body {
  font-family: -apple-system, BlinkMacSystemFont, 'Segoe UI', 'Roboto', 'Helvetica', 'Arial', sans-serif;
  background-color: #f5f5f7;
  color: #1d1d1f;
  line-height: 1.47059;
  font-weight: 400;
  letter-spacing: -.022em;
  margin: 0;
  padding: 0;
}

.top-panel {
  background-color: rgba(255, 255, 255, 0.8);
  padding: 20px 0;
  box-shadow: 0 2px 4px rgba(0,0,0,0.1);
  position: fixed;
  top: 0;
  left: 0;
  right: 0;
  z-index: 1000;
}

.panel-content {
  max-width: 980px;
  margin: 0 auto;
  display: flex;
  justify-content: space-around;
}

.panel-item {
  text-decoration: none;
  color: #1d1d1f;
  font-size: 16px;
  font-weight: 500;
}

.container {
  display: flex;
  justify-content: center;
  align-items: center;
  height: calc(100vh - 60px); /* 减去顶部面板的高度 */
}

.animated-title {
  font-size: 150px;
  font-weight: 700;
  color: #000;
  animation: fadeInScale 1.5s ease-out;
}

@keyframes fadeInScale {
  0% {
    opacity: 0;
    transform: scale(0.5);
  }
  100% {
    opacity: 1;
    transform: scale(1);
  }
}