@charset "utf-8";
/* CSS Document */
*{
	border:0px;
	margin:0px;
	padding:0px;
	
	}
body {
	background-color: #FFF;
	font-family:Arial, Helvetica, sans-serif;
	font-size:11px;
	color:#2b3f78;
	}
.boxs {
  padding: 10px;
  position: relative; /* 为右下角图片定位做准备 */
  width: 80%;
  display: flex;
  flex-wrap: wrap; /* 内容随窗口变化自动换行 */
  margin: 0 auto;
}

.left-content {
  display: flex;
  align-items: center;
}

.left-content img {
  width: 90px;
  height: 90px; /* 正方形图片尺寸，可调整 */
  margin-right: 10px;
}

.company-name {
  text-align: center;
  font-family:"华文行楷";
  font-size:35px;
}

.bottom-right-img {
  position: absolute;
  bottom: 10px;
  right: 10px;
  max-width: 25%;
  max-height: 90px;
  width: auto;
  height: auto;
}

/* 媒体查询实现响应式布局 */
@media (max-width: 768px) {
 .left-content img {
    width: 40px;
    height: 40px;
  }
 .company-name {
    font-size: 14px;
  }
 .bottom-right-img {
    max-width: 60px;
    max-height: 60px;
  }
}

@media (max-width: 480px) {
 .left-content img {
    width: 30px;
    height: 30px;
  }
 .company-name {
    font-size: 12px;
  }
 .bottom-right-img {
    max-width: 40px;
    max-height: 40px;
  }
}





/**
*首行导航栏
*/	
.run {
			background-color:#2b3f78;
			width:100%;
		}
        nav {
            background-color: #2b3f78;
			width:100%;
			margin: 0 auto;
			position: relative; /* 必须加 */
    		z-index: 9999;      /* 必须加，让导航永远在最上层 */         
		}

        nav ul {
            list-style-type: none;
            display: flex;
            justify-content: space-around;
            flex-wrap: nowrap; /*强制不换行*/
			font-size:24px;
			padding: 0;
			margin: 0;
        }

        nav ul li {
            flex: 1; /* 让所有 li 等分剩余空间，自动缩小 */
            min-width: 0; /* 允许内容被压缩 */
            text-align: center;
        }

        nav ul li a {
            display: block;
            color: white;
            text-align: center;
            padding: 14px 8px;
            text-decoration: none;
            white-space: nowrap; /* 文字不换行 */
            overflow: hidden; /* 防止文字溢出 */
        }

        nav ul li a:hover {
            background-color: #ddd;
            color: black;
        }
		
		/* 新增：下拉菜单容器样式 */
        .dropdown {
            position: relative;
        }
        .dropdown-content {
            display: none; /* 默认隐藏 */
            position: absolute;
            top: 100%; /* 紧贴导航栏下方 */
            left: 0;
            width: 100%; /* 宽度和导航栏li一致 */
            background-color: #2b3f78;
            z-index: 999999; /* 确保在最上层 */
        }
        .dropdown-content a {
            font-size: 1.2vw; /* 下拉菜单文字比导航栏小 */
            padding: 10px 4px; /* 内边距适配 */
			overflow: hidden;   
			text-overflow: ellipsis; /* 极端情况才显示省略号，一般不会触发 */
            white-space: nowrap;
            text-align: center;
            border-bottom: 1px solid rgba(255,255,255,0.1); /* 可选：分隔线 */
        }
        /* 鼠标悬浮显示下拉菜单 */
        .dropdown:hover .dropdown-content {
            display: block;
        }
        /* 下拉菜单hover效果 */
        .dropdown-content a:hover {
            background-color: #ddd;
            color: black;
        }

        /* 滑动效果的样式 */
       .slider {
            position: relative;
            height: 4px;
            background-color: white;
            transition: left 0.2s ease;
        }
        @media (max-width: 768px) {
          nav ul {
            font-size: 14px; /* 移动端缩小字体 */
          }
          nav ul li a {
            padding: 12px 4px; /* 进一步减小内边距 */
          }
		  /* 下拉菜单移动端文字大小 */
          .dropdown-content a {
            font-size: 1.0vw; /* 比导航栏文字小 */
            padding: 8px 3px;
          }
        }
        
        @media (max-width: 480px) {
          nav ul {
            font-size: 12px; /* 更小屏幕再缩小 */
          }
		  /* 下拉菜单超小屏文字大小 */
          .dropdown-content a {
            font-size: 0.9vw;
            padding: 6px 2px;
          }
        }
 

/** 图片 **/
.top-pro {
	width: 100%;
	height: 1000px;
	float: left;	
}
.image-slider {
	width: 100%;
	height: 100%;
}

.image-slider .slider {
	width: 100%;
	height: 100%;
	position: absolute;
	transition: all linear 0.8s;
	overflow: hidden;
}

.image-slider .image {
	width: 100%;
	height: 100%;
	
	object-fit: cover;
	position: absolute;
	z-index: 50;
}

.image-slider .slider .content {
	position: absolute;
	z-index: 100;
	color: white;
	background-color: rgba(0, 0, 0, 0.6);
	padding: 48px;
	bottom: 0;
	width: 50%;
}

.image-slider .slider .content h1 {
	margin-bottom: 24px;
}
.image-slider .slider .content .description {
	font-size: 18px;
}

#prev,
#next {
	position: absolute;
	z-index: 150;
	width: 80px;
	height: 80px;
	font-size: 48px;
	color: white;
	
	text-align: center;
	line-height: 80px;
	
	background-color: rgba(0, 0, 0, 0.6);
	border-radius: 50%;
	
	top: calc(50%);
	left: 50px;
	transition: all 0.2s;
	cursor: pointer;
}

#next {
	left: unset;
	right: 50px;
}

.image-slider .slider {
	opacity: 0; /*透明度为0*/
}

.image-slider .slider.current {
	opacity: 1;
}

.image-slider .slider .content {
	opacity: 0;
	transform: translateY(500px);
}

.image-slider .slider.current .content {
	opacity: 1;
	transform: translateY(0);
	transition: all ls ease-in-out 0.4s;
}

#prev:hover,
#next:hover {
	background-color: rgba(255, 255, 255, 0.6);
	color: black;
}

@media screen and (max-width: 960px) {
	.image-slider .slider .content {
		width: 100%;
	}
	
	#prev,
	#next {
		font-size: 24px;
		left: 24px;
		width: 48px;
		height: 48px;
		line-height: 48px;
		top: 40%;	
	}
}




/**
 * 轮播图所在的div样式定义，溢出的内容隐藏
 */
 .carousel {
      position: relative;
      width: 100%;
      overflow: hidden;
    }

    .carousel img {
      width: 100%;
      height: auto;
      display: block;
    }

    .carousel-inner {
      display: flex;
      transition: transform 0.5s ease;
    }

    .carousel-item {
      flex: 0 0 100%;
    }

    .carousel-control {
      position: absolute;
      top: 50%;
      transform: translateY(-50%);
      width: 50px;
      height: 50px;
      background-color: rgba(0, 0, 0, 0.5);
      color: white;
      font-size: 30px;
      display: flex;
      justify-content: center;
      align-items: center;
      cursor: pointer;
    }

    .carousel-control.prev {
      left: 10px;
    }

    .carousel-control.next {
      right: 10px;
    }

    .carousel-indicators {
      position: absolute;
      bottom: 10px;
      left: 50%;
      transform: translateX(-50%);
      display: flex;
    }

    .carousel-indicator {
      width: 10px;
      height: 10px;
      border-radius: 50%;
      background-color: white;
      margin: 0 5px;
      cursor: pointer;
    }

    .carousel-indicator.active {
      background-color: #007bff;
    }
 

/**
* 工程案例
*/ 
.case {
	float:left;
	margin-top:20px;
	width:100%;
	height:100%;
}
h2 {
	text-align:center;
	margin-top:10px;
	font-size: 50px;
	color:#000;
}
p {
	text-align:center;
	font-size: 22px;
	margin-top:10px;
	color:#333;
}
 
 
        .case-scroll {
            overflow: hidden;
            position: relative;
			margin-top:20px;
			margin-bottom:40px;
        }
        .case-list {
            display: flex;
            animation: scroll-left 30s linear infinite; /* 30秒匀速滚动，循环播放 */
        }
        .case-card {
            width: 400px;
             border: 1px solid #ddd;
            border-radius: 4px;
            overflow: hidden;
            margin-right: 20px;
            flex-shrink: 0; /* 防止卡片被压缩 */
        }
        .case-card img {
            width: 100%;
             object-fit: cover;
        }
        .case-card p {
            text-align: center;
            padding: 10px;
            font-size: 20px;
            color: #666;
        }
        /* 滚动动画 */
        @keyframes scroll-left {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%); /* 滚动距离为卡片总宽度的50%，实现无缝循环 */
            }
        }
        /* 鼠标悬浮暂停动画 */
        .case-list:hover {
            animation-play-state: paused;
        }
        /* 响应式适配 */
        @media (max-width: 768px) {
            .case-card {
                width: 150px;
            }
            .case-card img {
                height: 100px;
            }
            @keyframes scroll-left {
                100% {
                    transform: translateX(-70%);
                }
            }
        }

 
/**
*关于我们
*/
.about {
	float:left;
	margin-top:20px;
	width:100%;
}
h1 {
	text-align:center;
	margin-top:10px;
	font-size: 50px;
	color:#000;
}
p {
	text-align:center;
	font-size: 22px;
	margin-top:10px;
	color:#333;
}
.about-us {
  display: flex;
  flex-wrap: wrap;
  padding: 20px;
  width:80%;
  margin: 0 auto;
  background-color:#F8F8F8;
  margin: 20px auto;
}

.left-column {
  flex: 1 1 300px;
  padding-right: 20px;
}
.left-column h2 {
	color:#39F;
	font-size:35px;
	text-align:left;
}
.left-column p {
	text-align:left;
}
  .box {
	border-left:2px solid #0099FF;
	width:350px;
	height:45px; 
	padding-left:10px;
	padding-top:15px;
	margin-bottom:10px;
}
  .box h3{
	font-size:28px;
	color: #000;
	text-align:center;
}
.right-column {
  flex: 1 1 300px;
}

.right-column img {
  width: 100%;
  height: auto;
}

button {
  padding: 8px 16px;
  border: 1px solid #333;
  border-radius: 20px;
  background-color: transparent;
  cursor: pointer;
  margin-top: 10px;
}

button:hover {
  background-color: #333;
  color: white;
}
 .right-content {
      flex: 1;
      min-width: 300px;
      position: relative;
    }

    .image-container {
      width: 100%;
      overflow: hidden;
    }

    .image-container img {
      width: 100%;
      height: auto;
      display: block;
    }

    video {
      width: 100%;
      height: auto;
      display: none;
    }

/*更多详情*/
.btn {
	background:transparent; /*背景色 透明*/
	border:2px solid #000;
	color:#000;
	padding:10px 20px;
	font-weight:bold; /*字体加粗一些*/	
	border-radius:40px / 60px;
	float:right;
	 
	
}

/*伪元素before定义悬浮后样式*/
.btn::before {
	content:"";
	display:block; /*定义为块元素*/
	width:100%;
	height:100%;
	background:#0099ff;
	position:absolute;/*相对父元素*/
 	top:0;
	left:0;/*定义到左上角*/
	transform:skewX(45deg);/*x方向扭曲45度*/
}

/*伪元素初始宽度为0*/
.btn::before {
	width:0%;
	transition:all 1s ease-out; /*过渡持续1s*/
	z-index:-1; /*伪元素层级调整为-1*/
	left:-30px; /*向左偏移一定距离*/
}

/*伪元素悬浮宽度100%*/
.btn:hover::before {
	width:150%;
}
.btn:hover {
	border:2px solid #0099ff;
	color:#0099FF;
	transition:all 1s ease-out;
}
.btn {
	overflow:hidden; /*隐藏溢出部分*/
	position:relative;
}
        .info-nav {
            display: flex;
            justify-content: space-around;
            align-items: center;
            padding: 20px 0;
            border-bottom: 1px solid #eee;
            flex-wrap: wrap; /* 小屏幕自动换行 */
         }
        .info-item {
            display: flex;
            align-items: center;
            margin: 10px 20px;
            cursor: pointer; /* 鼠标悬浮显示指针，提升交互感 */
            transition: all 0.3s ease; /* 变色过渡动画，更丝滑 */
        }
        .info-icon {
            font-size: 42px;
            margin-right: 12px;
            color: #333; /* 默认图标颜色 */
            transition: color 0.3s ease; /* 图标变色过渡 */
        }
        .info-text {
            text-align: left;
        }
        .info-text h3 {
            font-size: 24px;
            color: #333; /* 默认中文标题颜色 */
            margin: 0 0 4px 0;
            transition: color 0.3s ease; /* 标题变色过渡 */
        }
        .info-text p {
            font-size: 24px;
            color: #333; /* 默认图标颜色 */
            margin: 0;
            transition: color 0.3s ease; /* 说明文字变色过渡 */
        }

a {
  text-decoration: none; /* 核心：取消下划线 */
}
        /* 核心：鼠标悬浮时变色 */
        .info-item:hover .info-icon,
        .info-item:hover .info-text h3,
        .info-item:hover .info-text p {
            color: #0099FF; /* 悬浮后统一颜色（可自定义） */
        }

        /* 响应式适配 */
        @media (max-width: 768px) {
            .info-nav {
                justify-content: flex-start;
            }
            .info-item {
                width: 50%;
            }
        }
        @media (max-width: 480px) {
            .info-item {
                width: 100%;
            }
        }
/**
*厂区环境
*/

        .dody {
			width:100%;
 	background-color:#F8F8F8;
	float:left;
	margin-bottom:50px;
	margin-top:30px;
	position:relative;
            background-color: #F8F8F8;
             font-family: "Microsoft Yahei", sans-serif;
            color: #333;
        }
        .factory-section {
            max-width: 90%;
            margin: 0 auto;
            padding: 50px 20px;
        }
        .section-title {
            text-align: center;
            font-size: 36px;
            color: #000;
            margin-bottom: 40px;
        }
        .factory-grid {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }
        .factory-card {
            width: calc(25% - 30px); /* 一行4张，自适应间距 */
            background-color: #fff;
            border-radius: 8px;
            overflow: hidden;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .factory-card img {
            width: 100%;
            height: 250px;
            object-fit: cover;
        }
        .card-content {
            padding: 15px;
        }
        .card-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .card-desc {
            font-size: 14px;
            color: #666;
            line-height: 1.5;
        }
        .pagination {
            display: flex;
            justify-content: center;
            gap: 20px;
            margin-top: 40px;
        }
        .page-btn {
            width: 80px;
            height: 40px;
            background-color: #ccc;
            border: none;
            border-radius: 4px;
            color: #333;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        .page-btn:hover {
            background-color: #999;
            color: #fff;
        }
        .page-btn.prev {
            background-color: #6699cc;
            color: #fff;
        }
        .page-btn.prev:hover {
            background-color: #336699;
        }

        /* 响应式适配 */
        @media (max-width: 992px) {
            .factory-card {
                width: calc(50% - 30px);
            }
        }
        @media (max-width: 576px) {
            .factory-card {
                width: 100%;
            }
            .section-title {
                font-size: 28px;
            }
        }






/**
*定制服务
*/

.customize {
	float:left;
	margin-top:20px;
	width:100%;
}
.customize h1 {
	text-align:center;
	margin-top:10px;
	font-size: 50px;
	color:#000;
}
.customize .p {
	text-align:center;
	font-size: 22px;
	margin-top:10px;
	color:#333;
	margin-bottom: 50px;
}

        .customize .process-container {
            max-width: 90%;
            margin: 0 auto;
        }
        .process-title {
            text-align: center;
            font-size: 30px;
            color: #0066cc;
            margin-bottom: 40px;
            font-weight: bold;
        }
        /* 流程主体容器：网格布局实现精准定位 */
        .process-wrapper {
            display: grid;
            grid-template-columns: repeat(4, 300px); /* 4个步骤卡片宽度 */
            grid-template-rows: auto 60px auto; /* 上排步骤→垂直箭头→下排步骤 */
            justify-content: center;
            align-items: center;
            gap: 20px; /* 步骤间水平间距 */
        }
        /* 上排步骤（1-4步） */
        .top-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            grid-column: 1 / 5; /* 跨4列 */
        }
        /* 下排步骤（5-8步） */
        .bottom-steps {
            display: flex;
            justify-content: space-between;
            align-items: center;
            grid-column: 1 / 5; /* 跨4列 */
        }
        /* 垂直箭头（连接第4步和第5步） */
        .vertical-arrow {
            grid-column: 4 / 5; /* 定位在第4列下方 */
            grid-row: 2 / 3; /* 定位在上下排中间 */
            width: 20px;
            height: 60px;
            margin: 0 auto;
            position: relative;
        }
        /* 步骤卡片样式 */
        .step {
            width: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
        }
        .step-card {
            background-color: #0066cc;
            color: #fff;
            border-radius: 8px;
            padding: 20px 15px;
            text-align: center;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.1);
        }
        .step-icon {
            font-size: 36px;
            margin-bottom: 15px;
        }
        .step-title {
            font-size: 18px;
            font-weight: bold;
            margin-bottom: 10px;
        }
        .step-desc {
            font-size: 14px;
            line-height: 1.5;
        }
        /* 水平箭头（向右）- 上排步骤间 */
        .arrow-right {
            width: 100px;
            height: 2px;
            background-color: #0066cc;
            position: relative;
            margin: 0 10px;
        }
        .arrow-right::after {
            content: "";
            position: absolute;
            right: 0;
            top: 50%;
            transform: translateY(-50%) rotate(45deg);
            width: 10px;
            height: 10px;
            border-top: 2px solid #0066cc;
            border-right: 2px solid #0066cc;
            background-color: transparent;
        }
        /* 水平箭头（向左）- 下排步骤间 */
        .arrow-left {
            width: 100px;
            height: 2px;
            background-color: #0066cc;
            position: relative;
            margin: 0 10px;
        }
        .arrow-left::after {
            content: "";
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%) rotate(-135deg);
            width: 10px;
            height: 10px;
            border-top: 2px solid #0066cc;
            border-right: 2px solid #0066cc;
            background-color: transparent;
        }
        /* 垂直箭头（向下）- 连接第4步和第5步 */
        .vertical-arrow::before {
            content: "";
            position: absolute;
            top: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 2px;
            height: 100%;
            background-color: #0066cc;
        }
        .vertical-arrow::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%) rotate(45deg);
            width: 10px;
            height: 10px;
            border-bottom: 2px solid #0066cc;
            border-right: 2px solid #0066cc;
            background-color: transparent;
        }
        /* 响应式适配（小屏幕保持流程逻辑，调整布局） */
        @media (max-width: 992px) {
            .process-wrapper {
                grid-template-columns: repeat(2, 200px);
                grid-template-rows: auto 40px auto 40px auto 40px auto;
                gap: 30px;
            }
            .top-steps, .bottom-steps {
                flex-direction: column;
                gap: 30px;
                grid-column: 1 / 3;
            }
            .arrow-right, .arrow-left {
                transform: rotate(90deg);
                margin: 10px 0;
            }
            .vertical-arrow {
                grid-column: 2 / 3;
                grid-row: 4 / 5;
            }
        }
        @media (max-width: 576px) {
            .process-wrapper {
                grid-template-columns: 200px;
                grid-template-rows: repeat(8, auto) 40px;
            }
            .top-steps, .bottom-steps {
                grid-column: 1 / 2;
            }
            .vertical-arrow {
                grid-column: 1 / 2;
                grid-row: 9 / 10;
            }
        }


/**
*产品展示
*/
.display {
	float:left;
	margin-top:20px;
	width:100%;
}
 

        /* 唯一父容器：左侧标题 + 右侧分类块 */
        .product-container {
            display: flex;
            align-items: stretch; /* 让右侧分类块区域高度与左侧标题一致 */
            gap: 20px; /* 左右区域间距 */
            padding: 20px;
            max-width: 80%; /* 限制最大宽度，避免过宽 */
            margin: 0 auto; /* 水平居中 */
			margin-top:20px;
        }

        /* 左侧产品分类标题块 */
        .category-title {
            width: 200px; /* 固定宽度 */
            background-color: #007bff;
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            text-align: center;
            font-size: 36px;
            font-weight: 600;
            padding: 20px 10px;
            border-radius: 4px;
        }

        .category-title small {
            font-size: 10px;
            margin-top: 8px;
            opacity: 0.9;
            letter-spacing: 1px;
        }

        /* 右侧灰色分类块容器：自动填充剩余宽度，支持换行 */
        .category-list {
            flex: 1; /* 占据父容器剩余宽度 */
            display: flex;
            flex-wrap: wrap; /* 自动换行，不溢出 */
            gap: 12px; /* 分类块之间的间距 */
            align-content: center; /* 分类块垂直居中排列 */
        }

        /* 灰色分类块样式 */
        .category-item {
            padding: 12px 24px;
            background-color: #eee;
            color: #333;
            cursor: pointer;
            transition: all 0.3s ease;
            font-size: 22px;
            border-radius: 4px;
            white-space: nowrap; /* 防止文字换行 */
        }
		.category-item a{
			color: #000;
		}
		 
		.category-item a:link,
		.category-item a:visited{ 
			color:#000;
			text-decoration:none;
		}
		
		.category-item a:hover,
		.category-item a:active{ 
			color: #FFF;
			text-decoration:none;
		}

        /* 鼠标悬浮效果 */
        .category-item:hover {
            background-color: #28a745; /* 标准绿色 */
            color: white;
            transform: translateY(-1px);
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }

        /* 响应式适配：屏幕较小时，左侧标题在上，分类块在下 */
        @media (max-width: 768px) {
            .product-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .category-title {
                width: 100%;
                margin-bottom: 10px;
            }
            .category-list {
                width: 100%;
            }
        }




h2 {
	text-align:center;
	margin-top:10px;
	font-size: 50px;
	color:#000;
}
p {
	text-align:center;
	font-size: 22px;
	margin-top:10px;
	color:#333;
}
        .container {
            max-width:80%;
            margin: 0 auto;
            padding: 20px;
        }

	
        .product-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        .product-item {
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden; /* 确保卡片内部元素不溢出 */
            text-align: center;
            box-shadow: 0 2px 8px rgba(0,0,0,0.05);
        }

        /* 图片容器：限制图片显示区域，溢出隐藏 */
        .product-img-container {
            width: 100%;
             overflow: hidden; /* 关键：图片放大时超出容器的部分隐藏，不遮挡文字 */
            position: relative;
        }

        .product-img-container img {
            width: 100%;
            height: 100%;
            object-fit: cover; /* 图片自适应容器，保持比例不拉伸 */
            transition: transform 0.3s ease; /* 平滑放大过渡 */
        }

        /* 鼠标悬浮：图片放大1.1倍，仅在容器内显示 */
        .product-item:hover .product-img-container img {
            transform: scale(1.1); /* 放大1.1倍（可调整数值） */
        }

        .product-name {
            padding: 12px 0;
            background-color: #fff;
            color: #333;
            font-size: 24px;
            transition: all 0.3s ease;
            border-top: 1px solid #eee;
        }
		.product-name a{
			color: #000;
		}
		 
		.product-name a:link,
		.product-name a:visited{ 
			color:#000;
			text-decoration:none;
		}
		
		.product-name a:hover,
		.product-name a:active{ 
			color: #FFF;
			text-decoration:none;
		}

        /* 悬浮时名称块变色 */
        .product-item:hover .product-name {
            background-color: #007bff; /* 绿色背景（可替换为需要的颜色） */
            color: #fff; /* 白色文字 */
        }


/**
*四大优势
*/
.advantage {
    width:100%;
    float:left;
    margin-top:50px;
    overflow: hidden;
}
h1 {
    text-align:center;
    margin-top:10px;
    font-size: 50px;
    color:#000;
}
p {
    text-align:center;
    font-size: 22px;
    margin-top:10px;
    color:#333;
}
/* 全屏图片容器 */
.concern-banner {
  width: 100%;
  overflow: hidden; /* 防止图片溢出（可选） */
}

/* 图片核心样式：宽度100% + 高度自动 + 最大宽度限制（可选） */
.fullscreen-img {
  width: 100%;
  height: auto; /* 高度随宽度等比例变化 */
  max-width: 100%; /* 限制最大宽度为屏幕宽度 */
  display: block; /* 去除图片底部间隙 */
}
 
 .superiority {
            max-width: 80%;
            margin: 20px auto;
            padding: 5px;
            border: 1px solid #e0e0e0;
            border-radius: 8px;
            display: flex;
            flex-direction: column;
            min-width: 320px; /* 最小宽度防止内容挤压 */
            flex: 1;
            display: flex;
            flex-direction: column; /* 上下布局 */
            gap: 20px;
        }
 
 
#tab-container {  /*标签栏盒子样式*/
    width: 80%;
    border: 1px solid #ddd;
    box-shadow: 1px 1px 2px rgba(0,0,0,.15);
    overflow: hidden;
    position:relative;
}
#tab-nav {  /*标签盒子样式*/
    background: #1abc9c;
    margin: 0;
    padding: 0;
    width: 100%;
    height:auto;
    display: flex; /* 弹性布局，标签自动适应宽度 */
    justify-content: space-around; /* 标签平均分布（可根据需求调整） */
}
#tab-nav li {  /*无序列表实现标签效果*/
    display: inline-block;
    list-style: none;
    height: auto;
    line-height: 150px;
    text-align: center;
    font-size:36px;
}
#tab-nav li.tab-head { /*标签默认样式*/
    color: #fff;
    text-decoration: none;
    flex: 1; /* 弹性项，自动分配空间 */
    text-align: center; /* 标签文字居中 */
    white-space: nowrap; /* 防止标签文字换行，可根据需求移除 */
}
#tab-nav li.current {  /*标签选中样式*/
    color: #1abc9c;
    background: #eee;
    font-weight: bold;
}

#tab-content {  /*内容部分盒子样式*/
    width:100%;
    flex: 1;
    padding: 5px;
    overflow:visible;
    gap: 20px;
    display: flex;
}
      
#tab-content .tab-con {  /*标签内容非选中样式*/
    display: none;
    width:100%;
}
#tab-content .current {  /*标签对应的内容选中样式*/
    display: block;
    width:100%;
}
 /* 图片与文字布局 */
 .media-section {
    display: flex;
    flex-wrap: wrap; /* 小屏幕自动换行 */
    gap: 20px; /* 内外边距 */
}
.image-group {
    flex: 1.5; /* 图片组占可用空间 */
    display: flex;
    gap: 10px; /* 图片间距 */
}

        .image-item {
            flex: 1; /* 两张图片等宽 */
            min-width: 150px; /* 单张图片最小宽度 */
        }

        .image-item img {
            width: 100%;
            height: auto;
            border-radius: 4px;
            display: block; /* 去除图片底部间隙 */
        }
                
.text-section {
            flex: 1; /* 文字区域占2份空间 */
            display: flex;
            flex-direction: column;
            justify-content: center; /* 垂直居中 */
            text-align: center; /* 文字水平居中 */
			margin-right:10px;
        }
.text-h1 {
	 position: relative;
     line-height: 1.6;
	 font-size:36px;
	 color: #36F;
}
 .text-h1::before {
            position: absolute;
            left: 0;
            font-size: 1.2em;
            line-height: 1;
        }
        .text-item {
            position: relative;
            padding-left: 20px; /* 为黑点留出空间 */
            line-height: 1.6;
        }

        .text-item::before {
            content: "•"; /* 实心黑点 */
            position: absolute;
            left: 0;
            color: #333;
            font-size: 1.2em;
            line-height: 1;
        }

/* 媒体查询：小屏幕优化 */
@media (max-width: 768px) {
  #tab-nav, #tab-nav li {
    flex-direction: column; /* 手机端标签垂直排列 */
    align-items: center;
  }
  .media-section {
      flex-direction: column; /* 改为垂直布局 */
  }
            
  .image-group {
      justify-content: center; /* 图片居中 */
    }
}
 /* 隐藏非激活标签内容 */
        

        .tab-con.current {
            display: block;
        }






/**
*底栏一
*/
.contact-info {
    display: flex;
    justify-content: space-around;
    align-items: center;
    background-color: #009; /* 蓝色背景色 */
    color: white;
    padding: 20px;
}
.info-item {
    display: flex;
    align-items: center;
}
.icon-location,
.icon-phone,
.icon-mail {
    font-size: 24px; /* 图标大小 */
    margin-right: 10px;
}
.info-text span {
    margin-right: 5px;
	font-size:18px;
}
.info-text p {
    margin-right: 5px;
	color:#FFF;
}

/* 媒体查询实现响应式 */
@media (max-width: 768px) {
   .contact-info {
        flex-direction: column; /* 小屏幕时垂直排列 */
    }
   .info-item {
        margin-bottom: 10px;
    }
}


 


/**
*底栏二
*/
 
.toptitle .dlh {
	width: 100%;
	height:80px;
	padding-top: 40px;
	background-color:#333; 
	float:left;
	text-align:center;
	margin-top:0px;
}
.dle .menuitems { 
	height: 60px;
	text-align:center;
	font-weight:bold;
	}
ul {
	list-style-type:none;
	}
.dlh .menuitems li {
	padding:0px 22px;
	font-size:25px;
	display:inline;
	}
.dlh .menuitems li a:link,.dlh .menuitems li a:visited {
	color:#FFF;
	text-decoration:none;
	}
.dlh .menuitems li a:hover,.dlh .menuitems li a:active {
	color:#fff;
	text-decoration:none;
	}



/**
*底栏三
*/
.footer {
	 
	height:70px;
	background-color:#999;
	padding-top:40px;
	padding-left:34px;
	font-size:16px;
	color:#333;
	text-align:center;
	border-top:2px solid #000;
	clear:both;
}


        /* 悬浮按钮容器：固定在右侧，可拖动 */
        .floating-container {
            position: fixed;
            right: 20px;
            bottom: 50px;
            z-index: 9999; /* 确保在最上层 */
            cursor: move; /* 长按拖动时的鼠标样式 */
        }

        /* 圆形触发按钮 */
        .floating-btn {
            width: 60px;
            height: 60px;
            border-radius: 50%;
            background-color: #0066ff;
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.2);
            transition: all 0.3s ease;
        }

        /* 悬浮展开的客服面板 */
        .service-panel {
            width: 280px;
            background-color: #0066ff;
            color: #fff;
            border-radius: 8px;
            padding: 15px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.3);
            position: absolute;
            right: 70px; /* 面板在按钮左侧展开 */
            bottom: 0;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
            transform-origin: right bottom;
            transform: scale(0.8);
        }

        /* 鼠标悬浮时展开面板 */
        .floating-container:hover .service-panel {
            opacity: 1;
            visibility: visible;
            transform: scale(1);
        }

        /* 面板内样式 */
        .panel-title {
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 8px;
        }
        .panel-english {
            font-size: 14px;
            opacity: 0.8;
            margin-bottom: 15px;
        }
        .qr-code {
            width: 100%;
            margin-bottom: 10px;
        }
        .qr-desc {
            text-align: center;
            font-size: 14px;
            margin-bottom: 15px;
        }
        .service-phone {
            font-size: 16px;
            text-align: center;
            margin-bottom: 15px;
        }
        .online-btn {
            display: block;
            width: 100%;
            padding: 10px;
            background-color: #28a745;
            color: #fff;
            border: none;
            border-radius: 4px;
            font-size: 16px;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        .online-btn:hover {
            background-color: #218838;
        }
        .up-arrow {
            text-align: center;
            margin-top: 10px;
            font-size: 14px;
            cursor: pointer;
        }