*{box-sizing:border-box}body{margin:0;background:#f3f6fb;color:#1f2937;font-family:"Microsoft YaHei",Arial,sans-serif}.login-page{min-height:100vh;display:grid;place-items:center;background:linear-gradient(135deg,#041328,#123a63)}.login-card{width:360px;background:#fff;border-radius:16px;padding:28px;box-shadow:0 20px 60px rgba(0,0,0,.28)}.login-card h1{margin:0 0 20px}.login-card label{display:block;margin:12px 0;color:#4b5563}.login-card input{width:100%;height:40px;margin-top:6px;border:1px solid #d9dee7;border-radius:8px;padding:0 10px}.login-card button,.grid-form button,.ops button{height:38px;border:0;border-radius:8px;background:#123a63;color:white;padding:0 16px;cursor:pointer}.login-card a{display:block;margin-top:14px;color:#123a63}.error{background:#ffe8e8;color:#b91c1c;padding:8px;border-radius:8px}.admin-layout{display:grid;grid-template-columns:220px 1fr;min-height:100vh}aside{background:#071f3b;color:#fff;padding:22px}aside h1{font-size:22px;margin:0 0 20px}aside a{display:block;color:#bdddf1;text-decoration:none;padding:10px 12px;border-radius:8px;margin:4px 0}aside a.active,aside a:hover{background:#123a63;color:#fff}aside hr{border:0;border-top:1px solid rgba(255,255,255,.16);margin:16px 0}main{padding:24px;overflow:auto}header h2{margin:0;font-size:28px}header p{color:#6b7280}.card{background:white;border:1px solid #d9dee7;border-radius:14px;padding:18px;margin:18px 0;box-shadow:0 8px 24px rgba(31,41,55,.06)}.grid-form{display:grid;grid-template-columns:repeat(4,minmax(160px,1fr));gap:12px;align-items:end}.grid-form label{font-size:13px;color:#4b5563}.grid-form input,td input{width:100%;height:34px;border:1px solid #d9dee7;border-radius:7px;padding:0 8px}table{width:100%;border-collapse:collapse;font-size:14px}th{background:#123a63;color:#fff}th,td{border:1px solid #d9dee7;padding:8px;text-align:left}tbody tr:nth-child(even){background:#f7f9fc}.table-wrap{overflow:auto}.ops{white-space:nowrap}.ops button:nth-child(2){background:#b91c1c;margin-left:6px}@media(max-width:900px){.admin-layout{grid-template-columns:1fr}aside{position:static}.grid-form{grid-template-columns:1fr}}