.qrcode-converter-wrapper {
            width: 100%;
            margin: 0 auto;
            
        }
        
        .qrcode-upload-area {
            text-align: center;
            margin-bottom: 20px;
        }
        
        .qrcode-drop-area {
            border: 5px dashed #ddd;
            border-radius: 8px;
            padding: 60px 20px;
            margin: 20px auto;
            max-width: 100%;
            text-align: center;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        
        .qrcode-drop-area:hover,
        .qrcode-drop-area.drag-over {
            border-color: #4CAF50;
            background-color: #f9f9f9;
        }
        
        .qrcode-drop-area input[type="file"] {
            display: none;
        }
        
        .qrcode-drop-text {
            font-size: 18px;
            color: #666;
            margin-bottom: 10px;
        }
        
        .qrcode-drop-hint {
            font-size: 14px;
            color: #999;
        }
        
        .qrcode-button-area {
            text-align: center;
            margin: 20px 0;
        }
        
        .qrcode-button-area button {
            margin: 0 10px;
            padding: 12px 24px;
            border: none;
            border-radius: 4px;
            cursor: pointer;
            font-size: 16px;
            transition: background-color 0.3s ease;
        }
        
        .qrcode-button-primary {
            background-color: #4CAF50;
            color: white;
        }
        
        .qrcode-button-primary:hover {
            background-color: #45a049;
        }
        
        .qrcode-button-secondary {
            background-color: #f5f5f5;
            color: #333;
            border: 1px solid #ddd;
        }
        
        .qrcode-button-secondary:hover {
            background-color: #e0e0e0;
        }
        
        .qrcode-button-download {
            background-color: #2196F3;
            color: white;
        }
        
        .qrcode-button-download:hover {
            background-color: #0b7dda;
        }
        
        .qrcode-result-area {
            text-align: center;
            margin-top: 30px;
        }
        
        .qrcode-result-area svg {
            border: 1px solid #ddd;
            background-color: white;
            margin: 0 auto;
            max-width: 100%;
            height: auto;
        }
        
        .qrcode-error-message {
            color: red;
            text-align: center;
            margin-top: 10px;
        }
        
        .qrcode-quality-hint {
            color: #666;
            text-align: center;
            margin-top: 15px;
            font-size: 14px;
            line-height: 1.5;
            margin-left: auto;
            margin-right: auto;
        }
        
        .qrcode-footer {
            margin-top: 50px;
            padding-top: 30px;
            border-top: 1px solid #eee;
            color: #666;
            font-size: 14px;
        }
        
        .qrcode-footer h3 {
            text-align: center;
            color: #333;
            margin-bottom: 20px;
            font-size: 18px;
        }
        
        .qrcode-footer h4 {
            text-align: center;
            color: #333;
            margin: 30px 0 20px;
            font-size: 16px;
        }
        
        .qrcode-footer p {
            margin: 10px 0;
            line-height: 1.6;
            text-align: center;
        }
        
        .qrcode-faq {
            margin: 0 auto;
        }
        
        .qrcode-faq-item {
            margin-bottom: 20px;
            padding: 15px;
            background-color: #f9f9f9;
            border-radius: 8px;
        }
        
        .qrcode-faq-item strong {
            display: block;
            margin-bottom: 8px;
            color: #333;
            font-size: 15px;
        }
        
        .qrcode-faq-item p {
            text-align: left;
            margin: 0;
        }
        
        .qrcode-converter-wrapper .hidden {
            display: none !important;
        }