.le_top {
    width: 100%;
    height: 553px;
    background: url(../images/b.png) no-repeat;
    background-size:cover;
}

.let_p1 {
    font-size: 57px;
    font-weight: bold;
    color: #fff;
    padding-top: 69px;
    margin-bottom: 41px;
    text-align: center;
}

.let_p2 {
    font-size: 36px;
    font-weight: 400;
    color: #fff;
    margin-bottom: 76px;
    text-align: center;
}

.let_d1 {
    width: 859px;
    margin: auto;
}

    .let_d1 > span {
        display: inline-block;
        width: 259px;
        height: 47px;
        font-size: 22px;
        font-weight: 500;
        color: #fff;
        line-height: 47px;
        text-align: center;
        border: 1px solid #fff;
        margin-right: 38px;
    }

        .let_d1 > span:last-child {
            margin-right: 0;
        }

.let_d2 {
    width: 711px;
    height: 80px;
    background: rgb(250,122,18);
    border-radius: 40px;
    line-height: 80px;
    margin: auto;
    color: #fff;
    font-size: 27px;
    font-weight: bold;
    margin-top: 80px;
    text-align: center;
}

    .let_d2 > img {
        vertical-align: middle;
        margin-right: 16px;
    }
.bus_stress {
    width: 100%;
    height: 460px;
    background: #fff;
}

    .bus_stress .w1200 > p {
        padding-top: 56px;
        text-align: center;
        margin-bottom: 20px;
        font-size: 35px;
        font-weight: 500;
        color: rgb(51,51,51);
    }

.t2_2 {
    width:100%;
    height: 340px;
    padding-bottom: 0;
    display:flex;
    justify-content:space-around;
}

    .t2_2{
        margin-bottom: 0;
        box-shadow: none;
    }

.t22_1 > p:nth-child(3) {
    margin-bottom: 10px;
    font-size: 20px;
    color: rgb(95,95,95);
}

.t22_1 > p:nth-child(2) {
    font-size: 28px;
    color: rgb(76,76,76);
    margin-bottom: 25px;
}

.t22_1 > p {
    width: 251px;
    text-align:center;
}

.lb_p1 {
    font-size: 20px;
    color: rgb(95,95,95);
}

.le_con {
    background: #eee;
    padding-bottom: 88px;
}

    .le_con > p {
        font-size: 35px;
        font-weight: 500;
        color: rgb(51,51,51);
        padding-top: 63px;
        margin-bottom: 55px;
        text-align: center;
    }

.lec_ul {
    width: 1200px;
    margin: auto;
    display: flex;
    justify-content: space-between;
    flex-wrap: wrap;
    height: 377px;
}

.lec_li {
    width: 583px;
    height: 104px;
    background: #fff;
    box-shadow: 0px 4px 32px 0px rgba(82,82,82,0.15);
    border-radius: 10px;
    line-height: 104px;
}

.lec_sp1 {
    font-size: 40px;
    font-weight: 300;
    color: rgb(250,122,18);
    margin-left: 29px;
    margin-right: 30px;
}

.lec_sp2 {
    font-size: 28px;
    font-weight: 400;
    color: rgb(100,100,100);
    vertical-align: top;
}

.le_flow {
    width: 100%;
    height: 630px;
    background: #fff;
}

    .le_flow > p {
        font-size: 35px;
        font-weight: 500;
        color: rgb(51,51,51);
        padding-top: 56px;
        margin-bottom: 73px;
        text-align: center;
    }

.lef_img {
    width: 1076px;
    height: 133px;
    margin: auto;
    margin-bottom: 63px;
}

.lef_ul {
    width: 1260px;
    height: 193px;
    margin: auto;
    display: flex;
    justify-content: space-around;
}

.lef_li {
    width: 253px;
}

.lef_sp1 {
    font-size: 28px;
    font-weight: 500;
    color: rgb(71,71,71);
    text-align: center;
    margin-bottom: 44px;
}

.lef_sp2 {
    font-size: 23px;
    font-weight: 400;
    color: rgb(117,117,117);
    text-align: center;
}

.lef_sp3 {
    font-size: 23px;
    font-weight: 400;
    color: rgb(117,117,117);
    text-align: center;
    margin-top: 12px;
}
.t22_1 > p:nth-child(1) {
    padding-top: 32px!important;
    padding-bottom: 0px!important;
}
.t22_1 > p:nth-child(2) {
    font-size: 25px!important;
}