:root{--bg: #eef3f8;--card: #ffffff;--ink: #0f172a;--muted: #64748b;--accent: #0f766e;--accent-soft: #ccfbf1;--danger: #b91c1c;--border: #dbe3ee;font-family:Segoe UI,PingFang SC,Microsoft YaHei,sans-serif;color:var(--ink);background:radial-gradient(1200px 600px at 10% -10%,#d9f3ef 0%,transparent 55%),radial-gradient(900px 500px at 100% 0%,#dbeafe 0%,transparent 50%),var(--bg)}*{box-sizing:border-box}body{margin:0;min-height:100vh}button,input,select{font:inherit}button{cursor:pointer}.wrap{max-width:720px;margin:0 auto;padding:32px 16px 48px}.brand{font-size:28px;font-weight:750;letter-spacing:.02em;margin:0 0 6px}.sub{margin:0 0 20px;color:var(--muted);line-height:1.5}.card{background:var(--card);border:1px solid var(--border);border-radius:16px;padding:20px;box-shadow:0 10px 30px #0f172a0f}.field{margin-bottom:14px}.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}.field input,.field select{width:100%;border:1px solid var(--border);border-radius:10px;padding:10px 12px;background:#fff}.row{display:flex;gap:10px;flex-wrap:wrap;align-items:center}.btn{border:0;border-radius:999px;padding:10px 18px;background:var(--accent);color:#fff;font-weight:600}.btn:disabled{opacity:.55;cursor:not-allowed}.btn.ghost{background:#fff;color:var(--accent);border:1px solid #99f6e4}.warn{background:#fff7ed;border:1px solid #fed7aa;color:#9a3412;border-radius:12px;padding:12px 14px;font-size:13px;line-height:1.55;margin-bottom:16px}.ok{background:var(--accent-soft);border:1px solid #99f6e4;color:#115e59;border-radius:12px;padding:10px 12px;font-size:13px;margin-bottom:12px}.err{color:var(--danger);font-size:13px;margin-top:8px}.log{margin-top:14px;background:#0f172a;color:#e2e8f0;border-radius:12px;padding:12px;max-height:280px;overflow:auto;font-size:12px;line-height:1.5;white-space:pre-wrap;word-break:break-all}.meta{font-size:12px;color:var(--muted);margin-top:10px}.file-name{font-size:13px;color:var(--ink)}.check{display:flex;gap:8px;align-items:center;margin:0 0 12px;font-size:13px;color:var(--ink)}.tip{line-height:1.5}