.sort ul li:nth-child(2) a:after {
    width: 100%;
}

.sort ul li:nth-child(2) a{
    color: var(--yx_Color);
}

.con1 {
    background: url(../img/rybj.jpg) no-repeat;
    background-size: cover;
    padding-bottom: 10vw;
}

.con1_top {
    width: 100%;
    display: flex;
    justify-content: center;
}

.con1_top_t {
    color: rgba(0 0 0 / 30%);
    line-height: 1;
    cursor: pointer;
    margin: 0 1.6vw;
}

.con1_top_t:after {
    content: '';
    width: 0%;
    height: 2px;
    background-color: var(--yx_Color);
    transition: 0.5s;
    display: block;
    margin-top: 15px;
}

.con1_top_t.cur {
    color: var(--yx_Color);
}

.con1_top_t.cur:after {
    width: 100%;
}

.con1_bot {
    width: 100%;
    position: relative;
    height: 530px;
}

.con1_bot .swiper {
    padding: 30px 0;

}

.con1_bot .con1_bot_li {
    width: 100%;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    top: 30px;
    opacity: 0;
    visibility: hidden;

}

.con1_bot .con1_bot_li.cur {
    top: 0;
    opacity: 1;
    visibility: visible;
    transition: 0.6s;
}

#certify .bot1_li {
    display: flex;
    align-items: center;
    flex-wrap: wrap;
    justify-content: space-between;
    padding: 2.5vw;
}

.bot1_lr {
    width: 30%;
}

.bot1_ri.bac_h {
    width: 309px;
    height: 239px;
    background: url(../img/zz-h.png) no-repeat;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: contain;
}
.bot1_ri.bac_s {
    width: 256px;
    height: 330px;
    background: url(../img/zz-s.png) no-repeat;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background-size: contain;
}
#videoPopup {
    position: fixed;
    width: 100%;
    height: 100%;
    top: 0;
    z-index: 9999;
    background-color: rgba(0, 0, 0, 0.4);
    display: none;
}
#videoPopup .video-box {
    width: auto;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    -webkit-transform: translate(-50%, -50%);
    -moz-transform: translate(-50%, -50%);
    -ms-transform: translate(-50%, -50%);
    text-align: center;
    display: flex;
    justify-content: center;
    align-items: center;
}
#videoPopup .video-box .closes {
    position: absolute;
    right: -39px;
    top: -32px;
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background: rgba(0, 0, 0, 0.4);
    cursor: pointer;
    text-align: center;
    transition: all 0.5s;
    -webkit-transition: all 0.5s;
    -moz-transition: all 0.5s;
    -ms-transition: all 0.5s;
    display: flex;
    align-items: center;
    justify-content: center;
}
#videoPopup .video-box .closes span {
    font-size: 16px;
    line-height: 40px;
    color: #fff;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}
#videoPopup .video-box img{
    width: 100%;
    max-width: 70vw;
    height: auto;
    max-height:70vh;
}
#videoPopup .video-box .closes span svg {
    margin: 0;
    width: 20px;
    height: 20px;
}
#videoPopup .video-box .imgshow .bac_s .bot1_ri_img {
    width: 100%;
    margin: 0;
}
#videoPopup .video-box .imgshow .bot1_ri {
    background-size: contain;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
    background: none;
}
#videoPopup .video-box .imgshow .bot1_ri.bac_s {
    width: 500px;
    height: 644px;
}
#videoPopup .video-box .imgshow .bot1_ri.bac_h {
    width: 650px;
    height: 504px;
}
#videoPopup .video-box .imgshow .bot1_ri.bac_s img {
    width: 82%;
}
#videoPopup .video-box .imgshow .bot1_ri.bac_h img {
    width: 94%;
}
.bot1_lr_t {
    color: var(--yx_Color);
    line-height: 1.5;
}

.bot1_lr_b {
    margin-top: 25px;
    line-height: 1.2;
    font-weight: bold;
    color: #333;
}

.bac_h .bot1_ri_img {
    width: calc(100% - 32px);
    margin: 28px auto;
}
.bac_s .bot1_ri_img {
    width: calc(100% - 49px);
    margin: 20px auto;
}
.bot1_ri_img img {
    width: 100%;
}
#videoPopup .video-box .imgshow .bac_h .bot1_ri_img {
    width: 100%;
    margin: 0px auto;
}
#certify .swiper-slide {
    background: url(../img/rybj2.png) no-repeat;
    background-size: cover;
    box-shadow: 0 0 30px rgba(0 29 43 / 10%);
}

.swiper_but {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    z-index: 10;
    height: auto;
    width: 50px;
    cursor: pointer;
    color: #d7d7d8;
    transition: 0.6s all;
}

.swiper_but svg {
    width: 100%;
    height: 100%;
}

.swiper_pre {
    left: -60px;
}

.swiper_next {
    right: -60px;
}

.swiper_but:hover {
    color: var(--yx_Color);
}

@media only screen and (min-width: 769px) {
    #certify .swiper-slide {
        width: 684px;
        height: 429px;
    }
}

@media only screen and (max-width: 1440px) {
    #certify .swiper-slide {
        width: 450px;
        height: 330px;
        display: flex;
        flex-wrap: nowrap;
    }
    .bot1_ri.bac_s {
    width: 200px;
    height: 256px;
}
.bot1_ri.bac_h {
    width: 240px;
    height: 186px;
}
    .bot1_ri {
        width: 240px;
        background-size: 100%;
        height: 202px;
    }

    .con1_bot {
        height: 430px;
    }
}

@media only screen and (max-width: 768px) {
    .con1 {
        padding: 45px 0;
    }
    #videoPopup .video-box .closes {
    right: -36px;
    top: -30px;
    }
#videoPopup .video-box {
    max-width: none;
    max-height: none;
    width: 75%;
}
#videoPopup .video-box img{
    max-width: none;
    max-height: none;
}
.bot1_ri.bac_s {
    width: 240px;
    height: 308px;
}
    #certify .swiper-slide {
        width: 90%;
        height: auto;
        padding: 20px;
        opacity: 0;
        margin: 0 auto;
        box-shadow: 0 0 10px rgba(0 29 43 / 10%);
        flex-wrap: wrap;
    }

    #certify .swiper-slide.swiper-slide-active {
        opacity: 1;
    }

    .bot1_lr {
        width: 100%;
    }

    .bot1_ri {
        margin: 20px auto 0;
    }

    .bot1_lr_b {
        margin-top: 15px;
    }

    .con1_bot {
        height: 400px;
    }

    .con1_bot .swiper {
        padding: 10px 0;
    }

    .swiper_pre {
        left: -15px;
    }

    .swiper_next {
        right: -15px;
    }

    .swiper_but {
        width: 32px;
    }
}