* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            font-size: 1.05rem;
        }
        a {
            text-decoration: none;
            color: #2c5aa0;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #e74c3c;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5rem;
            margin: 1rem 0;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(135deg, #2c5aa0, #3a7bd5);
            color: white;
            border: none;
            border-radius: 6px;
            font-weight: 600;
            cursor: pointer;
            transition: all 0.3s ease;
            text-align: center;
        }
        .btn:hover {
            background: linear-gradient(135deg, #e74c3c, #c0392b);
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(231, 76, 60, 0.3);
        }
        .section-title {
            font-size: 2.2rem;
            color: #2c3e50;
            margin-bottom: 1.5rem;
            padding-bottom: 0.75rem;
            border-bottom: 3px solid #3498db;
            position: relative;
        }
        .section-title::after {
            content: '';
            position: absolute;
            bottom: -3px;
            left: 0;
            width: 120px;
            height: 3px;
            background: #e74c3c;
        }
        .highlight {
            background-color: #fffacd;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 600;
        }
        .card {
            background: white;
            border-radius: 12px;
            padding: 2rem;
            box-shadow: 0 5px 20px rgba(0,0,0,0.07);
            margin-bottom: 2rem;
            border-top: 5px solid #3498db;
        }
        .site-header {
            background: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 20px;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #2c5aa0, #e74c3c);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: -1px;
        }
        .logo span {
            color: #2c5aa0;
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 1.1rem;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 3px;
            background: #e74c3c;
            transition: width 0.3s;
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #2c5aa0;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background: white;
            padding: 1.5rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 12px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
        }
        .breadcrumb {
            padding: 1rem 20px;
            background: #f1f8ff;
            font-size: 0.95rem;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #e74c3c;
        }
        .hero {
            padding: 3rem 20px;
            background: linear-gradient(135deg, #f8f9fa 0%, #e3f2fd 100%);
            text-align: center;
        }
        .hero h1 {
            font-size: 3rem;
            color: #2c3e50;
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: #555;
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .search-box {
            max-width: 700px;
            margin: 2rem auto;
            padding: 2rem;
            background: white;
            border-radius: 12px;
            box-shadow: 0 8px 25px rgba(0,0,0,0.08);
        }
        .search-box h2 {
            margin-bottom: 1rem;
            color: #2c3e50;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        .search-input:focus {
            outline: none;
            border-color: #3498db;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            padding: 3rem 20px;
        }
        .main-content {
            grid-column: 1;
        }
        .sidebar {
            grid-column: 2;
        }
        .article-section {
            margin-bottom: 3rem;
        }
        .article-section h2 {
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
            color: #2c5aa0;
            padding-left: 15px;
            border-left: 5px solid #e74c3c;
        }
        .article-section h3 {
            font-size: 1.5rem;
            margin: 1.5rem 0 1rem;
            color: #2c3e50;
        }
        .article-section p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .feature-img {
            margin: 2rem auto;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
            border: 5px solid white;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 1.5rem;
            margin: 2rem 0;
        }
        .stat-card {
            background: white;
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            border-top: 4px solid #2c5aa0;
        }
        .stat-card i {
            font-size: 2.5rem;
            color: #2c5aa0;
            margin-bottom: 1rem;
        }
        .interaction {
            background: white;
            padding: 2.5rem;
            border-radius: 12px;
            margin-top: 3rem;
        }
        .rating-section, .comment-section {
            margin-bottom: 2.5rem;
        }
        .star-rating {
            direction: rtl;
            display: inline-block;
            font-size: 2rem;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star-rating input:checked ~ label,
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #f39c12;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .form-row {
            display: flex;
            gap: 1rem;
            margin-bottom: 1rem;
        }
        .form-row input {
            flex: 1;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
        }
        .sidebar-widget {
            background: white;
            padding: 1.8rem;
            border-radius: 12px;
            margin-bottom: 2rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
        }
        .sidebar-widget h3 {
            color: #2c5aa0;
            margin-bottom: 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #eee;
        }
        .sidebar-list li {
            padding: 10px 0;
            border-bottom: 1px dashed #eee;
        }
        .sidebar-list li:last-child {
            border-bottom: none;
        }
        .footer-links {
            background: #2c3e50;
            padding: 3rem 20px;
            color: white;
        }
        .web-link {
            display: inline-block;
            background: rgba(255,255,255,0.08);
            margin: 0.5rem;
            padding: 12px 25px;
            border-radius: 6px;
            transition: all 0.3s;
        }
        .web-link:hover {
            background: #3498db;
            transform: translateY(-3px);
        }
        .web-link a {
            color: white;
        }
        .site-footer {
            background: #1a252f;
            color: #bbb;
            padding: 3rem 20px 1.5rem;
            text-align: center;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #34495e;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
            .sidebar {
                grid-column: 1;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .section-title {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .hero h1 {
                font-size: 2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .search-form {
                flex-direction: column;
            }
            .form-row {
                flex-direction: column;
            }
            .stats-grid {
                grid-template-columns: 1fr;
            }
        }