h2{
            color: #333;
            text-transform: initial;
            font-weight: bold;
        }

        .box-content{
            max-width: 1520px;
            margin: 0 auto;
        }

        /* 主横幅区域 (Hero Section) */
        .hero-overlay {
            background: url('/imgll/about/about.jpg') center/cover no-repeat;
            height: 400px;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        .hero-content {
            position: relative;
            text-align: center;
            color: white;
        }

        .hero-content h1 {
            font-size: 36px;
            margin-bottom: 20px;
        }

        /* About Us 部分 */
        .about-us-section {
            padding: 60px 10px;
            background: #F5F5F5;
        }

        .about-us-content {
            display: flex;
            flex-wrap: wrap;
            gap: 160px;
            align-items: flex-end;
            text-align: left;
        }

        .h2_tittle {
            flex: 1;
            min-width: 300px;
            font-size: 16px;
            line-height: 1.6;
            color: #666;
        }
        .h2_tittle h2{
            font-size: 36px;
            margin: 0 0 30px 0;
        }

        .about-us-image {
            flex: 1;
            min-width: 300px;
            text-align: center;
        }

        .about-us-image img {
            width: 100%;
            height: auto;
            margin: auto;
        }

        .stats {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            margin-top: 60px;
        }

        .stat-item {
            text-align: center;
            width: 24%;
            min-width: 150px;
            background: #fff;
            padding: 40px 0;
            font-weight: bold;
        }

        .stat-number {
            font-size: 36px;
            font-weight: bold;
            color: #ffc107; /* 黄色 */
            margin-bottom: 5px;
            display: flex;
            align-items: flex-start;
            justify-content: center;
        }
        .stat-number span{
            font-size: 16px;
            color: #333;
            padding: 5px 0 0 5px;
            font-weight: 400;
        }

        .stat-label {
            font-size: 14px;
            color: #333;
            font-weight: 400;
        }

        /* Production Base 部分 */
        .production-base-section {
            padding: 80px 0 0 0;
            background: url('/imgll/about/about12.png') center/cover no-repeat;
            color: white;
            min-height: 600px;
            position: relative;
            overflow: hidden;
        }

        .section-header {
            text-align: center;
            margin-bottom: 60px;
            font-size: 16px;
            line-height: 1.5;
        }

        .section-header h2 {
            font-size: 36px;
            color: #F8C300;
            margin-bottom: 30px;
            text-align: center;
        }

        .section-header div {
            font-size: 16px;
            color: #e6e6e6;
        }

        /* 轮播主容器 */
        .production-carousel {
            position: relative;
            max-width: 900px;
            margin: 0 auto;
            background: #fff;
        }

        .carousel-container {
            position: relative;
            overflow: visible;
        }

        .carousel-slides {
            display: flex;
            position: relative;
            height: 100%;
            transition: transform 0.8s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .carousel-slide {
            position: absolute;
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.8s cubic-bezier(0.4, 0, 0.2, 1);
            opacity: 0;
            z-index: 1;
        }

        /* 活动幻灯片 */
        .carousel-slide.active {
            position: relative;
            opacity: 1;
            z-index: 10;
            transform: translateX(0);
        }

        /* 左侧幻灯片（上一个） */
        .carousel-slide.left {
            opacity: 0.7;
            transform: translateX(-110%);
            z-index: 5;
        }

        /* 右侧幻灯片（下一个） */
        .carousel-slide.right {
            opacity: 0.7;
            transform: translateX(110%);
            z-index: 5;
        }

        /* 更远的幻灯片隐藏 */
        .carousel-slide.hidden {
            opacity: 0;
            z-index: 1;
        }

        /* 幻灯片内容 */
        .slide-content {
            display: flex;
            flex-direction: column;
            width: 90%;
            padding: 60px 40px 80px 40px;
            max-width: 820px;
            overflow: hidden;
            color: #333;
        }

        /* 图片区域 */
        .slide-image {
            width: 100%;
            height: 390px;
            overflow: hidden;
        }

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

        /* 文字区域 */
        .slide-text {
            flex: 1;
            text-align: left;
            visibility: visible;
            transition: all 0.6s ease 0.8s;
            transform: translateY(0);
            opacity: 1;
        }
        
        .carousel-slide.left .slide-content,.carousel-slide.right .slide-content{
            background: none;
            z-index: 5;
        }
        .carousel-slide.left .slide-text,.carousel-slide.right .slide-text{
            visibility: hidden;
            transform: translateY(40px);
            transition: visibility 0s;
            opacity: 0;
        }

        .slide-text h3 {
            font-size: 24px;
            margin-bottom: 30px;
            border-left: 5px solid #F8C300;
            padding: 0 0 0 10px;
        }

        .text-content {
            font-size: 16px;
            line-height: 1.6;
            opacity: 0.9;
            height: 140px 
        }

        /* 控制按钮 */
        .carousel-controls {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 30px;
            margin-top: -80px;
            position: relative;
            z-index: 888;
        }

        .carousel-btn {
            width: 50px;
            height: 50px;
            color: white;
            font-size: 20px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            position: absolute;
            top: -222px;
            border: 1px solid #6D879F;
            background: none;
        }
        .carousel-btn.prev-btn{
            left: -80px;
        }
        .carousel-btn.next-btn{
            right: -80px;
        }

        .carousel-btn:hover {
            background: #F8C300;
            color: #002B45;
            transform: scale(1.1);
        }

        /* 导航点 */
        .carousel-dots {
            display: flex;
            gap: 12px;
            margin: 24px 0;
        }

        .carousel-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background: #fff;
            cursor: pointer;
            transition: all 0.3s ease;
            border: 2px solid #F8C300;
        }

        .carousel-dot.active {
            background: #F8C300;
        }

        /* 缩略图预览 */
        .thumbnail-preview {
            display: none; /* 默认隐藏，通过媒体查询显示 */
        }

        /* 桌面端样式 */
        @media (min-width: 992px) {
            
            .thumbnails-container {
                display: flex;
                justify-content: center;
                gap: 20px;
                padding: 0 100px;
            }
            
            .thumbnail-item {
                width: 200px;
                height: 150px;
                border-radius: 8px;
                overflow: hidden;
                cursor: pointer;
                opacity: 0.6;
                transition: all 0.3s ease;
                position: relative;
            }
            
            .thumbnail-item img {
                width: 100%;
                height: 100%;
                object-fit: cover;
            }
            
            .thumbnail-item:hover {
                opacity: 0.8;
                transform: translateY(-5px);
            }
            
            .thumbnail-item.active {
                opacity: 1;
                transform: translateY(-10px);
                box-shadow: 0 10px 20px rgba(0, 43, 69, 0.3);
            }
            
            .thumbnail-overlay {
                position: absolute;
                bottom: 0;
                left: 0;
                right: 0;
                background: linear-gradient(to top, rgba(0, 43, 69, 0.9), transparent);
                color: white;
                padding: 10px;
                font-size: 14px;
                text-align: center;
                opacity: 0;
                transition: opacity 0.3s ease;
            }
            
            .thumbnail-item:hover .thumbnail-overlay {
                opacity: 1;
            }
        }

        /* 平板端样式 */
        @media (min-width: 768px) and (max-width: 991px) {
            
            .slide-content {
                width: 80%;
            }
            
            .carousel-slide.left {
                transform: translateX(-80%) scale(0.8);
            }
            
            .carousel-slide.right {
                transform: translateX(80%) scale(0.8);
            }
        }

        /* 移动端样式 */
        @media (max-width: 767px) {

            .production-base-section{
                background: none;
                padding: 0;
            }

            .production-bj{
                background: url(/imgll/about/about12.png) center / cover no-repeat;
                padding: 60px 0;
                margin: 0;
            }

            .carousel-slides{
               flex-direction: column;
            }

            .slide-content {
                width: 95%;
                padding: 40px 0 0 0;
            }

            .slide-image img{
                margin: 30px 0 0 0;
            }
            
            .carousel-slide {
                position: relative;
                opacity: 1;
            }
            
            .carousel-slide.active {
                opacity: 1;
                transform: translateX(0);
            }
            
            .carousel-slide.left,
            .carousel-slide.right {
                display: none;
            }
            
            .slide-image {
                height: 200px;
            }

            .slide-text h3 {
                font-size: 20px;
                display: flex;
                align-items: center;
            }
            
            .text-content {
                font-size: 14px;
                height: auto;
            }
        }

        /* 动画效果 */
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .carousel-slide.active .slide-content {
            animation: fadeIn 0.6s ease-out;
        }

        .office-map-section{
            text-align: center;
            margin: 80px 0 60px 0;
            display: flex;
            flex-direction: column;
            gap: 60px;
        }

        .office-map-section p{
            margin: 0 0 60px 0;
        }

        /* Purpose & Objective 部分 */
        .purpose-objective-section {
            padding: 80px 10px 40px 10px;
            background: url('/imgll/about/about13.png') center/cover no-repeat;
            color: white;
            overflow: hidden;
        }

        .row-img{
            overflow: hidden;
            position: relative;
        }

        .about-but {
            display: block;
            display: flex;
            -webkit-box-pack: space-between;
            -webkit-justify-content: space-between;
            -moz-justify-content: space-between;
            -ms-justify-content: space-between;
            -o-justify-content: space-between;
            justify-content: space-between;
            flex-wrap: wrap;
            width: 420px;
            overflow: hidden;
            margin: 0 auto
        }

        .about-but .but {
            display: block;
            float: left;
            width: 57px;
            height: 6px;
            border-radius: 5px;
            background: #f8c300;
            cursor: pointer
        }

        .about-but .active {
            background: #fff
        }

        .purpose-content {
            max-width: 800px;
            margin: 0 auto 40px;
        }

        .products-showcase {
            display: flex;
            justify-content: center;
            gap: 20px;
            flex-wrap: wrap;
        }

        .product-item {
            text-align: center;
            width: 20%;
            min-width: 150px;
        }

        .product-item img {
            max-width: 100%;
            height: auto;
            border-radius: 5px;
        }

        /* Products and Business 部分 */
        .products-business-section {
            padding: 40px 10px;
            background-color: white;
            text-align: center;
        }

        .products-grid {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin: 60px 0 0 0;
        }

        .product-card {
            text-align: center;
            width: 20%;
            display: flex;
            flex-direction: column;
            align-items: center;
        }

        .product-card img {
            width: 100%;
            height: auto;
            border-radius: 5px;
            margin-bottom: 10px;
        }

        .hero-section{
            position: relative;
        }
        .hero-section .main {
            width: 100%;
            position: absolute;
            top: 0;
            left: 0
        }

        .hero-section .banner-black {
            display: block;
            width: 520px;
            margin-top: 90px;
            padding: 40px 40px 35px;
            color: #FFF;
            background-color: #041f44;
            background: rgba(4,30,65,.8);
            *background-color: #041f44;
            filter: alpha(opacity=80)
        }
        .banner-black p{
            color: #FFF;
            line-height: 1.5;
            margin-top: 10px;
        }

        /* 响应式设计 */
        @media (max-width: 768px) {
            .about-us-content, .production-carousel, .products-grid, .product-card {
                /*flex-direction: column;
                align-items: center;*/
                flex-wrap: wrap;
                gap: 40px;
            }

            .stat-item {
                width: 48%;
                margin-bottom: 20px;
                padding: 20px 0;
            }

            .office-location {
                font-size: 12px;
            }

            .products-grid {
                justify-content: space-between;
                gap: inherit;
            }
            .product-card {
                width: 31.6%;
            }


            .hero-overlay{
                background-size: 280%;
                height: 76vw;
                background-position: top right 18%;
            }
            .about-but{
                width: 100%;
            }
            .carousel-btn{
                top: 0;
                color: #0D4257;
            }
            .about-us-section{
                padding: 60px 10px 10px 10px;
            }
            .h2_tittle h2{
                text-align: center;
            }
            .stats{
                margin: 40px 0 0 0;
            }
            .office-map-section{
                margin: 60px 0;
                gap: 40px;
            }
            .row-img{
                display: none;
            }
            .h2_tittle{
                text-align: left;
            }
            .h2_tittle div{
                text-align: center; 
            }
            .section-header div{
                text-align: center; 
            }
            .carousel-controls{
                display: none;
            }
            .section-header{
                text-align: left;
            }
            .purpose-objective-section{
                padding: 60px 10px 0 10px;
            }
            .hero-section .main{
                position: relative;
            }
            .hero-section .banner-black{
                width: 100%;
                margin: 0;
                box-sizing: border-box;
                padding: 20px 10px;
            }
            .hero-section .main .container{
                padding: 0;
            }
        }