        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
			font-family: 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        body {
            font-family: Arial, sans-serif;
            line-height: 1.6;
        }
        .header {
            background-color: #333;
            color: white;
            padding: 15px;
            text-align: center;
        }
        .nav {
            display: flex;
            justify-content: space-around;
            background-color: #c6ff00;
            padding: 10px 0;
        }
        .nav a {
            color: #444;
            text-decoration: none;
        }
		
		.video-container {
            width: 100%;
            padding: 15px;
        }
        .video-container iframe {
            width: 100%;
            height: 200px;
            border: none;
        }
		
        .video-wrapper {
            width: 45%;
            margin: 10px;
        }
        
        .btn {
            display: inline-block;
            background: #4dabf7;
            color: white;
            padding: 12px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            text-transform: uppercase;
            letter-spacing: 1px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.2);
        }
        
        .btn:hover {
            background: #3b9ce8;
            transform: translateY(-3px);
            box-shadow: 0 6px 20px rgba(0,0,0,0.3);
        }
        
		
        .product-container {
            max-width: 1200px;
			width: 100%;
			display: flex;
            flex-wrap: wrap;
            gap: 10px;
            padding: 15px;
        }
        .product-itemss {
            width: calc(50% - 5px);
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 10px;
			display: flex;
            justify-content: space-around;
        }
        .product-item {
            width: calc(50% - 5px);
            border: 1px solid #eee;
            border-radius: 8px;
            overflow: hidden;
            margin-bottom: 10px;
        }
        .product-image {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .product-info {
            padding: 10px;
        }
		
        .product-info a {
            padding: 10px;
			color: #333;
            text-decoration: none;
        }
		
        .product-info2 a {
            padding: 10px;
			color: #333;
            text-decoration: none;
			font-size:12px
        }
        @media (min-width: 768px) {
            .product-item {
                width: calc(25% - 8px);
            }
			
			.logo {
                max-height: 70px;
            }
        }
        .footer {
            background-color: #333;
            color: white;
            text-align: center;
            padding: 20px;
            margin-top: 15px;
        }
		
		/* 产品详情图 */
		.mproduct-container {
            width: 90%;
            max-width: 1000px;
            margin: 30px auto;
            padding: 20px;
            background: #fff;
            border-radius: 12px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.08);
        }
        .main-image {
            width: 100%;
            margin-bottom: 20px;
            border-radius: 8px;
            overflow: hidden;
        }
        .main-image img {
            width: 100%;
            height: auto;
            display: block;
        }
        .mproduct-info {
            margin-bottom: 25px;
        }
        .mproduct-title {
            font-size: 24px;
            font-weight: 600;
            color: #333;
            margin-bottom: 8px;
        }
        .mproduct-model {
            font-size: 16px;
            color: #666;
            margin-bottom: 12px;
        }
        .mproduct-price {
            font-size: 22px;
            color: #ff4d4f;
            font-weight: 700;
            margin-bottom: 15px;
        }
        .mproduct-specs {
			text-align: left;
            font-size: 15px;
            line-height: 1.6;
            color: #444;
            margin-bottom: 25px;
        }
        .secondary-images {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 15px;
            margin-top: 20px;
        }
        .secondary-images img {
            width: 100%;
            border-radius: 6px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
        }
		
		
        /* 响应式设计 */
        @media (max-width: 768px) {
            .menu-toggle {
                display: block;
            }
            
            .nav-links {
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                flex-direction: column;
                background: rgba(10, 40, 80, 0.98);
                padding: 20px 0;
                transform: translateY(-150%);
                transition: transform 0.4s ease;
            }
            
            .nav-links.active {
                transform: translateY(0);
            }
            
            .nav-links li {
                margin: 10px 20px;
            }
            
            .video-overlay h1 {
                font-size: 2rem;
            }
            
            .video-overlay p {
                font-size: 1rem;
            }
			
			.ad-item {
                aspect-ratio: 16/7; /* 移动端更合适的比例 */
            }
            .ad-slider {
                animation-duration: 18s; /* 移动端滚动速度加快 */
            }
			.mproduct-container {
                width: 95%;
                padding: 15px;
            }
            .secondary-images {
                grid-template-columns: 1fr;
            }
        }
        
		/* 顶部logo */
        .headerss {
            width: 100%;
            padding: 10px 5%;
            background-color: #fff;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: relative;
        }
        .logo-container {
            display: flex;
            justify-content: center;
            align-items: center;
        }
        .logo {
            max-width: 100%;
            height: auto;
            max-height: 50px;
        }
		
		/* 滚动广告 */
		.ad-container {
            width: 100%;
            overflow: hidden;
            position: relative;
            margin: 10px 0;
        }
        
        .ad-slider {
            display: flex;
            width: 300%; /* 三张图片宽度 */
            animation: slide 15s infinite linear;
        }
        
        .ad-item {
            flex: 0 0 33.333%; /* 等分三份 */
            position: relative;
            aspect-ratio: 16/9; /* 保持宽高比 */
        }
        
        .ad-item img {
            width: 100%;
            height: 100%;
            object-fit: cover; /* 图片自适应填充 */
            display: block;
        }
        
        @keyframes slide {
            0% { transform: translateX(0); }
            30% { transform: translateX(0); }
            33.33% { transform: translateX(-33.333%); }
            63.33% { transform: translateX(-33.333%); }
            66.66% { transform: translateX(-66.666%); }
            96.66% { transform: translateX(-66.666%); }
            100% { transform: translateX(0); }
        }