.jst_banner {
    width: 100%;

}

.swiper-button-prev1 {
    width: 40px;
    height: 40px;
    border: 1px solid #fff;
    position: absolute;
    top: 70%;
    left: 15%;
    z-index: 2;
    color: #fff;
    line-height: 40px;
    text-align: center;
    cursor: pointer

}

.swiper-button-prev1:hover {
    width: 40px;
    height: 40px;
    background: #c64a28;
    border: 1px solid #c64a28;
}

.swiper-button-next2 {
    width: 40px;
    height: 40px;
    border: 1px solid #fff;
    position: absolute;
    top: 70%;
    left: 18%;
    z-index: 2;
    color: #fff;
    line-height: 40px;
    text-align: center;
    cursor: pointer

}

.swiper-button-next2:hover {
    width: 40px;
    height: 40px;
    background: #c64a28;
    border: 1px solid #c64a28;
}

.smallbannerlist {
    width: 633px;
    position: absolute;
    height: 100px;
    top: 70%;
    left: 40%;
    z-index: 2;
}

.smallbanner {
    width: 33.3%;
    float: left;
    height: 100%;
    -webkit-filter: brightness(0.4);
    filter: brightness(0.4);
}

.smallbannerlight {

    -webkit-filter: brightness(1.2);
    filter: brightness(1.2);
}

.bannerIntro_box {
    width: 389px;
    left: 15%;
    position: absolute;
    top: 22%;
    z-index: 2;
}

.bannerIntro_title1 {
    font-size: 50px;
    color: #dadada;
    line-height: 1;
    font-family: "思源黑体 CN Heavy";
}

@media (max-width: 1400px) {
    .bannerIntro_title1 {
        font-size: 40px;
        color: #dadada;
        line-height: 1;
        font-family: "思源黑体 CN Heavy";
    }
}

.bannerIntro_title2 {
    font-size: 30px;
    color: #dadada;
    line-height: 1.5;
    font-family: "思源黑体 CN Heavy";
}

.bannerIntro_title3 {
    font-size: 12px;
    color: #fff;
    line-height: 1.5;
    font-family: "思源黑体 CN Heavy";
}

.bannerIntro_title4 {
    padding-top: 40px;
    font-size: 54px;
    color: #fff;
    line-height: 1.5;
    font-family: "思源黑体 CN Heavy";
}

.bannerIntro_title5 {
    font-size: 24px;
    color: #fff;
    line-height: 1.5;
    font-family: "思源黑体 CN Heavy";
}

.bannerIntro_box2 {
    width: 633px;
    position: absolute;
    top: 26%;
    left: 40%;
    z-index: 2;
}

.bannerIntrobox2_item {
    width: 33.3%;
    float: left;
    text-align: left;
    color: #fff;

}

.bannerIntro_box2_title1 {
    font-family: Arial;
    font-size: 18px;
    line-height: 1;
}

.bannerIntro_box2_title2 {
    font-family: Arial;
    font-size: 14px;
    line-height: 1;
}

.bannerIntro_box2_title2 {
    font-family: Arial;
    font-size: 14px;
    line-height: 1;
}

.bannerIntro_box2_title5 {
    font-size: 20px;
    padding-top: 60px;
    line-height: 29px;
    font-family: "思源黑体 CN Heavy";
}

.bannerIntro_box2_title3 {
    font-size: 12px;
    padding-top: 12px;
    line-height: 16px;
    font-family: "思源黑体 CN Normal";
}

.bannerIntro_box2_title4 {
    margin-top: 70px;
    color: #fff;
    font-size: 12px;
    font-family: "思源黑体 CN Normal";
}

.bannerlines {
    width: 100%;
    height: 100%;
    position: absolute;
    z-index: 1;
    top: 0;
}

.line {
    height: 100%;
    width: 1px;
    background: #fff5;
    position: absolute;

}

.box1 {
    position: absolute;
    left: 40%;
    height: 100%;
    width: 633px;
}
.box1box{
    width: 33.3%;float: left;height: 20px;
}

.box2{
    width: 100%;
    position: absolute;
    height: 100px;
    top: 70%;
    z-index: 2;
}

.rowline{
    width: 100%;
    height: 1px;
    background: #fff5;
    position: absolute;
}

@media (max-width: 1400px) {
    .bannerIntro_box2_title4 {
        margin-top: 50px;
        color: #fff;
        font-size: 12px;
        font-family: "思源黑体 CN Normal";
    }
}