:root {
  color-scheme: light;
  --ink: #121512;
  --muted: #747a73;
  --paper: #fffdf5;
  --wash: #eef8ea;
  --line: #c8dfc9;
  --accent: #18b6ad;
  --accent-2: #ff8a2a;
  --card: rgba(255, 253, 245, 0.88);
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  background:
    radial-gradient(circle at 20% 0%, rgba(24, 182, 173, 0.16), transparent 28rem),
    linear-gradient(180deg, var(--wash), var(--paper) 52%);
}

body {
  min-height: 100vh;
  margin: 0;
  color: var(--ink);
  font-family: -apple-system, BlinkMacSystemFont, "SF Pro Text", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
  line-height: 1.75;
}

a {
  color: var(--ink);
  text-decoration-color: var(--accent);
  text-decoration-thickness: 2px;
  text-underline-offset: 4px;
}

.page {
  width: min(960px, calc(100% - 32px));
  margin: 0 auto;
  padding: 40px 0 56px;
}

.topbar {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  margin-bottom: 36px;
}

.brand {
  display: inline-flex;
  align-items: center;
  gap: 14px;
}

.brand-icon {
  width: 56px;
  height: 56px;
  border-radius: 14px;
  box-shadow: 0 12px 30px rgba(18, 21, 18, 0.12);
}

.brand-name {
  display: grid;
  gap: 1px;
}

.brand-name strong {
  font-size: 30px;
  line-height: 1;
  letter-spacing: 0;
}

.brand-name span {
  color: var(--muted);
  font-size: 13px;
  font-weight: 700;
}

.nav {
  display: flex;
  align-items: center;
  gap: 16px;
  color: var(--muted);
  font-size: 15px;
  font-weight: 700;
}

.hero,
.panel {
  border: 1px solid var(--line);
  background: var(--card);
  border-radius: 28px;
  box-shadow: 0 18px 45px rgba(18, 21, 18, 0.08);
}

.hero {
  padding: clamp(28px, 5vw, 56px);
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  margin-bottom: 18px;
  color: var(--muted);
  font-size: 14px;
  font-weight: 800;
}

.eyebrow::before {
  width: 9px;
  height: 9px;
  content: "";
  border-radius: 999px;
  background: var(--accent-2);
}

h1 {
  max-width: 780px;
  margin: 0;
  font-size: clamp(42px, 8vw, 86px);
  line-height: 1.02;
  letter-spacing: 0;
}

h2 {
  margin: 0 0 14px;
  font-size: clamp(26px, 4vw, 38px);
  line-height: 1.15;
  letter-spacing: 0;
}

h3 {
  margin: 28px 0 8px;
  font-size: 21px;
  line-height: 1.35;
}

p {
  margin: 0 0 14px;
}

.lead {
  max-width: 720px;
  margin-top: 22px;
  color: #343a34;
  font-size: clamp(18px, 2.6vw, 24px);
  font-weight: 700;
}

.actions {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
}

.button {
  min-height: 48px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 0 18px;
  border: 1px solid var(--ink);
  border-radius: 999px;
  background: var(--ink);
  color: #fff;
  font-weight: 800;
  text-decoration: none;
}

.button.secondary {
  background: transparent;
  color: var(--ink);
}

.grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 14px;
  margin: 18px 0 0;
}

.feature {
  min-height: 132px;
  padding: 20px;
  border: 1px solid rgba(18, 21, 18, 0.08);
  border-radius: 22px;
  background: rgba(255, 255, 255, 0.54);
}

.feature strong {
  display: block;
  margin-bottom: 6px;
  font-size: 18px;
}

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

.panel {
  margin-top: 18px;
  padding: clamp(24px, 4vw, 36px);
}

.content {
  max-width: 760px;
}

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

.content li {
  margin: 8px 0;
}

.stamp {
  display: inline-flex;
  margin-top: 18px;
  padding: 8px 12px;
  border: 1px solid var(--line);
  border-radius: 999px;
  color: var(--muted);
  font-size: 13px;
  font-weight: 800;
}

.footer {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  margin-top: 34px;
  color: var(--muted);
  font-size: 14px;
}

.icp-link {
  color: inherit;
  text-decoration: none;
}

.icp-link:hover,
.icp-link:focus-visible {
  color: var(--ink);
  text-decoration: underline;
}

@media (max-width: 720px) {
  .page {
    width: min(100% - 24px, 960px);
    padding-top: 22px;
  }

  .topbar {
    align-items: flex-start;
    flex-direction: column;
    margin-bottom: 24px;
  }

  .nav {
    width: 100%;
    justify-content: space-between;
  }

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