.banner {
    height: 780px;
    background: url(../images/digitalMarketing.png) no-repeat center center/cover;
    color:#fff;
}

.box {
    height: 780px;
    color: #fff;
    background: url(../images/digitalMarketing2.png) no-repeat center center/cover;
}
.banner-inner{
    padding-top: 250px;
}
.banner .title{
    text-align: right;
    font-size: 72px;
    margin-bottom: 40px;
    color:#fff;
    font-weight: 500;
}
.banner .text{
    border: 1px solid #fff;
    float: right;
    padding: 10px 20px;
    font-size: 32px;
}
.box-title {
    margin-bottom: 45px;
    padding-top: 88px;
}
.box .box-title{
    color: #fff;
}
.box-dec {
    font-size: 24px;
    text-align: center;
    margin-bottom: 40px;
}

.box-img {
    text-align: center;
}

.box-list {
    padding: 95px 0 100px;
    color: #333;
}

.box-list .box-title {
    margin-bottom: 70px;
    padding-top: 0;
}

.box-list .box-inner {
    margin-right: -3%;
}

.item {
    margin-right: 3%;
    width: 30.3%;
    border: 1px solid #ccc;
    float: left;
    color: #333;
    padding-top: 22px;
    height: 448px;
}

.box-list--1 .item:hover {
    border: 1px solid #4fc1f1;
    color: #4fc1f1;
    box-shadow: 0 3px 10px rgba(0, 0, 0, 0.2);
}

.item-img {
    text-align: center;
}

.item-title {
    font-size: 32px;
    margin-top: 25px;
    margin-bottom: 20px;
    text-align: center;
}

@media screen and (max-width: 1440px) {
    .item-title {
        font-size: 25px;
    }
}

.item-text {
    font-size: 18px;
    padding: 0 15px;
    text-align: justify;
}

.tab {
    margin-top: 30px;
    margin-right: 20px;
}

.tab-item {
    width: 150px;
    padding: 10px 0;
    text-align: center;
    color: #666666;
    font-size: 22px;
    background-color: #fff;
    border-top: 1px solid #ccc;
    cursor: pointer;
}

.tab .tab-item:first-child {
    border: none;
}

.tab-item:hover {
    color: #fff;
    background-color: #4fc1f1;
}

.tab-item.active {
    color: #fff;
    background-color: #4fc1f1;
}

.tab-item.active:after {
    content: " ";
    display: inline-block;
    width: 16px;
    height: 17px;
    background: url(../images/triangle.png) no-repeat center;
    background-size: 100%;
    float: right;
    margin-right: -15px;
    margin-top: 6px;
}

.tab-inner {
    overflow: hidden;
}

.tab-content {
    display: none;
}

.tab-content.active {
    display: block;
}

.content-text {
    overflow: hidden;
    max-width: 400px;
    height: 500px;
    padding: 40px 25px;
    background-color: rgba(0, 0, 0, 0.4);
    border: 2px solid #4fc1f1;
    border-radius: 20px;
}

.content-text .title {
    padding-left: 20px;
    border-left: 2px solid #4fc1f1;
    color: #4fc1f1;
    font-size: 22px;
    text-align: left;
    margin-bottom: 20px;
}

.content-text .text {
    font-size: 18px;
    line-height: 30px;
}

.box-list--2 {}

.box-list--2 .item {
    height: 207px;
    position: relative;
    padding: 0;
    color: #fff;
    border: none;
    overflow: hidden;
    margin-bottom: 10px;
}

.box-list--2 .item-img img {
    display: block;
    width: 100%;
}

.box-list--2 .item-text {
    position: absolute;
    top: 16px;
    left: 16px;
}

.box-list--2 .box-inner--1 {
    margin-right: -3%;
}

.box-list--2 .box-inner--1 .item {
    width: 31.3%;
    margin-right: 2%;
}
.box-list--2 .box-inner--2 .item {
    width: 48%;
    margin-right: 2%;
}
.line {
    width: 26px;
    height: 2px;
    background-color: #fff;
    margin: 8px 0 5px;
}

.box-list--2 .text1 {
    font-size: 24px;
}

.box-list--2 .text2 {
    font-size: 14px;
}
.box--2 .box-dec{
    margin-bottom: 70px;
}
.box--2 .box-img{
    margin-right: -3%;
}
.box--2 .box-img div{
    width: 24%;
    margin-right: 3%;
    margin-top: 40px;
}
.box--2 .box-img .computer{
    width: 42%;
    margin-top: 0;
}
.box-list--3 .title-border{
    width: 640px;
    height: 64px;
    border: 1px solid #ccc;
    margin: 0 auto;
}
.box-list--3 .title{
  background-color: #fff;
  width: 520px;
  margin: 0 auto;
  margin-top: -32px;
  margin-bottom: 80px;
}
.box-list--3 .item{
    height: 443px;
}