:root{
  --ink:#1a2332; --ink2:#4a5568; --ink3:#8a94a6;
  --bg:#f5f7fa; --card:#fff; --line:#e4e8ef;
  --brand:#1b6b5a; --brand2:#2a8f78; --brand-soft:#e6f2ef;
  --accent:#c8663a; --accent-soft:#fbeee7;
  --warn:#c0392b; --warn-soft:#fdecea;
  --ok:#1e7a5a; --ok-soft:#e7f5ef;
  --info:#2c5aa0; --info-soft:#e9f0fa;
  --shadow:0 1px 3px rgba(20,30,50,.06),0 6px 20px rgba(20,30,50,.06);
  --r:12px;
}
*{box-sizing:border-box;margin:0;padding:0}
body{
  font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  background:var(--bg); color:var(--ink); font-size:14px; line-height:1.65;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:600;line-height:1.35}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}

/* ---------- topbar ---------- */
.topbar{
  height:64px; background:#fff; border-bottom:1px solid var(--line);
  display:flex; align-items:center; justify-content:space-between;
  padding:0 22px; position:sticky; top:0; z-index:100;
}
.brand{display:flex;align-items:center;gap:12px}
.logo{
  width:38px;height:38px;border-radius:10px;
  background:linear-gradient(135deg,var(--brand),var(--brand2));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
}
.brand-txt h1{font-size:16px;letter-spacing:.2px}
.brand-txt p{font-size:11.5px;color:var(--ink3);margin-top:1px}
.topbar-right{display:flex;align-items:center;gap:14px}
.dest-chip{
  display:flex;align-items:center;gap:9px;background:var(--brand-soft);
  padding:6px 14px;border-radius:20px;
}
.dest-chip strong{font-size:13px;color:var(--brand);display:block;line-height:1.3}
.dest-chip small{font-size:11px;color:var(--brand2);opacity:.85}
.dot{width:7px;height:7px;border-radius:50%;background:var(--brand2);flex-shrink:0}
.btn-ghost{
  border:1px solid var(--line);padding:7px 14px;border-radius:8px;
  font-size:13px;color:var(--ink2);background:#fff;transition:.15s;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand)}

/* 用户信息 */
.user-chip{
  display:flex;align-items:center;gap:9px;background:#fff;
  border:1px solid var(--line);padding:5px 12px 5px 6px;border-radius:20px;
}
.user-chip .avatar{
  width:28px;height:28px;border-radius:50%;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:600;flex-shrink:0;
}
.user-chip .user-txt{line-height:1.25;}
.user-chip strong{display:block;font-size:13px;color:var(--ink);}
.user-chip small{font-size:11px;color:var(--ink3);}

/* ---------- layout ---------- */
.layout{display:flex;min-height:calc(100vh - 64px)}
.sidebar{
  width:228px;flex-shrink:0;background:#fff;border-right:1px solid var(--line);
  padding:16px 0;position:sticky;top:64px;height:calc(100vh - 64px);overflow-y:auto;
}
.nav-group{margin-bottom:16px}
.nav-label{
  font-size:11px;color:var(--ink3);font-weight:600;letter-spacing:1px;
  padding:0 22px 7px;text-transform:uppercase;
}
.nav-item{
  display:flex;align-items:center;gap:10px;width:100%;text-align:left;
  padding:9px 22px;font-size:13.5px;color:var(--ink2);transition:.13s;border-left:3px solid transparent;
}
.nav-item:hover{background:var(--bg);color:var(--ink)}
.nav-item.active{
  background:var(--brand-soft);color:var(--brand);font-weight:600;
  border-left-color:var(--brand);
}
.ni{
  width:20px;height:20px;border-radius:5px;background:var(--bg);
  display:flex;align-items:center;justify-content:center;
  font-size:11px;color:var(--ink3);flex-shrink:0;font-weight:600;
}
.nav-item.active .ni{background:var(--brand);color:#fff}

.content{flex:1;padding:24px 28px 60px;max-width:1320px}

/* ---------- common ---------- */
.loading{padding:80px;text-align:center;color:var(--ink3)}
.page-head{margin-bottom:20px}
.page-head h2{font-size:21px;margin-bottom:6px}
.page-head .sub{color:var(--ink2);font-size:13.5px;max-width:900px}

.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:20px;box-shadow:var(--shadow);margin-bottom:18px;
}
.card-h{
  display:flex;align-items:center;justify-content:space-between;
  margin-bottom:14px;padding-bottom:12px;border-bottom:1px solid var(--line);
}
.card-h h3{font-size:15px}
.card-h .tag{
  font-size:11.5px;padding:3px 9px;border-radius:5px;
  background:var(--info-soft);color:var(--info);font-weight:500;
}

.grid{display:grid;gap:16px}
.g2{grid-template-columns:1fr 1fr}
.g3{grid-template-columns:repeat(3,1fr)}
.g4{grid-template-columns:repeat(4,1fr)}
@media(max-width:1100px){.g3,.g4{grid-template-columns:1fr 1fr}}
@media(max-width:760px){.g2,.g3,.g4{grid-template-columns:1fr}}

/* KPI */
.kpi{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r);
  padding:16px 18px;box-shadow:var(--shadow);
}
.kpi .k-l{font-size:12px;color:var(--ink3);margin-bottom:6px}
.kpi .k-v{font-size:25px;font-weight:700;letter-spacing:-.5px;line-height:1.2}
.kpi .k-u{font-size:13px;font-weight:500;color:var(--ink2);margin-left:2px}
.kpi .k-f{font-size:11.5px;color:var(--ink3);margin-top:5px}
.kpi.good .k-v{color:var(--ok)}
.kpi.warn .k-v{color:var(--accent)}
.kpi.bad .k-v{color:var(--warn)}

/* task banner */
.task{
  background:linear-gradient(100deg,#1b6b5a,#2a8f78);color:#fff;
  border-radius:var(--r);padding:20px 24px;margin-bottom:18px;
}
.task .t-tag{
  display:inline-block;background:rgba(255,255,255,.2);padding:3px 11px;
  border-radius:20px;font-size:11.5px;margin-bottom:9px;font-weight:500;
}
.task h3{font-size:17px;margin-bottom:8px}
.task p{font-size:13.5px;opacity:.93;max-width:980px}
.task .t-steps{
  display:flex;gap:8px;margin-top:14px;flex-wrap:wrap;
}
.task .t-steps span{
  background:rgba(255,255,255,.16);padding:5px 12px;border-radius:7px;font-size:12px;
}

/* checklist */
.steps{counter-reset:s;margin:0;padding:0;list-style:none}
.steps li{
  counter-increment:s;position:relative;padding:11px 0 11px 40px;
  border-bottom:1px dashed var(--line);font-size:13.5px;
}
.steps li:last-child{border-bottom:none}
.steps li::before{
  content:counter(s);position:absolute;left:0;top:11px;
  width:24px;height:24px;border-radius:50%;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.steps li b{color:var(--brand)}
.steps li .why{
  display:block;font-size:12.5px;color:var(--ink2);margin-top:3px;
  padding-left:0;
}

/* answer box */
.answer{
  width:100%;min-height:110px;border:1.5px dashed var(--line);border-radius:9px;
  padding:12px 14px;font-size:13.5px;font-family:inherit;resize:vertical;
  background:#fcfdfe;color:var(--ink);line-height:1.7;
}
.answer:focus{outline:none;border-color:var(--brand);border-style:solid;background:#fff}
.answer-hint{font-size:12px;color:var(--ink3);margin:7px 0 9px;display:flex;gap:6px;align-items:flex-start}
.answer-hint::before{content:"▸";color:var(--brand)}

/* buttons */
.btn{
  display:inline-flex;align-items:center;gap:7px;padding:9px 18px;border-radius:8px;
  font-size:13.5px;font-weight:500;transition:.15s;
}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand2)}
.btn-accent{background:var(--accent);color:#fff}
.btn-accent:hover{filter:brightness(1.08)}
.btn-line{border:1px solid var(--line);color:var(--ink2);background:#fff}
.btn-line:hover{border-color:var(--brand);color:var(--brand)}
.btn-row{display:flex;gap:10px;flex-wrap:wrap;margin-top:14px}

/* feedback */
.fb{border-radius:9px;padding:14px 16px;margin-top:14px;font-size:13.5px;line-height:1.75}
.fb.ok{background:var(--ok-soft);border-left:3px solid var(--ok)}
.fb.warn{background:var(--warn-soft);border-left:3px solid var(--warn)}
.fb.info{background:var(--info-soft);border-left:3px solid var(--info)}
.fb b{font-weight:600}
.fb ul{margin:7px 0 0 18px}
.fb li{margin-bottom:4px}

/* table */
.tbl-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:9px}
table{width:100%;border-collapse:collapse;font-size:12.5px}
th,td{padding:8px 11px;text-align:left;border-bottom:1px solid var(--line);white-space:nowrap}
th{background:#f8fafc;font-weight:600;color:var(--ink2);font-size:12px;position:sticky;top:0}
tbody tr:hover{background:#fafbfc}
tbody tr:last-child td{border-bottom:none}
td.num,th.num{text-align:right;font-variant-numeric:tabular-nums}
.bar-cell{display:flex;align-items:center;gap:8px}
.bar{height:7px;background:var(--brand-soft);border-radius:4px;min-width:2px}

/* chart */
.chart{width:100%;height:auto;display:block}
.chart-legend{display:flex;gap:16px;flex-wrap:wrap;font-size:12px;margin-top:10px;color:var(--ink2)}
.chart-legend i{width:11px;height:11px;border-radius:3px;display:inline-block;margin-right:5px;vertical-align:-1px}
.ctrl-row{
  display:flex;gap:16px;align-items:center;flex-wrap:wrap;
  padding:11px 14px;background:#f8fafc;border-radius:9px;margin-bottom:14px;font-size:12.5px;
}
.ctrl-row label{color:var(--ink2);font-weight:500}
select,input[type=text],input[type=number]{
  border:1px solid var(--line);border-radius:7px;padding:6px 10px;font-size:12.5px;
  font-family:inherit;background:#fff;color:var(--ink);
}
select:focus,input:focus{outline:none;border-color:var(--brand)}

/* pills */
.pill{
  display:inline-block;padding:2px 9px;border-radius:20px;font-size:11.5px;font-weight:500;
}
.pill-red{background:var(--warn-soft);color:var(--warn)}
.pill-amber{background:var(--accent-soft);color:var(--accent)}
.pill-green{background:var(--ok-soft);color:var(--ok)}
.pill-blue{background:var(--info-soft);color:var(--info)}
.pill-grey{background:#eef1f5;color:var(--ink2)}

/* note */
.note{
  background:#fffdf6;border:1px solid #f0e4c8;border-left:3px solid #d9a441;
  border-radius:8px;padding:12px 15px;font-size:12.5px;color:#6b5a32;margin:12px 0;
}
.note b{color:#4d4020}
.note.blue{background:#f4f8fd;border-color:#cfe0f5;border-left-color:#4a7fbd;color:#2f4f75}
.note.blue b{color:#20395a}

/* data quality */
.dq-item{
  display:flex;gap:13px;padding:13px 0;border-bottom:1px solid var(--line);align-items:flex-start;
}
.dq-item:last-child{border-bottom:none}
.dq-badge{
  min-width:62px;text-align:center;padding:4px 8px;border-radius:6px;font-size:11px;font-weight:600;
  background:var(--warn-soft);color:var(--warn);flex-shrink:0;
}
.dq-badge.fixed{background:var(--ok-soft);color:var(--ok)}
.dq-txt{flex:1;font-size:13px}
.dq-txt b{color:var(--ink)}
.dq-txt p{color:var(--ink2);font-size:12.5px;margin-top:3px}

/* workbench */
.wb-item{
  display:flex;gap:13px;align-items:center;padding:12px 14px;border:1px solid var(--line);
  border-radius:9px;margin-bottom:9px;background:#fff;
}
.wb-item:hover{border-color:var(--brand)}
.wb-idx{
  width:26px;height:26px;border-radius:7px;background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:12.5px;flex-shrink:0;
}
.wb-txt{flex:1;font-size:13px}
.wb-txt b{display:block;font-size:13.5px;margin-bottom:2px}
.wb-txt small{color:var(--ink3);font-size:12px}
.wb-status{font-size:12px;padding:3px 10px;border-radius:20px;white-space:nowrap}
.wb-empty{text-align:center;padding:30px;color:var(--ink3);font-size:13px}

/* ethics */
.eth-card{border:1px solid var(--line);border-radius:10px;padding:16px;margin-bottom:12px;background:#fff}
.eth-q{font-weight:600;font-size:14px;margin-bottom:9px}
.eth-opts{display:flex;flex-direction:column;gap:7px;margin-bottom:10px}
.eth-opt{
  padding:9px 13px;border:1px solid var(--line);border-radius:8px;font-size:13px;
  cursor:pointer;transition:.13s;background:#fff;
}
.eth-opt:hover{border-color:var(--brand);background:var(--brand-soft)}
.eth-opt.right{border-color:var(--ok);background:var(--ok-soft)}
.eth-opt.wrong{border-color:var(--warn);background:var(--warn-soft)}
.eth-exp{
  font-size:12.5px;padding:11px 13px;border-radius:8px;background:var(--info-soft);
  color:#254a75;line-height:1.7;display:none;
}
.eth-exp.show{display:block}

/* modal */
.modal{
  position:fixed;inset:0;background:rgba(20,28,40,.45);display:none;
  align-items:center;justify-content:center;z-index:1000;padding:24px;
}
.modal.show{display:flex}
.modal-box{
  background:#fff;border-radius:14px;max-width:760px;width:100%;
  max-height:82vh;overflow-y:auto;box-shadow:0 20px 60px rgba(0,0,0,.25);
}
.modal-head{
  padding:18px 22px;border-bottom:1px solid var(--line);
  display:flex;justify-content:space-between;align-items:center;position:sticky;top:0;background:#fff;
}
.modal-head h3{font-size:16px}
.modal-close{font-size:24px;color:var(--ink3);line-height:1;padding:0 4px}
.modal-close:hover{color:var(--ink)}
.modal-body{padding:22px;font-size:13.5px;line-height:1.8}
.modal-body h4{margin:16px 0 7px;font-size:14px;color:var(--brand)}
.modal-body ul{margin:7px 0 12px 19px}
.modal-body li{margin-bottom:5px}

/* toast */
.toast{
  position:fixed;bottom:26px;left:50%;transform:translateX(-50%) translateY(70px);
  background:var(--ink);color:#fff;padding:11px 22px;border-radius:9px;font-size:13.5px;
  opacity:0;transition:.3s;z-index:2000;pointer-events:none;box-shadow:0 8px 24px rgba(0,0,0,.2);
}
.toast.show{opacity:1;transform:translateX(-50%) translateY(0)}

.mono{font-family:"SF Mono",Consolas,monospace;font-size:12px}
.muted{color:var(--ink3)}
.sp{margin-top:16px}
.small{font-size:12.5px}
hr.sep{border:none;border-top:1px solid var(--line);margin:16px 0}