:root{
  --primary:#2b6cff; --primary-d:#1e53d6; --primary-l:#eef3ff;
  --success:#38b28a; --warning:#e6a23c; --danger:#e35d5d; --purple:#7a5cff;
  --text:#1f2733; --text-2:#5b6779; --text-3:#8a97ae;
  --line:#e8ecf4; --bg:#f4f6fb; --card:#ffffff;
  --radius:10px; --shadow:0 4px 16px rgba(31,39,51,.06);
}
*{box-sizing:border-box}
html,body{margin:0;padding:0;height:100%}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--text);font-size:14px;-webkit-font-smoothing:antialiased}
a{color:var(--primary);text-decoration:none}
button{font-family:inherit}
::-webkit-scrollbar{width:8px;height:8px}
::-webkit-scrollbar-thumb{background:#ccd6e6;border-radius:4px}
::-webkit-scrollbar-track{background:transparent}

/* ---------- 登录 ---------- */
.login-wrap{min-height:100vh;display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,#eef3fb,#e3ebf9 45%,#f7f9fd)}
.login-card{width:400px;background:#fff;border-radius:16px;box-shadow:0 20px 50px rgba(31,39,51,.12);padding:36px 34px}
.login-card h1{font-size:19px;margin:0 0 6px;letter-spacing:.3px}
.login-card .sub{color:var(--text-3);font-size:12.5px;margin-bottom:24px;line-height:1.7}
.login-card .logo{width:52px;height:52px;border-radius:14px;background:linear-gradient(135deg,#2b6cff,#7a5cff);display:flex;align-items:center;justify-content:center;color:#fff;font-weight:700;font-size:22px;margin-bottom:18px}
.login-card label{display:block;font-size:13px;color:var(--text-2);margin:14px 0 6px}
.login-card input{width:100%;padding:11px 13px;border:1px solid #dbe2ee;border-radius:9px;font-size:14px;outline:none;transition:.2s}
.login-card input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(43,108,255,.1)}
.login-card .btn-login{width:100%;margin-top:22px;padding:12px;border:0;border-radius:9px;background:var(--primary);color:#fff;font-size:15px;cursor:pointer;box-shadow:0 8px 20px rgba(43,108,255,.28)}
.login-card .btn-login:hover{background:var(--primary-d)}
.login-tip{margin-top:16px;font-size:12px;color:var(--text-3);line-height:1.8}

/* ---------- 布局 ---------- */
.layout{display:flex;min-height:100vh}
.sidebar{width:224px;background:#121a2b;color:#c6cfdd;flex-shrink:0;display:flex;flex-direction:column;position:fixed;top:0;bottom:0;left:0;overflow-y:auto}
.sidebar .brand{padding:18px 18px 14px;border-bottom:1px solid rgba(255,255,255,.07)}
.sidebar .brand b{color:#fff;font-size:14.5px;display:block;letter-spacing:.4px}
.sidebar .brand span{font-size:11.5px;color:#7d8ba3;display:block;margin-top:4px}
.sidebar nav{padding:10px 10px 30px}
.menu-group{margin-bottom:2px}
.menu-item{display:flex;align-items:center;gap:9px;padding:10px 12px;border-radius:8px;cursor:pointer;font-size:13.5px;color:#c6cfdd;transition:.15s;user-select:none}
.menu-item:hover{background:rgba(255,255,255,.06);color:#fff}
.menu-item.active{background:var(--primary);color:#fff;box-shadow:0 6px 14px rgba(43,108,255,.3)}
.menu-item .caret{margin-left:auto;font-size:10px;opacity:.7;transition:.2s}
.menu-item.open .caret{transform:rotate(90deg)}
.menu-sub{overflow:hidden;transition:.2s}
.menu-sub .menu-item{padding-left:34px;font-size:13px}
.menu-ico{width:16px;text-align:center;opacity:.85}

.main{margin-left:224px;flex:1;min-width:0;display:flex;flex-direction:column}
.topbar{height:58px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;padding:0 22px;gap:16px;position:sticky;top:0;z-index:20}
.topbar .page-title{font-size:16px;font-weight:600}
.topbar .spacer{flex:1}
.topbar .user{display:flex;align-items:center;gap:10px;cursor:pointer;padding:6px 10px;border-radius:8px}
.topbar .user:hover{background:var(--bg)}
.avatar{width:30px;height:30px;border-radius:50%;background:linear-gradient(135deg,#2b6cff,#7a5cff);color:#fff;display:flex;align-items:center;justify-content:center;font-size:13px}
.badge-dot{background:var(--danger);color:#fff;border-radius:10px;font-size:11px;padding:1px 6px;margin-left:4px}
.content{padding:20px 22px 40px;flex:1}

/* ---------- 通用组件 ---------- */
.card{background:var(--card);border-radius:var(--radius);box-shadow:var(--shadow);padding:18px 20px;margin-bottom:16px}
.card h3{margin:0 0 14px;font-size:15px;display:flex;align-items:center;gap:8px}
.card h3 i{width:5px;height:16px;background:var(--primary);border-radius:3px;display:inline-block}
.card-head{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.card-head h3{margin:0;flex:1}

.btn{display:inline-flex;align-items:center;gap:6px;border:1px solid transparent;border-radius:8px;padding:8px 15px;font-size:13.5px;cursor:pointer;background:var(--primary);color:#fff;transition:.15s}
.btn:hover{filter:brightness(1.06)}
.btn.ghost{background:#fff;color:var(--text-2);border-color:var(--line)}
.btn.ghost:hover{border-color:var(--primary);color:var(--primary);background:#fff}
.btn.sm{padding:5px 11px;font-size:12.5px;border-radius:7px}
.btn.danger{background:var(--danger)}
.btn.success{background:var(--success)}
.btn.warn{background:var(--warning)}
.btn[disabled]{opacity:.55;cursor:not-allowed}
.btn-link{background:none;border:0;color:var(--primary);cursor:pointer;font-size:13px;padding:2px 4px}
.btn-link.danger{color:var(--danger)}

.toolbar{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:14px}
.toolbar .spacer{flex:1}
.field{display:flex;flex-direction:column;gap:5px}
.field label{font-size:12.5px;color:var(--text-2)}
input[type=text],input[type=password],input[type=number],input[type=date],input[type=datetime-local],select,textarea{
  padding:8px 11px;border:1px solid #dbe2ee;border-radius:8px;font-size:13.5px;outline:none;background:#fbfcfe;font-family:inherit;color:var(--text);width:100%}
input:focus,select:focus,textarea:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(43,108,255,.08)}
textarea{resize:vertical;min-height:76px}
.switch{position:relative;display:inline-block;width:42px;height:22px;flex-shrink:0}
.switch input{display:none}
.switch span{position:absolute;inset:0;background:#d3dbe8;border-radius:20px;transition:.2s;cursor:pointer}
.switch span:before{content:"";position:absolute;width:16px;height:16px;left:3px;top:3px;background:#fff;border-radius:50%;transition:.2s}
.switch input:checked + span{background:var(--primary)}
.switch input:checked + span:before{transform:translateX(20px)}

table.grid{width:100%;border-collapse:collapse;font-size:13.5px}
table.grid th{background:#f7f9fd;color:var(--text-2);font-weight:600;text-align:left;padding:11px 12px;white-space:nowrap;border-bottom:1px solid var(--line)}
table.grid td{padding:11px 12px;border-bottom:1px solid #f1f4fa;vertical-align:middle}
table.grid tbody tr:hover{background:#fafbfe}
table.grid .nowrap{white-space:nowrap}
.empty{text-align:center;color:var(--text-3);padding:40px 0;font-size:13.5px}
.pager{display:flex;align-items:center;gap:8px;justify-content:flex-end;padding-top:14px;font-size:13px;color:var(--text-2)}
.pager button{border:1px solid var(--line);background:#fff;border-radius:7px;padding:5px 10px;cursor:pointer;color:var(--text-2)}
.pager button:disabled{opacity:.45;cursor:not-allowed}
.pager .cur{background:var(--primary);color:#fff;border-color:var(--primary)}

.tag{display:inline-block;padding:2px 9px;border-radius:20px;font-size:12px;line-height:18px;background:#eef3ff;color:var(--primary);white-space:nowrap}
.tag.gray{background:#f0f2f6;color:#7b8797}
.tag.green{background:#eaf8f2;color:#22835f}
.tag.orange{background:#fdf4e6;color:#b57715}
.tag.red{background:#fdecec;color:#c94242}
.tag.purple{background:#f1edff;color:#5b3fd6}

.stat-grid{display:grid;grid-template-columns:repeat(auto-fill,minmax(190px,1fr));gap:14px}
.stat{background:#fff;border-radius:var(--radius);box-shadow:var(--shadow);padding:16px 18px;position:relative;overflow:hidden}
.stat .label{font-size:12.5px;color:var(--text-3)}
.stat .value{font-size:26px;font-weight:700;margin-top:8px;letter-spacing:-.5px}
.stat .foot{font-size:12px;color:var(--text-3);margin-top:6px}
.stat:after{content:"";position:absolute;right:-24px;top:-24px;width:76px;height:76px;border-radius:50%;background:var(--primary-l)}
.stat.blue .value{color:var(--primary)}.stat.green .value{color:var(--success)}
.stat.orange .value{color:var(--warning)}.stat.purple .value{color:var(--purple)}
.stat.red .value{color:var(--danger)}

.modal-mask{position:fixed;inset:0;background:rgba(19,26,42,.45);display:flex;align-items:center;justify-content:center;z-index:100;padding:24px}
.modal{background:#fff;border-radius:14px;box-shadow:0 24px 60px rgba(19,26,42,.25);width:640px;max-width:100%;max-height:88vh;display:flex;flex-direction:column}
.modal-head{padding:16px 20px;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;font-size:15px;font-weight:600}
.modal-head .close{cursor:pointer;color:var(--text-3);font-size:18px;line-height:1}
.modal-body{padding:20px;overflow-y:auto}
.modal-foot{padding:14px 20px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.form-grid .full{grid-column:1/-1}
.form-item{display:flex;flex-direction:column;gap:6px}
.form-item label{font-size:13px;color:var(--text-2)}
.form-item .tip{font-size:11.5px;color:var(--text-3)}
.form-item .req{color:var(--danger)}

.toast-wrap{position:fixed;top:18px;left:50%;transform:translateX(-50%);z-index:200;display:flex;flex-direction:column;gap:8px;align-items:center}
.toast{padding:10px 18px;border-radius:9px;background:#1f2733;color:#fff;font-size:13.5px;box-shadow:0 10px 24px rgba(19,26,42,.25);animation:tin .18s ease-out}
.toast.ok{background:#22835f}.toast.err{background:#c94242}
@keyframes tin{from{opacity:0;transform:translateY(-8px)}to{opacity:1;transform:none}}

.uploader{border:1px dashed #cfd9ea;border-radius:9px;padding:12px;background:#fbfcfe}
.uploader .files{display:flex;flex-direction:column;gap:6px;margin-top:8px}
.uploader .file{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--text-2);background:#fff;border:1px solid var(--line);border-radius:7px;padding:6px 10px}
.file-list{display:flex;flex-wrap:wrap;gap:8px}
.file-chip{display:inline-flex;align-items:center;gap:6px;background:#f7f9fd;border:1px solid var(--line);border-radius:20px;padding:4px 12px;font-size:12.5px;cursor:pointer;color:var(--text-2)}
.file-chip:hover{border-color:var(--primary);color:var(--primary)}

.desc-list{display:grid;grid-template-columns:130px 1fr;gap:10px 14px;font-size:13.5px}
.desc-list .k{color:var(--text-3)}
.timeline{position:relative;padding-left:20px;margin:0;list-style:none}
.timeline:before{content:"";position:absolute;left:5px;top:6px;bottom:6px;width:2px;background:var(--line)}
.timeline li{position:relative;padding:0 0 16px 8px}
.timeline li:before{content:"";position:absolute;left:-19px;top:5px;width:9px;height:9px;border-radius:50%;background:var(--primary);box-shadow:0 0 0 3px #e9f0ff}
.timeline .tl-title{font-size:13.5px;font-weight:600}
.timeline .tl-meta{font-size:12px;color:var(--text-3);margin-top:3px;line-height:1.7}
.chart-box{width:100%;overflow:hidden}
.tabs{display:flex;gap:6px;border-bottom:1px solid var(--line);margin-bottom:16px;flex-wrap:wrap}
.tabs button{border:0;background:none;padding:9px 14px;font-size:13.5px;color:var(--text-2);cursor:pointer;border-bottom:2px solid transparent}
.tabs button.active{color:var(--primary);border-bottom-color:var(--primary);font-weight:600}
.screen-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:14px}
.hint{font-size:12.5px;color:var(--text-3);line-height:1.8}
.code-block{background:#f7f9fd;border:1px solid var(--line);border-radius:8px;padding:12px;font-family:Consolas,Monaco,monospace;font-size:12.5px;white-space:pre-wrap;color:#3b4759}
.cert-tip{background:#fff8ec;border:1px solid #ffe6c2;color:#a5711a;border-radius:8px;padding:10px 12px;font-size:12.5px;margin-bottom:12px}
@media (max-width:980px){
  .sidebar{width:64px}.sidebar .brand span,.sidebar .menu-item span.txt,.sidebar .caret{display:none}
  .main{margin-left:64px}.form-grid{grid-template-columns:1fr}.screen-grid{grid-template-columns:repeat(2,1fr)}
}