* { margin: 0; padding: 0; box-sizing: border-box; }
:root {
  --blue: #2b6cb0; --blue-deep: #1F4E79;
  --ink: #1f2733; --ink-2: #4a5568; --ink-3: #8a94a6;
  --line: #e4e8ef; --panel: #ffffff; --bg: #f4f6f9;
  --red: #c53030; --orange: #c05621; --green: #2f855a;
}
body { font-family: "Microsoft YaHei", "PingFang SC", sans-serif; background: var(--bg); color: var(--ink); font-size: 13px; }
button, select, input { font-family: inherit; }

/* ---------- 布局 ---------- */
.shell { display: flex; min-height: 100vh; }
.side { width: 212px; background: #1c2b3a; color: #cfd8e3; display: flex; flex-direction: column; position: sticky; top: 0; height: 100vh; }
.brand { display: flex; gap: 11px; align-items: center; padding: 20px 16px 18px; border-bottom: 1px solid rgba(255,255,255,.08); }
.logo-dot { width: 32px; height: 32px; border-radius: 8px; background: var(--blue); flex: none; position: relative; }
.logo-dot::after { content: ''; position: absolute; left: 9px; top: 7px; width: 11px; height: 17px; border: 3px solid #fff; border-top: 0; border-radius: 0 0 4px 4px; }
.brand-name { font-size: 14px; color: #fff; font-weight: 600; }
.brand-sub { font-size: 9px; letter-spacing: .14em; color: #7d8fa3; margin-top: 3px; }
.nav { padding: 12px 10px; flex: 1; }
.nav-item { display: flex; align-items: center; width: 100%; padding: 11px 14px; margin-bottom: 4px; border: 0; background: none; color: #aeb9c7; font-size: 13.5px; border-radius: 8px; cursor: pointer; text-align: left; }
.nav-item:hover { background: rgba(255,255,255,.06); color: #fff; }
.nav-item.active { background: var(--blue); color: #fff; font-weight: 600; }
.nav-badge { margin-left: auto; background: var(--red); color: #fff; font-size: 10.5px; min-width: 18px; height: 18px; border-radius: 9px; display: inline-flex; align-items: center; justify-content: center; padding: 0 5px; }
.side-foot { padding: 14px 16px 18px; border-top: 1px solid rgba(255,255,255,.08); }
.foot-line { font-size: 11px; color: #7d8fa3; line-height: 1.7; }
.btn-refresh { margin-top: 10px; width: 100%; padding: 7px 0; border: 1px solid rgba(255,255,255,.18); background: none; color: #cfd8e3; border-radius: 7px; cursor: pointer; font-size: 12px; }
.btn-refresh:hover { background: rgba(255,255,255,.08); }
.btn-refresh:disabled { opacity: .5; cursor: default; }

.main { flex: 1; padding: 20px 26px 40px; min-width: 0; }
.topbar { display: flex; justify-content: space-between; align-items: flex-end; margin-bottom: 18px; }
.topbar h1 { font-size: 19px; font-weight: 600; }
.page-sub { color: var(--ink-3); font-size: 12px; margin-top: 4px; }
.topbar-right { color: var(--ink-3); font-size: 12px; text-align: right; line-height: 1.7; }

/* ---------- 通用组件 ---------- */
.view { animation: fade .18s ease; }
@keyframes fade { from { opacity: 0; transform: translateY(4px); } to { opacity: 1; } }
.kpi-row { display: grid; grid-template-columns: repeat(5, 1fr); gap: 14px; margin-bottom: 16px; }
.kpi { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 15px 16px; }
.kpi .k-label { color: var(--ink-3); font-size: 12px; }
.kpi .k-value { font-size: 22px; font-weight: 700; margin-top: 6px; font-variant-numeric: tabular-nums; }
.kpi .k-sub { color: var(--ink-3); font-size: 11px; margin-top: 5px; }
.k-value.neg { color: var(--red); }
.k-value.pos { color: var(--green); }
.grid-2 { display: grid; grid-template-columns: 3fr 2fr; gap: 14px; margin-bottom: 14px; }
.grid-3 { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.panel { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 14px 16px; margin-bottom: 14px; }
.panel-title { font-size: 13.5px; font-weight: 600; margin-bottom: 10px; color: var(--ink); }
.chart-lg { height: 300px; }
.chart-md { height: 250px; }
.chart-radar { height: 230px; flex: none; width: 46%; }
.health-wrap { display: flex; align-items: center; gap: 8px; }
.health-side { flex: 1; }
.h-total { font-size: 34px; font-weight: 700; }
.h-total .h-grade { font-size: 14px; padding: 3px 10px; border-radius: 20px; margin-left: 8px; vertical-align: 6px; }
.h-grade.g-good { background: #e6f4ea; color: var(--green); }
.h-grade.g-mid { background: #fef3e2; color: var(--orange); }
.h-grade.g-bad { background: #fdeaea; color: var(--red); }
.h-factor { display: flex; align-items: center; gap: 8px; margin: 7px 0; }
.h-factor .hf-name { width: 62px; color: var(--ink-2); font-size: 12px; flex: none; }
.h-factor .hf-bar { flex: 1; height: 6px; background: #edf0f5; border-radius: 3px; overflow: hidden; }
.h-factor .hf-bar i { display: block; height: 100%; background: var(--blue); border-radius: 3px; }
.h-factor .hf-score { width: 34px; text-align: right; font-size: 12px; font-variant-numeric: tabular-nums; }
.h-factor .hf-note { display: block; color: var(--ink-3); font-size: 11px; margin-top: 2px; }

.btn { padding: 7px 16px; border: 1px solid var(--line); background: #fff; border-radius: 7px; cursor: pointer; font-size: 12.5px; color: var(--ink-2); }
.btn:hover { border-color: var(--blue); color: var(--blue); }
.btn-primary { background: var(--blue); border-color: var(--blue); color: #fff; }
.btn-primary:hover { background: #245a95; color: #fff; }
.btn:disabled { opacity: .55; cursor: default; }
.select { height: 32px; border: 1px solid var(--line); border-radius: 7px; padding: 0 8px; background: #fff; font-size: 12.5px; color: var(--ink); outline: none; }
.select:focus { border-color: var(--blue); }

.table { width: 100%; border-collapse: collapse; font-size: 12.5px; }
.table th { text-align: left; color: var(--ink-3); font-weight: 500; padding: 8px 10px; border-bottom: 1px solid var(--line); white-space: nowrap; }
.table td { padding: 8px 10px; border-bottom: 1px solid #f0f2f6; font-variant-numeric: tabular-nums; }
.table tr:hover td { background: #f8fafc; }
.table-wrap { overflow-x: auto; }
.table .num { text-align: right; }
.table .neg { color: var(--red); }
.link-btn { border: 0; background: none; color: var(--blue); cursor: pointer; font-size: 12.5px; padding: 0; }

.toast { position: fixed; top: 22px; left: 50%; transform: translateX(-50%); background: #2d3748; color: #fff; padding: 9px 20px; border-radius: 8px; font-size: 13px; z-index: 99; box-shadow: 0 6px 20px rgba(0,0,0,.2); }

/* ---------- 诊断 ---------- */
.diag-bar { display: flex; justify-content: space-between; align-items: center; margin-bottom: 14px; }
.diag-chips { display: flex; gap: 10px; }
.diag-chip { background: var(--panel); border: 1px solid var(--line); border-radius: 9px; padding: 9px 18px; text-align: center; }
.diag-chip b { font-size: 19px; display: block; }
.diag-chip span { font-size: 11px; color: var(--ink-3); }
.diag-chip.lv-高 b { color: var(--red); } .diag-chip.lv-中 b { color: var(--orange); } .diag-chip.lv-低 b { color: var(--green); }
.chip-btn { border: 1px solid var(--line); background: #fff; border-radius: 20px; padding: 5px 16px; cursor: pointer; font-size: 12.5px; color: var(--ink-2); margin-left: 6px; }
.chip-btn.active { background: var(--blue); border-color: var(--blue); color: #fff; }
.diag-list { display: flex; flex-direction: column; gap: 10px; }
.alert-card { background: var(--panel); border: 1px solid var(--line); border-left: 4px solid var(--ink-3); border-radius: 9px; padding: 13px 16px; }
.alert-card.lv-高 { border-left-color: var(--red); }
.alert-card.lv-中 { border-left-color: var(--orange); }
.alert-card.lv-低 { border-left-color: var(--green); }
.alert-head { display: flex; align-items: center; gap: 9px; }
.lv-tag { font-size: 11px; padding: 2px 9px; border-radius: 4px; color: #fff; flex: none; }
.lv-tag.lv-高 { background: var(--red); } .lv-tag.lv-中 { background: var(--orange); } .lv-tag.lv-低 { background: var(--green); }
.cat-tag { font-size: 11px; color: var(--ink-3); border: 1px solid var(--line); padding: 1px 8px; border-radius: 4px; }
.alert-head b { font-size: 13.5px; }
.alert-detail { color: var(--ink-2); margin-top: 7px; line-height: 1.65; }
.alert-sug { margin-top: 7px; font-size: 12px; color: var(--blue-deep); background: #eef4fa; border-radius: 6px; padding: 7px 11px; line-height: 1.6; }
.diag-note { color: var(--ink-3); font-size: 11.5px; margin-top: 14px; }
.alert-mini-list { display: flex; flex-direction: column; gap: 8px; }
.alert-mini { display: flex; gap: 8px; align-items: flex-start; font-size: 12.5px; line-height: 1.5; cursor: pointer; }
.alert-mini .dot { width: 7px; height: 7px; border-radius: 50%; margin-top: 5px; flex: none; }
.alert-mini .dot.lv-高 { background: var(--red); } .alert-mini .dot.lv-中 { background: var(--orange); } .alert-mini .dot.lv-低 { background: var(--green); }
.alert-mini.more { color: var(--blue); }

/* ---------- 报告 ---------- */
.rep-bar { display: flex; align-items: center; gap: 10px; margin-bottom: 14px; }
.rep-bar-note { color: var(--ink-3); font-size: 11.5px; margin-left: auto; }
.rep-doc { background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 28px 34px; margin-bottom: 14px; }
.rep-empty { color: var(--ink-3); text-align: center; padding: 34px 0; }
.rep-doc h2 { font-size: 18px; text-align: center; }
.rep-meta { text-align: center; color: var(--ink-3); font-size: 12px; margin: 8px 0 20px; }
.rep-kpis { display: grid; grid-template-columns: repeat(4, 1fr); gap: 10px; margin-bottom: 18px; }
.rep-kpi { background: #f8fafc; border: 1px solid var(--line); border-radius: 8px; padding: 10px 12px; }
.rep-kpi .rk-l { font-size: 11px; color: var(--ink-3); }
.rep-kpi .rk-v { font-size: 16px; font-weight: 700; margin-top: 3px; font-variant-numeric: tabular-nums; }
.rep-sec { margin: 18px 0 8px; font-size: 14px; font-weight: 600; border-left: 3px solid var(--blue); padding-left: 9px; }
.rep-conclusions li { margin: 7px 0 7px 18px; line-height: 1.7; color: var(--ink-2); }
.rep-chart { height: 260px; margin: 12px 0; }
.rep-foot { margin-top: 20px; color: var(--ink-3); font-size: 11.5px; border-top: 1px dashed var(--line); padding-top: 12px; line-height: 1.7; }

/* ---------- 自助分析 ---------- */
.pv-bar { display: flex; align-items: flex-end; gap: 12px; flex-wrap: wrap; margin-bottom: 14px; background: var(--panel); border: 1px solid var(--line); border-radius: 10px; padding: 13px 16px; }
.pv-bar label { display: flex; flex-direction: column; gap: 5px; font-size: 12px; color: var(--ink-3); }
.pv-bar .btn { align-self: flex-end; height: 32px; }
.pv-table td, .pv-table th { white-space: nowrap; }
.pv-table .col-total { font-weight: 600; background: #f8fafc; }
.pv-table .row-total { font-weight: 600; }

@media (max-width: 1200px) {
  .kpi-row { grid-template-columns: repeat(3, 1fr); }
  .grid-2, .grid-3 { grid-template-columns: 1fr; }
}