* {
    font-family: 'Roboto', sans-serif;
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
.container {
    max-width: 1250px;
    padding: 0 15px;
    margin: auto;
}
.header-pc {
    z-index: 10;
    position: fixed;
    width: 100%;
    left: 0;
    top: 0;
    padding: 10px 0;
    background-color: #2f2f2f;
    color: white;
}
ul {
    margin: 0;
    padding: 0;
}
.header-pc ul li {
    text-align: center;
    list-style-type: none;
    padding: 10px 35px 5px;
    font-size: 14px;
    border-bottom: 2px solid transparent;
}
.header-pc ul.list li .item-menu-lv-1 {
    padding: 10px 0 4px;
    font-weight: 700;
    color: white;
    text-decoration: none;
}
.header-pc ul.list li .item-menu-lv-1:hover {
    border-bottom: 2px solid white;
    color: #c10000;
}
.header-pc .logo-header-pc {
    display: flex;
    justify-content: center;
}
.header-pc .logo-header-pc img{
    width: 100px;
}
.li-search {
    padding: 10px 0 5px !important;
    width: 35px;
    height: 35px;
    cursor: pointer;
}
.menu-lv-1 {
    position: relative;
}
.menu-lv-2 {
    display: none;
    animation: slider_nav_up 0.7s;
    background-color: black;
    position: absolute;
    top: 100%;
    left: -10%;
    width: 350px;
    text-align: left;
    -webkit-transform-origin: 0% 0%;
}
.menu-lv-2 p {
    padding: 10px 10px;
    margin: 0;
}
.header-pc ul.list li.menu-lv-1 .menu-lv-2 p a {
    display: block;
    width: 100%;
    font-size: 14px;
    font-weight: 600;
    color: white;
    text-decoration: none;
}
.header-pc ul.list li.menu-lv-1 .menu-lv-2 p a:hover {
    color: #c10000;
}
.header-pc ul.list li.menu-lv-1:hover .menu-lv-2 {
    display: block;
}
@keyframes slider_nav_up {
    0%{
        transform: perspective(600px) rotateX(-90deg);
    }
    100% {
        transform: perspective(600px) rotateX(0deg);
    }
}
.menu-product-vl-1 {
    position: relative;
}
.menu-product-vl-1:hover .menu-product-vl-2 {
    display: flex;
}
.menu-product-vl-1 .menu-product-vl-2 {
    display: none;
    text-align: left;
    flex-wrap: wrap;
    background-color: #444343;
    position: absolute;
    top: 100%;
    padding: 10px 20px;
    width: 1100px;
    left: -75%;
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 {
    padding: 0 5px;
    width: calc(100% * 2/10);
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 h4 {
    margin: 0;
    font-size: 16px;
    padding: 10px 0;
}
.underlined {
    width: 40px;
    height: 2px;
    background-color: #c10000;
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 h4 a {
    font-weight: 700;
    text-decoration: none;
    color: #c10000;
    
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 p {
    margin: 0;
    padding: 10px 0;
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 p a {
    color: white;
    text-decoration: none;
    font-weight: 400;
}
.menu-product-vl-1 .menu-product-vl-2 .item-menu-product-vl-2 p a:hover {
    color: #c10000;
}
.header-mobile {
    z-index: 10;
    position: fixed;
    background-color: #2f2f2f;
    display: none;
    justify-content: space-between;
    align-items: center;
    padding: 4px 10px;
    width: 100%;
    top: 0;
    left: 0;
}
.header-mobile .click-show-menu i {
    color: white;
    font-size: 30px;
}
.header-mobile .logo-header-mobile img {
    height: 50px;
}
.header-mobile .li-search {
    width: auto;
    height: auto;
}
.header-mobile .li-search img{
    width: 30px;
    height: 30px;
}
.li-search {
    position: relative;
}
.input-search {
    position: absolute;
    right: -32%;
    top: 120%;
}
.input-search input {
    border: none;
    outline: none;
    padding: 4px 25px 4px 4px;
    font-size: 14px;
    width: 200px;
}
.input-search .i {
    position: absolute;
    top: 0;
    right: 0;
    width: 29px;
    height: 29px;
    display: flex;
    justify-content: center;
    align-items: center;
    background-color: #c10000;
    color: white;
    font-size: 10px;
}
.header-mobile .menu-mobile {
    transition: 0.6s all ease-in-out;
    position: fixed;
    width: 100vw;
    height: 100vh;
    left: 0;
    top: 0;
}
.header-mobile .menu-mobile .blur {
    position: fixed;
    background-color: rgb(0 0 0 / 43%);
    width: 100vw;
    height: 100vh;
    z-index: 100;
}
.header-mobile .menu-mobile .list-menu-mobile {
    overflow: auto;
    position: fixed;
    background-color: black;
    width: 70vw;
    height: 100vh;
    z-index: 101;
    padding: 15px 0 15px;
}
.header-mobile .menu-mobile .list-menu-mobile i {
    padding: 0 10px;
    color: white;
    font-size: 30px;
}
.logo-menu-mobile {
    padding: 0 28px;
    margin: 30px 0 30px ;
}
.logo-menu-mobile img {
    width: 100%;
}
.menu-mobile-item .menu-mobile-lv1 {
    display: flex;
    justify-content: space-between;
    align-items: center;
}
.menu-mobile-item .menu-mobile-lv1 a{
    font-size: 15px;
    padding: 15px 0 15px 25px;
    display: inline-block;
    color: white;
    font-weight: 300;
    text-decoration: none;
}
.menu-mobile-item .menu-mobile-lv1 .angle-down {
    width: 40px;
    height: 54px;
    background-color: rgb(255 255 255 / 20%);
    display: flex;
    justify-content: center;
    align-items: center;
}
.menu-mobile-item .menu-mobile-lv1 .angle-down i {
    transition: 0.4s all ease-in-out;
    font-size: 12px;
    color: rgb(172, 21, 21);
}
.menu-mobile-item .menu-mobile-lv2 {
    background-color: white;
    display: none;
}
.menu-mobile-item .menu-mobile-lv2 .item-lv2
{
    padding: 10px 0;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.menu-mobile-item .menu-mobile-lv2 a {
    color: black;
    font-size: 15px;
    text-decoration: none;
}
.menu-mobile-item .menu-mobile-lv2 .item-lv2 i{
    transition: 0.4s all ease-in-out;
    color: black;
    font-size: 14px;
    color: #c10000;
}
.item-menu-mobile-lv2 {
    padding: 0px 15px 0px 25px;
}
.rotate {
    transform: rotateZ(180deg);
    transition: 0.4 all ease-in-out;
}
.item-lv3 {
    display: none;
}
.item-lv3 a {
    display: block;
    padding: 10px 0;
    font-size: 15px;
    color: #c10000 !important;
}
.tranX {
    transform: translateX(-100%);
}
.footer {
    background-color: #2f2f2f;
    padding-top: 60px;
}
.footer .item-contact {
    width: calc(100% * 4/10);
}
.logo-footer {
    text-align: left !important;
}
.logo-footer img {
    max-width: 100%;
}
.footer .item-contact .contact {
    color: #c5c2c2;
    padding: 15px 12px;
    font-size: 15px;
}
.footer .item-contact .contact p {
    display: flex;
    align-items: center;
}
.footer .item-contact .contact i {
    margin-right: 15px;
    font-size: 12px;
}
.content-web {
    margin-top: 60px;
}
.item-sevis {
    padding-top: 60px;
    padding-right: 10px;
    width: calc(100% * 2/10);
}
.item-contact .list {
    color: #c5c2c2;
}
.item-contact .list h2 {
    font-size: 18px;
}
.item-contact .list p span {
    font-weight: 500;
    font-size: 14px;
}
.item-sevis h5 {
    color: #c10000;
    font-size: 20px;
    font-weight: 600;
}
.item-sevis ul {
    padding: 0;
    margin: 0;
}
.item-sevis ul li {
    list-style-type: none;
    padding: 5px 0;
}
.item-sevis ul li a {
    transition: 0.3s all ease-in-out;
    color: #c5c2c2;
    font-size: 15px;
    text-decoration: none;
}
.item-sevis ul li a:hover {
    color: white;
}
.footer-top {
    border-bottom: 1px solid #c10000;
}
.footer-bottom {
    padding: 15px 0;
}
.footer-bottom span a {
    transition: all 0.3s ease-in-out;
    display: inline-block;
    color: #c10000;
    text-decoration: none;
    margin-right: 30px;
    font-size: 15px;
}
.footer-bottom span a:hover {
    color: white;
}
.item-banner {
    height: 750px !important;
    overflow: hidden;
}
.item-banner img {
    width: 100%;
    object-fit: cover;
}
.banner-home {
    position: relative;
}
.banner-home .slick-dots {
    display: flex;
    width: auto !important;
    position: absolute;
    left: 50%;
    transform: translateX(-50%);
    bottom: 10px;
}
.slick-dots li button:before {
    content: "" !important;
}
.banner-home .slick-dots li {
    list-style-type: none;
}
.banner-home .slick-dots li button {
    transition: 0.4s all ease-in-out;
    opacity: 0;
    font-size: 0;
    width: 10px;
    height: 10px;
    margin: 5px;
    border-radius: 50%;
    background-color: black;
    border: 1px solid;
}
.banner-home .slick-dots li.slick-active button {
    background-color: white;
}
.banner-home:hover .slick-dots li button {
    opacity: 1;
}
.gototop {
    cursor: pointer;
    position: fixed;
    bottom: 30px;
    right: 10px;
}
.box-contact {
    position: fixed;
    bottom: 50px;
    left: 20px;
}
.box-contact .item-box-contact {
    margin-top: 15px;
}
.box-contact .item-box-contact img {
    width: 50px;
}
.vc_section {
    background-color: rgb(245, 245, 245);
    padding: 73px 0;
}
.vc_section img {
    width: 100%;
    padding: 0px 130px;
    filter: grayscale(1); 
    -webkit-filter: grayscale(1);
}
.vc_section img:hover {
    filter: grayscale(0); 
    -webkit-filter: grayscale(0);
}
.intro-home {
    padding: 35px;
    text-align: center;
}
.intro-home h1 {
    font-weight: 600;
}
.intro-home h3 {
    color: #474747;
    margin-top: 20px;
    font-weight: 400;
    line-height: 45px;
    margin-bottom: 65px;
}
.intro-home h2 {
    font-size: 48px;
    color: #c10000;
    font-weight: 900;
}
.intro-home p {
    color: #474747;
    font-size: 33px;
    font-weight: 700;
}
section.container .outstanding-products {
    border: 1px solid #c10000;
}
.outstanding-products h1 {
    text-align: center;
    font-size: 30px;
    background-color: #c10000;
    color: white;
    margin: 0;
    padding: 5px 0;
    font-weight: 700;
}
.outstanding-products .item-outstanding-products {
    padding: 0 30px;
    text-align: center;
    margin-bottom: 30px;
}
.outstanding-products .item-outstanding-products .img {
    display: flex;
    align-items: center;
    justify-content: center;
    min-height: 210px;
}
.outstanding-products .item-outstanding-products span a {
    color: #fdc82b;
    font-size: 12px;
    text-decoration: none;
    /* display: block; */
    padding: 4px 8px;
    border: 1px solid #fdc82b;
    border-radius: 10px;
}
.outstanding-products .item-outstanding-products img {
    padding-top: 10px;
    transition: 0.3s all ease-in-out;
    margin-bottom: 10px;
    max-height: 200px;
}
.outstanding-products .item-outstanding-products:hover img {
    transform: scale(1.1);
}
.outstanding-products .item-outstanding-products p {
    margin-bottom: 10px;
}
.outstanding-products .item-outstanding-products p a {
    transition: 0.3s all ease-in-out;
    color: black;
    font-weight: 600;
    text-decoration: none;
}
.outstanding-products .item-outstanding-products p a:hover {
    color: #c10000;
}
.outstanding-products .item-outstanding-products span {
    color: #c10000;
    font-weight: 600;
}
.karaoke h1 {
    margin: 0;
    color: #474747;
    font-size: 35px;
    font-weight: 600;
    padding: 20px 0;
    text-align: center;
}
.karaoke .list-product-karaoke {
    margin-bottom: 20px;
    background-color: rgb(240, 240, 240);
    padding: 35px 0;
}
.karaoke .list-product-karaoke .group-vl-2 {
    margin-bottom: 20px;
    display: flex;
    justify-content: space-between;
}
.karaoke .list-product-karaoke .group-vl-2 h4 {
    display: block;
    font-size: 20px;
    font-weight: bold;
    color: #474747;
}
.karaoke .list-product-karaoke .group-vl-2 a {
    display: block;
    float: right;
    color: #c10000;
    font-weight: 400;
    font-size: 20px;
    text-decoration: none;
}
.karaoke .list-product-karaoke .item-outstanding-products {
    padding: 0 10px;
    text-align: center;
    margin-bottom: 30px;
}
.karaoke .list-product-karaoke .item-outstanding-products .img {
    margin-bottom: 10px;
    padding: 10px;
    background-color: white; 
}
.karaoke .list-product-karaoke .item-outstanding-products .img img {
    transition: 0.4s all ease-in-out;
}
.karaoke .list-product-karaoke .item-outstanding-products:hover img {
    transform: scale(1.1);
}
.karaoke .list-product-karaoke .item-outstanding-products p a {
    transition: 0.3s all ease-in-out;
    color: black;
    font-weight: 600;
    text-decoration: none;
}
.karaoke .list-product-karaoke .item-outstanding-products p a:hover {
    color: #c10000;
}
.karaoke .list-product-karaoke .item-outstanding-products span {
    color: #c10000;
    font-weight: 600;
}
.intro-home .img-intro-home {
    margin-bottom: 20px;
}
.intro-home .img-intro-home img {
    transition: all 0.3s ease-in-out;
}
.intro-home .img-intro-home img:hover {
    transform: scale(1.2);
}
.intro-home span {
    display: block;
    padding: 0 40px;
    font-size: 23px;
    color: #474747;
    font-weight: normal;
    margin-top: 0;
}
.trademark {
    background-color: rgb(245, 244, 244);
    padding: 35px 0;
}
.trademark h1 {
    display: block;
    text-align: center !important;
    font-family: 'Roboto', sans-serif !important;
    font-weight: bold !important;
    color: #474747;
    font-size: 40px !important;
    text-transform: uppercase;
    margin-bottom: 40px !important;
}
.trademark .slide-trademark .item {
    padding: 0 30px;
}
.product-construction h1 {
    margin: 0;
    padding: 20px;
}
.product-construction h1 a {
    display: block;
    text-align: center !important;
    font-family: 'Roboto', sans-serif !important;
    font-weight: bold !important;
    color: #474747;
    font-size: 40px !important;
    text-transform: uppercase;
    margin-bottom: 0px !important;
    text-decoration: none;
}
.product-construction .tab-product {
    flex-wrap: wrap;
    border-bottom: 2px solid #afaeae;
    display: flex;
}
.product-construction .tab-product p {
    margin: 0;
    padding: 10px;
    cursor: pointer;
    background-color: #efefef;
    float: left;
    border: none;
    outline: none;
    cursor: pointer;
    text-align: center;
    line-height: 28px;
    font-size: 20px;
    font-weight: bold;
    color: #474747;
    transition: 0.3s;
    display: block;
    min-height: 75px;
    float: left;
    border-right: 2px solid #fff;
    transition: 0.3s all ease-in-out;
}
.product-construction .tab-product .item-tab.active p{
    background-color: #ccc;
    color: white;
}
.product-construction .tab-product p:hover {
    background-color: #ccc;
}
.d-m-none {
    display: none;
}
.product-construction .view_new_all {
    font-size: 20px;
    color: #c10000;
    line-height: 40px;
    display: block;
    text-decoration: none;
    text-align: center;
    border-bottom: 3px solid #d4d4d4;
    margin-bottom: 30px;
}
.construction {
    padding: 60px 0;
    background-color: rgb(240, 240, 240);
}
.construction .video {
    display: flex;
    flex-wrap: wrap;
}
.construction .video iframe {
    width: 100% !important;
    height: 100% !important;
}
.construction .construction-list h1 {
    text-align: center;
    padding: 30px 0;
    font-weight: bold !important;
    color: #474747;
    font-size: 40px !important;
    text-transform: uppercase;
    margin-bottom: 0px !important;
}
.construction .construction-list .construction-item {
    border-bottom: 1px solid;
}
.construction .construction-list .construction-item h3 {
    margin: 0;
}
.construction .construction-list .construction-item a{
    display: inline-block;
    background: #f0f0f0;
    line-height: 50px;
    border: 2px solid #d4d4d4;
    color: #060606;
    text-transform: uppercase;
    font-size: 30px;
    padding: 0 30px;
    z-index: 2;
    position: relative;
    min-width: 247px;
    text-align: center;
    font-weight: 500;
    top: 27px;
    margin-top: -27px;
    text-decoration: none;
}
img {
    max-width: 100%;
}
iframe {
    max-width: 100%;
}
.bg-white-sm {
    background-color: transparent;
}
.construction .construction-list .construction-list-item {
    display: flex;
    flex-wrap: wrap;
    margin-top: 40px;
}
.construction .construction-list .construction-list-item .item {
    padding: 0 15px;
    margin-bottom: 15px;
}
.construction .construction-list .construction-list-item .item img {
    max-height: 247px;
    width: 100%;
}
.construction .construction-list .construction-list-item .item p a {
    display: block;
    color: #333333;
    font-weight: 500;
    margin-top: 10px;
    text-decoration: none;
    line-height: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 40px;
}
.description-group-product {
    position: relative;
    padding: 60px 0;
    margin-bottom: 30px;
}
.moreopen{
    position:absolute;
    width: 100%;
    height: 80px;
    bottom:0;
    right: 0;
    padding: 10px;
    line-height: 80px;
    text-align:center;
    font-size: 18px !important;
    background-image: linear-gradient(rgba(0, 0, 0, 0.116), black);
    color: white !important;
    font-weight:bold;
    box-sizing: border-box;
}
.list-product {
    margin-top: 60px;
}
.list-product h1 {
    font-weight: 700;
    font-size: 40px;
    text-align: center;
}
.list-product .list-product-item {
    padding: 0 15px;
    text-align: center;
    margin-bottom: 15px;
    position: relative;
}
.list-product .list-product-item p {
    margin: 0;
}
.list-product .list-product-item p a {
    color: #333333;
    font-weight: 600;
    margin-top: 10px;
    text-decoration: none;
    line-height: 20px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    text-overflow: ellipsis;
    overflow: hidden;
    height: 40px;
}
.list-product .list-product-item span {
    display: block;
    line-height: 40px;
    color: #c10000;
    text-align: center;
    font-weight: bold;
    margin: 0;
    font-size: 16px;
}
.list-product .list-product-item:hover .parameter-list-product{
    display: block;
}
.list-product .list-product-item .parameter-list-product {
    display: none;
    position: absolute;
    width: 100%;
    height: 100%;
    top: 0;
    left: 0;
    background-color: white;
    overflow: auto;
}

.list-product .list-product-item a .parameter-list-product{
    color: black;
    font-size: 14px;
    text-align: left;
}
.list-product .list-product-item a .parameter-list-product ul {
    padding-left: 20px;
}
::-webkit-scrollbar {
    width: 8px;
    background: transparent;
}
::-webkit-scrollbar-thumb {
    background-color: black;
    border-radius: 5px;
}
.link-product-detail {
    padding: 15px 0;
}
.link-product-detail a {
    font-size: 20px;
    color: #333333;
    text-decoration: none;
}
.link-product-detail span {
    font-size: 20px;
    color: #333333;
}
.image-c {
    text-align: center;
}
.image-c img {
    max-height: 500px;
}
.image-p .item img {
    cursor: pointer;
}
.product-detail .summary h1 {
    margin-top: 20px;
    margin-bottom: 40px;
    color: #333333;
    font-size: 40px;
    line-height: 45px;
    font-weight: 700;
}
.product-detail .summary span {
    display: block;
    margin-bottom: 40px;
    color: #c10000;
    font-size: 36px;
    font-weight: bold;
}
.product-detail .summary .book button {
    border: none;
    max-width: 100%;
    outline: none;
}
.product-detail .summary .book .order {
    width: 300px;
    height: 70px;
    line-height: 70px;
    text-align: center;
    font-size: 30px;
    color: #FFF;
    margin: 0px 0 0 0;
    border-radius: 6px;
    background: #c10000;
    padding: 0;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 15px;
}
.product-detail .summary .book .order:hover {
    background-color: #a46497;
}
.product-detail .summary .book .map {
    width: 300px;
    height: 70px;
    line-height: 70px;
    text-align: center;
    font-size: 30px;
    color: #FFF;
    margin: 0px 0 0 0;
    border-radius: 6px;
    background: #d81318;
    padding: 0;
    text-transform: uppercase;
    font-weight: 600;
    margin-bottom: 15px;
}
.product-detail .summary .book input {
    width: 125px;
    height: 60px;
    float: left;
    padding: 0;
    text-align: center;
    border: 1px solid #c7c0c7;
    -webkit-border-top-right-radius: 0;
    -webkit-border-bottom-right-radius: 0;
    -moz-border-radius-topright: 0;
    -moz-border-radius-bottomright: 0;
    border-top-right-radius: 0;
    border-bottom-right-radius: 0;
    box-shadow: inset 0 0 2px 0 #f7f6f7;
    -webkit-box-shadow: inset 0 0 2px 0 #f7f6f7;
    -moz-box-shadow: inset 0 0 2px 0 #f7f6f7;
    font-weight: bold;
    -webkit-border-top-left-radius: 2px;
    -webkit-border-bottom-left-radius: 2px;
    -moz-border-radius-topleft: 2px;
    -moz-border-radius-bottomleft: 2px;
    border-top-left-radius: 2px;
    border-bottom-left-radius: 2px;
    background: #ebebeb;
    font-size: 35px;
    color: #333333;
    outline: none;
}
.information {
    margin-top: 40px;
}
.information .border-right {
    border-right: 1px solid;
}
.border-right {
    border-right: 1px solid;
}
.product-detail .optical-products {
    margin-top: 60px;
}
.product-detail .optical-products h1 {
    color: #2f2f2f;
    font-size: 30px;
    font-weight: 600;
    line-height: 60px;
    clear: both;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    text-align: center;
}
.service {
    margin-top: 20px;
}
.service .item-tab-service {
    cursor: pointer;
    text-transform: uppercase;
    font-size: 20px;
    color: #2f2f2f;
    line-height: 50px;
    display: inline-block;
    position: relative;
    font-weight: 400;
}
.service .tab-service .item-tab-service.active {
    color: #c10000;
    border-bottom: 3px solid #c10000;
}
.service .tab-service {
    border-bottom: 1px solid;
}
.service .list-service {
    margin-top: 30px;
}
.service .list-service .img-service {
    height: 210px;
    overflow: hidden;
    position: relative;
}
.service .list-service .img-service img {
    width: 100%;
}
.service .list-service .list-service-item {
    padding: 0 15px;
    text-align: center;
}
.service .list-service .img-service .top {
    z-index: 1;
    position: absolute;
    top: 0;
    left: 0;
    width: 0;
    height: 0;
    background-color: rgba(0, 0, 0, 0.3);
    transition: 0.3s all ease-in-out;
}
.service .list-service .list-service-item span {
    color: #333333;
    font-size: 12px;
    display: block;
    width: 100%;
    margin-top: 12px;
    float: left;
    text-align: center;
}
.service .list-service .list-service-item h5 a {
    font-size: 18px;
    font-weight: bold;
    line-height: 30px;
    color: #333333;
    text-decoration: none;
}
.service .list-service .list-service-item p {
    text-align: start;
    font-size: 14px;
}
.service .list-service .img-service:hover .top{
    width: 100%;
    height: 100%;
}
.service .list-service .img-service .bottom {
    z-index: 1;
    position: absolute;
    bottom: 0;
    right: 0;
    width: 0;
    height: 0;
    background-color: rgba(0, 0, 0, 0.3);
    transition: 0.3s all ease-in-out;
}
.service .list-service .img-service:hover .bottom{
    width: 100%;
    height: 100%;
}
.service .list-service .img-service a {
    z-index: 2;
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    border: white 2px solid;
    padding: 5px 10px;
    font-size: 14px;
    text-decoration: none;
    color: white;
    display: none;
    font-weight: 500;
}
.service .list-service .img-service:hover a {
    display: block;
}
.service-content {
    margin-top: 30px;
}
.service-content .content {
    padding: 15px;
    border: 15px solid;
}
.relate {
    margin-top: 40px;
}
.relate h4 {
    text-align: center;
}
#contact h3 {
    color: #2f2f2f;
    font-size: 30px;
    font-weight: 600;
    line-height: 60px;
    clear: both;
    margin: 0 0 10px 0;
    text-transform: uppercase;
    text-align: center;
}
#contact p {
    font-size: 20px;
    font-weight: 600;
    margin-top: 40px;
}
#contact span {
    display: block;
    line-height: 30px;
}
.border-bottom-black {
    border-bottom: 1px solid;
}
.slick-dotted.slick-slider {
    margin: 0 !important;
}
img.logo {
    filter: brightness(0) invert(1);
    -webkit-filter: brightness(0) invert(1);
}
.description-intro img {
    height: auto !important;
}
.description-intro .where ul {
    display: flex;
    list-style-type: none;
}
.description-intro .where ul li {
    cursor: pointer;
    padding: 8px 20px;
    margin-right: 20px;
    border: 1px solid gray;
    border-radius: 8px;
}
.page {
    display: flex;
    align-items: center;
    justify-content: space-between;
    margin-top: 30px;
}
.description-intro .where #List .d-flex.align-items-center {
    margin-top: 30px;
}
.description-intro .where ul li.on {
    border: 1px solid orange;
    color: orange;
}
.description-intro .where .img-where img {
    border-radius: 50%;
    object-fit: cover;
    aspect-ratio: 1 / 1;
}
.information ul {
    padding-left: 20px !important;
}
.order a {
    color: white;
    text-decoration: none;
}
.where {
    display: flex;
    flex-wrap: wrap;
}
.where p {
    font-size: 14px;
}














@media screen and (max-width : 556px) {
    .product-detail .optical-products h1 {
        font-size: 21px;
    }
    .product-detail .summary .book input {
        width: 90px;
    }
    .information .border-right {
        border-right: none;
    }
    .list-product .list-product-item {
        padding: 0 5px;
    }
    .description-group-product {
        padding: 20px 5px;
    }
    .list-product h1 {
        font-size: 25px;
    }
    .construction .construction-list .construction-item a {
        font-size: 16px;
        min-width: 50px;
    }
    .construction .construction-list .construction-list-item .item {
        padding: 0 5px;
    }
    .construction .construction-list h1 {
        font-size: 25px !important;
    }
    .construction {
        padding: 20px 0;
    }
    .product-construction .tab-product p {
        font-size: 15px;
        border: 1px solid white;
    }
    .trademark h1 {
        padding: 20px;
        font-size: 25px !important;
    }
    .intro-home span {
        font-size: 16px;
        padding: 0 20px;
    }
    .intro-home .img-intro-home img {
        width: 45px;
    }
    .karaoke .list-product-karaoke .group-vl-2 a {
        display: none;
    }
    .karaoke h1 {
        font-size: 25px;
    }
    .karaoke .list-product-karaoke .item-outstanding-products {
        padding: 0 5px;
        margin-bottom: 10px;
    }
    .bg-white-sm {
        background-color: white;
    }
    .footer-bottom span a {
        display: block;
        margin-bottom: 10px;
    }
    .header-pc {
        display: none;
    }
    .header-mobile {
        display: flex;
    }
    .logo-footer {
        text-align: center !important;
    }
    .footer .item-contact {
        width: calc(100% * 10/10);
    }
    .item-sevis {
        padding-top: 10px;
        padding-bottom: 10px;
        padding-right: 0;
        width: calc(100% * 10/10);
    }
    .content-web {
        margin-top: 58px;
    }
    .item-banner {height: 195px !important;}
    .vc_section {
        padding: 30px 0;
    }
    .vc_section img {
        padding: 0 15px;
    }
    .intro-home {
        padding: 0;
    }
    .intro-home h1 {
        font-size: 25px;
    }
    .intro-home h3 {
        font-size: 16px;
        line-height: 20px;
    }
    .intro-home h2 {
        font-size: 26px;
    }
    .intro-home p {
        font-size: 16px;
        font-weight: 400;
    }
}