.tab {
    background-color: #f0f0f0;
    border-bottom: 1px solid #d9d9d9;
}

.tab .tab-main {
    width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    padding-top: 20px;
}

.tab .tab-main .item {
    width: 100%;
    text-align: center;
    padding: 27px 0;
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #333333;
    cursor: pointer;
    border: 1px solid #35586C;
    border-right: none;
}

.tab .tab-main .item:last-child {
    border-right: 1px solid #35586C;
}

.tab .tab-main .act {
    background: #35586C;
    color: #fff;
    transform: translateY(-3px) scaleY(1.09);
}

.tab-item2,
.tab-item3,
.tab-item4 {
    display: none;
}

.tab-item .box1 {
    background-color: #FAFAFA;
}

.tab-item .box1 .main {
    width: 1200px;
    margin: 0 auto;
    padding: 118px 0 80px 0;
}

.tab-item2 {
    background-color: #FAFAFA;
}

.tab-item2 .main {
    width: 1200px;
    margin: 0 auto;
}

.tab-item2 .main h2 {
    font-size: 28px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #010101;
    text-align: center;
    margin-bottom: 30px;
}

/* 主营业务 产品展示部分样式 */
/* .tab-item3 .tab-box {
   background: #F5F8FF;
}

.tab-item3 .tab-box .main {
   width: 1200px;
   margin: 0 auto;
   padding: 30px 0 100px 0;
   display: flex;
   align-items: center;
}

.tab-item3 .tab-box .main .main-items {
   width: 250px;
   background: #144B9C;
   border-radius: 10px;
   text-align: center;
   overflow: hidden;
   margin-right: 2px;
}

.tab-item3 .tab-box .main .main-items div {
   font-size: 16px;
   font-family: Microsoft YaHei;
   font-weight: 400;
   color: #FFFFFF;
   padding: 10px;
   white-space: nowrap;
   overflow: hidden;
}

.tab-item3 .tab-box .main .main-items div:nth-child(1) {
   background: #144B9C;
   text-align: center;
   border-bottom: 1px solid white;
} */