.main {
    background: #fff;
    width: 100%;
    padding: 0 133px;
    box-sizing: border-box;
}

.description {
    width: 1100px;
    height: auto;
    margin: 0 auto;
    background: #fff;
}

.description .des_title {
    width: 100%;
    height: 160px;
    line-height: 160px;
    text-align: center;
    color: #1A253B;
    font-size: 28px;
}

.des_container {
    display: flex;
    align-items: flex-start;
    flex-wrap: wrap;
}

.des_container .row1 {
    flex: 3;
}

.row1 {
    display: flex;
    flex-wrap: wrap;
    /* justify-content: space-around; */
    align-items: flex-start;

}

.row1 .item {
    cursor: pointer;
    flex: 1;
    min-width: 275px;
    height: 256px;
    box-sizing: border-box;
    padding: 25px 20px 20px;
    background: #FFFFFF;
    box-shadow: 0 0 20px 0 rgba(0, 31, 153, 0.12), inset 0 1px 3px 0 rgba(254, 254, 254, 0.50), inset 2px 2px 0 0 #FFFFFF;
}

.des_container .row2 {
    flex: 1;
    height: 512px;
}

.row1 .item-img1 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/feikong2.png) !important;
    background-size: 100% 100%;
}

.row1 .item-img2 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/shanglv1.png) !important;
    background-size: 100% 100%;
}

.row1 .item-img3 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/caigou1.png) !important;
    background-size: 100% 100%;
}

.row1 .item-img4 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/shuiwu1.png) !important;
    background-size: 100% 100%;
}

.row1 .item-img5 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/caiwu1.png) !important;
    background-size: 100% 100%;
}

.row1 .item-img6 {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/xiaoshou1.png) !important;
    background-size: 100% 100%;
}

.row2 .item-img {
    width: 32px;
    height: 32px;
    display: inline-block;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/dangan1.png) !important;
    background-size: 100% 100%;
}

.row2 .item {
    cursor: pointer;
    width: 100%;
    height: 100%;
    box-sizing: border-box;
    padding: 25px 20px 20px 20px;
    background: #FFFFFF;
    box-shadow: 0 0 20px 0 rgba(0, 31, 153, 0.12), inset 0 1px 3px 0 rgba(254, 254, 254, 0.50), inset 2px 2px 0 0 #FFFFFF;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/bg1.png) !important;
    background-size: 100% 100%;
}

.item .item-header span {
    position: relative;
    top: -10px;
    margin-left: 10px;
    color: #1A253B;
    font-size: 18px;
    line-height: 26px;
}

.item .item-content {
    width: 100%;
    height: 130px;
    margin-top: 16px;
    font-size: 14px;
    color: #4E5D78;
    letter-spacing: 0;
    text-align: justify;
    line-height: 24px;
}

.item .item-bottom a {
    width: 80px;
    height: 30px;
    display: inline-block;
    background: #FFFFFF;
    border: 1px solid #BCC1CC;
    font-size: 14px;
    color: #BCC1CC;
    letter-spacing: 0;
    text-align: justify;
    line-height: 30px;
    text-align: center;
}

.row1 .item:hover {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/big_bg.png) !important;
    background-size: 100% 100%;
}

.row2 .item:hover {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/bg2.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img1 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/feikong1.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img2 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/shanglv2.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img3 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/caigou2.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img4 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/shuiwu2.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img5 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/caiwu2.png) !important;
    background-size: 100% 100%;
}

.row1 .item:hover .item-img6 {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/xiaoshou2.png) !important;
    background-size: 100% 100%;
}

.row2 .item:hover .item-img {
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/dangan2.png) !important;
    background-size: 100% 100%;
}

.row2 .item:hover .item-header span,
.row1 .item:hover .item-header span {
    color: #fff;
}

.row2 .item:hover .item-content,
.row1 .item:hover .item-content {
    color: #fff;
}

.row2 .item:hover .item-bottom a,
.row1 .item:hover .item-bottom a {
    background: #96adee;
    color: #fff;
}

/* SaSS产品优势模块 */
.advantage {
    width: 1100px;
    height: auto;
    margin: 0 auto;
    background: #fff;
}

.advantage .adv_title {
    width: 100%;
    height: 160px;
    line-height: 160px;
    text-align: center;
    color: #1A253B;
    font-size: 28px;
}

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

.adv_container .adv_box {
    flex: 1;
    margin-right: 30px;
    height: 355px;
    background: #FFFFFF;
    box-shadow: 0 6px 20px 0 rgba(0, 31, 153, 0.12), inset 0 1px 3px 0 rgba(254, 254, 254, 0.50), inset 2px 2px 0 0 #FFFFFF;
}

.adv_box .box_img {
    width: 100%;
    height: 220px;
}

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

.adv_box .box_content {
    width: 100%;
    height: 135px;
    padding: 20px;
    box-sizing: border-box;
}

.box_content .box_title {
    font-family: PingFangSC-Regular;
    font-size: 18px;
    color: #1A253B;
    letter-spacing: 0;
    margin-bottom: 16px;
}

.box_content .box_main {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #4E5D78;
    letter-spacing: 0;
    text-align: justify;
    line-height: 24px;
}

/* 成功案列样式 */
.enterprise {
    width: 1100px;
    margin: 0 auto;
    height: auto;
    box-sizing: border-box;
    background: #fff;
}

.enterprise .ent_title {
    width: 100%;
    height: 160px;
    line-height: 160px;
    text-align: center;
    color: #1A253B;
    font-size: 28px;
}

.enterprise img {
    width: 100%;
}

.img_bottom {
    margin-top: 60px;
    width: 100%;
    height: 650px;
    padding: 100px 130px;
    box-sizing: border-box;
    background-image: url(https://files.yuanian.com/yuanian/page_image/2024/0402-yny/huoban.png) !important;
    /* background-size: 100% 100%; */
    background-repeat: no-repeat;
    background-position: 50% 50%;
    background-attachment: scroll;
    background-size: cover;
}

.img_bottom h3 {
    font-family: PingFangSC-Regular;
    font-size: 28px;
    color: #FFFFFF;
    text-align: left;
}

.img_bottom p {
    font-family: PingFangSC-Regular;
    width: 540px;
    font-size: 14px;
    margin-top: 30px;
    color: #FFFFFF;
    letter-spacing: 0;
    line-height: 24px;
    text-align: left;
}

.img_bottom .img_btn {
    width: 218px;
    height: 40px;
    margin: 58px  0px;
    text-align: center;
    line-height: 40px;
    background: #F8F9FB;
    border: 1px solid #FFFFFF;
    box-shadow: 8px 8px 20px 0 rgba(55, 99, 170, 0.10);
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #1A253B;
    text-align: center;
}

/* 成功案列样式 */
.case {
    width: 1100px;
    height: auto;
    margin: 0 auto;
}

.case .case_title {
    width: 100%;
    height: 160px;
    line-height: 160px;
    text-align: center;
    color: #1A253B;
    font-size: 28px;
}

.case .taber {
    width: 100%;
    height: 110px;
    padding: 0 170px;
    box-sizing: border-box;
    display: flex;
    justify-content: space-around;
}

.taber .tab_box {
    width: 80px;
    height: 100%;
}

.tab_box img {
    width: 100%;
    height: 80px;
}

.tab_box p {
    font-family: PingFangSC-Regular;
    font-size: 14px;
    line-height: 20px;
    color: #1A253B;
    text-align: center;
    letter-spacing: 0;
    text-align: center;
}

.active {
    border-radius: 2px;
    border-bottom: 4px solid #001F99;
    -webkit-border-radius: 2px;
    -moz-border-radius: 2px;
    -ms-border-radius: 2px;
    -o-border-radius: 2px;
}

.tab_active {
    background: #FFFFFF;
    box-shadow: 0 0 20px 0 rgba(0, 31, 153, 0.12), inset 0 1px 3px 0 rgba(254, 254, 254, 0.50), inset 2px 2px 0 0 #FFFFFF;
    width: 100%;
    margin-top: 30px;
    box-sizing: border-box;
    padding: 10px;
    height: 260px;
    display: flex;
    justify-content: space-around;
}

.tab_active .tab_left {
    flex: 5;
    height: 240px;
}

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

.tab_active .tab_right {
    margin-left: 30px;
    flex: 6;
    height: 100%;
}

.tab_right h3 {
    font-family: PingFangSC-Regular;
    font-size: 18px;
    margin-top: 16px;
    color: #1A253B;
    letter-spacing: 0;
}

.tab_right .tab_content {
    width: 100%;
    margin-top: 20px;
    height: 140px;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #4E5D78;
    letter-spacing: 0;
    text-align: justify;
    line-height: 24px;
}

.tab_right .tab_btn {
    width: 80px;
    height: 30px;
    text-align: center;
    line-height: 30px;
    background: #FFFFFF;
    border: 1px solid #BCC1CC;
    font-family: PingFangSC-Regular;
    font-size: 14px;
    color: #BCC1CC;
    letter-spacing: 0;
}
.bto_content{
    margin: 0 auto;
    width: 1100px;
}

@media screen and (max-width: 1024px) {
    .main {
        width: 100%;
        padding: 0;
    }

    .description,
    .advantage,
    .case {
        width: 100%;
    }

    .enterprise {
        margin: 0 auto;
        width: 80%;
    }

    .img_bottom {
        width: 100%;
        height: auto;
        min-height: 200px;
    }

    .des_container {
        width: 80%;
        margin: 0 auto;
        flex-direction: column;
    }

    .adv_container {
        width: 80%;
        margin: 0 auto;
        flex-direction: column;
    }

    .case .taber {
        padding: 0;
    }

    .tab_active {
        height: auto;
        flex-direction: column;
    }

    .tab_active .tab_right {
        margin: 0;
        text-align: center;
    }

    .adv_container .adv_box {
        margin: 0;
    }

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

    .des_container .row1 {
        flex: 1;
    }

    .des_container .row2 {
        flex: 1;
    }

    .des_container .item {
        margin-bottom: 10px;
    }

    .enterprise .ent_title {
        width: 80%;
        margin: 0 auto;
        height: 80px;
        line-height: 40px;
        font-size: 18px;

    }
    .bto_content {
        width: 100%;
        margin: 0;
    }
    .img_bottom p{
        width: 100%;
    }
    .img_bottom{
        padding: 50px 10%;
    }
}