:root {
  --blue: #2B4C7E;
  --gold: #D9A566;
  --ink: #17253B;
  --muted: #718096;
  --line: #E7EBF0;
  --canvas: #FAFAFA;
}

* { box-sizing: border-box; }
body { margin: 0; background: var(--canvas); color: var(--ink); font-family: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", Arial, sans-serif; }
.report-header { height: 68px; padding: 0 6vw; display: flex; align-items: center; gap: 24px; background: #fff; border-bottom: 1px solid var(--line); }
.brand { font-size: 11px; font-weight: 800; letter-spacing: 1.5px; color: var(--blue); white-space: nowrap; }
.report-name { font-size: 15px; font-weight: 700; }
.period { margin-left: auto; font-size: 12px; color: var(--muted); white-space: nowrap; }
main { max-width: 1440px; margin: 0 auto; }
.insight-section { min-height: calc(100vh - 68px); padding: 76px 6vw 68px; }
.section-marker { color: var(--gold); font-size: 12px; font-weight: 800; letter-spacing: 1.3px; margin-bottom: 14px; }
h1, h2 { max-width: 1040px; margin: 0; font-size: clamp(32px, 4.1vw, 58px); line-height: 1.22; letter-spacing: -1.7px; font-weight: 800; }
.method-note { margin: 18px 0 46px; color: var(--muted); font-size: 13px; }
.story-progress { display: flex; align-items: center; gap: 10px; margin-bottom: 32px; color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 1.2px; }.story-progress span { color: var(--blue); }.story-progress i { width: 30px; height: 1px; background: var(--gold); }.story-progress b { color: var(--muted); font-weight: 600; }
.insight-block { max-width: 830px; margin: 24px 0 42px; }.insight-block p { margin: 0; color: #34445A; font-size: 18px; line-height: 1.78; }.insight-block small { display: block; margin-top: 15px; color: #8A96A5; font-size: 12px; }
.evidence-layout { display: grid; grid-template-columns: minmax(0, 1fr) 260px; gap: 32px; align-items: stretch; }
.evidence-layout-primary { align-items: start; }
.chart-card { margin: 0; padding: 22px 24px 16px; background: #fff; border: 1px solid var(--line); border-radius: 10px; box-shadow: 0 8px 25px rgba(20, 38, 61, .055); }
.card-kicker { color: var(--muted); font-size: 11px; font-weight: 700; letter-spacing: 1.2px; margin-bottom: 10px; }
.chart-card img { width: 100%; display: block; border-radius: 4px; }
figcaption { margin-top: 12px; color: var(--muted); font-size: 12px; }
.key-metrics { display: flex; flex-direction: column; gap: 14px; }
.metric-card { min-height: 145px; padding: 20px; background: #fff; border: 1px solid var(--line); border-radius: 10px; position: relative; overflow: hidden; }
.metric-card::before { content: ""; height: 4px; position: absolute; inset: 0 0 auto; }
.accent-gold::before { background: var(--gold); }.accent-blue::before { background: var(--blue); }
.metric-label { display: block; color: var(--muted); font-size: 12px; margin-bottom: 8px; }
.metric-card strong { display: block; font-size: 38px; line-height: 1; letter-spacing: -1.5px; }
.metric-card p { margin: 10px 0 0; font-size: 12px; line-height: 1.55; color: #536172; }
.reading-note { padding: 18px 20px; border-left: 3px solid var(--blue); background: #F4F7FB; }
.reading-note span { color: var(--blue); font-size: 12px; font-weight: 800; }.reading-note p { margin: 8px 0 0; font-size: 13px; line-height: 1.65; }
.evidence-notes { padding-top: 22px; }.evidence-title { margin: 0 0 15px; color: var(--muted); font-size: 12px; font-weight: 700; }.evidence-item { padding: 16px 0; border-top: 1px solid var(--line); }.evidence-item span { display: block; color: var(--muted); font-size: 12px; }.evidence-item strong { display: block; margin: 5px 0; color: var(--ink); font-size: 27px; letter-spacing: -1px; }.evidence-item p { margin: 0; color: #536172; font-size: 12px; line-height: 1.6; }
.data-notes { max-width: 900px; margin-top: 34px; padding-top: 18px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; line-height: 1.75; }.data-notes summary { cursor: pointer; color: #536172; font-weight: 700; }.data-notes p { margin: 12px 0 0; }
footer { max-width: 1440px; margin: 0 auto; padding: 22px 6vw 32px; border-top: 1px solid var(--line); color: var(--muted); font-size: 12px; }
.section-divider { border-top: 1px solid var(--line); }
@media (max-width: 840px) { .report-header { padding: 0 22px; }.brand,.period { display: none; }.insight-section { padding: 50px 22px; }.evidence-layout { grid-template-columns: 1fr; }.key-metrics { display: grid; grid-template-columns: 1fr 1fr; }.reading-note { grid-column: 1 / -1; } }
@media (max-width: 540px) { .key-metrics { display: flex; } h1 { letter-spacing: -1px; } }