body {
    
}
.col-md-4_img {
    width: 100%;
}
    .col-md-4_img img {
        width: 100%;
        background-color: #87a0c9;
        object-fit: fill;
    }
/*弹窗*/
.backdrop {
    margin-top: 50px;
    visibility: hidden;
    position: absolute;
    top: 70px;
    right: 0;
    bottom: 0;
    left: 0;
}
.head-nav-productclass1 {
    float:left;

    background-color: #ffffff;
    width: 240px;
}
.head-nav-productclass2 {
    float: left;

    background-color: #ffffff;
    width: 240px;
}
.head-nav-productclass1-detail-title {
    color: #000000;
    font-size: 14px;
    line-height: 40px;
}
    .head-nav-productclass1-detail-title img {
        float: right;
        margin-top: 10px;
        width: 20px;
    }
.head-nav-productclass2-detail-title {
    color: #000000;
    font-size: 14px;
    line-height: 40px;
}

/*横幅/广告*/

    .flash-box {
    float: left;
    width: 100%;
    background-color: rgb(234, 233, 231);
    overflow: hidden; /* 清除浮动，使父元素能够包含浮动的子元素 */
    border-top: 1px solid rgb(215, 215, 215);
}

.flash-prev {
    float: left;
    width: 5%;
    margin-top: 180px;
}

    .flash-prev img {
        margin-left: 20px;
    }

.flash-next {
    float: left;
    width: 5%;
    margin-top: 180px;
}

    .flash-next img {
        float: right;
        margin-right: 20px;
    }

.flash-context {
    float: left;
    width: 90%;
    height: 416px;
}

.flash-text {
    float: left;
    background-color: white;
    width: 45%;
    height: 416px;
    margin-right: 10px;
    padding: 20px 20px 0px 40px;
}

.flash-text-title {
    float: left;
    width: 350px;
    height: 75px;
    font-size: 30px;
    line-height: 75px;
}

.flash-text-content {
    float: left;
    text-indent: 2em;
    font-size: 14px;
    line-height: 1.8;
    height: 250px;
}

.flash-text-more {
    color: white;
    float: right;
    width: 100px;
    height: 40px;
    background-color: rgb(70, 142, 208);
    line-height: 40px;
    text-align: center;
    margin-right: 23px;
    margin-bottom: 10px;
    clip-path: polygon(0 0, 85% 0, 100% 50%, 85% 100%, 0 100%);
    cursor: pointer;
}

    .flash-text-more:hover {
        background-color: rgb(0, 104, 181);
    }

.flash-image {
    float: left;
    width: 50%;
    height: 100%;
    display: flex;
    justify-content: center;
    align-items: center;
    margin: 0 auto;
}

    .flash-image img {
        height: 100%;
        object-fit: fill;
    }
.flash-num {
    position: absolute;
    width: 10%;
    height: 25px;
    margin-left: 70%;
    margin-top: 390px;
    display: flex;
    justify-content: space-between;
}
.flash-num-one {
    width: 50px;
    height: 20px;
    background-color: #ffffff;
    border: 3px solid #d8d8d8;
    border-radius: 10px;
}
.nav-item1 a img{
    width:20px;
}
/*footer*/
.footer {
    width: 100%;
    background-color: rgb(231, 231, 231);
    overflow: hidden;
    margin-top: 50px;
}
/*底部内容*/

.footer-center {
    display: flex; /* 设置为flex容器 */
    flex-wrap: wrap; /* 允许换行，适应小屏幕 */
    width: 1445px;
    margin: 0 auto;
    background-color: transparent;
    overflow: hidden;
    padding: 10px 10px 10px 10px;
}

.footer_list1 {
    width: 125px;
    float: left;
}

    .footer_list1 b p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

    .footer_list1 a p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

.footer_list2 {
    width: 155px;
    float: left;
}

    .footer_list2 b p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

    .footer_list2 a p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

.footer_list3 {
    width: 135px;
    float: left;
    color: black;
}

    .footer_list3 b p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

    .footer_list3 a p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

.footer_list4 {
    width: 260px;
    float: left;
    color: black;
}

    .footer_list4 b p {
        font-size: 16px;
        line-height: 26px;
        color: black;
    }

.footer_list5 {
    float: left;
    width: 650px;
    color: black;
}

.footer_list6 {
    font-size: 16px;
    margin-top: 44px;
    line-height: 40px;
    color: black;
}