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

.section-faq {
    padding: 120px 0 0;
}

.section-faq .faq-container {
    margin-top: 50px;
}

.faq-layout {
    display: none;
    align-items: flex-start;
    justify-content: space-between;

}
.section-how.active,
.faq-layout.active {
    display: flex;
    animation: fadeInUpSmall 0.3s ease-in-out;
}
.section-how.active{
    display:block;
}
.faq-image {
    position: sticky;
    top: 131px;
    width: 33.75%;
    border-radius: 20px;
    overflow: hidden;
    z-index: 4;
}

.faq-image img {
    width: 100%;
    height: auto;
    display: block;
}

.faq-content {
    width: 62%;
}

.faq-content .item:not(:last-child) {
    margin-bottom: 45px;
}

.accordion-item {
    border-bottom: 1px solid #eee;
}

.faq-content h3 {
    /* font-weight: bold; */
    font-size: 20px;
    color: #000000;
    line-height: 24px;
    margin-bottom: 6px;
    font-family: 'Poppins-Medium';
}

.accordion-header {
    position: relative;
    padding: 20px 0;
    cursor: pointer;
    display: flex;
    justify-content: space-between;
    align-items: center;
    font-weight: 400;
    font-size: 16px;
    color: #3B3E40;
    line-height: 24px;
    transition: color 0.3s;
    padding-right: 31px !important;
}

.accordion-header:hover {
    color: #000;
}

.accordion-header .iconfont {
    position: absolute;
    right: 0;
    top: 50%;
    transform: translateY(-50%);
    font-size: 20px;
    font-weight: bold;
    color: rgba(59, 62, 64, 1);
}

.accordion-body {
    display: none;
    overflow: hidden;
    transition: max-height 0.3s ease-out;
    font-weight: 400;
    font-size: 14px;
    color: #666666;
    line-height: 24px;
}

.accordion-body p {
    padding-bottom: 20px;
}

.section-title {
    color: #000000;
    line-height: 1;
    text-align: center;
}

.toggle-buttons {
    display: flex;
    justify-content: center;
    gap: 20px;
    margin-top: 30px;
}

.btn-toggle {
    line-height: 53px;
    padding: 0 29px;
    border-radius: 30px;
    font-weight: 500;
    font-size: 14px;
    color: #000000;
    cursor: pointer;
    border: 2px solid #000;
    transition: all 0.3s;
    text-transform: uppercase;
    font-family: 'Poppins-Medium';
}

.btn-toggle:hover,
.btn-toggle.active {
    background-color: #000;
    color: rgba(59, 255, 217, 1);
}

.faq-content1 {
    width: 44.43%;
    align-self: center;
}

.faq-image1 {
    width: 50%;
}

.section-how {
    padding: 120px 0 0;
    background-color: #fff;
    display: none;
}

.steps-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
    margin-top: 46px;
}

.step-card {
    background: #F1F1F1;
    border-radius: 20px;
    padding: 36px 30px 65px;
    text-align: center;
}

.step-card .picCover {
    padding-top: 95.82%;
}

.firmware-card .picCover img,
.step-card .picCover .pic img {
    width: auto;
    height: auto;
    max-width: 100%;
    max-height: 100%;
}

.step-card h4 {
    font-weight: 500;
    font-size: 22px;
    color: #000000;
    line-height: 30px;
    margin-top: 27px;
    text-align: center;
    font-family: 'Poppins-Medium';
}

.step-card ul {
    text-align: left;
    padding-left: 1em;
    margin-top: 12px;
}

.step-card li {
    font-weight: 400;
    font-size: 15px;
    color: #666666;
    line-height: 24px;
    list-style-type: disc;
}

.step-card li:not(:last-child) {
    margin-bottom: 8px;
}

.section-firmware {
    padding: 120px 0;
    text-align: center;
}

.firmware-subtitle {
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 24px;
    text-align: center;
    margin-top: .7em;
}

.firmware-subtitle a {
    text-decoration: underline;
    color: #666;
}

.firmware-grid {
    display: grid;
    grid-template-columns: repeat(5, 1fr);
    gap: 20px;
    margin-top: 45px;
}

.firmware-card {
    background: #F3F3F3;
    border-radius: 20px;
    padding: 0 0 30px;
}

.firmware-card .picCover {
    padding-top: 61.38%;
}

.firmware-card .picCover img {}

.firmware-card h4 {
    font-weight: 500;
    font-size: 22px;
    color: #000000;
    line-height: 30px;
    /* margin-top: 15px; */
    text-align: center;
    font-family: 'Poppins-Medium';
}

.firmware-card span {
    display: block;
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 24px;
    text-align: center;
    margin-top: .5em;
}

.section-firmware .btn-black {
    display: inline-block;
    margin-top: 40px;
    line-height: 57px;
    background: #000000;
    border-radius: 29px;
    padding: 0 41px;
    transition: all 0.3s;
    font-weight: 500;
    font-size: 14px;
    color: #3BFFD9;
    font-family: 'Poppins-Medium';
}

.section-firmware .btn-black:hover {
    opacity: 0.8;
}

.section-contact {
    padding-bottom: 120px;
}

.section-contact .contact-desc {
    font-weight: 400;
    font-size: 16px;
    color: #666666;
    line-height: 24px;
    margin: 1em auto 0;
    width: 820px;
    max-width: 100%;
    text-align: center;
}

.section-contact .contact-form {
    width: 100%;
    margin-top: 55px;
}

.section-contact .contact-form .form-row {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 18px;
    margin-bottom: 18px;
}

.section-contact .contact-form textarea,
.section-contact .contact-form select,
.section-contact .contact-form input {
    display: block;
    width: 100%;
    background-color: #FBFBFB;
    border-radius: 10px;
    border: 1px solid #E6E6E6;
    padding: 17px 20px;
    font-weight: 400;
    font-size: 16px;
    color: rgba(143, 143, 144, 1);
    outline: none;
}

.section-contact .contact-form textarea {
    height: 128px;
    resize: none;
}

.section-contact .contact-form select {
    appearance: none;
    background-image: url(../img/arrow.png);
    background-repeat: no-repeat;
    background-size: 12px 7px;
    background-position: right 20px center;
}

.section-contact .contact-form textarea::placeholder,
.section-contact .contact-form input::placeholder {
    color: #8F8F90;
    font-family: Poppins;
}

.section-contact .contact-form .textarea-group {
    grid-column: 1/3;
}

.section-contact .contact-form .btn-submit {
    margin-top: 15px;
    display: inline-block;
    width: 344px;
    line-height: 66px;
    background: #000000;
    border-radius: 10px;
    text-align: center;
    font-weight: 400;
    font-size: 18px;
    color: #3BFFD9;
    cursor: pointer;
    transition: all 0.3s;
}

.section-contact .contact-form .btn-submit:hover {
    opacity: 0.8;
}

.search-section {
    padding: 110px 0 64px;
    display: flex;
    justify-content: center;
}

.search-wrapper {
    display: flex;
    width: 700px;
    background: #F5F5F5;
    border-radius: 4px;
    overflow: hidden;
    max-width: 94%;
    background: #F2F2F2;
    border-radius: 6px;
    padding-left: 24px;
}

.search-wrapper .icon-sousuo {
    align-self: center;
    color: rgba(21, 21, 21, 1);
}

.search-wrapper input {
    flex: 1;
    padding: 24px 15px;
    border: none;
    background: transparent;
    outline: none;
    font-size: 16px;
    color: #333;
    font-family: Poppins;
}

.search-wrapper input:placeholder {
    color: rgba(63, 63, 63, 1);
}

.search-btn {
    background: #000;
    border: none;
    /* font-weight: 600; */
    cursor: pointer;
    width: 146px;
    text-align: center;
    color: rgba(59, 255, 217, 1);
    font-size: 18px;
    font-family: 'Poppins-SemiBold';
}

.product-select-section {
    text-align: center;
    /* margin-bottom: 40px; */
}

.section-header {
    text-transform: uppercase;
}

.category-icons {
    display: flex;
    justify-content: center;
    flex-wrap: wrap;
    gap: 80px;
    margin-top: 51px;
}

.category-item {
    display: flex;
    flex-direction: column;
    align-items: center;
    cursor: pointer;
    transition: 0.3s;
}



.category-item .icon {
    height: 70px;
    display: flex;
    justify-content: center;
    align-items: center;
}

.category-item .icon img {
    max-width: 100%;
    max-height: 100%;
}

.category-item span {
    /* font-weight: 500; */
    font-size: 18px;
    color: #000000;
    font-family: 'Poppins-Medium';
    line-height: 30px;
    margin-top: 24px;
    transition: all 0.3s;
}

.category-item:hover span,
.category-item.active span {
    color: rgba(59, 255, 217, 1);
}

.divider-line {
    height: 2px;
    background: rgba(0, 0, 0, 1);
    margin-top: 30px;
}

.product-selector {
    padding-bottom: 0 !important;
}

.section-faq .btn-learn-more {
    display: flex;
    align-items: center;
    justify-content: center;
    line-height: 57px;
    background: #000000;
    border-radius: 29px;
    margin: 44px auto 0;
    font-weight: 500;
    font-size: 14px;
    color: #3BFFD9;
    width: 168px;
    padding: 0 20px;
    gap: 8px;
    font-family: 'Poppins-Medium';
    transition: all 0.3s;
}
.section-faq .btn-learn-more:hover{
    background-color: #3BFFD9;
    color: #000;
}
.section-faq .btn-learn-more .iconfont{
    transition:all .6s;
}
.section-faq .btn-learn-more:hover .iconfont{
    transform:rotate(45deg)
}
.video-section {
    padding: 120px 0;
    text-align: center;
}

.video-container {
    background-color: #000;
    border-radius: 20px;
    overflow: hidden;
    /* height: 500px; */
    position: relative;
    margin-top: 50px;
}
.video-section .caseVideo-gallery .swiper{
    height: 548px;
}
.video-section .caseVideo-gallery .gallery-more{
    height:100%;
}        
.video-section .caseVideo-gallery .swiper-slide .pic{
    position: relative;
    border-radius: 20px;
    overflow: hidden;
    height: 100%;
}
.video-section .caseVideo-gallery .swiper-slide .pic img{
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.video-section .caseVideo-gallery .swiper-slide .pic::before{
    position: absolute;
    content: "";
    left: 0;
    top: 0;
    width: 100%;
    height: 100%;
    background: linear-gradient(to right,rgba(0, 0, 0, 0),rgba(0, 0, 0, 1));
}
.video-section .caseVideo-gallery .swiper-slide .gallery-more .btn{
    position: absolute;
    top: 50%;
    left: 36%;
    transform: translateY(-50%);
    cursor: pointer;
}
.video-section .caseVideo-gallery .swiper-slide .gallery-more .btn .iconfont{
    font-size: 70px;
    color: #fff;
}
.video-container .caseVideo-thumbs{
    position: absolute;
    right: 179px;
    top: 0;
    height: 100%;
}
.video-container .caseVideo-thumbs .swiper{
    height: 100%;
    overflow: visible;
}
.video-container .caseVideo-thumbs .swiper-slide{
    width: 285px;
height: 163px;
opacity: .4;
}
.video-container .caseVideo-thumbs .swiper-slide-active{
    opacity: 1;
    
}
.video-container .caseVideo-thumbs .swiper-slide a{
    display: block;
    transform-origin: right center;
    border: 1px solid transparent;
    transition: all .6s;
    overflow: hidden;
    border-radius: 20px;
}
.video-container .caseVideo-thumbs .swiper-slide-active a{
    border-color: RGBA(59, 255, 217, 1);
    transform: scale(1.347);
}
.video-container .caseVideo-thumbs .swiper-slide .pic img,
.video-container .caseVideo-thumbs .swiper-slide a,
.video-container .caseVideo-thumbs .swiper-slide .pic{
    width: 100%;
    height: 100%;
}
.video-container .caseVideo-thumbs .swiper-slide .pic img{
    object-fit: cover;
}
.video-container .caseVideo-thumbs .swiper-slide .title {
    position: absolute;
    left: 0;
    bottom: 19px;
    width: 100%;
    padding: 0 20px;
    /* font-weight: 600; */
    font-size: 14px;
    color: #FFFFFF;
    line-height: 18px;
    z-index: 3;
    text-align: left;
    font-family: 'Poppins-SemiBold';
}
.video-container .caseVideo-menu{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    right: 80px;
    height: 320px;
    max-height: 100%;
    padding: 15px 0;
    z-index: 3;
    display: flex;
    flex-direction: column;
    justify-content: space-between;
}
.video-container .caseVideo-menu .btn{
    color: RGBA(49, 213, 181, 1);
    cursor: pointer;
}
.video-container .swiper-pagination .swiper-pagination-bullet{
    width: 10px;
height: 10px;
background: rgba(68,68,68,0);
border-radius: 50%;
border: 1px solid RGBA(59, 255, 217, 1);
opacity: 1;
margin: 10px 0;
}
.video-container .swiper-pagination-vertical.swiper-pagination-bullets, .swiper-vertical>.swiper-pagination-bullets{
    position: relative;
    right: auto;
    top: 0;
    transform: translate3d(0px,0,0);
}
.video-container .swiper-pagination .swiper-pagination-bullet-active{
    background: rgba(59, 255, 217, 1);
}
.video-modal .video-content{
    padding: 0 50px;
}
.video-modal .swiper-slide{
    position: relative;
}
.video-modal .swiper-slide video{
    max-height: 82vh;
    width: 100%;
    display: block;
    object-fit: cover;
}
.video-modal .swiper-slide .title{
    position: absolute;
    left: 0;
    top: 0;
    width: 100%;
    padding: 25px 30px;
    color: #fff;
    font-size: 20px;
    z-index: 3;
}
.video-modal .video-content .btn{
    position: absolute;
    top: 50%;
    transform: translateY(-50%);
    cursor: pointer;
    color: #fff;
}
.video-modal .video-content .btn .iconfont{
    font-size: 30px;
}
.video-modal .video-content .btn.btn-prev{
    left: 0;
}
.video-modal .video-content .btn.btn-next{
    right: 0;
}
@media (max-width:1199px) {
    .video-section .caseVideo-gallery .swiper-slide .gallery-more .btn .iconfont{
        font-size: 60px;
    }
    .video-container .caseVideo-thumbs .swiper-slide{
        width: 230px;
    }
    .video-container .caseVideo-menu{
        right: 40px;
    }
    .video-container .caseVideo-thumbs{
        right: 120px;
    }
    .section-how,
    .section-faq{
        padding: 80px 0 0;
    }
    .section-contact{
        padding-bottom: 80px;
    }
    .section-firmware{
        padding: 80px 0;
    }
    .section-contact .contact-form,
    .section-faq .faq-container{
        margin-top: 45px;
    }
    .faq-content .item:not(:last-child){
        margin-bottom: 45px;
    }
    .accordion-header{
        padding: 15px 0;
    }
    .firmware-card h4{
        font-size: 20px;
    }
    .firmware-grid{
        grid-template-columns: repeat(3,1fr);
    }
    .video-section{
        padding: 80px 0;
    }
    .search-section{
        padding: 80px 0 45px;
    }
    .video-container,
    .category-icons{
        margin-top: 45px;
    }
    .video-container .caseVideo-thumbs .swiper-slide-active a{
        transform: scale(1);
    }
}
@media (max-width:1024px) {
    .video-container .caseVideo-thumbs{
        right: 90px;
    }
    .video-section{
        padding: 70px 0;
    }
    .search-section{
        padding: 70px 0 40px;
    }
    .video-container,
    .category-icons{
        margin-top: 40px;
    }
    .firmware-grid{
        margin-top: 40px;
    }
    .steps-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .btn-toggle{
        border-width: 1px;
        line-height: 50px;
    }
    .faq-image{
        display: none;
    }
    .faq-content{
        width: 100%;
    }
    .section-how,
    .section-faq{
        padding: 70px 0 0;
    }
    .section-contact{
        padding-bottom: 70px;
    }
    .section-firmware{
        padding: 70px 0;
    }
    .firmware-grid,
    .section-contact .contact-form,
    .section-faq .faq-container{
        margin-top: 40px;
    }
    .faq-content .item:not(:last-child){
        margin-bottom: 40px;
    }
    /* .category-icons{
        overflow: auto;
    }
    .category-item{
        flex-shrink: 0;
    } */
     .section-faq .btn-learn-more{
        margin-top: 40px;
     }
}
@media (max-width: 768px) {
    .video-section .caseVideo-gallery .swiper-slide .gallery-more .btn{
        left: 50%;
        transform: translate(-50%,-50%);
    }
    .video-section .caseVideo-gallery .gallery-more .title{
        position: absolute;
        left: 0;
        bottom: 0;
        width: 100%;
        padding: 0 20px 20px;
        color: #fff;
        text-align: left;
    }
    .video-section .caseVideo-gallery .swiper{
        height: 60vw;
    }
    .video-container .caseVideo-thumbs{
        display: none;
    }
    .section-faq .btn-learn-more{
        margin-top: 35px;
     }
    .video-section{
        padding: 60px 0;
    }
    .search-section{
        padding: 60px 0 35px;
    }
    .video-container,
    .category-icons{
        margin-top: 35px;
    }
    .firmware-grid{
        margin-top: 35px;
    }
    .steps-grid{
        grid-template-columns: repeat(1,1fr);
    }
    .btn-toggle{
        line-height: 45px;
        padding: 0 24px;
    }
    .section-how,
    .section-faq{
        padding: 60px 0 0;
    }
    .section-contact{
        padding-bottom: 60px;
    }
    .section-firmware{
        padding: 60px 0;
    }
    .section-firmware .btn-black,
    .firmware-grid,
    .section-contact .contact-form,
    .section-faq .faq-container{
        margin-top: 35px;
    }
    .faq-content .item:not(:last-child){
        margin-bottom: 35px;
    }
    .firmware-grid{
        grid-template-columns: repeat(2,1fr);
    }
    .section-contact .contact-form .form-row{
        grid-template-columns: repeat(1,1fr);
    }
    .category-icons{
        gap: 40px;
    }
}
@media (max-width: 500px) {
    .search-wrapper{
        padding-left: 15px;
    }
    .search-wrapper input{
        padding: 10px 15px;
        font-size: 14px;
    }
    .search-btn{
        width: 100px;
        font-size: 16px;
    }
    .video-section .caseVideo-gallery .swiper-slide .gallery-more .btn .iconfont{
        font-size: 50px;
    }
    .section-faq .btn-learn-more{
        margin-top: 30px;
        line-height: 49px;
     }
    .category-item span{
        font-size: 16px;
        margin-top: 14px;
    }
    .video-section{
        padding: 50px 0;
    }
    .search-section{
        padding: 50px 0 30px;
    }
    .video-container,
    .category-icons{
        margin-top: 30px;
    }
    .firmware-grid{
        margin-top: 30px;
    }
    .firmware-grid{
        grid-template-columns: repeat(1,1fr);
    }
    .firmware-grid{
        margin-top: 30px;
    }
    .section-how,
    .section-faq{
        padding: 50px 0 0;
    }
    .section-contact{
        padding-bottom: 50px;
    }
    .section-firmware{
        padding: 50px 0;
    }
    .section-firmware .btn-black,
    .firmware-grid,
    .section-contact .contact-form,
    .section-faq .faq-container{
        margin-top: 30px;
    }
    .faq-content .item:not(:last-child){
        margin-bottom: 30px;
    }
    .section-contact .contact-form .btn-submit{
        line-height: 53px;
        width: 200px;
    }
}