.enterframe{
		  width:100%;
		  height:100%;
		  position: absolute;
          top: 0;
		  
		  left:0;
		  text-align: center;
	 
		  
	  }
	  .enterimg{
           width: 250px;
		   cursor:pointer;
		       display: block;
    position: absolute;
    left: 50%;
bottom:15%;
    /* 图片宽度高度的一半才能居中 */
    margin-left: -125px;

	  }
	   .enterinfo{
		   width: 400px;
		   position: absolute;
    left: 50%;
bottom:30%;
		    margin-left: -200px;
	  }
	  .enterlayer{
		   width:100%;
		  height:100%;
		  background-color:#000000;
		     opacity: 0.4;
			     position: absolute;
    top: 0;
    left: 0;
	  }
	  @media screen and (max-width: 750px) {
      .enterimg{
           width:200px;
		   cursor:pointer;
		       display: block;
    position: absolute;
    left: 50%;
       bottom:20%;
    /* 图片宽度高度的一半才能居中 */
    margin-left: -100px;

	  }
	  .enterinfo{
		   position: absolute;
    left: 50%;
bottom:30%;
		   width:300px;
		    margin-left: -150px;
	  }
}