*, ::before, ::after
{
    -moz-box-sizing: border-box;
    -webkit-box-sizing: border-box;
    box-sizing: border-box;
}/*top title*//*----------------------------------------*/
.top-title
{
    position: relative;
    width: 83.3%;
    margin-left: auto;
    margin-right: auto;
}
.top-title img
{
    width: 100%;
}
.top-title img:nth-child(2)
{
    position: absolute;
    top: 0;
    left: 0;
}
@media only screen and (max-width: 1299px)
{
    .top-title
    {
        width: 90%;
    }
}
@media only screen and (max-width: 1024px)
{
    .top-area
    {
        margin-left: 0;
        margin-right: 0;
    }
    .top-title
    {
        width: 100%;
    }
}/*----------------------------------------*//*top title end*//*正文内容*//*----------------------------------------*/
.subtitle-item
{
    width: 100%;
    position: relative;
}
.subtitle-item figure
{
    width: 100%;
    padding-bottom: 36.46%;
}
.jianjie figure
{
    background: url(/website/jingdiao/cn/images/about-us/jianjie.png);
    background-position: center;
    background-size: 100%;
    background-repeat: no-repeat;
}
.subtitle-content
{
    position: absolute;
    color: #fff;
    width: 42%;
}
.jianjie .subtitle-content
{
    right: 11.5%;
    top: 20%;
}
.part-title
{
    line-height: 1;
    color: #fff;
    text-align: left;
}
.part-desc
{
    line-height: 1.75;
    color: #fff;
    text-align: left;
}
.keyan figure
{
    background: url(/website/jingdiao/cn/images/about-us/keyan.png);
    background-position: center;
    background-size: 100%;
    background-repeat: no-repeat;
}
.keyan .subtitle-content
{
    left: 11.5%;
    top: 20%;
}
.shengchan figure
{
    background: url(/website/jingdiao/cn/images/about-us/shengchan.png);
    background-position: center;
    background-size: 100%;
    background-repeat: no-repeat;
}
.shengchan .subtitle-content
{
    left: 0;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    -moz-transform: translateY(-50%);
    -ms-transform: translateY(-50%);
    -webkit-transform: translateY(-50%);
    width: 62%;
    margin: auto;
}
.shengchan .part-title
{
    text-align: center;
}
.pt-part .part-items
{
    display: flex;
    display: -ms-flexbox;
    display: -webkit-flex;
    flex-wrap: wrap;
    -ms-flex-wrap: wrap;
    -webkit-flex-wrap: wrap;
}
.pt-part .part-items .part-item
{
    display: block;
    width: calc((100% - 2.5%) / 3);
    margin-right: 1.25%;
}
.pt-part .part-items .part-item:nth-child(3n)
{
    margin-right: 0;
}
.pt-part .part-items .part-item .part-item-img
{
    overflow: hidden;
    position: relative;
}
.pt-part .part-items .part-item .part-item-img figure
{
    width: 100%;
    transition: all .6s;
    -moz-transition: all .6s;
    -webkit-transition: all .6s;
    -ms-transition: all .6s;
    -o-transition: all .6s;
}
.pt-part2 .part-items .part-item .part-item-img figure, .pt-part3 .part-items .part-item .part-item-img figure, .pt-part4 .part-items .part-item .part-item-img figure
{
    padding-bottom: 56.25%;
}
.pt-part2 .part-items .part-item:nth-child(1) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part201.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part2 .part-items .part-item:nth-child(2) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part202.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part2 .part-items .part-item:nth-child(3) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part203.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part3 .part-items .part-item:nth-child(1) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part301.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part3 .part-items .part-item:nth-child(2) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part302.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part3 .part-items .part-item:nth-child(3) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part303.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part3 .part-items .part-item:nth-child(4) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part304.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part3 .part-items .part-item:nth-child(5) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part305.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part4 .part-items .part-item:nth-child(1) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part401.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part4 .part-items .part-item:nth-child(2) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part402.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part4 .part-items .part-item:nth-child(3) .part-item-img figure
{
    background-image: url('/website/jingdiao/cn/images/about-us/part403.png');
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
}
.pt-part .part-items .part-item .part-item-img .img-mask
{
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: #2d2d2d;
    opacity: 0;
    -moz-opacity: 0;
    -webkit-opacity: 0;
    filter: alpha(opacity=0);
    transition: all .6s;
    -moz-transition: all .6s;
    -webkit-transition: all .6s;
    -ms-transition: all .6s;
    -o-transition: all .6s;
}
.pt-part .part-items .part-item:hover .part-item-img figure
{
    transform: scale(1.1);
    -o-transform: scale(1.1);
    -ms-transform: scale(1.1);
    -moz-transform: scale(1.1);
    -webkit-transform: scale(1.1);
}
.pt-part .part-items .part-item:hover .part-item-img .img-mask
{
    opacity: .3;
    -moz-opacity: .3;
    -webkit-opacity: .3;
    filter: alpha(opacity=30);
}
.pt-part .part-items .part-item .part-item-info
{
    padding: 0 16px;
}
.pt-part .part-items .part-item .part-item-title
{
    text-align: center;
}
.pt-part .part-items .part-item .part-item-desc
{
    font-family: "Helvetica LT Pro","HarmonyOS_Sans_SC_Regular";
    text-align: center;
    font-size: 18px;
    line-height: 2;
    color: #333;
}
@media only screen and (max-width: 1299px)
{
    .subtitle-content
    {
        width: 45%;
    }
    .jianjie .subtitle-content
    {
        right: 8%;
        top: 18%;
    }
    .keyan .subtitle-content
    {
        left: 8%;
        top: 18%;
    }
    .shengchan .subtitle-content
    {
        width: 62%;
    }
    .pt-part .part-items .part-item .part-item-desc
    {
        font-size: 16px;
    }
}
@media only screen and (max-width: 1024px)
{
    .part-subtitle
    {
        margin-bottom: 10px;
    }
    .subtitle-item figure
    {
        padding-bottom: 80%;
    }
    .jianjie figure
    {
        background: url(/website/jingdiao/cn/images/about-us/jianjie-m.png);
        background-position: center;
        background-size: 100%;
        background-repeat: no-repeat;
    }
    .keyan figure
    {
        background: url(/website/jingdiao/cn/images/about-us/keyan-m.png);
        background-position: center;
        background-size: 100%;
        background-repeat: no-repeat;
    }
    .shengchan figure
    {
        background: url(/website/jingdiao/cn/images/about-us/shengchan-m.png);
        background-position: center;
        background-size: 100%;
        background-repeat: no-repeat;
    }
    .subtitle-content, .jianjie .subtitle-content, .keyan .subtitle-content, .shengchan .subtitle-content
    {
        position: relative;
        width: auto;
        margin-left: 3.8%;
        margin-right: 3.8%;
        left: 0;
        right: 0;
        top: 0;
        transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -webkit-transform: none;
    }
    .part-title
    {
        color: #000;
        text-align: center;
    }
    .part-desc
    {
        color: #333;
        text-align: center;
    }
    .part-items
    {
        margin-left: 3.8%;
        margin-right: 3.8%;
    }
    .pt-part .part-main-desc
    {
        text-align: left;
    }
    .pt-part .part-items
    {
        display: block;
    }
    .pt-part .part-items .part-item
    {
        width: 100%;
        margin-right: 0;
    }
    .pt-part2 .part-items .part-item .part-item-img figure, .pt-part3 .part-items .part-item .part-item-img figure, .pt-part4 .part-items .part-item .part-item-img figure
    {
        padding-bottom: 46.38%;
    }
    .pt-part2 .part-items .part-item:nth-child(1) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part201-m.png');
    }
    .pt-part2 .part-items .part-item:nth-child(2) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part202-m.png');
    }
    .pt-part2 .part-items .part-item:nth-child(3) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part203-m.png');
    }
    .pt-part3 .part-items .part-item:nth-child(1) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part301-m.png');
    }
    .pt-part3 .part-items .part-item:nth-child(2) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part302-m.png');
    }
    .pt-part3 .part-items .part-item:nth-child(3) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part303-m.png');
    }
    .pt-part3 .part-items .part-item:nth-child(4) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part304-m.png');
    }
    .pt-part3 .part-items .part-item:nth-child(5) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part305-m.png');
    }
    .pt-part4 .part-items .part-item:nth-child(1) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part401-m.png');
    }
    .pt-part4 .part-items .part-item:nth-child(2) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part402-m.png');
    }
    .pt-part4 .part-items .part-item:nth-child(3) .part-item-img figure
    {
        background-image: url('/website/jingdiao/cn/images/about-us/part403-m.png');
    }
    .pt-part .buttonBox
    {
        width: 200px;
    }
    .pt-part .part-items .part-item .part-item-img .img-mask
    {
        display: none;
    }
    .pt-part .part-items .part-item:hover .part-item-img figure
    {
        transform: none;
        -moz-transform: none;
        -ms-transform: none;
        -webkit-transform: none;
    }
    .pt-part .part-items .part-item .part-item-info
    {
        padding: 0;
    }
    .pt-part .part-items .part-item .part-item-desc
    {
        line-height: 1.7;
    }
}
@media only screen and (max-width: 450px)
{
    .pt-part .part-items .part-item .part-item-info .part-item-desc
    {
        font-size: 14px;
    }
    .part-subtitle
    {
        margin-bottom: 8px;
    }
}/*----------------------------------------*//*正文内容 end*/