/* 基础样式重置 */
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', Arial, sans-serif;
        }
        
        :root {
            --primary-color: #1a3a7a;
            --secondary-color: #2d5aa0;
            --accent-color: #e67e22;
            --light-bg: #f8f9fa;
            --dark-bg: #0d1b3a;
            --text-color: #333;
            --light-text: #fff;
            --border-color: #e0e0e0;
            --gray-text: #666;
        }
        
        body {
            color: var(--text-color);
            line-height: 1.6;
            background-color: #f5f7fa;
        }
        
        a {
            text-decoration: none;
            color: inherit;
        }
        
        ul {
            list-style: none;
        }
        
        .container {
            width: 100%;
        
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 欢迎语条 */
        .welcome-bar {
            background-color: var(--dark-bg);
            color: white;
            padding: 8px 0;
            font-size: 14px;
            text-align: left;
        }
        
        /* 头部区域 */
        .header {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 20px 0;
            background-color: transparent;
        }
        
        .logo {
            display: flex;
            align-items: center;
            padding: 10px 0;
        }
        
        .logo img {
            height: 60px;
        }
        
        .search-box {
            display: flex;
        }
        
        .search-box input {
            padding: 10px 15px;
            border: 1px solid var(--border-color);
            border-radius: 4px 0 0 4px;
            width: 250px;
            font-size: 14px;
        }
        
        .search-box button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 10px 20px;
            border-radius: 0 4px 4px 0;
            cursor: pointer;
            transition: background-color 0.3s;
            font-weight: 600;
        }
        
        .search-box button:hover {
            background-color: var(--primary-color);
        }
        
        /* 导航菜单 */
        .navbar {
            background-color: var(--primary-color);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        
        .nav-container {
            width: 100%;
            padding: 0;
			
        }
        
        .nav-menu {
            display: flex;
            position: relative;
            width: 100%;
			
        }
        
        .nav-item {
            position: relative;
            flex: 1;
            text-align: center;
        }
        
        .nav-link {
            color: var(--light-text);
            padding: 16px 10px;
            display: block;
            transition: all 0.3s;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-weight: 500;
        }
        
        .nav-link:hover {
            background-color: var(--secondary-color);
        }
            .nav-link.on {
            background-color: var(--secondary-color);
        }
        .submenu {
            position: absolute;
            top: 100%;
            left: 0;
            background-color: white;
            min-width: 200px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            opacity: 0;
            visibility: hidden;
            transform: translateY(10px);
            transition: all 0.3s;
            z-index: 1000;
            width: 100%;
            border-radius: 0 0 4px 4px;
        }
        
        .nav-item:hover .submenu {
            opacity: 1;
            visibility: visible;
            transform: translateY(0);
        }
        
        .submenu-item {
            border-bottom: 1px solid var(--border-color);
        }
        
        .submenu-link {
            padding: 12px 15px;
            display: block;
            color: var(--text-color);
            transition: background-color 0.3s;
            text-align: left;
        }
        
        .submenu-link:hover {
            background-color: var(--light-bg);
            color: var(--primary-color);
        }
        
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 24px;
            cursor: pointer;
        }
        
        /* Banner轮播 */
        .banner {
            position: relative;
            height: 400px;
            overflow: hidden;

        }
        
        .banner-slide {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            opacity: 0;
            transition: opacity 1s;
            background-size: cover;
            background-position: center;
        }
        
        .banner-slide.active {
            opacity: 1;
        }
        
        .banner-controls {
            position: absolute;
            bottom: 20px;
            left: 0;
            width: 100%;
            display: flex;
            justify-content: center;
            align-items: center;
        }
        
        .banner-dots {
            display: flex;
        }
        
        .banner-dot {
            width: 12px;
            height: 12px;
            border-radius: 50%;
            background-color: rgba(255, 255, 255, 0.5);
            margin: 0 5px;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .banner-dot.active {
            background-color: white;
        }
        
        .banner-arrow {
            position: absolute;
            top: 50%;
            transform: translateY(-50%);
            background-color: rgba(0, 0, 0, 0.3);
            color: white;
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            justify-content: center;
            align-items: center;
            cursor: pointer;
            transition: background-color 0.3s;
        }
        
        .banner-arrow:hover {
            background-color: rgba(0, 0, 0, 0.6);
        }
        
        .banner-arrow.prev {
            left: 20px;
        }
        
        .banner-arrow.next {
            right: 20px;
        }
        
        /* 主要内容区域 */
   
        
        /* 页脚 */
        .footer {
            background: linear-gradient(135deg, var(--dark-bg), var(--primary-color));
            color: white;
            text-align: center;
            padding: 30px 0;
            margin-top: 20px;
        }
        
        .footer p {
            margin: 5px 0;
        }
        
        /* 响应式设计 */
        @media (max-width: 992px) {
           
            
            .banner {
                height: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .header {
                flex-direction: column;
                text-align: center;
            }
            
            .logo {
                margin-bottom: 15px;
            }
            
            .search-box input {
                width: 200px;
            }
            
            .nav-menu {
                flex-direction: column;
            }
            
            .nav-item {
                flex: none;
            }
            
            .mobile-menu-btn {
                display: block;
                position: absolute;
                top: -35px;
                right: 15px;
			
				color:#000066;
				z-index:1000;
				 
            }
            
            .navbar {
                position: relative;
            }
            
            .nav-menu {
                display: none;
                width: 100%;
            }
            
            .nav-menu.active {
                display: flex;
            }
            
            .submenu {
                position: static;
                opacity: 1;
                visibility: visible;
                transform: none;
                box-shadow: none;
                display: none;
            }
            
            .nav-item:hover .submenu {
                display: block;
            }
            
            .banner {
                height: 250px;
            }
        }
        
        @media (max-width: 576px) {
            .search-box input {
                width: 150px;
            }
            
            .banner {
                height: 200px;
            }