.list_right{
    background-color: #f8f6f3;
}
.about_bg1{
    width: 100%;
    height: 420px;
    background: linear-gradient( rgba(29, 29, 29, 0.8), rgba(29, 29, 29, 0.8) ), url(/lib/images/img_about_bg.jpg) no-repeat center;
    display: flex;
    align-items: center;
    flex-direction: column;
}
.about_bg1 h1{
    font-size: 3.6rem;
    font-family: 'calist-bold';
    margin-top: 80px;
    color: #fff;
}
.about_bg1 span{
    width: 30px;
    height: 3px;
    background: rgba(255, 255, 255,0.5);
    margin: 20px 0;
}
.about_bg1 .breadnav{
    font-size: 1.6rem;
    color: #fff;
}
.about_bg1 .breadnav a{
    font-size: 1.6rem;
    font-size: 1.6rem;
    color: #fff;
}
.about_content{
    width: 1226px;
    margin: 0 auto;
    padding: 120px 133px;
    background-color: #fff;
    margin-top: -206px;
    box-sizing: border-box;
}
.about_content .num{
    display: flex;
    justify-content: space-around;
    flex-wrap: wrap;
}
.about_content .num .change{
    margin-bottom: 20px;
    text-align: center;
}
.about_content .num span{
    font-size: 4.8rem;
    font-family: 'calist-bold';
    color: #e55636;
}
.about_content .num p{
    font-size: 1.6rem;
    color: #666;
}
.about_content .about_text{
    margin-top: 120px;
    display: flex;
    justify-content: space-between;
    margin-bottom: 80px;
}
.about_content .about_text:nth-child(2n-1){
    flex-direction: row-reverse;
}
.about_content .about_text>div{
    width: 465px;
}
.about_content .about_text .left1 h2{
    font-size: 2.4rem;
    font-family: 'calist-bold';
    color: #1d1d1d;
    line-height: 30px;
    margin-bottom: 40px;
}
.about_content .about_text .left1 p{
    font-size: 1.6rem;
    color: #1d1d1d;
    line-height: 24px;
}
.about_content .about_text .left1 p span{
    color: #e55636;
    font-size: 1.6rem;
}
.about_content .about_text .right1{
    position: relative;
}
.about_content .about_text .right1 img{
    position: absolute;
    top: 50%;
    right: 0;
    transform: translateY(-50%);
}
.about_content .about_text:nth-child(2n-1) .right1 img{
    right: auto;
}
.about_bg2{
    width: 100%;
    height: 360px;
    background:linear-gradient( rgba(29, 29, 29, 0.8), rgba(29, 29, 29, 0.8) ),  url(/lib/images/img_about_bg_2.jpg);
    background-attachment: fixed;
    background-position: right;
    background-repeat: no-repeat;
}
.about_content1{
    width: 1226px;
    box-sizing: border-box;
    margin: 0 auto;
    display: flex;
    justify-content: space-around;
    align-items: center;
    height: 100%;
}
.about_content1 h2{
    width: 500px;
    font-size: 3.2rem;
    font-family: 'calist-bold';
    color: #fff;
    line-height: 4.8rem;
}
.about_content1 .container{
    position: relative;
    width: 100px;
    height: 100px;
    cursor: pointer;
}
.about_content1 .container::before{
    position: absolute;
    top: 0;
    left: 0;
    width: 100px;
    height: 100px;
    content: '';
    z-index: 9;
    background-image: url(/lib/images/icon_player.svg);
}
.about_content1 .container .ripple{
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
    width: 100px;
    height: 100px;
    background-color: #ffffff;
    z-index: 1;
    border-radius: 50%;
    animation: ripple 3s linear infinite;
}
.about_content1 .container .r2{
    animation-delay: 1.5s;
}
@keyframes ripple{
    from{
        opacity: 1;
    }
    to{
        opacity: 0;
        width: 220px;
        height: 220px;
    }
}
.about_content2{
    width: 1226px;
    margin: 0 auto;
    padding: 60px 133px 120px;
    background-color: #fff;
    box-sizing: border-box;
}
.about_content2 .content2_text{
    display: flex;
    justify-content: space-between;
}
.about_content2 .content2_text>div{
    width: 465px;
}
.about_content2 .content2_text>div p{
    font-size: 1.6rem;
    line-height: 2.4rem;
    color: #1d1d1d;
}
.about_content2 .certificate{
    margin-top: 60px;
}
.about_content2 .certificate h2{
    font-size: 3.6rem;
    font-family: 'calist-bold';
    text-align: center;
    margin-bottom: 40px;
}
.about_content2 .certificate .certificate_in{
    display: flex;
    justify-content: space-around;
}
.about_content2 .certificate .certificate_in .swiper-slide div{
    /* width: 300px; */
    width: auto;
    height: 400px;
    border: 4px solid #000;
    display: flex;
    justify-content: center;
    align-items: center;
}
/* .about_content2 .certificate .certificate_in .swiper-slide div img{
    width: 100%;
} */

/* 视频弹框 */

.c-video.show {
    display: -webkit-box;
    display: -ms-flexbox;
    display: flex;
}
.c-video {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 999;
    width: 100%;
    height: 100%;
    background-color: rgba(0,0,0,0.7);
    display: none;
    -webkit-box-pack: center;
    -ms-flex-pack: center;
    justify-content: center;
    -webkit-box-align: center;
    -ms-flex-align: center;
    align-items: center;
}
.c-video__container {
    width: 800px;
    position: relative;
    border: 1px solid #ccc;
}
.video-wrap {
    width: 100%;
    height: 0;
    padding-bottom: 52.25%;
    position: relative;
    overflow: hidden;
}
.video-wrap iframe, .video-wrap video {
    width: 100% !important;
    height: 100%;
    position: absolute;
    left: 0;
    top: 0;
}
.c-video__close {
    position: absolute;
    right: 6px;
    top: -30px;
    cursor: pointer;
}
.c-video__close img,video,iframe{
    max-width: 100%;
    height: auto;
    display: block;
}

.about_content2 .factory h2{
    font-size: 3.6rem;
    font-family: 'calist-bold';
    text-align: center;
    margin-top: 60px;
    margin-bottom: 30px;
}
.about_content2 .factory .factory_in{
    display: flex;
    justify-content: space-around;
    align-items: center;
    padding: 10px;
    border: 1px solid #d5d5d5;
}
.about_content2 .factory .factory_in .swiper{
    position: relative;
    display: flex;
    cursor: pointer;
}
.about_content2 .factory .factory_in .swiper p{
    position: absolute;
    width: 100%;
    background-color:rgba(29, 29, 29,0.7);
    line-height: 48px;
    bottom: 0;
    left: 0;
    font-size: 1.4rem;
    padding: 0 20px;
    color: #fff;
    box-sizing: border-box;
    overflow:hidden;
    white-space: nowrap;
    text-overflow: ellipsis;
    -o-text-overflow:ellipsis;
}
:root {
    --swiper-theme-color: #e55636;
}
.swiper-button-next, .swiper-container-rtl .swiper-button-prev {
    outline: none;
}
.swiper-container .hide {
    opacity: 0;
}
.about_content2 .email{
    width: 100%;
    height: 160px;
    background: #e55636;
    margin-top: 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.about_content2 .email:hover{
    background: #d94f30;
}
.about_content2 .email .email_in{
    display: flex;
    align-items: center;
    margin-bottom: 20px;
}
.about_content2 .email .email_in p{
    font-size: 2.4rem;
    color: #fff;
    margin-right: 10px;
}
.about_content2 .email>p{
    font-size: 1.6rem;
    color: #fff;
    opacity: 0.5;
}

/* Ipad pro 开始*/
@media (max-width: 1279px){
    .about_content{
        width: 100%;
        padding: 60px;
        margin-top: 0;
    }
    .about_bg1 h1{
        margin-top: 200px;
    }
    .about_content1{
        width: 100%;
        padding: 60px;
    }
    .about_content2{
        width: 100%;
        padding: 60px 30px;
    }
    .about_content .about_text{
        margin: 60px 0;
    }
    .about_content2 .certificate{
        margin-top: 30px;
    }
    .about_content2 .factory h2{
        margin: 30px 0;
    }
}
@media (max-width:1023px){
    .about_content{
        padding: 20px;
    }
    .about_content .about_text .right1 img{
        width: 100%;
    }
    .about_content .about_text:nth-child(2n-1) .right1{
        margin-right: 30px;
    }
    .about_content .about_text:nth-child(2n) .right1{
        margin-left: 30px;
    }
    .about_content2 .factory .factory_in .swiper img{
        width: 100%;
    }
    .about_bg1{
        height: 365px;
    }
    .about_bg1 h1 {
        margin-top: 180px;
    }
    .about_content1 h2{
        width: 420px;
    }
}
@media (max-width:767px){
    .about_bg1{
        height: 300px;
    }
    .about_bg1 h1{
        margin-top: 130px;
    }
    .about_content .num .change{
        width: 50%;
    }
    .about_content .num span{
        font-size: 3.8rem;
    }
    .about_content .about_text{
        flex-direction: column;
    }
    .about_content .about_text>div{
        width: 100%;
    }
    .about_content .about_text .left1 h2{
        font-size: 2.6rem;
    }
    .about_content .about_text:nth-child(2n) .right1{
        margin-left: 0;
    }
    .about_content .about_text .right1 img{
        position: initial;
        transform: initial;
    }
    .about_content .about_text:nth-child(2n-1) {
        flex-direction: column;
    }
    .about_content1{
        padding: 20px;
        flex-direction: column;
    }
    .about_content1 h2{
        width: 100%;
        font-size: 28px;
        line-height: 38px;
    }
    .about_content2 .content2_text{
        flex-direction: column;
    }
    .about_content2 .content2_text>div{
        width: 100%;
        margin-top: 20px;
    }
    .about_content .about_text{
        margin: 30px 0;
    }
    .about_bg2{
        height: 420px;
    }
    .about_content2{
        padding: 30px 15px;
    }
    .five_bottom_right h2{
        font-size: 28px;
    }
    .five_bottom_right .input_b .text_b{
        padding-left: 15px;
    }
}