:root {
            --primary-color: #454F9D;
            --secondary-color: #1D1832;
            --accent-color: #5A9BD4;
            --text-color: #333333;
            --light-bg: #f5f7fa;
            --white: #ffffff;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }

        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }

        body {
            font-family: 'Poppins', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--light-bg);
            padding: 20px;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
        }

        header {
            text-align: center;
            margin-bottom: 40px;
        }

        .title {
            color: var(--primary-color);
            font-size: 2.5rem;
            font-weight: bold;
            margin-bottom: 10px;
        }

        .subtitle {
            color: var(--secondary-color);
            font-size: 1.2rem;
            margin-bottom: 20px;
        }

        .faq-container {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }

        .faq-item {
            background-color: var(--white);
            border-radius: 8px;
            box-shadow: var(--shadow);
            overflow: hidden;
        }

        .faq-question {
            padding: 20px;
            background-color: var(--white);
            color: var(--primary-color);
            font-weight: 600;
            font-size: 1.1rem;
            cursor: pointer;
            display: flex;
            justify-content: space-between;
            align-items: center;
            transition: var(--transition);
        }

        .faq-question:hover {
            background-color: rgba(0, 102, 204, 0.05);
        }

        .faq-question::after {
            content: '+';
            font-size: 1.5rem;
            color: var(--primary-color);
            transition: var(--transition);
        }

        .faq-item.active .faq-question::after {
            content: '−';
        }

        .faq-answer {
            padding: 0 20px;
            max-height: 0;
            overflow: hidden;
            transition: var(--transition);
        }

        .faq-item.active .faq-answer {
            padding: 0 20px 20px;
            max-height: 1000px;
        }

        .search-container {
            margin-bottom: 30px;
            position: relative;
        }

        .search-input {
            width: 100%;
            padding: 15px 20px;
            border: 1px solid #ddd;
            border-radius: 25px;
            font-size: 1rem;
            outline: none;
            transition: var(--transition);
        }

        .search-input:focus {
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(0, 102, 204, 0.2);
        }

        .search-icon {
            position: absolute;
            right: 20px;
            top: 50%;
            transform: translateY(-50%);
            color: #888;
        }

        footer {
            text-align: center;
            margin-top: 50px;
            padding: 20px 0;
            color: #666;
            font-size: 0.9rem;
        }

        /* Responsive styles */
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
            
            .subtitle {
                font-size: 1rem;
            }
            
            .faq-question {
                font-size: 1rem;
                padding: 15px;
            }
        }

        @media (max-width: 480px) {
            body {
                padding: 10px;
            }
            
            .container {
                padding: 10px;
            }
            
            h1 {
                font-size: 1.7rem;
            }
            
            .subtitle {
                font-size: 0.9rem;
            }
            
            .faq-question {
                font-size: 0.95rem;
                padding: 12px;
            }
        }

        @media (min-width: 1800px) {
            .container {
                max-width: 1600px;
            }
            
            h1 {
                font-size: 3rem;
            }
            
            .subtitle {
                font-size: 1.4rem;
            }
            
            .faq-question {
                font-size: 1.3rem;
                padding: 25px;
            }
            
            .faq-answer {
                font-size: 1.1rem;
            }
        }