:root{font-family:system-ui,-apple-system,"Microsoft YaHei",sans-serif;color:#182234;background:#f4f6fb}*{box-sizing:border-box}main{max-width:850px;margin:5vh auto;padding:24px}header{display:flex;align-items:center;gap:16px;color:#62718b;font-weight:700;letter-spacing:.12em}.brand{background:#254dba;color:#fff;border-radius:12px;padding:12px;letter-spacing:0}h1{font-size:clamp(30px,5vw,48px);margin:52px 0 12px}p{line-height:1.7;color:#53627b}section{background:white;border:1px solid #e2e8f4;border-radius:20px;padding:24px;margin:26px 0;box-shadow:0 6px 24px #233e6b0a}.picker{display:inline-block;background:#e9efff;color:#2148ae;padding:13px 20px;border-radius:10px;cursor:pointer;font-weight:700}.picker input{display:block;margin-top:10px;max-width:100%}button{border:0;background:#214fca;color:white;padding:13px 25px;border-radius:10px;font-weight:700;cursor:pointer}button:disabled{background:#aeb9cf;cursor:not-allowed}article{border-top:1px solid #e1e6f0;padding:18px 0}pre{white-space:pre-wrap;overflow-wrap:anywhere;background:#f4f7fc;padding:14px;border-radius:10px;max-height:300px;overflow:auto}a{color:#2155c9}footer{font-size:13px;color:#7b879c;margin-top:40px}

.exports{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}.exports button{font-size:14px;padding:10px 12px;min-width:0}.exports button:disabled{opacity:.5}#results:empty{display:none}input[type=file]{max-width:100%}