.banner {
    height: 610px;
}

.banner-slide-img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}

/* 服务领域 */
.service {
    margin-top: 50px;
}

.service-item {
    box-sizing: border-box;
    padding: 45px 25px;
    width: 285px;
    height: 325px;
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
    border: 1px solid #E6E6E6;
    font-size: 0;
    text-align: center;
    cursor: pointer;
}

.service-item-icon {
    display: block;
    margin: auto;
    width: 90px;
    height: 90px;
}

.service-item-icon:nth-of-type(2) {
    display: none;
}

.service-item-title {
    margin-top: 35px;
    position: relative;
    padding-bottom: 15px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    line-height: 1;
    color: #262626;
}

.service-item-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: #0092E5;
}

.service-item-text {
    margin-top: 10px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 24px;
    color: #666;
}

.service-item:hover {
    background-image: url(../static/images/systematic_development_service_bg.jpg);
}

.service-item:hover * {
    color: #fff;
}


.service-item:hover .service-item-title::after {
    background-color: #fff;
}

.service-item:hover .service-item-icon:nth-of-type(1) {
    display: none;
}

.service-item:hover .service-item-icon:nth-of-type(2) {
    display: inherit;
}

/* 项目层次架构 */
.framework {
    background-image: url(../static/images/framework_bg.jpg);
    background-repeat: no-repeat;
    background-position: center;
    background-size: cover;
}

.framework-list {
    overflow: hidden;
    margin-top: 15px;
}

.framework-list-item {
    float: left;
    margin-top: 35px;
    margin-right: 132px;
    width: 200px;
    height: 200px;
    background-color: #fff;
    border-radius: 15px;
    -webkit-border-radius: 15px;
    -moz-border-radius: 15px;
    -ms-border-radius: 15px;
    -o-border-radius: 15px;
    font-size: 0;
    text-align: center;
}

.framework-list-item:nth-child(4n) {
    margin-right: 0;
}

.framework-list-itemIcon {
    margin-top: 30px;
    width: 88px;
    height: 100px;
}

.framework-list-itemTitle {
    margin-top: 15px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: 600;
    line-height: 1;
    color: #262626;
}

/* 项目开发流程 */
.process {
    overflow: hidden;
    margin-top: 50px;
}

.process-item {
    float: left;
    margin-right: 40px;
    width: 160px;
    font-size: 0;
    text-align: center;
}

.process-item:last-child {
    margin-right: 0;
}

.process-item-icon {
    width: 100px;
    height: 100px;
}

.process-item-title {
    position: relative;
    margin-top: 30px;
    padding-bottom: 20px;
    font-size: 18px;
    font-family: Source Han Sans CN;
    font-weight: 600;
    line-height: 1;
    color: #262626;
}

.process-item-title::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: #0092E5;
}

.process-item-text {
    margin-top: 10px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 26px;
    color: #666666;
}

/* 服务优势 */
.advantage {
    overflow: hidden;
    margin-top: 20px;
    background-color: #F7F7FC;
}

.advantage-list-item {
    float: left;
    box-sizing: border-box;
    margin-top: 30px;
    margin-right: 40px;
    padding: 40px;
    width: 373px;
    height: 280px;
    border: 1px solid #ccc;
    font-size: 0;
    text-align: center;
    cursor: pointer;
}

.advantage-list-item:nth-child(3n) {
    margin-right: 0;
}

.advantage-list-itemIcon {
    display: block;
    margin: auto;
    width: 70px;
    height: 70px;
}

.advantage-list-itemIcon:nth-of-type(2) {
    display: none;
}

.advantage-list-itemTitle {
    position: relative;
    margin-top: 35px;
    padding-bottom: 15px;
    font-size: 16px;
    font-family: Source Han Sans CN;
    font-weight: bold;
    line-height: 1;
    color: #262626;
}

.advantage-list-itemTitle::after {
    content: "";
    position: absolute;
    bottom: 0;
    left: 50%;
    transform: translateX(-50%);
    -webkit-transform: translateX(-50%);
    -moz-transform: translateX(-50%);
    -ms-transform: translateX(-50%);
    -o-transform: translateX(-50%);
    width: 30px;
    height: 2px;
    background-color: #0092E5;
}

.advantage-list-itemText {
    margin-top: 10px;
    font-size: 14px;
    font-family: Source Han Sans CN;
    font-weight: 400;
    line-height: 24px;
    text-align: center;
    color: #666;
}


.advantage-list-item:hover {
    background-color: #0092E5;
 }

.advantage-list-item:hover .advantage-list-itemIcon:nth-of-type(1) {
    display: none;
}

.advantage-list-item:hover .advantage-list-itemIcon:nth-of-type(2) {
    display: block;
}

.advantage-list-item:hover .advantage-list-itemTitle::after {
    background-color: #fff;
}

.advantage-list-item:hover * {
   color: #fff;
}