* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Microsoft YaHei', sans-serif;
        }
        body {
            background: #f5f5f5;
        }
        .sticky-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            align-items: center;
            padding: 15px 5%;
            background: #fff;
            flex-wrap: wrap;
        }
        .logo-area {
            display: flex;
            align-items: center;
            min-width: 200px;
        }
        .logo {
            height: 40px;
            margin-right: 15px;
        }
        .site-name {
            font-size: 1.5rem;
            color: #333;
        }
        .search-area {
            flex: 1;
            display: flex;
            justify-content: center;
            min-width: 300px;
        }
        .search-box {
            padding: 8px 15px;
            border: 2px solid #ffd700;
            border-radius: 25px;
            width:50%;
            min-width: 100px;
            outline: none;
        }
        .search-btn {
            padding: 8px 20px;
            background: #ffd700;
            border: none;
            border-radius: 25px;
            margin-left: 10px;
            cursor: pointer;
        }
   .scroll-nav {
    overflow-x: auto;
    background: #c0392b;
    position: relative;
    white-space: nowrap;
}
.nav-list {
    display: inline-flex;
    padding: 0;
    margin: 0;
}
.nav-list li {
    padding: 15px 25px;
    position: relative;
}
.nav-list a {
    color: white;
    text-decoration: none;
}
.nav-dropdown {
    position: absolute;
    background: white;
    display: none;
    width: 300px;
    padding: 15px;
    box-shadow: 0 5px 10px rgba(0,0,0,0.2);
    z-index: 100;
}


        

        /* 鍚堜綔鏍� */
       
      
        .cooperation-section {
            display: flex;
            padding: 20px 5%;
            background: #f9f9f9;
        }
        .company-recommend { width: 20%; padding-right: 20px; }
        .partner-grid { width: 80%; padding-left: 20px; }
        .partner-row { display: flex; flex-wrap: wrap; margin-bottom: 15px; }
        .partner-item { width: 10%; margin-right: 1.11%; margin-bottom: 1.11%; }
        .partner-item img { width: 100%; border-radius: 4px; }
        
        
        /* 椤佃剼 */
        footer {
            background: #333;
            color: white;
            padding: 30px 5%;
            text-align: center;
        }
        .footer-row { margin-bottom: 15px; }
        .footer-links a { color: white; margin: 0 10px; text-decoration: none; }
        .mobile-contact {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            width: 100%;
            background: #f40;
            padding: 10px;
            text-align: center;
            color: white;
            z-index: 1000;
        }
       
        /* 鍝嶅簲寮忚璁� */
         @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-area {
                width: 100%;
                margin-top: 15px;
            }
            .search-box {
                width: 100%;
            }
          


            .slider-container, .right-column {
                width: 100%;
            }
       
           
            .comprehensive-section, .product-showcase, .cooperation-section {
                flex-direction: column;
            }
            .category-sidebar, .slider-container, .user-sidebar,
            .product-category, .product-grid, .video-container,
            .company-recommend, .partner-grid {
                width: 100%;
                padding: 0;
                margin-bottom: 20px;
            }
 
           
           
            .partner-item { width: 30%; margin-right: 3.33%; }  
         
  
            
           .x-content1 {
                flex-direction: column;
            }
            .left-column {
                margin-right: 0;
                margin-bottom: 20px;
            }
            .nav ul {
                flex-direction: column;
                align-items: center;
            }   .mobile-contact { display: block; }
        }
.photoresize {
	max-width:560px;
	myimg:expression(onload=function(){
	this.style.width=(this.offsetWidth > 560)?"560px":"auto"}
		   );
	}