.structure {
    width: 100%;
    margin-top: 50px;
}

.contain {
    padding-top: 30px!important;
    padding-bottom: 0px!important;
    background: none;
}

.contain_content2 {
    width: 1136px;
    margin: 0px auto;
    margin-top: 10px;
}

.contain_content2_nav {
    width: 522px;
    height: 40px;
    margin: 0px auto;
    position: relative;
}

.contain_content2_nav:after {
    content: "";
    width: 1136px;
    height: 3px;
    position: absolute;
    bottom: -4%;
    left: -58.8%;
    background: #c79872;
}

.content2_nav_item {
    width: 174px;
    height: 40px;
    font-size: 18px;
    text-align: center;
    line-height: 40px;
    color: white;
    background: url(../images/about/content2_btn.png) no-repeat top center;
    float: left;
    cursor: pointer;
}

.nav_active {
    background: url(../images/about/content2_btnA.png) no-repeat top center;
}

.contain_content2_nc {
    width: 100%;
}

.contain_content2_nc_item {
    width: 100%;
    /* height: 414px; */
    border-radius: 20px;
    /* box-shadow: 1px 1px 7px 2px grey; */
    margin: 40px auto;
    display: flex;
    flex-wrap: wrap;
    /* justify-content: space-between; */
    margin-left: -5px;
}

.contain_content2_nc_item_item {
    width: 365px;
    height: auto;
    border-radius: 15px;
    box-shadow: 2px 2px 3px 0 rgba(0, 0, 0, .1);
    padding-bottom: 30px;
    margin-bottom: 20px;
    background: white;
    text-align: center;
    margin-left: 12px;
    cursor: pointer;
}

.contain_content2_nc_item_item img {
    border-radius: 15px 15px 0px 0px;
    width: 100%;
    display: block;
    transition: all .5s;
}

.nc_item_item_img {
    border-radius: 15px 15px 0px 0px;
    width: 100%;
    height: 184px;
    overflow: hidden;
}

.contain_content2_nc_item_item:hover img {
    transform: scale(1.1);
}

.contain_content2_nc_item_item h3 {
    font-size: 20px;
    color: black;
    text-align: center;
    margin: 40px 0px 30px;
}

.contain_content2_nc_item_item a {
    display: inline-block;
    width: 100px;
    padding: 0px 48px;
    text-align: center;
    font-size: 16px;
    color: white;
    border-radius: 50px;
    /* background: #d39562; */
    position: relative;
    height: 45px;
    line-height: 40px;
}

.contain_content2_nc_item_item:hover h3 {
    color: #d39562;
}

.contain_content2_nc_item_item a::before {
    content: '';
    box-shadow: 0 7px 12px 0 rgba(232, 193, 162, .5);
    width: 100%;
    height: 100%;
    position: absolute;
    top: 0%;
    left: 0%;
    border: 0 solid transparent;
    border-radius: 50px;
    background: #d39562;
    transform: translateY(-50%);
    top: 20px;
}

.contain_content2_nc_item_item a:hover::before {
    height: 95%;
    transition: height .4s cubic-bezier(.31, 3.4, .29, -.15), top .4s cubic-bezier(.31, 3.4, .29, -.15);
}

.contain_content2_nc_item_box1 {
    float: left;
    width: 50%;
    height: 100%;
    background: url(../images/about/content2_pic.jpg) no-repeat top left;
    border-radius: 20px 0px 0px 20px;
}

.contain_content2_nc_item_box2 {
    float: right;
    width: 50%;
    height: 298px;
}

.contain_content2_nc_item_box2_content {
    width: 90%;
    margin: 0px auto;
}

.contain_content2_nc_item_box2_content h4 {
    font-size: 28px;
    color: black;
    font-weight: 600;
    margin-top: 40px;
    height: 61px;
    line-height: 61px;
    font-weight: normal;
}

.contain_content2_nc_item_box2_content h4 img {
    display: inline-block;
    vertical-align: middle;
}

.contain_content2_nc_item_box2_content p {
    font-size: 16px;
    color: black;
    line-height: 2;
}

.contain_content2_nc_item_box2_line {
    width: 100%;
    height: 1px;
    background: #e7e7e7;
    margin: 25px 0px;
}

.contain_content3 {
    width: 1136px;
    margin: 0px auto;
    margin-top: 55px;
}

.contain_content3_nav {
    float: left;
    padding: 115px 0px 35px;
    width: 256px;
    box-shadow: 1px 1px 7px 2px grey;
    border-radius: 18px;
    position: relative;
}

.contain_content3_nav_item_top {
    position: absolute;
    width: 100%;
    top: 20px;
    height: 32px;
    text-align: center;
    color: black;
    font-size: 24px;
    /* background: url(../images/about/conten3_logo.png) no-repeat 36px top; */
}

.contain_content3_nav_item_top img {
    margin: 0px auto;
}

.contain_content3_nav_item {
    width: 76%;
    margin: 0px auto;
    font-size: 16px;
    color: black;
    border-bottom: 1px solid #c79872;
    padding: 16px 0px;
    background: url(../images/about/content3_right.png) no-repeat right 18px;
    cursor: pointer;
}

.contain_content3_nav_itemA {
    background: url(../images/about/content3_rightA.png) no-repeat right 20px;
    color: #c79872;
}

.contain_content3_nav_c {
    float: right;
    width: 850px;
    height: auto;
    border-radius: 20px;
    box-shadow: 1px 1px 7px 2px grey;
}

.contain_content3_nav_c_box {
    width: 100%;
    height: auto;
}

.content3_nav_c_swiper {
    position: relative;
    width: 100%;
    height: 450px;
    border-radius: 20px 20px 0px 0px;
}


/* .content3_nav_c_swiperB {
    position: relative;
    width: 100%;
    height: 450px;
    border-radius: 20px 20px 0px 0px;
}

.content3_nav_c_swiperC {
    position: relative;
    width: 100%;
    height: 450px;
    border-radius: 20px 20px 0px 0px;
} */

.swiper-container {
    border-radius: 20px 20px 0px 0px;
    height: 450px;
}

.swiper-container_btn {
    position: absolute;
    bottom: 5%;
    width: 192px;
    left: 50%;
    transform: translateX(-50%);
    z-index: 1;
}

.swiper-container_btn_left {
    position: absolute;
    left: 0%;
    width: 37px;
    height: 37px;
    background: url(../images/about/content3_banner_left.png) no-repeat top center;
    display: inline-block;
    cursor: pointer;
}

.swiper-container_btn_content {
    width: 100px;
    height: 37px;
    border-radius: 30px;
    display: inline-block;
    background: white;
    opacity: 0.8;
    margin-left: 47px;
    text-align: center;
    line-height: 34px;
}

.btn_content_count {
    font-size: 16px;
    color: #5a5a53;
    vertical-align: middle;
}

.btn_content_total {
    font-size: 16px;
    color: #5a5a53;
    vertical-align: middle;
}

.swiper-container_btn_right {
    position: absolute;
    right: 0%;
    width: 37px;
    height: 37px;
    background: url(../images/about/content3_banner_right.png) no-repeat top center;
    display: inline-block;
    cursor: pointer;
}

.content3_nav_c_p {
    width: 95%;
    margin: 0px auto;
    margin-top: 30px;
    padding-bottom: 45px;
}

.content3_nav_c_p h4 {
    font-size: 20px;
    color: black;
}

.content3_nav_c_p_line {
    width: 100%;
    height: 1px;
    background: #e7e7e7;
    margin: 24px 0px;
}

.content3_nav_c_p p {
    font-size: 16px;
    color: #3b3b3b;
    line-height: 2;
    text-align: justify;
}