* {
	-webkit-box-sizing:border-box;
	-moz-box-sizing:border-box;
	box-sizing:border-box;
}

ul {
	padding:0;
	margin:0;
}
ul li {
	list-style:none;
}
a {
	color:#337ab7;
	text-decoration:none;
}
h2,h3 {
	margin:0;
}
a:focus,a:hover {
	/* color:#23527c; */
	text-decoration:none;
}
a:focus {
	outline:none;
	outline-offset:-2px;
}
@media (max-width:768px) {
	body {
	padding-top:60px;
}
}
/* 左下角数字分页器 - 精准匹配效果图样式 */
#banner .swiper-pagination {
    left: 12% !important;   /* 左对齐位置，可根据需要调整 */
    bottom: 50px !important;/* 底部距离，可根据需要调整 */
    width: auto !important; /* 自适应宽度，不占满全屏 */
}

/* 分页器数字基础样式 */
#banner .swiper-pagination-bullet {
    width: 60px;            /* 数字区域宽度（适配01/02/03） */
    text-align: left;
    height: 40px;           /* 数字区域高度 */
    background: transparent;/* 去掉默认背景圆点 */
    opacity: 1;             /* 始终显示 */
    color: #ccc;            /* 未激活数字颜色（浅灰色） */
    font-size: 16px;        /* 数字字号（匹配效果图大小） */
    font-weight: normal;    /* 未激活不加粗 */
    line-height: 30px;      /* 数字垂直居中 */
    text-align: left;     /* 数字水平居中 */
    position: relative;     /* 用于定位下划线 */
    margin: 0 10px !important; /* 数字之间的间距 */
                 /* 清除默认内边距 */
}

/* 分页器下划线样式 */
#banner .swiper-pagination-bullet::after {
    content: '';
    position: absolute;
    bottom: 0;              /* 下划线紧贴数字底部 */
    left: 0;
    width: 100%;            /* 下划线宽度和数字区域一致 */
    height: 2px;            /* 下划线粗细 */
    background-color: #ccc; /* 未激活下划线颜色（浅灰色） */
    transition: all 0.3s;   /* 切换时平滑过渡 */
}

/* 激活态数字样式 */
#banner .swiper-pagination-bullet-active {
    color: #007aff;         /* 激活态数字颜色（蓝色，匹配效果图） */
    font-weight: bold;      /* 激活态数字加粗 */
}

/* 激活态下划线样式 */
#banner .swiper-pagination-bullet-active::after {
    background-color: #007aff; /* 激活态下划线蓝色 */
}


/* ////////////////////// */
 /* 视图框架 1400px */
        .services-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 50px 0;
        }

        /* 标题 */
        .section-title {
            text-align: center;
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 40px;
        }

        /* 选项卡导航 */
        .tabs-nav {
            display: flex;
            justify-content: center;
            border-bottom: 1px solid #e0e0e0;
            margin-bottom: 40px;
            overflow-x: auto;
            scrollbar-width: none;
        }

        .tabs-nav::-webkit-scrollbar {
            display: none;
        }

        .tab-link {
            padding: 16px 32px;
            font-size: 0.85vw;
            color: #666;
            text-decoration: none;
            font-weight: 500;
            white-space: nowrap;
            transition: all 0.3s ease;
            border-bottom: 3px solid transparent;
        }

        .tab-link:hover {
            color: #40a9ff;
        }

        .tab-link.active {
            color: #40a9ff;
            border-bottom-color: #40a9ff;
        }

        /* 选项卡内容：三栏布局 */
        .tab-content {
            display: none;
            animation: fadeIn 0.5s ease;
        }

        .tab-content.active {
            display: grid;
            grid-template-columns: 1fr 1fr 1fr;
            align-items: center;
            gap: 30px;
        }

        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(10px); }
            to { opacity: 1; transform: translateY(0); }
        }

        /* 左侧图片 */
        .tab-image {
            display: flex;
            justify-content: center;
            align-items: center;
        }

        .tab-image img {
            max-width: 100%;
            height: auto;
            max-height: 380px;
            object-fit: contain;
        }

        /* 中间：打勾列表（核心要求） */
        .features-list {
            list-style: none;
            padding: 0 20px;
        }

        .features-list li {
            font-size: 0.8vw;
            line-height: 1.8;
            color: #555;
            margin-bottom: 16px;
            padding-left: 30px;
            position: relative;
        }

        .features-list li::before {
            content: "✓";
            position: absolute;
            left: 0;
            top: 0;
            color: #40a9ff;
            font-weight: bold;
            font-size: 1.4rem;
        }

        /* 右侧：标题 + 描述 + 按钮 */
        .tab-text {
            padding: 0 10px;
        }

        .tab-text h2 {
            font-size: 1.2vw;
            margin-bottom: 20px;
            color: #333;
            font-weight: 600;
        }

        .tab-text p {
            font-size: 0.8vw;
            line-height: 1.7;
            color: #555;
            margin-bottom: 30px;
        }

        .buttons-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .btn {
            padding: 14px 32px;
            font-size: 0.8vw;
            font-weight: 500;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }

        .btn-primary {
            background-color: #1c62b8;
            color: white;
        }

        .btn-primary:hover {
            background-color: #0d47cc;
        }

        .btn-secondary {
            background-color: #69b1ff;
            color: white;
        }

        .btn-secondary:hover {
            background-color: #40a9ff;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .tab-content.active {
                grid-template-columns: 1fr;
                text-align: center;
                gap: 20px;
            }
            .features-list {
                padding: 0;
            }
            .features-list li {
                padding-left: 0;
            }
            .features-list li::before {
                position: static;
                margin-right: 8px;
            }
            .buttons-group {
                justify-content: center;
            }
        }

        @media (max-width: 768px) {
            .section-title {
                font-size: 2.2rem;
            }
        }

/* ///////////////////// */
    /* ========== 以下所有类名均为唯一命名 ========== */
        /* 全局容器 1400px - 唯一类名 */
        .industries-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
        }

        /* 行业服务模块外层 - 唯一类名 */
        .industries-served-section {
            margin: 40px 0;
        }

        /* 模块标题 - 唯一类名 */
        .industries-served-title {
            text-align: center;
            font-size: 2vw;
            font-weight: 600;
            color: #333;
            margin-bottom: 50px;
        }

        /* 卡片网格布局 - 唯一类名 */
        .industries-served-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        /* 单个行业卡片 - 唯一类名 */
        .industry-served-card {
            background-color: #f8fbff;
            border-radius: 4px;
            overflow: hidden;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

        /* 卡片hover效果 - 唯一类名 */
        .industry-served-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.05);
        }

        /* 卡片图片容器 - 唯一类名 */
        .industry-served-image-wrapper {
            width: 100%;
            height: 200px;
            overflow: hidden;
        }

        /* 卡片图片 - 唯一类名 */
        .industry-served-image {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.3s ease;
        }

        /* 图片hover缩放 - 唯一类名关联 */
        .industry-served-card:hover .industry-served-image {
            transform: scale(1.05);
        }

        /* 卡片内容区域 - 唯一类名 */
        .industry-served-content {
            padding: 24px;
        }

        /* 卡片标题 - 唯一类名 */
        .industry-served-heading {
            font-size: 1vw;
            font-weight: 600;
            color: #333;
            margin-bottom: 16px;
        }

        /* 卡片描述文本 - 唯一类名 */
        .industry-served-description {
            font-size: 0.8vw;
            line-height: 1.6;
            color: #666;
            margin-bottom: 24px;
        }

        /* 查看详情链接 - 唯一类名 */
        .industry-served-view-details {
            display: inline-flex;
            align-items: center;
            font-size: 0.8vw;
            color: #53a1ff;
            text-decoration: none;
            font-weight: 500;
            transition: color 0.3s ease;
        }

        /* 链接hover效果 - 唯一类名 */
        .industry-served-view-details:hover {
            color: #0d47cc;
        }

        /* 链接箭头图标 - 唯一类名 */
        .industry-served-arrow-icon {
            margin-left: 8px;
            width: 16px;
            height: 16px;
        }

        /* 响应式适配 - 全部使用唯一类名 */
        @media (max-width: 1200px) {
            .industries-served-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            .industries-served-title {
                font-size: 2rem;
            }
        }

        @media (max-width: 600px) {
            .industries-served-grid {
                grid-template-columns: 1fr;
            }
            .industry-served-image-wrapper {
                height: 180px;
            }
        }
		
		
	/* 	////////////////// */
	
 /* ========== 唯一类名前缀：material-selection-* ========== */
 .material{padding:50px 0;background:#f5f5f5;}
        /* 全局容器 1400px */
        .material-selection-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            /* background-color: #ffffff; */
            /* padding: 60px 40px; */
            border-radius: 8px;
        }

        /* 选项卡整体布局（左右结构） */
        .material-selection-wrapper {
            display: flex;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            justify-content: space-between;
        }

        /* 左侧轮播+选项卡导航区域 */
        .material-selection-left {
            display: flex;
            flex-direction: column;
            gap: 30px;
            width: 50%;
        }

        /* 选项卡导航（Metallic/Engineering） */
        .material-selection-tabs {
            display: flex;
            gap: 24px;
            /* border-bottom: 1px solid #e0e0e0; */
            padding-bottom: 8px;
        }

        .material-selection-tab {
            font-size: 1vw;
            color: #666;
            text-decoration: none;
            padding: 8px 0;
            border-bottom: 2px solid transparent;
            transition: all 0.3s ease;
            cursor: pointer;
        }

        .material-selection-tab.active {
            color: #53a1ff;
            border-bottom-color: #53a1ff;
            font-weight: 500;
        }

        /* Swiper轮播容器 - 核心：默认隐藏所有轮播容器，只显示active的 */
        .material-selection-swiper-box {
            display: none;
            width: 100%;
            /* 移除relative，箭头容器单独控制定位 */
        }
        .material-selection-swiper-box.active {
            display: block;
        }

        /* 新增：轮播内容+箭头容器，用于统一控制箭头位置 */
        .swiper-container-wrap {
            position: relative;
            width: 100%;
        }

        /* Swiper轮播内容 */
        .material-selection-swiper-slide {
            /* width: 50% !important; */ /* 一屏显示两个物料 */
            display: flex !important;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            padding: 0 10px;
        }

        .material-selection-slide-image {
            width: 100%;
            /* height: 280px; */
            background-color: #ffffff; /* 去掉灰色背景，匹配参考图 */
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
            border-radius: 4px;
            overflow: hidden;
        }

        .material-selection-slide-image img {
            max-width: 100%;
            max-height: 100%;
            object-fit: contain;
        }

        .material-selection-slide-name {
            font-size: 0.8vw;
            color: #333;
            font-weight: 500;
        }

        /* Swiper自定义箭头 - 核心修改：移到轮播下方居中，增加间隔 */
        .material-selection-swiper-arrow {
            position: absolute;
            /* 核心修改：top改为bottom，移到轮播下方 */
            top: calc(100% + 20px); /* 轮播底部+20px间隔 */
            width: 30px;
            height: 30px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
            border: none;
            font-size: 12px;
        }
  .material .swiper-container{padding-bottom: 75px;}
        /* 箭头居中调整：基于容器水平居中，左右偏移 */
       .material .material-selection-swiper-prev {
            left: calc(50% - 20px); /* 向左偏移20px */
            transform: translateX(-100%);
            background-color: #53a1ff;
            color: white;
            background-image: none;
            top: 93%;
            width: 45px;
            height: 45px;
            font-size: 1vw;
        }

       .material .material-selection-swiper-next {
            left: calc(50% + 20px); /* 向右偏移20px */
            transform: translateX(0);
            background-color: #ffffff;
            background-image: none;
            color: #666;
            border: 1px solid #e0e0e0;
            top: 93%;
            width: 45px;
            height: 45px;
            font-size: 1vw;
        }

        .material-selection-swiper-arrow:hover {
            transform: scale(1.05) translateX(var(--translate-x, 0));
        }
        /* 修复hover时的偏移问题 */
        .material-selection-swiper-prev:hover {
            --translate-x: -100%;
        }

        /* 右侧文字内容区域 - 核心：默认隐藏所有文字容器，只显示active的 */
        .material-selection-right {
            display: flex;
            flex-direction: column;
            gap: 16px;
            width: 40%;
        }
        .material-selection-content-box {
            display: none;
        }
        .material-selection-content-box.active {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .material-selection-title {
            font-size: 1.4vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 8px;
        }

        .material-selection-desc {
            font-size: 0.8vw;
            line-height: 1.6;
            color: #666;
            margin-bottom: 8px;
        }

        .material-selection-more-btn {
            display: inline-block;
            padding: 10px 20px;
            background-color: #53a1ff;
            color: white;
            text-decoration: none;
            border-radius: 4px;
            font-size: 0.85vw;
            font-weight: 500;
            transition: background-color 0.3s ease;
            align-self: flex-start;
            border: none;
            cursor: pointer;
            margin-top: 8px;
        }

        .material-selection-more-btn:hover {
            background-color: #0d47cc;
        }

        /* 响应式适配 */
        @media (max-width: 1024px) {
            .material-selection-wrapper {
                grid-template-columns: 1fr;
            }
            .material-selection-content-box.active {
                text-align: center;
            }
            .material-selection-more-btn {
                align-self: center;
            }
        }

        @media (max-width: 768px) {
            .material-selection-title {
                font-size: 2rem;
            }
            .material-selection-slide-image {
                height: 200px;
            }
            .material-selection-container {
                padding: 0;
            }
        }

        @media (max-width: 600px) {
            .material-selection-swiper-slide {
                width: 100% !important; /* 小屏一屏显示一个物料 */
            }
        }	
/* 	////////////////////// */


   /* ========== 定制流程模块 - 唯一类名前缀：custom-process-* ========== */
   .custom{padding:50px 0;}
        .custom-process-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            text-align: center;
            padding: 0 20px;
        }

        /* 标题区域 */
        .custom-process-title {
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 16px;
        }

        .custom-process-desc {
            font-size: 0.8vw;
            line-height: 1.6;
            color: #666;
            /* max-width: 800px; */
            margin: 0 auto 60px;
        }

        /* 流程步骤容器 */
        .custom-process-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            margin-bottom: 60px;
            flex-wrap: wrap;
        }

        /* 单个流程步骤 */
        .custom-process-step {
            flex: 1;
            min-width: 120px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        /* 步骤图标容器 */
        .custom-process-icon-box {
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background-color: #f0f7ff;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all 0.3s ease;
        }

        .custom-process-icon-box:hover {
            transform: scale(1.05);
            background-color: #e6f0ff;
        }

        /* 图标样式 - 替换为更匹配参考图的SVG图标（精准还原） */
        .custom-process-icon {
            width: 48px;
            height: 48px;
            color: #53a1ff;
        }

        /* 步骤文字 */
        .custom-process-step-name {
            font-size: 0.8vw;
            font-weight: 500;
            color: #333;
            line-height: 1.4;
        }

        /* 按钮区域 */
        .custom-process-buttons {
            display: flex;
            justify-content: center;
            gap: 24px;
            flex-wrap: wrap;
        }

        /* 按钮基础样式 - 核心：添加淡色外边框 */
        .custom-process-btn {
            padding: 12px 32px;
            border-radius: 60px;
            font-size: 0.8vw;
            font-weight: 500;
            cursor: pointer;
            transition: all 0.3s ease;
            border: none;
            text-decoration: none;
            display: inline-block;
            /* 核心新增：淡色外边框（5px左右视觉效果） */
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.1); /* 淡蓝色边框，透明度10% */
            position: relative;
            z-index: 1;
        }

        /* Get a Quote 按钮 - 深色背景+淡色外边框 */
        .custom-process-btn-quote {
            background-color: #1c62b8;
            color: white;
            /* 调整阴影：外边框+内阴影，匹配参考图的层次感 */
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.15), 
                        inset 0 2px 4px rgba(0, 0, 0, 0.1);
        }

        .custom-process-btn-quote:hover {
            background-color: #0d47cc;
            transform: translateY(-2px);
            /* hover时外边框加深 */
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.2), 
                        inset 0 2px 4px rgba(0, 0, 0, 0.15);
        }

        /* More details 按钮 - 白色背景+淡色边框 */
        .custom-process-btn-details {
            background-color: #53a1ff;
            color: #fff;
            /* 核心：淡色外边框（5px）+ 细实线边框 */
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.1);
            border: 1px solid #53a1ff;
        }

        .custom-process-btn-details:hover {
            background-color: #53a1ff;
            transform: translateY(-2px);
            /* hover时外边框加深 */
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.15);
            color: #fff;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .custom-process-title {
                font-size: 2rem;
            }
            .custom-process-icon-box {
                width: 100px;
                height: 100px;
            }
            .custom-process-icon {
                width: 40px;
                height: 40px;
            }
        }

        @media (max-width: 768px) {
            .custom-process-steps {
                gap: 40px 20px;
            }
            .custom-process-step {
                flex: 0 0 calc(50% - 10px);
            }
            .custom-process-desc {
                margin-bottom: 40px;
            }
            .custom-process-buttons {
                gap: 16px;
            }
            .custom-process-btn {
                padding: 10px 24px;
                /* 移动端边框缩小为4px，适配小屏 */
                box-shadow: 0 0 0 4px rgba(22, 93, 255, 0.1);
            }
        }

        @media (max-width: 480px) {
            .custom-process-step {
                flex: 0 0 100%;
            }
            .custom-process-title {
                font-size: 1.8rem;
            }
            .custom-process-btn {
                width: 100%;
                max-width: 280px;
            }
        }
		
		
		
		
	/* 	//////////////////// */
	
	
	 /* ========== 表面处理模块 - 唯一类名前缀：surface-treatment-* ========== */
	 .surface{padding:50px 0;background:#f5f5f5;}
        .surface-treatment-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            text-align: center;
            padding: 0 20px;
        }

        /* 标题区域 */
        .surface-treatment-title {
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 16px;
        }

        .surface-treatment-desc {
            font-size: 0.8vw;
            line-height: 1.6;
            color: #666;
            /* max-width: 800px; */
            margin: 0 auto 60px;
        }

        /* Swiper轮播容器 */
        .surface-treatment-swiper {
            width: 100%;
            margin-bottom: 40px;
            position: relative; /* 新增：用于箭头绝对定位 */
        }

        /* 轮播单页内容 */
        .surface-treatment-slide {
            display: flex !important;
            justify-content: center;
            align-items: stretch;
            gap: 20px;
        }

        /* 单个表面处理项 - 移除卡片阴影/圆角，匹配参考图的纯白背景 */
        .surface-treatment-item {
            flex: 1;
            /* min-width: 250px; */
            max-width: 350px;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 24px;
            /* background-color: #ffffff; */
            padding: 0; /* 移除内边距，匹配参考图 */
            border-radius: 0; /* 移除圆角 */
            box-shadow: none; /* 移除阴影 */
            transition: none; /* 移除hover动画，匹配参考图 */
        }

        /* 图片容器 - 调整高度，匹配参考图比例 */
        .surface-treatment-img-box {
            width: 100%;
            /* height: 280px; */ /* 调整高度，更贴合参考图 */
            display: flex;
            align-items: center;
            justify-content: center;
            overflow: hidden;
        }

        .surface-treatment-img {
            /* max-width: 90%; */
            /* max-height: 90%; */
            object-fit: contain;
        }

        /* 名称文字 - 调整样式，匹配参考图 */
        .surface-treatment-name {
            font-size: 0.85vw;
            font-weight: 400; /* 取消加粗 */
            color: #666; /* 改为灰色，匹配参考图 */
            text-transform: lowercase; /* 小写，匹配参考图 */
            margin-top: 10px;
        }

        /* 核心修改：自定义左右箭头按钮（匹配参考图样式） */
        .surface-treatment-arrows {
            display: flex;
            justify-content: center;
            gap: 12px;
            margin-top: 40px;
        }

        .surface-treatment-arrow-btn {
            width: 45px;
            height: 45px;
            border-radius: 50%;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1vw;
            line-height: 1;
        }

        /* 激活态箭头（蓝色背景+白色箭头） */
        .surface-treatment-arrow-btn.active {
            background-color: #53a1ff;
            color: #ffffff;
        }

        /* 未激活态箭头（白色背景+灰色箭头） */
        .surface-treatment-arrow-btn:not(.active) {
            background-color: #ffffff;
            color: #e0e0e0;
            border: 1px solid #e0e0e0;
        }

        /* 响应式适配 */
        @media (max-width: 1200px) {
            .surface-treatment-slide {
                gap: 16px;
            }
            .surface-treatment-item {
                /* min-width: 220px; */
            }
            .surface-treatment-img-box {
                height: 240px;
            }
        }

        @media (max-width: 992px) {
            .surface-treatment-title {
                font-size: 2rem;
            }
            .surface-treatment-slide {
                flex-wrap: wrap;
            }
            .surface-treatment-item {
                flex: 0 0 calc(50% - 8px);
            }
        }

        @media (max-width: 768px) {
            .surface-treatment-item {
                flex: 0 0 100%;
                max-width: 320px;
            }
            .surface-treatment-desc {
                margin-bottom: 40px;
            }
            .surface-treatment-img-box {
                height: 200px;
            }
        }

        @media (max-width: 480px) {
            .surface-treatment-title {
                font-size: 1.8rem;
            }
            .surface-treatment-img-box {
                height: 180px;
            }
        }
		
		
		
	/* 	//////////////////// */
	.about-use{padding:50px 0;display: flex;justify-content: flex-end;}
	 /* ========== 关于我们模块 - 唯一类名前缀：about-us-* ========== */
        .about-us-container {
            max-width: 90%;
            width: 87%;
            /* margin: 0 auto; */
            display: flex;
            align-items: center;
            gap: 60px;
            /* padding: 0 20px; */
        }

        /* 左侧文字区域 */
        .about-us-content {
            flex: 1;
            min-width: 300px;
        }

        /* 标题样式 */
        .about-us-main-title {
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 32px;
            line-height: 1.2;
        }

        /* 副标题（蓝色高亮） */
        .about-us-subtitle {
            font-size: 1vw;
            font-weight: 600;
            color: #53a1ff;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        /* 描述文本 */
        .about-us-desc {
            font-size: 0.8vw;
            line-height: 1.8;
            color: #666;
            margin-bottom: 24px;
            max-width: 500px;
        }

        /* 按钮样式 */
        .about-us-btn {
            display: inline-block;
            padding: 12px 32px;
            background-color: #53a1ff;
            color: #ffffff;
            font-size: 0.85vw;
            font-weight: 500;
            text-decoration: none;
            border-radius: 8px;
            transition: all 0.3s ease;
            border: none;
            cursor: pointer;
            margin-top: 16px;
            /* 匹配之前按钮的淡色外边框效果 */
            /* box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.1); */
        }

        .about-us-btn:hover {
            background-color: #0d47cc;
            transform: translateY(-2px);
            box-shadow: 0 0 0 5px rgba(22, 93, 255, 0.2);
        }

        /* 右侧视频区域 */
        .about-us-video-wrapper {
            flex: 1.8;
            min-width: 320px;
            position: relative;
            /* border-radius: 8px; */
            overflow: hidden;
            aspect-ratio: 16/9; /* 视频比例适配 */
        }

        /* 视频封面/容器 */
        .about-us-video {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        /* 播放按钮遮罩 */
        .about-us-play-btn {
            position: absolute;
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            width: 80px;
            height: 80px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.85);
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s ease;
            z-index: 10;
        }

        .about-us-play-btn::after {
            content: "";
            width: 0;
            height: 0;
            border-style: solid;
            border-width: 15px 0 15px 25px;
            border-color: transparent transparent transparent #53a1ff;
            margin-left: 5px; /* 播放三角居中微调 */
        }

        .about-us-play-btn:hover {
            transform: translate(-50%, -50%) scale(1.1);
            background-color: #ffffff;
        }

        /* 响应式适配 */
        @media (max-width: 1200px) {
            .about-us-container {
                gap: 40px;
            }
            .about-us-main-title {
                font-size: 2.4rem;
            }
            .about-us-play-btn {
                width: 70px;
                height: 70px;
            }
        }

        @media (max-width: 992px) {
            .about-us-container {
                flex-direction: column;
                text-align: center;
                gap: 40px;
            }
            .about-us-desc {
                max-width: 100%;
                margin-left: auto;
                margin-right: auto;
            }
            .about-us-video-wrapper {
                width: 100%;
                max-width: 800px;
            }
        }

        @media (max-width: 768px) {
            .about-us-main-title {
                font-size: 2rem;
                margin-bottom: 24px;
            }
            .about-us-play-btn {
                width: 60px;
                height: 60px;
            }
        }

        @media (max-width: 480px) {
            .about-us-main-title {
                font-size: 1.8rem;
            }
            .about-us-subtitle {
                font-size: 1.1rem;
            }
            .about-us-play-btn {
                width: 50px;
                height: 50px;
            }
            .about-us-btn {
                width: 100%;
                max-width: 280px;
            }
        }
		
		
		
		 /* ========== 数据统计模块 - 唯一类名前缀：data-stats-* ========== */
		 .data-stats{padding:50px 0;background: #eaf0fc;}
        .data-stats-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 20px;
            /* padding: 40px 20px; */
        }

        /* 单个数据项 */
        .data-stats-item {
            flex: 1;
            min-width: 120px;
            text-align: left;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
        }

        /* 大号数字（核心样式） */
        .data-stats-number {
            font-size: 3vw;
            font-weight: 700;
            color: #53a1ff; /* 统一主色调 */
            line-height: 1.2;
            letter-spacing: -1px; /* 微调字间距，更紧凑 */
        }

        /* 说明文字 */
        .data-stats-desc {
            font-size: 0.85vw;
            color: #666;
            line-height: 1.4;
            text-transform: capitalize; /* 首字母大写，匹配参考图 */
        }

        /* 响应式适配 */
        @media (max-width: 1200px) {
            .data-stats-number {
                font-size: 3.8rem;
            }
        }

        @media (max-width: 992px) {
            .data-stats-number {
                font-size: 3.2rem;
            }
        }

        @media (max-width: 768px) {
            .data-stats-container {
                flex-wrap: wrap;
                gap: 40px 20px;
            }
            .data-stats-item {
                flex: 0 0 calc(50% - 10px);
            }
            .data-stats-number {
                font-size: 2.8rem;
            }
        }

        @media (max-width: 480px) {
            .data-stats-item {
                flex: 0 0 100%;
            }
            .data-stats-number {
                font-size: 2.5rem;
            }
            .data-stats-desc {
                font-size: 0.9rem;
            }
        }
		
	  /* ========== FAQ模块 - 唯一类名前缀：faq-* ========== */
	  .faqre{padding:50px 0;}
        .faq-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* FAQ标题区域 */
        .faq-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .faq-main-title {
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 16px;
        }

        .faq-desc {
            font-size: 0.85vw;
            line-height: 1.6;
            color: #666;
            /* max-width: 800px; */
            margin: 0 auto;
        }

        /* FAQ折叠面板列表 */
        .faq-accordion {
            display: flex;
            flex-direction: column;
            gap: 1px; /* 项之间的分隔线效果 */
        }

        /* 单个FAQ项 */
        .faq-item {
            background-color: #f5f5f5; /* 收起态浅灰背景 */
            border: none;
            border-radius: 8px;
            overflow: hidden;
            transition: all 0.3s ease;
            margin-bottom: 10px;
        }

        /* FAQ项头部（可点击区域） */
        .faq-item-header {
            display: flex;
            justify-content: space-between;
            align-items: flex-start;
            padding: 24px 20px;
            cursor: pointer;
        }

        /* FAQ日期 */
        .faq-date {
            font-size: 0.85vw;
            color: #999;
            margin-right: 16px;
            min-width: 80px; /* 固定日期宽度，对齐问题文字 */
        }

        /* FAQ问题文字 */
        .faq-question {
            flex: 1;
            font-size: 0.85vw;
            font-weight: 500;
            color: #333;
            line-height: 1.4;
        }

        /* 折叠按钮（+/-） */
        .faq-toggle-btn {
            width: 24px;
            height: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1vw;
            font-weight: 300;
            color: #333;
            background: transparent;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        /* FAQ项内容（展开区域） */
        .faq-item-content {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease;
            padding: 0 20px;
        }

        /* 展开态内容区域 */
        .faq-item-content-inner {
            padding: 0 0 24px 0;
            font-size: 0.85vw;
            line-height: 1.8;
            color: #ffffff; /* 白色文字 */
        }

        /* FAQ项激活/展开态样式 */
        .faq-item.active {
            background-color: #53a1ff; /* 统一主色调，匹配参考图蓝色背景 */
        }
        .faq-item.active .faq-question,
        .faq-item.active .faq-date,
        .faq-item.active .faq-toggle-btn {
            color: #ffffff; /* 展开态文字/按钮白色 */
        }
        .faq-item.active .faq-item-content {
            padding: 0 20px;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .faq-main-title {
                font-size: 2rem;
            }
            .faq-item-header {
                padding: 20px 16px;
            }
        }

        @media (max-width: 768px) {
            .faq-header {
                margin-bottom: 32px;
            }
            .faq-item-header {
                flex-wrap: wrap;
                gap: 8px;
            }
            .faq-date {
                min-width: auto;
                width: 100%;
                margin-right: 0;
            }
        }

        @media (max-width: 480px) {
            .faq-main-title {
                font-size: 1.8rem;
            }
            .faq-item-header {
                padding: 16px 12px;
            }
            .faq-question {
                font-size: 0.95rem;
            }
        }
		
		
		  /* ========== 新闻模块 - 唯一类名前缀：news-* ========== */
		  .newses{padding:50px 0;}
        .news-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            padding: 0 20px;
        }

        /* 新闻标题区域 */
        .news-header {
            text-align: center;
            margin-bottom: 48px;
        }

        .news-main-title {
            font-size: 2vw;
            font-weight: 700;
            color: #333;
            margin-bottom: 16px;
        }

        .news-desc {
            font-size: 0.85vw;
            line-height: 1.6;
            color: #666;
            /* max-width: 800px; */
            margin: 0 auto;
        }

        /* 新闻列表 */
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 1px; /* 项之间的分隔线效果 */
        }

        /* 单个新闻项 */
        .news-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 24px 0;
            border-bottom: 1px solid #eee; /* 底部分隔线 */
        }

        /* 移除最后一项的分隔线 */
        .news-item:last-child {
            border-bottom: none;
        }

        /* 新闻文字内容区域 */
        .news-content {
            flex: 1;
            padding-right: 24px;
        }

        /* 新闻标题 */
        .news-title {
            font-size: 1vw;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 15px;
            text-decoration: none;
            color: #333; /* 默认黑色 */
            transition: color 0.3s ease;
        }

        /* 第一条新闻标题蓝色高亮 */
        .news-item:first-child .news-title {
            /* color: #53a1ff; */ /* 统一主色调 */
        }

        .news-title:hover {
            color: #0d47cc; /* hover加深蓝色 */
        }

        /* 新闻元信息（日期+来源） */
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.85vw;
            color: #999;
            margin-top: 20px;
        }

        /* 新闻图片区域 */
        .news-image-wrapper {
            flex: 0 0 280px; /* 固定图片宽度 */
            height: 160px;
            border-radius: 4px;
            overflow: hidden;
        }

        .news-image {
            width: 100%;
            height: 100%;
            object-fit: cover; /* 保持比例铺满 */
            display: block;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .news-main-title {
                font-size: 2rem;
            }
            .news-item {
                padding: 20px 0;
            }
            .news-image-wrapper {
                flex: 0 0 240px;
                height: 140px;
            }
        }

        @media (max-width: 768px) {
            .news-header {
                margin-bottom: 32px;
            }
            .news-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
                padding: 20px 0;
            }
            .news-content {
                padding-right: 0;
                width: 100%;
            }
            .news-image-wrapper {
                flex: 0 0 100%;
                height: 200px;
            }
        }

        @media (max-width: 480px) {
            .news-main-title {
                font-size: 1.8rem;
            }
            .news-item {
                padding: 16px 0;
            }
            .news-image-wrapper {
                height: 160px;
            }
            .news-meta {
                flex-wrap: wrap;
                gap: 8px;
            }
        }
		
		    /* ========== 报价表单模块 - 唯一类名前缀：quote-* ========== */
        .quote-container {
            max-width: 1400px;
            width: 100%;
            margin: 0 auto;
            display: flex;
            border-radius: 0;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.05);
            margin-bottom: 50px;
            align-items: baseline;
            background: #53a1ff;
        }

        /* 左侧蓝色信息栏 */
        .quote-info-side {
            flex: 0 0 35%;
            background-color: #53a1ff; /* 统一主色调 */
            color: #ffffff;
            padding: 50px 40px;
            display: flex;
            /* flex-direction: column; */
            justify-content: space-between;
            flex-wrap: wrap;
        }

        /* 左侧标题 */
        .quote-info-title {
            font-size: 1.2vw;
            font-weight: 700;
            margin-bottom: 24px;
            line-height: 1.2;
        }

        /* 左侧描述文本 */
        .quote-info-desc {
            font-size: 0.85vw;
            line-height: 1.8;
            margin-bottom: 48px;
            opacity: 0.9;
        }

        /* 左侧联系方式 */
        .quote-contact {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .quote-contact-item {
            font-size: 0.85vw;
            line-height: 1.4;
        }

        .quote-contact-link {
            color: #ffffff;
            text-decoration: underline;
            transition: opacity 0.3s ease;
        }

        .quote-contact-link:hover {
            opacity: 0.8;
        }

        /* 右侧表单区域 */
        .quote-form-side {
            flex: 1;
            background-color: #f5f5f5;
            padding: 60px 40px;
        }

        /* 表单行布局（两列） */
        .quote-form-row {
            display: flex;
            gap: 24px;
            margin-bottom: 20px;
        }

        /* 表单组 */
        .quote-form-group {
            flex: 1;
        }

        /* 表单标签/提示文本 */
        .quote-form-label {
            display: block;
            font-size: 0.85vw;
            font-weight: 5;
            color: #666;
        }
		
		/* 统一修改所有输入框的 placeholder */
/* Chrome / Safari / Opera / 新版 Edge */
.quote-form-side ::-webkit-input-placeholder {
 font-size: 14px;
           font-weight:600;
            color: #666;
  opacity: 1; /* 防止浏览器默认半透明 */
}

/* Firefox 18- */
.quote-form-side :-moz-placeholder {
 font-size: 14px;
           font-weight:600;
            color: #666;
  opacity: 1;
}

/* Firefox 19+ */
.quote-form-side ::-moz-placeholder {
   font-size: 14px;
           font-weight:600;
            color: #666;
  opacity: 1;
}

/* IE 10+ */
.quote-form-side :-ms-input-placeholder {
 font-size: 14px;
           font-weight:600;
            color: #666;
}

/* Edge 旧版 */
.quote-form-side ::-ms-input-placeholder {
 font-size: 14px;
           font-weight:600;
            color: #666;
}

        /* 蓝色提示文本（Project details/Upload your file） */
        .quote-form-hint {
            color: #53a1ff;
            font-weight: 600;
            margin: 24px 0 12px 0;
            font-size: 0.8vw;
        }

        /* 表单输入框/文本域 */
        .quote-form-input,
        .quote-form-textarea {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid #ddd;
            border-radius: 4px;
            font-size: 1rem;
            background-color: #ffffff;
            transition: border-color 0.3s ease;
        }

        .quote-form-input:focus,
        .quote-form-textarea:focus {
            outline: none;
            border-color: #53a1ff;
            box-shadow: 0 0 0 3px rgba(22, 93, 255, 0.1);
        }

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

        /* 文件上传区域 */
        .quote-upload-area {
            width: 100%;
            padding: 40px 20px;
            border: 1px dashed #ddd;
            border-radius: 4px;
            background-color: #ffffff;
            text-align: center;
            margin: 12px 0 24px 0;
            position: relative;
        }

        .quote-upload-text {
            font-size: 0.85vw;
            color: #999;
            margin-bottom: 16px;
        }

        /* 文件上传按钮 */
        .quote-upload-btn {
            display: inline-block;
            padding: 10px 24px;
            background-color: #53a1ff;
            color: #ffffff;
            font-size: 0.85vw;
            font-weight: 500;
            border-radius: 4px;
            cursor: pointer;
            border: none;
            transition: background-color 0.3s ease;
        }

        .quote-upload-btn:hover {
            background-color: #0d47cc;
        }

        /* 隐藏原生文件输入 */
        .quote-upload-input {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            cursor: pointer;
            z-index: 10;
        }

        /* 底部说明文本 */
        .quote-form-note {
            font-size: 0.8vw;
            line-height: 1.6;
            color: #666;
            margin-bottom: 32px;
        }

        .quote-form-note a {
            color: #53a1ff;
            text-decoration: none;
            font-weight: 6;
        }

        .quote-form-note a:hover {
            text-decoration: underline;
        }

        /* 提交按钮 - 调整为居中显示 */
        .quote-submit-btn {
            display: block;
            width: fit-content;
            margin: 0 auto; /* 关键：改为margin 0 auto实现居中 */
            padding: 14px 32px;
            background-color: #53a1ff;
            color: #ffffff;
            font-size: 0.85vw;
            font-weight: 500;
            border-radius: 4px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
        }

        .quote-submit-btn:hover {
            background-color: #0d47cc;
            transform: translateY(-2px);
        }

        /* 响应式适配 */
        @media (max-width: 1200px) {
            .quote-info-side {
                flex: 0 0 40%;
                padding: 40px 30px;
            }
            .quote-form-side {
                padding: 40px 30px;
            }
            .quote-info-title {
                font-size: 1.8rem;
            }
        }

        @media (max-width: 992px) {
            .quote-container {
                flex-direction: column;
            }
            .quote-info-side {
                flex: 1;
                padding: 40px 30px;
            }
            .quote-form-row {
                flex-direction: column;
                gap: 20px;
            }
        }

        @media (max-width: 768px) {
            .quote-info-side,
            .quote-form-side {
                padding: 30px 20px;
            }
            .quote-upload-area {
                padding: 30px 16px;
            }
            .quote-submit-btn {
                width: 100%;
                text-align: center;
            }
        }

        @media (max-width: 480px) {
            .quote-info-title {
                font-size: 1.6rem;
            }
            .quote-form-input,
            .quote-form-textarea {
                padding: 10px 12px;
            }
            .quote-submit-btn {
                padding: 12px 24px;
            }
        }