.main {
    background-color: #f8f8fb;
}

.banner {
    width: 1200px;
    height: 316px;
    margin: 0 auto;
    font-size: 44px;
    background: url(https://dengkeyun.oss-cn-shenzhen.aliyuncs.com/FrontResources/dengkeyun_website/product/product-banner.jpg)
        0 0 no-repeat;
    background-size: 100% 100%;
    /* padding-top: 150px;  无导航栏高度*/
    padding-top: 214px;
    /* 导航栏和 banner 总高度*/
}

.banner h1 {
    margin-bottom: 8px;
}

.banner p {
    font-size: 24px;
    color: #999999;
    margin-bottom: 31px;
}

.wrap {
    width: 100%;
    background-color: #fff;
    padding-top: 128px;
    padding-bottom: 152px;
}

.content {
    margin: 0 auto;
}

.wrap section {
    text-align: center;
}

.intrcution {
    margin-bottom: 175px;
}

.intrcution > strong {
    font-weight: 400;
    font-size: 24px;
    color: #1890ff;
    margin-bottom: 16px;
}

.h2-title {
    font-weight: 500;
    font-size: 40px;
    color: #333333;
    margin-bottom: 16px;
}

.sub-title {
    font-size: 18px;
    color: #666666;
    margin-bottom: 47px;
}

/* 栅格列表 */
.ability-list {
    width: 1200px;
    margin: 0 auto 112px;
    display: flex;
    align-items: center;
    list-style: none;
    flex-wrap: wrap;
}

.ability-item {
    width: 25%;
    margin-bottom: 72px;
}

.ability-item .ability-img {
    width: 40px;
    height: 40px;
}

.ability-item .ability-h3 {
    font-size: 20px;
    color: #333300;
    margin-bottom: 8px;
    margin-top: 24px;
}

.ability-item .ability-sub {
    width: 150px;
    white-space: wrap;
    font-size: 16px;
    color: #999999;
    text-align: center;
    margin: 0 auto;
}

/* 产品优势 */
.advantage > .h2-title {
    margin-bottom: 72px;
}

.advantage-list {
    width: 1200px;
    margin: 0 auto 132px;
    display: flex;
    align-items: center;
    list-style: none;
    flex-wrap: wrap;
}

.advantage-item {
    width: 33.333%;
    display: flex;
    margin-bottom: 52px;
}

.advantage-img {
    width: 64px;
    height: 64px;
    margin-right: 24px;
}

.advantage-h3 {
    font-weight: 400;
    font-size: 20px;
    color: #333333;
    text-align: left;
    margin-top: 13px;
    margin-bottom: 16px;
}

.advantage-sub {
    width: 282px;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    text-align: justify;
}

/* 服务 */
.service .h2-title {
    margin-bottom: 72px;
}

.service-list {
    width: 1200px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    list-style: none;
    margin: 0 auto;
}

.service-item {
    background-image: linear-gradient(180deg, #fcfcfc 0%, #ffffff 100%);
    width: 282px;
    height: 380px;
    border: 1px solid #eeeeee;
    border-radius: 8px;
    overflow: hidden;
    cursor: pointer;
}

.service-img {
    width: 240px;
    height: 224px;
    margin: 30px 20px 0;

    -webkit-transition: all 0.3s linear;
    transition: all 0.3s linear;
}

.service-item:hover .service-img {
    width: 140px;
    height: 121px;
    border: none;
}

.service-item:hover .service-sub {
    margin-top: 16px;
}

.service-h3 {
    font-size: 24px;
    color: #333333;
    margin-top: 40px;
}

.service-sub {
    width: 245px;
    font-size: 16px;
    color: #666666;
    line-height: 28px;
    margin: 0 auto;
    margin-top: 45px;
    text-align: left;
}

/* 客户案例 */
.case {
    margin-top: 142px;
}

.case .center {
    width: 1200px;
    display: block;
    margin: 0 auto;
}

.case .h2-title {
    margin-bottom: 72px;
}

/* 留出分页器空间 */
.swiper-wrapper {
    padding-top: 48px;
}

/* 轮播图分页 */
.swiper-pagination {
    width: 1200px;
    display: flex;
    justify-content: space-around;
    align-items: center;
    margin: 0 auto;
    position: unset;
}

.swiper-pagination-bullet {
    min-width: 126px;
    max-width: 14%;
    height: 37px;
    line-height: 37px;
    border-radius: 0;
    background-color: unset;
    font-size: 18px;
    color: #333333;
    cursor: pointer;
    opacity: unset;
    text-align: center;
    overflow: hidden;
    text-overflow: ellipsis;
    white-space: nowrap;
}

.swiper-pagination-bullet-active {
    background-color: #1890ff;
    color: #fff;
}

/* 轮播图展示 */
.slide-detail {
    width: 1200px;
    height: 272px;
    margin: 0 auto;
    display: flex;
}

.slide-detail .left {
    width: 486px;
    height: 272px;
    background-color: #fdf1f1;
    overflow: hidden;
}

.left-img {
    width: 100%;
    height: auto;
}

.slide-detail .right {
    flex: 1;
    height: 272px;
    background: #ffffff;
    box-shadow: 0 2px 14px 0 rgba(221, 221, 221, 0.5);
}

.right {
    position: relative;
}

.bg-logo {
    width: 102px;
    height: 88px;
    background: url(https://dengkeyun.oss-cn-shenzhen.aliyuncs.com/FrontResources/dengkeyun_website/product/case-bg.png)
        0 0 no-repeat;
    background-size: 100% 100%;
    position: relative;
    top: 27px;
    left: 42px;
}

.case-name {
    position: absolute;
    top: 69px;
    left: 58px;
    width: auto;
}

.avatar {
    display: inline-block;
    width: 40px;
    height: 40px;
    vertical-align: middle;
    margin-right: 12px;
}

.avatar img {
    width: 40px;
    height: 40px;
    background-size: 100%;
}

.case-name .name {
    font-size: 18px;
    color: #333333;
    vertical-align: middle;
}

.right p {
    position: absolute;
    top: 117px;
    left: 61px;
    font-size: 18px;
    color: #333333;
    width: 607px;
    text-align: left;
}

.case .selcont {
    width: 1200px;
    display: flex;
    align-items: center;
    justify-content: center;
}

.case .selcont .item {
    margin-left: 34px;
    padding: 6px 9px;
    font-weight: 400;
    font-size: 18px;
    color: #333333;
    cursor: pointer;
}

.case .selcont .on {
    background: #1890ff;
    font-weight: 400;
    font-size: 18px;
    color: #ffffff;
}