/* 自定义基础样式，配合 TailwindCSS 使用 */

body {
  font-family: system-ui, -apple-system, BlinkMacSystemFont, "Segoe UI", sans-serif;
  color: #111827;
}

.site-gradient {
  background: radial-gradient(circle at top left, #e0f2fe 0, #eff6ff 35%, #ffffff 70%);
}

.nav-blur {
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
}

.section-title {
  position: relative;
  padding-left: 1.25rem;
}

.section-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 0.35rem;
  width: 0.25rem;
  height: 1.5rem;
  border-radius: 9999px;
  background: linear-gradient(180deg, #3b82f6, #22c55e);
}

.card-hover {
  transition: transform 200ms ease, box-shadow 200ms ease;
}

.card-hover:hover {
  transform: translateY(-4px);
  box-shadow: 0 25px 50px -12px rgba(15, 23, 42, 0.15);
}

.timeline-line {
  position: absolute;
  left: 1.25rem;
  top: 0;
  bottom: 0;
  width: 2px;
  background: linear-gradient(to bottom, #3b82f6, #22c55e);
}

.timeline-dot {
  width: 0.75rem;
  height: 0.75rem;
  border-radius: 9999px;
  background: #ffffff;
  border: 2px solid #3b82f6;
}

.footer-link {
  color: #9ca3af;
  text-decoration: none;
}

.footer-link:hover {
  color: #e5e7eb;
}