#st .nav-down{display:none !important;}
.banner .slick-slide a{overflow: hidden;}

.banner .slick-slide img{
        animation-name: scaleDraw; /*关键帧名称*/
        animation-timing-function: ease-in-out; /*动画的速度曲线*/
        animation-iteration-count: infinite; /*动画播放的次数*/
        animation-duration: 6s;}
    @keyframes scaleDraw {
      /*定义关键帧、scaleDrew是需要绑定到选择器的关键帧名称*/
      0% {
        transform: scale(1);}
       10% {
        transform: scale(1.01);}
       20% {
        transform: scale(1.02);}
       30% {
        transform: scale(1.03);}
       40% {
        transform: scale(1.04);}
      50% {
        transform: scale(1.05);}
      60% {
        transform: scale(1.06);}
      70% {
        transform: scale(1.07);} 
      80% {
        transform: scale(1.08);}
      90% {
        transform: scale(1.09);}
      100% {
        transform: scale(1.1);}
          }