:root{--bg:#f4f7fb;--card:#fff;--ink:#172033;--muted:#667085;--line:#dce3ec;--blue:#195b9b;--blue2:#0f477d;--danger:#b42318}
*{box-sizing:border-box}body{margin:0;background:var(--bg);color:var(--ink);font:14px/1.55 "Microsoft YaHei","Segoe UI",sans-serif}
a{color:var(--blue);text-decoration:none}a:hover{text-decoration:underline}
.topbar{min-height:64px;background:#102a43;color:#fff;display:flex;align-items:center;gap:26px;padding:0 28px;box-shadow:0 2px 8px #0002}
.brand{font-size:18px;font-weight:700;white-space:nowrap}.brand span{font-size:12px;color:#a9c5de;font-weight:400}
.topbar nav{display:flex;gap:18px;flex:1}.topbar nav a{color:#dceaf7}.topbar form{margin:0}.link-button{border:0;background:none;color:#dceaf7;cursor:pointer}
.container{max-width:1500px;margin:0 auto;padding:24px}.page-title h1{font-size:24px;margin:0 0 18px}
.panel{background:var(--card);border:1px solid var(--line);border-radius:10px;padding:18px;margin-bottom:18px;box-shadow:0 2px 10px #102a430d}
.stat-grid{display:grid;grid-template-columns:repeat(6,minmax(130px,1fr));gap:14px;margin-bottom:18px}
.stat{background:#fff;border:1px solid var(--line);border-left:4px solid var(--blue);border-radius:9px;padding:18px}
.stat strong{display:block;font-size:28px;color:var(--blue2)}.stat span{color:var(--muted)}
table{width:100%;border-collapse:collapse;background:#fff}th,td{padding:10px 12px;border-bottom:1px solid var(--line);text-align:left;vertical-align:middle}
th{background:#edf4fa;color:#26445f;white-space:nowrap}tr:hover td{background:#f9fbfd}.wide{min-width:240px;max-width:520px;word-break:break-all}
.table-scroll{overflow:auto}.empty{text-align:center;color:var(--muted);padding:28px}.badge{display:inline-block;background:#e5f0fa;color:#184f80;border-radius:12px;padding:2px 9px;font-size:12px}
label{display:flex;flex-direction:column;gap:5px;color:#344054;font-weight:600}input,select{border:1px solid #bfcbd8;border-radius:6px;padding:9px 10px;background:#fff;min-width:160px}
button{border:1px solid #aebdcc;border-radius:6px;background:#fff;padding:9px 15px;cursor:pointer}.primary{background:var(--blue);color:#fff;border-color:var(--blue)}
.form-grid{display:grid;grid-template-columns:repeat(3,minmax(180px,1fr));gap:16px}.inline-form,.filter{display:flex;align-items:end;gap:12px;margin-bottom:16px}.filter{background:#fff;padding:14px;border:1px solid var(--line);border-radius:8px}
.check{flex-direction:row;align-items:center}.check input{min-width:auto}.detail-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:1px;background:var(--line);padding:1px}
.row-action{display:flex;gap:5px;margin-top:6px}.row-action select{min-width:110px;padding:5px}.row-action button{padding:5px 8px}
.detail-grid div{background:#fff;padding:12px}.detail-grid span{display:block;color:var(--muted);font-size:12px}.detail-grid strong{display:block;word-break:break-all}
.login-wrap{min-height:calc(100vh - 48px);display:grid;place-items:center;padding:30px}.login-card{width:min(420px,100%);background:#fff;padding:34px;border:1px solid var(--line);border-radius:12px;box-shadow:0 12px 40px #102a4320}
.login-card h1{margin:0 0 8px}.login-card p{color:var(--muted);margin:0 0 22px}.login-card form{display:grid;gap:15px}.login-card button{width:100%}
.alert{padding:14px;border-radius:8px;margin:14px 0}.error{background:#fff0ef;color:var(--danger);border:1px solid #f2b8b5}.footer{text-align:center;color:#8391a2;padding:14px}
code{font-family:Consolas,monospace;font-size:12px}@media(max-width:900px){.topbar{align-items:flex-start;flex-direction:column;padding:14px}.topbar nav{flex-wrap:wrap}.stat-grid,.form-grid,.detail-grid{grid-template-columns:1fr 1fr}.container{padding:14px}}@media(max-width:560px){.stat-grid,.form-grid,.detail-grid{grid-template-columns:1fr}.inline-form{align-items:stretch;flex-direction:column}}