body {
            overflow-x: hidden;
        }

        /* 固定页面宽度1200px 居中 */
        .container-fix {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
        }

        /* Banner区 */
        .choose-us-banner {
            padding-top: 130px;
            color: #fff;
            background: url('../images/choose-us.jpg') center/cover no-repeat;
            height: 330px;
        }

        /* 内容区块间距 */
        .section {
            padding: 60px 0;
        }

        .sec-title {
            font-size: 26px;
            color: #222;
            margin-bottom: 16px;
        }

        .stats-list {
            padding: 0;
        }

        .stats-list li {margin: 10px 0;display: flex;align-items: center;gap: 10px;font-weight: bold;font-size: 14px;}
        .company-desc{font-size: 15px;;}

        /* 蓝色侧边栏模块 */

        /* 双平台卡片 */
        .platform-card {
            border: 1px solid #eee;
            padding: 20px;
            border-radius: 6px;
            box-shadow: 0 2px 8px #eee;
        }

        /* 平台头部flex布局 */
        .platform-header {
            display: flex;
            align-items: flex-start;
            gap: 15px;
            margin-bottom: 20px;
        }

        .platform-header span {
            flex-shrink: 0;
            width: 50px;
            height: 50px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: bold;
            color: #2563eb;
            background-color: #eff6ff;
        }

        .platform-info {
            flex: 1;
        }

        .platform-info h5 {
            margin: 0;
            font-size: 18px;
            font-weight: bold;
            color: #3D3D3D;
        }

        .platform-info p {
            margin: 2px 0 0 0;
            font-size: 14px;
            color: #6b7280;
        }

        /* 淡紫色背景 */
        .bg-light-purple {
            background-color: #f3e8ff;
        }

        /* 宽度自适应内容 */
        .w-fit {
            width: fit-content;
        }

        /* 服务标签导航 */
        .service-tabs {
            display: flex;
            gap: 40px;
            padding-bottom: 15px;
            border-bottom: 1px solid #e5e7eb;
        }

        .service-tabs span {
            color: #6b7280;
            cursor: pointer;
            font-size: 14px;
            padding-bottom: 10px;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
        }

        .service-tabs span:hover {
            color: #2563eb;
        }

        .service-tabs span.active {
            color: #2563eb;
            border-bottom: 2px solid #2563eb;
        }

        /* 标签页内容 */
        .tab-content {
            display: none;
        }

        .tab-content.active {
            display: block;
        }

        /* 滚动区域标题 */
        .scroll-header h5 {
            font-size: 18px;
            font-weight: bold;
            color: #2563eb;
            margin-bottom: 8px;
        }

        .scroll-header p {
            font-size: 14px;
            color: #666;
            line-height: 1.6;
        }

        /* 横向滚动容器 - 全屏显示 */
        .scroll-container {
            position: relative;
            display: flex;
            align-items: center;
            width: 100vw;
            margin-left: calc(-50vw + 50%);
            padding: 0 30px;
            box-sizing: border-box;
            overflow: hidden;
            /* 隐藏容器本身的滚动条 */
        }

        /* 滚动按钮 */
        .scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid #2563eb;
            background: rgba(255, 255, 255, 0.9);
            color: #2563eb;
            font-size: 22px;
            cursor: pointer;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .scroll-btn:hover {
            background: #2563eb;
            color: #fff;
        }

        .scroll-left {
            left: 20px;
        }

        .scroll-right {
            right: 20px;
        }

        /* 滚动画廊 */
        .scroll-gallery {
            display: flex;
            gap: 20px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 15px 0;
            scrollbar-width: none;
            /* 隐藏滚动条 */
            -ms-overflow-style: none;
            /* IE/Edge */
            width: 100%;
        }

        .scroll-gallery::-webkit-scrollbar {
            display: none;
            /* Chrome/Safari */
        }

        /* 滚动项 */
        .scroll-item {
            flex: 0 0 auto;
            width: 320px;
        }

        .scroll-item img {
            height: 200px;
            object-fit: cover;
        }

        /* 认证内容区域 */
        .cert-content {
            align-items: stretch;
        }

        .blue-sidebar-cert {
            background-color: #4472EC;
            color: #fff;
            padding: 40px 20px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            text-align: center;
        }

        .blue-sidebar-cert h5 {
            font-size: 18px;
            font-weight: bold;
        }

        .blue-sidebar-cert p {
            font-size: 14px;
            line-height: 1.6;
        }

        .imgjc-con {
            align-items: normal;
        }

        .imgjc {
            position: relative;
            height: 400px;
        }

        .blue-sidebar {
            background-color: #4472EC;
            color: #fff;
            height: 100%;
            position: absolute;
            top: 50px;
            left: 0;
            width: 70%;
            height: 420px;
            object-fit: cover;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding-left: 10px;
            padding-right: 280px;
            text-align: center;
        }

        .imgjc img {
            position: absolute;
            width: 530px;
            top: 0;
            right: -10px;
            object-fit: cover;
        }

        .imgjc-con .img-con {
            padding: 0 0 0 50px;
        }

        .platform-card-text h5 {
            font-size: 22px;
            color: #000;
        }

        .platform-card-text p {
            font-size: 22px;
        }

        .btn-list span {
            border: 1px solid #98A9FF;
            border-radius: 10px;
            padding: 2px 10px;
            font-size: 12px;
            color: #585858;
            background-color: #ECF0FC;
        }

        .anli-dec h5 {
            font-size: 28px;
            color: #333;
            margin: 20px 0;
        }

        .anli-dec .btn-price {
            border: 1px solid #98A9FF;
            color: #585858;
            background-color: #ECF0FC;
        }

        /* Responsive Design */
        /* 1. 手机 */
        @media (max-width: 767px) {
            .container-fix {
                padding: 0 15px;
            }

            .banner {
                padding-top: 80px;
                height: 200px;
            }

            .banner h2 {
                font-size: 20px;
            }

            .section {
                padding: 30px 0;
            }

            .sec-title {
                font-size: 20px;
            }

            .service-tabs {
                display: flex;
                justify-content: space-between;
                gap: 5px;
            }

            .service-tabs span {
                flex: 1;
                padding: 10px 5px;
                font-size: 11px;
                text-align: center;
                white-space: nowrap;
                overflow: hidden;
                text-overflow: ellipsis;
            }

            .blue-sidebar,
            .blue-sidebar-cert {
                position: static;
                width: 100%;
                height: auto;
                padding: 20px;
                margin-bottom: 15px;
            }

            .imgjc {
                position: static;
                height: auto;
            }

            .imgjc img {
                position: static;
                width: 100%;
                right: auto;
                top: auto;
            }

            .imgjc-con .img-con {
                padding: 15px 0 0 0;
            }

            .scroll-container {
                width: 100%;
                margin-left: 0;
                padding: 0 15px;
            }

            .scroll-item {
                width: 250px;
            }

            .scroll-item img {
                height: 150px;
            }
        }

        /* 2. 平板 */
        @media (min-width: 768px) and (max-width: 991px) {
            .container-fix {
                padding: 0 20px;
            }

            .banner h2 {
                font-size: 24px;
            }

            .sec-title {
                font-size: 22px;
            }

            .blue-sidebar {
                width: 60%;
                padding-right: 200px;
            }

            .imgjc img {
                width: 400px;
            }

            .scroll-item {
                width: 280px;
            }

            .scroll-item img {
                height: 180px;
            }
        }

        /* 3. 小屏手机 */
        @media (max-width: 480px) {
            .banner {
                height: 160px;
                padding-top: 60px;
            }

            .banner h2 {
                font-size: 16px;
            }

            .banner p {
                font-size: 12px;
            }

            .sec-title {
                font-size: 18px;
            }

            .service-tabs span {
                padding: 6px 10px;
                font-size: 11px;
            }

            .scroll-item {
                width: 200px;
            }

            .scroll-item img {
                height: 120px;
            }
        }

        /* 案例缩略图容器 */
        .case-thumbnails-container {
            position: relative;
            display: flex;
            align-items: center;
            width: 100%;
        }

        .case-scroll-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            width: 35px;
            height: 35px;
            border-radius: 50%;
            border: 1px solid #2563eb;
            background: rgba(255, 255, 255, 0.9);
            color: #2563eb;
            font-size: 18px;
            cursor: pointer;
            z-index: 10;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.1);
        }

        .case-scroll-btn:hover {
            background: #2563eb;
            color: #fff;
        }

        .case-scroll-left {
            left: 0;
        }

        .case-scroll-right {
            right: 0;
        }

        .case-thumbnails-wrapper {
            width: 100%;
            overflow: hidden;
            padding: 0 40px;
        }

        .case-thumbnails {
            display: flex;
            gap: 15px;
            overflow-x: auto;
            scroll-behavior: smooth;
            padding: 10px 0;
            scrollbar-width: none;
            -ms-overflow-style: none;
        }

        .case-thumbnails::-webkit-scrollbar {
            display: none;
        }

        .case-thumbnail {
            flex: 0 0 auto;
            width: 200px;
            cursor: pointer;
            opacity: 0.6;
            transition: all 0.3s ease;
            border: 3px solid transparent;
            border-radius: 8px;
        }

        .case-thumbnail:hover {
            opacity: 1;
            border-color: #dbeafe;
        }

        .case-thumbnail.active {
            opacity: 1;
            border-color: #2563eb;
        }

        .case-thumbnail img {
            height: 120px;
            object-fit: cover;
        }