.br-pc{
    display: block;
}
.br-phone{
    display: none;
}
.fl{
    float: left;
}
.fr{
    float: right;
}
/* banner1 start */
.banner-wrap{
    height: 835px;
    width: 100%;
    background: url(/best/img/diaphragm/banner1.png) no-repeat;
    background-size: auto 100%;
    background-position: center;
}
.banner-box{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
    box-sizing: border-box;
    padding-top: 71px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    position: relative;
}
.banner-title{
    padding: 120px 0 38px;
}
.banner-title .desc-title{
    font-size: 38px;
    line-height: 50px;
    text-align: center;
}
.banner-con{
    font-size: 16px;
    line-height: 36px;
    color: #fff;
    text-align: center;
}
.banner-btns{
    display: flex;
    align-items: center;
    justify-content: right;
    padding-bottom: 42px;
}
.banner-btn{
    width: 175px;
    height: 51px;
    background-color: rgba(197, 151, 55, .6);
    transform: skewX(-30deg);
    display: flex;
    align-items: center;
    justify-content: center;
    margin-right: 8px;
    cursor: pointer;
    user-select: none;
}
.banner-btn.banner-btn-active{
    background-color: rgba(197, 151, 55, 1);
}
.banner-btn.banner-btn-active .banner-btn-con{
    display: none;
}
.banner-btn.banner-btn-active .banner-btn-con-active{
    display: block;
}
.banner-btn-img{
    transform: skewX(30deg);
}
.banner-btn-con,.banner-btn-con-active{
    font-size: 16px;
    color: #fff;
    transform: skewX(30deg);
}
.banner-btn-con-active{
    display: none;
}
.banner-icon{
    display: flex;
    align-items: center;
    margin-right: 8px;
}
.banner-icon-item{
    width: 5px;
    height: 12px;
    background-color: rgba(197, 151, 55, .6);
    transform: skewX(-30deg);
}
.banner-icon-item:nth-child(2){
    margin: 0 2px;
    background-color: rgba(197, 151, 55, 1);
}
.banner-btn:hover{
    background-color: rgba(197, 151, 55, 1);
}
.banner-btn:hover .banner-btn-con{
    display: none;
}
.banner-btn:hover .banner-btn-con-active{
    display: block;
}
/* banner1 end */

/* feature start */
.feature-wrap{
    width: 100%;
    height: 574px;
    overflow: hidden;
    background-color: #000;
    /* background: url(/best/img/diaphragm/feature4.png) no-repeat;
    background-position: right; */
}
.feature-video{
    height: 10.35vw;
    transform: translateY(-10px);
}
.feature-item{
    width: 15.625%;
    height: 100%;
    float: left;
    overflow: hidden;
    position: relative;
    cursor: pointer;
    user-select: none;
    transition: all .4s;
}
.feature-item-mask{
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    background: rgba(0, 0, 0, .6);
    color: #fff;
    font-size: 26px;
}
.feature-img-box{
    height: 88px;
    margin-bottom: 34px;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.feature-item:nth-child(1){
    background: url(/best/img/diaphragm/feature1.png) no-repeat;
    background-size: auto 100%;
    background-position: 30%;
}
.feature-item:nth-child(2){
    background: url(/best/img/diaphragm/feature2.png) no-repeat;
    background-size: auto 100%;
    background-position: 45%;
}
.feature-item:nth-child(3){
    background: url(/best/img/diaphragm/feature3.png) no-repeat;
    background-size: auto 100%;
    background-position: 30%;
}
.feature-item:nth-child(4){
    background: url(/best/img/diaphragm/feature4.png) no-repeat;
    background-size: auto 100%;
    background-position: 50%;
}
.feature-item-con{
    width: 1020px;
    padding: 0 60px;
    box-sizing: border-box;
    display: none;
}
.feature-item:nth-child(1) .feature-item-con{
    width: 51.51vw;
}
.feature-item-title{
    display: flex;
    align-items: center;
    font-size: 32px;
    color: #fff;
    margin: 40px 0 28px;
    font-weight: bold;
}
.feature-item-title img{
    margin-right: 15px;
    height: 60px;
}
.feature-item-detail{
    font-size: 16px;
    line-height: 36px;
    color: #fff;
    margin-bottom: 50px;
}
.feature-con-imgs{
    display: flex;
    align-items: center;
}
.feature-con-imgs div{
    display: flex;
    flex-direction: column;
    color: #fff;
    font-size: 12px;
    align-items: center;
    margin-right: 70px;
}
.feature-con-imgs div img{
    margin-bottom: 16px;
}
.feature1-imgs{
    width: 20.25vw;
    margin-right: 4.34vw;
}
.feature1-imgs div{
    display: flex;
    justify-content: space-between;
    margin-bottom: 10px;
}
.feature1-imgs div img{
    height: 6.16vw;
}
.feature1-imgs>img{
    width: 20.25vw;
    margin-bottom: 22px;
}
.feature-wrap .feature-item.feature-item-active{
    width: 53.125%;
}
.feature-wrap .feature-item.feature-item-active .feature-item-mask{
    display: none;
}
.feature-wrap .feature-item.feature-item-active .feature-item-con{
    display: block;
}
/* feature end */

/* 播放器 start */
.play-box{
    position: fixed;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, .4);
    z-index: 10000;
    display: none;
}
.play-wrap{
    width: 60%;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%,-50%);
}
.play{
    width: 100%;
}
.close{
    width: 40px;
    height: 40px;
    border-radius: 50%;
    background-color: rgba(255, 255, 255, .8);
    text-align: center;
    line-height: 40px;
    color: rgba(0, 0, 0, .8);
    font-size: 22px;
    position: absolute;
    top: -20px;
    right: -20px;
    user-select: none;
    cursor: pointer;
}
/* 播放器 end */

/* tech start */
.tech-wrap1{
    background: url(/best/img/diaphragm/tech1.png) no-repeat;
}
.tech-wrap2{
    background: url(/best/img/diaphragm/tech2.png) no-repeat;
}
.tech-wrap{
    height: 806px;
    background-size: cover;
    background-position: center;
}
.tech-box{
    width: 1200px;
    margin: 0 auto;
}
.tech-btns{
    display: flex;
    align-items: center;
    justify-content: center;
    box-sizing: content-box;
    padding-top: 50px;
    height: 134px;
    position: relative;
}
.tech-btn{
    height: 73px;
    font-size: 32px;
    line-height: 73px;
    text-align: center;
    color: #fff;
    text-align: center;
    cursor: pointer;
    user-select: none;
    background-size: cover;
}
.tech-btn:nth-of-type(1){
    width: 256px;
    margin-right: 100px;
    background: url(/best/img/diaphragm/tab1.png) no-repeat;
    text-indent: -32px;
}

.tech-btn:nth-of-type(2){
    width: 324px;
    background: url(/best/img/diaphragm/tab2.png) no-repeat;
    text-indent: 32px;
}
.tech-btn-active{
    font-size: 40px;
    font-weight: bold;
}
.tech-btn:nth-of-type(1).tech-btn-active{
    background: url(/best/img/diaphragm/tab1-active.png) no-repeat;
}
.tech-btn:nth-of-type(2).tech-btn-active{
    background: url(/best/img/diaphragm/tab2-active.png) no-repeat;
    text-indent: 0;
}
.tech-arrow{
    position: absolute;
    top: 50%;
    left: 50%;
}
.tech-arrow:nth-of-type(1){
    transform: translate(-120%, -35%);
    animation: flash 3s linear infinite;
}
.tech-arrow:nth-of-type(2){
    transform: translate(-65%, -35%);
    animation: flash 3s linear infinite;
    animation-delay: 1.5s;
}
@keyframes flash{
    0%{
        opacity: 1;
    }
    50%{
        opacity: .2;
    }
    100%{
        opacity: 1;
    }
}
.tech-1{
    display: block;
}
.tech-2{
    display: none;
}
.tech-desc{
    text-align: center;
    color: #fff;
    font-size: 16px;
    line-height: 36px;
    margin: 16px 0 74px;
}
.tech-desc img{
    height: 16px;
}
.tech-detail-box{
    display: flex;
    justify-content: space-between;
}
.tech-detail-title{
    text-align: center;
    font-size: 24px;
    line-height: 32px;
    color: #C69737;
    margin-bottom: 17px;
    font-weight: bold;
}
.tech-detail-con{
    font-size: 16px;
    line-height: 32px;
    color: #fff;
    text-align: center;
}
.tech-detail-con span{
    height: 16px;
}
.tech-detail-explain{
    font-size: 14px;
    color: #C69737;
    margin-top: 14px;
    text-align: center;
}
.tech-detail-explain img{
    height: 16px;
}

.tech-detail-explain2{
    font-size: 14px;
    color: #C69737;
    /* margin-top: 14px; */
    text-align: left;
}
.tech-a-box{
    height: 54px;
    border: 1px solid #6d6d6c;
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin: 50px auto 0;
}
.tech-1 .tech-a-box{
    width: 196px;
}
.tech-2 .tech-a-box{
    width: 295px;
}
.tech-a-box a{
    font-size: 16px;
    color: #fff;
    width: 98px;
    text-align: center;
    position: relative;
}
.tech-a-box a:hover{
    color: #C69737;
}
.tech-a-box .a-active{
    color: #C69737;
}
.tech-a-box a:nth-child(2)::before{
    content: '';
    position: absolute;
    width: 1px;
    height: 32px;
    background-color: #6d6d6c;
    transform: skewX(-20deg) translate(-3px,-50%);
    top: 50%;
    left: 0;
}
.tech-a-box a:nth-child(2)::after{
    content: '';
    position: absolute;
    width: 1px;
    height: 32px;
    background-color: #6d6d6c;
    transform: skewX(-20deg) translate(-6px,-50%);
    top: 50%;
    right: 0;
}
.tech-1 .tech-a-box a:nth-child(2)::before{
    transform: skewX(-20deg) translate(-6px,-50%);
}
.tech-1 .tech-a-box a:nth-child(2)::after{
    display: none;
}
/* tech end */

/* product start */
.pro-wrap-kc{
    background: url(/best/img/diaphragm/pro-bg1.png) center no-repeat;
}
.pro-wrap-vp{
    background: url(/best/img/diaphragm/pro-bg2.png) center no-repeat;
}
.pro-wrap-vk,.pro-wrap-x,.pro-wrap-k{
    background: url(/best/img/diaphragm/pro-bg3.png) center no-repeat;
}
.pro-wrap{
    height: 940px;
    background-size: cover;
    overflow: hidden;
}
.pro-box{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.pro-btns{
    display: flex;
    justify-content: space-between;
    padding-top: 62px;
}
.pro-btn{
    width: 228px;
    height: 156px;
    background: linear-gradient(to bottom, transparent, rgba(255, 255, 255, .1), rgba(255, 255, 255, .2));
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    user-select: none;
}
.pro-btn-title{
    font-size: 26px;
    color: #fff;
    font-weight: bold;
}
.pro-btn-txt{
    font-size: 16px;
    color: rgba(255, 255, 255, .5);
    margin-top: 16px;
}
.pro-btn.pro-btn-active{
    background: #BC912F;
}
.pro-btn-active .pro-btn-title,.pro-btn-active .pro-btn-txt{
    color: #000;
}
.pro-con{
    padding-top: 65px;
    justify-content: space-between;
    display: none;
}
.pro-con-active{
    display: flex;
}
.left-img2{
    margin-top: 16px;
    font-size: 24px;
    line-height: 36px;
    color: #BC912F;
    font-weight: bold;
}
.left-img2 img{
    height: 22px;
}
.pro-con[data-level="x"] .left-img2,.pro-con[data-level="k"] .left-img2{
    margin-top: 33px;
}
.left-txt{
    padding-top: 25px;
}
.pro-con[data-level="x"] .left-txt,.pro-con[data-level="k"] .left-txt{
    padding-top: 33px;
}
.left-title{
    font-size: 22px;
    line-height: 32px;
    color: #1CD5E5;
}
.pro-con[data-level="vp"] .left-title,.pro-con[data-level="vk"] .left-title{
    color: #54aef3;
}
.pro-con[data-level="x"] .pro-con-left,.pro-con[data-level="k"] .pro-con-left{
    padding-top: 40px;
}
.left-desc{
    font-size: 16px;
    line-height: 32px;
    color: #fff;
}
.left-desc img{
    height: 16px;
}
.x{
    font-size: 20px;
    line-height: 42px;
    color: #fff;
    padding-left: 33px;
}
.x-arrow{
    background: url(/best/img/diaphragm/x_jt.png) no-repeat;
    background-position: left center;
}

.left-btn{
    width: 139px;
    height: 54px;
    background-color: #C49534;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
    color: #000;
    cursor: pointer;
    user-select: none;
    margin-top: 36px;
}
.left-btn img{
    margin-left: 7px;
}
.right-btns-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin: 37px 0 67px;
}
.right-btns{
    display: flex;
    align-items: center;
}
.right-btn{
    width: 138px;
    height: 54px;
    border: 1px solid #666;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: #fff;
    margin-right: 20px;
    cursor: pointer;
    user-select: none;
}
.right-btn.right-btn-active{
    border: 1px solid #C79830;
    color: #C79830;
}
.right-btns-zb{
    display: flex;
    flex-direction: column;
    align-items: center;
}
.right-btns-zb-top{
    width: 50px;
    height: 56px;
    background: url(/best/img/diaphragm/dun.png) no-repeat;
    background-size: cover;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 22px;
    color: #C79830;
    margin-bottom: 14px;
}
.right-btns-zb-btm{
    font-size: 18px;
    line-height: 18px;
    background: linear-gradient(0deg, #C89B58 0%, #FAF1BD 33.544921875%, #CEA45E 65.3564453125%, #E0D192 100%);
    background-clip: text;
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
}
.right-circles{
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-bottom: 50px;
}
.right-circle-box,.right-circle2-box{
    height: 62px;
    display: flex;
    align-items: center;
    color: #BC912F;
}
.right-circle-box div:nth-child(1),.right-circle2-box div:nth-child(1){
    font-weight: bold;
}
.right-circles .right-circle2-box:nth-child(3){
    width: 174px;
}
.right-circle-box:nth-child(2){
    margin: 0 52px;
}
.right-circle{
    width: 62px;
    height: 62px;
    border-radius: 50%;
    overflow: hidden;
    margin-right: 18px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.right-circle-box:nth-child(1) .right-circle{
    background: url(/best/img/diaphragm/chart1-bg.png) no-repeat;
    background-position: center;
}
.right-circle-box:nth-child(2) .right-circle{
    background: url(/best/img/diaphragm/chart2-bg.png) no-repeat;
    background-position: center;
}
.right-circle-box:nth-child(3) .right-circle{
    background: url(/best/img/diaphragm/chart3-bg.png) no-repeat;
    background-position: center;
}
.right-circle-txt{
    height: 100%;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.right-circle-txt div:nth-child(1){
    font-size: 32px;
    line-height: 32px;
}
.right-circle-txt div:nth-child(2){
    font-size: 16px;
    line-height: 16px;
}
.right-circle2-txt{
    height: 100%;
    padding: 6px 0;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
    white-space: nowrap;
}
.right-circle2-txt div:nth-child(1){
    font-size: 20px;
    color: #fff;
    line-height: 20px;
}
.right-circle2-txt div:nth-child(2){
    font-size: 13px;
    color: #ccc;
    line-height: 13px;
}
.right-circle2-box:nth-child(1) .right-circle{
    background: url(/best/img/diaphragm/chart4-bg.png) no-repeat;
    background-position: center;
    background-size: 60%;
}
.right-circle2-box:nth-child(2) .right-circle{
    background: url(/best/img/diaphragm/chart5-bg.png) no-repeat;
    background-position: center;
    background-size: 60%;
}
.right-circle2-box:nth-child(3) .right-circle{
    background: url(/best/img/diaphragm/chart6-bg.png) no-repeat;
    background-position: center;
    background-size: 60%;
}
.vk{
    width: 477px;
    height: 107px;
    box-sizing: border-box;
    padding-left: 15px;
    border: 1px dashed rgba(255, 255, 255, .2);
    margin-top: 26px;
}
.vk-title{
    font-size: 16px;
    color: #BC912F;
    margin: 15px 0 8px;
}
.vk-desc{
    font-size: 14px;
    color: #ccc;
    line-height: 28px;
}

.wfremark{color:#fff;font-size:12px;margin: 0 auto 20px;max-width: 648px;}
/* product end */

/* wow start */
.wow-wrap{
    height: 816px;
    background: url(/best/img/diaphragm/wow-bg.png) center no-repeat;
    background-size: cover;
}
.wow-box{
    width: 1200px;
    margin: 0 auto;
    height: 100%;
    /* display: flex;
    justify-content: right;
    box-sizing: border-box; */
}
.wow{
    padding-top: 96px;
    padding-left: 10px;
    margin-top: 140px;
    background: url(/best/img/diaphragm/wow.png) no-repeat;
    background-position: left top;
    float: right;
}
.wow-title{
    padding: 42px 0 26px;
}
.wow-title .desc-title{
    font-size: 38px;
    line-height: 50px;
}
.wow-line{
    width: 70px;
    height: 1px;
    background: #a4a4a4;
    margin-bottom: 20px;
}
.wow-con{
    font-size: 16px;
    line-height: 32px;
    color: #fff;
}
.wow-con span{
    color: #BF922E;
}
.wow-btn{
    margin-top: 38px;
    width: 139px;
    height: 54px;
    background-color: #C49534;
    display: flex;
    justify-content: center;
    align-items: center;
    font-size: 16px;
    color: #000;
    font-weight: 500;
    user-select: none;
    cursor: pointer;
}
.wow-btn img{
    margin-left: 7px;
}
/* wow end */

/* approve start */
.approve-wrap{
    height: 816px;
    background: url(/best/img/diaphragm/approve.png) no-repeat;
    background-size: cover;
}
.approve-box{
    width: 1200px;
    height: 100%;
    margin: 0 auto;
}
.approve-title{
    padding: 84px 0 40px;
    text-align: center;
}
.approve-title .desc-title{
    font-size: 38px;
    line-height: 50px;
}
.approve-con{
    font-size: 16px;
    line-height: 36px;
    color: #fff;
    text-align: center;
}
.approve-imgs{
    display: flex;
    justify-content: space-around;
    margin-top: 100px;
}
.approve-img-box{
    width: 50%;
    display: flex;
    justify-content: space-around;
}
.approve-img{
    display: flex;
    flex-direction: column;
    align-items: center;
    font-size: 16px;
    line-height: 32px;
    color: #fff;
}
.approve-img div{
    margin-top: 42px;
    text-align: center;
}
/* approve end */


@media (max-width: 992px) {
    .play-wrap{
        width: 100%;
    }
    .close{
        display: none;
    }
    .br-pc{
        display: none;
    }
    .br-phone{
        display:inline-block;
    }
    /* banner1 start */
    .banner-wrap{
        width: 100%;
        height: 8.35rem;
        background: url(/best/img/diaphragm/phone/banner1.png) no-repeat;
        background-size: cover;
    }
    .banner-box{
        width: 100%;
        height: 100%;
        padding-top: .71rem;
    }
    .banner-title{
        padding: 1.16rem 0 .36rem;
    }
    .banner-title .desc-title{
        font-size: .44rem;
        line-height: .5rem;
    }
    .banner-con{
        font-size: .16rem;
        line-height: .32rem;
        padding: 0 .3rem;
    }
    .banner-btns-phone{
        position: absolute;
        bottom: 0rem;
        width: 100%;
    }
    .banner-btns{
        padding-bottom: .26rem;
    }
    .banner-btns-phone .banner-btns:nth-child(1){
        float: left;
    }
    .banner-btns-phone .banner-btns:nth-child(2){
        float: right;
    }
    .banner-btn{
        width: 1.75rem;
        height: 0.51rem;
        margin-right: .08rem;
        flex-shrink: 0;
    }
    .banner-btn-con,.banner-btn-con-active{
        font-size: .16rem;
        white-space: nowrap;
    }
    .banner-icon{
        margin-right: .08rem;
    }
    .banner-icon-item{
        width: 2px;
        height: 0.12rem;
    }
    .banner-btn-img{
        width: 80%;
    }
    .br-phone .banner-btns:first-child{
        justify-content: left;
        padding-left: .4rem;
    }
    .br-phone .banner-btns:last-child{
        padding-right: .3rem;
    }
    /* banner1 end */

    /* feature start */
    .feature-wrap{
        height: 5.74rem;
    }
    .feature-item-mask{
        font-size: .16rem;
        white-space: nowrap;
    }
    .feature-img-box{
        height: .88rem;
        margin-bottom: .16rem;
        display: flex;
        align-items: center;
    }
    .feature-img-box img{
        height: .7rem;
    }
    .feature-item:nth-child(3) .feature-img-box img, .feature-item:nth-child(4) .feature-img-box img{
        height: .61rem;
    }
    .feature-item-con{
        width: 3.984375rem;
        padding: 0 .22rem;
    }
    .feature-item-title{
        font-size: .26rem;
        margin: .36rem 0 .28rem;
    }
    .feature-item-title img{
        height: 0.4rem;
        margin-right: .15rem;
    }
	.gjzwx{padding: 0 0.4rem 0 0;}
    .feature-item-detail{
        font-size: .16rem;
        line-height: .36rem;
        margin-bottom: .2rem;
    }
    .feature1-imgs{
        width: 1.71rem;
        margin-right: .2rem;
    }
    .feature1-imgs div{
        margin-bottom: .04rem;
    }
    .feature1-imgs div img{
        height: 0.42rem;
    }
    .feature1-imgs>img{
        width: 100%;
        margin-bottom: .04rem;
    }
    .feature-video{
        width: auto;
        height: .85rem;
        transform: translateY(-.1rem);
    }
    .feature-con-imgs div{
        margin-right: .3rem;
        font-size: .12rem;
    }
    .feature-con-imgs div img{
        margin-bottom: .16rem;
    }
    .feature-item:nth-child(2) .feature-con-imgs div img:nth-child(1){
        height: .64rem;
    }
    .feature-item:nth-child(2) .feature-con-imgs div img:nth-child(2){
        width: .64rem;
    }
    .feature-item:nth-child(3) .feature-item-con>img{
        height: 1.26rem;
    }
    .feature-item:nth-child(4) .feature-con-imgs img{
        height: .61rem;
    }
    /* feature end */

    /* tech start */
    .tech-wrap1{
        background: url(/best/img/diaphragm/phone/tech1.png) no-repeat;
    }
    .tech-wrap2{
        background: url(/best/img/diaphragm/phone/tech2.png) no-repeat;
    }
    .tech-wrap{
        /* height: 8.61rem; */
        height: auto;
        background-size: cover;
        padding-bottom: .73rem;
    }
    .tech-box{
        width: 100%;
        height: 100%;
    }
    .tech-btns{
        padding-top: 0.45rem;
        height: 1.34rem;
    }
    .tech-btn{
        height: 0.73rem;
        font-size: .3rem;
        line-height: .73rem;
    }
    .tech-btn:nth-of-type(1){
        width: 2.56rem;
        margin-right: 1rem;
        text-indent: 0;
    }
    .tech-btn:nth-of-type(2){
        width: 3.24rem;
        background-size: 3.24rem;
        height: 0.73rem;
        text-indent: 0;
    }
    .tech-btn:nth-of-type(1).tech-btn-active{
        background-size: 2.56rem;
        height: 0.73rem;
    }
    .tech-btn:nth-of-type(2).tech-btn-active{
        background-size: 3.24rem;
        height: 0.73rem;
    }
    .tech-btn-active{
        font-size: .37rem;
    }
    .tech-arrow{
        height: 1.34rem;
    }
    .tech-arrow:nth-of-type(1){
        transform: translate(-110%, -35%);
    }
    .tech-arrow:nth-of-type(2){
        transform: translate(-60%, -35%);
    }
    .tech-desc{
        font-size: .16rem;
        line-height: .36rem;
        padding: 0 .4rem;
        margin: .16rem 0 .44rem;
    }
    .tech-desc img{
        height: .16rem;
    }
    .tech-detail{
        margin-bottom: .36rem;
    }
    .tech-detail-box{
        flex-direction: column;
        align-items: center;
        justify-content: flex-start;
        padding: 0 .4rem;
    }
    .tech-detail-title{
        font-size: .26rem;
        line-height: .32rem;
        margin-bottom: .17rem;
    }
    .tech-detail-con{
        font-size: .16rem;
        line-height: .32rem;
    }
    .tech-detail-con img{
        height: .16rem;
    }
    .tech-detail-con span{
        color: #C69737;
        font-size: .14rem;
    }
    .left-desc .br-phone{
        color: #C69737;
        font-size: .14rem;
        display: block;
    }
    .tech-detail-explain{
        font-size: .14rem;
        line-height: .32rem;
        margin-top: 0;
    }
    .tech-detail-explain img{
        height: .16rem;
    }
    .tech-a-box{
        width: 2.95rem;
        height: 0.54rem;
        margin: .5rem auto 0;
    }
    .tech-1 .tech-a-box{
        width: 1.96rem;
    }
    .tech-2 .tech-a-box{
        width: 2.95rem;
    }
    .tech-a-box a{
        font-size: .16rem;
    }
    .tech-1 .tech-a-box a{
        width: 0.98rem;
    }
    .tech-a-box a:nth-child(2)::before,.tech-a-box a:nth-child(2)::after{
        height: .32rem;
    }
    .tech-a-box a:nth-child(2)::before{
        transform: skewX(-20deg) translate(-0.03rem,-50%);
    }
    .tech-a-box a:nth-child(2)::after{
        transform: skewX(-20deg) translate(-0.06rem,-50%);
    }
    /* tech end */
.wfremark{color:#fff;font-size:0.16rem;margin: 0 auto 0.35rem; max-width: 93%;}
    /* wow start */
    .wow-wrap{
        height: 10.31rem;
        background: url(/best/img/diaphragm/phone/wow-bg.png) center no-repeat;
        background-size: cover;
    }
    .wow-box{
        width: 100%;
        height: 100%;
        padding: 0 .3rem;
        justify-content: left;
    }
    .wow{
        float: left;
        margin-top: 1.08rem;
        padding-top: .96rem;
        padding-left: .1rem;
        background-size: 3.92rem .96rem;
    }
    .wow-title{
        padding: .46rem 0 .2rem;
    }
    .wow-title .desc-title{
        font-size: .38rem;
        line-height: .5rem;
    }
    .wow-line{
        width: 0.7rem;
        margin-bottom: .2rem;
    }
    .wow-con{
        font-size: .16rem;
        line-height: .32rem;
    }
    .wow-btn{
        margin-top: .38rem;
        width: 1.39rem;
        height: 0.54rem;
        font-size: .16rem;
    }
    .wow-btn img{
        width: 0.18rem;
    }
    /* wow end */

    /* product start */
    .pro-wrap-kc{
        background: url(/best/img/diaphragm/phone/pro-bg1.jpg) center no-repeat;
    }
    .pro-wrap-vp{
        background: url(/best/img/diaphragm/phone/pro-bg2.jpg) center no-repeat;
    }
    .pro-wrap-vk,.pro-wrap-x,.pro-wrap-k{
        background: url(/best/img/diaphragm/phone/pro-bg3.jpg) center no-repeat;
    }
    .pro-wrap{
        height: 11.44rem;
        background-size: cover;
        background-position: center;
    }
    .pro-box{
        width: 100%;
        height: 100%;
        box-sizing: border-box;
        padding: 0 .2rem;
    }
    .pro-btns{
        padding-top: .36rem;
    }
    .pro-btn{
        width: 1.35rem;
        height: 0.92rem;
    }
    .pro-btn-title{
        font-size: .18rem;
    }
    .pro-btn-txt{
        font-size: .14rem;
        margin-top: .09rem;
    }
    .pro-con{
        padding: .38rem 0 0;
        width: 100%;
        box-sizing: border-box;
    }
    .pro-con-left{
        padding: 0 0.28rem;
    }
    .pro-con[data-level="x"] .pro-con-left,.pro-con[data-level="k"] .pro-con-left{
        padding-top: 0;
    }
    .pro-con-right .right-btns-box{
        padding: 0 .28rem;
    }
    .pro-con-active{
        display: flex;
        flex-direction: column-reverse;
    }
    .left-img2{
        margin-top: .16rem;
        font-size: .22rem;
        line-height: .36rem;
    }
    .pro-con[data-level="x"] .left-img2,.pro-con[data-level="k"] .left-img2{
        margin-top: .33rem;
    }
    .pro-con[data-level="x"] .left-img2{
        margin-bottom: .16rem;
    }
    .left-img2 img{
        height: .22rem;
    }
    .left-txt{
        padding-top: .25rem;
    }
    .pro-con[data-level="x"] .left-txt{
        padding-top: .25rem;
    }
    .pro-con[data-level="k"] .left-txt{
        padding-top: .33rem;
    }
    .left-title{
        font-size: .22rem;
        line-height: .32rem;
    }
    .left-desc{
        font-size: .16rem;
        line-height: .32rem;
    }
    .left-desc img{
        height: .16rem;
    }
    .x{
        font-size: .18rem;
        line-height: .42rem;
        padding-left: .33rem;
    }
    .x-arrow{
        background-size: .2rem .2rem;
    }
    .left-btn{
        width: 1.39rem;
        height: 0.54rem;
        font-size: .16rem;
        margin-top: .36rem;
    }
    .left-btn img{
        margin-left: .08rem;
        width: 0.18rem;
        height: 0.18rem;
    }
    .right-btns-box{
        margin: 0 0 .2rem;
    }
    .right-btn{
        width: 1.4rem;
        height: 0.56rem;
        font-size: .16rem;
        margin-right: .2rem;
    }
    .right-btns-zb-top{
        width: 0.5rem;
        height: 0.56rem;
        font-size: .22rem;
        margin-bottom: .14rem;
    }
    .right-btns-zb-btm{
        font-size: .18rem;
        line-height: .2rem;
    }
    .right-circles{
        justify-content: flex-start;
        margin-bottom: .3rem;
    }
    .right-circle-box,.right-circle2-box{
        height: 0.62rem;
        justify-content: space-between;
    }
    .right-circle-box:nth-child(2){
        margin: 0;
    }
    .right-circles .right-circle2-box:nth-child(2){
        width: auto;
        margin-left: .2rem;
    }
    .right-circles .right-circle2-box:nth-child(3){
        width: auto;
        margin-left: .3rem;
    }
    .right-circle{
        /* width: 0.62rem;
        height: 0.62rem; */
        margin-right: 0rem;
        transform: scale(.8);
        flex-shrink: 0;
    }
    .right-circle-txt{
        transform: translateX(-0.05rem);
    }
    .right-circle-txt div:nth-child(1){
        font-size: .24rem;
        line-height: .24rem;
        white-space: nowrap;
    }
    .right-circle-txt div:nth-child(2){
        font-size: .18rem;
        line-height: .18rem;
        white-space: nowrap;
    }
    .right-circle2-txt{
        padding: .06rem 0;
    }
    .right-circle2-txt div:nth-child(1){
        font-size: .2rem;
        line-height: .2rem;
    }
    .right-circle2-txt div:nth-child(2){
        font-size: .12rem;
        line-height: .12rem;
    }
    .vk{
        width: 5.06rem;
        height: 1.08rem;
        padding-left: .14rem;
        margin-top: .24rem;
    }
    .vk-title{
        font-size: .16rem;
        margin: .15rem 0 .08rem;
    }
    .vk-desc{
        font-size: .14rem;
        line-height: .28rem;
    }
    .kc-logo{
        height: 1.18rem;
    }
    .vp-logo{
        height: 0.41rem;
    }
    .vk-logo{
        height: 0.51rem;
    }
    .x-logo,.k-logo{
        height: 0.48rem;
    }
    /* product end */

    /* approve start */
    .approve-wrap{
        height: 10.68rem;
        background: url(/best/img/diaphragm/phone/approve.png) no-repeat;
        background-size: cover;
    }
    .approve-box{
        width: 100%;
        height: 100%;
    }
    .approve-title{
        padding: .66rem 0 .4rem;
    }
    .approve-title .desc-title{
        font-size: .38rem;
        line-height: .5rem;
    }
    .approve-con{
        font-size: .16rem;
        line-height: .36rem;
		padding: 0 0.2rem;
    }
    .approve-imgs{
        margin-top: .6rem;
        flex-wrap: wrap;
    }
    .approve-img-box{
        width: 100%;
    }
    .approve-img-box:nth-child(2){
        margin-top: .33rem;
    }
    .approve-img{
        flex-shrink: 0;
        font-size: .16rem;
        line-height: .32rem;
    }
    .approve-img img{
        height: 1.75rem;
    }
    .approve-img div{
        margin-top: .40rem;
    }
    /* approve end */
}

@media (max-width: 750px){
    .right-circle{
        transform: scale(.6);
        flex-shrink: 0;
    }
}