/* 图说 TUSO — 隐私政策 / 用户协议（对齐营销首页 v5 Token） */
:root {
  --p: #e60012;
  --p-light: #fff1f2;
  --p-dark: #c7000f;
  --ink: #18181b;
  --sub: #71717a;
  --muted: #a1a1aa;
  --bg: #f7f7f8;
  --surface: #ffffff;
  --line: #e4e4e7;
  --line-light: #f1f1f3;
  --shadow-sm: 0 2px 8px rgba(24, 24, 27, 0.04);
  --shadow-md: 0 16px 40px rgba(24, 24, 27, 0.09);
  --radius: 12px;
  --radius-lg: 20px;
  --font-display: "Noto Serif SC", Georgia, serif;
  --font-body: "Noto Sans SC", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body.legal-doc {
  margin: 0;
  font-family: var(--font-body);
  background: var(--bg);
  color: var(--ink);
  line-height: 1.75;
  font-size: 15px;
  -webkit-font-smoothing: antialiased;
}

.legal-header {
  position: sticky;
  top: 0;
  z-index: 50;
  border-bottom: 1px solid rgba(228, 228, 231, 0.85);
  background: rgba(247, 247, 248, 0.92);
  backdrop-filter: blur(16px) saturate(1.15);
}

.legal-header-inner {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  height: 64px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
}

.legal-logo {
  display: flex;
  align-items: center;
  gap: 12px;
  text-decoration: none;
  color: var(--ink);
}

.legal-logo-svg {
  width: 36px;
  height: 36px;
  flex-shrink: 0;
}

.legal-logo-title {
  font-family: var(--font-display);
  font-size: 18px;
  font-weight: 700;
  line-height: 1.2;
}

.legal-logo-title .accent {
  color: var(--p);
}

.legal-logo-sub {
  font-size: 10px;
  color: var(--muted);
  letter-spacing: 1px;
}

.legal-back {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 14px;
  font-weight: 500;
  color: var(--sub);
  text-decoration: none;
  padding: 8px 14px;
  border-radius: var(--radius);
  border: 1px solid var(--line);
  background: rgba(255, 255, 255, 0.8);
  transition: color 0.2s, border-color 0.2s, background 0.2s;
}

.legal-back:hover {
  color: var(--p);
  border-color: #ffd7dc;
  background: #fff;
}

.legal-main {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 28px 0 48px;
}

.legal-card {
  background: var(--surface);
  border: 1px solid var(--line-light);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow-sm);
  padding: 36px 40px 44px;
}

.legal-card > h1 {
  font-family: var(--font-display);
  font-size: 1.85rem;
  font-weight: 700;
  margin: 0 0 12px;
  line-height: 1.25;
}

.legal-card > h1 + p {
  color: var(--sub);
  font-size: 14px;
  margin: 0 0 8px;
}

.legal-card h2 {
  font-family: var(--font-display);
  font-size: 1.15rem;
  font-weight: 700;
  margin: 2rem 0 0.75rem;
  padding-bottom: 8px;
  border-bottom: 1px solid var(--line-light);
  color: var(--ink);
}

.legal-card h3 {
  font-family: var(--font-body);
  font-size: 1rem;
  font-weight: 600;
  margin: 1.35rem 0 0.5rem;
  color: var(--ink);
}

.legal-card p {
  margin: 0.5rem 0;
}

.legal-card strong {
  font-weight: 600;
  color: var(--ink);
}

.legal-card a {
  color: var(--p);
  text-decoration: none;
  font-weight: 500;
}

.legal-card a:hover {
  text-decoration: underline;
  color: var(--p-dark);
}

.legal-card hr {
  border: none;
  border-top: 1px solid var(--line-light);
  margin: 1.5rem 0;
}

.legal-card ul,
.legal-card ol {
  margin: 0.5rem 0 0.75rem;
  padding-left: 1.25rem;
}

.legal-card li {
  margin: 0.25rem 0;
}

.legal-card table {
  width: 100%;
  border-collapse: collapse;
  margin: 14px 0 18px;
  font-size: 0.875rem;
  border: 1px solid var(--line);
  border-radius: var(--radius);
  overflow: hidden;
}

.legal-card th,
.legal-card td {
  border: 1px solid var(--line-light);
  padding: 10px 12px;
  text-align: left;
  vertical-align: top;
}

.legal-card th {
  background: #fafafa;
  font-weight: 600;
  color: var(--ink);
}

.legal-card code {
  font-family: ui-monospace, SFMono-Regular, Menlo, monospace;
  font-size: 0.85em;
  background: var(--bg);
  border: 1px solid var(--line-light);
  border-radius: 6px;
  padding: 1px 6px;
}

.legal-card blockquote {
  background: var(--p-light);
  border-left: 3px solid var(--p);
  padding: 12px 16px;
  margin: 16px 0;
  font-size: 0.9rem;
  color: var(--sub);
  border-radius: 0 var(--radius) var(--radius) 0;
}

.legal-footer {
  border-top: 1px solid var(--line-light);
  background: var(--surface);
  padding: 20px 16px 28px;
  text-align: center;
  font-size: 12px;
  color: var(--muted);
}

.legal-footer a {
  color: var(--sub);
  text-decoration: none;
}

.legal-footer a:hover {
  color: var(--p);
}

.legal-footer .sep {
  margin: 0 8px;
  opacity: 0.5;
}

@media (max-width: 640px) {
  .legal-card {
    padding: 24px 20px 32px;
  }

  .legal-card > h1 {
    font-size: 1.5rem;
  }

  .legal-card table {
    font-size: 0.8125rem;
  }

  .legal-card th,
  .legal-card td {
    padding: 8px 10px;
  }

  .legal-back span {
    display: none;
  }
}