:root {
  color-scheme: light;
  --bg: #0f1115;
  --card: #171a21;
  --primary: #7c5cff;
  --primary-strong: #6a4cff;
  --text: #f7f7fb;
  --muted: #c7c9d3;
  --line: rgba(255, 255, 255, 0.08);
}

* {
  box-sizing: border-box;
  margin: 0;
  padding: 0;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB",
    "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
  background: radial-gradient(circle at top, #1c1f2a 0%, #0f1115 60%);
  color: var(--text);
  line-height: 1.6;
}

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

.page {
  max-width: 1200px;
  margin: 0 auto;
  padding: 32px 24px 48px;
  min-height: 100vh;
  display: flex;
  flex-direction: column;
  gap: 40px;
}

.nav {
  display: flex;
  justify-content: space-between;
  align-items: center;
}

.brand {
  font-size: 20px;
  font-weight: 700;
  letter-spacing: 0.3px;
}

.nav-links {
  display: flex;
  gap: 20px;
  font-size: 14px;
  color: var(--muted);
}

.nav-links a:hover {
  color: var(--text);
}

.hero {
  display: grid;
  grid-template-columns: minmax(0, 1.1fr) minmax(0, 0.9fr);
  gap: 32px;
  align-items: center;
}

.hero-content h1 {
  font-size: clamp(32px, 4vw, 56px);
  margin: 12px 0 16px;
}

.eyebrow {
  text-transform: uppercase;
  letter-spacing: 2px;
  font-size: 12px;
  color: var(--muted);
}

.subtitle {
  font-size: 18px;
  color: var(--muted);
  max-width: 560px;
}

.hero-actions {
  display: flex;
  gap: 16px;
  margin-top: 24px;
}

.primary,
.ghost {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  padding: 12px 22px;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.2s ease;
}

.primary {
  background: var(--primary);
  color: white;
  box-shadow: 0 10px 30px rgba(124, 92, 255, 0.35);
}

.primary:hover {
  background: var(--primary-strong);
}

.ghost {
  border: 1px solid var(--line);
  color: var(--text);
}

.ghost:hover {
  border-color: rgba(255, 255, 255, 0.3);
}

.hero-card {
  background: var(--card);
  border: 1px solid var(--line);
  border-radius: 24px;
  padding: 24px;
  backdrop-filter: blur(12px);
}

.card-title {
  font-weight: 600;
  margin-bottom: 12px;
  font-size: 16px;
}

.hero-card ul {
  list-style: none;
  display: grid;
  gap: 12px;
  color: var(--muted);
}

.features {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
  gap: 20px;
}

.feature {
  padding: 20px;
  border: 1px solid var(--line);
  border-radius: 16px;
  background: rgba(23, 26, 33, 0.6);
}

.feature h3 {
  margin-bottom: 8px;
  font-size: 18px;
}

.feature p {
  color: var(--muted);
  font-size: 14px;
}

.footer {
  border-top: 1px solid var(--line);
  padding-top: 20px;
  display: flex;
  flex-direction: column;
  gap: 12px;
  color: var(--muted);
  font-size: 13px;
}

.footer-links {
  display: flex;
  gap: 16px;
}

@media (max-width: 900px) {
  .hero {
    grid-template-columns: 1fr;
  }

  .hero-card {
    order: -1;
  }

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