* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.6;
        }
        
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }
        
        header {
            background: linear-gradient(135deg, #1a5276 0%, #2e86c1 100%);
            color: white;
            padding: 50px 20px;
            text-align: center;
            border-radius: 10px 10px 0 0;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            position: relative;
            overflow: hidden;
        }
        
        header::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: url('data:image/svg+xml;utf8,<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 100 100" preserveAspectRatio="none"><path d="M0,0 L100,0 L100,100 Z" fill="rgba(255,255,255,0.1)"/></svg>');
            background-size: cover;
        }
        
        .language-toggle {
            display: flex;
            justify-content: center;
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }
        
        .lang-btn {
            background: rgba(255, 255, 255, 0.2);
            border: none;
            color: white;
            padding: 8px 20px;
            margin: 0 10px;
            border-radius: 30px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .lang-btn.active {
            background: rgba(255, 255, 255, 0.3);
            font-weight: bold;
        }
        
        
        .date-location {
            display: flex;
            justify-content: center;
            margin-top: 20px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }
        
        .date-location div {
            margin: 0 15px;
            display: flex;
            align-items: center;
        }
        
        .date-location i {
            margin-right: 8px;
            font-size: 1.2rem;
        }
        
        .content {
            display: grid;
            grid-template-columns: 1fr 350px;
            gap: 30px;
            margin-top: 30px;
        }
        
        .main-content {
            background: white;
            padding: 30px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }
        
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 15px rgba(0, 0, 0, 0.05);
        }
        
        h2 {
            color: #1a5276;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #eaeaea;
            font-size: 1.8rem;
        }
        
        h3 {
            color: #2e86c1;
            margin: 25px 0 15px;
            font-size: 1.4rem;
        }
        
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        
        .highlight {
            background: #e8f4fc;
            padding: 20px;
            border-left: 4px solid #2e86c1;
            margin: 25px 0;
            border-radius: 0 5px 5px 0;
        }
        
        .highlight p {
            margin-bottom: 0;
            font-style: italic;
        }
        
        .event-details {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            margin: 20px 0;
        }
        
        .detail-item {
            display: flex;
            margin-bottom: 12px;
        }
        
        .detail-item i {
            color: #2e86c1;
            margin-right: 10px;
            width: 20px;
        }
        
        .products {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 25px 0;
        }
        
        .product-card {
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: transform 0.3s ease;
        }
        
        .product-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
        }
        
        .product-card i {
            font-size: 2.5rem;
            color: #2e86c1;
            margin-bottom: 15px;
        }
        
        .product-card h4 {
            margin-bottom: 10px;
            color: #1a5276;
        }
        
        .cta-section {
            background: linear-gradient(135deg, #1a5276 0%, #2e86c1 100%);
            color: white;
            padding: 40px;
            border-radius: 10px;
            text-align: center;
            margin-top: 40px;
        }
        
        .cta-section h2 {
            color: white;
            border: none;
        }
        
        .btn {
            display: inline-block;
            background: #e74c3c;
            color: white;
            padding: 12px 30px;
            border-radius: 30px;
            text-decoration: none;
            font-weight: bold;
            margin-top: 20px;
            transition: all 0.3s ease;
        }
        
        .btn:hover {
            background: #c0392b;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.2);
        }
        
        .contact-info {
            margin-top: 25px;
        }
        
        .contact-item {
            display: flex;
            align-items: center;
            margin-bottom: 15px;
        }
        
        .contact-item i {
            color: #2e86c1;
            margin-right: 10px;
            width: 20px;
        }
        
        .exhibition-img {
            width: 100%;
            border-radius: 8px;
            margin: 20px 0;
            box-shadow: 0 4px 10px rgba(0, 0, 0, 0.1);
        }
        
        .company-logo {
            max-width: 200px;
            margin: 0 auto 20px;
            display: block;
        }
        
        footer {
            text-align: center;
            padding: 30px;
            margin-top: 50px;
            background: #1a5276;
            color: white;
            border-radius: 0 0 10px 10px;
        }
        
        .social-icons {
            display: flex;
            justify-content: center;
            margin: 20px 0;
        }
        
        .social-icons a {
            color: white;
            margin: 0 10px;
            font-size: 1.5rem;
            transition: all 0.3s ease;
        }
        
        .social-icons a:hover {
            color: #aed6f1;
            transform: translateY(-3px);
        }
        
        @media (max-width: 900px) {
            .content {
                grid-template-columns: 1fr;
            }
            
        
        @media (max-width: 600px) {
            .date-location {
                flex-direction: column;
                align-items: center;
            }
            
            .date-location div {
                margin: 5px 0;
            }
            
            h1 {
                font-size: 1.8rem;
            }
            
            .products {
                grid-template-columns: 1fr;
            }
        }
        
        .chinese-content {
            display: none;
        }
        
        .benefits {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin: 25px 0;
        }
        
        .benefit-item {
            flex: 1;
            min-width: 200px;
            background: #f8f9fa;
            padding: 20px;
            border-radius: 8px;
            text-align: center;
        }
        
        .benefit-item i {
            font-size: 2rem;
            color: #2e86c1;
            margin-bottom: 15px;
        }
        
        .map-container {
            height: 200px;
            background: #eaeaea;
            border-radius: 8px;
            margin: 20px 0;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #666;
        }