* {
    margin: 0;
    padding: 0;
    font-family: Arial, Helvetica, sans-serif;
    box-sizing: border-box;
    transition: .3s;
}

img {
    max-width: 100%;
    display: block;
}

a {
    text-decoration: none;
    color: inherit;
}

input,
textarea {
    border: none;
    font-size: 14px;
}

textarea {
    resize: none;
}

input:focus,
textarea:focus {
    outline: none;
}

canvas {
    cursor: pointer;
}


.base-cont-box {
    width: 100%;
    max-width: 1400px;
    padding: 0 30px;
    margin: auto;
}

h2{
    font-size: 36px;
    font-weight: 400;
    text-transform: capitalize;
}

.banner{
    height: 100vh;
    width: 100%;
    background: url('../img/gas-steam-boiler-manufacturer.jpg') no-repeat top center;
    background-size: cover;
    box-sizing: border-box;
    overflow: hidden;
}

.banner .banner-box{
    height: 100vh;
    width: 100%;
    max-width: 1050px;
    margin: auto;
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    text-align: center;
}

.banner .banner-box h1{
    color: #fff;
    font-size: 48px;
    margin-bottom: 24px;
}

.banner .banner-box p{
    font-size: 24px;
    line-height: 1.5;
    color: #FFFFFF;
}
.banner .banner-box p b{
    color: #00E5FF;
}

.banner .banner-box .img-ls{
    width: 300px;
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 36px;
    margin-bottom: 60px;
}
.banner .banner-box .banner-btn .form-btn,
.banner .banner-box .banner-btn .wa-btn{
    display: block;
    padding: 18px 48px;
    background-color: #fff;
    border-radius: 60px;
    font-size: 16px;
    color: #01417A;
    cursor: pointer;
}
.banner .banner-box .banner-btn .form-btn:hover,
.banner .banner-box .banner-btn .wa-btn:hover{
    box-shadow: 0px 5px 16px 0px rgba(255,255,255,0.2);
    transform: scale(1.1);
}



.partners {
    margin-top: 120px;
    font-size: 36px;
}

.partners h2 {
    text-align: center;
    margin-bottom: 48px;
    font-weight: 400;
}

.partners .partners-ls {
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}
.partners .partners-ls img{
    max-width: 16%;
}

.certificate {
    margin-top: 120px;
}

.certificate .certificate-box {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.certificate .certificate-box .certificate-info {
    width: 480px;
}

.certificate .certificate-box .certificate-info h2 {
    font-weight: 400;
    margin-bottom: 24px;
}

.certificate .certificate-box .certificate-info p {
    font-size: 16px;
    color: #666;
    line-height: 1.5;
}
.certificate .certificate-box .certificate-info p b{
    color: #094A8D;
}


.certificate .certificate-box .mySwiper{
    width: calc(100% - 528px);
}
.certificate .certificate-box .certificate-ls {
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.certificate .certificate-box .certificate-ls .certificate-item {
    width: 19%;
    position: relative;
}
.certificate .certificate-box .certificate-ls .certificate-item .item-info{
    display: none;
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    justify-content: center;
    align-items: center;
    flex-direction: column;
    background-color: rgba(0,0,0,0);
    cursor: pointer;
    z-index: 10;
}

.certificate .certificate-box .certificate-ls .certificate-item .item-info p{
    font-size: 16px;
    font-weight: bold;
    margin-bottom: 12px;
    color: #fff;
}
.certificate .certificate-box .certificate-ls .certificate-item .item-info span{
    font-size: 14px;
    color: #fff;
    text-decoration: underline;
}
.certificate .certificate-box .certificate-ls .certificate-item:hover .item-info{
    display: flex;
    background-color: rgba(0,0,0,0.5);
}

.btn{
    margin-top: 48px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.btn .form-btn{
    cursor: pointer;
    padding: 18px 48px;
    background: #01417A;
    border-radius: 60px 60px 60px 60px;
    display: flex;
    justify-content: center;
    align-items: center;
    color: #fff;
    font-size: 16px;
    text-transform: capitalize;
}
.btn .form-btn:hover{
    transform: scale(1.1);
}

.product {
    margin-top: 120px;
}
.product .product-tit{
    display: flex;
    flex-direction: column;
    justify-content: center;
    align-items: center;
    max-width: 900px;
    margin: auto;
}

.product .product-tit h2{
    margin-bottom: 24px;
}

.product .product-tit p{
    font-size: 16px;
    color: #666;
    line-height: 1.5;
    margin-bottom: 12px;
    text-align: center;
}

.product .product-tit b{
    font-size: 16px;
    color: #094A8D;
    font-weight: bold;
}

.product .product-ls{
    margin-top: 48px;
    display: grid;
    grid-template-columns: repeat(3, 1fr);
	grid-column-gap: 36px;
	grid-row-gap: 48px;
}

.product .product-ls .product-item{
    box-shadow: 0px 5px 16px 0px rgba(0,0,0,0.1);
    padding-bottom: 24px;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}

.product .product-ls .product-item .btn{
    display: flex;
    justify-content: space-evenly;
    align-items: center;
    padding: 0 12px;
}
.product .product-ls .product-item .btn .wa-btn{
    padding: 10px 16px;
    border-radius: 36px;
    color: #25d366;
    text-align: center;
    border: 1px solid #25d366;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product .product-ls .product-item .btn .mail-btn{
    padding: 10px 16px;
    border-radius: 36px;
    background-color: #094A8D;
    color: #fff;
    text-align: center;
    border: 1px solid #094A8D;
    font-size: 14px;
    display: flex;
    justify-content: center;
    align-items: center;
}
.product .product-ls .product-item .btn .wa-btn img,
.product .product-ls .product-item .btn .mail-btn img{
    width: 18px;
    margin-right: 8px;
}
.product .product-ls .product-info{
    margin-top: 24px;
    padding: 0 24px;
}
.product .product-ls .product-info h3{
    font-size: 22px;
    line-height: 1.5;
    font-weight: 400;
}
.product .product-ls .product-info>p{
    font-size: 18px;
    color: #333;
    margin-top: 16px;
    text-transform: capitalize;
    line-height: 1.5;
}
.product .product-ls .product-param{
    padding: 0 12px;
}
.product .product-ls .product-param p{
    font-size: 18px;
    color: #01417A;
    margin-top: 12px;
    margin-left: 12px;
    
}

.product .product-ls .btn{
    margin-top: 24px;
}


.product-advantages{
    margin-top: 120px;
}
.product-advantages h2{
    margin-bottom: 48px;
    text-align: center;
}


.product-advantages .product-tab{
    display: flex;
    justify-content: center;
    align-items: center;
    border-bottom: 2px solid #094A8D;
    width: 100%;

    margin: auto;
}
.product-advantages .product-tab .tab-item{
    width: 25%;
    text-align: center;
    padding: 24px;
    cursor: pointer;
    border-radius: 6px 6px 0px 0px;
}
.product-advantages .product-tab .tab-item.active{
    background-color: #01417A;
    opacity: 1 !important;
    color: #fff;
}

.product-advantages .product-tab .tab-item:hover{
    background-color: #01417A;
    opacity: 0.4;
    color: #fff;
}

.product-advantages .product-advantages-ls{
    margin-top: 60px;
}
.product-advantages .product-advantages-ls .product-advantage-item{
    display: none;
    justify-content: space-between;
    align-items: center;
    flex-direction: row-reverse;
}

.product-advantages .product-advantages-ls .product-advantage-item.active{
    display: flex;
}

.product-advantages .product-advantages-ls .advantage-item-img{
    background-color: #999;
    box-shadow: 0px 5px 10px 0px rgba(0,0,0,0.1);
}

.product-advantages .product-advantages-ls .advantage-item-info,
.product-advantages .product-advantages-ls .advantage-item-img{
    width: calc(50% - 24px);
}
.product-advantages .product-advantages-ls .advantage-item-img img{
    width: 100%;
}
.product-advantages .product-advantages-ls h3{
    font-size: 24px;
    font-weight: 400;
    margin-bottom: 24px;
}

.product-advantages .product-advantages-ls p{
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    margin-top: 8px;
}
.product-advantages .product-advantages-ls .form-btn{
    color: #fff;
}
.who-are-we{
    margin-top: 120px;
}
.who-are-we .who-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.who-are-we .who-box .vr-box,
.who-are-we .who-box .who-info{
    width: calc(50% - 24px);
}

.who-are-we .who-box .vr-box iframe{
    width: 100%;
    height: 100%;
    min-height: 450px;
}

.who-are-we .who-box .who-info h2{
    color: #01417A;
    font-weight: bold;
    margin-bottom: 24px;
}
.who-are-we .who-box .who-info>p{
    font-size: 18px;
    color: #333;
    line-height: 1.5;
}
.who-are-we .who-box .who-info>p b{
    color: #094A8D;
}

.who-are-we .who-box .who-info .us-info{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 24px;
}
.who-are-we .who-box .who-info .us-info .us-item p{
    font-size: 36px;
    color: #01417A;
    font-weight: bold;
}
.who-are-we .who-box .who-info .us-info .us-item span{
    display: block;
    font-size: 18px;
    text-align: center;
    margin-top: 12px;
}


.choose-us{
    margin-top: 120px;
}
.choose-us h2{
    text-align: center;
}
.choose-us .tit-info{
    max-width: 1000px;
    margin: auto;
    margin-top: 24px;
    text-align: center;
    line-height: 1.5;
    color: #094A8D;
}

.choose-us .choose-tab-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-top: 48px;
}

.choose-us .choose-tab-box .next-prev{
    display: flex;
    justify-content: center;
    align-items: center;
    margin-top: 36px;
    user-select: none;
}
.choose-us .choose-tab-box .next-prev img{
    margin: auto;
}
.choose-us .choose-tab-box .next-prev .video-prev,
.choose-us .choose-tab-box .next-prev .video-next{
    background-color: #094A8D;
    cursor: pointer;
    max-width: 48px;
    margin: 0 16px;
    overflow: hidden;
    border-radius: 6px;
    padding: 12px;
    opacity: 0.7;
}
.choose-us .choose-tab-box .next-prev .video-prev:hover,
.choose-us .choose-tab-box .next-prev .video-next:hover{
    opacity: 1;
}
.choose-us .choose-tab-box .next-prev .video-prev img{
    transform: scaleX(-1);
}

.choose-us .choose-tab-box .videoSwiper{
    width: 100%;
}

.choose-us .choose-tab-box .video-box{
    width: 100%;
    height: 280px;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}
.choose-us .choose-tab-box .video-box img,
.choose-us .choose-tab-box .video-box iframe{
    width: 100%;
    height: 100%;
    display: block; 
    object-fit: cover;
}

.choose-us .choose-tab-box h3{
    font-size: 18px;
    margin-top: 12px;
    margin-bottom: 12px;
}
.choose-us .choose-tab-box p{
    margin-top: 12px;
    line-height: 1.5;
}

.choose-us .choose-tab-box span{
    display: inline-block;
    padding: 6px;
    font-size: 14px;
    border-radius: 6px;
}
.choose-us .choose-tab-box span.choose-1{
    background-color: #2dc45f;
    color: #fff;
}
.choose-us .choose-tab-box span.choose-2{
    background-color: #2d99c4;
    color: #fff;
}
.choose-us .choose-tab-box span.choose-3{
    background-color: #a3c42d;
    color: #fff;
}
.choose-us .choose-tab-box span.choose-4{
    background-color: #2d62c4;
    color: #fff;
}
.choose-us .choose-tab-box span.choose-5{
    background-color: #56910a;
    color: #fff;
}
.choose-us .choose-tab-box span.choose-6{
    background-color: #0bc2a9;
    color: #fff;
}
.contact-us{
    margin-top: 120px;
    padding-bottom: 60px;
}

.contact-us .form-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
    max-width: 1200px;
    width: 100%;
    margin: auto;
}

.contact-us .form-box .form-info{
    width: calc(50% - 24px);
}
.contact-us .form-box .form-info h3{
    font-size: 36px;
    color: #094A8D;
    margin-bottom: 48px;
}
.contact-us .form-box .form-info ul{
    padding-left: 36px;
}
.contact-us .form-box .form-info li{
    font-size: 16px;
    line-height: 1.5;
    color: #333;
    margin-top: 12px;
    padding-left: 12px;
}

.contact-us .form-box .form-info .logo-ls{
    margin-top: 60px;
    display: grid;
    grid-template-columns: repeat(4, 1fr);
	grid-column-gap: 36px;
	grid-row-gap: 36px;
}

.contact-us .form-box .form-input-ls{
    width: calc(50% - 24px);
    border: 1px solid #dcdfec;
    box-shadow: 0px 5px 16px 0px rgba(0,0,0,0.06);
    border-radius: 6px;
    padding: 32px;
}

.contact-us .form-box .form-input-ls form{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}


.contact-us .form-box .form-input-ls .input-box {
    width: calc(50% - 12px);
    margin-bottom: 24px;
}
.contact-us .form-box .form-input-ls .input-box.input-email{
    width: 100%;
}
.contact-us .form-box .form-input-ls .input-box input{
    width: 100%;
    height: 46px;
    border-radius: 6px;
    border: 1px solid #c5c7d0;
    padding: 0 12px;
}

.contact-us .form-box .form-input-ls .input-box input:focus{
    border: 1px solid #094A8D ;
}
.contact-us .form-box .form-input-ls .input-text{
    width: 100%;
}
.contact-us .form-box .form-input-ls .input-text textarea{
    width: 100%;
    border-radius: 6px;
    border: 1px solid #c5c7d0;
    padding: 12px;
    height: 92px;
    resize: none;
}

.contact-us .form-box .form-input-ls .input-text textarea:focus{
    border: 1px solid #094A8D ;
}

.contact-us .form-box .form-input-ls .input-submit{
    margin-top: 24px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.contact-us .form-box .form-input-ls .input-submit .input-code{
    width: 60%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #c5c7d0;
    border-radius: 6px;
    overflow: hidden;
}
.contact-us .form-box .form-input-ls .input-submit .input-code input{
    padding: 0 12px;
    width: calc(100% - 100px);
    height: 46px;
}
.contact-us .form-box .form-input-ls .input-submit .input-code canvas{
    width: 100px;
}
.contact-us .form-box .form-input-ls .input-submit .input-btn{
    width: calc(40% - 24px);
    height: 46px;
    background-color: #094A8D;
    color: #fff;
    cursor: pointer;
    border-radius: 6px;
}




.data-para{
    width: 100%;
}
.data-para table{
    width: 100%;
    background-color: #fff;
    position: relative;
    font-size: 16px;
    height: auto;
    overflow: hidden;
}
.data-para table thead{
    background: linear-gradient(90deg, rgb(1, 65, 122,0.9), #01417A);
    color: #fff;
}
.data-para table th{
    vertical-align: middle;
    text-align: center;
    padding: 15px;
    border-top: 1px solid #e7e7e7;
    border-bottom: 1px solid #fff;
    border-left: 1px solid #e7e7e7;
    border-right: 1px solid #e7e7e7;
}
.data-para table tr td{
    text-align: center;
    padding: 15px 10px;
    vertical-align: middle;
    border: 1px solid #e7e7e7;
}
.data-para table tr:hover td{
    background-color: #c5c7d0;
}


.certificate-pop{
    position: fixed;
    left: 0;
    top: 0;
    z-index: 9999;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    background-color: rgba(0,0,0,0.5);
}
.certificate-pop .certificate-box{
    width: calc(100% - 30px);
    margin: auto;
    max-width: 650px;
    position: relative;
    z-index: 3;
}
.certificate-pop .close-pop{
    position: absolute;
    z-index: 2;
    width: 100%;
    height: 100%;
}
.certificate-pop .certificate-box .swiper-slide{
    padding: 0 50px;
}
.certificate-pop .certificate-box .swiper-slide img{
    border-radius: 15px;
}


.go-top{
    width: 36px;
    height: 36px;
    position: fixed;
    right: 24px;
    bottom: 160px;
    z-index: 9999;
    overflow: hidden;
    border-radius: 60px;
    background-color: #094A8D;
    padding: 8px;
    cursor: pointer;
}
.go-top img{
    transform: rotate(-90deg);
}

.nav-top{
    position: fixed;
    top: 0;
    left: 0;
    width: 100%;
    height: 80px;
    background-color: #fff;
    z-index: 99999;
}

.nav-top .nav-box{
    width: 100%;
    height: 80px;
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-top .nav-box .logo-box{
    width: 180px;
}
.nav-top .nav-box .cont-box{
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.nav-top .nav-box .cont-box a{
    display: flex;
    justify-content: space-between;
    align-items: center;
    padding: 12px 24px;
    border-radius: 6px;
}
.nav-top .nav-box .cont-box a.wa-btn{
    background-color: #fff;
    border: 1px solid #25d366;
    color: #25d366;
}
.nav-top .nav-box .cont-box a.mail-btn{
    background-color: #094A8D;
    border: 1px solid #094A8D;
    color: #fff;
    margin-left: 24px;
}
.nav-top .nav-box .cont-box a img{
    width: 24px;
    margin-right: 12px;
}

.pop-form {
    position: fixed;
    left: 0;
    top: 0;
    z-index: 99999;
    width: 100%;
    height: 100%;
    display: none;
    justify-content: center;
    align-items: center;
    background-color: rgba(0,0,0,0.5);
}
.pop-form .form-box{
    display: flex;
    z-index: 3;
    justify-content: center;
    align-items: center;
    width: calc(50% - 24px);
    border: 1px solid #dcdfec;
    box-shadow: 0px 5px 16px 0px rgba(0,0,0,0.06);
    border-radius: 6px;
    padding:48px 32px;
    background-color: #FFFFFF;
}

.pop-form .form-input-ls{
    display: flex;
    justify-content: center;
    align-items: center;
    flex-direction: column;
}
.pop-form .form-input-ls h3{
    text-align: center;
    margin-bottom: 48px;
}
.pop-form .form-input-ls form{
    display: flex;
    justify-content: space-between;
    align-items: center;
    flex-wrap: wrap;
}


.pop-form .form-input-ls .input-box {
    width: calc(50% - 12px);
    margin-bottom: 24px;
}
.pop-form .form-input-ls .input-box.input-email{
    width: 100%;
}
.pop-form .form-input-ls .input-box input{
    width: 100%;
    height: 46px;
    border-radius: 6px;
    border: 1px solid #c5c7d0;
    padding: 0 12px;
}

.pop-form .form-input-ls .input-box input:focus{
    border: 1px solid #094A8D ;
}
.pop-form .form-input-ls .input-text{
    width: 100%;
}
.pop-form .form-input-ls .input-text textarea{
    width: 100%;
    border-radius: 6px;
    border: 1px solid #c5c7d0;
    padding: 12px;
    height: 92px;
    resize: none;
}

.pop-form .form-input-ls .input-text textarea:focus{
    border: 1px solid #094A8D ;
}

.pop-form .form-input-ls .input-submit{
    margin-top: 24px;
    width: 100%;
    display: flex;
    justify-content: space-between;
    align-items: center;
}

.pop-form .form-input-ls .input-submit .input-code{
    width: 60%;
    display: flex;
    justify-content: space-between;
    align-items: center;
    border: 1px solid #c5c7d0;
    border-radius: 6px;
    overflow: hidden;
}
.pop-form .form-input-ls .input-submit .input-code input{
    padding: 0 12px;
    width: calc(100% - 100px);
    height: 46px;
}
.pop-form .form-input-ls .input-submit .input-code canvas{
    width: 100px;
}
.pop-form .form-input-ls .input-submit .input-btn{
    width: calc(70% - 24px);
    height: 46px;
    background-color: #094A8D;
    color: #fff;
    cursor: pointer;
    border-radius: 6px;
}

.pop-form .close-pop{
    position: absolute;
    z-index: 2;
    width: 100%;
    height: 100%;
}

@media (max-width:1400px) {
    .certificate .certificate-box .certificate-ls .certificate-item{
        width: 24%;
    }
    .certificate .certificate-box .certificate-ls .certificate-item:last-child{
        display: none;
    }
    .certificate .certificate-box .certificate-info{
        width: 300px;
    }
    .certificate .certificate-box .mySwiper{
        width: calc(100% - 336px);
    }
    .product .product-ls .product-item .btn{
        flex-direction: column;
        margin-top: 12px;
    }
    .product .product-ls .product-item .btn .wa-btn,
    .product .product-ls .product-item .btn .mail-btn{
        width: 100%;
        max-width: 240px;
        margin-top: 12px;
    }
}

@media (max-width:1200px){
    .pop-form .form-box{
        width: 60%;
    }
    .contact-us .form-box .form-input-ls .input-box{
        width: 100%;
    }

    .product .product-ls{
        grid-column-gap: 24px;
        grid-row-gap: 36px;
    }
    .product .product-ls .product-info h3{
        font-size: 18px;
    }
    .product .product-ls .product-param p{
        font-size: 16px;
        margin-top: 8px;
    }
    .product .product-ls .product-info>p{
        font-size: 16px;
    }
    .btn .form-btn{
        font-size: 14px;
        padding: 14px 36px;
    }

    .product-advantages .product-advantages-ls h3{
        font-size: 18px;
    }
    .product-advantages .product-advantages-ls p{
        font-size: 14px;
    }
}

@media (max-width:1000px){
    .certificate{
        margin-top: 100px;
    }
    .contact-us .form-box .form-info li{
        font-size: 14px;
    }

    .product .product-ls .product-info{
        padding: 0 16px;
    }
    .product .product-ls{
        grid-template-columns: repeat(2, 1fr);
    }
    .pop-form .form-input-ls h3{
        margin-bottom: 24px;
    }
    .pop-form .form-input-ls .input-box{
        width: 100%;
    }

    .who-are-we .who-box .who-info .us-info .us-item p{
        font-size: 24px;
    }
    .who-are-we .who-box .who-info .us-info .us-item span{
        font-size: 14px;
    }
}

@media (max-width:750px){
    h2{
        font-size: 24px;
        text-align: center;
    }
    .base-cont-box{
        padding: 0 15px;
    }
    .partners,
    .certificate,
    .product,
    .product-advantages,
    .who-are-we,
    .choose-us,
    .contact-us{
        margin-top: 60px;
    }
    .partners h2{
        margin-bottom: 24px;
    }
    .partners .partners-ls img{
        max-width: 32%;
        width: 32%;
        margin-bottom: 24px;
    }

    .btn{
        margin-top: 24px;
    }
    .btn .form-btn{
        padding: 12px 24px;
        font-size: 14px;
    }


    .banner .banner-box h1{
        font-size: 24px;
    }
    .banner .banner-box p{
        font-size: 16px;
    }

    .banner .banner-box .banner-btn .form-btn{
        font-size: 14px;
        padding: 12px 24px;
    }

    .certificate .certificate-box{
        flex-direction: column;
    }
    .certificate .certificate-box .certificate-info h2{
        text-align: center;
    }
    .certificate .certificate-box .certificate-info{
        width: 100%;
        margin-bottom: 24px;
    }
    .certificate .certificate-box .mySwiper{
        width: 100%;
    }


    .product .product-tit p{
        font-size: 12px;
        text-align: center;
    }
    .product .product-tit b{
        text-align: center;
        font-size: 14px;
    }
    .product .product-ls{
        grid-column-gap: 12px;
        grid-row-gap: 12px;
        grid-template-columns: repeat(1, 1fr);
    }
    .product .product-ls .product-info h3{
        font-size: 16px;
    }
    .product .product-ls .product-param p,
    .product .product-ls .product-info>p{
        font-size: 12px;
    }

    .product-advantages h2{
        margin-bottom: 24px;
    }
    .product-advantages .product-tab .tab-item{
        width: 33.33%;
        padding: 12px;
        font-size: 12px;
    }
    .product-advantages .product-advantages-ls{
        margin-top: 24px;
    }
    .product-advantages .product-advantages-ls .product-advantage-item{
        flex-direction: column-reverse;
    }
    .product-advantages .product-advantages-ls .advantage-item-info, .product-advantages .product-advantages-ls .advantage-item-img{
        width: 100%;
    }
    .product-advantages .product-advantages-ls .advantage-item-info{
        margin-top: 16px;
    }
    .product-advantages .product-advantages-ls h3{
        font-size: 16px;
        margin-bottom: 12px;
    }

    .who-are-we .who-box{
        flex-direction: column;
    }
    .who-are-we .who-box .vr-box, .who-are-we .who-box .who-info{
        width: 100%;
    }
    .who-are-we .who-box .who-info p{
        font-size: 14px;
        text-align: center;
    }
    .who-are-we .who-box .vr-box{
        margin-top: 24px;
    }
    .who-are-we .who-box .vr-box iframe{
        height: 300px;
        min-height: unset;
    }
    .choose-us .tit-info{
        font-size: 14px;
    }

    .choose-us .choose-tab-box .video-box{
        height: 200px;
    }
    .choose-us .choose-tab-box h3{
        font-size: 16px;
    }
    .choose-us .choose-tab-box p{
        font-size: 14px;
    }
    .choose-us .choose-tab-box .next-prev{
        margin-top: 18px;
    }
    .choose-us .choose-tab-box .next-prev .video-prev, .choose-us .choose-tab-box .next-prev .video-next{
        max-width: 36px;
    }
    .contact-us .form-box{
        flex-direction: column-reverse;
    }

    .contact-us .form-box .form-info{
        width: 100%;
        margin-top: 24px;
        padding-bottom: 60px;
    }
    .contact-us .form-box .form-info h3{
        font-size: 18px;
        text-align: center;
        margin-bottom: 18px;
    }
    .contact-us .form-box .form-input-ls{
        width: 100%;
    }
    .contact-us .form-box .form-info .logo-ls{
        margin-top: 36px;
        grid-template-columns: repeat(3, 1fr);
    }

    .contact-us .form-box .form-input-ls{
        padding: 24px;
    }
    .contact-us .form-box .form-input-ls .input-box{
        margin-bottom: 12px;
    }
    .contact-us .form-box .form-input-ls .input-submit{
        margin-top: 12px;
    }
    .contact-us .form-box .form-input-ls .input-box input{
        height: 36px;
    }

    .go-top{
        right: 15px;
        bottom: 180px;
    }

    .nav-top .nav-box .logo-box{
        display: none;
    }
    .nav-top{
        top: unset;
        bottom: 0;
    }
    .nav-top .nav-box .cont-box{
        width: 100%;
    }
    .nav-top .nav-box .cont-box a.wa-btn,
    .nav-top .nav-box .cont-box a.mail-btn{
        flex-direction: column;
        padding: 8px;
        width: calc(50% - 8px);
        justify-content: center;
        align-items: center;
        margin: 0;
    }
    .nav-top .nav-box .cont-box a img{
        margin-right: 0;
        margin-bottom: 8px;
    }
    .nav-top .nav-box .cont-box a span{
        font-size: 12px;
    }


    .pop-form .form-box{
        width: calc(100% - 30px);
        padding: 12px;
    }
    .pop-form .form-input-ls .input-box{
        margin-bottom: 8px;
    }
    .pop-form .form-input-ls .input-submit{
        margin-top: 12px;
    }
    .pop-form .form-input-ls .input-box input{
        height: 30px;
    }
    .pop-form .form-input-ls .input-submit .input-btn{
        width: calc(70% - 12px);
    }

    .product .product-ls .product-item img{
        width: 80%;
        margin: auto;
    }
    .product .product-ls .product-item .btn .wa-btn img, .product .product-ls .product-item .btn .mail-btn img{
        margin: unset;
        margin-right:8px ;
    }
}