.tkc-data{
    width: 100%;
    position: absolute;
    top: 667px;
    z-index: 99;
}
.tkc-data .center{
    background-color: #fff;
    border: 1px solid #e5e5e5;
    display: flex;
    justify-content: center;
}
.data{
    padding: 80px;
    width: 350px;
    text-align: center;
    font-size: 14px;
}
.data-big{
    font-size: 36px;
}
.data-top{
    color: #666;
}
.data-button{
    color: #999;
}

.tkc-about{
    padding: 160px 0;
}
.about{
    margin-left: 750px;
    padding-top: 100px;
}
.about-fg{
    color: #fc6;
    line-height: 50px;
    font-weight: bolder;
}
.about-body{
    margin-top: 40px;
    font-size: 14px;
    color: #666;
    line-height: 30px;
    text-indent: 2em;
}

.tkc-product{
    width: 100%;
    padding: 100px 0;
}
.product-title{
    text-align: center;
}
.product-fg{
    text-align: center;
    font-weight: bolder;
    color: #fc6;
    line-height: 50px;
}
.products{
    margin-top: 60px;
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.product{
    width: 21%;
    padding: 30px;
    text-align: center;
    line-height: 30px;
}
.product:hover{
    box-shadow: 0 0 16px 0 rgba(7, 17, 27, .1);
}
.product:hover img{
    transform:scale(1.2);
}
.product-img{
    width: 100%;
    height: 300px;
    overflow: hidden;
    border: 1px solid #e5e5e5;
}
.product-img img{
    width: 100%;
    height: 100%;
    transition-duration:0.5s;
}
.product a:active{color: #666;}
.product a:link{color: #666;}
.product a:hover{color: #fc6;}
.product a:visited{color: #666;}

.tkc-jyln{
    padding: 100px 0 300px;
    text-align: center;
}
.jyln-fg {
    text-align: center;
    font-weight: bolder;
    color: #fc6;
    line-height: 50px;
}
.jyln-p{
    width: 800px;
    margin: 40px auto 0;
    color: #666;
    font-size: 14px;
    line-height: 30px;
}
.tkc-cases{
    width: 100%;
    display: flex;
    justify-content: space-between;
}
.case{
    margin-top: 100px;
    width: 25%;
    height: 300px;
    overflow: hidden;
}
.case:hover img{
    transform:scale(1.2);
}
.case img {
    transition-duration: 0.5s;
    width: 100%;
    height: 100%;
}