body{
    background-color:#4D4D4D;
}
.img-container{
    width:1200px;
    margin: 50px auto;
    height:auto;
}
.img-list{
    margin:10px auto;
    width:auto;
}
.img-item{
    text-align: center;
    margin-bottom:15px;
    width:100%;
    position:relative;
}

.img-item img{
    width:auto;
    max-width:100%;
}
.cover-panel{
    text-align: center;
    position: absolute;
    z-index: 100;
    bottom: 20px;
    width: 800px;
    height: 338px;
    left: 50%;
    margin-left: -400px;
}
.cover-panel .white-panel{
    opacity:0.7;
    width:100%;
    margin:0 auto;
    background-color:#fff;
    height:60px;
    background: -moz-linear-gradient(top, #fff 0%, #fff 100%) ;
    background: -webkit-gradient(linear, left top, left bottom, color-stop(0%,#fff), color-stop(100%,#fff))  ;
    background: -webkit-linear-gradient(top, #fff 0%,#fff 100%) ;
    background: -o-linear-gradient(top, #fff 0%,#fff 100%) ;
    background: -ms-linear-gradient(top, #fff 0%,#fff 100%)
}
.cover-panel .upgrade-tips{
    height:278px;
    font-size:16px;
    width:100%;
    text-align:center;
    margin:0 auto;
    background-color:#fff;
    line-height:34px;
}
.download-area{
    position: fixed;
    top:0;
    width:100%;
    height:40px;
    background-color:#474747;
    z-index:10;
    text-align: center;
}
.download-area .download-wrapper{
    position:relative;
    width:100%;
    height: 100%;
}
.download-area .download-title{
    position: absolute;
    color:#fff;
    display: inline-block;
    margin-top:10px;
    left:10px;
}
.download-area .page-span{
    position:absolute;
    padding-top:10px;
    color:#fff;
    display: inline-block;
    width:80px;
    left:50%;
    margin-left:-40px;
}
.download-area .download-btn{
    position: absolute;
    cursor:pointer;
    width:80px;
    height:30px;
    padding-top:10px;
    text-align: center;
    display:block;
    right:60px;
    color:#fff;
    border:1px solid #474747;
    text-decoration: none;
}
.cover-panel .upgrade-tips a{
	color: #fff;
    display: inline-block;
    padding: 0px 20px;
    background-color: #ff7800;
    border-radius: 4px;
    text-decoration: none;
}