:root {
  color-scheme: light;
  --ink: #142033;
  --muted: #5f6b7a;
  --line: #dfe5ec;
  --surface: #ffffff;
  --surface-muted: #f5f8fb;
  --accent: #1769aa;
  --accent-soft: #e9f3fb;
  --warning: #8a5a00;
  --warning-soft: #fff6df;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: #eef3f8;
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.72;
}

a {
  color: var(--accent);
}

.page-shell {
  width: min(100% - 32px, 960px);
  margin: 0 auto;
  padding: 36px 0 56px;
}

.hero,
.content-card,
.footer-card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 18px;
  box-shadow: 0 10px 32px rgba(22, 42, 67, 0.06);
}

.hero {
  padding: 34px 36px 28px;
  margin-bottom: 18px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 0.9rem;
  font-weight: 700;
  letter-spacing: 0.08em;
}

h1,
h2,
h3 {
  line-height: 1.3;
}

h1 {
  margin: 0;
  font-size: clamp(1.85rem, 4vw, 2.7rem);
}

h2 {
  margin: 0 0 12px;
  font-size: 1.45rem;
}

h3 {
  margin: 22px 0 8px;
  font-size: 1.08rem;
}

p,
ul,
ol {
  margin: 0 0 12px;
}

ul,
ol {
  padding-left: 1.4rem;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 20px;
  margin-top: 16px;
  color: var(--muted);
  font-size: 0.92rem;
}

.draft-notice {
  margin-top: 22px;
  padding: 14px 16px;
  color: var(--warning);
  background: var(--warning-soft);
  border: 1px solid #f1d38b;
  border-radius: 12px;
}

.content-card {
  padding: 30px 36px;
  margin-bottom: 18px;
}

.content-card + .content-card {
  margin-top: 18px;
}

.data-table {
  width: 100%;
  border-collapse: collapse;
  margin: 16px 0 8px;
  font-size: 0.95rem;
}

.data-table th,
.data-table td {
  padding: 11px 12px;
  text-align: left;
  vertical-align: top;
  border: 1px solid var(--line);
}

.data-table th {
  color: #213b58;
  background: var(--surface-muted);
  font-weight: 700;
}

.callout {
  margin: 16px 0;
  padding: 15px 17px;
  background: var(--accent-soft);
  border-left: 4px solid var(--accent);
  border-radius: 8px;
}

.placeholder {
  color: var(--warning);
  font-weight: 700;
}

.page-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 10px 18px;
  margin-top: 20px;
  font-weight: 600;
}

.footer-card {
  padding: 20px 24px;
  color: var(--muted);
  font-size: 0.9rem;
}

@media (max-width: 640px) {
  .page-shell {
    width: min(100% - 20px, 960px);
    padding-top: 14px;
  }

  .hero,
  .content-card {
    padding: 24px 20px;
    border-radius: 14px;
  }

  .data-table {
    display: block;
    overflow-x: auto;
    white-space: normal;
  }
}