.contentContainer {
    max-width: 1675px;
    min-width: 1675px;
    width: 100%;
    margin: 0 auto;
}

.nav_container {
    max-width: 1675px;
    min-width: 1675px;
    width: 100%;
    margin: 0 auto;
}

.nav-list {
    /* text-align: center; */
    margin-left: 650px;
}

.nav-list li {
    float: left;
    width: 107px;
    margin: 0 auto;
    margin-top: 30px;
}

.nav-list li:nth-child(1) {
    /* background-color: #efefef; */
    border-radius: 20px;
    background: url("/statics/ynxcwv2/images/picture/shouye2.png") no-repeat 22px center;
}

.nav-list li:nth-child(2) {
    border-radius: 20px;
    background: #efefef url("/statics/ynxcwv2/images/picture/tupian2.png") no-repeat 22px center;
    margin-left: 20px;
}

.nav-list li:nth-child(3) {
    border-radius: 20px;
    background: url("/statics/ynxcwv2/images/picture/shipin.png") no-repeat 22px center;

    margin-left: 20px;
}

.nav-list li a {
    font-size: 16px;
    font-weight: bold;
    color: #747474;
    line-height: 40px;
    margin-left: 10px;
    padding-left: 40px;
}

.imgNavBtn {
    margin-top: 35px;
    padding-bottom: 18px;
    border-bottom: 1px solid #e5e5e5;
}

.nav_img_title {
    float: left;
    font-size: 40px;
    font-weight: bold;
    padding-right: 5px;
}

.nav_img_list {
    float: left;
    margin-left: 20px;
}

.navList li {
    float: left;
    margin-right: 12px;
    font-size: 20px;
    border: 1px solid #e5e5e5;
    padding: 10px;
    border-radius: 10px;
}

.imgShowContainer {
    margin-top: 50px;
    /* height: 1200px; */
}

.imgShowList {
    position: relative;
}

.imgShowList li {
    float: left;
    width: 400px;
    height: 265px;
    margin-right: 25px;
    border-radius: 15px;
    position: relative;
    margin-bottom: 25px;
}

.imgShowList li:nth-child(4n) {
    margin-right: 0;
}

.picshow {
    position: absolute;
    bottom: 50px;
    z-index: 20;
    top: 30px;
    width: 100%;
}

.pic-title {
    font-size: 20px;
    color: #fff;
    line-height: 20px;
    width: 100%;
    text-align: center;
    line-height: 22px;
    padding: 10px;
    z-index: 20;
    background: rgba(0, 0, 0, 0.3);
}

.dn {
    display: none;
}

.d_ico {
    position: absolute;
    bottom: 20px;
    right: 20px;
}

.box {
    position: relative;
}

.showImg {
    width: 100%;
    height: auto;
    vertical-align: top;
    border-radius: 20px;
}

.space {
    clear: both;
    overflow: hidden;
}

.imgShowList:after {
    content: "";
    height: 0;
    clear: both;
    overflow: hidden;
    display: block;
    visibility: hidden;
}

.imgShowCon {
    position: relative;
}

.currentTag {
    background-color: #424242;
    color: #fff;
}

@media screen and (max-width: 750px) {
    .contentContainer {
        width: 100%;
        min-width: auto;
    }

    .nav-list {
        margin-left: 0;
    }

    .imgShowContainer {
        width: 100%;
        margin-top: 10px;
    }

    .imgShowList li {
        float: none;
        width: 95%;
        margin: 0 auto;
        height: auto;
        left: auto;
        margin-bottom: 10px;
    }

    .imgShowList li:nth-child(4n) {
        margin-right: auto;
    }
    .imgNavBtn {
        padding-left: 5px;
    }
    .navList li {
        margin-top: 5px;
    }
    .dn {
        display: block;
    }

    .picshow {
        top: auto;
        bottom: 15px;
    }

    .d_ico {
        bottom: 50px;
    }

    .pic-title {
        font-size: 14px;
        line-height: 10px;
    }
}