.world-works{
    padding-top: 50px;
    background-color: #f5f5f5;
}
.world-works-box{
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
}
.world-works-class-box{
    width: 100%;
    display: block;
    font-size: 0;
}
.world-works-class{
    width: 160px;
    max-width: 100%;
    display: inline-block;
    vertical-align: top;
    margin-bottom: 10px;
    border: 1px solid #d1d1d1;
    color: #888888;
    background-color: #fff;
    height: 46px;
    line-height: 44px;
    box-sizing: border-box;
    text-align: center;
    font-size: 14px;
    letter-spacing: 2px;
    margin-right: 13px;
    transition: all .5s ease;
}
.world-works-class:hover,
.world-works-class.active {
    background-color: #764d36;
    color: #fff;
}
.world-works-class:nth-child(7n+7){
    margin-right: 0;
}
#index .world-works-list-box{
    /* padding-top: 0; */
}
.world-works-list-box{
    width: 100%;
    display: block;
    font-size: 0;
    padding: 50px 0;
    position: relative;
}
.world-works-list{
    width: 280px;
    max-width: 100%;
    height: 200px;
    display: inline-block;
    vertical-align: top;
    overflow: hidden;
    position: relative;
    margin-right: 26px;
    margin-bottom: 26px;
    cursor: pointer;
}
.world-works-list-box .world-works-list:nth-child(4n+4){
    margin-right: 0;
}

.world-works-list-img-box{
    width: 270px;
    max-width: 100%;
    float: right;
    height: 100%;
    display: block;
    overflow: hidden;
}
.world-works-list-title{
    padding: 10px;
    box-sizing: border-box;
    position: absolute;
    bottom: 20px;
    left: 0;
    background-color: #FFF;
    font-size: 14px;
    letter-spacing: 2px;
}
.world-works-list-title> span{
    display: block;
    font-size: 16px;
    font-weight: bold;
    position: relative;
    z-index: 1;
    transition: all .5s ease;
}
.world-works-list-title> span:nth-child(2){
    font-size: 12px;
    color: #888888;
}
.world-works-more-box{
    text-align: center;
    border-bottom: 1px solid #d1d1d1;
}
.world-works-more-box a{
   width: 150px;
}


/*---------------------------------*/
.works-box {
    width: 1200px;
    max-width: 100%;
    display: block;
    margin: 0 auto;
    font-size: 0;
}
.works-list-box {
    width: 100%;
    display: block;
    font-size: 0;
    padding: 50px 0;
}

.works-list-box .world-works-list:nth-child(4n+4){
    margin-right: 0;
}

.world-cases-list-mask{
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0%;
    left: 0;
    opacity: 0.5;
    transition: all 1s ease;
    background: -moz-linear-gradient(top, rgba(0,0,0,1) 31%, rgba(0,0,0,0.97) 33%, rgba(0,0,0,0) 100%);
    background: -webkit-linear-gradient(top, rgba(0,0,0,1) 31%,rgba(0,0,0,0.97) 33%,rgba(0,0,0,0) 100%);
    background: linear-gradient(to bottom, rgba(0,0,0,1) 31%,rgba(0,0,0,0.97) 33%,rgba(0,0,0,0) 100%);
    filter: progid:DXImageTransform.Microsoft.gradient( startColorstr='#000000', endColorstr='#00000000',GradientType=0 );
    display: none;
}