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

html, body {
  height: 100%;
}

body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', Roboto, 'Helvetica Neue', Arial, sans-serif;
  background-color: #fafafa;
  color: #1a1a1a;
  display: flex;
  flex-direction: column;
}

.container {
  flex: 1;
  display: flex;
  flex-direction: column;
  justify-content: center;
  align-items: center;
  padding: 2rem;
}

.title {
  font-size: 2.5rem;
  font-weight: 300;
  letter-spacing: 0.1em;
  margin-bottom: 3rem;
  color: #1a1a1a;
}

.tech-stack {
  display: flex;
  flex-wrap: wrap;
  gap: 1rem;
  justify-content: center;
}

.tech-item {
  padding: 0.75rem 1.5rem;
  background-color: #fff;
  border: 1px solid #e0e0e0;
  border-radius: 4px;
  font-size: 0.95rem;
  color: #333;
  transition: all 0.2s ease;
  cursor: default;
}

.tech-item:hover {
  border-color: #1a1a1a;
  transform: translateY(-2px);
  box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
}

.footer {
  padding: 2rem;
  text-align: center;
  font-size: 0.85rem;
  color: #888;
}

.footer p {
  margin: 0.25rem 0;
}

.footer a {
  color: #888;
  text-decoration: none;
  transition: color 0.2s ease;
}

.footer a:hover {
  color: #1a1a1a;
}

/* 移动端适配 */
@media (max-width: 600px) {
  .title {
    font-size: 1.75rem;
  }

  .tech-item {
    padding: 0.6rem 1rem;
    font-size: 0.85rem;
  }
}