:root {
  color-scheme: light;
  --paper: #fbf7ef;
  --surface: #fffefa;
  --ink: #2b2620;
  --muted: #6b6258;
  --line: rgba(43, 38, 32, 0.14);
  --blue: #2e9be0;
  --orange: #f4742b;
  --green: #37be59;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
  scroll-padding-top: 96px;
}

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 8% 2%, rgba(115, 207, 230, 0.24), transparent 23rem),
    radial-gradient(circle at 96% 14%, rgba(241, 120, 174, 0.2), transparent 22rem),
    var(--paper);
  font-family: "PingFang SC", "Microsoft YaHei", system-ui, sans-serif;
  line-height: 1.75;
}

a {
  color: inherit;
}

.legal-header {
  position: sticky;
  z-index: 10;
  top: 0;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  min-height: 76px;
  padding: 10px clamp(16px, 4vw, 54px);
  border-bottom: 1px solid var(--line);
  background: rgba(255, 254, 250, 0.9);
  backdrop-filter: blur(18px) saturate(140%);
}

.legal-header img {
  width: 132px;
  height: 52px;
  object-fit: contain;
}

.legal-header a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  font-weight: 800;
  text-decoration: none;
}

.legal-page {
  width: min(940px, calc(100% - 32px));
  margin: 0 auto;
  padding: clamp(52px, 8vw, 96px) 0 88px;
}

.legal-hero {
  margin-bottom: 44px;
}

.legal-kicker {
  margin: 0 0 12px;
  color: var(--orange);
  font-size: 12px;
  font-weight: 900;
  letter-spacing: 0.13em;
  text-transform: uppercase;
}

h1,
h2,
h3 {
  line-height: 1.2;
  letter-spacing: -0.025em;
}

h1 {
  margin: 0;
  font-size: clamp(42px, 7vw, 76px);
}

.legal-lead {
  max-width: 720px;
  margin: 20px 0 0;
  color: var(--muted);
  font-size: 17px;
}

.legal-nav {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
  margin: 28px 0 0;
}

.legal-nav a {
  min-height: 44px;
  display: inline-flex;
  align-items: center;
  padding: 0 16px;
  border: 1px solid var(--line);
  border-radius: 999px;
  background: rgba(255, 254, 250, 0.72);
  font-size: 13px;
  font-weight: 800;
  text-decoration: none;
}

.legal-section {
  margin-top: 18px;
  padding: clamp(24px, 4vw, 42px);
  border: 1px solid var(--line);
  border-radius: 26px;
  background: rgba(255, 254, 250, 0.88);
  box-shadow: 0 24px 70px rgba(65, 48, 31, 0.08);
}

.legal-section:nth-of-type(2) {
  border-top: 5px solid var(--blue);
}

.legal-section:nth-of-type(3) {
  border-top: 5px solid var(--green);
}

.legal-section:nth-of-type(4) {
  border-top: 5px solid var(--orange);
}

.legal-section h2 {
  margin: 0 0 18px;
  font-size: clamp(28px, 4vw, 40px);
}

.legal-section h3 {
  margin: 28px 0 8px;
  font-size: 18px;
}

.legal-section p,
.legal-section li {
  color: var(--muted);
}

.legal-section ul,
.legal-section ol {
  padding-left: 1.4em;
}

.legal-note {
  padding: 16px 18px;
  border-left: 4px solid var(--orange);
  border-radius: 0 14px 14px 0;
  background: rgba(244, 116, 43, 0.08);
}

.legal-footer {
  display: flex;
  flex-wrap: wrap;
  justify-content: space-between;
  gap: 12px 24px;
  margin-top: 32px;
  padding-top: 24px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 13px;
}

@media (max-width: 620px) {
  .legal-header {
    min-height: 66px;
  }

  .legal-header img {
    width: 110px;
  }

  .legal-page {
    width: min(100% - 24px, 940px);
    padding-top: 42px;
  }

  .legal-section {
    border-radius: 20px;
  }
}

@media (prefers-reduced-transparency: reduce) {
  .legal-header,
  .legal-section {
    background: var(--surface);
    backdrop-filter: none;
  }
}