:root {
  color-scheme: dark;
  --bg: #050301;
  --panel: rgba(15, 9, 5, 0.82);
  --panel-soft: rgba(255, 255, 255, 0.045);
  --gold: #ffd15d;
  --gold-soft: #d7aa57;
  --text: #fff8e8;
  --muted: rgba(255, 248, 232, 0.72);
  --line: rgba(255, 209, 93, 0.35);
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background:
    radial-gradient(circle at 50% 0%, rgba(255, 129, 33, 0.2), transparent 34rem),
    radial-gradient(circle at 8% 35%, rgba(80, 200, 150, 0.12), transparent 24rem),
    linear-gradient(180deg, #090502 0%, #050301 52%, #120407 100%);
  color: var(--text);
  font-family: "Songti SC", "Noto Serif SC", "PingFang SC", system-ui, sans-serif;
}

a {
  color: var(--gold);
  text-decoration: none;
}

.page {
  width: min(1080px, calc(100% - 32px));
  margin: 0 auto;
}

.nav {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 24px 0;
}

.brand {
  display: flex;
  align-items: center;
  gap: 12px;
  color: var(--text);
  font-weight: 700;
  letter-spacing: 0;
}

.brand img {
  width: 44px;
  height: 44px;
  border-radius: 10px;
  box-shadow: 0 0 22px rgba(255, 209, 93, 0.25);
}

.nav-links {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 16px;
  font-size: 14px;
}

.hero {
  display: grid;
  grid-template-columns: 1.1fr 0.9fr;
  align-items: center;
  gap: 48px;
  padding: 68px 0 80px;
}

.hero h1 {
  margin: 0;
  font-size: clamp(44px, 7vw, 84px);
  line-height: 1.04;
  letter-spacing: 0;
  color: var(--gold);
  text-shadow: 0 8px 34px rgba(255, 160, 35, 0.3);
}

.hero p {
  max-width: 620px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 18px;
  line-height: 1.9;
}

.hero-card {
  position: relative;
  padding: 28px;
  border: 1px solid var(--line);
  border-radius: 18px;
  background: var(--panel);
  box-shadow: 0 22px 70px rgba(0, 0, 0, 0.48);
}

.hero-card img {
  display: block;
  width: 100%;
  border-radius: 18px;
}

.cta-row {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 32px;
}

.button {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  min-height: 46px;
  padding: 0 20px;
  border-radius: 999px;
  font: 700 15px/1 "PingFang SC", system-ui, sans-serif;
  color: #180e03;
  background: linear-gradient(135deg, #ffe37b, #c47a18);
}

.button.secondary {
  color: var(--gold);
  background: rgba(255, 209, 93, 0.08);
  border: 1px solid var(--line);
}

.section {
  padding: 44px 0;
}

.section h2,
.legal h1 {
  margin: 0 0 18px;
  color: var(--gold);
  font-size: clamp(28px, 4vw, 44px);
  line-height: 1.2;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 18px;
}

.card,
.legal {
  border: 1px solid var(--line);
  border-radius: 16px;
  background: var(--panel);
  padding: 22px;
}

.card h3 {
  margin: 0 0 10px;
  color: var(--text);
  font-size: 20px;
}

.card p,
.legal p,
.legal li {
  color: var(--muted);
  font-size: 16px;
  line-height: 1.85;
}

.legal {
  margin: 34px 0 80px;
  padding: clamp(22px, 5vw, 44px);
}

.legal h2 {
  margin-top: 32px;
  color: var(--gold-soft);
}

.legal ul {
  padding-left: 22px;
}

.notice {
  margin-top: 24px;
  padding: 18px;
  border: 1px solid rgba(255, 209, 93, 0.3);
  border-radius: 14px;
  background: var(--panel-soft);
  color: var(--muted);
  line-height: 1.8;
}

.footer {
  border-top: 1px solid rgba(255, 209, 93, 0.2);
  padding: 28px 0 48px;
  color: rgba(255, 248, 232, 0.56);
  font-size: 14px;
}

@media (max-width: 760px) {
  .nav {
    align-items: flex-start;
    flex-direction: column;
  }

  .nav-links {
    justify-content: flex-start;
  }

  .hero {
    grid-template-columns: 1fr;
    padding-top: 36px;
  }

  .grid {
    grid-template-columns: 1fr;
  }
}