:root {
  --bg: #f5f7fb;
  --surface: #ffffff;
  --text: #1a1f36;
  --muted: #5e6477;
  --line: #e6e9f2;
  --accent: #0061ff;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", PingFang SC, "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background: linear-gradient(180deg, #f9fbff 0%, var(--bg) 100%);
}

.container {
  max-width: 860px;
  margin: 0 auto;
  padding: 40px 16px 56px;
}

.page-header {
  margin-bottom: 22px;
}

.eyebrow {
  margin: 0 0 8px;
  color: var(--accent);
  font-size: 13px;
  font-weight: 600;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: 30px;
  line-height: 1.2;
}

.subtitle {
  margin: 10px 0 0;
  color: var(--muted);
  line-height: 1.6;
}

.card {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 18px;
}

.card h2 {
  margin: 4px 0 14px;
  font-size: 20px;
}

.agreement-list {
  list-style: none;
  padding: 0;
  margin: 0;
}

.agreement-list li {
  display: flex;
  gap: 8px;
  flex-wrap: wrap;
  align-items: baseline;
  padding: 12px 0;
  border-top: 1px solid var(--line);
}

.agreement-list li:first-child {
  border-top: 0;
}

.agreement-list a {
  color: var(--text);
  text-decoration: none;
  font-weight: 600;
}

.agreement-list a:hover {
  color: var(--accent);
}

.meta {
  color: var(--muted);
  font-size: 13px;
}

.doc {
  background: var(--surface);
  border: 1px solid var(--line);
  border-radius: 14px;
  padding: 22px;
  line-height: 1.75;
}

.doc h1 {
  font-size: 28px;
  margin-top: 0;
}

.doc h2 {
  font-size: 20px;
  margin-top: 26px;
}

.doc p,
.doc li {
  color: #232b45;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  color: var(--accent);
  text-decoration: none;
  font-weight: 600;
}

.back-link:hover {
  text-decoration: underline;
}