/* Banner样式 */

.banner-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
}

.banner-container {
    width: 100%;
    height: 100%;
}

.banner-wrapper {
    width: 100%;
    height: 100%;
}

.banner-wrapper .swiper-container {
    position: relative;
    z-index: 2;
}

.banner-wrapper-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background: rgba(0, 0, 0, 0.48);
    z-index: 3;
}

.banner-item {
    position: relative;
    width: 100%;
    height: 100vh;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-inner {
    position: relative;
    width: 100%;
    height: 100%;
    display: flex;
    align-items: center;
    justify-content: center;
}

.banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
    background-size: cover;
    background-position: center;
    background-repeat: no-repeat;
    z-index: 1;
}


/* Banner数字标识 */

.banner-number {
    position: absolute;
    left: 153px;
    width: 20px;
    color: #333;
    font-size: 16px;
    font-weight: bold;
    z-index: 10;
}

.banner-number.bottom {
    bottom: 32px;
}

.banner-content {
    position: relative;
    z-index: 10;
    max-width: 100%;
    width: 100%;
    margin: 0 auto;
    padding: 0 16.6%;
    text-align: left;
}

.banner-text {
    margin-bottom: 40px;
    color: #fff;
}

.banner-text-main {
    font-size: 58px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    padding-left: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-text-sub {
    font-size: 40px;
    margin-bottom: 30px;
    color: #fff;
    padding-left: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-text-en {
    font-size: 12px;
    color: #fff;
    line-height: 1.5;
    padding-left: 30px;
    text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.3);
}

.banner-btn {
    padding-left: 30px;
    display: inline-block;
}

.banner-btn a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 50px;
    height: 50px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.9);
    border: 1px solid #fff;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.banner-btn a:hover {
    background: rgba(255, 255, 255, 1);
    transform: scale(1.1);
}

.btn-icon {
    margin-left: 0;
}


/* Swiper分页器样式 */

.swiper-pagination.custom {
    position: absolute;
    left: 160px;
    top: 50%;
    transform: translateY(-50%);
    width: 5px;
    z-index: 10;
}

.swiper-pagination.custom .swiper-pagination-bullet {
    width: 1px;
    height: 110px;
    background: #333;
    opacity: 0.5;
    margin: 0 !important;
    border-radius: 0;
}

.swiper-pagination.custom .swiper-pagination-bullet-active {
    width: 5px !important;
    opacity: 1;
    margin-left: -2px !important;
}


/* 内容区域 */

.content-section {
    margin-top: 150px;
    padding: 20px;
    text-align: center;
}


/* 底部指示栏 */

.banner-indicator {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    height: auto;
    background: transparent;
    z-index: 10;
    overflow: hidden;
    display: flex;
    justify-content: center;
    align-items: center;
}

.indicator-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 10px;
    text-align: center;
}

.indicator-progress {
    display: flex;
    align-items: center;
    gap: 0;
}

.progress-track {
    display: flex;
    align-items: center;
    gap: 0;
}

.progress-bar {
    width: 12px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.progress-bar.active {
    background: #fff;
    width: 12px;
    height: 4px;
}


/* 移动端指示栏样式 */

.mobile-progress-track {
    display: flex;
    align-items: center;
    gap: 0;
}

.mobile-progress-bar {
    width: 12px;
    height: 4px;
    background: rgba(255, 255, 255, 0.5);
    cursor: pointer;
    transition: all 0.3s ease;
}

.mobile-progress-bar.active {
    background: #fff;
    width: 12px;
    height: 4px;
}


/* 分享功能 */

.banner-share {
    position: absolute;
    bottom: 30px;
    right: 50px;
    z-index: 10;
}

.share-item {
    display: flex;
    align-items: center;
    gap: 15px;
}

.share-item a {
    display: inline-block;
    width: 32px;
    height: 32px;
    background: rgba(255, 255, 255, 0.2);
    border-radius: 50%;
    display: flex;
    align-items: center;
    justify-content: center;
    transition: all 0.3s ease;
}

.share-item a:hover {
    background: rgba(255, 255, 255, 0.4);
    transform: scale(1.1);
}


/* 响应式设计 */

@media (max-width: 992px) {
    .hidden-mobile {
        display: none;
    }
    .hidden-pc,
    .hidden-ipad {
        display: block;
    }
    .banner-text-main {
        font-size: 36px;
    }
    .banner-text-sub {
        font-size: 18px;
    }
    .banner-text-en {
        font-size: 14px;
    }
    .banner-item,
    .banner-section {
        height: auto;
        min-height: 570px;
    }
}

@media (min-width: 993px) {
    .hidden-mobile {
        display: block;
    }
    .hidden-pc,
    .hidden-ipad {
        display: none;
    }
}

@media (max-width: 768px) {
    .banner-text-main {
        font-size: 28px;
    }
    .banner-text-sub {
        font-size: 16px;
    }
    .swiper-pagination.custom {
        left: 20px;
    }
}


/* 第三部分：产品展示区域 */

.product-section {
    padding: 100px 20px;
    background-color: #f9f9f9;
}

.product-container {
    max-width: 100%;
    margin: 0 auto;
}

.product-tabs {
    display: flex;
    justify-content: space-between;
    align-items: flex-start;
}

.tabs-header {
    flex: 0 0 200px;
    margin-right: 50px;
}

.tabs-nav {
    display: flex;
    flex-direction: column;
    gap: 20px;
}

.tabs-item {
    cursor: pointer;
    transition: all 0.3s ease;
}

.item-title {
    text-align: right;
    position: relative;
    top: 25%;
}

.item-name {
    font-size: 30px;
    transition: all 0.2s linear;
    color: #333;
}

.tabs-item.active .item-name {
    font-size: 40px;
    font-weight: bold;
    color: #333;
}

.tabs-content {
    flex: 1;
    position: relative;
    min-height: 500px;
}

.tab-pane {
    display: none;
    opacity: 0;
    transition: all 0.5s ease;
}

.tab-pane.active {
    display: block;
    opacity: 1;
}

.tab-content {
    padding: 50px 0;
}

.tab-title {
    font-size: 40px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #333;
}

.tab-subtitle {
    font-size: 24px;
    margin-bottom: 30px;
    color: #666;
}

.tab-description {
    font-size: 18px;
    line-height: 1.6;
    margin-bottom: 40px;
    color: #666;
    max-width: 800px;
}

.tab-btn {
    display: inline-block;
}

.tab-btn a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 60px;
    height: 60px;
    border-radius: 50%;
    background: #f1f1f1;
    border: 1px solid #ddd;
    color: #333;
    text-decoration: none;
    font-size: 16px;
    transition: all 0.3s ease;
}

.tab-btn a:hover {
    background: #e0e0e0;
    transform: scale(1.1);
}


/* 产品轮播区域 */

.product-carousel-section {
    position: relative;
    width: 100%;
    height: 100vh;
    overflow: hidden;
    background-color: #fff;
}

.carousel-container {
    width: 100%;
    height: 100%;
    margin: 0 auto;
}

.product-swiper {
    width: 100%;
    height: 100%;
}

.product-banner-inner {
    position: relative;
    width: 100%;
    height: 100%;
}

.product-banner-bg {
    position: absolute;
    top: 0;
    left: 0;
    width: 100%;
    height: 100%;
}


/* 产品轮播底部数字指示栏 */

.product-indicator {
    position: absolute;
    bottom: 30px;
    left: 0;
    right: 0;
    z-index: 10;
    display: flex;
    justify-content: center;
    align-items: center;
}

.product-indicator-container {
    max-width: 100%;
    margin: 0 auto;
    padding: 10px;
    text-align: center;
}

.product-indicator-progress {
    display: flex;
    align-items: center;
}

.product-progress-track {
    display: flex;
    align-items: center;
    gap: 10px;
}

.product-progress-bar {
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    background: rgba(255, 255, 255, 0.5);
    color: #333;
    font-size: 16px;
    font-weight: normal;
    cursor: pointer;
    transition: all 0.3s ease;
    border-radius: 0;
}

.product-progress-bar.active {
    background: rgba(255, 255, 255, 1);
    color: #333;
    opacity: 1;
}

.product-progress-bar {
    width: 20px;
    height: 20px;
    font-size: 10px;
    opacity: 0.2;
}


/* 响应式设计 */

@media (max-width: 992px) {
    .product-tabs {
        flex-direction: column;
    }
    .tabs-header {
        flex: 1;
        margin-right: 0;
        margin-bottom: 50px;
    }
    .tabs-nav {
        flex-direction: row;
        justify-content: center;
        flex-wrap: wrap;
    }
    .tabs-item {
        margin: 0 10px;
    }
    .item-title {
        text-align: center;
        top: 0;
    }
    .item-name {
        font-size: 24px;
    }
    .tabs-item.active .item-name {
        font-size: 30px;
    }
    .tab-title {
        font-size: 32px;
    }
    .tab-subtitle {
        font-size: 20px;
    }
    .tab-description {
        font-size: 16px;
    }
    .product-carousel-section {
        height: 632px;
    }
}

@media (max-width: 768px) {
    .product-section {
        padding: 50px 20px;
    }
    .tab-title {
        font-size: 28px;
    }
    .tab-subtitle {
        font-size: 18px;
    }
    .tab-description {
        font-size: 14px;
    }
}


/* 品牌优势部分 */

.advantage-section {
    padding: 0;
    position: relative;
    width: 100%;
    min-height: 100vh;
    display: flex;
    flex-direction: column;
    background-image: url('../images/92685_172345574754220.jpg');
    background-position: center center;
    background-repeat: no-repeat;
    background-attachment: inherit;
    background-size: cover;
}

.advantage-section::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: rgba(0, 0, 0, 0.56);
    z-index: 1;
}

.advantage-header {
    display: flex;
    justify-content: space-between;
    align-items: flex-end;
    margin: 0 auto;
    padding: 120px 0 60px;
    flex-shrink: 0;
    width: 83.33%;
    position: relative;
    z-index: 2;
}

.advantage-list {
    position: relative;
    z-index: 2;
}

.advantage-title {
    text-align: left;
}

.advantage-title h2 {
    font-size: 40px;
    font-weight: bold;
    line-height: 1.2;
    color: #fff;
}

.advantage-title p {
    font-size: 12px;
    color: #fff;
    padding: 5px 0;
    letter-spacing: 1px;
}

.advantage-more {
    flex: 0 0 auto;
}

.more-btn {
    display: inline-flex;
    align-items: center;
    gap: 5px;
    padding: 10px 20px;
    background-color: #fff;
    color: #333;
    text-decoration: none;
    font-size: 14px;
    font-weight: bold;
    transition: all 0.3s ease;
    border: 1px solid #fff;
}

.more-btn .btn-icon {
    display: flex;
    align-items: center;
    justify-content: center;
}

.more-btn .btn-icon svg {
    width: 24px;
    height: 24px;
    transition: transform 0.3s ease;
}

.more-btn svg path {
    fill: #333;
}

.more-btn:hover {
    background-color: #333;
    color: #fff;
}

.more-btn:hover svg path {
    fill: #fff;
}

.more-btn:hover .btn-icon svg {
    transform: translateX(5px);
}

.advantage-list {
    display: flex;
    gap: 0;
    width: 100%;
    flex: 1;
    background: rgba(0, 0, 0, 0.75);
}

.advantage-item {
    flex: 1;
    position: relative;
    overflow: hidden;
    transition: all 0.3s ease;
}

.advantage-item:hover {
    transform: none;
}

.advantage-img {
    position: relative;
    height: 100%;
    min-height: 600px;
    overflow: hidden;
}

.advantage-img img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: all 0.3s linear;
    opacity: 0.6;
}

.advantage-img img:hover {
    opacity: 1.0;
}

.advantage-content {
    position: absolute;
    bottom: 0;
    left: 0;
    right: 0;
    padding: 30px;
    color: #fff;
}

.advantage-item-title {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 15px;
}

.advantage-item-title img {
    opacity: 1.0 !important;
    transform: none !important;
}

.advantage-item-title h3 {
    font-size: 20px;
    font-weight: bold;
    color: #fff;
}

.advantage-item-desc {
    font-size: 14px;
    line-height: 1.8;
    color: #fff;
}

.advantage-item-desc p {
    margin-bottom: 10px;
}


/* 响应式设计 */

@media (max-width: 992px) {
    .advantage-list {
        flex-direction: column;
    }
    .advantage-item {
        width: 100%;
    }
    .advantage-img {
        min-height: 400px;
    }
    .advantage-header {
        padding: 30px;
    }
}

@media (max-width: 768px) {
    .advantage-header {
        flex-direction: column;
        align-items: flex-start;
        gap: 20px;
        padding: 20px;
    }
    .advantage-title h2 {
        font-size: 28px;
    }
    .advantage-content {
        padding: 20px;
        bottom: 60px;
    }
    .advantage-img {
        min-height: 300px;
    }
    .advantage-item-title h3 {
        font-size: 18px;
    }
    .advantage-item-desc {
        font-size: 13px;
    }
}

@media (max-width: 480px) {
    .advantage-img {
        min-height: 250px;
    }
    .advantage-content {
        padding: 15px;
    }
    .advantage-item-desc {
        font-size: 12px;
    }
}


/* 品牌简介部分 */

.brand-intro-section {
    padding: 0;
    background-color: #fff;
}

.brand-intro-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
}

.brand-intro-content {
    display: flex;
    gap: 0;
    align-items: stretch;
    height: 700px;
}

.brand-intro-left {
    flex: 1;
    background: rgba(255, 249, 243, 1);
    display: flex;
    flex-direction: column;
}

.intro-title {
    width: 70%;
    padding-top: 100px;
    margin: 0 auto 40px;
}

.intro-title h2 {
    font-size: 40px;
    font-weight: bold;
    color: #333;
}

.intro-title p {
    font-size: 12px;
    color: #000;
    text-transform: uppercase;
    letter-spacing: 1px;
}

.intro-subtitle {
    width: 70%;
    margin: 0 auto 40px;
}

.intro-subtitle p {
    font-size: 18px;
    color: #cd8c54;
    font-weight: bold;
    line-height: 1.4;
}

.intro-description {
    width: 70%;
    margin: 0 auto 50px;
}

.intro-description p {
    font-size: 14px;
    line-height: 1.8;
    color: #555;
    text-align: justify;
}

.intro-logo img {
    width: 70%;
    margin: 0 auto;
    display: block;
}

.brand-intro-right {
    flex: 1;
    position: relative;
    height: 100%;
}

.intro-video {
    position: relative;
    height: 100%;
}

.video-wrapper {
    position: relative;
    height: 100%;
    overflow: hidden;
}

.video-poster {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    object-fit: cover;
}

.video-play-btn {
    position: absolute;
    top: 50%;
    left: 50%;
    transform: translate(-50%, -50%);
    cursor: pointer;
}

.intro-more-btn {
    position: absolute;
    bottom: 0;
    left: 0;
}


/* 最新资讯部分 */

.latest-news-section {
    background-color: #fff;
}

.news-container {
    width: 100%;
    max-width: 100%;
    margin: 0 auto;
    display: flex;
    gap: 0;
    height: auto;
}

.news-left {
    flex: 1;
    background-color: #000;
    color: #fff;
    display: flex;
    flex-direction: column;
    justify-content: flex-start;
}

.news-left .intro-title {
    margin-bottom: 0;
}

.news-header {
    text-align: left;
    margin: 0 auto 40px;
}

.news-header h2 {
    font-size: 40px;
    font-weight: bold;
    color: #fff;
}

.news-header p {
    font-size: 12px;
    color: #fff;
    text-transform: uppercase;
    letter-spacing: 1px;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
}

.news-featured {
    width: 70%;
    margin: 0 auto;
    padding-bottom: 60px;
}

.news-featured-image {
    width: 100%;
    height: 300px;
    margin-bottom: 30px;
    overflow: hidden;
}

.news-featured-image img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.news-featured-image:hover img {
    transform: scale(1.05);
}

.news-featured-info {
    margin-bottom: 30px;
}

.news-featured-info h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
    line-height: 1.4;
}

.news-featured-info .news-date {
    display: flex;
    align-items: center;
    font-size: 14px;
    margin-bottom: 30px;
    color: rgba(255, 255, 255, 0.6);
    justify-content: space-between;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
}

.news-date span,
.news-date a {
    flex: 1;
}

.news-featured-more {
    font-size: 14px;
    text-align: right;
    text-decoration: none;
    color: rgba(255, 255, 255, 0.6);
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
    transition: all 0.3s ease;
}

.news-featured-more:hover {
    color: #fff;
    opacity: 0.8;
}

.news-featured-more span {
    transition: transform 0.3s ease;
}

.news-featured-more:hover span {
    transform: translateX(5px);
}

.news-right {
    flex: 1;
    display: flex;
    position: relative;
    align-items: center;
    justify-content: center;
    background-image: url('../images/92685_172345574754220.jpg');
    background-position: center right;
    background-repeat: no-repeat;
    background-attachment: inherit;
    background-size: cover;
    overflow-y: auto;
}

.news-bg {
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    width: 100%;
    height: 100%;
    background-color: rgba(0, 0, 0, 0.56);
}

.news-list {
    gap: 60px;
    width: 100%;
    display: flex;
    position: relative;
    flex-direction: column;
}

.news-item {
    display: flex;
    flex-direction: column;
    gap: 20px;
    padding-bottom: 60px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}

.news-item-info {
    flex: 1;
    width: 70%;
    margin: 0 auto;
}

.news-item-info h3 {
    font-size: 20px;
    font-weight: bold;
    margin-bottom: 20px;
    color: #fff;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
    line-height: 1.4;
}

.news-item-info h3 a {
    color: #fff;
    text-decoration: none;
    transition: color 0.3s ease;
}

.news-item-info h3 a:hover {
    color: #fff;
}

.news-item-meta {
    display: flex;
    justify-content: space-between;
    align-items: center;
    margin-bottom: 0;
}

.news-item-date {
    font-size: 14px;
    color: #fff;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
}

.news-item-more {
    font-size: 14px;
    color: #fff;
    text-decoration: none;
    transition: all 0.3s ease;
    font-family: "siyuanheiti-regular", "Microsoft YaHei" !important;
    display: inline-flex;
    align-items: center;
    gap: 10px;
}

.news-item-more:hover {
    color: #fff;
}

.news-item-more span {
    transition: transform 0.3s ease;
}

.news-item-more:hover span {
    transform: translateX(5px);
}


/* 右侧视频左下角按钮样式 */

.intro-more-btn .more-btn {
    background-color: #000;
    color: #fff;
    border: 1px solid #000;
}

.intro-more-btn .more-btn:hover {
    background-color: #fff;
    color: #000;
    border: 1px solid #fff;
}

.intro-more-btn .more-btn svg path {
    fill: #fff;
}

.intro-more-btn .more-btn:hover svg path {
    fill: #000;
}


/* 响应式设计 */

@media (max-width: 992px) {
    .brand-intro-content {
        flex-direction: column;
        height: auto;
    }
    .brand-intro-left,
    .brand-intro-right {
        flex: 1;
        width: 100%;
    }
    .brand-intro-right {
        padding: 0;
    }
    .intro-video {
        porsition: relative;
    }
    .video-wrapper {
        position: relative;
        padding-top: 60%;
    }
    .intro-more-btn {
        margin-top: 0px;
        position: relative;
        background: #f7e0c0;
    }
    .intro-more-btn .more-btn {
        background: transparent;
        width: 100%;
        border: none;
        color: #606266;
        text-align: center;
        padding: 20px;
        justify-content: center;
    }
    .intro-more-btn .more-btn svg path {
        fill: #606266;
    }
    .news-container {
        flex-direction: column;
        height: auto;
    }
    .news-left,
    .news-right {
        flex: 1;
        width: 100%;
    }
    .news-left {
        padding: 0px 30px;
    }
    .news-right {
        padding: 0px 30px;
    }
    .news-featured-info h3 {
        font-size: 14px;
    }
    .news-list {
        gap: 0px;
    }
}

@media (max-width: 768px) {
    .brand-intro-section,
    .latest-news-section {
        padding: 0;
    }
    .intro-title {
        width: 100%;
        padding: 70px 20px 0 30px;
    }
    .news-left .intro-title {
        padding-left: 0;
        padding-right: 0;
    }
    .intro-subtitle,
    .intro-description {
        width: 100%;
        padding: 0 20px 0 30px;
    }
    .intro-logo img {
        width: 80%;
        margin: 0 auto 30px;
    }
    .intro-title h2,
    .news-header h2 {
        font-size: 28px;
    }
    .intro-subtitle p {
        font-size: 20px;
    }
    .intro-description p {
        font-size: 14px;
    }
    .news-left {
        padding: 0 30px;
    }
    .news-right {
        padding: 0px 30px;
    }
    .news-featured-image {
        height: 200px;
        padding-bottom: 0px;
    }
    .news-item {
        padding: 40px 0;
        flex-direction: column;
    }
    .news-item-image {
        flex: 1;
        height: 200px;
    }
    .news-featured {
        width: 100%;
    }
    .news-item-info {
        width: 100%;
    }
    .news-item-info h3 a {
        font-size: 16px;
        font-weight: normal;
    }
    .advantage-section {
        min-height: auto;
    }
}


/* 视频播放按钮样式 */

.video-play-btn {
    cursor: pointer;
}