* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: "Microsoft YaHei", sans-serif;
        }

        html{
            font-size: 16px;
        }

        a {
            text-decoration: none;
        }

        header{
 box-shadow: 0 2px 8px rgba(0,0,0,0.08);
        }

        .nav-container {
            width: 1306px;
            max-width: 100%;
            margin: 0 auto;
        }

        .navbar {
            width: 100%;
            height: 100px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 0 20px;
            position: relative;
            z-index: 999;
        }

        .logo img {
            
            height: 80px;
            object-fit: contain;
            cursor: pointer;
        }

        .nav-menu {
            display: flex;
            list-style: none;
            justify-content: space-around;
            flex: 1;
            margin: 0 30px;
        }

        .nav-menu li {
            position: relative;
            line-height: 70px;
            text-align: center;
        }

        .nav-menu li a {
            text-decoration: none;
            color: #333;
            font-size: 16px;
        }

        .nav-menu li a:hover {
            color: #1d8ce8;
        }

        .nav-menu li .submenu {
            position: absolute;
            top: 69px;
            left: 50%;
            transform: translateX(-50%);
            min-width: 160px;
            background: #fff;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            border-radius: 6px;
            list-style: none;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s;
            z-index: 99;
            padding: 10px;
        }

        .nav-menu li .submenu li{
            line-height: 40px;
                white-space: nowrap;
        }

        .nav-menu li:hover .submenu {
            opacity: 1;
            visibility: visible;
        }

        .search-icon {
            font-size: 18px;
            cursor: pointer;
            padding: 8px;
        }

        .hamburger {
            display: none;
            font-size: 22px;
            cursor: pointer;
            margin-left: 15px;
        }
        .search-box {
            width: 100%;
            height: 0;
            overflow: hidden;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #fff;
            box-shadow: 0 2px 6px rgba(0,0,0,0.05);
            transition: height 0.3s ease;
        }
        .search-box.active {
            height: 60px;
            padding: 0 20px;
        }
        .search-inner {
            width: 600px;
            max-width: 90%;
            display: flex;
            align-items: center;
            background: #f7f8fa;
            border-radius: 30px;
            padding: 0 18px;
        }
        .search-inner input {
            flex: 1;
            height: 40px;
            border: none;
            outline: none;
            background: none;
        }
        .search-inner button {
            border: none;
            background: none;
            color: #2d8cf0;
            cursor: pointer;
        }
        .search-close {
            margin-left: 12px;
            cursor: pointer;
            color: #999;
        }
.banner{
    width: 100%;
}
.banner img{
    width: 100%;
    display: block;
}
.container{
    max-width: 1306px;
            margin: auto;
         padding: 80px 20px;
}

        .ab-container {
            display: flex;
            align-items: center;
            gap: 60px;
        }

        .ab-container {
            flex: 1;
        }

        .index-title-row {
            display: flex;
            align-items: flex-end;
            gap: 12px;
            margin-bottom: 38px;
        }

        .title-block {
            width: 30px;
            height: 6px;
            background-color: #1d8ce8;
        }

       
        .index-en-title {
            font-size: 18px;
            color: #b3b3b3;
            line-height: 1;
        }

      
        .index-main-title {
            font-size: 35px;
            font-weight: bold;
            color: #000;
            margin-bottom: 10px;
        }

        .ab-content {
            font-size: 16px;
            color: #626262;
            line-height: 30px;
            text-align: justify;
        }

        .ab-right {
            
            height: 415px;
            flex-shrink: 0;
        }

        .ab-right img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            border-radius: 4px;
        }

        .product-section {
            width: 100%;
            min-height: 600px;
            
            background: linear-gradient(135deg, #0A4F9E 0%, #1D8CE8 100%);
            background: url('../images/bg_02.jpg') no-repeat;
            position: relative;
            overflow: hidden;
            padding: 80px 20px;
            text-align: center;
             background-size: cover;
        }

        .product-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y2="0%"><stop offset="0%" style="stop-color:%23ffffff;stop-opacity:0" /><stop offset="50%" style="stop-color:%23ffffff;stop-opacity:0.1" /><stop offset="100%" style="stop-color:%23ffffff;stop-opacity:0" /></linearGradient></defs><path d="M0,200 Q250,100 500,200 T1000,200" fill="none" stroke="url(%23grad)" stroke-width="2" opacity="0.5"/><path d="M0,400 Q250,300 500,400 T1000,400" fill="none" stroke="url(%23grad)" stroke-width="1" opacity="0.3"/></svg>') repeat;
            opacity: 0.3;
            pointer-events: none;
        }

        .section-title {
            margin-bottom: 80px;
            position: relative;
            z-index: 1;
        }
        .section-title h2 {
            font-size: 36px;
            color: #fff;
            font-weight: 600;
            margin-bottom: 15px;
            position: relative;
            display: inline-block;
        }
       
        .section-title h2::before,
        .section-title h2::after {
            content: "";
            position: absolute;
            top: 50%;
            width: 80px;
            height: 3px;
            background-color: #fff;
            opacity: 0.8;
        }
        .section-title h2::before {
            left: -100px;
        }
        .section-title h2::after {
            right: -100px;
        }
        .section-title p {
            font-size: 22px;
            color: rgba(255,255,255,0.9);
            font-weight: 300;
        }

        
        .product-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 30px;
            max-width: 1200px;
            margin: 0 auto 50px;
            position: relative;
            z-index: 1;
        }

       
        .product-card {
            background-color: rgba(255,255,255,0.1);
            border-radius: 8px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            border: 1px solid rgba(255,255,255,0.2);
        }
        .product-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 12px 30px rgba(0,0,0,0.2);
        }

        
        .product-img {
            width: 100%;
            height: 200px;
            background-color: #0156c3;
            display: flex;
            align-items: center;
            justify-content: center;
            padding: 20px;
        }
        .product-img img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

       
        .product-name {
            background-color: #0e74f4;
            color: #fff;
            padding: 15px;
            font-size: 18px;
            font-weight: bold;
        }

        
        .view-more-btn {
            display: inline-block;
            background-color: #1d8ce8;
            color: #fff;
            border: none;
            padding: 15px 50px;
            font-size: 20px;
            border-radius: 6px;
            cursor: pointer;
            transition: background-color 0.3s ease;
            text-decoration: none;
            position: relative;
            z-index: 1;
        }
        .view-more-btn:hover {
            background-color: #0A74DA;
        }
.honor-wrap {
    margin: 60px auto 0;
}
.honor-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}
.honor-item {
    flex: 1;
    min-width: 220px;
    border: 1px solid #e5e5e5;
    padding: 15px;
    background: #fff;
    align-items: center;
    justify-content: center;
    display: flex;
}
.honor-item img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

        .advantage-section {
            width: 100%;
            min-height: 600px;
            background: linear-gradient(135deg, #f8fbff 0%, #e0edff 100%);
            padding:0  0 60px 0;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .advantage-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" width="100%" height="100%"><defs><linearGradient id="grad" x1="0%" y1="0%" x2="100%" y1="0%"><stop offset="0%" style="stop-color:%231D8CE8;stop-opacity:0" /><stop offset="50%" style="stop-color:%231D8CE8;stop-opacity:0.1" /><stop offset="100%" style="stop-color:%231D8CE8;stop-opacity:0" /></linearGradient></defs><path d="M0,100 Q250,50 500,100 T1000,100" fill="none" stroke="url(%23grad)" stroke-width="1" opacity="0.3"/></svg>') repeat;
            opacity: 0.4;
            pointer-events: none;
        }

        .section-header {
            margin-bottom: 30px;
            position: relative;
            z-index: 1;
        }
        .section-header h2 {
            font-size: 36px;
            color: #111;
            font-weight: 600;
            position: relative;
            display: inline-block;
        }
        .section-header .en-title {
            font-size: 18px;
            color: #b3b3b3;
            margin-top: 8px;
            letter-spacing: 1px;
        }
    
        .advantage-desc {
            margin: 0 auto 50px;
            font-size: 18px;
            color: #6c6c6c;
            line-height: 1.8;
            text-align: center;
            position: relative;
            z-index: 1;
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
           
            margin: 0 auto;
            position: relative;
            z-index: 1;
        }

        .advantage-card {
            background-color: #fff;
            border-radius: 12px;
            padding: 40px 25px;
            box-shadow: 0 8px 20px rgba(0,0,0,0.05);
            transition: all 0.3s ease;
        }
        .advantage-card:hover {
            transform: translateY(-10px);
            box-shadow: 0 15px 35px rgba(29, 140, 232, 0.15);
        }

        .icon-wrapper {
            width: 100px;
            height: 100px;
            margin: 0 auto 25px;
            background-color: rgba(29, 140, 232, 0.1);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .icon-wrapper i {
            font-size: 42px;
            color: #1D8CE8;
        }

        .advantage-card h3 {
            font-size: 32px;
            color: #111;
            margin-bottom: 15px;
            font-weight: 600;
        }

        .advantage-card p {
            font-size: 24px;
            color: #555;
            line-height: 1.6;
        }

        
        .news-section {
            width: 100%;
            background-color: #ffffff;
            padding: 60px 20px 100px;
        }

        .news-title {
            text-align: center;
            margin-bottom: 50px;
        }
        .news-title h2 {
            font-size: 28px;
            color: #333;
            position: relative;
            display: inline-block;
        }
        .news-title .en {
            font-size: 18px;
            color: #1d8ce8;
            margin-top: 5px;
            letter-spacing: 1px;
        }

        .news-container {
            max-width: 1306px;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
        }

        .news-left {
            width: 48%;
            height: 100%;
            display: flex;
            flex-direction: column;
            padding: 20px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }
        .news-image {
            width: 100%;
            height: 280px;
            background-color: #f0f5fa;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 20px;
        }
        .news-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .news-main-title {
            font-size: 20px;
            color: #000000;
            font-weight: 600;
            margin-bottom: 10px;
            line-height: 1.5;
        }
        .news-main-desc {
            font-size: 15px;
            color: #666;
            line-height: 1.7;
            flex: 1;
        }

        .news-right {
            width: 48%;
            display: flex;
            flex-direction: column;
            justify-content: space-between;
            padding: 20px;
            background: #fff;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.08);
        }
        .news-list-item {
            display: flex;
            justify-content: flex-start;
            align-items: center;
            padding: 15px 0;
            cursor: pointer;
            transition: all 0.3s ease;
            border-bottom: 1px solid #f5f5f5;
            height: 100%;
        }
        .news-list-item:hover {
            padding-left: 10px;
            color: #1d8ce8;
        }
    
        .news-list-item::before {
            content: "";
            width: 13px;
            height: 13px;
            background-color: #1d8ce8;
            border-radius: 50%;
            margin-right: 12px;
            flex-shrink: 0;
        }

        .news-list-title {
            font-size: 15px;
            color: #333;
            flex: 1;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            max-width: 80%;
        }

        .news-list-date {
            font-size: 13px;
            color: #999;
            white-space: nowrap;
            margin-left: 10px;
        }

        .partner-section {
            width: 100%;
            background-color: #f7f7f7;
            padding: 60px 20px 100px;
            text-align: center;
        }

        .partner-section-container {
            max-width: 1306px;
            margin: 0 auto;
            overflow: hidden;
            /*display: grid;
            grid-template-columns: repeat(4, 1fr); 
            gap: 30px;*/
        }

        .partner-item {
            background-color: #fff;
            padding: 20px;
            border-radius: 6px;
            transition: all 0.3s ease;
            margin: 10px;
            height: 100%;
        }
        .partner-item:hover {
        }
        .partner-item img {
            width: auto !important;
            height: 90px;
            display: block;
        }

        .partner-grid table{
            width: 100%;
        }

      
        footer {
            background-color: #323238;
            color: #fff;
            padding: 60px 20px 20px;
        }

    
        .footer-container {
            max-width: 1306px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 2fr repeat(5, 1fr);
            gap: 40px;
            margin-bottom: 40px;
        }

  
        .footer-brand {
            display: flex;
            flex-direction: column;
        }
        .footer-logo {
            width: 120px;
            margin-bottom: 20px;
        }
        .footer-logo img {
            width: 100%;
            height: auto;
        }
        .footer-contact {
            line-height: 2.2;
            font-size: 16px;
            color: #fff;
        }
        .footer-contact span {
            color: #aaa;
        }
.footer-contact a {
            color: #aaa;
        }
        .footer-column {
            display: flex;
            flex-direction: column;
        }
        .footer-column h4 {
            font-size: 18px;
            margin-bottom: 5px;
        }
        .footer-column h4 a{
            color: #fff;
            font-size: 18px;
        }
        .footer-column a {
            color: #aaa;
            text-decoration: none;
            line-height: 2.2;
            font-size: 15px;
            transition: color 0.3s ease;
        }
        .footer-column a:hover {
            color: #1d8ce8;
        }
        .footer-copyright {
            text-align: center;
            padding: 20px 0;
            border-top: 1px solid #3a3a40;
            color: #aaa;
            font-size: 16px;
            background-color: #28282a;
        }
         
    .neiye-container {
      
    }

    
    .neiye-tab-nav {
      width: 100%;
      display: flex;
      justify-content: center;
      flex-wrap: nowrap;
      
      background: #fff;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
      overflow-x: auto; 
  white-space: nowrap;
    }

    .neiye-tab-item {
      padding: 16px 40px;
      text-align: center;
      cursor: pointer;
      font-size: 16px;
      color: #333;
      background-color: #fff;
      transition: all 0.3s ease;
      border: none;
      outline: none;
      width: 20%;
      white-space: nowrap;
    }

    .neiye-tab-item.active {
      background-color: #1d8ce8;
      color: #ffffff;
    }

   
    .neiye-tab-content {
      width: 100%;
      max-width: 1200px;
      margin: 0 auto;
      padding: 6vmin 20px 100px;
    }
.neiye-grid{
display: none;
}
    .neiye-product-grid {
      
      grid-template-columns: repeat(4, 1fr);
      gap: 36px;
    }
.neiye-grid.active{
display: block;
}
    .neiye-product-grid.active {
      display: grid;
    }

    .neiye-product-card {
      border: 1px solid #eee;
      box-shadow: 0 2px 8px rgba(0,0,0,0.08);
      overflow: hidden;
      margin-bottom: 14px;
    }

    .neiye-product-img {
      width: 100%;
      
      
      display: flex;
      align-items: center;
      justify-content: center;
        overflow: hidden;
    }



    .neiye-product-img img {
      width: 100%;
      height: auto;
      padding: 5%;
        transition: all 0.5s;
    }

.neiye-product-img:hover img{
    transform: scale(1.05);
}

    .neiye-product-title {
      padding:0 16px 16px;
      font-size: 14px;
      color: #333;
      line-height: 1.6;
    }

    .neiye-product-btn {
      padding: 0 16px 28px;
    }

    .neiye-product-btn a {
      display: inline-block;
      padding: 6px 16px;
      border: 1px solid #1d8ce8;
      color: #1d8ce8;
      text-decoration: none;
      border-radius: 50px;
      font-size: 14px;
      transition: all 0.3s;
    }

    .neiye-product-btn a:hover {
      background-color: #1d8ce8;
      color: #fff;
    }

        .dow-container {
            max-width: 1200px;
            margin: 60px auto;
            margin-bottom: 100px;
        }
        .dow-list {
            width: 100%;
        }
        .dow-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 50px 20px 30px;
            border-bottom: 1px solid #eee;
            font-size: 16px;
            color: #333;
        }

        .dow-item-name {
            flex: 1;
        }

        .dow-download {
            display: flex;
            align-items: center;
            gap: 8px;
            color: #555555;
            text-decoration: none;
            font-size: 16px;
            transition: color 0.3s;
            width: 160px;
        }

        .dow-pdf-icon {
            width: 20px;
            height: 20px;
            background-image: url('../images/d3.png');
            background-size: contain;
            background-repeat: no-repeat;
        }

.dow-pdf-icon.cad{
    background-image: url('../images/d4.png');
}

        .dow-item-tit{
            background-color: #1d8ce8;
            color: #fff;
        }
        .dow-item-p{
            color: #fff;
            width: 145px;
        }
    
        .about-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 10px 0px;
        }

.about-text img{
    max-width: 100%;
}
        .about-images {
            display: flex;
            gap: 10px;
            width: 100%;
        }

        .about-img-item {
            flex: 1;
            overflow: hidden;
        }

        .about-img-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

.hon-wrap {
    max-width: 1200px;
    margin: 60px auto 0;
    padding: 0 20px;
}
.hon-list {
    display: flex;
    flex-wrap: wrap;
    gap: 40px;
    justify-content: space-between;
}
.hon-item {
    flex: 1;
    min-width: 220px;
    border: 1px solid #e5e5e5;
    padding: 15px;
    background: #fff;
    display: flex;
    justify-content: center;
    align-items: center;
}
.hon-item img {
    max-width: 100%;
    height: auto;
    display: block;
    object-fit: cover;
}

        .par-partner {
            width: 100%;
        }

        .par-grid {
            max-width: 1100px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 30px;
        }

        .par-item {
            border: 1px solid #e5e5e5;
            background-color: #fff;
            padding: 20px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }
        .par-item:hover {
            box-shadow: 0 4px 15px rgba(29, 140, 232, 0.15);
            transform: translateY(-3px);
        }
        .par-item img {
            max-width: 100%;
            height: auto;
        }

        .news-card a {
            text-decoration: none;
            color: inherit;
            display: block;
            height: 100%;
        }

        .news-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 50px;
            margin-bottom: 40px;
        }

        .news-card {
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            height: 100%;
        }

        .news-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }

        .card-image {
            width: 100%;
            object-fit: cover;
            display: block;
        }

        .card-content {
            padding: 20px;
        }

        .card-date {
            font-size: 13px;
            color: #1d8ce8;
            margin-bottom: 10px;
        }

        .card-title {
            font-size: 16px;
            font-weight: 500;
            color: #000;
            margin-bottom: 12px;
            line-height: 1.5;
        }

        .card-desc {
            font-size: 13px;
            color: #676767;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .pagination {
            display: flex;
            justify-content: center;
            align-items: center;
            gap: 8px;
            list-style: none;
        }

        .page-btn {
            min-width: 36px;
            height: 36px;
            border: none;
            border-radius: 4px;
            background-color: #fff;
            color: #333;
            font-size: 14px;
            cursor: pointer;
            transition: background-color 0.2s;
            display: block;
            line-height: 36px;
            text-align: center;
        }

        .page-btn.active {
            background-color: #1d8ce8;
            color: #fff;
        }

        .page-btn:hover:not(.active) {
            background-color: #e9ecef;
        }

        .video-grid-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
.video-card {
            background: #ffffff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
            cursor: pointer;
            transition: transform 0.3s ease;
        }
        .video-thumbnail-wrapper {
            position: relative;
            background-color: #444;
            aspect-ratio: 16/10;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .card-video {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .play-btn-overlay {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 50px;
            height: 50px;
            background-color: rgba(255,255,255,0.9);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            pointer-events: none;
        }
        .play-btn-overlay::after {
            content: '';
            width: 0;
            height: 0;
            border-top: 10px solid transparent;
            border-bottom: 10px solid transparent;
            border-left: 16px solid #1d8ce8;
            margin-left: 2px;
        }
        .video-card:hover {
            transform: translateY(-3px);
        }
        .video-card-title {
            padding: 20px;
            font-size: 16px;
            color: #333;
            line-height: 28px;
        }

        .video-modal-overlay {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0,0,0,0.9);
            display: none;
            align-items: center;
            justify-content: center;
            z-index: 9999;
            padding: 15px;
        }
        .video-modal-content {
            position: relative;
            width: 100%;
            max-width: 1200px;
            background-color: #000;
            border-radius: 6px;
            overflow: hidden;
        }
        .modal-video-player {
            width: 90%;
            display: block;
            margin: auto;
        }

        .modal-close-btn {
            position: absolute;
            top: 0;
            right: 0;
            background: rgba(255,255,255,0.2);
            border: none;
            color: #fff;
            font-size: 16px;
            cursor: pointer;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background 0.3s;
        }
        .modal-close-btn:hover {
            background: rgba(255,60,60,0.8);
        }

        .modal-nav-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(255,255,255,0.15);
            border: none;
            color: #fff;
            width: 44px;
            height: 70px;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
            border-radius: 4px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .modal-nav-btn:hover {
            background-color: rgba(29,140,232,0.8);
        }
        .modal-prev-btn {
            left: 3px;
        }
        .modal-next-btn {
            right: 3px;
        }
 .contact-section {
            max-width: 1200px;
            margin: 0 auto;
            padding: 120px 20px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }

        .contact-info {
            display: flex;
            flex-direction: column;
            gap: 40px;
        }
        .company-name {
            font-size: 24px;
            color: #1d8ce8;
            font-weight: 500;
            margin-bottom: 50px;
        }
        .info-item {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            font-size: 18px;
            color: #414141;
            margin-bottom: 30px;
        }
        .info-item i {
            color: #414141;
            font-size: 20px;
            margin-top: 3px;
            min-width: 20px;
        }
        .qrcode-box {
            width: 300px;
            margin-top: 10px;
        }
        .qrcode-box img {
            width: 100%;
            height: 100%;
            display: block;
        }
        .map-container {
            width: 100%;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
         .ne-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 70px 20px;
        }

        .ne-title {
            font-size: 30px;
            font-weight: 500;
            text-align: center;
            margin-bottom: 44px;
            line-height: 1.4;
        }
        .ne-meta {
            display: flex;
            justify-content: center;
            gap: 30px;
            color: #777;
            font-size: 14px;
            margin-bottom: 60px;
        }
        .ne-meta-item {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .ne-meta-item i {
            color: #777;
        }
        .ne-divider {
            width: 100%;
            height: 1px;
            background-color: #eee;
            margin: 30px 0;
        }
        .ne-content {
            color: #6c6c6c;
            margin-bottom: 30px;
            line-height: 48px;
        }
        .ne-content img{
            max-width: 100%;
        }
        .ne-nav {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid #eee;
            color: #6c6c6c;
        }
        .ne-nav p {
            margin: 14px 0;
        }
        .ne-nav a {
            color: #6c6c6c;
            text-decoration: none;
        }
        .ne-nav a:hover {
            text-decoration: underline;
        }

        .pro-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 60px 20px 100px;
        }

        .pro-header {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

.pro-gallery {
  width: 558px;
  overflow:hidden ;
}
.pro-main-image {
  width: 100%;
  aspect-ratio: 4/3;
  overflow: hidden;
  margin-bottom: 15px;
}
.pro-main-image img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}

.pro-thumbnails {
  position: relative;
  display: flex;
  align-items: center;
  /*gap: 20px;*/
  width: 100%;
  overflow: hidden;
}
.thumb-list {
  display: flex;
  gap: 20px;
  overflow: auto;
}
.thumb-item {
  width: 80px;
  height: 60px;
  flex-shrink: 0;
  cursor: pointer;
  border: 2px solid transparent;
}
.thumb-item img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.thumb-item.active {
  border-color: #1d8ce8; 
}

.thumb-arrow {
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: rgba(0,0,0,0.25);
  color: #fff;
  border: none;
  display: flex;
  align-items: center;
  justify-content: center;
  cursor: pointer;
  flex-shrink: 0;
}
        .thumb-prev {
            left: 20px; 
        }
        .thumb-next {
            right: 20px; 
        }

        .pro-info h1 {
            font-size: 20px;
            margin-bottom: 15px;
            color: #222;
        }
        .pro-info-item {
            font-size: 16px;
            color: #888;
            line-height: 40px;
        }
        .pro-info-item strong {
            color: #333;
        }
        .pro-btn {
            margin-top: 25px;
            padding: 10px 30px;
            background-color: #1d8ce8;
            color: #fff;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background 0.3s;
            font-size: 20px;
        }
        .pro-btn:hover {
            background-color: #1477cc;
        }

        .pro-detail-section {
            border: 1px solid #eee;
            padding: 20px;
        }
        .pro-detail-tab {
            display: inline-block;
            background-color: #1d8ce8;
            color: #fff;
            padding: 12px 40px;
            border-radius: 6px ;
            margin-bottom: 20px;
            font-size: 20px;
        }
        .pro-detail-content{
            color: #555;
            line-height: 40px;
        }
        .pro-detail-content h2 {
            font-size: 18px;
            margin-bottom: 15px;
            color: #222;
        }
        .pro-detail-content img{
            max-width: 100%;
        }
 


      /* ====================== 响应式布局 ====================== */
@media (max-width: 1200px) {
            .footer-container {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
                align-items: center;
                text-align: center;
            }
            .footer-contact {
                text-align: center;
            }
        }

        @media (max-width: 992px) {
    .logo img{
        height: 50px;
    }
    .navbar {
    height: 70px;
    }
            .nav-menu {
        position: fixed;
        top: 70px;
        left: 0;
        width: 100%; 
        background: #1d8ce8;
        flex-direction: column;
        padding: 0;
        box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        height: 0;
        overflow: hidden;
        transition: all 0.3s ease;
    }
    .nav-menu.show {
        height: auto;
        max-height: 100vh;
    }
    
    .nav-menu li {
        line-height: 50px;
        text-align: center;
        background: #1d8ce8;
        border-bottom: 1px solid #1896ff;
    }
    .nav-menu li a{
        color: #fff;
        display: block;
    }
    .nav-menu li a:hover {
    color: #fff;
    }
    .nav-menu li .submenu {
        position: relative;
        top: 0;
        left: 0;
        transform: none;
        width: 100%;
        box-shadow: none;
        background: #f5f5f5; 
        opacity: 1;
        visibility: visible;
        display: none;
    }
    .nav-menu li .submenu li {
        background:#51adf9;
        border-bottom: none;
    }
    .nav-menu li .submenu li a{
        display: block;
    }
    .nav-menu li .submenu.show {
        display: block;
    }
    .hamburger {
        display: block;
    }
    .search-icon {
        margin-left: auto;
        padding-right: 10px;
    }

    .container{
        padding: 40px 20px;
    }
     .ab-container {
                flex-direction: column;
                gap: 30px;
            }

            .ab-right {
                width: 100%;
                height: auto;
                min-height: 300px;
            }
             .section-title h2 {
                font-size: 30px;
            }
            .section-title h2::before,
            .section-title h2::after {
                width: 50px;
            }
            .section-title h2::before {
                left: -70px;
            }
            .section-title h2::after {
                right: -70px;
            }
            .honor-list {
        gap: 30px;
    }
    .honor-item {
        flex: 1 1 calc(50% - 30px);
    }
    .section-header h2 {
                font-size: 30px;
            }
            .news-container {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .news-image {
                height: 220px;
            }
             .partner-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 25px;
    }
    .neiye-product-grid {
        grid-template-columns: repeat(2, 1fr);
      }
      .neiye-product-card{
        margin-bottom: 0;
      }
       .about-title {
                font-size: 28px;
            }
            .about-text {
                font-size: 16px;
            }
            .about-title {
                font-size: 24px;
            }
            .about-text {
                font-size: 15px;
            }
            .about-images {
                flex-direction: column;
            }
            .about-img-item {
                height: 200px;
            }
            .hon-list {
        gap: 30px;
    }
    .hon-item {
        flex: 1 1 calc(50% - 30px);
    }
    .par-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 25px;
            }
             .news-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .video-grid-container {
                grid-template-columns: repeat(2, 1fr);
            }
            .contact-section {
                grid-template-columns: 1fr;
                gap: 30px;
                padding: 40px 20px 70px;
            }
            .contact-info {
                order: 1;
                gap: 15px;
            }
            .map-container {
                order: 2;
                margin-top: 26px;
            }
            .qrcode-box {
                width: 250px;
                height: 250px;
            }
            .pro-header {
                grid-template-columns: 1fr;
                gap: 30px;
            }
}

@media (max-width: 768px) {
            .section-title h2 {
                font-size: 26px;
            }
            .section-title h2::before,
            .section-title h2::after {
                display: none;
            }
            .section-title p {
                font-size: 18px;
            }
            .product-grid {
                grid-template-columns: repeat(auto-fit, minmax(180px, 1fr));
                gap: 20px;
            }
            .view-more-btn {
                padding: 12px 40px;
                font-size: 18px;
            }
            .advantage-section {
                padding: 0px 15px;
            }
            .section-header {
                margin-bottom: 25px;
            }
            .section-header h2 {
                font-size: 26px;
            }
            
            .advantage-desc {
                font-size: 16px;
                padding: 0 10px;
            }
            .advantage-grid {
                grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
                gap: 20px;
            }
            .advantage-card {
                padding: 30px 20px;
            }
            .icon-wrapper {
                width: 80px;
                height: 80px;
            }
            .icon-wrapper i {
                font-size: 36px;
            }
            .advantage-card h3 {
                font-size: 20px;
            }
            .news-section {
                padding: 40px 15px;
            }
            .news-title{
                margin-bottom: 15px;
            }
            .news-title h2 {
                font-size: 24px;
            }
            .news-main-title {
                font-size: 18px;
            }
            .news-main-desc {
                font-size: 14px;
            }
            .news-list-title {
                font-size: 14px;
            }
            .news-list-date {
                font-size: 12px;
            }
            .partner-section {
                padding: 40px 15px;
            }
            .partner-grid {
        grid-template-columns: repeat(2, 1fr);
        gap: 20px;
    }
            .partner-item {
                padding: 15px;
            }
footer {
                padding: 40px 15px 15px;
            }
            .footer-container {
                grid-template-columns: (1fr 1fr);
                gap: 30px;
            }
            .footer-column {
                align-items: center;
                text-align: center;
            }
            .footer-column h4 {
                font-size: 20px;
            }
            .footer-column a {
                font-size: 16px;
            }
            .footer-contact {
                font-size: 16px;
            }
            .footer-copyright {
                font-size: 14px;
            }
            .neiye-tab-item {
				font-size: 14px;
				padding: 12px 8px;
			}
			.dow-item {
                padding: 12px 15px;
                font-size: 15px;
            }
            .dow-download {
                font-size: 15px;
            }
            .par-partner {
                padding: 40px 15px;
            }
            .par-title h2 {
                font-size: 26px;
            }
            .par-title .en {
                font-size: 16px;
            }
            .par-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
            .par-item {
                padding: 15px;
            }
            
            .modal-prev-btn {
                left: 10px;
            }
            .modal-next-btn {
                right: 10px;
            }
            .modal-nav-btn {
                width: 36px;
                height: 60px;
                font-size: 16px;
                background: rgba(0,0,0,0.4);
            }
            .modal-close-btn {
                width: 32px;
                height: 32px;
                top: 0px;
            }
            .ne-container {
                padding: 20px 15px;
            }
            .ne-title {
                font-size: 18px;
                margin-bottom: 26px;
            }
            .ne-meta {
                flex-direction: column;
                align-items: center;
                gap: 8px;
                margin-bottom: 30px;
            }
            .ne-content {
                font-size: 14px;
                line-height: 32px;
            }
            .ne-nav{
                font-size: 14px;
                line-height: 32px;
            }
            .ne-divider{
                 margin: 18px 0;
            }
        }

        @media (max-width: 576px) {
    .hon-item {
        flex: 1 1 100%;
    }
    .news-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .company-name {
                font-size: 18px;
                margin-bottom: 30px;
            }
            .info-item {
                font-size: 16px;
                margin-bottom: 26px;
            }
            .qrcode-box {
                width: 100%;
                max-width: 280px;
                height: 280px;
            }
            .pro-container {
                padding: 20px 15px;
            }
            .pro-main-img {
                aspect-ratio: 1/1;
            }
            .pro-info h1 {
                font-size: 18px;
            }
        

}

        @media (max-width: 480px) {
            .product-section {
                padding: 40px 15px;
            }
            .section-title {
                margin-bottom: 30px;
            }
            .section-title h2 {
                font-size: 22px;
            }
            .section-title p {
                font-size: 16px;
            }
            .product-img {
                height: auto;
            }
            .product-name {
                font-size: 16px;
                padding: 12px;
            }
             .advantage-grid {
                grid-template-columns: 1fr;
            }
            .advantage-card {
                padding: 25px 15px;
            }
            .advantage-card p {
                font-size: 15px;
            }
            .news-image {
                height: 180px;
            }
            .news-list-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 5px;
            }
            .news-list-date {
                margin-left: 0;
            }
            .partner-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
            .neiye-tab-item {
				font-size: 12px;
				padding: 10px 5px;
			}
			
             .neiye-product-grid {
        grid-template-columns: 1fr;
      }
    
      .neiye-tab-item {
        font-size: 12px;
        padding: 10px 5px;
      }
      .dow-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 15px;
            }
            .dow-download {
                align-self: flex-end;
            }
                .dow-item-tit {
        flex-direction: row;
    }
    .dow-container {
    margin: 20px auto;
    margin-bottom: 70px;
    padding: 0 20px;
}
.par-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 15px;
            }
        }

        @media (max-width: 576px) {
    .honor-item {
        flex: 1 1 100%;
    }
    .video-grid-container {
                grid-template-columns: 1fr;
            }
}