:root{
  --navy:#1f4e79; --navy-d:#16395a; --ink:#12263a; --gray:#5b6b7c;
  --line:#e3eaf1; --bg:#f4f7fb; --cyan:#0eb0c9; --mint:#64ffda;
  --red:#d64545; --orange:#e8833a; --yellow:#d9a520; --blue:#3b7dd8; --green:#0f9d58;
}
*{box-sizing:border-box;margin:0;padding:0}
body{font-family:-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;background:var(--bg);color:var(--ink);font-size:12.5px;line-height:1.5}
a{color:inherit;text-decoration:none}
.layout{display:flex;min-height:100vh}
/* 侧栏 */
.side{width:196px;background:linear-gradient(180deg,#12314e,#1f4e79);color:#dbe7f1;flex:none;display:flex;flex-direction:column}
.side .brand{display:flex;align-items:center;gap:8px;padding:14px 14px;border-bottom:1px solid rgba(255,255,255,.09)}
.side .brand .logo{width:32px;height:32px;border-radius:8px;background:linear-gradient(135deg,#1f4e79,#0eb0c9);display:grid;place-items:center;font-weight:800;font-size:13px;color:#fff}
.side .brand b{font-size:13px;letter-spacing:.2px;color:#fff}
.side .brand small{display:block;font-size:11px;color:#8fb0c9}
.nav{padding:10px 0;overflow:auto;flex:1}
.nav a{display:flex;align-items:center;gap:7px;padding:6px 14px;font-size:12px;color:#c6d8e8;border-left:3px solid transparent}
.nav a:hover{background:rgba(255,255,255,.06);color:#fff}
.nav a.on{background:rgba(14,176,201,.16);color:#fff;border-left-color:var(--mint)}
.nav .grp{font-size:10px;color:#7fa0ba;padding:10px 14px 4px;letter-spacing:1px}
.side .who{padding:10px 14px;border-top:1px solid rgba(255,255,255,.09);font-size:12.5px;color:#a9c4d8}
.side .who b{color:#fff;display:block;font-size:13px}
.side .who a{color:#8fb0c9;font-size:12px}
/* 主区 */
.main{flex:1;min-width:0;display:flex;flex-direction:column}
.top{height:48px;background:#fff;border-bottom:1px solid var(--line);display:flex;align-items:center;justify-content:space-between;padding:0 24px}
.top h1{font-size:15px;color:var(--navy);font-weight:700}
.top .meta{font-size:11.5px;color:var(--gray)}
.content{padding:14px 16px 24px;flex:1}
/* 卡片 */
.card{background:#fff;border:1px solid var(--line);border-radius:10px;padding:12px 14px;margin-bottom:10px}
.card h2{font-size:13.5px;color:var(--navy);margin-bottom:8px;font-weight:700;display:flex;justify-content:space-between;align-items:center}
.card h2 .sub{font-size:11px;color:var(--gray);font-weight:400}
/* 指标 */
.kpis{display:grid;grid-template-columns:repeat(5,1fr);gap:10px;margin-bottom:10px}
.kpi{background:#fff;border:1px solid var(--line);border-radius:10px;padding:10px 12px}
.kpi .k{font-size:11.5px;color:var(--gray)}
.kpi .v{font-size:21px;font-weight:800;color:var(--navy);line-height:1.3;letter-spacing:-.5px}
.kpi .v small{font-size:11px;color:var(--gray);font-weight:500;margin-left:3px}
.kpi.warn .v{color:var(--red)}
/* 表格 */
table{width:100%;border-collapse:collapse;font-size:12px}
th{background:#f0f5fa;color:#33475b;font-weight:700;text-align:left;padding:5px 7px;border-bottom:1px solid var(--line);white-space:nowrap}
td{padding:4px 7px;border-bottom:1px solid #eef2f7;vertical-align:middle}
tr:hover td{background:#fafcfe}
.tag{display:inline-block;padding:0 6px;border-radius:999px;font-size:10.5px;line-height:1.6;white-space:nowrap}
.t-red{background:#fdecec;color:var(--red)}
.t-orange{background:#fdf1e7;color:var(--orange)}
.t-yellow{background:#fdf8e6;color:#a37c05}
.t-blue{background:#eaf1fb;color:var(--blue)}
.t-green{background:#e9f7ef;color:var(--green)}
.t-gray{background:#eef1f5;color:#6b7c8f}
/* 按钮 & 表单 */
.btn{display:inline-block;padding:4px 11px;border-radius:7px;border:1px solid var(--line);background:#fff;color:#33475b;font-size:12px;cursor:pointer}
.btn:hover{border-color:#c7d6e4}
.btn.pri{background:var(--navy);border-color:var(--navy);color:#fff}
.btn.pri:hover{background:var(--navy-d)}
.btn.green{background:var(--green);border-color:var(--green);color:#fff}
.btn.red{background:var(--red);border-color:var(--red);color:#fff}
.btn.sm{padding:2px 8px;font-size:11px}
input,select,textarea{width:100%;padding:5px 8px;border:1px solid var(--line);border-radius:7px;font-size:12px;font-family:inherit;background:#fff}
input:focus,select:focus,textarea:focus{outline:none;border-color:var(--cyan)}
label{font-size:11.5px;color:var(--gray);display:block;margin-bottom:3px}
.grid2{display:grid;grid-template-columns:1fr 1fr;gap:10px}
.grid3{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
.grid4{display:grid;grid-template-columns:repeat(4,1fr);gap:10px}
.field{margin-bottom:8px}
/* 工具条 */
.toolbar{display:flex;gap:8px;align-items:center;flex-wrap:wrap;margin-bottom:10px}
.toolbar form{display:flex;gap:8px;align-items:center}
.toolbar input,.toolbar select{width:auto;min-width:120px}
.toolbar .sp{flex:1}
/* 进度条 */
.bar{height:8px;background:#eef2f7;border-radius:99px;overflow:hidden}
.bar i{display:block;height:100%;background:linear-gradient(90deg,var(--cyan),var(--navy))}
/* 提示 */
.flash{background:#e9f7ef;border:1px solid #bfe6cd;color:#146c43;padding:7px 11px;border-radius:8px;margin-bottom:10px;font-size:12px}
.empty{color:#8a99a8;text-align:center;padding:26px 0;font-size:13px}
/* 登录页 */
.login-wrap{min-height:100vh;display:grid;place-items:center;background:linear-gradient(150deg,#0f2c47,#1f4e79 60%,#1a6a86)}
.login-box{width:380px;background:#fff;border-radius:16px;padding:34px 32px;box-shadow:0 24px 60px rgba(8,25,40,.35)}
.login-box .logo{width:44px;height:44px;border-radius:11px;background:linear-gradient(135deg,#1f4e79,#0eb0c9);display:grid;place-items:center;color:#fff;font-weight:800;margin-bottom:16px}
.login-box h1{font-size:20px;color:var(--navy);margin-bottom:4px}
.login-box p{color:var(--gray);font-size:12.5px;margin-bottom:22px}
.login-box .err{background:#fdecec;color:var(--red);padding:8px 12px;border-radius:8px;font-size:12.5px;margin-bottom:12px}
/* 大屏 */
.screen{background:#08182a;min-height:100vh;color:#dbe7f1;padding:20px 26px}
.screen h1{font-size:22px;color:#fff;text-align:center;margin-bottom:18px;letter-spacing:2px}
.screen .kpis .kpi{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.12)}
.screen .kpis .kpi .v{color:#64ffda}
.screen .card{background:rgba(255,255,255,.05);border-color:rgba(255,255,255,.12)}
.screen table th{background:rgba(255,255,255,.07);color:#bcd3e6}
.screen td{border-color:rgba(255,255,255,.08)}
@media (max-width:1100px){.kpis{grid-template-columns:repeat(3,1fr)}.grid4{grid-template-columns:1fr 1fr}}
@media (max-width:860px){
  .side{width:64px}
  .side .brand b,.side .brand small,.nav a span,.side .who b,.side .who a{display:none}
  .nav a{justify-content:center;padding:11px 0}
  .kpis{grid-template-columns:1fr 1fr}
  .grid2,.grid3,.grid4{grid-template-columns:1fr}
  .content{padding:16px}
}