/*banner start*/
.banner {
    width: 100%;
    /*height: 300px;*/
    margin-top: 80px;
    position: absolute;
}

.banner-img {
    width: 100%;
    height: 100%;
}
.top-box {
    position: relative;
    z-index: 99;
    top: 80px;
    padding-bottom: 40px;
}

.title {
    width: 100%;
    text-align: center;
    /*margin-top: 80px;*/
    /*position: absolute;*/
    /*top: 66px;*/
    position: unset;
    z-index: 99;
    min-height: 160px;
    margin-bottom: 0;
}

.title-center {
    color: #FFFFFF;
}
/*banner end*/
.briefIntroduction-box {
    width: 100%;
    /*margin-top: -110px;*/
    position: relative;
    z-index: 99;
    margin-bottom: 40px;
    padding-bottom: 40px;
}

.briefIntroduction {
    width: 1200px;
    margin: 0 auto;
    /*padding-bottom: 40px;*/
}

.briefIntroduction-img-box {
    width: 100%;
    text-align: center;
}

.briefIntroduction-img {
    width: 1000px;
    height: auto;
}

.briefIntroduction-title {
    font-weight: 600;
    font-size: 24px;
    color: #FF702B;
    line-height: 33px;
    margin: 60px 0 50px;
    position: relative;
}

.briefIntroduction-title::before {
    content: "";
    display: inline-block;
    position: absolute;
    bottom: -10px;
    left: 0;
    width: 96px;
    height: 6px;
    background-color: #FF702B;
}
.briefIntroduction-row{
    display: flex;
    align-items: center;
}
.briefIntroduction-text {
    font-weight: 400;
    font-size: 16px;
    color: #333333;
    line-height: 32px;
    margin-bottom: 20px;
}

/*.briefIntroduction-text:last-child {*/
/*    margin-bottom: 80px;*/
/*}*/
.briefIntroduction-text a{
    color: #007aff;
}
.briefIntroduction-txt {
    color: #000000;
    font-weight: 600;
}
/*关注我们 start*/
.left {
    width: 50%;
    text-align: left;
}
.right {
    width: 50%;
    text-align: left;
}
.right-img{
    width: 150px;
    height: 150px;
}
/*关注我们 end*/
@media screen and (min-width: 768px) and (max-width: 1280px) {

    .title{
        min-height: 90px;
    }
    .title-left {
        margin-right: 29px;
    }

    .title-center {
        font-size: 40px;
        line-height: 56px;
    }

    .title-right {
        margin-left: 29px;
    }

    .briefIntroduction {
        width: 100%;
        padding: 0 48px;
    }

    .briefIntroduction-img {
        width: 100%;
    }

    .briefIntroduction-title {
        font-weight: 600;
        font-size: 24px;
        line-height: 33px;
    }
    .briefIntroduction-row{
        flex-direction: column;
        align-items: flex-start;
    }
    .briefIntroduction-text {
        font-weight: 400;
        font-size: 16px;
        color: #333333;
        line-height: 22px;
    }
    .briefIntroduction-row .briefIntroduction-text:last-child{
        margin-left: 0!important;
    }
    .briefIntroduction-txt {
        font-weight: 600;
        font-size: 16px;
        line-height: 32px;
    }
}

/*手机端*/
@media screen and (min-width: 0px) and (max-width: 767px) {
    .banner {
        margin-top: 44px;
        /*height: 150px;*/
    }
    .top-box{
        top: 44px;
    }

    .title {
        min-height: 50px;
        /*top: 40px;*/
    }

    .title-left {
        width: 48px;
        height: 1px;
        margin-right: 20px;
    }

    .title-center {
        font-size: 24px;
        line-height: 33px;
    }

    .title-right {
        width: 48px;
        height: 1px;
        margin-left: 20px;
    }

    .briefIntroduction-box {
        /*margin-top: -40px*/
    }

    .briefIntroduction {
        width: 100%;
        padding: 0 20px;
    }

    .briefIntroduction-img {
        width: 100%;
    }

    .briefIntroduction-title {
        font-size: 20px;
        line-height: 28px;
        margin: 44px 0 27px;
    }
    .briefIntroduction-title::before{
        bottom: -10px;
    }
    .briefIntroduction-row2{
        flex-direction: column;
    }
    .left{
        width: 100%;
    }
    .briefIntroduction-row{
        flex-direction: column;
        align-items: flex-start;
    }
    .briefIntroduction-row .briefIntroduction-text:last-child{
        margin-left: 0!important;
    }
    .briefIntroduction-text {
        font-size: 14px;
        line-height: 20px;
        margin-bottom: 12px;
    }

    .briefIntroduction-text:last-child {
        margin-bottom: 40px;
    }

    .briefIntroduction-txt {
        font-size: 14px;
        line-height: 32px;
    }
}