:root {
  color-scheme: light;
  --purple-deep: #560083;
  --purple: #8801c2;
  --purple-bright: #a938d4;
  --ink: #25202a;
  --muted: #6f6774;
  --line: rgba(99, 29, 132, 0.14);
  --accent: #7b0aaa;
  --gradient-start: #39005f;
  --gradient-middle: #7614aa;
  --gradient-end: #b32fc5;
  --glow-primary: rgba(255, 121, 198, 0.34);
  --glow-secondary: rgba(119, 101, 255, 0.38);
}

.ios-theme {
  --gradient-start: #26003f;
  --gradient-middle: #5f159d;
  --gradient-end: #bd2c91;
  --glow-primary: rgba(255, 111, 181, 0.42);
  --glow-secondary: rgba(108, 132, 255, 0.42);
}

.google-play-theme {
  --gradient-start: #160044;
  --gradient-middle: #40239a;
  --gradient-end: #087eaa;
  --glow-primary: rgba(36, 218, 212, 0.32);
  --glow-secondary: rgba(121, 91, 255, 0.46);
}

.privacy-theme {
  --gradient-start: #220044;
  --gradient-middle: #5b28ba;
  --gradient-end: #079bc1;
  --glow-primary: rgba(36, 220, 210, 0.34);
  --glow-secondary: rgba(182, 76, 255, 0.42);
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  color: var(--ink);
  background: var(--purple-deep);
  font-family: "Montserrat", "PingFang SC", "Microsoft YaHei", sans-serif;
}

a {
  color: inherit;
}

a:focus-visible {
  outline: 3px solid #ffd86b;
  outline-offset: 4px;
}

.legal-page {
  min-height: 100vh;
  background:
    radial-gradient(circle at 10% 6%, rgba(255, 255, 255, 0.2) 0, transparent 24rem),
    radial-gradient(circle at 88% 12%, var(--glow-primary) 0, transparent 30rem),
    radial-gradient(circle at 52% 94%, var(--glow-secondary) 0, transparent 34rem),
    linear-gradient(145deg, var(--gradient-start) 0%, var(--gradient-middle) 48%, var(--gradient-end) 100%);
  background-attachment: fixed;
}

.legal-nav {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  min-height: 66px;
  padding: 0 5vw;
  color: #fff;
  background: rgba(75, 0, 111, 0.74);
  border-bottom: 1px solid rgba(255, 255, 255, 0.16);
  backdrop-filter: blur(16px);
}

.brand,
.back-link {
  font-family: "Alata", sans-serif;
  font-weight: 400;
  text-decoration: none;
}

.back-link {
  padding: 9px 14px;
  border: 1px solid rgba(255, 255, 255, 0.42);
  border-radius: 999px;
  transition: background 0.2s ease, border-color 0.2s ease;
}

.back-link:hover {
  background: rgba(255, 255, 255, 0.14);
  border-color: #fff;
}

.legal-shell {
  width: min(100% - 32px, 920px);
  margin: 0 auto;
  padding: 72px 0 88px;
}

.legal-intro {
  margin-bottom: 28px;
  color: #fff;
}

.legal-intro .platform-label {
  display: block;
  margin: 0 0 10px;
  padding: 0;
  color: rgba(255, 255, 255, 0.62);
  font-family: "Alata", sans-serif;
  font-size: 0.72rem;
  letter-spacing: 0.16em;
  text-transform: uppercase;
  background: none;
  border: 0;
  border-radius: 0;
}

.legal-intro h1 {
  margin: 0 0 12px;
  font-size: clamp(2.3rem, 7vw, 4.5rem);
  line-height: 1;
  letter-spacing: -0.045em;
}

.legal-intro p {
  max-width: 650px;
  margin: 0;
  color: rgba(255, 255, 255, 0.82);
  line-height: 1.7;
}

.legal-card {
  padding: clamp(28px, 6vw, 64px);
  background: rgba(255, 255, 255, 0.97);
  border: 1px solid rgba(255, 255, 255, 0.58);
  border-radius: 26px;
  box-shadow: 0 28px 80px rgba(44, 0, 64, 0.28);
}

.effective-date {
  margin: 0 0 26px;
  color: var(--muted);
  font-size: 0.9rem;
}

.official-eula {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 18px;
  margin-bottom: 40px;
  padding: 18px 20px;
  color: #fff;
  font-weight: 700;
  line-height: 1.5;
  text-decoration: none;
  background: linear-gradient(135deg, var(--purple), var(--purple-bright));
  border-radius: 16px;
}

.official-eula span:last-child {
  font-size: 1.5rem;
}

.legal-card section + section {
  margin-top: 34px;
  padding-top: 32px;
  border-top: 1px solid var(--line);
}

.legal-card h2 {
  margin: 0 0 12px;
  font-size: clamp(1.2rem, 3vw, 1.55rem);
  line-height: 1.35;
}

.legal-card p,
.legal-card li {
  color: #504956;
  font-size: 1rem;
  line-height: 1.78;
}

.legal-card p {
  margin: 0;
}

.legal-card p + p {
  margin-top: 14px;
}

.legal-card ul {
  margin: 14px 0 0;
  padding-left: 22px;
}

.legal-card a:not(.official-eula) {
  color: var(--accent);
  font-weight: 700;
}

.legal-footer {
  padding: 0 16px 36px;
  color: rgba(255, 255, 255, 0.72);
  text-align: center;
  font-size: 0.85rem;
}

@media (max-width: 600px) {
  .legal-nav {
    min-height: 60px;
    padding: 0 16px;
  }

  .back-link {
    padding: 8px 11px;
    font-size: 0.84rem;
  }

  .legal-shell {
    width: min(100% - 20px, 920px);
    padding: 48px 0 58px;
  }

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

  .official-eula {
    align-items: flex-start;
  }
}