* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Helvetica Neue', Arial, 'PingFang SC', 'Microsoft YaHei', sans-serif;
        }
        
        body {
            color: #333;
            line-height: 1.6;
            background-color: #f8f9fa;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        
        /* 椤堕儴鍏抽敭璇� */
        .top-keywords {
            background: linear-gradient(90deg, #2c3e50, #4a90e2);
            padding: 10px 0;
            text-align: center;
            font-size: 14px;
            color: white;
            box-shadow: 0 2px 5px rgba(0,0,0,0.1);
            position: relative;
            z-index: 1002;
        }
        
        /* 缃戠珯澶撮儴 */
        .header {
            display: flex;
            align-items: center;
            padding: 15px 0;
            background: white;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
            position: relative;
            z-index: 1001;
        }
        
        .logo {
            width: 200px;
            height: 100px;
            background: linear-gradient(135deg, #4a90e2, #2c3e50);
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            margin-right: 25px;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        
        .company-name {
            font-size: 24px;
            font-weight: bold;
            color: #2c3e50;
            margin-right: auto;
            text-shadow: 1px 1px 2px rgba(0,0,0,0.1);
        }
        
        .search-bar {
            display: flex;
        }
        
        .search-bar input {
            padding: 10px 15px;
            border: 2px solid #4a90e2;
            border-radius: 6px 0 0 6px;
            width: 250px;
            font-size: 16px;
            outline: none;
            transition: all 0.3s;
        }
        
        .search-bar input:focus {
            border-color: #2c3e50;
            box-shadow: 0 0 8px rgba(74, 144, 226, 0.5);
        }
        
        .search-bar button {
            padding: 10px 20px;
            background: linear-gradient(90deg, #4a90e2, #2c3e50);
            color: white;
            border: none;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s;
        }
        
        .search-bar button:hover {
            background: linear-gradient(90deg, #2c3e50, #4a90e2);
            box-shadow: 0 2px 8px rgba(0,0,0,0.2);
        }
        
        /* 瀵艰埅鏍� */
        .nav-container {
            background: linear-gradient(90deg, #2c3e50, #4a90e2);
            box-shadow: 0 4px 12px rgba(0,0,0,0.15);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        
        .navbar {
            display: flex;
            overflow-x: auto;
            white-space: nowrap;
            padding: 0;
            scrollbar-width: none;
        }
        
        .navbar::-webkit-scrollbar {
            display: none;
        }
        
        .navbar a {
            padding: 15px 20px;
            text-decoration: none;
            color: white;
            font-weight: 500;
            transition: all 0.3s;
            position: relative;
        }
        
        .navbar a:hover {
            background: rgba(255, 255, 255, 0.15);
        }
        
        .navbar a:hover::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 20%;
            width: 60%;
            height: 3px;
            background: white;
            border-radius: 3px;
        }
        
        /* 浜у搧绠€浠� */
        .product-intro {
            padding: 40px 0 20px;
            text-align: center;
            background: white;
            margin: 20px 0;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .product-intro h1 {
            font-size: 36px;
            margin-bottom: 20px;
            color: #2c3e50;
            text-shadow: 1px 1px 3px rgba(0,0,0,0.1);
        }
        
        .product-intro p {
            font-size: 18px;
            color: #555;
            max-width: 800px;
            margin: 0 auto;
            line-height: 1.8;
        }
        
        /* 浜у搧鍐呭鍖哄煙 */
        .product-content {
            display: flex;
            gap: 20px;
            margin: 30px 0;
        }
        
        .product-details {
            flex: 7;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        
        .product-main {
            display: flex;
            gap: 20px;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .product-image {
            flex: 7;
            background: linear-gradient(135deg, #f5f7fa, #e4e8f0);
            padding: 20px;
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        
        .product-image-placeholder {
            width: 100%;
            height: 400px;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            color: #4a90e2;
            font-size: 16px;
            text-align: center;
        }
        
        .product-image-placeholder i {
            font-size: 80px;
            margin-bottom: 15px;
            color: #4a90e2;
        }
        
        .company-info-sidebar {
            flex: 3;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            height: fit-content;
            position: sticky;
            top: 90px;
        }
        
        .company-info-sidebar h2 {
            text-align: center;
            margin-bottom: 25px;
            color: #2c3e50;
            padding-bottom: 10px;
            border-bottom: 2px solid #4a90e2;
            font-size: 22px;
        }
        
        .company-logo {
            width: 100px;
            height: 100px;
            background: linear-gradient(135deg, #4a90e2, #2c3e50);
            border-radius: 10px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: white;
            font-weight: bold;
            box-shadow: 0 4px 8px rgba(0,0,0,0.1);
        }
        
        .company-contact {
            margin-top: 20px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
            padding: 10px;
            border-radius: 6px;
            transition: all 0.3s;
            font-size: 14px;
        }
        
        .contact-item:hover {
            background: #f5f7fa;
            transform: translateX(5px);
        }
        
        .contact-item i {
            margin-right: 12px;
            color: #4a90e2;
            font-size: 18px;
            width: 24px;
            text-align: center;
        }
        
        /* 浜у搧鍏抽敭璇� */
        .product-keywords {
            padding: 25px;
            text-align: left;
            background: white;
            margin: 20px 0;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .product-keywords h2 {
            margin-bottom: 20px;
            color: #2c3e50;
            padding-bottom: 10px;
            border-bottom: 2px solid #4a90e2;
        }
        
        .keywords {
            display: flex;
            flex-wrap: wrap;
            justify-content:  left;
            gap: 12px;
        }
        
        .keyword {
            padding: 8px 20px;
            background: linear-gradient(90deg, #4a90e2, #2c3e50);
            color: white;
            border-radius: 25px;
            font-size: 15px;
            transition: all 0.3s;
            cursor: pointer;
        }
        
        .keyword:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        
        /* 浜у搧璇︾粏浠嬬粛 */
        .product-full-desc {
            padding: 10px;
            background: white;
            margin: 10px 0;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
        }
        
        .product-full-desc h2 {
            text-align: center;
            margin-bottom: 25px;
            color: #2c3e50;
            padding-bottom: 10px;
            border-bottom: 2px solid #4a90e2;
        }
        
        .desc-content {
            max-width: 800px;
            margin: 0 auto;
        }
        
        .desc-content p {
            margin-bottom: 20px;
            line-height: 1.8;
            font-size: 17px;
            color: #444;
            text-align: justify;
        }
        
        /* 绉诲姩绔叕鍙镐俊鎭� */
        .company-info-mobile {
            display: none;
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.08);
            margin: 20px 0;
        }
        
        /* 椤佃剼 */
        .footer {
            background: linear-gradient(90deg, #2c3e50, #1a2530);
            color: white;
            padding: 50px 0 20px;
            margin-top: 40px;
        }
        
        .footer-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 25px;
            margin-bottom: 30px;
        }
        
        .footer-links a {
            color: #ddd;
            text-decoration: none;
            transition: all 0.3s;
            font-size: 16px;
        }
        
        .footer-links a:hover {
            color: white;
            text-decoration: underline;
        }
        
        .footer-contact {
            text-align: center;
            margin-bottom: 25px;
            font-size: 17px;
        }
        
        .footer-company {
            text-align: center;
            font-size: 20px;
            font-weight: bold;
            margin-bottom: 15px;
            color: #4a90e2;
        }
        
        .footer-address {
            text-align: center;
            margin-bottom: 25px;
            color: #ccc;
            font-size: 16px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        
        .footer-copyright {
            text-align: center;
            color: #999;
            font-size: 15px;
            margin-bottom: 20px;
            padding-top: 20px;
            border-top: 1px solid #444;
        }
        
        .footer-keywords {
            text-align: center;
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 10px;
            margin-bottom: 15px;
        }
        
        .footer-keyword {
            font-size: 13px;
            color: #aaa;
        }
        
        /* 鍝嶅簲寮忚璁� */
        @media (max-width: 992px) {
            .product-main {
                flex-direction: column;
            }
            
            .product-image {
                min-height: 300px;
            }
        }
        
        @media (max-width: 768px) {
            .header {
                flex-wrap: wrap;
            }
            
            .company-name {
                font-size: 20px;
                margin-right: 0;
                width: 100%;
                text-align: center;
                margin-bottom: 15px;
            }
            
            .logo {
                margin: 0 auto 15px;
            }
            
            .search-bar {
                width: 100%;
                justify-content: center;
            }
            
            .search-bar input {
                width: 70%;
            }
            
            .product-content {
                flex-direction: column;
            }
            
            .company-info-sidebar {
                display: none;
            }
            
            .company-info-mobile {
                display: block;
            }
            
            .navbar a {
                padding: 12px 15px;
                font-size: 15px;
            }
            
            .product-intro h1 {
                font-size: 28px;
            }
            
            .product-intro p {
                font-size: 16px;
            }
        }