.content {
    width: 100%;
    background-color: #F7F7F7;
}

.title {
    border-bottom: 2px solid #E6E6E6;
}

.title .name {
    font-size: 18px;
    font-weight: bold;
    color: #076741;
    padding-left: 50px;
}

.nav_con {
    max-width: 1700px;
    display: flex;
    justify-content: space-between;
    padding: 5px 10px;
    line-height: 80px;
}

.list {
    max-width: 1700px;
    background-color: #fff;
    min-height: 600px;
    padding: 55px;
    display: flex;
    justify-content: space-between;

}

.class_list {
    width: 270px;
}

.class_title {
    background-color: #076741;
    padding: 25px 10px;
    color: #fff;
    font-size: 26px;
    font-weight: bold;
    text-align: center;
}

.class_content {
    border: 1px solid #ccc;
}

.class_content ul {
    margin: 0;
    padding: 0;
}

.class_content ul li {
    margin: 0;
    padding: 0;
    list-style: none;
    border-bottom: 1px solid #ccc;
}

.class_content ul li a {
    display: block;
    width: 100%;
    padding: 25px 15px;
    border-left: 3px solid #fff;
    position: relative;
    font-size: 16px;
    font-weight: bold;
    color: #353535;
}

.class_content ul li a:hover {
    color: #076741;
}

.class_content ul li a.active {
    border-left: 3px solid #0012E6;
    background-color: #efefef;
}

.class_content ul li a.active span {
    position: absolute;
    display: block;
    top: 28px;
    left: 0; /* 圆角的位置需要细心调试哦 */
    width: 0;
    height: 0;
    font-size: 0;
    border: solid 6px;
    border-color: #efefef #efefef #efefef #0012E6;
}

.class_content ul li a:before {
    border-left: 1px solid #0012E6;
}

.class_content ul li a:after {
    content: ">";
    float: right;
}

.class_content ul li:nth-last-child(1) {
    border: 0;
}


.product_list_con {
    max-width: 1700px;
    width: 100%;
    padding: 25px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    background-color: #fff;
}

.product_content {
    width: 100%;
    overflow: hidden;
    max-width: 1380px;
    min-height: 600px;
    padding-left: 30px;
    flex: 1;
}

.product_content p {
    margin: 0;
}

.product_title {
    padding: 11px;
    font-size: 22px;
    font-weight: bold;
    border-bottom: 2px solid #E6E6E6;
}

.product_item_con {
    max-width: 1200px;
    padding: 25px;
    display: flex;
    flex-wrap: wrap;
    justify-content: start;
    background-color: #fff;
}

.product_item_con > div {
    flex-basis: calc(33.33% - 10px);
    padding: 5px;
    position: relative;

}

.product_item_con > div a {
    display: block;
    position: relative;
}

.product_item_con > div a::after {
    content: "";
    position: absolute;
    bottom: 0;
    width: 100%;
    left: 0;
    height: 1px;
    background: #d2d2d2;
}

.product_item_con div .img {
    width: 350px;
    height: 395px;
    overflow: hidden;
}

.product_item_con > div img {
    max-width: 350px;
    max-height: 395px;
}


.product_item_con .text {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%);
    z-index: 2;
    text-align: center;
    opacity: 0;
}


.product_list {
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}

.product_list:after {
    width: 31%;
    content: ""
}

.product_list .product_item {
    width: 31%;
    position: relative;
    margin-bottom: 40px;
}

.product_list .product_item:after {
    content: "";
    position: absolute;
    bottom: 0;
    width: 100%;
    left: 0;
    height: 1px;
    background: #d2d2d2
}

.product_list .product_item:before {
    content: "";
    position: absolute;
    bottom: 0;
    width: 0;
    left: 0;
    height: 1px;
    background: #0488fb;
    z-index: 1;
    transition: .6s
}

.product_list .product_item:hover:before {
    width: 100%;
    transition: .6s
}

.product_list .product_item a {
    margin-bottom: .2rem;
    position: relative
}

.product_list .product_item a:after {
    width: 100%;
    height: 0;
    content: "";
    position: absolute;
    background: rgba(0, 98, 204, .3);
    top: 0;
    left: 0;
    transition: .6s
}

.product_list .product_item a:hover:after {
    height: 100%;
    transition: .6s
}

.product_list .product_item a .img {
    width: 100%;
    height: 330px;
    display: flex;
    justify-content: space-around;
    align-items: center;
}

.product_list .product_item a .img img {
    max-width: 100%;
    max-height: 100%;
    height: auto;
}

.product_list .product_item a .text {
    position: absolute;
    left: 50%;
    top: 0;
    transform: translateX(-50%) translateY(-50%);
    z-index: 2;
    text-align: center;
    opacity: 0
}

.product_list .product_item a .text h1 {
    color: white;
    font-size: 20px;
    padding: 0 0 10px
}

.product_list .product_item a .text p {
    color: #0488fb;
    font-size: 14px
}

.product_list .product_item a:hover .text {
    top: 60%;
    transition: .6s;
    opacity: 1
}

.product_list .product_item a:hover img {
    transform: scale(0.9)
}

.no_warp {
    flex-flow: nowrap;
}

.images_con {
    width: 500px;
}

.images {
    width: 500px;
    min-height: 700px;
    position: relative;
}

.big_image_show {
    position: relative;
}

.control_con {
    display: flex;
    justify-content: space-between;
    height: 100px;
    width: 500px;
    align-items: center;
}

.control_con > div {
    height: 100px;
    width: 43px;
    overflow: hidden;
    position: relative;
}

.carousel-control {
    background-color: #ccc;
    position: absolute;
    display: block;
    top: 0;
    bottom: 0;
    left: 0;
    width: 50px;
    font-size: 20px;
    color: #fff;
    text-align: center;
    text-shadow: 0 1px 2px rgba(0, 0, 0, 1);
    filter: alpha(opacity=100);
    opacity: 1;
}

.small_image_list {
    width: 401px !important;
}

.carousel-indicators {
    top: 2px;
    left: 0;
    width: 2000px;
    height: 100px;
    margin: 0;
    text-align: left;
    transition: all 300ms;
}

.carousel-indicators li, .carousel-indicators li.active {
    width: 97px;
    height: 96px;
    text-indent: 0;
    margin: 0;
    padding: 0;
    border-radius: 0;
    border: 1px solid #ccc;
    overflow: hidden;
}

.carousel-indicators li.active {
    border: 1px solid #076741;
}

.carousel-indicators img {
    width: 95px;
    height: 95px;
}

.detail_content {
    width: 100%;
    padding-left: 30px;
    flex: 1;
}

.detail_title {
    padding: 0 10px;
    color: #000000;
    font-size: 20px;
    width: 100%;
    height: auto;
    line-height: 40px;
    border-bottom: 2px #dfdfdf solid;
}

.detail_main {
    font-family: 微软雅黑;
    font-size: 16px;
    color: #000000;
    line-height: 50px;
    text-align: center;
    font-weight: bold;
}

.detail_text {
    font-family: 微软雅黑;
    font-size: 14px;
    color: #000000;
    line-height: 40px;
}

.detail_con {
    display: flex;
    justify-content: space-between;

}

.nav-tabs {
    width: 100%;
    max-width: 1320px;
}

.tab-pane {
    padding: 50px;
}

.tab-content {
    border: 1px solid #ddd;
    border-top: 0;
    min-height: 800px;
}

.tab-content img{
       max-width: 100%;
}

.download_item {
    display: flex;
    justify-content: space-between;
    padding: 5px;
    border-bottom: 1px dashed #ccc;
    margin-bottom: 20px;
}

#video {
    text-align: center;
}

#video iframe {
    width: 1100px;
    height: 800px;
}

@media (max-width: 768px) {


    .title .name {
        padding-left: 10px;
    }

    .nav_con {
        max-width: 768px;
        flex-flow: wrap;
    }

    .list {
        max-width: 768px;
        padding: 10px;
        display: flex;
        justify-content: space-between;
        flex-flow: wrap;

    }

    .class_list {
        display: none;
    }

    .product_list_con {
        max-width: 768px;
        overflow: hidden;
        width: 100%;
        padding: 10px;
        flex-flow: wrap;
    }

    .product_content {
        max-width: 768px;
        min-height: 600px;
        padding: 10px;
    }

    .product_title {
        display: none;
        padding: 10px;
        font-size: 20px;
    }

    .product_item_con {
        max-width: 768px;
        padding: 10px;
    }

    .product_item_con > div {
        flex-basis: 100%;
        padding: 5px;
    }

    .product_item_con div {
        width: 100%;
    }

    .product_item_con div .img {
        max-width: 100%;
        max-height: 100%;
    }

    .product_item_con > div img {
        max-width: 100%;
        max-height: 100%;
    }

    .product_list {
        flex-flow: wrap;
    }

    .product_list:after {
        width: 100%;
        content: ""
    }

    .product_list .product_item {
        width: 100%;
        position: relative;
        margin-bottom: 40px;
    }

    .product_list .product_item:after {
        content: "";
        position: absolute;
        bottom: 0;
        width: 100%;
        left: 0;
        height: 1px;
        background: #d2d2d2
    }

    .product_list .product_item:before {
        content: "";
        position: absolute;
        bottom: 0;
        width: 0;
        left: 0;
        height: 1px;
        background: #0488fb;
        z-index: 1;
        transition: .6s
    }

    .product_list .product_item:hover:before {
        width: 100%;
        transition: .6s
    }

    .product_list .product_item a {
        margin-bottom: .2rem;
        position: relative
    }

    .product_list .product_item a:after {
        width: 100%;
        height: 0;
        content: "";
        position: absolute;
        background: rgba(0, 98, 204, .3);
        top: 0;
        left: 0;
        transition: .6s
    }

    .product_list .product_item a:hover:after {
        height: 100%;
        transition: .6s
    }

    .product_list .product_item a .img {
        width: 100%;
        height: 395px;
    }

    .product_list .product_item a .img img {
        max-width: 100%;
        max-height: 100%;
    }

    .product_list .product_item a .text {
        position: relative;
        left: 50%;
        /*transform: translateX(-50%) translateY(-50%);*/
        /*z-index: 2;*/
        text-align: center;
        /*top: 60%;*/
        width: 100%;
        display: block;
        top: 0;
        /*left: 0;*/
        transition: .6s;
        opacity: 1

    }

    .product_list .product_item a .text h1 {
        color: #000;
        font-size: 20px;
        padding: 0 0 10px;
    }

    .product_list .product_item a .text p {
        color: #0488fb;
        font-size: 14px
    }

    .product_list .product_item a:hover .text {
        top: 60%;
        transition: .6s;
        opacity: 1
    }

    .product_list .product_item a:hover img {
        transform: scale(1.1)
    }

    .images_con {
        width: 100%;
    }

    .images {
        width: 100%;
        height: auto;
        position: relative;
    }

    .big_image_show {
        position: relative;
    }

    .control_con {
        display: flex;
        justify-content: space-between;
        height: 100px;
        width: 100%;
        align-items: center;
    }

    .control_con > div {
        height: 100px;
        width: 43px;
        overflow: hidden;
        position: relative;
    }

    .carousel-control {
        background-color: #ccc;
        position: absolute;
        display: block;
        top: 0;
        bottom: 0;
        left: 0;
        width: 50px;
        font-size: 20px;
        color: #fff;
        text-align: center;
        text-shadow: 0 1px 2px rgba(0, 0, 0, 1);
        filter: alpha(opacity=100);
        opacity: 1;
    }

    .small_image_list {
        width: 401px !important;
    }

    .carousel-indicators {
        top: 2px;
        left: 0;
        width: 2000px;
        height: 100px;
        margin: 0;
        text-align: left;
        transition: all 300ms;
    }

    .carousel-indicators li, .carousel-indicators li.active {
        width: 97px;
        height: 96px;
        text-indent: 0;
        margin: 0;
        padding: 0;
        border-radius: 0;
        border: 1px solid #ccc;
        overflow: hidden;
    }

    .carousel-indicators li.active {
        border: 1px solid #076741;
    }

    .carousel-indicators img {
        width: 95px;
        height: 95px;
    }

    .detail_content {
        width: 100%;
    }

    .detail_title {
        padding: 0 10px;
        color: #000000;
        font-size: 20px;
        width: 100%;
        height: auto;
        line-height: 40px;
        border-bottom: 2px #dfdfdf solid;
    }

    .detail_main {
        font-family: 微软雅黑;
        font-size: 16px;
        color: #000000;
        line-height: 50px;
        text-align: center;
        font-weight: bold;
    }

    .detail_text {
        font-family: 微软雅黑;
        font-size: 14px;
        color: #000000;
        line-height: 40px;
    }

    .detail_con {
        display: flex;
        justify-content: space-between;
        flex-flow: wrap;

    }

    .product_content .nav {
        display: flex;
    }

    .nav-tabs {
        width: 100%;
        max-width: 1320px;
    }

    .tab-pane {
        padding: 50px;
    }

    .tab-content {
        border: 1px solid #ddd;
        border-top: 0;
        min-height: 800px;
    }

    .tab-content img {
        max-width: 100%
    }

    .download_item {
        display: flex;
        justify-content: space-between;
        padding: 5px;
        border-bottom: 1px dashed #ccc;
        margin-bottom: 20px;
    }

    #video {
        text-align: center;
    }

    #video iframe {
        width: 1100px;
        height: 800px;
    }

    .images .item {
        display: flex;
        justify-content: space-around;
        align-items: center;
        width: 100%;
    }

}