.banner {
    padding-top: 110px;
    position: relative;
    overflow: hidden;
}

.banner.fixed {
    padding-top: 75px;

}



.banner .swiper-pagination {
    bottom: 20px !important;
}

.banner .swiper-pagination-bullet {
    width: 10px;
    height: 10px;
    opacity: 1;
    margin: 0 8px !important;
    background: #fff;
}

.banner .swiper-pagination-bullet-active {
    background: #2563AE;
}



.welcome_about {
    background: url(../images/welcome/welcome_about.png);
    padding: 75px 0 110px;
    position: relative;
}

.welcome_about .about_content {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    justify-content: center;
}

.about_name {
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    justify-content: center;

}

.about_name h2 {
    font-size: 60px;
    font-family: Arial;
    font-weight: bold;
    color: #EBEBEB;
    line-height: 1;
}

.about_name h3 {
    font-size: 45px;
    font-family: Microsoft YaHei;
    font-weight: bold;
    color: #000000;
    line-height: 1;
}

.welcome_about .about_content .about_row {
    display: flex;
    flex-direction: row;
    width: 100%;
    justify-content: space-between;
    margin: 40px 0 50px;
}

.welcome_about .about_content .about_row .about_left {
    width: 86%;
    display: flex;
    flex-direction: column;
    align-items: flex-start;
}

.welcome_about .about_content .about_row .about_left .left_h2 {
    padding-top: 15px;
    font-size: 28px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #2563AE;
    line-height: 36px;
    margin-bottom: 30px;
    position: relative;
}

.welcome_about .about_content .about_row .about_left .left_h2::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    width: 37px;
    height: 2px;
    background: #2563AE;
}

.welcome_about .about_content .about_row .about_left p {
    font-size: 22px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #676767;
    line-height: 45px;
}


.welcome_about .about_content .about_row .about_right {
    margin-top: 50px;
    display: flex;
    flex-direction: column;
}

.welcome_about .about_content .about_row .about_right .right_cloumn {
    padding-bottom: 40px;
    border-bottom: 1px solid #D8D8D8;
    margin-bottom: 30px;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}

.welcome_about .about_content .about_row .about_right .right_cloumn:last-child {
    margin-bottom: 0;
}

.welcome_about .about_content .about_row .about_right .right_cloumn p {
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #676767;
    line-height: 1;
}

.welcome_about .about_content .about_row .about_right .right_cloumn p span {
    font-size: 48px;
    font-family: Arial;
    font-weight: bold;
    color: #F9860B;
    line-height: 1;
}

.welcome_about .about_content .about_row .about_right .right_cloumn h5 {
    font-size: 18px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #000000;
    line-height: 1;
    margin-top: 5px;
}


.welcome_but {
    height: 48px;
    border: 1px solid #2563AE;
    border-radius: 8px;
    line-height: 47px;
    padding: 0 70px 0 20px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #2563AE !important;
    background: url(../images/welcome/welcome_but1.png) no-repeat right 20px center;
    transition: .5;
}

.welcome_but:hover {

    color: #FFFFFF !important;
    background: #2563AE url(../images/welcome/welcome_but2.png) no-repeat right 20px center;
}

.welcome_about .about_content .pic {
    margin-top: 60px;
}

.welcome_equipment {
    width: 100%;
    background: #0B3567;
    position: relative;
    padding: 70px 0;
}

.welcome_equipment .equipment_content {
    width: 90%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
}


.welcome_equipment .equipment_content .about_name h2 {
    color: #FFFFFF;
    opacity: 0.05;
}

.welcome_equipment .equipment_content .about_name h3 {
    color: #F9860B;
}

.welcome_equipment .equipment_content .equipment_sriper {
    position: relative;
    overflow: hidden;
    width: 100%;
    margin: 50px 0;
}

.equipment_sriper .equipment_min {
    background: #FFFFFF;
    border-radius: 20px;
    padding: 20px;
    display: flex;
    flex-direction: column;
    width: 100%;
    align-items: center;
    justify-content: center;
}

.equipment_sriper .equipment_min .pic {
    width: 100%;
    height: 380px;
    display: flex;
    align-items: center;
    justify-content: center;
    overflow: hidden;
}

.equipment_sriper .equipment_min .pic img {
    transition: .5s;
}

.equipment_sriper .equipment_min:hover .pic img {
    transform: scale(1.05);
    -moz-transform: scale(1.05);
    -webkit-transform: scale(1.05);
}


.equipment_sriper .equipment_min p {
    margin: 20px 0;
    width: 100%;
    text-align: center;
    font-size: 22px;
    line-height: 38px;
    height: 76px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #4C4C4C;
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 2;
    overflow: hidden;
}

.equipment_sriper .equipment_min .equipment_but {
    margin: 10px 0 20px;
    padding: 8px 30px;
    border: 1px solid #2563AE;
    border-radius: 19px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #2563AE;
    transition: .5s;
}

.equipment_sriper .equipment_min:hover .equipment_but {
    background: #2563AE;
    color: #FFFFFF;
}

.welcome_equipment .welcome_but {
    border: 1px solid #FFFFFF;
    border-radius: 8px;
    line-height: 47px;
    padding: 0 70px 0 20px;
    font-size: 14px;
    font-family: Microsoft YaHei;
    font-weight: 400;
    color: #FFFFFF !important;
    background: url(../images/welcome/welcome_but2.png) no-repeat right 20px center;
}

@media (max-width: 1601px) {
    .equipment_sriper .equipment_min .pic {
        height: 285px;
    }

    .equipment_sriper .equipment_min p {
        font-size: 20px;
        line-height: 35px;
        height: 70px;
    }
}

@media (max-width: 1500px) {
    .banner {
        padding-top: 95px;
    }

    .about_name h2 {
        font-size: 50px;
    }

    .about_name h3 {
        font-size: 38px;
    }

    .welcome_about .about_content .about_row .about_left .left_h2 {
        padding-top: 13px;
        font-size: 26px;
        margin-bottom: 25px;
    }

    .welcome_about .about_content .about_row .about_left p {
        font-size: 20px;
        line-height: 40px;
    }

    .welcome_about .about_content .about_row .about_right .right_cloumn p span {
        font-size: 40px;
    }

    .welcome_about .about_content .about_row .about_right .right_cloumn h5 {
        font-size: 16px;
    }
}

@media (max-width: 992px) {
    .banner {
        padding-top: 80px;
    }

    .about_name h2 {
        font-size: 40px;
    }

    .about_name h3 {
        font-size: 30px;
    }

    .welcome_about {
        padding: 55px 0 80px;
    }

    .welcome_about .about_content .about_row .about_left .left_h2 {
        font-size: 24px;
        margin-bottom: 20px;
    }

    .welcome_about .about_content .about_row .about_left p {
        font-size: 17px;
        line-height: 35px;
    }

    .welcome_about .about_content .about_row {
        flex-direction: column;
    }

    .welcome_about .about_content .about_row .about_left {
        width: 100%;
    }

    .welcome_about .about_content .about_row .about_right {
        width: 100%;
        flex-direction: row;
        justify-content: space-around;
    }

    .welcome_about .about_content .about_row .about_right .right_cloumn {
        margin-bottom: 0px;
    }
}


@media (max-width: 600px) {
    .banner {
        padding-top: 64px;
    }

    .banner .swiper-pagination {
        bottom: 10px !important;
    }

    .banner .swiper-pagination-bullet {
        width: 8px;
        height: 8px;
        margin: 0 4px !important;
    }

    .welcome_about {
        padding: 35px 0 40px;
    }

    .welcome_about .about_content .about_row .about_left .left_h2 {
        font-size: 20px;
        margin-bottom: 15px;
    }

    .welcome_about .about_content .about_row .about_left p {
        font-size: 15px;
        line-height: 30px;
    }

    .welcome_about .about_content .about_row .about_right .right_cloumn {
        padding-bottom: 30px;
    }

    .welcome_but {
        height: 41px;
        line-height: 40px;
        padding: 0 60px 0 15px;
        font-size: 12px;
        background: url(../images/welcome/welcome_but1.png) no-repeat right 15px center;
    }

    .welcome_but:hover {
        background: #2563AE url(../images/welcome/welcome_but2.png) no-repeat right 15px center;
    }


    .welcome_equipment .welcome_but {
        height: 41px;
        line-height: 40px;
        padding: 0 60px 0 15px;
        font-size: 12px;
        background: url(../images/welcome/welcome_but2.png) no-repeat right 15px center;
    }

    .welcome_about .about_content .pic {
        margin-top: 40px;
    }

    .welcome_equipment {
        padding: 40px 0;
    }

    .about_name h2 {
        text-align: center;
    }

    .equipment_sriper .equipment_min .pic {
        height: 380px;
    }

    .equipment_sriper .equipment_min p {
        margin: 15px 0;
        font-size: 18px;
        line-height: 30px;
        height: 60px;
    }
}