*{box-sizing:border-box}
body{font-family:system-ui,-apple-system,Segoe UI,Roboto,Ubuntu,Arial,sans-serif;margin:0;background:#fafafa;color:#222}
header{background:#fff;border-bottom:1px solid #eaeaea;padding:20px 16px}
h1{margin:0;font-size:24px} .sub{margin:6px 0 0;color:#666}
main{max-width:980px;margin:0 auto;padding:16px}
.controls{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.controls input[type=text]{flex:1;min-width:260px;padding:10px;border:1px solid #ccc;border-radius:6px}
.controls button{padding:10px 14px;border:1px solid #444;background:#fff;border-radius:6px;cursor:pointer}
.controls button:hover{background:#f1f1f1}
.chk{display:flex;align-items:center;gap:6px}
.row{display:flex;gap:24px;flex-wrap:wrap;margin:10px 0}
.col{min-width:240px}
#status{margin:8px 0;color:#555}
.result{background:#fff;border:1px solid #e4e4e4;border-radius:8px;padding:12px;margin:10px 0}
.result .meta{font-size:13px;color:#666;margin-bottom:6px}
.result a{color:#0a58ca;text-decoration:none}
.result a:hover{text-decoration:underline}
.hl{background:yellow}
select{min-width:220px;min-height:110px}
footer{padding:24px 16px;color:#777;font-size:12px}