:root{
  --bg:#f4f6f9;--panel:#fff;--ink:#1d2433;--muted:#6b7385;--line:#e3e7ee;--brand:#0f2f57;--brand2:#1f5fa8;
  --accent:#1f5fa8;--green:#1e8a54;--red:#c23b3b;--amber:#b7791f;--blue:#2b6cb0;--indigo:#4c51bf;--teal:#23877a;--gray:#718096;
  --radius:8px;
}
*{box-sizing:border-box}
html,body{margin:0;padding:0}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Noto Sans CJK SC",sans-serif;
  font-size:14px;color:var(--ink);background:var(--bg);line-height:1.5}
a{color:var(--accent);text-decoration:none}
a:hover{text-decoration:underline}
.layout{display:flex;min-height:100vh}
.sidebar{width:208px;flex:0 0 208px;background:var(--brand);color:#cfd9e8;display:flex;flex-direction:column;position:sticky;top:0;height:100vh;overflow-y:auto}
.brand{padding:18px 18px 14px;color:#fff;font-weight:700;font-size:16px;letter-spacing:.5px;border-bottom:1px solid rgba(255,255,255,.08)}
.brand small{display:block;font-weight:400;font-size:11px;color:#9fb3cc;margin-top:2px}
.nav a{display:block;padding:9px 18px;color:#cfd9e8;border-left:3px solid transparent}
.nav a:hover{background:rgba(255,255,255,.06);text-decoration:none;color:#fff}
.nav a.active{background:rgba(255,255,255,.1);color:#fff;border-left-color:#5aa2ff}
.nav .sep{height:1px;background:rgba(255,255,255,.08);margin:6px 0}
.sidebar .foot{margin-top:auto;padding:14px 18px;font-size:12px;color:#9fb3cc}
.sidebar .foot button{background:none;border:1px solid rgba(255,255,255,.2);color:#cfd9e8;border-radius:6px;padding:3px 10px;cursor:pointer;margin-top:6px}
.main{flex:1;min-width:0;padding:22px 26px 40px}
.topbar{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:16px;flex-wrap:wrap}
h1{font-size:20px;margin:0}
h2{font-size:16px;margin:0 0 10px}
h3{font-size:14px;margin:0 0 8px}
.mock-banner{background:#fff7e0;border:1px solid #f1d38a;color:#7a5412;padding:7px 12px;border-radius:var(--radius);margin-bottom:14px;font-size:13px}
.card{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:16px;margin-bottom:16px}
.card.tight{padding:0}
.card .card-h{display:flex;justify-content:space-between;align-items:center;gap:8px;margin-bottom:10px;flex-wrap:wrap}
.grid{display:grid;gap:12px}
.g2{grid-template-columns:repeat(2,minmax(0,1fr))}
.g3{grid-template-columns:repeat(3,minmax(0,1fr))}
.g4{grid-template-columns:repeat(4,minmax(0,1fr))}
.g6{grid-template-columns:repeat(6,minmax(0,1fr))}
@media (max-width:1100px){.g4,.g6{grid-template-columns:repeat(3,minmax(0,1fr))}.g3{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (max-width:760px){.sidebar{display:none}.g2,.g3,.g4,.g6{grid-template-columns:1fr}.main{padding:14px}}
.stat{background:var(--panel);border:1px solid var(--line);border-radius:var(--radius);padding:12px 14px}
.stat .v{font-size:24px;font-weight:700;font-variant-numeric:tabular-nums}
.stat .l{color:var(--muted);font-size:12px}
.table-wrap{overflow-x:auto}
table{width:100%;border-collapse:collapse;background:var(--panel)}
th,td{padding:8px 10px;border-bottom:1px solid var(--line);text-align:left;vertical-align:top}
th{font-size:12px;color:var(--muted);font-weight:600;background:#fafbfd;white-space:nowrap}
tr:hover td{background:#fafcff}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.badge{display:inline-block;padding:1px 8px;border-radius:10px;font-size:12px;white-space:nowrap;background:#edf2f7;color:#4a5568}
.b-green{background:#e3f4ea;color:var(--green)}.b-red{background:#fbe7e7;color:var(--red)}
.b-amber{background:#fdf1dc;color:var(--amber)}.b-blue{background:#e4eefb;color:var(--blue)}
.b-indigo{background:#e9e9fb;color:var(--indigo)}.b-teal{background:#dff3f0;color:var(--teal)}.b-gray{background:#edf2f7;color:#4a5568}
.lvl{display:inline-block;min-width:24px;text-align:center;border-radius:5px;font-weight:700;font-size:12px;padding:1px 6px;color:#fff;background:var(--gray)}
.lvl-S{background:#6b46c1}.lvl-A{background:var(--green)}.lvl-B{background:var(--blue)}.lvl-C{background:var(--amber)}.lvl-D{background:#a0aec0}
.muted{color:var(--muted)}.small{font-size:12px}.nowrap{white-space:nowrap}.right{text-align:right}
.btn{display:inline-block;border:1px solid var(--line);background:#fff;color:var(--ink);padding:6px 12px;border-radius:6px;cursor:pointer;font-size:13px;line-height:1.4;font-family:inherit}
.btn:hover{border-color:#b9c3d3;text-decoration:none}
.btn-primary{background:var(--brand2);border-color:var(--brand2);color:#fff}.btn-primary:hover{background:#184d8a}
.btn-danger{color:var(--red);border-color:#f0c4c4}.btn-success{background:var(--green);border-color:var(--green);color:#fff}
.btn-sm{padding:3px 8px;font-size:12px}
.btns{display:flex;gap:6px;flex-wrap:wrap;align-items:center}
form.inline{display:inline}
input[type=text],input[type=email],input[type=password],input[type=number],input[type=url],select,textarea{
  width:100%;padding:7px 9px;border:1px solid #cfd6e2;border-radius:6px;font:inherit;background:#fff;color:var(--ink)}
textarea{min-height:90px;resize:vertical}
textarea.code,pre{font-family:ui-monospace,Consolas,Menlo,monospace;font-size:12px}
label{display:block;font-size:12px;color:var(--muted);margin:0 0 3px}
.field{margin-bottom:10px}
.check{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--ink)}
.check input{width:auto}
.filters{display:flex;gap:8px;flex-wrap:wrap;align-items:flex-end;margin-bottom:12px}
.filters .field{margin:0;min-width:130px}
.flash{padding:9px 12px;border-radius:6px;margin-bottom:10px;border:1px solid}
.flash-success{background:#e8f6ee;border-color:#b9e3c9;color:#1b5e3a}
.flash-error{background:#fcebeb;border-color:#f1c0c0;color:#8a2626}
.flash-warning{background:#fff6e5;border-color:#f3d9a4;color:#7a5412}
.tabs{display:flex;gap:2px;border-bottom:1px solid var(--line);margin-bottom:14px;flex-wrap:wrap}
.tabs a{padding:8px 14px;color:var(--muted);border-bottom:2px solid transparent}
.tabs a.active{color:var(--ink);border-bottom-color:var(--brand2);font-weight:600}
.tabs a:hover{text-decoration:none;color:var(--ink)}
.count{background:#edf2f7;border-radius:10px;padding:0 7px;font-size:11px;margin-left:4px;color:#4a5568}
.pager{display:flex;gap:6px;align-items:center;margin-top:12px}
.funnel .row{display:flex;align-items:center;gap:10px;margin:6px 0}
.funnel .name{width:64px;color:var(--muted);font-size:13px}
.funnel .bar{height:22px;background:linear-gradient(90deg,#1f5fa8,#3d86d6);border-radius:4px;min-width:2px}
.funnel .val{font-variant-numeric:tabular-nums;font-weight:600;min-width:40px}
.kanban{display:flex;gap:10px;overflow-x:auto;padding-bottom:10px;align-items:flex-start}
.col{flex:0 0 220px;background:#eaeef4;border-radius:var(--radius);padding:8px}
.col h3{display:flex;justify-content:space-between;font-size:13px;margin:2px 4px 8px}
.kcard{background:#fff;border:1px solid var(--line);border-radius:6px;padding:8px;margin-bottom:6px;font-size:12px}
.kcard a{font-weight:600;font-size:13px}
dl.kv{display:grid;grid-template-columns:110px 1fr;gap:5px 10px;margin:0}
dl.kv dt{color:var(--muted);font-size:12px}
dl.kv dd{margin:0;word-break:break-word}
.mailbody{white-space:pre-wrap;background:#fbfcfe;border:1px solid var(--line);border-radius:6px;padding:12px;font-size:13px}
.thread .msg{border:1px solid var(--line);border-radius:6px;padding:10px 12px;margin-bottom:10px;background:#fff}
.thread .msg.in{border-left:4px solid var(--indigo)}
.thread .msg.out{border-left:4px solid var(--teal)}
.list-plain{margin:0;padding-left:18px}
.evidence{border-left:3px solid #c9d7ea;padding:4px 10px;margin:6px 0;background:#f8fafd;font-size:12px}
details summary{cursor:pointer;color:var(--accent)}
pre{white-space:pre-wrap;word-break:break-word;background:#f7f9fc;border:1px solid var(--line);padding:10px;border-radius:6px;max-height:480px;overflow:auto}
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;background:linear-gradient(135deg,#0f2f57,#1f5fa8)}
.login-box{background:#fff;padding:30px 30px 24px;border-radius:12px;width:340px;box-shadow:0 10px 30px rgba(0,0,0,.2)}
.login-box h1{text-align:center;margin-bottom:18px;color:var(--brand)}
.score-bar{height:6px;border-radius:3px;background:#e2e8f0;overflow:hidden;width:70px;display:inline-block;vertical-align:middle;margin-left:4px}
.score-bar i{display:block;height:100%;background:var(--brand2)}
.warn-list{margin:0;padding-left:18px;color:var(--red)}