:root {
  color-scheme: light;
  --ink: #24364b;
  --muted: #617187;
  --line: #dbe5ee;
  --blue: #1263e6;
  --teal: #0e9384;
  --orange: #d97706;
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background: #f3f7fa;
  font-family: "Microsoft YaHei", "PingFang SC", system-ui, sans-serif;
}

.legal-shell {
  width: min(860px, calc(100% - 28px));
  margin: 28px auto;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
}

.legal-head {
  padding: 22px 24px 18px;
  border-bottom: 1px solid var(--line);
  background: #f7fbff;
}

.legal-head a {
  color: var(--blue);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

h1 {
  margin: 14px 0 6px;
  font-size: 26px;
}

.legal-meta,
.legal-lead {
  margin: 0;
  color: var(--muted);
  font-size: 13px;
  line-height: 1.7;
}

.legal-body {
  padding: 6px 24px 26px;
}

.legal-body section {
  padding: 17px 0;
  border-bottom: 1px solid #e8eef3;
}

.legal-body section:last-child { border-bottom: 0; }

h2 {
  margin: 0 0 8px;
  font-size: 17px;
}

p,
li {
  color: #43546a;
  font-size: 14px;
  line-height: 1.75;
}

ul { margin: 7px 0 0; padding-left: 22px; }

.legal-note {
  padding: 12px 14px;
  border-left: 4px solid var(--orange);
  background: #fff9f1;
}

.legal-contact {
  padding: 12px 14px;
  border-left: 4px solid var(--teal);
  background: #f1faf7;
}

.science-summary {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 12px;
  margin: 18px 0 4px;
}

.science-summary article {
  padding: 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: #f8fbfd;
}

.science-summary strong,
.science-source strong {
  display: block;
  margin-bottom: 4px;
  color: var(--ink);
}

.science-summary p { margin: 0; font-size: 13px; }

.science-source-list {
  display: grid;
  gap: 10px;
  margin-top: 12px;
}

.science-source {
  display: grid;
  grid-template-columns: 190px minmax(0, 1fr);
  gap: 14px;
  padding: 13px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  color: inherit;
  text-decoration: none;
}

.science-source:hover { border-color: #9fc9bd; background: #f5fbf9; }
.science-source span { color: #526478; font-size: 13px; line-height: 1.7; }
.science-boundary { border-left: 4px solid var(--teal); background: #f1faf7; }

@media (max-width: 600px) {
  .legal-shell { margin: 0; width: 100%; border: 0; border-radius: 0; }
  .legal-head, .legal-body { padding-left: 18px; padding-right: 18px; }
  h1 { font-size: 22px; }
  .science-summary { grid-template-columns: 1fr; }
  .science-source { grid-template-columns: 1fr; gap: 3px; }
}