:root{
  --primary:#0e7490;
  --primary-dark:#155e75;
  --accent:#c9a227;
  --gold:#c9a227;
  --bg:#f1f5f9;
  --card:#ffffff;
  --text:#0f172a;
  --muted:#111111;
  --border:#e2e8f0;
  --danger:#dc2626;
  --ok:#16a34a;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:"Microsoft YaHei","PingFang SC",sans-serif;background:var(--bg);color:var(--text);font-size:16px}
button{font-family:inherit}
input,select,textarea{font-family:inherit;font-size:16px;padding:8px 10px;border:1px solid var(--border);border-radius:6px;outline:none;width:100%;background:#fff}
input:focus,select:focus,textarea:focus{border-color:var(--primary);box-shadow:0 0 0 2px rgba(14,116,144,.15)}
label{display:block;font-size:14px;color:var(--muted);margin-bottom:4px}
table{width:100%;border-collapse:collapse;background:#fff}
th,td{text-align:left;padding:8px 10px;border-bottom:1px solid var(--border);vertical-align:top;font-size:15px}
th{background:#f8fafc;color:var(--muted);font-weight:600}
tr:hover td{background:#f8fafc}

.btn{cursor:pointer;border:1px solid transparent;border-radius:6px;padding:8px 16px;font-size:15px;transition:.15s;background:#fff;border-color:var(--border)}
.btn.primary{background:var(--primary);color:#fff}
.btn.primary:hover{background:var(--primary-dark)}
.btn.ghost{background:transparent;border-color:var(--border);color:var(--muted)}
.btn.danger{background:#fff;color:var(--danger);border-color:#fecaca}
.btn.sm{padding:4px 10px;font-size:14px}
.btn.block{width:100%;padding:11px}
.btn:disabled{opacity:.5;cursor:not-allowed}

.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0e7490,#155e75)}
.login-card{background:#fff;border-radius:14px;padding:34px 38px;width:380px;box-shadow:0 20px 50px rgba(0,0,0,.25)}
.login-logo{font-size:22px;font-weight:800;color:var(--gold)}
.login-card h1{font-size:26px;margin:6px 0 2px;color:var(--gold)}
.login-sub{color:var(--muted);font-size:14px;margin-bottom:18px}
.login-card .field{margin-bottom:14px}
.role-tip{font-size:13px;color:var(--muted);margin-top:12px;line-height:1.6}

.topbar{display:flex;align-items:center;gap:22px;background:var(--primary);color:#fff;padding:0 20px;height:52px;position:sticky;top:0;z-index:20}
.topbar .brand{font-size:17px;font-weight:800;cursor:pointer;white-space:nowrap;color:var(--gold)}
.nav{display:flex;gap:2px;overflow-x:auto;flex:1}
.nav a{color:rgba(255,255,255,.82);text-decoration:none;padding:15px 12px;font-size:15px;white-space:nowrap;border-bottom:2px solid transparent;cursor:pointer}
.nav a:hover{color:#fff}
.nav a.active{color:#fff;border-bottom-color:var(--accent);font-weight:600}
.userbox{display:flex;align-items:center;gap:10px;white-space:nowrap;font-size:13px}

main{max-width:1200px;margin:0 auto;padding:22px 18px}
.page-title{font-size:20px;font-weight:700;margin-bottom:4px;color:var(--gold)}
.page-sub{color:var(--muted);font-size:15px;margin-bottom:18px}

.card{background:var(--card);border:1px solid var(--border);border-radius:10px;padding:16px;margin-bottom:16px}
.grid{display:grid;gap:14px}
.grid-2{grid-template-columns:repeat(auto-fill,minmax(340px,1fr))}
.grid-3{grid-template-columns:repeat(auto-fill,minmax(260px,1fr))}
.grid-4{grid-template-columns:repeat(auto-fill,minmax(220px,1fr))}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(160px,1fr));gap:12px}
.stat-card{background:#fff;border:1px solid var(--border);border-radius:10px;padding:14px}
.stat-card .num{font-size:26px;font-weight:800;color:var(--gold)}
.stat-card .label{color:var(--muted);font-size:14px;margin-top:4px}

.badge{display:inline-block;padding:2px 8px;border-radius:999px;font-size:13px;margin-right:4px}
.badge.pub{background:#ecfdf5;color:#059669;border:1px solid #a7f3d0}
.badge.int{background:#eff6ff;color:#2563eb;border:1px solid #bfdbfe}
.badge.lim{background:#fefce8;color:#a16207;border:1px solid #fde68a}
.badge.top{background:#fdf2f8;color:#be185d;border:1px solid #fbcfe8}
.badge.type{background:#f1f5f9;color:#111111;border:1px solid #e2e8f0}

.alert{padding:12px 14px;border-radius:8px;margin:12px 0;font-size:15px;line-height:1.7}
.alert.warn{background:#fffbeb;border:1px solid #fde68a;color:#92400e}
.alert.info{background:#eff6ff;border:1px solid #bfdbfe;color:#1e40af}
.alert.ok{background:#ecfdf5;border:1px solid #a7f3d0;color:#065f46}
.alert.err{background:#fef2f2;border:1px solid #fecaca;color:#991b1b}

.doc-item{display:flex;justify-content:space-between;gap:10px;padding:12px 0;border-bottom:1px solid var(--border)}
.doc-item:last-child{border-bottom:none}
.doc-title{font-weight:600;color:var(--gold);cursor:pointer}
.doc-title:hover{text-decoration:underline}
.doc-meta{color:var(--muted);font-size:14px;margin-top:3px}
.snippet{font-size:15px;color:#111111;background:#f8fafc;border-left:3px solid var(--primary);padding:8px 10px;margin-top:8px;border-radius:0 6px 6px 0;line-height:1.7;white-space:pre-wrap}
.answer-box{background:#f8fafc;border:1px solid var(--border);border-radius:10px;padding:16px;line-height:1.9;white-space:pre-wrap;font-size:16px}
.cite{font-size:14px;color:var(--muted);margin-top:8px}
.cite b{color:var(--primary)}

.modal-mask{position:fixed;inset:0;background:rgba(15,23,42,.5);display:flex;align-items:center;justify-content:center;z-index:50}
.modal{background:#fff;border-radius:12px;width:760px;max-width:94vw;max-height:90vh;overflow:auto;padding:22px}
.modal h2{margin-bottom:14px;color:var(--gold)}
.row{display:grid;grid-template-columns:repeat(auto-fill,minmax(180px,1fr));gap:10px;margin-bottom:10px}
.form-actions{display:flex;gap:10px;margin-top:14px}

.hidden{display:none}
.empty{color:var(--muted);text-align:center;padding:34px 0;font-size:16px}
.domain-card{border:1px solid var(--border);border-radius:10px;background:#fff;padding:14px;cursor:pointer;transition:.15s}
.domain-card:hover{border-color:var(--primary);box-shadow:0 4px 12px rgba(14,116,144,.1)}
.domain-name{font-weight:700;color:var(--gold);margin-bottom:6px}
.domain-sites{font-size:13px;color:var(--muted);margin:6px 0}
.site-chip{display:inline-block;background:#f1f5f9;border-radius:4px;padding:1px 6px;margin:2px;font-size:13px}
.search-bar{display:flex;gap:10px;margin-bottom:16px}
.search-bar input{flex:1}
.quiz-q{border-bottom:1px solid var(--border);padding:10px 0}
.quiz-q .qno{color:var(--accent);font-weight:700;margin-right:6px}
.q-result{margin-top:6px;font-size:15px;line-height:1.7}
.footer{color:var(--muted);font-size:14px;text-align:center;padding:20px}