:root {
  color-scheme: light dark;
  --bg: #f5f0e6;
  --paper: rgba(255, 252, 244, 0.86);
  --paper-solid: #fffaf0;
  --ink: #171a17;
  --muted: #6f716a;
  --line: rgba(44, 122, 123, 0.18);
  --teal: #1f8e8c;
  --teal-soft: #e7f5f1;
  --shadow: rgba(41, 39, 30, 0.08);
}

@media (prefers-color-scheme: dark) {
  :root {
    --bg: #091410;
    --paper: rgba(20, 35, 29, 0.88);
    --paper-solid: #14231d;
    --ink: #f7f4ea;
    --muted: #b6b9ad;
    --line: rgba(126, 189, 181, 0.24);
    --teal: #35b8b4;
    --teal-soft: rgba(31, 142, 140, 0.16);
    --shadow: rgba(0, 0, 0, 0.24);
  }
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  color: var(--ink);
  background:
    radial-gradient(circle at 16% 0%, rgba(31, 142, 140, 0.08), transparent 28rem),
    radial-gradient(circle at 100% 16%, rgba(181, 148, 73, 0.10), transparent 26rem),
    var(--bg);
  font-family:
    -apple-system, BlinkMacSystemFont, "PingFang SC", "HarmonyOS Sans SC",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  line-height: 1.78;
  letter-spacing: 0;
}

a {
  color: var(--teal);
  text-decoration: none;
}

a:hover {
  text-decoration: underline;
}

.page-shell {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 48px 0 72px;
}

.hero {
  padding: 42px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 0 18px 60px var(--shadow);
  backdrop-filter: blur(14px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--teal);
  font-size: 15px;
  font-weight: 700;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 16px;
  font-size: clamp(36px, 7vw, 64px);
  line-height: 1.08;
}

.summary {
  max-width: 760px;
  margin-bottom: 28px;
  color: var(--muted);
  font-size: 17px;
}

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

.meta-grid div {
  min-width: 0;
  padding: 14px 16px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--teal-soft);
}

.meta-grid dt {
  color: var(--muted);
  font-size: 12px;
}

.meta-grid dd {
  margin: 4px 0 0;
  overflow-wrap: anywhere;
  font-weight: 700;
}

.policy-card {
  margin-top: 22px;
  padding: 40px 42px;
  border: 1px solid var(--line);
  border-radius: 28px;
  background: var(--paper);
  box-shadow: 0 18px 60px var(--shadow);
}

section + section {
  margin-top: 36px;
  padding-top: 30px;
  border-top: 1px solid var(--line);
}

h2 {
  margin-bottom: 14px;
  font-size: 24px;
  line-height: 1.28;
}

h3 {
  margin: 22px 0 8px;
  color: var(--teal);
  font-size: 18px;
  line-height: 1.34;
}

p,
li,
address {
  color: var(--muted);
  font-size: 16px;
}

strong {
  color: var(--ink);
}

ul,
ol {
  padding-left: 1.35em;
}

address {
  padding: 18px 20px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--teal-soft);
  font-style: normal;
}

@media (max-width: 720px) {
  .page-shell {
    width: min(100% - 24px, 960px);
    padding: 18px 0 40px;
  }

  .hero,
  .policy-card {
    padding: 24px 22px;
    border-radius: 22px;
  }

  .meta-grid {
    grid-template-columns: 1fr;
  }

  h2 {
    font-size: 21px;
  }
}