* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
        }
        :root {
            --primary: #1a365d;
            --secondary: #2d6bc9;
            --accent: #e53e3e;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --transition: all 0.3s ease;
        }
        body {
            background-color: #f8f9fa;
            color: var(--dark);
            line-height: 1.6;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        a {
            text-decoration: none;
            color: var(--secondary);
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: linear-gradient(to right, var(--secondary), var(--primary));
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            text-align: center;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
            color: white;
        }
        header {
            background-color: white;
            box-shadow: 0 4px 12px rgba(0,0,0,0.05);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 28px;
            font-weight: 800;
            color: var(--primary);
        }
        .logo span {
            color: var(--accent);
        }
        .logo:hover {
            color: var(--primary);
        }
        .desktop-nav {
            display: flex;
            gap: 30px;
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
        }
        .desktop-nav a {
            font-weight: 600;
            font-size: 16px;
            position: relative;
        }
        .desktop-nav a::after {
            content: '';
            position: absolute;
            bottom: -5px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--accent);
            transition: var(--transition);
        }
        .desktop-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 24px;
            cursor: pointer;
            color: var(--primary);
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
        }
        .mobile-nav {
            position: fixed;
            top: 0;
            left: -100%;
            width: 80%;
            height: 100vh;
            background: white;
            padding: 30px;
            box-shadow: 5px 0 15px rgba(0,0,0,0.1);
            transition: var(--transition);
            z-index: 1001;
            overflow-y: auto;
        }
        .mobile-nav.active {
            left: 0;
        }
        .mobile-nav a {
            display: block;
            padding: 15px 0;
            border-bottom: 1px solid #eee;
            font-weight: 600;
            font-size: 18px;
        }
        .overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0,0,0,0.5);
            z-index: 1000;
        }
        .overlay.active {
            display: block;
        }
        .close-menu {
            text-align: right;
            font-size: 28px;
            cursor: pointer;
            margin-bottom: 20px;
        }
        .breadcrumb {
            padding: 15px 0;
            background: #edf2f7;
            margin-bottom: 30px;
            font-size: 14px;
        }
        .breadcrumb a {
            color: var(--gray);
        }
        .breadcrumb span {
            color: var(--dark);
            font-weight: 600;
        }
        .breadcrumb i {
            margin: 0 10px;
            color: var(--gray);
        }
        .search-container {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            margin: 30px 0;
            text-align: center;
        }
        .search-box {
            max-width: 600px;
            margin: 0 auto;
            position: relative;
        }
        .search-box input {
            width: 100%;
            padding: 16px 20px;
            border: 2px solid #e2e8f0;
            border-radius: 50px;
            font-size: 16px;
            transition: var(--transition);
        }
        .search-box input:focus {
            outline: none;
            border-color: var(--secondary);
        }
        .search-box button {
            position: absolute;
            right: 8px;
            top: 8px;
            background: var(--secondary);
            color: white;
            border: none;
            border-radius: 50%;
            width: 46px;
            height: 46px;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: var(--primary);
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
            margin: 40px 0;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .main-content {
            background: white;
            padding: 40px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
        }
        .sidebar {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            align-self: start;
            position: sticky;
            top: 100px;
        }
        h1 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 20px;
            line-height: 1.2;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2rem;
            }
        }
        h2 {
            font-size: 1.8rem;
            color: var(--primary);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            font-size: 1.4rem;
            color: var(--secondary);
            margin: 30px 0 15px;
        }
        .lead {
            font-size: 1.2rem;
            color: var(--gray);
            margin-bottom: 30px;
            font-weight: 500;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background: linear-gradient(120deg, #e0f2fe 0%, #f0f9ff 100%);
            border-left: 4px solid var(--secondary);
            padding: 25px;
            margin: 30px 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: 10px;
            font-size: 14px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .stat-card {
            background: white;
            padding: 25px;
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.03);
            text-align: center;
            border-top: 4px solid var(--secondary);
        }
        .stat-card h4 {
            font-size: 2.5rem;
            color: var(--primary);
            margin-bottom: 10px;
        }
        .interactive-section {
            background: #f8fafc;
            border: 1px dashed #cbd5e0;
            border-radius: 10px;
            padding: 30px;
            margin: 40px 0;
            text-align: center;
        }
        .rating-stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
            font-size: 24px;
            color: #ffc107;
        }
        .star {
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form textarea, .comment-form input {
            width: 100%;
            padding: 15px;
            margin: 10px 0;
            border: 1px solid #e2e8f0;
            border-radius: 8px;
            font-size: 16px;
        }
        .comments-section {
            margin-top: 50px;
            border-top: 2px solid #e2e8f0;
            padding-top: 30px;
        }
        .comment {
            background: #f8fafc;
            padding: 20px;
            border-radius: 8px;
            margin-bottom: 20px;
        }
        .comment-author {
            font-weight: bold;
            color: var(--primary);
        }
        .comment-date {
            color: var(--gray);
            font-size: 14px;
        }
        .footer-links {
            background: white;
            padding: 40px 0;
            margin-top: 50px;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin-bottom: 40px;
        }
        .web-link {
            padding: 15px;
            background: #f8fafc;
            border-radius: 8px;
            transition: var(--transition);
        }
        .web-link:hover {
            background: #e0f2fe;
            transform: translateX(5px);
        }
        .web-link a {
            font-weight: 600;
            color: var(--dark);
        }
        footer {
            background: var(--primary);
            color: white;
            padding: 50px 0 20px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-logo {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 20px;
            color: white;
        }
        .footer-links-section a {
            display: block;
            color: #cbd5e0;
            margin-bottom: 12px;
        }
        .footer-links-section a:hover {
            color: white;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d6bc9;
            color: #cbd5e0;
            font-size: 14px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .keyword {
            font-weight: bold;
            color: var(--secondary);
        }
        .highlight-text {
            background: linear-gradient(120deg, #ffecb3 0%, #fff8e1 100%);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: 600;
        }