:root{
  --red:#E60012; --red-soft:#fff1f0;
  --ink:#1d1d1f; --sub:#6e6e73; --muted:#86868b;
  --line:rgba(0,0,0,.08); --line-strong:#d2d2d7;
  --bg:#f5f5f7; --card:#ffffff; --fill:#f5f5f7;
  --ok:#1d7a3f; --warn:#9a5b00; --bad:#b42318;
  --shadow:0 1px 2px rgba(0,0,0,.04), 0 8px 24px rgba(0,0,0,.04);
  --radius:18px;
}
*{box-sizing:border-box;margin:0;padding:0}
html{-webkit-font-smoothing:antialiased}
body{
  font-family:-apple-system,BlinkMacSystemFont,"SF Pro SC","SF Pro Text","PingFang SC","Helvetica Neue","Microsoft YaHei",sans-serif;
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.5;
}
button,input,select,textarea{font-family:inherit;font-size:14px;color:inherit}
.hidden{display:none!important}

/* ---------- 登录 ---------- */
.login{min-height:100vh;display:flex;align-items:center;justify-content:center;background:
  radial-gradient(1200px 600px at 20% 0%, #fff 0%, #f5f5f7 60%)}
.login .box{width:380px;background:rgba(255,255,255,.86);backdrop-filter:saturate(180%) blur(20px);
  border:1px solid rgba(0,0,0,.06);border-radius:24px;padding:36px 32px;box-shadow:0 20px 60px rgba(0,0,0,.08)}
.login h1{font-size:24px;letter-spacing:-.02em;margin-bottom:6px}
.login p{color:var(--sub);font-size:13px;margin-bottom:26px}
.login label{display:block;font-size:12px;color:var(--sub);margin:14px 0 6px}
.login input{width:100%;border:1px solid var(--line-strong);border-radius:12px;padding:12px 14px;background:#fff;outline:none}
.login input:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(230,0,18,.08)}
.login button{width:100%;margin-top:22px;border:none;border-radius:12px;padding:13px;
  background:var(--red);color:#fff;font-weight:600;font-size:15px;cursor:pointer}
.login button:hover{background:#c90010}
.login .err{color:var(--bad);font-size:12px;margin-top:12px;min-height:16px}

/* ---------- 框架 ---------- */
.shell{display:flex;min-height:100vh}
.side{width:216px;background:#fbfbfd;border-right:1px solid var(--line);position:sticky;top:0;height:100vh;
  padding:20px 12px;display:flex;flex-direction:column}
.logo{display:flex;align-items:center;gap:9px;font-weight:600;font-size:14px;padding:2px 10px 18px;border-bottom:1px solid var(--line);margin-bottom:12px}
.logo i{width:28px;height:28px;border-radius:9px;background:var(--red);color:#fff;display:flex;align-items:center;justify-content:center;font-style:normal;font-size:13px}
.nav{flex:1}
.nav a{display:flex;align-items:center;gap:9px;padding:9px 12px;border-radius:10px;color:var(--ink);text-decoration:none;margin-bottom:2px;cursor:pointer;font-size:13.5px}
.nav a:hover{background:#f0f0f2}
.nav a.on{background:#e8e8ed;font-weight:600}
.side .foot{font-size:11px;color:var(--muted);line-height:1.6;padding:0 10px}
.main{flex:1;min-width:0;padding:0 28px 40px}
.top{position:sticky;top:0;z-index:5;background:rgba(245,245,247,.82);backdrop-filter:saturate(180%) blur(20px);
  margin:0 -28px 22px;padding:16px 28px;display:flex;align-items:center;justify-content:space-between;border-bottom:1px solid var(--line)}
.top h2{font-size:22px;letter-spacing:-.02em;font-weight:600}
.top .who{font-size:12px;color:var(--sub)}
.top .who b{color:var(--ink);font-weight:600}
.top button{border:1px solid var(--line-strong);background:#fff;border-radius:20px;padding:6px 14px;cursor:pointer;color:var(--sub);margin-left:10px;font-size:12px}

/* ---------- 卡片 ---------- */
.card{background:var(--card);border-radius:var(--radius);padding:22px 24px;border:1px solid rgba(0,0,0,.04);
  box-shadow:var(--shadow);margin-bottom:16px}
.card h3{font-size:15px;font-weight:600;margin-bottom:16px;letter-spacing:-.01em;display:flex;align-items:center;gap:8px}
.card h3::before{content:"";width:3px;height:14px;background:var(--red);border-radius:2px}
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-bottom:16px}
.stat{background:#fff;border-radius:var(--radius);padding:20px 22px;border:1px solid rgba(0,0,0,.04);box-shadow:var(--shadow)}
.stat b{font-size:32px;font-weight:600;letter-spacing:-.03em;display:block;line-height:1.15}
.stat span{font-size:12.5px;color:var(--sub)}

/* ---------- 表格 ---------- */
table{width:100%;border-collapse:collapse;font-size:13.5px}
th{text-align:left;padding:10px 12px;color:var(--muted);font-weight:500;font-size:12px;border-bottom:1px solid var(--line-strong);white-space:nowrap}
td{padding:12px;border-bottom:1px solid var(--line);vertical-align:middle}
tr:last-child td{border-bottom:none}
tr:hover td{background:#fafafa}
.toolbar{display:flex;gap:10px;align-items:center;flex-wrap:wrap;margin-bottom:16px}
.toolbar .grow{flex:1}
select,input[type=text],input[type=date],input[type=number],input[type=password]{
  border:1px solid var(--line-strong);border-radius:10px;padding:8px 12px;background:#fff;outline:none}
select:focus,input:focus{border-color:var(--red);box-shadow:0 0 0 4px rgba(230,0,18,.07)}
.btn{border:none;border-radius:20px;padding:8px 18px;cursor:pointer;font-weight:600;font-size:13px}
.btn-p{background:var(--red);color:#fff}
.btn-p:hover{background:#c90010}
.btn-o{background:#fff;border:1px solid var(--red);color:var(--red)}
.btn-g{background:#f5f5f7;border:1px solid var(--line);color:var(--sub)}
.btn-s{padding:3px 10px;font-size:12px;border-radius:10px;font-weight:500;border:none;background:transparent;cursor:pointer}
.btn-s.link{color:var(--red)}
.btn-s.mut{color:var(--sub)}
.btn-s:hover{background:#f0f0f2}

/* ---------- 标签 ---------- */
.tag{display:inline-block;padding:3px 10px;border-radius:20px;font-size:11.5px;white-space:nowrap}
.t-ok{background:#e8f6ee;color:var(--ok)}
.t-review{background:#fff7e8;color:var(--warn)}
.t-bad{background:#fdecea;color:var(--bad)}
.t-none{background:#f1f2f5;color:#a1a1a6}
.t-blue{background:#eaf2fd;color:#1d5db8}
.mut{color:var(--sub);font-size:12px}
.empty{padding:36px;text-align:center;color:var(--muted);font-size:13px}

/* ---------- 图表 ---------- */
.bars{display:flex;align-items:flex-end;gap:14px;height:170px;padding:8px 4px 0}
.bar{flex:1;display:flex;flex-direction:column;align-items:center;gap:6px;height:100%;justify-content:flex-end}
.bar .col{width:22px;border-radius:8px 8px 3px 3px;background:linear-gradient(180deg,#ff5a4e,var(--red))}
.bar span{font-size:11px;color:var(--muted)} .bar b{font-size:11px;font-weight:600}

/* ---------- 弹层 ---------- */
.mask{position:fixed;inset:0;background:rgba(0,0,0,.32);backdrop-filter:blur(6px);display:none;
  align-items:center;justify-content:center;z-index:50;padding:20px}
.mask.on{display:flex}
.modal{background:#fff;border-radius:22px;width:720px;max-width:96vw;max-height:92vh;display:flex;flex-direction:column;
  overflow:hidden;box-shadow:0 30px 80px rgba(0,0,0,.18)}
.modal.lg{width:920px}
.modal .mh{padding:18px 22px;border-bottom:1px solid var(--line);display:flex;justify-content:space-between;align-items:center}
.modal .mh b{font-size:16px;font-weight:600}
.modal .mb{padding:20px 22px;overflow:auto;flex:1}
.modal .mf{padding:14px 22px;border-top:1px solid var(--line);display:flex;justify-content:flex-end;gap:10px}
.modal img{width:100%;border-radius:12px;border:1px solid var(--line)}
.field{margin-bottom:14px}
.field label{display:block;font-size:12px;color:var(--sub);margin-bottom:6px}
.field input,.field select,.field textarea{width:100%;border:1px solid var(--line-strong);border-radius:12px;padding:10px 12px;background:#fff;outline:none}
.field textarea{min-height:96px;resize:vertical}
.row{display:flex;gap:12px}
.row .field{flex:1}
.hint{font-size:12px;color:var(--muted);line-height:1.7}
.errbox{background:#fdf3f3;border:1px solid #f5d3d3;border-radius:12px;padding:10px 14px;margin-top:12px;font-size:12.5px;color:var(--bad);line-height:1.8}
.okbox{background:#eef8f2;border:1px solid #cfe9d9;border-radius:12px;padding:10px 14px;margin-top:12px;font-size:12.5px;color:var(--ok)}

.toast{position:fixed;left:50%;bottom:40px;transform:translateX(-50%);background:rgba(29,29,31,.9);color:#fff;
  padding:10px 20px;border-radius:20px;font-size:13px;opacity:0;transition:.2s;pointer-events:none;z-index:99}
.toast.on{opacity:1}
.banner{background:#fff8e6;border:1px solid #ffe1a6;color:#8a5a00;font-size:12px;padding:10px 16px;border-radius:12px;margin-bottom:16px;line-height:1.7}

@media (max-width:1100px){
  .stats{grid-template-columns:repeat(2,1fr)}
  .side{width:190px}
}