/* 头部导航栏部分 不在随屏走 */
.header {
    width: 100%;
    height: 64px;
    /* position: static; */
    top: 0;
    background: rgba(0, 4, 26, 0.1);
}

/* 产品总览 pro_over模块 开始 */
.pro_over {
    position: relative;
    top: -90px;
    left: 0;
    right: 0;
    width: 100%;
    height: 40vh;
    background-color: #000;
    z-index: -1;
}

.pro_over img {
    width: 100%;
    height: 100%;
}

.pro_over span {
    display: block;
    position: absolute;
    top: 50%;
    left: 50%;
    margin-left: -110px;
    z-index: 10;
    color: #fff;
    font-size: 48px;
}

/* 产品总览 pro_over模块 结束 */
/* 产品分类  pro_class模块  开始 */
.class {
    position: relative;
    width: 100%;
    padding-top: 77px;
    /* padding-bottom: 90px */
}

.class .bg {
    position: absolute;
    width: 100%;
    height: 45%;
    left: 0;
    top: 0;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: cover;
    background-position: center center;
    background-image: url(../images/beijingtu_product.jpg);
}

.row>*>* {
    position: relative;
}

.class .product_content {
    max-width: 1716px;
    position: relative;
    margin: 0 auto;
    width: 100%;
    padding: 0 80px;
}

.class .product_content h2 {
    font-size: 48px;
    color: #333;
    text-align: center;
    line-height: 1.478;
}

.class .product_content h2 span {
    display: inline-block;
    border-bottom: 2px solid red;
}

.class .product_content span h3 {
    margin: 80px auto -20px;
    font-size: 48px;
    text-indent: 1em;
}

.banner {
    width: 100%;
    height: 350px;
    /* background-color: rgba(35, 67, 92, 0.5); */
    margin: 10px 0 0;
    padding: 17px 0;
    border-radius: 15px;
}

.banner ul {
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}

/* 
.banner ul li {
    height: 66px;
    border-radius: 15px;
    background-color: rgba(35, 67, 92, 0.2);
    text-align: center;
    transition: all 0.2s;
    font-size: 28px;
    line-height: 66px;
    color: #fff;
    cursor: pointer;
} */

.banner ul li {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    float: left;
    width: 370px;
    height: 150px;
    margin: 5px 5px;
    border-radius: 2px;
    background-color: #ffffff80;
    text-align: center;
    transition: all 0.2s;
    /* color: #199de7; */
    font-size: 28px;
}

.banner ul li a {
    color: #199de7;
    display: block;
    width: 100%;
    height: 100%;
    line-height: 150px;
}

.banner ul li img {
    width: 66px;
    margin-right: 20px;

}

.banner ul .active {
    background-color: rgba(35, 67, 92, 0.2);
}

.banner ul li:hover {
    background-color: rgba(35, 67, 92, 0.2);
    cursor: pointer;
}

.row {
    display: flex;
    flex-wrap: wrap;
    zoom: 1;
    margin: 0px -20px 0;
    overflow: hidden;
}

.row .box-con {
    width: 100%;
    overflow: hidden;
    min-height: 1px;
    padding: 0 20px;
    margin-top: 40px;
    border-radius: 10px;
}

.row .box-con .box,
.row .box-con .box2 {
    display: flex;
    background-color: #fff;
    padding-bottom: 100px;
    border-radius: 10px;
    overflow: hidden;
    /* height: 100%; */
    justify-content: space-between;
    flex-direction: column;
    background-color: #f7f5f5;
    flex-direction: row;
}

.row .box-con .box2 {
    margin-top: 50px;
}

/* .row .box-con .box .box-img {
    display: flex;
    flex-direction: column;
    width: 100%;
    height: auto;
    overflow: hidden;
    border-radius: 10px 10px 0 0;
    flex-direction: row;
}

.row .box-con .box .box-img .box-up {
    margin: 0px auto -60px;
    background-color: #199de7;
} */

/* .row .box-con .box .box-img .img1 {
    width: 60%;
    border-radius: 10px 0 0;
    transition: all 0.3s;
    display: block;
    margin: 40px auto 0;
} */
.left {
    position: relative;
    display: flex;
    flex-direction: column;
}

.row_prev,
.row_next {
    display: flex;
    justify-content: center;
    align-items: center;
    position: relative;
    top: 45%;
    /* margin-top: -30px; */
    width: 28px;
    height: 28px;
    border-radius: 50%;
    z-index: 999;
    cursor: pointer;
}

/* .box-down .row_prev,
.box-down .row_next {
    margin-top: -30px;
} */

.row_prev img {
    width: 28px;
    height: 24px;
    margin-left: 150px;
}

.row_next img {
    width: 29px;
    height: 29px;
}


.row_next {
    right: -600px;
    margin-top: -30px;
}

/* .box-up .row_bottom {
    position: relative;
    left: 50%;
    bottom: 0;
    margin-left: -50px;
    width: 200px;
    height: 120px;
} */

.left_botton {
    width: 100%;
    height: 288px;
    background-color: #fff;
    margin-top: 100px;
    border: 1px solid #fff;
    border-radius: 20px;
    box-shadow: 5px 5px 10px rgba(91, 107, 112, 0.5);
}

.left_botton .img1 {
    position: relative;
    /* top: -30px; */
    width: 400px;
    margin: 10px auto;
    left: 20%;
}

.left .left_botton ul li {
    float: left;
    display: block;
    width: 6px;
    height: 6px;
    margin-left: 12px;
    margin-top: 5px;
    border-radius: 50%;
    background-color: #000;
    transition: all .3s;
}


.left .left_botton ul {
    position: relative;
    left: 50%;
    bottom: 5px;
    margin-left: -50px;
    /* width: 200px; */
    /* height: 120px; */
}

.box .left .left_botton ul {
    margin-left: -80px;
}

.right {
    margin-left: 5%;
    width: 800px;
    background-color: #fff;
    color: #fff;
}

.right img {
    /* text-align: center; */
    /* margin: 0 auto; */
    width: 100%;
    transition: all .3s;
}

.loading {
    display: block;
    width: 12px !important;
    height: 12px !important;
    background: transparent !important;
    margin-top: 2px !important;
    aspect-ratio: 1;
    border: 3px solid #ddd;
    border-radius: 50%;
    position: relative;
    transform: rotate(45deg);
    transition: all .3s;
}

.loading::before {
    content: "";
    position: absolute;
    inset: -3px;
    border-radius: 50%;
    border: 3px solid #cc2532;
    animation: l18 10s infinite linear;
}

@keyframes l18 {
    0% {
        clip-path: polygon(50% 50%, 0 0, 0 0, 0 0, 0 0, 0 0)
    }

    25% {
        clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 0, 100% 0, 100% 0)
    }

    50% {
        clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 100% 100%, 100% 100%)
    }

    75% {
        clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 0 100%, 0 100%)
    }

    100% {
        clip-path: polygon(50% 50%, 0 0, 100% 0, 100% 100%, 0 100%, 0 0)
    }
}

/* 选中加载圈 结束 */



/* .row .box-con .box:hover .box-img img {
    transform: scale(1.1);
} */

.row .box-con .box .left .content {
    display: block;
    float: left;
    width: 100%;
    /* padding: 43px 50px 35px; */
    /* margin-left: 40px; */
}

.row .box-con .box .left .content p {
    text-indent: 2em;
}

.row .box-con .left {
    width: 50%;
}

.row .box-con .left .content h3 {
    font-weight: 400;
    font-size: 28px;
    line-height: 1.58;
    color: #333;
    padding-bottom: 15px;
    display: block;
}

.row .box-con .left .content p {
    line-height: 1.625;
    font-size: 18px;
    color: #666;
    margin-bottom: 25px;
}

.row .box-con .left .content .box-btn {
    position: absolute;
    bottom: 50px;
    font-size: 0;
    padding-top: 10px;
    margin: 0 -10px;
}

.row .box-con .left .content .box-btn a {
    position: relative;
    top: -60px;
    right: -60px;
    padding: 11px 28px;
    display: inline-block;
    border: 2px solid #c7000b;
    background-color: transparent;
    color: #c7000b;
    border-radius: 50px;
    margin: 20px 10px 0;
    transition: all 0.4s;
}

.row .box-con .left .content .box-btn:hover a {
    background-color: #c7000b;
    color: #fff;
}

.row .box-con .left .content .box-btn a span {
    position: relative;
    padding-left: 0px;
    padding-right: 0px;
    font-size: 16px;
    line-height: 1.5;
}

/* 产品分类  pro_class模块  结束 */