:root{--bg:#f5f6f7;--card:#ffffff;--text:#111;--muted:#666;--orange:#e87722;--orange2:#c95f12;--border:rgba(0,0,0,.08);--shadow:0 10px 28px rgba(0,0,0,.08);--radius:18px}*{box-sizing:border-box}html,body{height:100%}body{margin:0;font-family:ui-sans-serif,system-ui,-apple-system,Segoe UI,Roboto,Arial;background:var(--bg);color:var(--text)}.container{max-width:980px;margin:0 auto;padding:20px}.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:14px}.h1{font-size:22px;font-weight:900;color:var(--orange);margin:0}.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px;border:1px solid rgba(0,0,0,.04)}.grid2{display:grid;grid-template-columns:1fr 1fr;gap:12px}@media (max-width: 720px){.grid2{grid-template-columns:1fr}}.label{font-size:13px;font-weight:800;color:#333;margin-bottom:6px}select,input{width:100%;height:44px;border-radius:12px;border:1.5px solid #ddd;padding:0 12px;font-weight:700;background:#fff;outline:none}select:focus,input:focus{border-color:var(--orange);box-shadow:0 0 0 3px #e8772229}.btnRow{display:flex;gap:10px;justify-content:flex-end;flex-wrap:wrap;margin-top:14px}.btn{border:0;border-radius:14px;height:46px;padding:0 16px;font-weight:900;cursor:pointer}.btnPrimary{background:var(--orange);color:#fff}.btnPrimary:hover{background:var(--orange2)}.btnGhost{background:#eee;color:#222}.btnGhost:hover{background:#e2e2e2}.note{margin-top:10px;color:var(--muted);font-size:13px;line-height:1.35}.error{margin-top:12px;color:#b00020;font-weight:800}.hr{height:1px;background:#0000000f;margin:14px 0}.sigWrap{border:2px dashed rgba(0,0,0,.18);border-radius:16px;overflow:hidden;background:#fff;touch-action:none}.sigHint{font-size:13px;color:var(--muted);margin-top:8px}