/* 粒子效果样式 */
.particles-container {
  position: absolute;
  top: 0;
  left: 0;
  width: 100%;
  height: 100%;
  z-index: 0;
  pointer-events: none;
  overflow: hidden;
}

.particle {
  position: absolute;
  background: rgba(255, 255, 255, 0.6);
  border-radius: 50%;
  pointer-events: none;
  opacity: 0;
  animation: particleFloat linear infinite;
}

/* 粒子浮动动画 */
@keyframes particleFloat {
  0% {
    opacity: 0;
    transform: translateY(100vh) scale(0);
  }

  10% {
    opacity: 0.8;
  }

  90% {
    opacity: 0.8;
  }

  100% {
    opacity: 0;
    transform: translateY(-100px) scale(1);
  }
}

/* 主视觉图片呼吸效果 */
@keyframes breathe {
  0%,
  100% {
    transform: translate(-50%, -50%) scale(1);
    opacity: 0.95;
  }

  50% {
    transform: translate(-50%, -50%) scale(1.02);
    opacity: 1;
  }
}

/* 背景渐变动画 */
@keyframes bgGradient {
  0% {
    background: linear-gradient(0deg, #00d8ff -23.27%, #0030ff 88.55%);
  }

  50% {
    background: linear-gradient(0deg, #00b8ff -23.27%, #0040ff 88.55%);
  }

  100% {
    background: linear-gradient(0deg, #00d8ff -23.27%, #0030ff 88.55%);
  }
}

/* 内容载入动画 */
@keyframes contentFadeIn {
  from {
    opacity: 0;
    transform: translateY(30px);
  }

  to {
    opacity: 1;
    transform: translateY(0);
  }
}

/* 新闻项悬停动画 */
@keyframes newsItemHover {
  from {
    transform: translateX(0);
    box-shadow: none;
  }

  to {
    transform: translateX(10px);
    box-shadow: 0 4px 15px rgba(0, 0, 0, 0.1);
  }
}