:root{--bg:#f6f7f9;--card:#ffffff;--ink:#1a2332;--sub:#5b6675;--line:#e4e8ee;--brand:#1f6feb;--brand-ink:#0f4fbf;--soft:#eef4ff;--soft-line:#cfe0ff;--radius:10px;--maxw:880px}*{box-sizing:border-box}html{-webkit-text-size-adjust:100%}body{margin:0;font-family:-apple-system,BlinkMacSystemFont,Segoe UI,PingFang SC,Hiragino Sans GB,Microsoft YaHei,sans-serif;background:var(--bg);color:var(--ink);line-height:1.7;font-size:16px}a{color:var(--brand);text-decoration:none}a:hover{text-decoration:underline}img{max-width:100%}.wrap{max-width:var(--maxw);margin:0 auto;padding:0 16px}.site-hd{background:var(--card);border-bottom:1px solid var(--line);position:sticky;top:0;z-index:9}.site-hd .inner{max-width:var(--maxw);margin:0 auto;padding:10px 16px;display:flex;align-items:center;gap:16px;flex-wrap:wrap}.logo{font-weight:700;font-size:18px;color:var(--ink);white-space:nowrap}.logo em{font-style:normal;color:var(--brand)}.site-hd nav{display:flex;gap:12px;font-size:14px;flex-wrap:wrap}.site-hd 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p{margin:0;font-size:13px;color:var(--sub);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}.faq details{border:1px solid var(--line);border-radius:8px;padding:10px 14px;margin:8px 0;background:var(--card)}.faq summary{cursor:pointer;font-weight:600;font-size:15px}.faq p{margin:8px 0 0;color:var(--sub);font-size:14px}.crumbs{font-size:13px;color:var(--sub);margin:14px 0 0}.crumbs a{color:var(--sub)}.note{font-size:13px;color:var(--sub)}.btn{display:inline-block;background:var(--brand);color:#fff;padding:9px 18px;border-radius:8px;font-size:14px;border:0;cursor:pointer;font-family:inherit}.btn:hover{background:var(--brand-ink);text-decoration:none}.site-ft{border-top:1px solid var(--line);margin-top:40px;padding:20px 0 36px;font-size:13px;color:var(--sub);text-align:center}.site-ft p{margin:6px 0}@media(max-width:560px){.conv{grid-template-columns:1fr}.conv .eq{display:none}.rate{grid-template-columns:1fr}.rate .eq{display:none}.result 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var(--line)}.badge.on{background:#e8f5ee;color:#1c7c4a;border-color:#bfe3d0}