*,
*::before,
*::after {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family:
    -apple-system, BlinkMacSystemFont, 'Segoe UI', 'PingFang SC', 'Hiragino Sans GB',
    'Microsoft YaHei', sans-serif;
}

.agreement-page {
  min-height: 100vh;
  background: #f7f8fa;
  color: #1f2329;
}

.agreement-header {
  padding: 24px 20px 16px;
  background: #fff;
  border-bottom: 1px solid #e5e6eb;
}

.back-link {
  display: inline-block;
  margin-bottom: 16px;
  font-size: 14px;
  color: #4e5969;
  text-decoration: none;
}

.back-link:hover {
  color: #165dff;
}

.agreement-header h1 {
  margin: 0 0 12px;
  font-size: 28px;
  font-weight: 700;
  line-height: 1.35;
}

.agreement-meta {
  margin: 0;
  font-size: 14px;
  line-height: 1.8;
  color: #86909c;
}

.agreement-body {
  max-width: 860px;
  margin: 0 auto;
  padding: 32px 20px 48px;
}

.agreement-body h2 {
  margin: 32px 0 16px;
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  color: #1f2329;
}

.agreement-body h2:first-child {
  margin-top: 0;
}

.agreement-body h3 {
  margin: 20px 0 12px;
  font-size: 16px;
  font-weight: 600;
  line-height: 1.5;
}

.agreement-body p {
  margin: 0 0 12px;
  font-size: 15px;
  line-height: 1.85;
  color: #4e5969;
  text-align: justify;
}

.agreement-body ol,
.agreement-body ul {
  margin: 0 0 16px;
  padding-left: 1.5em;
}

.agreement-body li {
  margin-bottom: 8px;
  font-size: 15px;
  line-height: 1.85;
  color: #4e5969;
}

.agreement-body strong,
.agreement-body .emphasis {
  font-weight: 700;
  color: #1f2329;
}

.agreement-body .important-notice {
  margin-bottom: 24px;
  padding: 16px;
  border-radius: 8px;
  background: #fff;
  border: 1px solid #e5e6eb;
}

.agreement-body .important-notice p:last-child {
  margin-bottom: 0;
}

.agreement-body a {
  color: #165dff;
  word-break: break-all;
}

@media (max-width: 768px) {
  .agreement-header h1 {
    font-size: 22px;
  }

  .agreement-body {
    padding: 24px 16px 40px;
  }
}