*{box-sizing:border-box}body{margin:0;background:#f4f6f9;color:#243044;font:15px/1.6 "Microsoft YaHei",Arial,sans-serif}header{background:#17365d;color:#fff;padding:14px 4%;display:flex;justify-content:space-between;align-items:center;gap:20px;flex-wrap:wrap}.brand{font-size:20px;font-weight:700}nav{display:flex;align-items:center;gap:18px;flex-wrap:wrap}nav a,.linkbtn{color:#fff;text-decoration:none;background:none;border:0;cursor:pointer;font:inherit}main{max-width:1200px;margin:28px auto;padding:0 18px;min-height:75vh}h1{font-size:25px;margin:0 0 20px}h2{font-size:19px}.card{background:#fff;border:1px solid #e3e8ef;border-radius:8px;padding:22px;margin-bottom:22px;box-shadow:0 2px 8px #10203008}.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin:20px 0}.stat{background:#fff;border:1px solid #e5eaf0;border-radius:8px;padding:20px}.stat b{display:block;font-size:30px;color:#1764b1}.stat span{color:#667085}.toolbar{display:flex;align-items:center;justify-content:space-between;gap:15px;margin-bottom:16px}.toolbar h1,.toolbar h2{margin:0}table{width:100%;border-collapse:collapse;background:#fff;border:1px solid #e5eaf0}th,td{text-align:left;padding:12px;border-bottom:1px solid #edf0f4}th{background:#f7f9fc;color:#4b5563}a{color:#1764b1;text-decoration:none}button,.button{display:inline-block;border:1px solid #ccd5e0;background:#fff;color:#263445;padding:9px 16px;border-radius:5px;cursor:pointer;text-decoration:none;font:inherit}.primary{background:#1764b1;color:#fff;border-color:#1764b1}.full{width:100%;margin-top:18px}.inline{display:inline}.alert{padding:11px 15px;border-radius:5px;margin-bottom:15px;background:#e9f3ff}.alert.danger{background:#fff0f0;color:#a32121}.alert.success{background:#eaf8ef;color:#176b36}.alert.warning{background:#fff8e5}.search{display:flex;gap:8px;margin-bottom:16px}.search input{max-width:420px}input,select,textarea{width:100%;padding:10px;border:1px solid #ccd5e0;border-radius:5px;font:inherit;background:#fff}label{display:block;font-weight:600;margin:12px 0 5px}textarea{min-height:90px}.formgrid{display:grid;grid-template-columns:180px minmax(220px,1fr);gap:8px 15px;align-items:center}.formgrid label{margin:0}.formgrid textarea{min-height:70px}.login{max-width:420px;margin:70px auto}.login h1{text-align:center}.muted{color:#7b8492;font-size:13px}.qr{display:flex;gap:22px;align-items:center;margin:20px 0}.qr img{width:160px;height:160px;border:1px solid #eee;padding:6px}.qr p{color:#667085}footer{text-align:center;color:#98a2b3;padding:20px}pre{white-space:pre-wrap;margin:0;font:inherit}.formgrid div{grid-column:2}@media(max-width:700px){.stats{grid-template-columns:repeat(2,1fr)}.formgrid{grid-template-columns:1fr}.formgrid div{grid-column:1}table{display:block;overflow-x:auto}.qr{align-items:flex-start;flex-direction:column}header{align-items:flex-start}nav{gap:10px}}