*{box-sizing:border-box}body{margin:0;font-family:Arial,sans-serif;background:#f5f7fb;color:#172033}.top{background:#fff;border-bottom:1px solid #e5e7eb;padding:14px 28px;display:flex;justify-content:space-between;align-items:center;gap:20px;position:sticky;top:0;z-index:5}.brand{display:flex;align-items:center;gap:10px;font-size:20px}.brand img{width:34px;height:34px;object-fit:contain}.top nav{display:flex;gap:14px;flex-wrap:wrap}.top a{color:#334155;text-decoration:none;font-size:14px}.container{max-width:1200px;margin:28px auto;padding:0 18px}.grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}.card,.form{background:#fff;border:1px solid #e5e7eb;border-radius:12px;padding:18px}.num{font-size:28px;font-weight:700}.row{display:grid;grid-template-columns:repeat(2,1fr);gap:16px}.field{margin-bottom:14px}.field label{display:block;font-weight:600;font-size:13px;margin-bottom:6px}.field input,.field textarea,.field select{width:100%;padding:10px;border:1px solid #cfd6e2;border-radius:7px;font:inherit}.field textarea{min-height:160px}.btn{display:inline-block;background:#172033;color:#fff;border:0;border-radius:8px;padding:10px 14px;cursor:pointer;text-decoration:none}.table-wrap{overflow:auto;background:#fff;border:1px solid #e5e7eb;border-radius:12px}.table{width:100%;border-collapse:collapse}.table th,.table td{padding:11px;border-bottom:1px solid #edf0f4;text-align:left;font-size:14px}.alert{padding:12px 15px;border-radius:8px;margin-bottom:15px}.ok{background:#e9f8ef;color:#11632e}.err{background:#fdecec;color:#9d1c1c}.muted{color:#667085}footer{text-align:center;padding:30px;color:#7b8494}@media(max-width:850px){.grid{grid-template-columns:repeat(2,1fr)}.row{grid-template-columns:1fr}.top{flex-direction:column;align-items:flex-start}}@media(max-width:520px){.grid{grid-template-columns:1fr}.container{padding:0 12px}}