:root{--bg: #f5f6f8;--card: #ffffff;--line: #e3e6ea;--text: #1f2328;--muted: #6b7280;--accent: #2f6fed;--accent-ink: #ffffff;--ok: #1a9e63}*{box-sizing:border-box}body{margin:0;font-family:Segoe UI,PingFang SC,Microsoft YaHei,system-ui,sans-serif;background:var(--bg);color:var(--text);line-height:1.5}header{padding:16px 24px;background:var(--card);border-bottom:1px solid var(--line);display:flex;align-items:baseline;gap:12px}header h1{font-size:18px;margin:0}header .sub{color:var(--muted);font-size:13px}main{max-width:1280px;margin:0 auto;padding:20px 24px 60px;display:grid;gap:16px}.card{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:16px 18px}.card h2{font-size:14px;margin:0 0 12px;color:var(--text)}.row{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-end}.field{display:flex;flex-direction:column;gap:4px}.field label{font-size:12px;color:var(--muted)}input,select{padding:7px 10px;border:1px solid var(--line);border-radius:7px;font-size:13px;background:#fff;color:var(--text)}input:focus,select:focus{outline:2px solid var(--accent);outline-offset:0;border-color:var(--accent)}button{padding:9px 16px;border:none;border-radius:7px;font-size:13px;cursor:pointer;background:var(--accent);color:var(--accent-ink)}button.secondary{background:#eef1f5;color:var(--text)}button.danger{background:#c53030}button:disabled{opacity:.5;cursor:not-allowed}.muted{color:var(--muted);font-size:12px}.stat{font-size:13px}.stat b{font-size:15px}.stat.ok b{color:var(--ok)}.progress-wrap{margin-top:14px}.progress-bar{height:10px;border-radius:6px;background:#eef1f5;overflow:hidden}.progress-bar>i{display:block;height:100%;width:0;background:linear-gradient(90deg,#2f6fed,#4fd1c5);transition:width .12s linear}.progress-text{margin-top:6px;font-size:12px;color:var(--muted)}.svg-wrap{overflow:auto;border:1px solid var(--line);border-radius:8px;background:#fff;max-height:72vh;padding:8px}.svg-wrap svg{display:block}.file-drop{border:2px dashed var(--line);border-radius:8px;padding:18px;text-align:center;color:var(--muted);font-size:13px;cursor:pointer}.file-drop.drag{border-color:var(--accent);background:#f0f5ff}.hidden-input{display:none}