:root {
  color-scheme: light;
  --ink: #173f3b;
  --muted: #5e746f;
  --jade: #147d75;
  --jade-dark: #0d5e59;
  --paper: #fffdf5;
  --gold: #c89a3c;
  --line: rgba(20, 125, 117, 0.2);
}

* { box-sizing: border-box; }

body {
  margin: 0;
  color: var(--ink);
  background:
    radial-gradient(circle at 15% 10%, rgba(255,255,255,.9), transparent 30rem),
    linear-gradient(155deg, #edf7f2 0%, #dceee6 52%, #f8f2df 100%);
  font: 16px/1.72 -apple-system, BlinkMacSystemFont, "PingFang SC", "Microsoft YaHei", sans-serif;
}

a { color: var(--jade-dark); }

.nav {
  position: sticky;
  top: 0;
  z-index: 2;
  display: flex;
  align-items: center;
  justify-content: space-between;
  padding: 14px max(20px, calc((100% - 960px) / 2));
  border-bottom: 1px solid var(--line);
  background: rgba(246, 251, 247, .88);
  backdrop-filter: blur(18px);
}

.brand {
  color: var(--ink);
  font-size: 19px;
  font-weight: 750;
  text-decoration: none;
}

.nav nav { display: flex; gap: 20px; }
.nav nav a { color: var(--muted); text-decoration: none; }

.hero, .page, footer {
  width: min(960px, calc(100% - 40px));
  margin-inline: auto;
}

.hero {
  display: grid;
  grid-template-columns: 1fr 280px;
  gap: 48px;
  align-items: center;
  min-height: 560px;
  padding: 76px 0 52px;
}

.eyebrow {
  color: var(--jade);
  font-size: 13px;
  font-weight: 800;
  letter-spacing: .15em;
  text-transform: uppercase;
}

h1 { margin: 8px 0 18px; font-size: clamp(38px, 7vw, 64px); line-height: 1.12; }
h2 { margin: 34px 0 10px; font-size: 24px; }
h3 { margin: 26px 0 7px; font-size: 18px; }
p { margin: 8px 0; }

.lead { max-width: 680px; color: var(--muted); font-size: 19px; }

.button {
  display: inline-block;
  margin-top: 24px;
  padding: 11px 19px;
  border-radius: 999px;
  color: #fff;
  background: var(--jade);
  font-weight: 700;
  text-decoration: none;
}

.token {
  display: grid;
  place-items: center;
  width: 240px;
  aspect-ratio: 1;
  margin: auto;
  border: 14px solid #d9a964;
  border-radius: 50%;
  color: #a42925;
  background: radial-gradient(circle at 38% 28%, #fff4cf 0, #eed097 62%, #c99150 100%);
  box-shadow: 0 22px 36px rgba(48, 46, 31, .22), inset 0 0 0 4px #a96d35;
  font: 800 116px/1 "STKaiti", "KaiTi", serif;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 18px;
  padding-bottom: 72px;
}

.card, .page {
  border: 1px solid var(--line);
  border-radius: 24px;
  background: rgba(255, 253, 245, .88);
  box-shadow: 0 16px 38px rgba(42, 82, 73, .08);
}

.card { padding: 24px; }
.card h2 { margin-top: 0; }

.page { margin-top: 48px; margin-bottom: 48px; padding: clamp(24px, 6vw, 56px); }
.page h1 { font-size: clamp(34px, 6vw, 52px); }
.meta, .muted { color: var(--muted); }
ul { padding-left: 1.25em; }

footer {
  padding: 28px 0 46px;
  border-top: 1px solid var(--line);
  color: var(--muted);
  font-size: 14px;
}

@media (max-width: 720px) {
  .nav nav { gap: 12px; font-size: 14px; }
  .hero { grid-template-columns: 1fr; min-height: auto; padding-top: 52px; text-align: center; }
  .lead { margin-inline: auto; }
  .token { width: 190px; font-size: 92px; }
  .cards { grid-template-columns: 1fr; }
}