/* 官网法律文档页（与 index 视觉一致） */
:root {
  --bg: #fafafa;
  --surface: rgba(255, 255, 255, 0.84);
  --text: #1d2129;
  --muted: #4e5969;
  --line: rgba(29, 33, 41, 0.08);
  --primary: #2d7ff9;
  --primary-deep: #1157d6;
  --shadow: 0 24px 60px rgba(17, 33, 68, 0.12);
  --radius-lg: 24px;
  --container: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family:
    "SF Pro Display", "PingFang SC", "Helvetica Neue", Arial, sans-serif;
  color: var(--text);
  background:
    radial-gradient(
      circle at top left,
      rgba(45, 127, 249, 0.14),
      transparent 28%
    ),
    linear-gradient(180deg, #f8fbff 0%, #fafafa 100%);
  line-height: 1.6;
}

a {
  color: inherit;
  text-decoration: none;
}

a:hover {
  color: var(--primary);
}

.container {
  width: min(var(--container), calc(100% - 40px));
  margin: 0 auto;
}

.site-header {
  padding: 14px 0 8px;
}

.nav-shell {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 12px 18px;
  border: 1px solid rgba(255, 255, 255, 0.66);
  border-radius: 999px;
  background: rgba(255, 255, 255, 0.66);
  backdrop-filter: blur(14px);
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  font-weight: 800;
  letter-spacing: -0.03em;
}

.brand-mark {
  width: 38px;
  height: 38px;
  border-radius: 14px;
  background: linear-gradient(135deg, var(--primary), #7fb1ff);
  color: #fff;
  display: grid;
  place-items: center;
  box-shadow: 0 12px 30px rgba(45, 127, 249, 0.28);
}

.nav-shortcuts {
  display: flex;
  align-items: center;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

.legal-main {
  padding: 24px 0 64px;
}

.legal-card {
  max-width: 820px;
  margin: 0 auto;
  padding: 36px 40px;
  border-radius: var(--radius-lg);
  background: var(--surface);
  border: 1px solid rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  box-shadow: var(--shadow);
}

.legal-card h1 {
  margin: 0 0 8px;
  font-size: clamp(26px, 4vw, 34px);
  letter-spacing: -0.04em;
  line-height: 1.15;
}

.legal-meta {
  margin: 0 0 28px;
  font-size: 14px;
  color: var(--muted);
}

.legal-doc h2 {
  margin: 28px 0 12px;
  font-size: 18px;
  letter-spacing: -0.02em;
  border-bottom: 1px solid var(--line);
  padding-bottom: 8px;
}

.legal-doc h2:first-of-type {
  margin-top: 0;
}

.legal-doc h3 {
  margin: 20px 0 10px;
  font-size: 16px;
}

.legal-doc p {
  margin: 0 0 12px;
  font-size: 15px;
  color: var(--text);
}

.legal-doc ul,
.legal-doc ol {
  margin: 0 0 14px;
  padding-left: 1.35em;
  font-size: 15px;
}

.legal-doc li {
  margin-bottom: 8px;
}

.legal-doc li:last-child {
  margin-bottom: 0;
}

.footer {
  padding: 0 0 42px;
}

.footer-shell {
  display: flex;
  flex-wrap: wrap;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 20px 24px;
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.78);
  border: 1px solid rgba(255, 255, 255, 0.86);
  backdrop-filter: blur(14px);
  box-shadow: 0 20px 50px rgba(17, 33, 68, 0.08);
}

.footer-links {
  display: flex;
  gap: 18px;
  flex-wrap: wrap;
  font-size: 14px;
  color: var(--muted);
}

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

@media (max-width: 640px) {
  .legal-card {
    padding: 24px 20px;
  }

  .nav-shell {
    flex-direction: column;
    align-items: stretch;
    border-radius: 22px;
  }

  .nav-shortcuts {
    justify-content: center;
  }
}