/* ------------------------------------------------------------
            全域重置 & 移动优先核心变量
        ------------------------------------------------------------ */
        .paddR10{
            padding-right: 10px;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        /* 通用宽度容器 —— 移动优先，内边距舒适 */
        .width1400 {
            width: 100%;
            max-width: 1400px;
            margin: 0 auto;
            padding: 0 24px;
        }

        /* 手机端稍小边距 */
        @media (max-width: 640px) {
            .width1400 {
                padding: 0 20px;
            }
        }

        @media (max-width: 480px) {
            .width1400 {
                padding: 0 16px;
            }
        }

        /* ---------- 视频区域 ---------- */
        /*.video-section {*/
        /*    position: relative;*/
        /*    width: 100%;*/
        /*    height: 100%;*/
            /* min-height: 300px;
            background-color: #0a1a2f; */
        /*    overflow: hidden;*/
        /*    margin-top: 67px;*/
        /*}*/

        /*.video-section video {*/
        /*    width: 100%;*/
        /*    height: 100%;*/
        /*    object-fit: cover;*/
        /*}*/

        /*.play-button-overlay {*/
        /*    position: absolute;*/
        /*    top: 50%;*/
        /*    left: 50%;*/
        /*    transform: translate(-50%, -50%);*/
        /*    width: 80px;*/
        /*    height: 80px;*/
        /*    background-color: rgba(255, 255, 255, 0.9);*/
        /*    border-radius: 50%;*/
        /*    display: flex;*/
        /*    align-items: center;*/
        /*    justify-content: center;*/
        /*    cursor: pointer;*/
        /*    z-index: 10;*/
        /*}*/

        /*.play-button-overlay::after {*/
        /*    content: "";*/
        /*    display: block;*/
        /*    width: 0;*/
        /*    height: 0;*/
        /*    border-top: 15px solid transparent;*/
        /*    border-bottom: 15px solid transparent;*/
        /*    border-left: 25px solid #333;*/
        /*    margin-left: 5px;*/
        /*}*/

        /* 无视频时的样式 */
        /*.video-section.no-video {*/
        /*    margin-top: 67px;*/
        /*    background: url(../image/video_banner.png) rgb(218 218 218 / 30%) center center / cover no-repeat;*/
        /*    max-height: 700px;*/
        /*}*/

        /*.video-section.no-video video {*/
        /*    opacity: 0;*/
        /*    visibility: hidden;*/
        /*    position: absolute;*/
        /*    pointer-events: none;*/
        /*}*/

        /*.video-section.no-video .play-button-overlay {*/
        /*    display: none !important;*/
        /*}*/

        /* ---------- 内容段落 ---------- */
        .content-section {
            margin: 40px auto;
            /*padding: 0;*/
            color: #333;
            line-height: 1.7;
        }

        .content-section p {
            margin-bottom: 18px;
            font-size: 16px;
            text-align: justify;
            word-break: break-word;
        }

        /* ---------- 滚动动画（保留完全原逻辑） ---------- */
        .animate-on-scroll {
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.8s cubic-bezier(0.2, 0.9, 0.3, 1), transform 0.8s cubic-bezier(0.2, 0.9, 0.3, 1);
        }

        .animate-on-scroll.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .animate-on-scroll[data-delay="100"] {
            transition-delay: 0.1s;
        }

        .animate-on-scroll[data-delay="200"] {
            transition-delay: 0.2s;
        }

        .animate-on-scroll[data-delay="300"] {
            transition-delay: 0.3s;
        }

        .animate-on-scroll[data-delay="400"] {
            transition-delay: 0.4s;
        }

        .animate-on-scroll[data-delay="500"] {
            transition-delay: 0.5s;
        }

        .animate-up {
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
        }

        .animate-up.active {
            opacity: 1;
            transform: translateY(0);
        }

        /* ---------- About Us 卡片区域（全面自适应） ---------- */
        .aboutus_container {
            margin: 3rem auto;
        }

        .section-title {
            font-size: 2.5rem;
            font-weight: 700;
            color: #222;
            margin: 3rem auto;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease forwards;
            word-break: break-word;
        }

        .aboutus_card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }

        .aboutus_card {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            /*height: 420px;*/
            opacity: 0;
            transform: translateY(50px);
            cursor: pointer;
        }

        .aboutus_card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .aboutus_card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        
        
        
        /* 鼠标悬停图片变亮: 使用brightness(1.1) 或 增加亮度, 同时可提高饱和度 */
        .aboutus_card:hover img {
            filter: brightness(1.5) contrast(1.05); /* 变亮同时微调对比, 使图片更鲜明 */
            /* 如果只需要纯粹变亮: brightness(1.2) 也可 */
        }

        /* 卡片叠加层 (原有.aboutus_card-overlay) — 完全保留原有定位及样式假设 */
        /*.aboutus_card-overlay {*/
        /*    position: absolute;*/
        /*    top: 0;*/
        /*    left: 0;*/
        /*    width: 100%;*/
        /*    height: 100%;*/
        /*    background: rgba(0, 0, 0, 0.3); /* 常见半透明遮罩，原代码可能已有，但保留叠加层默认样式 */
        /*    display: flex;*/
        /*    align-items: center;*/
        /*    justify-content: center;*/
        /*    pointer-events: none;      /* 保证鼠标事件穿透到卡片, 不影响悬停触发 */
        /*    transition: background 0.2s ease; /* 平滑过渡 (可选) */
        /*}*/

        /* 卡片标题 — 保留原有类，增加文字阴影效果，同时确保过渡平滑 */
        .aboutus_card-title {
            text-transform: capitalize;
            color: #fff;
            /* 原文字颜色应为白色 */
            /*font-size: 24px;*/
            /*font-weight: 700;*/
            /*text-align: center;*/
            /*line-height: 1.3;*/
            text-shadow: 0 2px 5px rgba(0,0,0,0.3); 
            /* 初始可带一点阴影防白字看不清 (但原有可能无) */
            /*transition: text-shadow 0.3s ease;    */
            /* 阴影变化过渡 */
            /*word-break: break-word;*/
        }

        /* 鼠标悬停卡片时，文字阴影加强 (实现“文字有阴影效果”) */
        .aboutus_card:hover .aboutus_card-title {
            text-shadow: 5px 4px 8px rgba(0, 0, 0, 0.7), 0 0 8px rgba(0, 0, 0, 0.6); 
            /* 多重阴影: 深色扩散 + 轻微光晕，既增强立体感又满足“阴影效果” */
        }
        
        

        .aboutus_card-overlay {
            position: absolute;
            inset: 0;
            /*background: linear-gradient(to top, rgba(0, 0, 0, 0.6), transparent);*/
            display: flex;
            align-items: flex-end;
            padding: 20px;
        }

        .aboutus_card-title {
            color: white;
            font-size: 2rem;
            font-weight: 600;
            line-height: 1.3;
            word-break: break-word;
        }

        /* 响应式：平板与手机 aboutus卡片 */
        @media (max-width: 992px) {
            .aboutus_card-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }

            .aboutus_card {
                height: 360px;
            }

            .section-title {
                font-size: 2.2rem;
                margin: 2.5rem 0;
            }

            .aboutus_card-title {
                font-size: 2rem;
            }

            .Industries_container .Industries_grid {
                gap: 40px 30px;
                grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            }
        }

        @media (max-width: 480px) {
            .aboutus_card {
                height: 240px;
                border-radius: 10px;
            }

            .aboutus_card-title {
                font-size: 1.6rem;
            }

            .section-title {
                font-size: 1.7rem;
            }

            .aboutus_card-overlay {
                padding: 16px;
            }
        }

        /* ---------- Certifications 区域（重写网格为移动优先，完全保留结构） ---------- */
        .Certifications_container{
            background: #fff;
            padding: 1rem 0;
        }
        .Certifications_container h1 {
            font-size: 2.5rem;
            font-weight: 700;
            margin-bottom: 30px;
            text-align: left;
            color: #222;
            margin-top: 2rem;
            word-break: break-word;
        }

        .Certifications_container .section-label {
            background-image: url(../image/Vector_bg.png);
            background-repeat: no-repeat;
            background-size: 259px 41px;
            color: white;
            font-weight: 600;
            margin-bottom: 3.5rem;
            width: 259px;
            height: 41px;
            line-height: 41px;
            text-align: center;
            font-size: 1.3rem;
            background-position: center;
        }

        .Certifications_container .key-certifications {
            margin-bottom: 4.5rem;
        }

        .Certifications_container .key-cert-row {
            display: flex;
            align-items: center;
            margin-bottom: 18px;
            padding-bottom: 18px;
            /*border-bottom: 1px solid #e5e5e5;*/
        }

        .Certifications_container .iso-logo-container {
            display: flex;
            justify-content: center;
            align-items: center;
            padding-right: 20px;
            margin-right: 50px;
            flex-shrink: 0;
        }

        .Certifications_container .iso-logo {
            max-height: 165px;
            width: auto;
        }

        .Certifications_container .cert-content-group {
            display: flex;
            flex-wrap: wrap;
            flex: 1;
            align-items: flex-start;
            justify-content: space-between;
            border-bottom: 1px solid #e5e5e5;
        }

        .Certifications_container .cert-item-group {
            display: flex;
            align-items: center;
            margin-right: 40px;
            margin-bottom: 35px;
            margin-top: 35px;
            min-width: 200px;
        }

        .Certifications_container .cert-name {
            font-size: 2.5rem;
            font-weight: 600;
            color: #f7941d;
            margin-right: 15px;
            min-width: 80px;
        }

        .Certifications_container .cert-desc {
            font-size: 1rem;
            color: #555;
            line-height: 1.5;
        }

        .Certifications_container .global-certifications {
            margin-bottom: 50px;
        }

        /* 全球认证网格 —— 移动优先改造，完全保留原class结构 */
        .Certifications_container .cert-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 4rem 0;
            justify-items: center;
            align-items: center;
        }

        .Certifications_container .cert-grid-row-2 {
            grid-column: span 4;
            display: grid;
            grid-template-columns: repeat(6, 1fr);
            gap: 30px 20px;
            justify-items: start;
            width: 100%;
        }

        .Certifications_container .cert-grid-item {
            text-align: center;
            opacity: 0;
            transform: translateY(50px);
            transition: opacity 0.8s ease, transform 0.8s ease;
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .Certifications_container .cert-grid-item.active {
            opacity: 1;
            transform: translateY(0);
        }

        .Certifications_container .cert-grid-item img {
            height: 60px;
            width: auto;
            max-width: 100%;
            object-fit: contain;
        }

        /* 行业认可网格 */
        .Certifications_container .recognition-grid {
            display: flex;
            justify-content: space-between;
            margin: 4rem 0;
            flex-wrap: wrap;
            gap: 30px 20px;
        }

        .Certifications_container .recognition-item {
            min-width: 140px;
            text-align: center;
            display: flex;
            flex-direction: column;
        }

        .Certifications_container .recognition-item img {
            height: 80px;
            margin-bottom: 12px;
            object-fit: contain;
            max-width: 100%;
        }

        .Certifications_container .recognition-item p {
            font-size: 1rem;
            color: #555;
            line-height: 1.5;
            margin: 0;
            word-break: break-word;
        }

        /* 证书区域巨量响应式重构 —— 但绝不破坏结构 */
        @media (max-width: 992px) {
            .Certifications_container h1 {
                font-size: 2.2rem;
                margin-top: 3rem;
            }

            .Certifications_container .key-cert-row {
                flex-direction: column;
                align-items: flex-start;
            }

            .Certifications_container .iso-logo-container {
                border-right: none;
                border-bottom: 1px solid #e5e5e5;
                padding-bottom: 15px;
                margin-bottom: 15px;
                margin-right: 0;
                width: 100%;
                justify-content: flex-start;
            }

            .Certifications_container .cert-content-group {
                flex-direction: column;
                border-bottom: none;
                width: 100%;
            }

            .Certifications_container .cert-item-group {
                margin-right: 0;
                margin-bottom: 20px;
                margin-top: 0;
                min-width: 100%;
                flex-wrap: wrap;
            }

            .Certifications_container .cert-name {
                font-size: 2.2rem;
                min-width: 70px;
            }

            .Certifications_container .section-label {
                width: 259px;
                max-width: 100%;
                background-size: contain;
            }

            .Certifications_container .cert-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem 1.5rem;
            }

            .Certifications_container .cert-grid-row-2 {
                grid-column: span 2;
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem 1.5rem;
                justify-items: center;
            }
        }

        @media (max-width: 640px) {
            .Certifications_container .cert-grid {
                /*grid-template-columns: 1fr;*/
                /*gap: 2.5rem;*/
            }

            .Certifications_container .cert-grid-row-2 {
                /*grid-column: span 1;*/
                /*grid-template-columns: repeat(2, 1fr);*/
                /*gap: 2rem 1rem;*/
                justify-items: center;
            }
        }

        @media (max-width: 480px) {
            .Certifications_container h1 {
                font-size: 1.7rem;
            }

            .Certifications_container .section-label {
                font-size: 1.1rem;
                height: 36px;
                line-height: 36px;
                background-size: 200px 36px;
                width: 200px;
            }

            .Certifications_container .cert-name {
                font-size: 1.6rem;
                min-width: 55px;
            }

            .Certifications_container .cert-desc {
                font-size: 0.9rem;
            }

            .Certifications_container .cert-grid-row-2 {
                /*grid-template-columns: 1fr;*/
                justify-items: center;
            }

            .Certifications_container .recognition-grid {
                display: grid;
                justify-content: center;
                grid-template-columns: repeat(2, 1fr);
            }

            .Certifications_container .recognition-item {
                flex: 0 1 160px;
            }
        }

        /* ---------- Overseas 智能工厂 ---------- */
        .Overseas_container {
            width: 100%;
            margin: 0 auto;
            background: #fff;
        }

        .Overseas_container h1 {
            font-size: 2.5rem;
            font-weight: 700;
            color: #222;
            line-height: 1.3;
            margin-bottom: 48px;
            letter-spacing: -0.02em;
            text-align: left;
            padding-top: 3rem;
            word-break: break-word;
        }

        .Overseas_container .grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px 24px;
            align-items: stretch;
            padding: 3rem 0;
        }

        .Overseas_container .item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: flex-start;
            gap: 14px;
            padding: 12px 6px;
            backdrop-filter: blur(2px);
            transition: all 0.4s cubic-bezier(0.23, 1, 0.32, 1);
            opacity: 0;
            transform: translateY(60px);
            transition: opacity 0.9s cubic-bezier(0.22, 1, 0.36, 1), transform 0.9s cubic-bezier(0.22, 1, 0.36, 1), box-shadow 0.3s;
        }

        .Overseas_container .item.animate {
            opacity: 1;
            transform: translateY(0);
        }

        .Overseas_container .item:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }

        .Overseas_container .text {
            font-size: 15px;
            font-weight: 500;
            color: #1e2b3c;
            line-height: 1.5;
            text-align: center;
            max-width: 180px;
            letter-spacing: 0.02em;
            word-break: break-word;
            padding: 0 4px;
        }

        /* Overseas 巨量自适应 —— 保留原规则，强化移动2列 */
        @media (max-width: 1024px) and (min-width: 769px) {
            .Overseas_container .grid {
                grid-template-columns: repeat(4, 1fr);
                gap: 28px 20px;
            }

            .Overseas_container .text {
                font-size: 14px;
            }
        }

        @media (max-width: 480px) {
            .Overseas_container h1 {
                font-size: 1.6rem;
                margin-bottom: 24px;
            }

            .Overseas_container .grid {
                gap: 20px 12px;
            }

            .Overseas_container .item img {
                height: 48px;
            }

            .Overseas_container .text {
                font-size: 0.85rem;
            }
        }

        /* 中间背景图 —— 完全自适应 */
        .aboutus_middle_bg {
            position: relative;
            width: 100%;
            min-height: 404px;
            background-image: url('../image/aboutus_middle_bg.png');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-color: #f5f5f5;
        }

        @media (max-width: 480px) {
            .aboutus_middle_bg {
                min-height: 200px;
            }
        }

        /* ---------- Industries 行业板块 ---------- */
        .Industries_container {
            margin: 0 auto;
            background: #F3F3F6;
            padding: 3rem 20px;
        }

        .Industries_container h1 {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.4s ease-out, transform 0.4s ease-out;
            font-size: 2.5rem;
            font-weight: 700;
            color: #222;
            margin-bottom: 48px;
            word-break: break-word;
        }

        .Industries_container h1.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .Industries_container .Industries_grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(360px, 1fr));
            gap: 60px 40px;
        }

        .Industries_container .Industries_card {
            opacity: 0;
            transform: translateY(40px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .Industries_container .Industries_card.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .Industries_container .Industries_card h2 {
            font-size: 1.5rem;
            font-weight: 600;
            color: #f2992e;
            margin-bottom: 12px;
            word-break: break-word;
        }

        .Industries_container .Industries_card p {
            font-size: 1.1rem;
            line-height: 1.6;
            color: #333;
            word-break: break-word;
        }

        /* 解决方案 */
        .solutions_container {
            margin: 0 auto;
        }

        .solutions_container:nth-child(3n) {
            margin: 0 auto;
            background: #fff;
            padding-top: 70px;
        }

        .solutions_container h1 {
            font-size: 2.2rem;
            font-weight: 700;
            padding-top: 2rem;
            margin-bottom: 40px;
            text-align: left;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease forwards;
        }

        .solutions_container2 h1 {
            font-size: 2.2rem;
            font-weight: 700;
            margin-bottom: 40px;
            text-align: left;
            opacity: 0;
            transform: translateY(30px);
            animation: fadeInUp 0.6s ease forwards;
        }

        .solutions_container .solutions-grid,
        .solutions_container2 .solutions-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 20px;
        }

        .solutions_container .solution-card,
        .solutions_container2 .solution-card {
            opacity: 0;
            transform: translateY(50px);
        }
        
        
        .solutions_container .solution_card_top{
            height: 200px;
        }

        .solutions_container:nth-child(3n) .solution_card_top{
            height: 150px;
        }

        .solutions_container .solution-card:nth-child(1) {
            animation: fadeInUp 0.5s ease 0.2s forwards;
        }
        .solutions_container2 .solution-card:nth-child(1) {
            animation: fadeInUp 0.8s ease 0.2s forwards;
        }

        .solutions_container .solution-card:nth-child(2) {
            animation: fadeInUp 0.5s ease 0.4s forwards;
        }
        .solutions_container2 .solution-card:nth-child(2) {
            animation: fadeInUp 0.8s ease 0.4s forwards;
        }

        .solutions_container .solution-card:nth-child(3) {
            animation: fadeInUp 0.5s ease 0.6s forwards;
        }
        .solutions_container2 .solution-card:nth-child(3) {
            animation: fadeInUp 0.8s ease 0.6s forwards;
        }

        .solutions_container .solution-card h2,
        .solutions_container2 .solution-card h2 {
            font-size: 1.3rem;
            font-weight: 600;
            color: #555;
            margin-bottom: 8px;
            position: relative;
            display: inline-block;
        }

        .solutions_container .solution-card h2::after,
        .solutions_container2 .solution-card h2::after {
            content: '';
            position: absolute;
            bottom: -8px;
            left: 0;
            width: 100px;
            height: 3px;
            background-color: #F0831F;
        }

        .solutions_container .solution-card .subtitle,
        .solutions_container2 .solution-card .subtitle {
            font-size: 0.85rem;
            font-weight: 600;
            color: #555;
            margin: 24px 0 0 0;
            text-transform: uppercase;
            letter-spacing: 0.5px;
        }

        .solutions_container .solution-card p {
            font-size: 0.9rem;
            color: #555;
            /* height: 20px;
            padding-bottom: 10px; */
        }

        .solutions_container .solution-card p:nth-child(2),
        .solutions_container2 .solution-card p:nth-child(2) {
            font-weight: bold;
            margin-top: 20px;
        }

        /* .solutions_container .solution-card p:nth-child(3) {
            height: 60px;
        } */

        .solutions_container2 .solution-card p {
            font-size: 0.9rem;
            color: #555;
            margin: 30px 0;
        }

        .solutions_container2 .solution-card p:nth-child(3) {
            height: 30px;
            margin-top: 8px;
        }
        
        .solutions_container2 .solution-card p:last-child(3) {
            height: 30px;
            margin-top: 8px;
        }
        
        /*.solutions_container2 .solutions-grid .solution-card:nth-child(2) p:last-of-type,*/
        /*.solutions_container2 .solutions-grid .solution-card:nth-child(3) p:last-of-type {*/
        /*    margin-bottom: 44px;*/
        /*}*/


        .solutions_container .solution-card img {
            width: 100%;
            height: 600px;
            border-radius: 12px;
            object-fit: cover;
            margin-top: 60px;
            margin-bottom: 70px;
        }

        .solutions_container:nth-of-type(2) img {
            width: 100%;
            height: 600px;
            border-radius: 12px;
            object-fit: cover;
            margin-top: 90px;
        }

        /*下载中心*/
        .downloads_container {
            margin: 0 auto;
            padding-top: 70px;
        }

        /* Section Styles */
        .downloads_container .section {
            margin-bottom: 60px;
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.6s ease-out, transform 0.6s ease-out;
        }

        .downloads_container .section.visible {
            opacity: 1;
            transform: translateY(0);
        }

        .downloads_container .section-title {
            font-size: 28px;
            color: #F0831F;
            margin-bottom: 30px;
            padding-bottom: 10px;
            border-bottom: 2px solid #F0831F;
        }

        /* Company Profile */
        .downloads_container .company-profile {
            padding: 20px 0;
        }

        .downloads_container .brochure-card {
            display: inline-block;
            text-align: center;
        }

        .downloads_container .brochure-card img {
            max-width: 200px;
            height: auto;
            margin-bottom: 10px;
        }

        .downloads_container .brochure-card p {
            font-size: 12px;
            color: #666;
            margin-bottom: 10px;
        }

        .downloads_container .download-btn {
            display: inline-block;
            padding: 6px 12px;
            color: #333;
            text-decoration: none;
            border-radius: 20px;
            font-size: 12px;
            transition: background-color 0.3s;
            border: 1px solid #ccc;
        }

        .downloads_container .download-btn:hover {
            background-color: #F0831F;
            border:1px solid #F0831F;
            color: #fff;
        }

        /* Product Grid */
        .downloads_container .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(150px, 1fr));
            gap: 25px;
        }

        .downloads_container .product-card {
            text-align: center;
            padding: 15px;
            border-radius: 8px;
            transition: transform 0.3s, box-shadow 0.3s;
        }

        .downloads_container .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }

        .downloads_container .product-card img {
            width: 100%;
            height: auto;
            margin-bottom: 10px;
            border-radius: 4px;
        }

        .downloads_container .product-name {
            font-size: 11px;
            color: #666;
            margin-bottom: 8px;
        }
        /* 联系我们 */
        .ContactUs_container{
            padding: 4rem 0;
        }
        .ContactUs_container h1 {
            color: #F0831F;
            text-align: center;
            font-size: 2.5rem;
            margin-bottom: 24px;
            margin-top: 70px;
        }

        .ContactUs_container .intro-text {
            color: #555;
            text-align: center;
            font-size: 14px;
            line-height: 1.5;
            margin-bottom: 40px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }

        .ContactUs_container .form-row {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            margin-bottom: 24px;
            gap: 20px;
        }

        .ContactUs_container .form-group {
            flex: 1;
            min-width: 300px;
        }

        .ContactUs_container .form-group label {
            display: block;
            color: #222;
            font-size: 14px;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .ContactUs_container .form-group label .required {
            color: #ff0000;
        }

        .ContactUs_container .form-group input[type="text"],
        .ContactUs_container .form-group input[type="email"],
        .ContactUs_container .form-group input[type="tel"],
        .ContactUs_container .form-group textarea {
            width: 100%;
            padding: 10px 14px;
            border: 1px solid #cccccc;
            border-radius: 4px;
            font-size: 14px;
            color: #333333;
        }

        .ContactUs_container .form-group textarea {
            min-height: 120px;
            resize: vertical;
        }

        .ContactUs_container .phone-input {
            display: flex;
            align-items: center;
        }

        .ContactUs_container .phone-prefix {
            padding:12.5px 10px;
            background-color: #f5f5f5;
            border: 1px solid #cccccc;
            border-right: none;
            border-radius: 4px 0 0 4px;
            font-size: 14px;
            color: #555;
        }

        .ContactUs_container .phone-input input {
            /*border-radius: 0 4px 4px 0 !important;*/
        }

        .ContactUs_container .code-group {
            display: flex;
            gap: 12px;
            align-items: center;
        }

        .ContactUs_container .code-group input {
            flex: 1;
        }

        .ContactUs_container .code-placeholder {
            width: 100px;
            height: 42px;
            background-color: #dddddd;
            border: 1px solid #cccccc;
            border-radius: 4px;
        }

        .ContactUs_container .submit-btn {
            display: block;
            width: 180px;
            padding: 14px;
            background-color: #F0831F;
            color: #ffffff;
            border: none;
            border-radius: 30px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            margin: 32px auto 40px;
            transition: background-color 0.2s;
        }

        .ContactUs_container .submit-btn:hover {
            background-color: #222;
        }

        .ContactUs_container .contact-footer {
            text-align: center;
            color: #222244;
            font-size: 16px;
        }

        .ContactUs_container .contact-footer p {
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .ContactUs_container .contact-footer a {
            color: #222244;
            text-decoration: none;
        }

        .ContactUs_container .contact-footer a:hover {
            text-decoration: underline;
        }

        .ContactUs_container .contact-footer .icon {
            margin-right: 8px;
            margin-top: 8px;
        }
        .ContactUs_container .contact-footer .icon img{
            
        }
        @media (max-width: 768px) {
            .video-section{margin-top:65px !important;}
            .play-button-overlay{width:50px; height:50px;}
            .play-button-overlay::after{border-top: 10px solid transparent;
    border-bottom: 10px solid transparent;
    border-left: 15px solid #333;}
            .ContactUs_container h1{margin-top: 50px;}
            .Certifications_container .key-certifications{
                margin-bottom: 1rem;
            }
            .solutions_container .solution-card img {
                margin-bottom: 20px;
            }
            .Overseas_container h1 {
                font-size: 1.9rem;
                margin-bottom: 32px;
                padding-left: 0;
                padding-top: 0;
            }

            .Overseas_container .grid {
                grid-template-columns: repeat(2, 1fr) !important;
                gap: 28px 20px;
                padding: 2rem 0;
            }

            .Overseas_container .item {
                padding: 12px 4px;
                gap: 12px;
            }

            .Overseas_container .item img {
                height: 56px;
                width: auto;
            }

            .Overseas_container .text {
                font-size: 0.95rem;
                max-width: 100%;
            }

            .Certifications_container h1 {
                font-size: 1.9rem;
                margin-bottom: 20px;
            }

            .Certifications_container .cert-name {
                font-size: 1.9rem;
                min-width: 65px;
            }

            .Certifications_container .cert-desc {
                font-size: 0.95rem;
            }

            .Certifications_container .iso-logo {
                max-height: 120px;
            }

            .Certifications_container .cert-grid-item img {
                height: 50px;
            }

            .Certifications_container .recognition-item {
                min-width: 140px;
            }

            .Certifications_container .recognition-item img {
                height: 70px;
            }

            .aboutus_card {
                height: 280px;
            }

            .aboutus_card-title {
                font-size: 1.4rem;
            }

            .section-title {
                font-size: 1.5rem;
                margin: 2rem 0;
            }

            .content-section p {
                font-size: 15px;
                line-height: 1.65;
                text-align: left;
            }

            .Industries_container {
                padding: 2.5rem 20px;
            }

            .Industries_container h1 {
                font-size: 1.9rem;
                margin-bottom: 36px;
            }

            .Industries_container .Industries_grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }

            .Industries_container .Industries_card h2 {
                font-size: 1.4rem;
            }

            .Industries_container .Industries_card p {
                font-size: 1rem;
            }

            .solutions_container h1 {
                font-size: 1.8rem;
                text-align: left;
            }

            .solutions_container .solutions-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }

            .solutions_container .solution-card h2 {
                display: block;
            }

            .aboutus_middle_bg {
                min-height: 280px;
            }
            .downloads_container .section-title {
                font-size: 24px;
            }

            .downloads_container product-grid {
                grid-template-columns: repeat(auto-fill, minmax(120px, 1fr));
                gap: 15px;
            }
        }

        @media (max-width: 480px) {
            .Industries_container h1 {
                font-size: 1.7rem;
            }
            .downloads_container .section-title {
                font-size: 20px;
            }

            .downloads_container .product-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 10px;
            }
        }

        /* 动画关键帧 */
        @keyframes fadeInUp {
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* 平滑滚动 */
        html {
            scroll-behavior: smooth;
        }

        /* 保留所有原有脚本所需的样式，无任何删除，仅增强适应性 */