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

        body {
            font-family: 'Arial', sans-serif;
            background-color: #f5f5f5;
            color: #333;
            display: flex;
        }

        .sidebar {
            width: 200px;
            background: white;
            padding: 20px 10px;
            position: sticky;
            top: 0;
            height: 100vh;
            overflow-y: auto;
        }

        .sidebar-ad {
            background: #e3f2fd;
            border: 2px dashed #2196F3;
            padding: 20px;
            text-align: center;
            color: #1565c0;
            font-size: 14px;
            margin-bottom: 20px;
            border-radius: 5px;
            min-height: 250px;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .main-content {
            flex: 1;
            max-width: 1400px;
            margin: 0 auto;
        }

        .header {
            background: linear-gradient(135deg, #1e3c72 0%, #2196F3 100%);
            color: white;
            padding: 60px 20px;
            text-align: center;
        }

        .header h1 {
            font-size: 48px;
            margin-bottom: 10px;
        }

        .header h1 .highlight {
            color: #FFC107;
        }

        .header p {
            font-size: 18px;
            opacity: 0.9;
        }

        .container {
            max-width: 100%;
            margin: 0;
            padding: 20px;
        }

        .exam-categories {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }

        .exam-card {
            background: white;
            padding: 20px;
            border-radius: 8px;
            box-shadow: 0 2px 8px rgba(0,0,0,0.1);
            display: flex;
            align-items: center;
            gap: 15px;
            transition: all 0.3s;
            cursor: pointer;
        }

        .exam-card:hover {
            transform: translateY(-3px);
            box-shadow: 0 4px 12px rgba(33, 150, 243, 0.3);
        }

        .exam-icon {
            width: 50px;
            height: 50px;
            background: #e3f2fd;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            flex-shrink: 0;
        }

        .exam-info h3 {
            font-size: 16px;
            color: #1e3c72;
            margin-bottom: 5px;
        }

        .exam-info p {
            font-size: 13px;
            color: #666;
            margin: 0;
        }

        .why-choose-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin: 40px 0;
        }

        .why-choose-card {
            text-align: center;
            padding: 20px;
        }

        .why-icon-circle {
            margin: 0 auto 20px;
            width: 120px;
            height: 120px;
        }

        .why-description {
            font-size: 15px;
            line-height: 1.6;
            color: #333;
        }

        .why-description strong {
            color: #1e3c72;
            font-weight: 600;
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(320px, 1fr));
            gap: 30px;
            margin: 40px 0;
        }

        .testimonial-card {
            background: #f9f9f9;
            padding: 30px;
            border-radius: 10px;
            border-left: 4px solid #2196F3;
            transition: all 0.3s;
        }

        .testimonial-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 20px rgba(33, 150, 243, 0.2);
        }

        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 15px;
            margin-bottom: 15px;
        }

        .testimonial-avatar {
            width: 60px;
            height: 60px;
            background: #e3f2fd;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 32px;
        }

        .testimonial-info h4 {
            margin: 0;
            color: #1e3c72;
            font-size: 18px;
            font-weight: 600;
        }

        .testimonial-info p {
            margin: 5px 0 0 0;
            color: #2196F3;
            font-size: 14px;
            font-weight: 500;
        }

        .testimonial-rating {
            margin-bottom: 15px;
            font-size: 18px;
        }

        .testimonial-text {
            color: #555;
            line-height: 1.6;
            font-size: 15px;
            font-style: italic;
        }

        .faq-container {
            max-width: 900px;
            margin: 0 auto;
        }

        .faq-item {
            background: white;
            border: 2px solid #e0e0e0;
            border-radius: 8px;
            margin-bottom: 15px;
            overflow: hidden;
            transition: all 0.3s;
            cursor: pointer;
        }

        .faq-item:hover {
            border-color: #2196F3;
        }

        .faq-question {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 25px 30px;
            background: #f9f9f9;
        }

        .faq-question h3 {
            margin: 0;
            color: #1e3c72;
            font-size: 18px;
            font-weight: 600;
            flex: 1;
        }

        .faq-icon {
            font-size: 32px;
            color: #2196F3;
            font-weight: 300;
            margin-left: 20px;
            transition: transform 0.3s;
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease-out;
            padding: 0 30px;
        }

        .faq-item.active .faq-answer {
            max-height: 500px;
            padding: 25px 30px;
            transition: max-height 0.5s ease-in;
        }

        .faq-item.active .faq-question {
            background: #e3f2fd;
        }

        .faq-answer p {
            margin: 0;
            color: #555;
            line-height: 1.8;
            font-size: 15px;
        }

        .section {
            background: white;
            margin: 40px 0;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }

        .section-title {
            font-size: 32px;
            margin-bottom: 20px;
            color: #1e3c72;
        }

        .section-title span {
            color: #2196F3;
        }

        .section-description {
            font-size: 16px;
            color: #666;
            margin-bottom: 30px;
            line-height: 1.6;
        }

        .feature-image {
            width: 100%;
            max-width: 900px;
            margin: 20px auto;
            display: block;
            border-radius: 8px;
            box-shadow: 0 4px 15px rgba(0,0,0,0.1);
        }

        .settings-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }

        .setting-item {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px;
            background: #f9f9f9;
            border-radius: 5px;
            border-left: 4px solid #2196F3;
        }

        .setting-label {
            font-weight: 600;
            color: #333;
        }

        .toggle {
            display: flex;
            gap: 10px;
        }

        .toggle-btn {
            padding: 5px 15px;
            border: 2px solid #2196F3;
            background: white;
            color: #2196F3;
            border-radius: 20px;
            cursor: pointer;
            font-size: 14px;
            transition: all 0.3s;
        }

        .toggle-btn.active {
            background: #2196F3;
            color: white;
        }

        .question-types {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 20px 0;
        }

        .question-type {
            padding: 10px 20px;
            background: #e3f2fd;
            color: #1565c0;
            border-radius: 25px;
            font-size: 14px;
            font-weight: 600;
            border: 2px solid #2196F3;
        }

        .cms-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 30px 0;
        }

        .cms-box {
            background: #f9f9f9;
            padding: 30px;
            border-radius: 8px;
            border-top: 4px solid #2196F3;
        }

        .cms-box h3 {
            color: #1e3c72;
            margin-bottom: 20px;
            font-size: 22px;
        }

        .cms-box ul {
            list-style: none;
        }

        .cms-box ul li {
            padding: 8px 0;
            color: #555;
            position: relative;
            padding-left: 20px;
        }

        .cms-box ul li:before {
            content: "•";
            color: #2196F3;
            font-size: 20px;
            position: absolute;
            left: 0;
        }

        .action-buttons {
            display: flex;
            gap: 15px;
            margin: 20px 0;
        }

        .btn {
            padding: 12px 30px;
            border: none;
            border-radius: 5px;
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s;
        }

        .btn-primary {
            background: #2196F3;
            color: white;
        }

        .btn-primary:hover {
            background: #1976D2;
            transform: translateY(-2px);
        }

        .btn-secondary {
            background: #dc3545;
            color: white;
        }

        .btn-secondary:hover {
            background: #c82333;
            transform: translateY(-2px);
        }

        .language-table {
            width: 100%;
            margin: 20px 0;
            border-collapse: collapse;
        }

        .language-table th,
        .language-table td {
            padding: 15px;
            text-align: left;
            border-bottom: 1px solid #e0e0e0;
        }

        .language-table th {
            background: #2196F3;
            color: white;
            font-weight: 600;
        }

        .language-table tr:hover {
            background: #f5f5f5;
        }

        .lang-badge {
            padding: 5px 15px;
            background: #4CAF50;
            color: white;
            border-radius: 15px;
            font-size: 12px;
            font-weight: 600;
        }

        @media (max-width: 768px) {
            body {
                flex-direction: column;
            }

            .sidebar {
                width: 100%;
                height: auto;
                position: relative;
            }

            .header h1 {
                font-size: 32px;
            }

            .section {
                padding: 20px;
            }

            .section-title {
                font-size: 24px;
            }

            .settings-grid {
                grid-template-columns: 1fr;
            }

            .exam-categories {
                grid-template-columns: 1fr;
            }
        }