body {
    padding-top: 86px;
}
@media (max-width: 992px){
    body {
        padding-top: 50px;
    }
}
.intro {
    padding-bottom: 1.8rem;
    background-color: #f0f0f0;
}
.common-title-wrap {
    justify-content: center;
}
.about-info {
    /* display: -webkit-box;
    display: -ms-flexbox;
    display: flex; */
    margin-bottom: 1.4rem;
}
.about-info-text {
    /* flex: 1; */
    /* padding-right: .6rem; */
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 16px;
    line-height: 28px;
    color: #333333;
}
.about-info-text p {
    display: inline;
}
.about-info-text img {
    float: right;
    width: 31.914894%;
    min-width: 300px;
    margin: 0 0 .3rem .6rem;
}
/* .about-info-img {
    width: 450px;
    height: 280px;
    background: inherit;
    background-image: url(../images/about_img.jpg);
    background-repeat: no-repeat;
    background-size: 100% 100%;
    border: none;
    border-radius: 0px;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
} */

@media (max-width: 576px) {
    .about-info-text {
        font-size: 14px;
        line-height: 22px;
    }
    .about-info-text img {
        width: 100%;
        margin: 0 0 .3rem;
    }
}

.nt {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    background-color: #fff;
}
.nt-item {
    width: 25%;
    padding: .6rem 0 .4rem;
    text-align: center;
}
.nt-icon {
    display: block;
    width: 35.177305%;
    min-width: 60px;
    margin: 0 auto .4rem;
}
.nt-desc {
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 22px;
    color: #666666;
    line-height: 40px;
}
@media (max-width: 768px) {
    .nt {
        flex-wrap: wrap;
    }
    .nt-item {
        width: 50%;
    }
}

.step {
    position: relative;
    margin: 0 auto;
    background-image: url(../images/about_bb.jpg);
    background-repeat: no-repeat;
    background-position: top center;
    background-size: cover;
    border: none;
    border-radius: 0;
    -moz-box-shadow: none;
    -webkit-box-shadow: none;
    box-shadow: none;
}
.step-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    position: relative;
    z-index: 3;
    padding-bottom: 1.4rem;
}
.step-item {
    position: relative;
    width: 12.5%;
    overflow: hidden;
}
.step-num {
    position: relative;
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    justify-content: center;
    align-items: center;
    width: .8rem;
    min-width: 30px;
    height: .8rem;
    min-height: 30px;
    margin: 0 auto .2rem;
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-style: normal;
    font-size: 18px;
    color: #333333;
    background-color: #fff;
    border-radius: 50%;
}
.step-num::before {
    content: "";
    position: absolute;
    right: 100%;
    width: 500%;
    height: 2px;
    background-color: #fff;
}
.step-num::after {
    content: "";
    position: absolute;
    left: 100%;
    width: 500%;
    height: 2px;
    background-color: #fff;
}
.step-item:first-child .step-num::before {
    display: none;
}
.step-item:last-child .step-num::after {
    display: none;
}
.step-title {
    font-family: "微软雅黑", sans-serif;
    font-weight: 400;
    font-size: 22px;
    line-height: 32px;
    color: #fff;
    text-align: center;
}

@media (max-width: 992px) {
    
}
@media (max-width: 768px) {
    .step-list {
        flex-wrap: wrap;
    }
    .step-item {
        display: -webkit-box;
        display: -ms-flexbox;
        display: flex;
        align-items: center;
        width: 25%;
        margin-bottom: .4rem;
    }
    .step-num {
        margin: 0 .1rem 0 0;
    }
    .step-num::before,
    .step-num::after {
        display: none;
    }
}
@media (max-width: 576px) {
    .step-item {
        width: 33.3333%;
    }
}
@media (max-width: 400px) {
    .step-item {
        width: 50%;
    }
}

.customer {
    padding-bottom: 1.8rem;
    background-color: #f0f0f0;
}
.customer-list {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
    flex-wrap: wrap;
    width: 102.12766%;
    margin-left: -1.041667%;
}
.customer-item {
    width: 14.583333%;
    margin: 0 1.041667%;
    margin-bottom: .6rem;
    background-color: #fff;
}
@media (max-width: 1200px){
    .customer-item {
        width: 17.916666%;
    }
}
@media (max-width: 992px){
    .customer-item {
        width: 22.916666%;
    }
}
@media (max-width: 768px){
    .customer-item {
        width: 31.2499994%;
    }
}
@media (max-width: 576px){
    .customer-item {
        width: 47.916666%;
    }
}
@media (max-width: 400px){
    .customer-list {
        width: 100%;
        margin-left: 0;
    }
    .customer-item {
        width: 47.916666%;
    }
}