@font-face {
  font-family: "Source Han Sans CN";
  src: url("./fonts/SourceHanSansCN-Regular.otf") format("opentype");
  font-style: normal;
  font-weight: 400;
  font-display: swap;
}

@font-face {
  font-family: "Source Han Sans CN";
  src: url("./fonts/SourceHanSansCN-Bold.otf") format("opentype");
  font-style: normal;
  font-weight: 700;
  font-display: swap;
}

:root {
  color: #17222b;
  background: #f3f6f7;
  font-family: "Source Han Sans CN", sans-serif;
  font-synthesis: none;
  text-rendering: optimizeLegibility;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  min-width: 320px;
  background:
    radial-gradient(circle at 86% 0%, rgba(46, 181, 158, 0.12), transparent 28rem),
    #f3f6f7;
}

a {
  color: #087968;
}

.report-header {
  min-height: 58px;
  padding: 0 max(24px, calc((100vw - 1120px) / 2));
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border-bottom: 1px solid #d9e1e4;
  background: rgba(255, 255, 255, 0.92);
}

.report-brand {
  color: #10212c;
  font-size: 17px;
  font-weight: 800;
  text-decoration: none;
}

.report-header nav {
  display: flex;
  gap: 20px;
}

.report-header nav a {
  color: #536672;
  font-size: 14px;
  font-weight: 600;
  text-decoration: none;
}

.report-main {
  width: min(1120px, calc(100% - 32px));
  margin: 0 auto;
  padding: 30px 0 64px;
}

.breadcrumbs {
  margin-bottom: 30px;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  color: #71818b;
  font-size: 13px;
}

.breadcrumbs a {
  color: #536672;
  text-decoration: none;
}

.report-main article {
  padding: clamp(24px, 5vw, 64px);
  border: 1px solid #d8e1e4;
  border-radius: 14px;
  background: #fff;
  box-shadow: 0 22px 70px rgba(31, 52, 63, 0.07);
}

.report-eyebrow {
  margin: 0 0 12px;
  color: #148e7c;
  font-size: 13px;
  font-weight: 800;
  letter-spacing: 0.06em;
  text-transform: uppercase;
}

h1 {
  max-width: 940px;
  margin: 0;
  color: #132530;
  font-size: clamp(28px, 4vw, 48px);
  line-height: 1.22;
  letter-spacing: -0.025em;
}

.report-lead {
  max-width: 900px;
  margin: 22px 0 0;
  color: #4b606c;
  font-size: 18px;
  line-height: 1.8;
}

.metric-grid {
  margin: 32px 0;
  padding: 0;
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 10px;
  list-style: none;
}

.metric-grid li {
  min-width: 0;
  padding: 16px;
  display: grid;
  gap: 5px;
  border: 1px solid #dbe6e8;
  border-radius: 9px;
  background: #f7faf9;
}

.metric-grid span {
  color: #6a7d87;
  font-size: 12px;
}

.metric-grid strong {
  overflow-wrap: anywhere;
  color: #172d38;
  font-size: 20px;
}

.metric-grid em {
  color: #148e7c;
  font-size: 13px;
  font-style: normal;
  font-weight: 700;
}

.report-chart {
  margin: 38px 0;
}

.report-chart a {
  display: block;
  overflow: hidden;
  border: 1px solid #d9e2e5;
  border-radius: 10px;
  background: #fff;
}

.report-chart img {
  width: 100%;
  height: auto;
  display: block;
}

.report-chart figcaption {
  margin-top: 10px;
  color: #71818b;
  font-size: 12px;
  text-align: center;
}

.report-copy {
  max-width: 820px;
  margin: 0 auto;
}

.report-copy section {
  margin-top: 42px;
}

.report-copy h2,
.related-reports h2 {
  margin: 0 0 14px;
  color: #18303b;
  font-size: 24px;
  line-height: 1.4;
}

.report-copy p {
  margin: 14px 0;
  color: #354b56;
  font-size: 17px;
  line-height: 1.95;
}

.source-card {
  max-width: 820px;
  margin: 44px auto 0;
  padding: 20px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  border: 1px solid #b9ddd7;
  border-radius: 10px;
  background: #eff9f7;
}

.source-card strong {
  color: #183d38;
}

.source-card p {
  margin: 5px 0 0;
  color: #55706c;
  font-size: 13px;
  line-height: 1.6;
}

.source-card > a {
  flex: 0 0 auto;
  padding: 11px 15px;
  border-radius: 7px;
  color: #fff;
  background: #148e7c;
  font-size: 13px;
  font-weight: 700;
  text-decoration: none;
}

.related-reports {
  margin-top: 36px;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid #d8e1e4;
  border-radius: 12px;
  background: #fff;
}

.related-reports ul {
  margin: 0;
  padding-left: 20px;
  display: grid;
  gap: 12px;
}

.related-reports a {
  font-weight: 650;
  text-decoration: none;
}

.report-byline {
  margin: 0 0 18px;
  color: #71818b;
  font-size: 13px;
}

.report-tags {
  margin: 24px 0 0;
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}

.report-tags span {
  padding: 4px 10px;
  border: 1px solid #d8e1e4;
  border-radius: 999px;
  color: #55646d;
  font-size: 12px;
}

.report-index {
  margin: 28px 0 0;
  padding: 0;
  list-style: none;
  display: grid;
  gap: 18px;
  grid-template-columns: repeat(auto-fill, minmax(320px, 1fr));
}

.report-card a {
  display: flex;
  flex-direction: column;
  height: 100%;
  border: 1px solid #d8e1e4;
  border-radius: 12px;
  background: #fff;
  overflow: hidden;
  text-decoration: none;
  color: inherit;
}

.report-card img {
  width: 100%;
  height: auto;
  display: block;
  border-bottom: 1px solid #e6edef;
  background: #fff;
}

.report-card-meta {
  padding: 14px 16px 0;
  color: #71818b;
  font-size: 12px;
  letter-spacing: 0.04em;
}

.report-card-title {
  padding: 6px 16px 0;
  font-size: 16px;
  font-weight: 700;
  line-height: 1.5;
}

.report-card-metric {
  padding: 8px 16px 16px;
  color: #55646d;
  font-size: 13px;
}

.report-cta {
  margin-top: 36px;
  padding: clamp(22px, 4vw, 38px);
  border: 1px solid #d8e1e4;
  border-radius: 12px;
  background: #fff;
}

.report-cta h2 {
  margin: 0 0 10px;
  font-size: 19px;
}

.report-cta p {
  margin: 0 0 8px;
  color: #55646d;
  line-height: 1.7;
}

.report-cta a,
.related-reports > p a {
  font-weight: 700;
  text-decoration: none;
}

.report-footer {
  padding: 26px 20px;
  border-top: 1px solid #d9e1e4;
  color: #71818b;
  background: #fff;
  font-size: 12px;
  text-align: center;
}

.report-footer p {
  margin: 0 0 6px;
}

.report-footer a {
  color: #2f6f8f;
  font-weight: 650;
  text-decoration: none;
}

@media (max-width: 760px) {
  .report-index {
    grid-template-columns: minmax(0, 1fr);
  }

  .report-header {
    padding: 0 16px;
  }

  .report-header nav {
    gap: 12px;
  }

  .report-header nav a {
    font-size: 12px;
  }

  .report-main {
    width: min(100% - 20px, 1120px);
    padding-top: 20px;
  }

  .report-main article {
    padding: 24px 18px 32px;
  }

  .report-lead,
  .report-copy p {
    font-size: 16px;
  }

  .metric-grid {
    grid-template-columns: repeat(2, minmax(0, 1fr));
  }

  .metric-grid strong {
    font-size: 17px;
  }

  .source-card {
    align-items: stretch;
    flex-direction: column;
  }

  .source-card > a {
    text-align: center;
  }
}