.starry-canvas { position: absolute; top: 0; left: 0; width: 100vw; height: 100vh; background-color: #0a0a1a; /* 深蓝色夜空 */ z-index: 0; } .content { position: relative; z-index: 1; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: center; align-items: center; color: #ffffff; padding: 20rpx; } .title { font-size: 60rpx; font-weight: bold; margin-bottom: 20rpx; text-shadow: 0 0 10rpx rgba(255, 255, 255, 0.5); } .subtitle { font-size: 32rpx; opacity: 0.9; }