.calc .pair span{color:#8a99a8;padding-bottom:7px}
.calc button{flex:1;padding:7px 8px;border:1px solid #0b5cad;background:#fff;color:#0b5cad;border-radius:6px;font-size:13px;cursor:pointer}
.res{margin:4px 0 8px;font-size:14px;min-height:22px;background:#f5f7fa;border-radius:6px;padding:6px 8px}.res b{color:#0f2a44}
.res .hint{color:#8a99a8}.res .err{color:#d9534f}.fx{margin:0;font-size:12px;color:#6b7c8f}