.tech {
    background: url(http://www.forthink.com.cn/Public/Home/default/images/pro_ehigh_jssl_back.png) no-repeat center;
    background-size: cover;
    padding: 4.55rem 0 3.64rem;
}

.main_center {
    width: 100%;
    margin: 0 auto;
}

.tech .common_h {
    margin-top: 0;
}

.common_h {
    text-align: center;
    margin: 5.45rem 0 4.77rem;
}

.fadeInUp {
    -webkit-animation-name: fadeInUp;
    animation-name: fadeInUp;
    display: flex;
    align-items: center;
    justify-content: space-evenly;
    flex-direction: column;
}

.tech .common_h p,
section .tech .common_h span,
section .tech .common_h h2 {
    color: #fff;
}

.common_h p {
    font-size: 1.91rem;
    font-weight: 100;
    color: #666;
    margin-bottom: 0.45rem;
    text-transform: uppercase;
}

.common_h p span {
    color: #4b75fd;
    margin-left: 1.14rem;
    text-transform: uppercase;
}

.common_h h2 {
    font-size: 1.82rem;
}

.common_h h2 {
    position: relative;
    font-size: 1.82rem;
    color: #ffffff;
}

.common_h h2::after {
    content: '';
    position: absolute;
    left: 50%;
    bottom: -1.05rem;
    transform: translateX(-50%);
    width: 3.64rem;
    height: 0.15rem;
    background-color: #4974fd;
}

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

.tech .container .box {
    width: 30%;
    background-color: #fff;
    text-align: center;
    padding: 1% 1%;
}

.fadeInUp {
    -webkit-animation-name: fadeInUp;
    animation-name: fadeInUp;
}

.tech .container .box .img {
    width: 12.23rem;
    height: 10.55rem;
    margin: 0 auto;
}

.tech .container .box .txt {
    margin-top: 1.59rem;
}

.tech .container .box .txt h2 {
    color: #000000;
    font-size: 1.09rem;
    font-weight: normal;
    margin-bottom: 1.36rem;
}

.tech .container .box .txt p {
    font-size: 0.73rem;
    color: #666;
    line-height: 1.36rem;
}

.tech .pic {
    width: 100%;
}

.tech .pic img {
    width: 100%;
    height: 160px;
}

.tech .title {
    color: #000000;
    font-size: 18px;
    font-weight: normal;
    margin: 0 auto;
}

.tech .text {
    height: 120px;
    font-size: 14px;
    color: #666;
    line-height: 1.36rem;
}