/* 文章页顶部封面下的波浪 */
/* 波浪css */  
.main-hero-waves-area {  
  width: 100%;  
  position: absolute;  
  left: 0;  
  bottom: -11px;  
  z-index: 5;  
}  
.waves-area .waves-svg {  
  width: 100%;  
  height: 5rem;  
}  
/* Animation */  
  
.parallax > use {  
  animation: move-forever 25s cubic-bezier(0.55, 0.5, 0.45, 0.5) infinite;  
}  
.parallax > use:nth-child(1) {  
  animation-delay: -2s;  
  animation-duration: 7s;  
  fill: #f7f9febd;  
}  
.parallax > use:nth-child(2) {  
  animation-delay: -3s;  
  animation-duration: 10s;  
  fill: #f7f9fe82;  
}  
.parallax > use:nth-child(3) {  
  animation-delay: -4s;  
  animation-duration: 13s;  
  fill: #f7f9fe36;  
}  
.parallax > use:nth-child(4) {  
  animation-delay: -5s;  
  animation-duration: 20s;  
  fill: #f7f9fe;  
}  
/* 黑色模式背景 */  
[data-theme="dark"] .parallax > use:nth-child(1) {  
  animation-delay: -2s;  
  animation-duration: 7s;  
  fill: #18171dc8;  
}  
[data-theme="dark"] .parallax > use:nth-child(2) {  
  animation-delay: -3s;  
  animation-duration: 10s;  
  fill: #18171d80;  
}  
[data-theme="dark"] .parallax > use:nth-child(3) {  
  animation-delay: -4s;  
  animation-duration: 13s;  
  fill: #18171d3e;  
}  
[data-theme="dark"] .parallax > use:nth-child(4) {  
  animation-delay: -5s;  
  animation-duration: 20s;  
  fill: #18171d;  
}  
  
@keyframes move-forever {  
  0% {  
    transform: translate3d(-90px, 0, 0);  
  }  
  100% {  
    transform: translate3d(85px, 0, 0);  
  }  
}  
/*Shrinking for mobile*/  
@media (max-width: 768px) {  
  .waves-area .waves-svg {  
    height: 40px;  
    min-height: 40px;  
  }  
}