.index_pro_cat {
    margin: 5% 0;
}
.index_pro_cat .layout {
    justify-content: space-between;
    flex-wrap: wrap;
}
.index_pro_cat .layout::after {
    display: none;
}
.index_pro_cat_div {
    width: calc((100% - 55px) / 2);
    margin-bottom: 65px;
    justify-content: space-between;
}
.index_pro_cat_img {
    width: 37%;
}
.index_pro_cat_img .imgBox {
    padding-bottom: 62.15%;
}
.index_pro_cat_right {
    width: 57.5%;
}
.index_pro_cat_t {
    display: block;
    font-family: Syne-Medium;
    font-weight: 500;
    font-size: 30px;
    color: #333333;
    line-height: 1.5em;
    height: 1.5em;
    overflow: hidden;
}
.index_pro_cat_d {
    font-family: ArialMT;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 1.5em;
    height: 6em;
    overflow: hidden;
    margin-top: 10px;
}
.index_pro_cat .layout .index_pro_cat_div:nth-last-of-type(-n+2) {
    margin-bottom: 0;
}
.index_pro {
    background: #F8F8F8;
    padding: 5% 0;
}
.index_pro_title {
    justify-content: space-between;
}
.index_pro_title .big_title a {
    text-align: left;
}
.index_pro_box {
    margin-top: 55px;
}
.index_pro_div {
    width: calc((100% - 40px) / 3);
    margin-right: 20px;
}
.index_pro_box .index_pro_div:last-child {
    margin-right: 0;
}
.index_pro_div .imgBox {
    padding-bottom: 100%;
}
.index_pro_tit {
    font-family: Syne-Medium;
    font-weight: 500;
    font-size: 22px;
    color: #333333;
    display: block;
    line-height: 1.5em;
    height: 1.5em;
    overflow: hidden;
    text-align: center;
    margin: 25px 0 15px;
}
.index_pro_desc {
    font-family: ArialMT;
    font-weight: 400;
    font-size: 16px;
    color: #999999;
    line-height: 1.5em;
    text-align: center;
    height: 3em;
    overflow: hidden;
}
.index_app {
    background: #F8F8F8;
    padding-bottom: 5%;
}
.index_app_title {
    margin-top: 50px;
}
.index_app_title .t {
    margin: 0 30px;
    font-family: Syne-SemiBold;
    font-weight: 600;
    font-size: 30px;
    color: #F45B0B;
}
.index_app_line {
    flex: 1;
    height: 1px;
    background: #F45B0B;
}
.index_app_box {
    flex-wrap: wrap;
}
.index_app_div {
    width: calc((100% - 200px) / 5);
    margin-right: 50px;
    margin-top: 40px;
    background: #FFFFFF;
    border: 1px solid #999999;
    padding: 20px 10px;
}
.index_app_box .index_app_div:nth-child(5n) {
    margin-right: 0;
}
.index_app_img {
    height: 65px;
    justify-content: center;
}
.index_app_img img {
    max-height: 100%;
}
.index_app_img img:hover {
    transform: scale(1.1);
}
.index_app_tit {
    font-family: Syne-SemiBold;
    font-weight: 600;
    font-size: 18px;
    line-height: 1.5em;
    height: 1.5em;
    overflow: hidden;
    color: #000000;
    text-align: center;
    margin-top: 25px;
}
.index_cer {
    background: #171717;
    padding: 5% 0;
}
.index_cer .big_title a {
    color: #FFFFFF;
}
.index_cer .big_title a:hover {
    color: #F45B0B;
}
.index_cer_swi_box {
    margin-top: 70px;
}
.index_cer_swi .swiper-slide {
    border: 8px solid rgba(255, 255, 255, .89);
    overflow: hidden;
}
.index_cer_swi_box img:hover {
    transform: scale(1.1);
}
.index_cer_pag {
    margin-top: 70px;
    text-align: center;
}
.index_cer_pag .swiper-pagination-bullet {
    width: 77px;
    height: 2px;
    background: rgba(255, 255, 255, .29);
    opacity: 1;
    border-radius: 0;
}
.index_cer_pag .swiper-pagination-bullet-active {
    background: #F45B0B;
    border-radius: 0;
}
.index_about {
    margin: 5% 0;
}
.index_about .layout {
    justify-content: space-between;
}
.index_about .layout::after {
    display: none;
}
.index_about_left {
    width: 43.5%;
}
.index_about_left .imgBox {
    padding-bottom: 120%;
}
.index_about_right {
    width: 52%;
}
.index_about_title a {
    font-family: Syne-SemiBold;
    font-weight: 600;
    font-size: 48px;
    color: #000000;
    line-height: 1.1;
    text-transform: uppercase;
}
.index_about_title a:hover {
    color: #F45B0B;
}
.index_about_desc {
    font-family: ArialMT;
    font-weight: 400;
    font-size: 16px;
    margin: 50px 0 60px;
    color: #666666;
}
.index_about_num_box {
    justify-content: space-between;
}
.index_about_num_box .index_about_num_line:last-child {
    display: none;
}
.index_about_num_line {
    width: 1px;
    height: 69px;
    background: #171717;
    opacity: 0.19;
}
.index_about_num_div {
    text-align: center;
}
.index_about_num_t {
    font-family: Arial-BoldMT;
    font-weight: bold;
    font-size: 50px;
    color: #171717;
}
.index_about_num_d {
    font-family: ArialMT;
    font-weight: 400;
    font-size: 16px;
    color: #171717;
    opacity: 0.69;
}
.index_about_right .rec_btn {
    margin-top: 60px;
}
.index_video lite-youtube {
    width: 100% !important;
    height: 609px !important;
    display: block;
}
lite-youtube>.lty-playbtn {
    width: 178px !important;
    height: 178px !important;
    filter: none !important;
    background: url('img/demo/video_play.png') no-repeat !important;
    background-size: 100% 100%;
}
.index_news {
    margin: 5% 0;
}
@media only screen and (max-width: 950px) {
    .index_pro_cat_div {
        width: 100%;
        margin-bottom: 35px;
        flex-wrap: wrap;
    }
    .index_pro_cat_img {
        width: 100%;
    }
    .index_pro_cat_right {
        width: 100%;
        margin-top: 20px;
    }
    .index_pro_title {
        flex-wrap: wrap;
    }
    .index_pro_title .big_title {
        margin-bottom: 20px;
    }
    .index_pro_box {
        flex-wrap: wrap;
        margin-top: 0;
    }
    .index_pro_div {
        width: 100%;
        margin-right: 0;
        margin-top: 30px;
    }
    .index_app .big_title a {
        font-size: 32px;
    }
    .index_app_title {
        margin-top: 20px;
    }
    .index_app_div {
        margin-top: 20px;
        width: calc((100% - 20px) / 2);
        margin-right: 20px !important;
    }
    .index_app_box .index_app_div:nth-child(2n) {
        margin-right: 0 !important;
    }
    .index_app_tit {
        font-size: 16px;
    }
    .index_cer_swi_box {
        margin-top: 30px;
    }
    .index_cer_swi .swiper-slide {
        border: 0;
    }
    .index_cer_pag .swiper-pagination-bullet {
        width: 50px;
    }
    .index_cer_swi .swiper-slide {
        text-align: center;
    }
    .index_cer_pag {
        margin-top: 50px;
    }
    .index_about .layout {
        flex-wrap: wrap;
    }
    .index_about_left {
        width: 100%;
        margin-bottom: 30px;
    }
    .index_about_title a {
        font-size: 36px;
    }
    .index_about_desc {
        margin: 30px 0;
    }
    .index_about_right {
        width: 100%;
    }
    .index_about_num_line {
        display: none;
    }
    .index_about_num_box {
        flex-wrap: wrap;
        align-items: flex-start;
    }
    .index_about_num_div {
        width: 49%;
    }
    .index_about_right .rec_btn {
        margin-top: 40px;
    }
    .index_video lite-youtube {
        height: 400px !important;
    }
}