.banner_content {
    font-size: 16px;
    width: 700px;
    height: 60%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    margin-bottom: 40px;
    margin-left: 500px;
}

.banner_content>h1 {
    padding-left: 150px;
    /* margin-top: 20px; */
    color: #fff;
}

.banner_content>.banner_images {
    display: flex;
    justify-content: space-between;
    align-items: stretch;
    color: #fff;
}

.banner_content>.banner_images>.image_item {
    width: 29%;
}

.banner_content>.banner_images>.image_item>img {
    box-sizing: border-box;
    border: 10px solid #fff;
    width: 100%;
    height: 150px;
}

.banner_content>.banner_images>.image_item>h2 {
    text-align: center;
}


/* 我们服务的优势 */

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

.advantage_container {
    height: 200px;
    width: 32%;
    padding: 40px;
    box-sizing: border-box;
    font-size: 16px;
    border-radius: 10px;
    color: #fff;
}

.advantage_container.zhuanzhu {
    background: url("../images/service_advantage_zhuanzhu.png");
    background-size: cover;
}

.advantage_container.zhuanye {
    background: url("../images/service_advantage_zhuanye.png");
    background-size: cover;
}

.advantage_container.zhuancai {
    background: url("../images/service_advantage_zhuancai.png");
    background-size: cover;
}

.advantage_container>h2 {
    font-size: 30px;
    text-align: center;
    margin-bottom: 20px;
}

.system_container {
    background: #fff;
    height: 400px;
    width: 23%;
    padding: 80px 40px;
    box-sizing: border-box;
    font-size: 16px;
    box-shadow: 0 0 10px #eee;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.system_container>.bg {
    display: flex;
    align-items: center;
    justify-content: center;
}

.system_container>.bg>.circle {
    width: 150px;
    height: 150px;
    border-radius: 50%;
    background: #edf6fd;
    display: flex;
    justify-content: center;
    align-items: center;
}

.system_container>.bg>.circle img {
    width: 50%;
}

.system_container>.bottom {
    height: 100px;
}

.system_container>.bottom>h2 {
    text-align: center;
    margin-bottom: 20px;
    color: #44a8f2;
}


/* 售后服务 */

.service_border {
    border-top: 3px dashed #eee;
    position: relative;
    height: 200px;
    margin-top: 100px;
}

.service_border>.service_main {
    position: absolute;
    top: -65px;
    left: 0;
    right: 0;
    display: flex;
    justify-content: space-between;
}

.service_container {
    height: 200px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}

.service_container>.service_content {
    border: 1px solid #eee;
    border-radius: 50%;
    width: 120px;
    height: 120px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service_container>.service_content>.circle {
    width: 90px;
    height: 90px;
    border-radius: 50%;
    display: flex;
    justify-content: center;
    align-items: center;
}

.service_container>.service_content>.circle img {
    width: 50%;
}