.header {
    position: relative;
}

.stimg {
    display: block;
    margin: auto;
    margin-top: 108px;
}

.stimgs {
    display: block;
    margin: auto;
    margin-top: 74px;
}

.ssp {
    color: #007108;
    text-align: center;
    font-size: 43px;
    margin-top: 5px;
}

.spthree {
    width: 62%;
    overflow: hidden;
    display: block;
    margin: auto;
    padding-top: 44px;
    padding-bottom: 64px;
}

.seimgs {
    width: 29.3%;
    margin: 0 2%;
    display: block;
    float: left;
}

.stcontent {
    width: 100%;
    overflow: hidden;
    background: #f4f4f4;
    padding-bottom: 215px;
}

.stdiv {
    width: 73%;
    margin: auto;
}

.stspan {
    font-size: 30px;
    color: #007108;
    font-weight: bold;
    display: block;
    line-height: 51px;
    margin-top: 35px;
}

@media screen and (max-width: 1680px) {
    .stimg {
        margin-top: 70px;
    }

    .stcontent {
        padding-bottom: 188px;
    }
}

@media screen and (max-width: 1500px) {
    .stcontent {
        padding-bottom: 147px;
    }

    .stimg {
        margin-top: 63px;
        width: 430px;
    }

    .spthree {
        width: 75%;
    }

    .stimgs {
        width: 285px;
        margin-top: 67px;
    }

    .ssp {
        font-size: 39px;
    }
}

@media screen and (max-width: 1400px) {
    .stcontent {
        padding-bottom: 137px;
    }

    .stimg {
        margin-top: 59px;
    }

    .stimgs {
        margin-top: 63px;
    }

    .ssp {
        font-size: 36px;
    }
}

@media screen and (max-width: 1300px) {
    .stcontent {
        padding-bottom: 127px;
    }

    .stimg {
        margin-top: 35px;
    }

    .stimgs {
        margin-top: 50px;
    }

    .ssp {
        font-size: 33px;
    }
}

@media screen and (max-width: 1200px) {
    .stcontent {
        padding-bottom: 117px;
    }

    .stimg {
        margin-top: 30px;
        width: 387px;
    }

    .stimgs {
        margin-top: 40px;
        width: 257px;
    }

    .ssp {
        font-size: 30px;
    }
}

@media screen and (max-width: 768px) {
    .spthree {
        width: 80%;
    }

    .stdiv {
        width: 80%;
    }

    .stcontent {
        padding-bottom: 89px;
    }
}

@media screen and (max-width: 450px) {
    .stimg{
        width: 260px;
        margin-top: 15px;
    }

    .stimgs {
        margin-top: 20px;
        width: 150px;
    }

    .ssp {
        font-size: 20px;
    }

    .spthree {
        width: 95%;
        padding-top: 20px;
        padding-bottom: 30px;
    }

    .stspan {
        font-size: 20px;
        margin-top: 10px;
    }

    .stdiv {
        width: 90%;
    }

    .stcontent {
        padding-bottom: 50px;
    }

    .sndiv span{
        line-height: 30px !important;
    }
}