* {
    box-sizing: content-box;
}

.m {
    margin: 0 auto;
}

#backToTop {
    display: none;
    position: fixed;
    bottom: 5%;
    right: 5%;
    z-index: 9999;
    background: url(../images/top.png) no-repeat;
    width: 60px;
    height: 60px;
    transition: 0.3s;
    cursor: pointer;
}

.font_bold {
    font-size: 59px;
    line-height: 72px;
    padding-bottom: 20px;
    padding-top: 50px;
    color: #333;
    font-family: 'Poppins-Bold';
}

.font_light {
    font-family: 'Poppins-Regular';
    font-size: 20px;
    color: #333;
    line-height: 30px;
}

.font_SemiBold {
    font-family: 'Poppins-SemiBold';
    font-size: 32px;
    line-height: 42px;
    padding-top: 50px;
    color: #333;
}

.Poppins-Regular {
    font-family: 'Poppins-Regular';
}

.banner {
    position: relative;
}

.banner img {
    width: 100%;
}

.banner-con {
    width: 1250px;
    margin: 0 auto;
    position: absolute;
    left: 50%;
    top: 0;
    margin-left: -625px;
}

.banner-title {
    /* padding-top: 21%; */
    padding-top: 31%;
}

.banner-title h4 {
    font-family: 'Poppins-Bold';
    font-size: 36px;
    padding-bottom: 30px;
    color: #fff;
}

.banner-title h4 span {
    font-family: 'Poppins-Light';
}

.banner-title h3 {
    font-family: 'Poppins-Bold';
    font-size: 60px;
    line-height: 78px;
    padding-bottom: 40px;
    color: #fff;
}

.banner-title img {
    width: 308px;
}

.navigation {
    display: flex;
    justify-content: center;
    overflow: hidden;
    height: 800px;
}

.navigation p {
    margin: 0 5px;
    transition: .3s;
}

.navigation a {
    display: inline-block;
    transition: .3s;
}

.navigation a img {
    transition: .3s;
}

.navigation p:nth-child(1) {
    padding-top: 180px;
    width: 161px;
}

.navigation p:nth-child(1) img {
    width: 161px;
    margin-bottom: 10px;
}

.navigation p:nth-child(2) {
    padding-top: 290px;
}

.navigation p:nth-child(2) img {
    width: 161px;
}

.navigation p:nth-child(3) {
    padding-top: 210px;
}

.navigation p:nth-child(3) img {
    width: 161px;
}

.navigation p:nth-child(4) {
    padding-top: 140px;
}

.navigation p:nth-child(4) img {
    width: 316px;
}

.navigation p:nth-child(5) {
    padding-top: 230px;
    width: 161px;
}

.navigation p:nth-child(5) img {
    width: 162px;
    margin-bottom: 10px;
}

.navigation p:nth-child(6) {
    padding-top: 180px;
    width: 161px;
}

.navigation p:nth-child(6) img {
    width: 161px;
    margin-bottom: 10px;
}

.navigation p:nth-child(1) a:hover img,
.navigation p:nth-child(2):hover img,
.navigation p:nth-child(3):hover img,
.navigation p:nth-child(5) a:hover img,
.navigation p:nth-child(6) a:hover img {
    width: 181px;
    position: relative;
    z-index: 2;
}

.navigation p:nth-child(4):hover img {
    width: 336px;
    position: relative;
    z-index: 2;
}

.wind {
    width: 1400px;
}

.wind .example {
    width: 100%;
    height: 860px;
    font-size: 40px;
    text-align: center;
    margin: 0px auto;
}

.wind .carousel-item {
    line-height: 336px;
    color: #fff;
    font-family: Arial Black
}

.wind .carousel-indicators {
    width: 1400px;
    height: 100px;
    left: 50% !important;
    margin-left: -700px;
    bottom: 0;
    justify-content: center;
}

.wind .ft-carousel {
    height: 860px;
}

.wind .ft-carousel .carousel-prev-btn {
    top: auto;
    left: 50%;
    bottom: 25px;
    background: url(../images/prev.png) no-repeat;
    background-size: 42px 42px;
    margin-left: -120px;
}

.wind .ft-carousel .carousel-btn {
    z-index: 99;
}

.wind .ft-carousel .carousel-btn:hover {
    opacity: 0.6;
}

.wind .ft-carousel .carousel-next-btn {
    top: auto;
    right: 50%;
    bottom: 25px;
    background: url(../images/next.png) no-repeat;
    background-size: 42px 42px;
    margin-right: -130px;
}

.wind .ft-carousel .carousel-indicators {
    display: flex;
}

.wind .ft-carousel .carousel-indicators span {
    margin: 45px 10px;
    background-color: #d6d6d6;
}

.wind .ft-carousel .carousel-indicators span.active {
    background-color: #333333;
}

.voice {
    width: 1400px;
    display: flex;
    justify-content: center;
    padding: 110px 0px 110px 0px;
}

.voice img {
    width: 240px;
}

.voice h3 {
    padding-left: 70px;
}

.voice h6 {
    line-height: 27px;
    padding-left: 70px;
    padding-top: 18px;
}

.sleek {
    width: 1223px;
    padding: 210px 0px 0px 0px;
}

.sleek_t img {
    width: 240px;
}

.sleek h3 {
    padding-top: 0;
    padding-right: 50px;
}

.sleek_con {
    display: flex;
    justify-content: center;
}

.sleek_con2 {
    justify-content: space-between;
    padding-top: 60px;
}

.sleek_con2 div:nth-child(2) {
    text-align: right;
    position: relative;
}

.sleek_con2 div:nth-child(2) img {
    padding-bottom: 20px;
}

.sleek_con2 h5 {
    font-family: 'Poppins-Bold';
    font-size: 40px;
    line-height: 45px;
    color: #fff;
    position: absolute;
    left: 50%;
    bottom: 109px;
    transform: translate(-117px, 0);
    width: 254px;
    text-align: center;
}

.sleek h6 {
    line-height: 27px;
    padding-left: 0px;
    padding-top: 18px;
}

.sound_video {
    position: relative;
}

.sound_box {
    position: sticky;
    top: 0;
    z-index: 1;
}

.sound_sticky {
    overflow: hidden;
    height: 980px;
}

.sound_sticky img {
    transform: scale(1.2);
    transition: transform 0.5s ease-in-out;
}

.sound_zhezhao {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    position: absolute;
    top: 0;
    z-index: 2;
    transition: opacity 0.5s ease;
}

.sound_zhanwei {
    height: 265px;
}

.sound_con {
    width: 1000px;
    margin: 0 auto;
    height: 540px;
    display: flex;
    position: relative;
    z-index: 3;
    border-radius: 16px;
    overflow: hidden;
    background-color: #fff;
}

.sound_con div {
    width: 50%;
    background-color: #f5f5f5;
}

.sound_con .music {
    padding-top: 108px;
    padding-left: 80px;
}

.sound_con h4 {
    padding-top: 35px;
    padding-left: 80px;
    line-height: 26px;
}

.sound_con h5 {
    font-size: 20px;
    color: #333;
    font-family: 'Poppins-Regular';
    padding-top: 35px;
    padding-left: 80px;
    line-height: 26px;
}

.take {
    width: 1400px;
    display: flex;
    justify-content: center;
    padding: 185px 0px 80px 0px;
}

.take img {
    width: 240px;
    margin-right: 80px;
}

.take h3 {
    padding-top: 0;
}

.take h6 {
    line-height: 27px;
    padding-top: 18px;
    width: 590px;
}

.container {
    position: sticky;
    translate: none;
    rotate: none;
    scale: none;
    left: 0px;
    top: 0px;
    margin: 0px;
    width: 100%;
    /* max-height: 911px;*/
    /* height: 2000px; */
    padding: 0px;
    box-sizing: border-box;
    transform: translate(0px, 0px);
    overflow: hidden;
    background-color: #000;
    text-align: center;
}

.pro_zhezhao {
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    z-index: 22;
    opacity: 0;
    transition: 0.3s;
}

.container img {
    transition: transform 0.5s ease-in-out;
}

.size_img {
    width: 596px;
    position: sticky;
    margin-top: 60px;
    transform: scale(1);
    z-index: 1;
    max-width: 100%;
    transition: transform 1s ease-in-out;
}

.image-container {
    position: absolute;
    left: 50%;
    transform: translate(-50%, -50%);
    top: calc(34% - 12px);
    z-index: 99;
    width: 0;
    height: 0;
    overflow: hidden;
    border-radius: 50%;
    text-align: center;
}

.image-container img {
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    left: 50%;
    transform: translate(-50%, -50%);
}

.product_box {
    position: relative;
    height: 4500px;
    width: 100%;
    /* overflow: hidden; */
}

.wangge_img,
.wangge_img_m {
    z-index: 22;
    opacity: 0.4;
}

.image-container h3 {
    font-size: 180px;
    position: fixed;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 30;
    color: #fff;
    font-family: 'Poppins-Bold';
}

.product_l {
    position: absolute;
    left: 9%;
    top: 30%;
    z-index: 2;
    color: #fff;
    font-size: 240px;
    transition: 0.1s;
    font-family: 'Poppins-Bold';
}

.product_r {
    position: absolute;
    right: 14%;
    top: 36%;
    z-index: 2;
    transition: 0.1s;
}

.product_r h4 {
    color: #fff;
    font-size: 150px;
    margin: 0;
    padding: 0;
    line-height: 110px;
    font-family: 'Poppins-SemiBold';
}

.product_r h5 {
    color: #fff;
    font-size: 93px;
    margin: 0;
    padding: 0;
    font-family: 'Poppins-SemiBold';
}

.size_video {
    position: relative;
    background-color: #000;
}

.size_box {
    position: sticky;
    top: 0;
    z-index: 1;
}

.size_sticky {
    overflow: hidden;
    height: 980px;
}

.size_sticky img {
    transform: scale(1.2);
    transition: transform 0.5s ease-in-out;
}

.size_zhezhao {
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.8);
    opacity: 0;
    position: absolute;
    top: 0;
    z-index: 99;
    transition: opacity 0.5s ease;
}

.size_zhanwei {
    height: 265px;
}

.size_con {
    width: 1000px;
    margin: 0 auto;
    position: absolute;
    top: 100%;
    left: 50%;
    transform: translate(-50%, -50%);
    z-index: 999;
    border-radius: 16px;
    overflow: hidden;
    background-color: #f5f5f5;
    padding-bottom: 55px;
    transition: 1s;
}

.size_con h4 {
    padding-top: 65px;
    line-height: 26px;
    text-align: center;
}

.size_con h5 {
    font-size: 20px;
    color: #333;
    font-family: 'Poppins-Regular';
    padding-top: 25px;
    padding-bottom: 25px;
    line-height: 26px;
    text-align: center;
}

.size_con .size_box {
    display: flex;
}

.size_con .size_box p {
    width: 250px;
    z-index: 99;
}

.size_con .size_box p img {
    padding-left: 120px;
    padding-top: 139px;
}

.size_con .example {
    width: 640px;
    height: 310px;
    font-size: 40px;
    text-align: center;
    margin: 0px auto;
    margin-right: 115px;
    position: relative;
}

.size_con .carousel-item {
    line-height: 336px;
    color: #fff;
    font-family: Arial Black
}

.size_con .carousel-indicators {
    width: 640px;
    height: 310px;
    left: 50% !important;
    margin-left: -320px;
    bottom: 0;
    justify-content: center;
}

.size_con .ft-carousel {
    height: 310px;
}

.size_con .ft-carousel .carousel-btn {
    display: none;
}

.size_con .ft-carousel .carousel-indicators {
    display: flex;
    position: relative;
}

.size_con .ft-carousel .carousel-indicators::before {
    content: '';
    position: absolute;
    bottom: 73px;
    height: 2px;
    width: 100%;
    z-index: 1;
    background-color: #c5c5c5;
}

.size_con .ft-carousel .carousel-indicators span {
    width: 138px;
    height: 310px;
    border-radius: revert;
    position: relative;
    z-index: 2;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(1) {
    background: url(../images/size-icon1.png) no-repeat center bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(1).active {
    background: url(../images/size-icon1-1.png) no-repeat center bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(2) {
    background: url(../images/size-icon2.png) no-repeat 22% bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(2).active {
    background: url(../images/size-icon2-1.png) no-repeat 22% bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(3) {
    background: url(../images/size-icon3.png) no-repeat 6% bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(3).active {
    background: url(../images/size-icon3-1.png) no-repeat 6% bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(4) {
    background: url(../images/size-icon4.png) no-repeat 15% bottom;
}

.size_con .ft-carousel .carousel-indicators span:nth-child(4).active {
    background: url(../images/size-icon4-1.png) no-repeat 15% bottom;
}

.size_con .example h6 {
    font-family: 'Poppins-Regular';
    font-size: 18px;
    color: #333;
    position: absolute;
    bottom: -5px;
    right: -3px;
    line-height: 32px;
    text-align: left;
}

.electrical {
    width: 100%;
    margin-top: -429px;
    background-color: #fff;
    position: relative;
    z-index: 999;
}

.electrical_con {
    width: 1200px;
    display: flex;
    justify-content: center;
    padding: 300px 0px 100px 0px;
}

.electrical_l img {
    width: 220px;
    padding-left: 120px;
}

.electrical h3 {
    padding-right: 70px;
}

.electrical h6 {
    padding-top: 18px;
}

.electrical_r {
    height: 681px;
    border-radius: 16px;
    overflow: hidden;
}

.electrical_r img {
    padding-top: 140px;
}

.stand {
    width: 1305px;
    display: flex;
    justify-content: center;
    padding: 30px 0px 100px 0px;
}

.stand_l img {
    width: 220px;
    padding-left: 95px;
}

.stand h3 {
    padding-left: 50px;
}

.stand h6 {
    padding-top: 18px;
    padding-left: 50px;
}

.stand_r img {
    padding-top: 170px;
}

.Adaptation {
    width: 1200px;
    padding: 60px 0px 80px 0px;
    text-align: center;
}

.Adaptation p img {
    width: 217px;
}

.Adaptation h3 {
    padding: 50px 0 40px 0;
}

.Adaptation h6 {
    padding-bottom: 50px;
}

.Adaptation .example {
    width: 100%;
    height: 720px;
    font-size: 40px;
    text-align: center;
    margin: 0px auto;
}

.Adaptation .carousel-item {
    line-height: 336px;
    color: #fff;
    font-family: Arial Black
}

.Adaptation .carousel-indicators {
    width: 1200px;
    height: 170px;
    left: 50% !important;
    margin-left: -600px;
    top: 0;
}

.Adaptation .ft-carousel {
    height: 720px;
}

.Adaptation .ft-carousel .carousel-inner {
    top: 170px;
}

.Adaptation .ft-carousel .carousel-btn {
    display: none;
}

.Adaptation .ft-carousel .carousel-indicators {
    display: flex;
}

.Adaptation .ft-carousel .carousel-indicators span {
    height: 145px;
    width: 25%;
    border-bottom: 2px solid #cccccc;
    border-radius: unset;
    margin: 0;
}

.Adaptation .ft-carousel .carousel-indicators span.active {
    border-bottom: 2px solid #333;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(1) {
    background: url(../images/adap1.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(1).active {
    background: url(../images/adap1s.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(2) {
    background: url(../images/adap2.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(2).active {
    background: url(../images/adap2s.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(3) {
    background: url(../images/adap3.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(3).active {
    background: url(../images/adap3s.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(4) {
    background: url(../images/adap4.png) no-repeat center;
    background-size: 300px 132px;
}

.Adaptation .ft-carousel .carousel-indicators span:nth-child(4).active {
    background: url(../images/adap4s.png) no-repeat center;
    background-size: 300px 132px;
}

.Features {
    width: 1200px;
    padding: 70px 0px 50px 0px;
    text-align: center;
    clear: both;
}

.Features h3 {
    padding-bottom: 100px;
}

.Features_con {
    display: flex;
    justify-content: space-between;
    width: 1200px;
    padding-bottom: 85px;
}

.Features_con h3 {
    padding: 120px 0 20px 115px;
    text-align: left;
}

.Features_con h6 {
    padding-left: 120px;
    text-align: left;
}

.Features_con_r h3 {
    padding: 120px 140px 20px 0;
}

.Features_con_r h6 {
    padding-right: 122px;
    padding-left: 0;
}

.icon-t {
    width: 185px;
}

.FeaturesNew {

    padding-bottom: 35px;
    padding-top: 0px;
}

.FeaturesNew_con {
    display: flex;
    justify-content: space-between;
    padding-top: 100px;
    text-align: left;
}

.FeaturesNew_con .icon-t {
    padding-top: 70px;
}

.FeaturesNew_con .icon-t3 {
    width: 175px;
    padding-top: 30px;
}

.FeaturesNew_con_r .icon-t {
    padding-top: 64px;
    width: 195px;
}

.FeaturesNew_con_r {
    padding-right: 30px;
}

.FeaturesNew_con h3 {
    font-size: 32px;
    padding-top: 40px;
    padding-bottom: 25px;
    line-height: 1;
}

.FeaturesNew_con h6 {
    padding-bottom: 32px;
}

.Specification {
    width: 1200px;
    padding: 0px 0px 185px 0px;
}

.Specification .font_SemiBold {
    text-align: center;
    padding-bottom: 55px;
}

.Specification h6 {
    font-size: 14px;
    color: #888;
    font-family: 'Poppins-Regular';
    line-height: 23px;
    padding-top: 20px;
}

.Specification h6 a {
    color: #FA9E0D;
    font-family: 'Poppins-SemiBold';
    font-size: 14px;
    margin-left: 5px;
    text-decoration: underline;
}



/** 折叠 */

a:focus,
a:hover,
a:active {
    outline: 0;
    text-decoration: none !important;
}

.panel {
    border-width: 0 0 1px 0;
    border-style: solid;
    border-color: #fff;
    background: none;
    box-shadow: none;
}

.panel:last-child {
    border-bottom: none;
}

.panel-group>.panel:first-child .panel-heading {
    border-radius: 4px 4px 0 0;
}

.panel-group .panel {
    border-radius: 0;
    border: 0px !important;
    border-top: 1px solid #cdcdcd !important;
    box-shadow: none;
    padding: 35px 0;
}

.panel-group .panel+.panel {
    margin-top: 0;
}

.panel-heading {
    border-radius: 0;
    border: none;
    color: #333;
    padding: 0 !important;
    background-color: #fff;
    width: 280px;
}

.panel-title a {
    display: block;
    color: #333;
    padding: 0;
    position: relative;
    font-size: 20px;
    font-weight: 400;
    font-family: 'Poppins-SemiBold';
}

.panel-title p {
    /* background: url(../images/right.png) no-repeat center right; */
    background-size: 7px 12px;
    display: inline-block;
    width: 28px;
    height: 12px;
    margin: 0;
}

.active .panel-title p {
    /* background: url(../images/down.png) no-repeat center right; */
    background-size: 12px 7px;
}

.panel-body {
    background: #fff;
    margin-left: 280px;
    display: flex;
    justify-content: center;
    margin-top: -34px;
    padding-bottom: 0 !important;
}

.panel-body ul {
    margin-bottom: 0;
}

.panel-body ul:nth-child(1) {
    font-family: 'Poppins-SemiBold';
    width: 42%;
}

.panel-body ul:nth-child(2) {
    font-family: 'Poppins-Regular';
    width: 58%;
}

.panel-body ul li {
    line-height: 37px;
    font-size: 16px;
    color: #333;
}

.panel:last-child .panel-body {
    border-radius: 0 0 4px 4px;
}

.panel:last-child .panel-heading {
    border-radius: 0 0 4px 4px;
    -webkit-transition: border-radius 0.3s linear 0.2s;
    transition: border-radius 0.3s linear 0.2s;
}

.panel:last-child .panel-heading.active {
    border-radius: 0;
    -webkit-transition: border-radius linear 0s;
    transition: border-radius linear 0s;
}

.panel-group .panel-heading+.panel-collapse>.panel-body,
.panel-group .panel-heading+.panel-collapse>.list-group {
    border: 0 !important;
}

.mobile {
    display: none;
}

.navigation_m {
    width: 94%;
    margin: 0 3%;
    padding: 75px 0 75px 0;
}

.navigation_m p {
    display: flex;
    margin-bottom: 20px;
    justify-content: space-between;
}

.navigation_m p img {
    max-width: 100%;
}

@media (max-width: 1000px) {
    .size_con_bg {
        background-color: #fff;
        position: relative;
        z-index: 100;
        padding-top: 1px;
    }

    .none {
        display: none;
    }

    .mobile {
        display: block;
    }

    .font_bold {
        font-size: 48px;
        line-height: 60px;
        padding: 0;
        padding-top: 20px;
    }

    .font_light {
        font-size: 20px;
        padding-top: 30px;
    }

    .hide {
        display: none;
    }

    .navigation_m p {
        margin-bottom: 22px;
    }

    .banner-con {
        width: 100%;
        left: 0;
        margin-left: 0;
        top: 7%;
        text-align: center;
    }

    .banner-title {
        padding-top: 3%;
    }

    .banner-title h4 {
        font-size: 40px;
    }

    .banner-title h3 {
        font-size: 64px;
    }

    .wind {
        width: 100%;
        margin: 0 auto;
    }

    .wind .example {
        width: 100%;
        height: 750px;
    }

    .wind .carousel-indicators {
        width: 90%;
        margin: 0 5%;
        height: 15px;
        left: 0% !important;
        bottom: 15px;
    }

    .wind .ft-carousel .carousel-btn {
        bottom: 0px;
    }

    .wind .ft-carousel {
        height: inherit;
    }

    .wind .ft-carousel .carousel-indicators span {
        margin: -6px 10px;
    }

    .voice {
        display: block;
        text-align: center;
        padding: 105px 0 40px 0;
        width: 96%;
        margin: 0 2%;
    }

    .voice img {
        width: auto;
        margin: 0 auto;
    }

    .voice h3 {
        padding-left: 0;
    }

    .voice h6 {
        line-height: 30px;
        padding-left: 0px;
        padding-top: 30px;
    }

    .sleek {
        display: block;
        text-align: center;
        padding: 160px 0 0px 0;
        width: 90%;
        margin: 0 5%;
    }

    .sleek img {
        width: auto;
        margin: 0 auto;
    }

    .sleek h3 {
        padding-left: 0;
        padding-top: 20px;
        padding-right: 0px;
    }

    .sleek h6 {
        line-height: 30px;
        padding-left: 0px;
        padding-top: 30px;
    }

    .sleek_con {
        display: block;
        width: 100%;
    }

    .sleek_con2 {
        padding-top: 40px;
    }

    .sleek_con2 div:nth-child(2) {
        display: flex;
        justify-content: space-between;
        padding-top: 20px;
    }

    .sleek_con2 div:nth-child(2) img {
        padding-bottom: 0;
    }

    .sound_con {
        display: block;
        width: 90%;
        margin: 0 5%;
        height: auto;
    }

    .sound_con div {
        width: 100%;
        text-align: center;
    }

    .sound_con h4 {
        padding-left: 0;
        padding-top: 70px;
    }

    .sound_con h5 {
        padding-left: 0;
        padding: 20px 10% 70px 10%;
    }

    .sound_con p img {
        width: 100%;
    }

    .take {
        display: block;
        text-align: center;
        padding: 160px 0 30px 0;
        width: 96%;
        margin: 0 2%;
    }

    .take img {
        width: auto;
        margin: 0 auto;
    }

    .take h3 {
        padding-left: 0;
    }

    .take h6 {
        line-height: 30px;
        padding-left: 0px;
        padding-top: 30px;
        width: auto;
    }

    .size_con {
        width: 90%;
        margin: 0 5%;
        padding-bottom: 60px;
        left: 0;
        position: relative;
        transform: none;
        margin: 0 auto;
        margin-top: 110px;
        border-radius: 8px;
    }

    .size_con h5 {
        padding: 35px 5% 60px 5%;
    }

    .size_con .size_box {
        display: block;
    }

    .size_con .size_box p {
        width: auto;
        position: absolute;
        left: 5%;
        top: 61px;
    }

    .size_con .size_box p img {
        padding-left: 0;
        padding-top: 105px;
    }

    .size_con .example {
        width: calc(95% - 116px);
        height: 310px;
        font-size: 40px;
        text-align: center;
        margin-left: 116px;
    }

    .size_con .carousel-indicators {
        width: 100%;
        margin-left: -50%;
    }

    .size_con .example h6 {
        right: 0;
    }

    .electrical {
        text-align: center;
        padding: 65px 0 0 0;
        margin-top: 0px;
    }

    .electrical_con {
        width: 90%;
        margin: 0 5%;
        display: block;
        padding: 0;
    }

    .electrical img {
        width: auto;
        margin: 0 auto;
        padding-left: 0;
        padding-top: 35px;
    }

    .electrical h3 {
        padding-left: 0;
    }

    .electrical h6 {
        line-height: 30px;
        padding-left: 0px;
        padding-top: 30px;
        padding-bottom: 35px;
        width: auto;
    }

    .stand {
        text-align: center;
        padding: 100px 0 0 0;
        width: 90%;
        margin: 0 5%;
        display: block;
    }

    .electrical_l img {
        width: auto;
        padding-left: 0;
        margin: 0 auto;
    }

    .electrical_r {
        height: auto;
    }

    .electrical_r img {
        padding-top: 35px;
    }

    .Adaptation {
        width: 100%;
        margin: 0 auto;
    }

    .Adaptation p img {
        margin: 0 auto;
        width: auto;
    }

    .Features {
        width: 90%;
        margin: 0 5%;
        padding: 65px 0px 0px 0px;
    }

    .Features_con {
        width: 100%;
        display: block;
    }

    .Features h3 {
        padding-bottom: 65px;
    }

    .Features_con h3 {
        padding: 45px 0 25px 0;
        text-align: center;
    }

    .Features_con h6 {
        text-align: center;
        padding: 0;
    }

    .Features_con p img {
        margin: 0 auto;
    }

    .FeaturesNew {
        display: block;
        padding-top: 0px;
    }

    .icon-t {
        width: 146px;
        margin: 0 auto;
    }

    .icon-t2 {
        width: 159px;
    }

    .FeaturesNew_con {
        display: block;
        padding-top: 70px;
        text-align: center;
    }

    .FeaturesNew_con h3 {
        padding-top: 32px;
        padding-bottom: 25px;
        line-height: 42px;
        font-family: 'Poppins-Bold';
    }

    .FeaturesNew_con h6 {
        padding-top: 0px;
        padding-bottom: 50px;
    }

    .FeaturesNew_con_r {
        padding-top: 135px;
        margin-top: 0px;
        padding-right: 0;
    }

    .FeaturesNew_con .icon-t {
        padding-top: 0;
    }

    .FeaturesNew_con_r .icon-t {
        width: 160px;
    }

    .FeaturesNew_con .icon-t3 {
        padding-top: 40px;
        width: 138px;
    }

    .Features2 {
        padding-top: 165px;
    }

    .pro_m_box {
        position: relative;
        height: 3300px;
    }

    .pro_m {
        position: sticky;
        top: 0;
        left: 0;
        text-align: center;
    }

    .pro_m .pro_img {
        width: 100%;
        margin: 0 auto;
        margin-top: 8px;
        position: relative;
    }

    .pro_m .product_l {
        position: absolute;
        left: 50%;
        top: 200px;
        z-index: 2;
        color: #fff;
        font-size: 230px;
        transform: translate(-50%, -50%);
        transition: 0.1s;
        font-family: 'Poppins-Bold';
    }

    .pro_m .product_r {
        width: 100%;
        text-align: center;
        left: 0%;
        top: 300px;
        display: flex;
        justify-content: center;
    }

    .pro_m .product_r h5 {
        font-size: 70px;
        line-height: 85px;
        padding-left: 10px;
    }

    .pro_m .product_r h4 {
        font-family: 'Poppins-Medium';
        font-size: 70px;
        line-height: 85px;
    }

    .Adaptation {
        padding: 100px 0 50px 0;
    }

    .Adaptation .example {
        text-align: center;
    }

    .Adaptation .carousel-indicators {
        width: 100%;
        margin-left: -50%;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(1) {
        background: url(../images/mobile/adap1.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(1).active {
        background: url(../images/mobile/adap1s.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(2) {
        background: url(../images/mobile/adap2.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(2).active {
        background: url(../images/mobile/adap2s.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(3) {
        background: url(../images/mobile/adap3.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(3).active {
        background: url(../images/mobile/adap3s.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(4) {
        background: url(../images/mobile/adap4.png) no-repeat center;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(4).active {
        background: url(../images/mobile/adap4s.png) no-repeat center;
    }

    .Adaptation .ft-carousel {
        height: inherit;
    }

    .Adaptation .example {
        height: 602px;
    }

    .Adaptation .example video::-webkit-media-controls {
        display: none !important;
    }

    .Specification {
        width: 94%;
        margin: 0 3%;
    }

    .panel-body {
        margin-left: 0;
        margin-top: 20px;
    }

    .panel-heading {
        width: 300px;
    }

    .panel-title a {
        font-size: 24px;
    }

    .panel-body ul li {
        font-size: 16px;
        min-height: 37px;
    }

    .stand {
        background-color: #fff;
    }

    .stand h3 {
        padding-left: 0px;
    }

    .electrical h3 {
        padding-left: 2%;
        padding-right: 2%;
    }

    .stand h6 {
        padding-left: 0;
    }

    .sound_m p img {
        width: 100%;
        margin: 0 auto;
    }

    .sound_m_con {
        width: 94%;
        margin: 0 3%;
        margin-top: 50px;
        border-radius: 8px;
        background-color: #f5f5f5;
        text-align: center;
    }

    .sound_m_con .music {
        padding-top: 55px;
        width: 80px;
    }

    .sound_m_con h4 {
        padding-top: 45px;
        line-height: 40px;
        font-size: 32px;
    }

    .sound_m_con h5 {
        font-size: 20px;
        color: #333;
        font-family: 'Poppins-Regular';
        padding-top: 15px;
        padding-bottom: 37px;
        line-height: 30px;
    }

    .sound_m_con p img {
        width: 100%;
    }

    .take img {
        width: 150px;
    }

    .product_box {
        height: auto;
        visibility: visible !important;
    }

    .container {
        height: auto;
        position: relative;
        background-color: #fff;
    }

    .navigation_m {
        width: 660px;
    }

    .wind .ft-carousel .carousel-indicators span {
        width: 10px;
        height: 10px;
    }

    .wind .ft-carousel .carousel-btn {
        width: 62px;
        height: 62px;
    }

    .wind .ft-carousel .carousel-prev-btn {
        background: url(../images/mobile/prev.png) no-repeat;
        margin-left: -140px;
    }

    .wind .ft-carousel .carousel-next-btn {
        background: url(../images/mobile/next.png) no-repeat;
        margin-right: -130px;
    }

    .image-container-mobile {
        position: absolute;
        left: 50%;
        transform: translate(-50%, -50%);
        top: calc(34% - 12px);
        z-index: 99;
        width: 0;
        height: 0;
        overflow: hidden;
        border-radius: 50%;
        text-align: center;
    }

    .image-container-mobile img {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .image-container-mobile img {
        position: absolute;
        top: 50%;
        transform: translateY(-50%);
        left: 50%;
        transform: translate(-50%, -50%);
    }

    .image-container-mobile h3 {
        font-size: 160px;
        position: fixed;
        top: 50%;
        left: 50%;
        transform: translate(-50%, -50%);
        z-index: 30;
        color: #fff;
        font-family: 'Poppins-Bold';
    }

    .swiper-container {
        width: 100%;
        height: 100%;
        padding-bottom: 90px;
    }

    .swiper-slide {
        text-align: center;
        font-size: 18px;
        background: #fff;

        /* Center slide text vertically */
        display: -webkit-box;
        display: -ms-flexbox;
        display: -webkit-flex;
        display: flex;
        -webkit-box-pack: center;
        -ms-flex-pack: center;
        -webkit-justify-content: center;
        justify-content: center;
        -webkit-box-align: center;
        -ms-flex-align: center;
        -webkit-align-items: center;
        align-items: center;
    }

    .swiper-slide img {
        width: 100%;
    }

    .swiper-button-next,
    .swiper-button-prev {
        bottom: 0;
        top: auto;
    }

    .swiper-button-next,
    .swiper-button-prev {
        width: 62px;
        height: 62px;
    }

    .swiper-container-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 21px;
    }



    .swiper-pagination-bullet {
        margin: 0 10px !important;
        background-color: #d6d6d6;
        opacity: 1;
        width: 10px;
        height: 10px;
    }

    .swiper-pagination-bullet-active {
        background-color: #333;
    }

    .swiper-button-next,
    .swiper-container-rtl .swiper-button-prev {
        background: url(../images/mobile/next.png) no-repeat;
        right: calc(50% - 130px);
        left: auto;
    }

    .swiper-button-prev,
    .swiper-container-rtl .swiper-button-next {
        background: url(../images/mobile/prev.png) no-repeat;
        left: calc(50% - 130px);
        right: auto;
    }
}

@media (max-width: 600px) {

    .swiper-container {
        padding-bottom: 50px;
    }

    .swiper-container-horizontal>.swiper-pagination-bullets,
    .swiper-pagination-custom,
    .swiper-pagination-fraction {
        bottom: 6px;
    }

    .swiper-button-next,
    .swiper-button-prev {
        width: 33px;
        height: 33px;
    }

    .swiper-button-next,
    .swiper-container-rtl .swiper-button-prev {
        background: url(../images/mobile/next.png) no-repeat;
        background-size: 33px 33px;
        right: calc(50% - 90px);
        left: auto;
    }

    .swiper-button-prev,
    .swiper-container-rtl .swiper-button-next {
        background: url(../images/mobile/prev.png) no-repeat;
        background-size: 33px 33px;
        left: calc(50% - 90px);
        right: auto;
    }

    .font_bold {
        font-size: 24px;
        line-height: 30px;
    }

    .font_light {
        font-size: 10px;
        line-height: 14px;
    }

    .font_SemiBold {
        font-size: 16px;
    }

    .banner-title h4 {
        font-size: 20px;
        padding-bottom: 10px;
    }

    .banner-title h3 {
        font-size: 32px;
        line-height: 40px;
        padding-bottom: 25px;
    }

    .banner-title img {
        width: 50%;
    }

    .navigation_m {
        width: 94%;
        margin: 0 auto;
    }

    .navigation_m p {
        margin-bottom: 10px;
    }

    .navigation_m p a {
        padding: 0 5px;
    }

    .wind .ft-carousel .carousel-indicators span {
        width: 5px;
        height: 5px;
        margin: -6px 5px;
    }

    .wind .ft-carousel .carousel-btn {
        width: 32px;
        height: 32px;
        bottom: 18px;
    }

    .wind .ft-carousel .carousel-prev-btn {
        background: url(../images/mobile/375/prev.png) no-repeat;
    }

    .wind .ft-carousel .carousel-next-btn {
        background: url(../images/mobile/375/next.png) no-repeat;
    }

    .sound_sticky img {
        width: 100%;
    }

    .sound_sticky {
        height: 560px;
    }

    .sound_zhanwei {
        display: none;
    }

    .size_con h5 {
        font-size: 10px;
        line-height: 16px;
        padding: 15px 5% 25px 5%;
    }

    .size_con h4 {
        padding-top: 40px;
        font-size: 16px;
    }

    .size_con .size_box p {
        width: 37px;
        top: 54px;
    }

    .size_con .size_box p img {
        width: 100%;
        padding-top: 34px;
    }

    .size_con .example {
        width: calc(95% - 55px);
        margin-left: 55px;
        height: 180px;
    }

    .size_con .ft-carousel {
        height: inherit;
    }

    .size_con .carousel-indicators {
        width: 100%;
        height: 179px;
    }

    .size_con .ft-carousel .carousel-indicators span {
        height: 160px;
    }

    .size_con .ft-carousel .carousel-indicators::before {
        height: 1px;
        bottom: 55px;
    }

    .size_con .example h6 {
        right: 0%;
        font-size: 10px;
        bottom: 18px;
        line-height: 14px;
    }

    .electrical h3 {
        padding-left: 2%;
        padding-right: 2%;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(1) {
        background: url(../images/mobile/size-icon1.png) no-repeat center bottom;
        background-size: 23px 102px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(1).active {
        background: url(../images/mobile/size-icon1-1.png) no-repeat center bottom;
        background-size: 23px 102px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(2) {
        background: url(../images/mobile/size-icon2.png) no-repeat 22% bottom;
        background-size: 33px 123px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(2).active {
        background: url(../images/mobile/size-icon2-1.png) no-repeat 22% bottom;
        background-size: 33px 123px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(3) {
        background: url(../images/mobile/size-icon3.png) no-repeat 6% bottom;
        background-size: 40px 136px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(3).active {
        background: url(../images/mobile/size-icon3-1.png) no-repeat 6% bottom;
        background-size: 40px 136px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(4) {
        background: url(../images/mobile/size-icon4.png) no-repeat 15% bottom;
        background-size: 46px 157px;
    }

    .size_con .ft-carousel .carousel-indicators span:nth-child(4).active {
        background: url(../images/mobile/size-icon4-1.png) no-repeat 15% bottom;
        background-size: 46px 157px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(1) {
        background: url(../images/mobile/375/adap1.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(1).active {
        background: url(../images/mobile/375/adap1s.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(2) {
        background: url(../images/mobile/375/adap2.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(2).active {
        background: url(../images/mobile/375/adap2s.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(3) {
        background: url(../images/mobile/375/adap3.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(3).active {
        background: url(../images/mobile/375/adap3s.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(4) {
        background: url(../images/mobile/375/adap4.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel .carousel-indicators span:nth-child(4).active {
        background: url(../images/mobile/375/adap4s.png) no-repeat center;
        background-size: 93px 61px;
    }

    .Adaptation .ft-carousel {
        height: inherit;
    }

    .Adaptation .example {
        height: 340px;
    }

    .Adaptation .ft-carousel .carousel-indicators span {
        height: 75px;
    }

    .Adaptation .carousel-indicators {
        height: 75px;
    }

    .Adaptation .ft-carousel .carousel-inner {
        top: 90px;
    }

    .Adaptation {
        padding-bottom: 0px;
    }

    .Features_con img {
        width: 100%;
    }

    .Features {
        padding-top: 0px;
    }

    .icon-t2 {
        width: 95px;
    }

    .icon-t {
        width: 83px;
    }

    .sound_m_con .music {
        padding-top: 40px;
        width: 40px;
    }

    .sound_m_con h4 {
        padding-top: 20px;
        line-height: 18px;
        font-size: 16px;
    }

    .sound_m_con h5 {
        font-size: 10px;
        color: #333;
        font-family: 'Poppins-Regular';
        padding-top: 15px;
        padding-bottom: 37px;
        line-height: 16px;
    }

    .pro_m {
        width: 100%;
        overflow: hidden;
    }

    .pro_m .product_l {
        position: absolute;
        left: 50%;
        top: 105px;
        z-index: 2;
        color: #fff;
        font-size: 115px;
        transform: translate(-50%, -50%);
        transition: 0.1s;
        font-family: 'Poppins-Bold';
    }

    .pro_m .pro_img {
        width: 100%;
        margin: 0 auto;
        margin-top: 0px;
        position: relative;
    }

    .pro_m .product_r {
        width: 100%;
        text-align: center;
        left: 0%;
        top: 150px;
        display: flex;
        justify-content: center;
    }

    .pro_m .product_r h5 {
        font-size: 35px;
        line-height: 40px;
        padding-left: 10px;
    }

    .pro_m .product_r h4 {
        font-family: 'Poppins-Medium';
        font-size: 35px;
        line-height: 40px;
    }

    .voice h6 {
        font-size: 10px;
        line-height: 14px;
        padding: 15px 5% 0 5%;
    }

    .voice img {
        width: 80px;
    }

    .voice {
        padding: 50px 0 20px 0;
    }

    .navigation_m {
        padding: 37px 0 37px 0;
    }

    .wind .ft-carousel {
        height: inherit;
    }

    .wind .example {
        height: 420px;
    }

    .sound_m {
        width: 100%;
        overflow: hidden;
    }

    .sound_m_con {
        width: 90%;
        margin: 0 5%;
        margin-top: 50px;
        overflow: hidden;
    }

    .take {
        padding: 50px 0 20px 0;
    }

    .take img {
        width: 80px;
    }

    .take h3 {
        padding-top: 15px;
    }

    .take h6 {
        padding: 15px 5% 0 5%;
        line-height: 14px;
    }

    .size_con {
        margin-top: 50px;
        padding-bottom: 10px;
    }

    .electrical {
        padding: 15px 0 0 0;
    }

    .electrical img {
        width: 80px;
    }

    .electrical h6 {
        line-height: 16px;
        padding-top: 20px;
        padding-bottom: 15px;
    }

    .stand {
        padding: 50px 0 20px 0;
    }

    .stand img {
        width: 80px;
    }

    .stand h3 {
        padding-top: 15px;
    }

    .stand h6 {
        padding: 15px 5% 0 5%;
        line-height: 14px;
    }

    .electrical_r img {
        width: 100%;
        padding-top: 15px;
    }

    .Adaptation {
        padding: 50px 0 20px 0;
    }

    .Adaptation p img {
        width: 80px;
    }

    .Adaptation h3 {
        padding-top: 15px;
        padding-bottom: 0px;
    }

    .Adaptation h6 {
        padding: 15px 5% 10px 5%;
        line-height: 14px;
    }

    .Adaptation .ft-carousel {
        height: inherit;
    }

    .Features h3 {
        padding-top: 54px;
        padding-bottom: 35px;
    }

    .Features .Special_h3 {
        padding-top: 45px;
    }

    .Features_con h3 {
        padding: 20px 0 15px 0 !important;
        line-height: 20px;
    }

    .Features_con h6 {
        padding: 0 5%;
    }

    .Features_con {
        padding-bottom: 40px;
    }

    .Specification .font_SemiBold {
        padding: 40px 0 40px 0;
        line-height: 18px;
    }

    .panel-title a {
        font-size: 12px;
    }

    .panel-body ul li {
        font-size: 9px;
        line-height: 22px;
        min-height: 22px;
    }

    .Specification h6 {
        font-size: 8px;
        padding: 20px 0px 0 0px;
        line-height: 14px;
    }

    .Specification h6 a {
        font-size: 8px;
    }

    .wind .ft-carousel .carousel-prev-btn {
        margin-left: -70px;
    }

    .wind .ft-carousel .carousel-next-btn {
        margin-right: -70px;
    }

    .Specification .font_SemiBold {
        font-size: 24px;
        font-family: 'Poppins-Bold';
    }

    .panel-title p {
        width: 28px;
    }

    .panel-group .panel {
        padding: 18px 0;
    }

    .panel-body {
        padding-top: 0;
    }

    .panel-title p {
        /* background: url(../images/mobile/right.png) no-repeat center right; */
        background-size: 6px 10px;
        width: 28px;
        height: 10px;
    }

    .active .panel-title p {
        /* background: url(../images/mobile/down.png) no-repeat center right; */
        background-size: 10px 6px;
    }

    .image-container-mobile h3 {
        font-size: 80px;
    }

    .pro_m_box {
        height: 2000px;
    }

    .FeaturesNew_con h3 {
        padding-top: 15px;
        padding-bottom: 0px;
        font-size: 24px;
        line-height: 30px;
    }

    .FeaturesNew_con {
        padding-top: 50px;
    }

    .FeaturesNew_con img {
        max-width: 100%;
    }

    .FeaturesNew_con h6 {
        padding: 15px 5% 15px 5%;
        line-height: 14px;
    }

    .FeaturesNew_con_r .icon-t {
        width: 90px;
    }

    .FeaturesNew_con .icon-t3 {
        width: 75px;
        padding-top: 0;
    }

    .Features2 {
        padding-top: 30px;
    }

    .sleek h6 {
        line-height: 14px;
    }

    .sleek .sleek_t img {
        width: 80px;
    }

    .sleek {
        padding-top: 50px;
    }

    .sleek h6 {
        padding-top: 15px;
    }

    .sleek_con2 div:nth-child(1) img {
        max-width: 100%;
    }

    .sleek_con2 div:nth-child(2) {
        padding-top: 16px;
    }

    .sleek_con2 div:nth-child(2) img {
        width: calc(50% - 8px);
        margin: inherit;
    }

    #backToTop {
        position: fixed;
        bottom: 5%;
        right: 5%;
        background: url(../images/top.png) no-repeat;
        background-size: contain;
        width: 45px;
        height: 45px;
    }
}