:root {
  color-scheme: light;
  --bg: #f5f7fb;
  --card: #ffffff;
  --text: #182033;
  --muted: #68728a;
  --primary: #3b6df6;
  --primary-dark: #2952c8;
  --border: #e5e9f2;
  font-family: Inter, "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  background: radial-gradient(circle at top left, #e5edff 0, transparent 32rem), var(--bg);
  color: var(--text);
}

.page-shell {
  width: min(1120px, calc(100% - 48px));
  margin: 0 auto;
  padding: 72px 0;
}

.hero {
  padding: 64px;
  border: 1px solid var(--border);
  border-radius: 28px;
  background: rgba(255, 255, 255, 0.88);
  box-shadow: 0 24px 80px rgba(47, 71, 126, 0.12);
}

.eyebrow {
  margin: 0 0 16px;
  color: var(--primary);
  font-size: 14px;
  font-weight: 700;
  letter-spacing: 0.12em;
  text-transform: uppercase;
}

h1 {
  margin: 0;
  font-size: clamp(40px, 7vw, 72px);
  line-height: 1.05;
}

.subtitle {
  max-width: 640px;
  margin: 24px 0 0;
  color: var(--muted);
  font-size: 20px;
  line-height: 1.7;
}

.actions {
  display: flex;
  align-items: center;
  gap: 18px;
  margin-top: 36px;
}

button,
.actions a {
  border-radius: 999px;
  font-size: 16px;
  font-weight: 700;
}

button {
  padding: 14px 24px;
  border: 0;
  background: var(--primary);
  color: #fff;
  cursor: pointer;
  box-shadow: 0 12px 32px rgba(59, 109, 246, 0.28);
}

button:hover {
  background: var(--primary-dark);
}

.actions a {
  color: var(--primary);
  text-decoration: none;
}

.cards {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 24px;
}

.card {
  padding: 28px;
  border: 1px solid var(--border);
  border-radius: 22px;
  background: var(--card);
}

.metric {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 44px;
  height: 44px;
  border-radius: 14px;
  background: #edf2ff;
  color: var(--primary);
  font-size: 20px;
  font-weight: 800;
}

.card h2 {
  margin: 20px 0 10px;
  font-size: 22px;
}

.card p {
  margin: 0;
  color: var(--muted);
  line-height: 1.7;
}

@media (max-width: 760px) {
  .page-shell {
    width: min(100% - 32px, 1120px);
    padding: 32px 0;
  }

  .hero {
    padding: 36px 28px;
  }

  .actions {
    align-items: flex-start;
    flex-direction: column;
  }

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