:root {
  --text: #f4f7ff;
  --muted: #d8defa;
  --primary: #7bb5ff;
  --primary-strong: #4f8cff;
  --shadow: 0 28px 70px rgba(44, 34, 120, 0.28);
  --max: 1180px;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

body {
  margin: 0;
  font-family: "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  color: var(--text);
  background:
    radial-gradient(circle at 8% 12%, rgba(191, 111, 255, 0.32), transparent 22%),
    radial-gradient(circle at 88% 18%, rgba(131, 170, 255, 0.24), transparent 24%),
    linear-gradient(135deg, #9d5cf3 0%, #6e63ea 38%, #4f82ea 72%, #4b7fe6 100%);
}

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

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

.container {
  width: min(var(--max), calc(100% - 32px));
  margin: 0 auto;
}

.section {
  padding: 22px 0;
}

.hero {
  padding: 52px 0 18px;
}

.eyebrow {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  padding: 9px 14px;
  border-radius: 999px;
  background: rgba(62, 166, 255, 0.12);
  border: 1px solid rgba(62, 166, 255, 0.2);
  color: #dceeff;
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.03em;
}

h1 {
  margin: 20px 0 16px;
  font-size: clamp(40px, 5.6vw, 68px);
  line-height: 1.02;
  letter-spacing: -0.04em;
}

.section-head {
  margin-bottom: 18px;
}

.section-head h2 {
  margin: 0 0 8px;
  font-size: clamp(30px, 4vw, 46px);
  line-height: 1.08;
  letter-spacing: -0.03em;
}

.hero-lead,
.section-head p {
  color: var(--muted);
  line-height: 1.8;
}

@media (max-width: 780px) {
  h1 {
    font-size: 38px;
  }
}