:root {
  color-scheme: dark;
  --bg: #101010;
  --panel: #181818;
  --panel-2: #202020;
  --text: #f7f0e3;
  --muted: #b9b1a3;
  --line: rgba(247, 240, 227, 0.14);
  --gold: #f3ba4d;
  --green: #5fd6a3;
  --max: 1080px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  background: var(--bg);
  color: var(--text);
  font-family: "Microsoft YaHei", "PingFang SC", "Noto Sans SC", Arial, sans-serif;
  line-height: 1.7;
}

a {
  color: inherit;
  text-decoration: none;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 10;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 24px;
  padding: 18px clamp(18px, 4vw, 48px);
  border-bottom: 1px solid var(--line);
  background: rgba(16, 16, 16, 0.9);
  backdrop-filter: blur(12px);
}

.brand {
  color: var(--gold);
  font-size: 20px;
  font-weight: 900;
}

.site-nav {
  display: flex;
  flex-wrap: wrap;
  justify-content: flex-end;
  gap: 18px;
  color: var(--muted);
  font-size: 14px;
}

.site-nav a:hover {
  color: var(--text);
}

.hero,
.section {
  max-width: var(--max);
  margin: 0 auto;
  padding: clamp(64px, 10vw, 120px) clamp(18px, 4vw, 32px);
}

.hero {
  min-height: 78vh;
  display: flex;
  flex-direction: column;
  justify-content: center;
}

.eyebrow {
  margin: 0 0 14px;
  color: var(--green);
  font-size: 13px;
  font-weight: 900;
  letter-spacing: 0.04em;
  text-transform: uppercase;
}

h1,
h2,
h3,
p {
  margin-top: 0;
}

h1 {
  margin-bottom: 6px;
  font-size: clamp(74px, 16vw, 178px);
  line-height: 0.92;
  letter-spacing: 0;
}

.symbol {
  margin: 0 0 28px;
  color: var(--gold);
  font-size: clamp(30px, 6vw, 58px);
  font-weight: 900;
  line-height: 1;
}

.hero-copy,
.section-copy {
  max-width: 820px;
  color: var(--muted);
  font-size: clamp(17px, 2vw, 21px);
}

.token-meta {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
  margin-top: 30px;
}

.token-meta span {
  padding: 10px 14px;
  border: 1px solid var(--line);
  border-radius: 6px;
  background: var(--panel);
  color: var(--text);
  font-weight: 800;
}

.section {
  border-top: 1px solid var(--line);
}

.muted {
  max-width: none;
  background: var(--panel);
}

.muted > * {
  max-width: var(--max);
  margin-left: auto;
  margin-right: auto;
}

.section-title {
  display: grid;
  grid-template-columns: 220px 1fr;
  gap: 24px;
  align-items: end;
  margin-bottom: 28px;
}

.section-title h2 {
  margin-bottom: 0;
  font-size: clamp(34px, 6vw, 68px);
  line-height: 1.05;
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.grid article,
.steps > div {
  padding: 24px;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--panel);
}

.grid h3 {
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 20px;
  line-height: 1.3;
}

.grid p,
.steps p {
  margin-bottom: 0;
  color: var(--muted);
}

.list {
  display: grid;
  gap: 1px;
  margin-top: 34px;
  overflow: hidden;
  border: 1px solid var(--line);
  border-radius: 8px;
  background: var(--line);
}

.list div {
  display: grid;
  grid-template-columns: 180px 1fr;
  gap: 18px;
  padding: 20px 22px;
  background: var(--panel-2);
}

.list strong {
  color: var(--gold);
}

.list span {
  color: var(--muted);
}

.steps {
  display: grid;
  grid-template-columns: repeat(4, minmax(0, 1fr));
  gap: 14px;
  margin-top: 34px;
}

.steps span {
  display: block;
  margin-bottom: 26px;
  color: var(--green);
  font-weight: 900;
}

.steps strong {
  display: block;
  margin-bottom: 10px;
  color: var(--gold);
  font-size: 24px;
}

.site-footer {
  padding: 28px clamp(18px, 4vw, 48px);
  border-top: 1px solid var(--line);
  color: var(--muted);
  text-align: center;
}

.site-footer p {
  margin: 0;
}

@media (max-width: 820px) {
  .site-header {
    align-items: flex-start;
    flex-direction: column;
  }

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

  .section-title,
  .grid,
  .steps {
    grid-template-columns: 1fr;
  }

  .list div {
    grid-template-columns: 1fr;
    gap: 4px;
  }
}

@media (max-width: 520px) {
  .site-nav {
    gap: 12px;
  }

  .hero {
    min-height: auto;
  }

  .token-meta span {
    width: 100%;
  }
}