@charset "utf-8";
/* CSS Document */
#s40004{ overflow:hidden}

        *{
         margin: 0;
         padding: 0;
         box-sizing: border-box;
      }
     
      .liuxing{
         position: absolute;
         top: 0;
         left: 0;
         background: #000;
         background-position-x: center;
         background-size: cover;
         width: 100%;
         animation: background 68s linear infinite;
      }
      @keyframes background {
         0%{ transform:scale(1);}
         55%{ transform:scale(1.3);}
         100%{ transform: scale(1);}
      }
      .liu{
         position: absolute;
         left: 50%;
         top: 45%;
         width: 5px;
         height: 5px;
         background: white;
         border-radius: 50%;
         box-shadow: 0 1px 0 5px rgba(254, 254, 255, 0.2), 0 1px 0 7px rgba(245, 254, 255, 0.1), 0 1px 21px rgba(253, 253, 245, 1) ;
         animation: anim 3s ease-in-out infinite;
      }
      .liu::before{
         content: '';
         width: 290px;
         height: 2px;
         position: absolute;
         top: 53%;
         transform: translateY(-45%);
         background: linear-gradient(90deg, rgba(255, 255, 255, 1), transparent);
      }
      @keyframes anim {
         0%{ transform: rotate(325deg) translateX(0); opacity: 1; }
         40%{ opacity: 0.8; }
         70%{ opacity: 1; }
         100%{ transform: rotate(325deg) translateX(-1400px); opacity: 0; }
      }
      .liu:nth-child(1){
         top: 0;
         right: 0;
         left: inherit;
         animation-delay: 0 ;
         animation-duration: 1s;
      }
      .liu:nth-child(2){
         top: 0;
         right: 70px;
         left: inherit;
         animation-delay: 0.3s;
         animation-duration: 4s;
      }
      .liu:nth-child(3){
         top: 70px;
         right: 0px;
         left: inherit;
         animation-delay: 0.3s ;
         animation-duration: 3s;
      }
      .liu:nth-child(4){
         top: 0;
         right: 170px;
         left: initial;
         animation-delay: 0.7s;
	  }