.category_container {
    padding: 61px 0 238px;
}

a:hover {
    text-decoration: none;
}

.category_container .category_wrap {
    align-items: flex-start;
}

.category_container .left_box {
    width: 437px;
    margin-right: 10px;
}

.category_container .left_box .category_box {
    position: relative;
    height: 470px;
    background-size: cover;
    background-repeat: no-repeat;
    background-position: center;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
}


.category_container .left_box .category_box .category_name {
    position: absolute;
    width: 100%;
    font-size: 22px;
    line-height: 26px;
    color: #000;
    bottom: 74px;
    text-align: center;
}

.category_container .left_box .tab {
    padding-top: 38px;
}

.category_container .left_box .tab li {
    width: 100%;
    position: relative;
    height: 56px;
    font-size: 22px;
    line-height: 56px;
    text-align: center;
    color: #000;
    margin-bottom: 20px;
    cursor: pointer;
}

.category_container .left_box .tab li:hover {
    background: #000;
    color: #fff;
}

.category_container .left_box .tab li:hover .iconfont {
    display: block;
}

.category_container .left_box .tab li.cur {
    background: #000;
    color: #fff;
}

.category_container .left_box .tab li.cur .iconfont {
    display: block;
}

.category_container .left_box .tab li .iconfont {
    position: absolute;
    right: 30px;
    top: 50%;
    transform: translateY(-50%);
    display: none;
    width: auto;
}

.category_container .right_box {
    display: none;
    flex: 1;
    padding: 76px 40px 89px 44px;
    box-sizing: border-box;
    min-height: 827px;
    box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
}

.category_container .right_box.video_box {
    padding: 76px 41px 89px 50px;
}

.category_container .right_box .video_wrap {
    flex-wrap: wrap;
}

.category_container .right_box.cur {
    display: block;
}

.category_container .right_box .article {
    align-items: flex-start;
}

.category_container .right_box .article .article_icon {
    width: 18px;
    height: 21px;
    margin-right: 16px;
}

.category_container .right_box .article .article_content {
    width: 548px;
    padding-bottom: 51px;
    cursor: pointer;
}

.category_container .right_box .article .article_name {
    font-size: 20px;
    line-height: 24px;
    color: #000;
    font-weight: bold;
    margin-bottom: 13px;
}

.category_container .right_box .article .article_body {
    font-size: 15px;
    line-height: 24px;
    color: #000;
    margin-bottom: 18px;
    display: none;
}

.category_container .right_box .article .iconfont {
    font-size: 12px;
    color: #9D9D9D;
}

.category_container .right_box .video {
    width: 251px;
    margin: 0 25px;
    cursor: pointer;
    margin-bottom: 66px;
}

.category_container .right_box .video .video_name {
    font-size: 18px;
    line-height: 18px;
    margin-top: 10px;
    color: #000;
}

.category_container .read_more {
    color: #000;
    font-size: 18px;
    margin: 20px auto;
    text-align: center;
    display: block;
}

@media only screen and (min-width:992px) and (max-width:1200px) {
    .category_container {
        padding: 33px 0 60px;
    }

    .category_container .left_box {
        width: 368px;
        margin-right: 8px;
    }

    .category_container .left_box .category_box {
        height: 396px;
    }

    .category_container .left_box .category_box .category_name {
        font-size: 18px;
        line-height: 21px;
        bottom: 62px;
    }

    .category_container .left_box .tab {
        padding-top: 26px;
    }

    .category_container .left_box .tab li {
        height: 52px;
        font-size: 18px;
        line-height: 52px;
        margin-bottom: 18px;
        cursor: pointer;
    }

    .category_container .left_box .tab li .iconfont {
        right: 25px;
    }

    .category_container .right_box {
        display: none;
        flex: 1;
        padding: 64px 36px 19px 38px;
        min-height: 696px;
    }

    .category_container .right_box.video_box {
        padding: 64px 13px 19px;
    }

    .category_container .right_box .article .article_icon {
        width: 15px;
        height: 18px;
        margin-right: 13px;
    }

    .category_container .right_box .article .article_content {
        width: 460px;
        padding-bottom: 39px;
    }

    .category_container .right_box .article .article_name {
        font-size: 18px;
        line-height: 20px;
        margin-bottom: 11px;
    }

    .category_container .right_box .article .article_body {
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 4px;
    }

    .category_container .right_box .article .iconfont {
        font-size: 10px;
        color: #9D9D9D;
    }

    .category_container .right_box .video {
        width: 233px;
        margin: 0 23px;
        margin-bottom: 61px;
    }

    .category_container .right_box .video .video_name {
        font-size: 14px;
        line-height: 14px;
        margin-top: 10px;
    }

    .category_container .read_more {
        font-size: 18px;
    }
}

@media only screen and (min-width:768px) and (max-width:991px) {
    .category_container {
        padding: 21px 0 51px;
    }

    .category_container .left_box {
        width: 276px;
        margin-right: 6px;
    }

    .category_container .left_box .category_box {
        height: 296px;
    }

    .category_container .left_box .category_box .category_name {
        font-size: 14px;
        line-height: 16px;
        bottom: 47px;
    }

    .category_container .left_box .tab {
        padding-top: 10px;
    }

    .category_container .left_box .tab li {
        height: 36px;
        font-size: 12px;
        line-height: 36px;
        margin-bottom: 12px;
    }

    .category_container .left_box .tab li .iconfont {
        right: 20px;
        font-size: 10px;
    }

    .category_container .right_box {
        padding: 48px 29px 15px 28px;
        min-height: 522px;
    }

    .category_container .right_box.video_box {
        padding: 38px 0.5px 15px;
    }

    .category_container .right_box .article .article_icon {
        width: 11px;
        height: 14px;
        margin-right: 11px;
    }

    .category_container .right_box .article .article_content {
        width: 340px;
        padding-bottom: 38px;
    }

    .category_container .right_box .article .article_name {
        font-size: 14px;
        line-height: 15px;
        margin-bottom: 7px;
    }

    .category_container .right_box .article .article_body {
        font-size: 12px;
        line-height: 15px;
        margin-bottom: 0;
    }

    .category_container .right_box .article .iconfont {
        font-size: 10px;
        color: #9D9D9D;
    }

    .category_container .right_box .video {
        width: 186px;
        margin: 0 13.5px;
        margin-bottom: 49px;
    }

    .category_container .right_box .video .video_name {
        font-size: 12px;
        line-height: 12px;
        margin-top: 8px;
    }

    .category_container .read_more {
        font-size: 16px;
    }
}

@media only screen and (max-width:767px) {
    .category_wrap {
        flex-direction: column;
        box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0.1);
    }

    .category_container {
        padding: 20px 10px 60px;
    }

    .category_container .left_box {
        width: 100%;
        margin-right: 0;
    }

    .category_container .left_box .category_box {
        width: 356px;
        margin: auto;
        height: 280px;
        box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0);
        border-bottom: 0.5px solid rgba(151, 151, 151, 0.2);
    }

    .category_container .left_box .category_box .category_name {
        font-size: 14px;
        line-height: 16px;
        bottom: 27px;
    }

    .category_container .left_box .tab {
        padding-top: 0;
        display: flex;
        flex-direction: row;
    }

    .category_container .left_box .tab li {
        height: 37px;
        font-size: 14px;
        line-height: 37px;
        margin-bottom: 5px;
        position: relative;
    }

    .category_container .left_box .tab li .iconfont {
        right: 20px;
        font-size: 10px;
    }

    .category_container .left_box .tab li.cur::after {
        content: '';
        position: absolute;
        bottom: -5px;
        left: 50%;
        transform: translateX(-50%);
        width: 0;
        height: 0;
        border-top: 5px solid black;
        border-right: 5.5px solid transparent;
        border-left: 5.5px solid transparent;
    }

    .category_container .left_box .tab li.cur .iconfont {
        display: none;
    }

    .category_container .right_box {
        width: 100%;
        padding: 36px 19px 3px;
        min-height: auto;
        box-shadow: 0px 2px 4px 0px rgba(0, 0, 0, 0);
    }

    .category_container .right_box.video_box {
        padding: 47px 16px 3px 13px;
    }

    .category_container .right_box .article .article_icon {
        width: 11px;
        height: 14px;
        margin-right: 11px;
    }

    .category_container .right_box .article .article_content {
        flex: 1;
        padding-bottom: 38px;
    }

    .category_container .right_box .article .article_name {
        font-size: 14px;
        line-height: 15px;
        margin-bottom: 7px;
    }

    .category_container .right_box .article .article_body {
        font-size: 12px;
        line-height: 15px;
        margin-bottom: 0;
    }

    .category_container .right_box .article .iconfont {
        font-size: 10px;
        color: #9D9D9D;
        margin-left: 8px;
    }

    .category_container .right_box .video {
        width: 100%;
        margin: 0 0 54px 0;
    }

    .category_container .right_box .video .video_name {
        font-size: 16px;
        line-height: 21px;
        margin-top: 14px;
        text-align: center;
    }

    .category_container .read_more {
        font-size: 14px;
        margin: 15px auto;
    }
}