/* 全局样式 */
        body {
            font-family: Arial, sans-serif;
            margin: 0;
            padding: 0;
            color: #333;
            line-height: 1.6;
        }
		
		/* 新增LOGO样式 */
        .logo {
            flex-shrink: 0;
            padding: 0 20px;
            display: flex;
            align-items: center;
        }

        .logo img {
            height: 40px; /* 可根据实际LOGO调整高度 */
            vertical-align: middle;
        }

        /* 导航栏样式 */
        nav {
            position: sticky;
            top: 0;
            background-color: transparent;
            color: black;
            display: flex;
            justify-content: center;
            padding: 15px 0;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            z-index: 100;
            transition: background-color 0.3s ease;
            justify-content: flex-start;
            padding: 10px 20px;
        }

        nav ul {
            list-style-type: none;
            margin: 0;
            padding: 0;
            display: flex;
            margin-left: auto;
        }

        nav ul li {
            position: relative;
        }

        nav ul li a {
            color: black;
            text-decoration: none;
            margin: 0 20px;
            display: block;
            padding: 10px;
            transition: color 0.3s ease, font-weight 0.3s ease;
        }

        nav ul li a:hover {
            color: red;
        }

        nav ul li a.active {
            color: red;
            font-weight: bold;
        }

        nav ul li ul {
            display: none;
            position: absolute;
            background-color: white;
            top: 100%;
            left: 0;
            width: 200px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
            border-radius: 0 0 5px 5px;
            z-index: 1;
        }

        nav ul li:hover > ul {
            display: block;
        }

        nav ul li ul li {
            width: 100%;
			font-size: 14px;
        }

        nav ul li ul li a {
            padding: 10px 20px;
        }

        nav ul li ul li ul {
            top: 0;
            left: 100%;
            border-radius: 0 5px 5px 5px;
			width: 250px;
        }

        /* 滚动时导航栏背景变化 */
        body.scrolled nav {
            background-color: white;
        }

        /* 轮播图样式 */
        .slider {
            width: 100%;
            height: 700px;
            position: relative;
            overflow: hidden;
        }

        .slider img {
            width: 100%;
            height: 100%;
            position: absolute;
            opacity: 0;
            transition: opacity 1s ease-in-out;
            object-fit: cover;
        }

        .slider img.active {
            opacity: 1;
        }
		
		/* 轮播图切换按钮样式 */
        .slider-btn {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(0, 0, 0, 0.5);
            color: white;
            border: none;
            padding: 10px 15px;
            cursor: pointer;
            z-index: 10;
        }

        .slider-btn.prev {
            left: 10px;
        }

        .slider-btn.next {
            right: 10px;
        }

        /* 内容区域样式 */
        .section {
            padding: 30px 10%;
            text-align: center;
        }

        .section h2 {
            color: #FF0000;
            font-size: 32px;
            margin-bottom: 60px;
			letter-spacing: 1px;
            position: relative;
        }
		
		.section h2::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 50%;
            transform: translateX(-50%);
            width: 80px;
            height: 3px;
            background-color: #FF4500;
            border-radius: 2px;
        }

        /* 业务范围卡片样式 */
        .business-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .business-card {
            border: 1px solid #e0e0e0;
            padding: 30px;
            flex: 1 1 calc(50% - 30px);
            box-sizing: border-box;
            border-radius: 5px;
            transition: transform 0.3s ease;
            background-color: white;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .business-card:hover {
            transform: translateY(-5px);
        }

        .business-card h3 {
            color: #FF0000;
            font-size: 24px;
            margin-bottom: 15px;
        }
		
		.business-card p {
            margin: 5px 0;
			font-size: 14px;
			text-align: left;
        }
		
		/* 新增 More+ 链接样式 */
        .business-card .more-link {
            color: red;
            text-decoration: none;
            display: block;
            margin-top: 10px;
            text-align: center;
        }

        /* 案例展示样式 */
        .case-cards {
            display: flex;
            flex-wrap: wrap;
            gap: 30px;
            justify-content: center;
        }

        .case-card {
            position: relative;
            width: calc((100% - 60px) / 3);
            overflow: hidden;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .case-card img {
            width: 100%;
            height: auto;
            display: block;
            transition: transform 0.3s ease;
        }

        .case-card .case-info {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .case-card:hover img {
            transform: scale(1.1);
        }

        .case-card:hover .case-info {
            opacity: 1;
        }
		
		.case-card .case-info a {
            color: #FF0000;
            text-decoration: none;
			color: white; /* 添加这一行，设置文字颜色为白色 */
        }

        /* 公司新闻样式 */
        .news-section {
            display: flex;
            gap: 30px;
        }

        .news-left {
            position: relative;
            flex: 1;
            overflow: hidden;
            border-radius: 5px;
            box-shadow: 0 2px 5px rgba(0, 0, 0, 0.1);
        }

        .news-left img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
            transition: transform 0.3s ease;
        }

        .news-left .news-info {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-color: rgba(0, 0, 0, 0.7);
            color: white;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            opacity: 0;
            transition: opacity 0.3s ease;
        }

        .news-left:hover img {
            transform: scale(1.1);
        }

        .news-left:hover .news-info {
            opacity: 1;
        }

        .news-right {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .news-right .news {
            border-bottom: 1px solid #e0e0e0;
            padding: 5px 0;
            text-align: left;
        }

        .news-right .news h3 {
            color: #FF0000;
            font-size: 18px;
            margin-bottom: 3px;
            line-height: 1.2;
        }

        .news-right .news p {
            margin: 0;
            line-height: 1.4;
        }
		
		.news-left .news-info a {
            color: #FF0000;
            text-decoration: none;
			color: white; /* 添加这一行，设置文字颜色为白色 */
        }
		
		.news-right .news a {
            color: #FF0000;
            text-decoration: none;
			color: black; /* 添加这一行，设置文字颜色为白色 */
        }

        /* 联系我们样式 */
        form {
            max-width: 600px;
            margin: 0 auto;
        }

        form input,
        form textarea {
            width: 100%;
            padding: 15px;
            margin-bottom: 20px;
            border: 1px solid #e0e0e0;
            border-radius: 5px;
            box-sizing: border-box;
        }

        form button {
            background-color: #FF0000;
            color: white;
            padding: 15px 30px;
            border: none;
            cursor: pointer;
            border-radius: 5px;
            transition: background-color 0.3s ease;
        }

        form button:hover {
            background-color: #e60000;
        }

        /* 公司简介样式 */
        #about {
            background-image: url('about.png'); /* background-image: url('https://dummyimage.com/1920x600/FF0000/FFFFFF&text=About+Background');  */
            background-size: cover;
            background-position: center;
            color: white;
        }
		
		.counter-container div p {
            margin-top: -10px; /* 缩短 span 和 p 之间的距离 */
        }

        .counter-container {
            display: flex;
            justify-content: center;
            gap: 150px;
            margin-top: 30px;
        }

        .counter {
            font-size: 48px;
            font-weight: bold;
        }

        /* 页脚样式 */
        footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 20px 0;
			clear: both; /* 防止被浮动元素覆盖 */
        }

        footer p {
            margin: 5px 0;
        }

        footer a {
            color: #FF0000;
            text-decoration: none;
			color: white; /* 添加这一行，设置文字颜色为白色 */
        }

        footer img {
            width: 100px;
            height: 100px;
            margin-top: 10px;
        }
		
/* Banner 样式 */
.full-width-banner {
    position: relative; /* 设置为相对定位，作为内部绝对定位元素的参照 */
    width: 100%;       /* 宽度占满父容器 */
    height: 50vh;      /* 高度为视口高度的50% */
    min-height: 400px; /* 最小高度400像素，确保在较小屏幕上也有足够高度 */
    overflow: hidden;  /* 隐藏超出容器的内容 */
    display: flex;     /* 使用弹性布局 */
    align-items: center; /* 垂直居中 */
    justify-content: center; /* 水平居中 */
    text-align: center; /* 文本居中 */
    color: white;      /* 文字颜色为白色 */
}

.banner-bg {
    width: 100%;      /* 宽度占满容器 */
    height: 100%;     /* 高度占满容器 */
    object-fit: cover; /* 保持图片比例同时填满容器，可能裁剪部分图片 */
}

.banner-type-text {
    position: absolute; /* 绝对定位，相对于.full-width-banner */
    left: 5%;          /* 距离左侧5% */
    bottom: 10%;       /* 距离底部10% */
    color: white;      /* 白色文字 */
    font-size: 2.0rem; /* 约32px大小(基于浏览器默认大小) */
    font-weight: bold; /* 加粗字体 */
    padding: 10px 20px; /* 内边距 */
	/* border-left: 4px solid #4CAF50; /* 左侧4像素绿色边框 */
}

/* 正文内容容器 */
.content-container {
    display: flex;
    max-width: 1200px; 
    margin: 40px auto;
    padding: 0 20px;
}

/* 左侧导航 */
.left-sidebar {
    width: 250px;
    padding-right: 30px;
}

.left-sidebar h3 {
    font-size: 1.5rem;
    color: #333;
    padding-bottom: 15px;
    border-bottom: 2px solid #FF0000;
    margin-bottom: 20px;
}

.sidebar-menu {
    list-style: none;
    padding: 0;
}

.menu-category > a {
    display: block;
    padding: 10px 15px;
    background-color: #f5f5f5;
    color: #333;
    font-weight: bold;
    margin-bottom: 5px;
    border-left: 3px solid #FF0000;
	text-decoration: none;
}

.menu-category > ul {
    list-style: none;
    padding: 0 0 0 20px;
    margin-bottom: 20px;
}

.menu-category > ul li a {
    display: block;
    padding: 8px 15px;
    color: #666;
    transition: all 0.3s;
	text-decoration: none;
}

.menu-category > ul li a:hover,
.menu-category > ul li a.active {
    color: #FF0000;
    background-color: #f9f9f9;
}

/* 右侧内容 */
.right-content {
    flex: 1;
    padding-left: 30px;
    border-left: 1px solid #eee;
}

.right-content h1 {
    font-size: 2rem;
    color: #333;
    margin-bottom: 20px;
}

.breadcrumb {
    color: #666;
    font-size: 0.9rem;
    margin-bottom: 30px;
    padding-bottom: 10px;
    border-bottom: 1px solid #eee;
}

.breadcrumb a {
    color: #FF0000;
    text-decoration: none;
}

.business-content {
    line-height: 1.8;
    color: #444;
}

.red-underline-heading {
    color: red;
    font-weight: bold;
    text-decoration: underline;
    text-decoration-color: red;
    text-decoration-thickness: 2px;
    text-underline-offset: 5px;
    display: inline-block;
    width: 80%;
	text - align: center;
}

.section-two {
    padding: 30px 10%;
    text-align: center;
}

.section-two h2 {
    color: #FF0000;
    font-size: 32px;
    margin-bottom: 0px;
	letter-spacing: 1px;
    position: relative;
}
		
.section-two h2::after {
    content: '';
    position: absolute;
    bottom: -5px;
    left: 50%;
    transform: translateX(-50%);
    width: 80px;
    height: 3px;
    background-color: #FF4500;
    border-radius: 2px;
}


        /* 响应式设计 */
        @media (max-width: 768px) {
            nav ul {
                flex-direction: column;
                text-align: center;
            }

            nav ul li ul {
                position: static;
                width: 100%;
                display: none;
            }

            nav ul li:hover ul {
                display: block;
            }

            .business-card {
                flex: 1 1 100%;
            }

            .case-card {
                width: 100%;
            }

            .news-section {
                flex-direction: column;
            }

            .section {
                padding: 40px 10%;
            }

            #about {
                padding: 60px 10%;
            }

            #about h2 {
                font-size: 32px;
            }

            #about p {
                font-size: 16px;
            }

            .counter-container {
                flex-direction: column;
                gap: 20px;
            }
			
	.banner-type-text {
        font-size: 1.8rem; /* 在小屏幕上减小字体大小 */
        left: 3%;         /* 更靠近左侧 */
        bottom: 5%;       /* 更靠近底部 */
    }
	
	.content-container {
        flex-direction: column;
        padding: 0 15px;
    }
    
    .left-sidebar {
        width: 100%;
        padding-right: 0;
        margin-bottom: 30px;
    }
    
    .right-content {
        padding-left: 0;
        border-left: none;
    }
			
        }