:root {
  color-scheme: light;
  --bg: #f5f8ff;
  --panel: #ffffff;
  --text: #17233d;
  --muted: #63708a;
  --line: #e5ebf5;
  --blue: #246bfe;
  --blue-dark: #1554d1;
  --green: #19b982;
  --shadow: 0 22px 60px rgba(57, 83, 132, 0.13);
  font-family:
    Inter, ui-sans-serif, system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI",
    "PingFang SC", "Microsoft YaHei", sans-serif;
}

* {
  box-sizing: border-box;
}

html {
  min-height: 100%;
  scroll-behavior: smooth;
}

body {
  min-width: 320px;
  min-height: 100svh;
  margin: 0;
  color: var(--text);
  background:
    radial-gradient(circle at 82% 18%, rgba(36, 107, 254, 0.13), transparent 24rem),
    linear-gradient(180deg, #f7fbff 0%, var(--bg) 52%, #ffffff 100%);
}

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

img {
  display: block;
  max-width: 100%;
}

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

h1 {
  max-width: 620px;
  margin-bottom: 22px;
  font-size: clamp(2.8rem, 6vw, 5.55rem);
  line-height: 1.03;
  letter-spacing: 0;
}

h2 {
  margin-bottom: 0;
  font-size: clamp(1.9rem, 3vw, 3rem);
  line-height: 1.08;
  letter-spacing: 0;
}

@media (prefers-reduced-motion: reduce) {
  *,
  *::before,
  *::after {
    scroll-behavior: auto !important;
    transition-duration: 0.01ms !important;
  }
}
