:root {
  --ink: #5a5a5a;
  --muted: #767676;
  --line: #e7dfd4;
  --paper: #fffdfa;
  --paper-soft: #f6f1ea;
  --purple: #762b92;
  --purple-soft: #f4eafa;
  --gold: #a97d36;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Noto Sans SC", "Microsoft YaHei", sans-serif;
  font-weight: 400;
  color: var(--ink);
  background: var(--paper-soft);
}

* { box-sizing: border-box; }
html { scroll-behavior: smooth; }
body { margin: 0; background: linear-gradient(180deg, #fbf8f4, var(--paper-soft)); }
a { color: inherit; text-decoration: none; }
img { display: block; max-width: 100%; }
strong { font-weight: 400; }

.legal-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  min-height: 68px;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  padding: 10px max(18px, calc((100vw - 1120px) / 2));
  border-bottom: 1px solid rgba(231, 223, 212, 0.86);
  background: rgba(255, 253, 250, 0.92);
  backdrop-filter: blur(16px);
}

.legal-brand { display: flex; align-items: center; gap: 12px; }
.legal-brand .brand-logo { width: 232px; height: 58px; object-fit: contain; object-position: left center; }
.legal-brand span { color: var(--muted); font-size: 13px; }
.platform-badge { padding: 7px 12px; border-radius: 999px; background: var(--purple-soft); color: var(--ink); font-size: 12px; }

.legal-layout {
  display: grid;
  grid-template-columns: 250px minmax(0, 760px);
  justify-content: center;
  gap: 44px;
  padding: 46px 22px 72px;
}

.legal-toc { position: sticky; top: 96px; align-self: start; max-height: calc(100vh - 122px); overflow: auto; padding: 20px; border: 1px solid var(--line); border-radius: 16px; background: rgba(255, 253, 250, 0.72); }
.legal-toc strong { display: block; margin-bottom: 14px; color: var(--ink); font-size: 13px; }
.legal-toc a { display: block; padding: 7px 0; color: var(--muted); font-size: 13px; line-height: 1.55; }
.legal-toc a:hover { color: var(--ink); }

.legal-document { overflow: hidden; border: 1px solid var(--line); border-radius: 20px; background: var(--paper); box-shadow: 0 22px 70px rgba(50, 42, 32, 0.08); }
.legal-hero { padding: clamp(28px, 6vw, 58px); background: radial-gradient(circle at 92% 10%, rgba(118, 43, 146, 0.15), transparent 35%), var(--paper); border-bottom: 1px solid var(--line); }
.legal-hero .eyebrow { margin: 0 0 12px; color: var(--muted); font-size: 12px; letter-spacing: 0.12em; }
.legal-hero h1 { margin: 0 0 18px; font-size: clamp(24px, 6vw, 32px); line-height: 1.25; font-weight: 400; }
.legal-meta { display: flex; flex-wrap: wrap; gap: 8px 18px; color: var(--muted); font-size: 13px; line-height: 1.65; }

.legal-content { padding: clamp(24px, 6vw, 58px); }
.legal-content h2, .legal-content h3, .legal-content h4 { scroll-margin-top: 92px; font-weight: 400; }
.legal-content h2 { margin: 54px 0 20px; padding-top: 16px; border-top: 1px solid var(--line); color: var(--ink); font-size: 20px; line-height: 1.4; }
.legal-content h2:first-child { margin-top: 0; padding-top: 0; border-top: 0; }
.legal-content h3 { margin: 32px 0 14px; font-size: 18px; line-height: 1.4; }
.legal-content h4 { margin: 24px 0 12px; font-size: 16px; }
.legal-content p, .legal-content li { color: #666666; font-size: 16px; line-height: 1.95; overflow-wrap: anywhere; }
.legal-content p { margin: 0 0 16px; }
.legal-content ul { margin: 4px 0 20px; padding-left: 24px; }
.legal-content li { margin-bottom: 7px; }
.legal-content a { color: var(--ink); text-decoration: underline; text-underline-offset: 3px; }
.legal-content strong { font-weight: 400; color: var(--ink); }
.contact-block { margin-top: 28px; padding: 20px; border-left: 3px solid var(--purple); background: var(--purple-soft); }

.legal-footer { padding: 28px 22px 42px; text-align: center; color: var(--muted); font-size: 12px; line-height: 1.9; }
.legal-footer span, .legal-footer a { display: inline-block; margin: 0 8px; }
.legal-footer a { color: var(--ink); }

@media (max-width: 920px) {
  .legal-layout { grid-template-columns: minmax(0, 760px); padding-top: 24px; }
  .legal-toc { display: none; }
}

@media (max-width: 560px) {
  .legal-header { min-height: 60px; }
  .legal-brand .brand-logo { width: 184px; height: 46px; }
  .legal-brand span { display: none; }
  .legal-layout { padding: 12px 0 44px; }
  .legal-document { border-right: 0; border-left: 0; border-radius: 0; box-shadow: none; }
  .legal-content p, .legal-content li { font-size: 16px; line-height: 1.9; }
  .legal-content h2 { font-size: 20px; }
}

@media (prefers-reduced-motion: reduce) {
  html { scroll-behavior: auto; }
}