:root {
  color-scheme: light;
  --bg: #f7f8f5;
  --paper: #ffffff;
  --text: #1d2420;
  --muted: #68736c;
  --line: #dce2dd;
  --accent: #2f7d52;
  --accent-dark: #205d3b;
  --soft: #edf4ee;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC",
    "Hiragino Sans GB", "Microsoft YaHei", Arial, sans-serif;
  font-size: 16px;
  line-height: 1.75;
}

a {
  color: var(--accent-dark);
  text-decoration-thickness: 1px;
  text-underline-offset: 3px;
}

.site-header {
  border-bottom: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.88);
}

.header-inner,
.page,
.site-footer {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
}

.header-inner {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 64px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  color: var(--text);
  font-weight: 700;
  text-decoration: none;
}

.brand-mark {
  width: 30px;
  height: 30px;
  border-radius: 7px;
  box-shadow: 0 1px 3px rgba(29, 36, 32, 0.14);
  object-fit: cover;
}

.nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 12px;
  font-size: 14px;
}

.nav a {
  color: var(--muted);
  text-decoration: none;
}

.nav a[aria-current="page"] {
  color: var(--accent-dark);
  font-weight: 700;
}

.page {
  padding: 48px 0 56px;
}

.legal-document {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: clamp(24px, 5vw, 48px);
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent-dark);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0;
}

h1,
h2,
h3 {
  color: var(--text);
  line-height: 1.25;
}

h1 {
  margin: 0 0 12px;
  font-size: clamp(30px, 5vw, 46px);
}

h2 {
  margin: 40px 0 12px;
  padding-top: 26px;
  border-top: 1px solid var(--line);
  font-size: clamp(21px, 3vw, 28px);
}

h3 {
  margin: 26px 0 8px;
  font-size: 18px;
}

p {
  margin: 12px 0;
}

ul {
  margin: 10px 0 18px;
  padding-left: 1.35em;
}

li {
  margin: 5px 0;
}

.meta {
  display: flex;
  flex-wrap: wrap;
  gap: 8px 18px;
  margin: 0 0 28px;
  color: var(--muted);
  font-size: 14px;
}

.notice {
  margin: 28px 0;
  border: 1px solid #cfe1d4;
  border-radius: 8px;
  background: var(--soft);
  padding: 16px 18px;
}

.toc {
  margin: 28px 0 8px;
  border: 1px solid var(--line);
  border-radius: 8px;
  padding: 18px;
}

.toc-title {
  margin: 0 0 8px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 700;
}

.toc ol {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 6px 20px;
  margin: 0;
  padding-left: 1.35em;
}

.language-links {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin: 24px 0 0;
}

.button-link {
  display: inline-flex;
  align-items: center;
  min-height: 40px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: #fff;
  padding: 7px 13px;
  color: var(--accent-dark);
  font-weight: 700;
  text-decoration: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(2, minmax(0, 1fr));
  gap: 16px;
  margin-top: 28px;
}

.card {
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--paper);
  padding: 22px;
}

.card h2 {
  margin: 0 0 8px;
  padding: 0;
  border: 0;
  font-size: 22px;
}

.card p {
  color: var(--muted);
}

.site-footer {
  padding: 28px 0 42px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .header-inner {
    align-items: flex-start;
    flex-direction: column;
    padding: 14px 0;
  }

  .nav {
    justify-content: flex-start;
  }

  .page {
    padding-top: 28px;
  }

  .legal-document {
    padding: 22px 18px;
  }

  .toc ol,
  .cards {
    grid-template-columns: 1fr;
  }
}