/*pc端样式*/
.banner_warpper {
    width: 100%;
    height: auto !important;
    z-index: 4;
    position: absolute;
    top: 0;
    left: 0;
}
.warpper > div {
    margin: 1rem 0;
    /*margin: 0;*/
}

.banner_box {
    width: 100%;
    max-height: 680px;
    overflow: hidden;
}

.ab_box {
    /*margin: 1rem 0;*/
    margin-top: 0.8rem !important;
    margin-bottom: 0!important;
    position: relative;
    width: 100%;
    padding-top: 0.7rem;
   opacity: 0;
   top: 60px;
}

.ab_box .ab_box_left {
    position: relative;
    z-index: 1;
    width: 85.4%;
    padding: 1.3rem 30% 1rem 0.55rem;
    margin: 0 auto;
    /*margin-top: 0.7rem;*/
    border: 1px solid #ccc;
}

.ab_box_left h3 {
    font-size: 60px;
    color: #3f3f3f;
    margin-bottom: 0.5rem;
}

.ab_box_left h4 {
    font-size: 30px;
    color: #333;
    margin-bottom: 0.4rem;
}

.ab_box_left .ab_txt {
    font-size: 14px;
    color: #666;
    padding-right: 10%;
    line-height: 2;
    margin-bottom: 0.7rem;
}

.ab_box .ab_box_right {
    width: 30.4%;
    position: absolute;
    right: 0.95rem;
    top: 0;
}

.ab_box .ab_box_right img {
    width: 100%;
}

.history_box {
    width: 100%;
    position: relative;
    margin-bottom: 80px!important;
    opacity: 0;
    top: 60px;
}

.history_box .bg_box {
    width: 100%;
}

.history_box .bg_box img {
    width: 100%;
}

.history_box .h_inner {
    position: absolute;
    /*left: 0;*/

    top: 0;
    right: .9rem;
    bottom: 0;
    margin: auto;
    width: 84%;
    height: 5.55rem;
    color: #fff;
    /*padding: 1.5rem 0.4rem 0.76rem 0;*/
    border: 1px solid #ccc;
    border-left: 0;
}

.h_inner .left_title {
    position: absolute;
    left: -8%;
    top: 1.2rem;
    bottom: 0;
    margin: auto;
}

.h_inner .left_title h3 {
    font-size:60px;
}

.h_inner .left_title h4 {
    font-size: 0.3rem;
    margin-bottom: 0.36rem;
}

.h_inner .left_title p.ab_txt {
    font-size: 18px;
    line-height: 2;
}

.h_inner .right_lb {
    position: absolute;
    width: 61%;
    right: 0.4rem;
    top: 1.5rem;
    bottom: 0;
    margin: auto;
}

.h_inner .right_lb img {
    width: 100%;
}

.h_inner .right_lb .lb_txt h6 {
    font-size: 30px;
    margin: 0.3rem 0;
}

.h_inner .right_lb .lb_txt .lb_p {
    font-size: 14px;
    line-height: 1.5;
}

.line_top,
.line_bot {
    border-right: 1px solid #ccc;
    height: 70px;
    position: absolute;
    left: 0;
}

.line_top {
    top: 0;
}

.line_bot {
    bottom: 0;
}

.brand_box {
    width: 91%;
    color: #fff;
    display: flex;
    justify-content: space-between;
    margin: 0 auto !important;
    position: relative;
    opacity: 0;
    top: 60px;
}

.brand_box > div {
    width: 33%;
    position: relative;
}

.brand_box > div > img {
    width: 100%;
}

.brand_box .middle > div {
    position: relative;
}

.brand_box .middle > div img {
    width: 100%;
}

.brand_box .middle > div:first-child {
    margin-bottom: 0.12rem;
}

.br_l_txt,
.br_r_txt {
    position: absolute;
}

.br_l_txt {
    width: 100%;
    bottom: 1.7rem;
    text-align: center;
}

.br_l_txt h5 {
    font-size: 60px;
    color: #fff;
    margin-bottom: 0.46rem;
}

.br_l_txt h6 {
    font-size: 30px;
}

.br_r_txt {
    width: 100%;
    bottom: 0;
    background-color: rgba(0, 0, 0, .3);
}

.br_r_txt .b_tit {
    width: 100%;
    height: 76px;
    line-height: 76px;
    font-size: 24px;
    padding-left: 0.3rem;

}

.br_r_txt .b_con {
    font-size: 14px;
    line-height: 1.8;
    padding: 0 30px;
    padding-bottom: 20px;
}
.lb_p p{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}

@media (max-width: 1600px){
    .h_inner .right_lb {
        top: 1.1rem;
    }
}
@media (max-width: 768px){
.banner_warpper {
    width: 100%;
    height: auto !important;
    z-index: 4;
    position: absolute;
    top: 0;
    left: 0;
}
.warpper > div {
    margin: 25px 0;
    /*margin: 0;*/
}

.banner_box {
    width: 100%;
    max-height: 680px;
    overflow: hidden;
}

.ab_box {
    margin-top: 40px !important;
    position: relative;
    width: 100%;
    opacity: 0;
    top: 60px;
    padding: 0 20px
}

.ab_box .ab_box_left {
    position: relative;
    z-index: 1;
    width: 100%;
    padding: 20px 20px;
    margin: 0 auto;
    /*margin-top: 0.7rem;*/
    border: 1px solid #ccc;
}

.ab_box_left h3 {
    font-size: 24px;
    color: #3f3f3f;
    margin-bottom: 0.5rem;
}

.ab_box_left h4 {
    font-size: 20px;
    color: #333;
    margin-bottom: 0.4rem;
}

.ab_box_left .ab_txt {
    padding-right: 0;
    font-size: 14px;
    color: #666;
    line-height: 26px;
    margin-bottom: 0.7rem;
    text-align: justify;
    text-justify: inter-ideograph;
}

.ab_box .ab_box_right {
    display: none;
    width: 30.4%;
    position: absolute;
    right: 0.95rem;
    top: 0;
}

.ab_box .ab_box_right img {
    width: 100%;
}

.history_box {
    width: 100%;
    position: relative;
    margin-bottom: 30px!important;
    opacity: 0;
    top: 60px;
}

.history_box .bg_box {
    width: 100%;
  
}

.history_box .bg_box img {
    width: 100%;
    height: 340px;
}

.history_box .h_inner {
    position: absolute;
    top: 0;
    bottom: 0;
    margin: 20px 0%;
    width: 92%;
    color: #fff;
    border: 1px solid #ccc;
    border-left: 0;
    height: 300px;
}

.h_inner .left_title {
    position: absolute;
    top: 25px;
    left: 10%;
    bottom: 10px;
}

.h_inner .left_title h3 {
    font-size: 24px;
}

.h_inner .left_title h4 {
    font-size: 20px;
    margin-bottom: 10px;
    margin-top: 5px;
}

.h_inner .left_title p.ab_txt {
    font-size: 16px;
    line-height: 24px;
}

.h_inner .right_lb {
    left: -8%;
    position: absolute;
    width: 70%;
    top: 8rem;
    bottom: 0;
    margin: auto;
}

.h_inner .right_lb img {
    width: 100%;
}

.h_inner .right_lb .lb_txt h6 {
    font-size: 24px;
    margin: 0.3rem 0;
}

.h_inner .right_lb .lb_txt .lb_p {
    font-size: 16px;
    line-height: 1.5;
}

.line_top,
.line_bot {
    border-right: 1px solid #ccc;
    height: 70px;
    position: absolute;
    left: 0;
}

.line_top {
    top: 0;
}

.line_bot {
    bottom: 0;
}

.brand_box {
    width: 91%;
    color: #fff;
    display: flex;
    justify-content: space-between;
    margin: 0 auto !important;
    position: relative;
    opacity: 0;
    top: 60px;
}

.brand_box > div {
    width: 100%;
    position: relative;
}

.brand_box > div > img {
    width: 100%;
}

.brand_box .middle > div {
    position: relative;
}

.brand_box .middle > div img {
    width: 100%;
}

.brand_box .middle > div:first-child {
    margin-bottom: 0.12rem;
}

.br_l_txt,
.br_r_txt {
    position: absolute;
}

.br_l_txt {
    width: 100%;
    bottom: 1.7rem;
    text-align: center;
}

.br_l_txt h5 {
    font-size: 20px;
    color: #fff;
    margin-bottom: 0.46rem;
}

.br_l_txt h6 {
    font-size: 20px;
}

.br_r_txt {
    width: 100%;
    bottom: 0;
    background-color: rgba(0, 0, 0, .3);
}

.br_r_txt .b_tit {
    width: 100%;
    height: 50px;
    line-height: 50px;
    font-size: 15px;
    padding-left: 0.3rem;
    color: #FFF;

}

.br_r_txt .b_con {
    display: none;
    font-size: 14px;
    line-height: 1.8;
    padding: 0 30px;
    padding-bottom: 20px;
}
.lb_p p{
    display: -webkit-box;
    -webkit-box-orient: vertical;
    -webkit-line-clamp: 3;
    overflow: hidden;
}
.banner_box{
    margin-top: 60px;
}

}