body {
    background-color: #212121;
}
.slider-container {
    width: 1680px;
    height: 880px;
    margin: 0 auto;
    position: relative;
    overflow: hidden;
}
.slider {
    width: 400%;
    height: 100%;
    display: flex;
    transition: transform 0.5s ease-in-out;
}
.slide {
    width: 25%;
    height: 100%;
}
.slide img {
    width: 100%;
    height: 100%;
    object-fit: cover;
}
.slider-buttons {
    position: absolute;
    bottom: 20px;
    left: 50%;
    transform: translateX(-50%);
    display: flex;
    gap: 20px;
}
.slider-button {
    width: 12px;
    height: 12px;
    border-radius: 50%;
    border: none;
    background-color: #fff;
    cursor: pointer;
}
.slider-button.active {
    background-color: #f17d38;
}
.nav-bar0{
    background-color: #000;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    margin: 0 auto;
}
.nav-bar {
    background-color: #000;
    width: 1700px;
    height: 60px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    padding: 0 20px;
    margin: 0 auto;
}
.nav-menu {
    display: flex;
    list-style: none;
    height: 60px;
    margin: 0;
    padding: 0;
}
.nav-menu li {
    width: 100px;
    height: 60px;
    line-height: 60px;
    text-align: center;
}
.nav-menu li a {
    display: block;
    color: white;
    text-decoration: none;
    width: 100px;
    height: 58px;
    padding: 0 15px;
}
.logo img {
    height: 40px;
}
.nav-menu li a:hover {
    color: #f17d38;
    transition: color 0.3s ease;
}
.dqli {
    color: #f17d38 !important;
    border-bottom: 2px solid #f17d38 !important;
}
.qiehuan{
    position: relative;
    top: 16%;
    width: 30px;
}
/*产品展示盒*/
.img-showcase {
    width: 1920px;
    height: 480px;
    margin: 0 auto;
    background: url('../img/chanpinbg.jpg') no-repeat center center;
    background-size: cover;
    border-radius: 12px;
    box-shadow: 0 4px 24px rgba(0,0,0,0.18);
}
.img-biaoti {
    color: #fff;
    font-family: SourceHanSansCN-Bold;
    font-size: 58px;
    line-height: 58px;
    margin-bottom: 24px;
    padding-left: 15%;
    padding-top: 8%;
}
.img-text {
    color: #fff;
    font-family: SourceHanSansCN-Light;
    font-size: 18px;
    line-height: 22px;
    line-height: 24px;
    padding-left: 15%;
}
/*设备切换导航条*/
.nav-bar1 {
    height: 60px;
    display: flex;

    border-bottom: #fff 1px solid;
}
.nav-bar2 {
    width: 80%;
    height: 60px;
    padding: 0 20px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    justify-content: space-between;
}
.nav-text {
    height: 60px;
    color: #fff;
}
.nav-text p{
    font-family: SourceHanSansCN-Light;
    font-size: 24px;
    height: 60px;
    line-height: 10px;
    display: flex;
    float: left;
}
#tabs {
    display: flex;
    list-style: none;
    height: 60px;
    margin: 0;
    padding: 0;
}
#tabs button:nth-child(1){
    color: #f17d38;
}
#tabs button {
    font-size: 20px;
    width: 150px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    background-color: #212121;
    border: none;
    outline: none;
    cursor: pointer;
    display: block;
    color: white;
    text-decoration: none;
}
#tabs button:focus {
    width: 150px;
    height: 60px;
    line-height: 60px;
    text-align: center;
    border: none;
    outline: none;
    cursor: pointer;
    display: block;
    color: #f17d38;
    text-decoration: none;
}
.tab-content {
    width: 100%;
    margin: 0 auto;
    padding: 20px 0;
    display: none;
}
.tab-pane {
    width: 100%;
    color: white;
    margin: 0 auto;
}
/*智能眼镜效果区域*/
.biaoti-text{
    width: 80%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
}
.biaoti-text p{
    font-family: SourceHanSansCN-Light;
    font-size: 24px;
    height: 30px;
    line-height: 10px;
    padding: 20px 0;
    font-size: 40px;
    color: #fff;
    font-family: SourceHanSansCN-Bold;
    border-bottom: #f17d38 4px solid;
}
.product-container {
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-around;
    margin: 0 auto;
    margin-bottom: 40px;
}
.product-item {
    width: 380px;
    text-align: center;
    border-radius: 20px;
    box-shadow: 0 2px 8px rgba(0,0,0,0.1);
}
.product-item img {
    max-width: 100%;
    height: auto;
    margin-bottom: 10px;
    border-radius: 20px;
}
.product-name {
    font-weight: bold;
    font-size: 30px;
    line-height: 60px;
    margin-bottom: 10px;
    height: 60px;
    color: #fff;
}
.feature-name {
    font-weight: bold;
    font-size: 30px;
    line-height: 60px;
    margin-bottom: 10px;
    height: 60px;
    color: #fff;
}
/*AI助手*/
.ai-assistant-container {
    width: 80%;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
    margin: 0 auto;
}
.ai-corner {
    width:50%;
    margin: 0 auto;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
}
.ai-corner img{
    width: 760px;
}
.left-text,.right-text {
    width: 50%;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    justify-content: center;
}
.ai-corner h3{
    font-size: 30px;
    color: #fff;
    font-family: SourceHanSansCN-Bold;
    margin-bottom: 20px;
    padding-left: 80px;
}
.ai-corner p{
    font-size: 20px;
    color: #fff;
    font-family: SourceHanSansCN-Regular;
    line-height: 30px;
    padding-left: 80px;
}
/*产品特性*/
.chanpingtx-container {
    display: grid;
    width: 80%;
    grid-template-columns: repeat(4, 1fr);
    gap: 20px;
    margin: 20px auto;
}
.feature-box {
    text-align: center;
}
.chanpingtx-box {
    text-align: center;
}
.chanpingtx-box img {
    width: 80%;
    object-fit: cover;
    border-radius: 8px;
}
.chanpingtx-name {
    margin-top: 10px;
    font-weight: bold;
    font-size: 20px;
    line-height: 40px;
    color: #fff;
    margin-bottom: 20px;
}
/*智能戒指*/

/*硬件设计*/
.jiezi-corner {
    width:48%;
    aspect-ratio: 1172/656;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: contain;
}
.jiezi-corner2 {
    width:48%;
    aspect-ratio: 1172/430;
    margin: 20px auto;
    display: flex;
    justify-content: space-between;
    overflow: hidden;
    background-repeat: no-repeat;
    background-size: contain;
}
.jieziright {
    margin-top: -8%;
}
.jiezi-corner p{
    color: #fff;
    font-size: 30px;
    line-height: 600px;
    font-family: SourceHanSansCN-Regular;
    padding-left: 40px;
}
.jiezi-corner2 p{
    color: #fff;
    font-size: 30px;
    line-height: 320px;
    font-family: SourceHanSansCN-Regular;
    padding-left: 40px;
}
/*智能手表*/
.shoubiaohezi {
    width: 80%;
    margin: 0 auto;
    justify-content: space-between;
    overflow: hidden;
}
.shoubiao-text {
    width: 100%;
    height: 60px;
    margin: 0 auto;
    font-size: 20px;
    line-height: 30px;
    color: #fff;
    font-family: SourceHanSansCN-Regular;
}
.shoubiaohezi img{
    width: 100%;

}
/*主控平台方案*/
.zhukon-boxes {
    display: flex;
    flex-wrap: row;
    justify-content: space-between;
    width: 100%;
    margin: 20px auto;
    padding: 20px;
}
.feature-box {
    width: 20%;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}   
.feature-image-container {
    position: relative;
    width: 100%; /* 4:3 Aspect Ratio */
    margin: 0 auto;
}                
.feature-image-container img {
    position: relative;
    width: 60%;
    top: 0;
    left: 0;
    margin: 0 auto;
    object-fit: cover;
}              
.feature-overlay {
    position: absolute;
    bottom: -105%;
    left: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.7);
    color: white;
    padding: 5px 0;
    text-align: center;
    transition: bottom 0.3s ease;
}
.feature-overlay h3 {
    margin-top: 20%;
}
.feature-box:hover .feature-overlay {
    bottom: 0;
}
.feature-text {
    padding: 15px;
}
.feature-text h3 {
    margin-top: 0;
}
/*定制化服务*/
.dingzhihua-boxes {
    display: flex;
    flex-wrap: wrap;
    width: 80%;
    gap: 20px;
    margin: 20px auto;
}
.dingzhihua-box-top, .dingzhihua-box-bottom {
    width: calc(50% - 10px);
    box-sizing: border-box;
}
.dingzhihua-image-container {
    overflow: hidden;
    border-radius: 8px;
}
.dingzhihua-image {
    width: 100%;
    height: auto;
    transition: transform 0.3s ease;
    display: block;
}
.dingzhihua-image-container:hover .dingzhihua-image {
    transform: scale(1.3);
}
.dingzhihua-text {
    padding: 10px 0;
    text-align: center;
}
/*多分辨率固件*/
.multi-resolution-firmware {
    width: 80%;
    margin: 0 auto;
    justify-content: space-between;
    overflow: hidden;
}
.firmware-container {
    width: 100%;
    margin: 0 auto;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
}
.firmware-box {
    width: 20%;
    position: relative;
    overflow: hidden;
    margin-bottom: 20px;
}
.firmware-box img {
    width: 100%;
}