:root{--font:'Hiragino Mincho ProN','游明朝','Yu Mincho','MS PMincho',serif;--accent:#3b82f6;--line:#e5e7eb}
*{box-sizing:border-box}
html,body{margin:0;padding:0;background:#fafafa;color:#111;font-family:var(--font)}
.wrap{max-width:980px;margin:0 auto;padding:12px 16px}
.header-row{display:flex;justify-content:space-between;align-items:flex-end;gap:12px}
.topnav a{margin-left:10px;font-size:13px;text-decoration:none;color:#274}
h1{font-size:20px;margin:8px 0 10px}
.card{background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px 14px;margin:12px 0}
.card>h2{font-size:16px;margin:0 0 8px}
.reset-ghost{font-size:12px;border:1px dashed #b6c3da;background:#f7faff;color:#244;border-radius:999px;padding:6px 10px;cursor:pointer}
.reset-ghost.small{font-size:11px;padding:6px 10px;margin-left:8px}
.label-row{display:flex;align-items:center;justify-content:space-between;gap:8px;margin-bottom:6px}
.title{font-size:14px}
.meta .req{display:inline-block;font-size:12px;color:#b00;border:1px solid #f3b;padding:1px 6px;border-radius:999px}
.field{margin:10px 0 12px}
input,select,textarea{width:100%;padding:10px 12px;border:1px solid #cfcfcf;border-radius:10px;font-family:inherit;background:#fff}
.grid1{display:grid;grid-template-columns:1fr;gap:12px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}
.grid3{display:grid;grid-template-columns:1fr 1fr 1fr;gap:12px}
.actions{margin:12px 0;display:flex;align-items:center;gap:6px;flex-wrap:wrap}
.primary{background:var(--accent);color:#fff;border:0;border-radius:10px;padding:10px 14px;cursor:pointer}
.result{display:none;background:#fff;border:1px solid var(--line);border-radius:12px;padding:12px}
.result.show{display:block}
.result .big{font-size:26px;font-weight:700;margin-bottom:8px}
.result .more{border:1px solid var(--line);background:#f7f7f7;border-radius:8px;padding:8px 12px;cursor:pointer}
.result .details{margin-top:10px;padding:10px;background:#fff;border:1px dashed #ccc;border-radius:10px;line-height:1.8}
.result .disclaimer{margin-top:8px;font-size:12px;color:#666}
.error-msg{color:#c40000;margin-top:8px}
.error-input{border-color:#c40000!important;box-shadow:0 0 0 2px rgba(0,0,0,.08)}
.hint{font-size:12px;color:#444;margin-top:-4px;margin-bottom:8px}
.info{border:1px solid #cde;background:#eef5ff;color:#123;border-radius:50%;width:24px;height:24px;line-height:22px;text-align:center;font-weight:700;cursor:pointer}
.popover{position:absolute;right:0;top:calc(100% + 6px);z-index:10;width:min(440px,92vw);background:#fff;border:1px solid #dbe2f7;border-radius:10px;padding:10px 12px;box-shadow:0 8px 22px rgba(0,0,0,.08)}
.placeholder{height:44px}
.footer{font-size:12px;color:#455;margin:10px 0 40px;display:flex;flex-direction:column;gap:6px}
/* 防止CLS：预留广告位高度 */
.adbox { margin-top:12px; min-height:250px; }
/* 引导 Auto Ads 跳过这些区域（辅助手段，仍以后台 Exclusions 为准） */
.adsense-auto-ads-ignore { google-auto-ads: ignore; }
@media (max-width:760px){.grid3{grid-template-columns:1fr 1fr}}
@media (max-width:540px){.grid2,.grid3{grid-template-columns:1fr}}