* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #2a4365;
            --secondary: #c53030;
            --accent: #ecc94b;
            --light: #f7fafc;
            --dark: #1a202c;
            --gray: #718096;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #f5f7fa;
            color: #333;
            line-height: 1.7;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--primary) 0%, #1a365d 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--accent);
        }
        .desktop-nav {
            display: flex;
            gap: 2rem;
        }
        .desktop-nav a {
            color: white;
            text-decoration: none;
            font-weight: 500;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .desktop-nav a:hover {
            background-color: rgba(255,255,255,0.15);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--primary);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            color: white;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255,255,255,0.1);
            text-decoration: none;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #edf2f7;
            font-size: 0.9rem;
            color: var(--gray);
        }
        .breadcrumb a {
            color: var(--primary);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            box-shadow: 0 0 20px rgba(0,0,0,0.05);
            border-radius: 8px;
            margin: 2rem auto;
        }
        .article-header {
            text-align: center;
            padding: 2rem 0;
            border-bottom: 1px solid #e2e8f0;
            margin-bottom: 3rem;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary);
            margin-bottom: 1rem;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: var(--primary);
            margin: 2.5rem 0 1rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid var(--accent);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--secondary);
            margin: 2rem 0 1rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .content-section {
            padding: 0 3rem;
        }
        .highlight-box {
            background: linear-gradient(to right, #ebf8ff, #fff5eb);
            border-left: 5px solid var(--accent);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .hero-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
            transition: var(--transition);
        }
        .hero-image:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 30px rgba(0,0,0,0.15);
        }
        .feature-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin: 3rem 0;
        }
        .feature-card {
            background: #f8fafc;
            padding: 1.5rem;
            border-radius: 10px;
            border: 1px solid #e2e8f0;
            transition: var(--transition);
        }
        .feature-card:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,0,0,0.08);
            border-color: var(--accent);
        }
        .feature-card i {
            font-size: 2.5rem;
            color: var(--secondary);
            margin-bottom: 1rem;
        }
        .search-box {
            background-color: #f1f5f9;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            text-align: center;
        }
        .search-box input {
            width: 70%;
            padding: 12px 20px;
            border: 2px solid #cbd5e0;
            border-radius: 50px;
            font-size: 1rem;
            margin-right: 10px;
        }
        .search-box button {
            padding: 12px 30px;
            background: linear-gradient(to right, var(--primary), #2d3748);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-box button:hover {
            background: linear-gradient(to right, #2d3748, var(--primary));
            transform: translateY(-2px);
        }
        .rating-section {
            background-color: #fffaf0;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            border: 1px solid #fed7d7;
        }
        .stars {
            color: #f6ad55;
            font-size: 1.5rem;
            margin: 1rem 0;
            cursor: pointer;
        }
        .stars i:hover {
            transform: scale(1.2);
        }
        .comment-section {
            margin: 4rem 0;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border: 2px solid #e2e8f0;
            border-radius: 8px;
            font-size: 1rem;
            margin-bottom: 1rem;
            min-height: 150px;
            resize: vertical;
        }
        .btn {
            padding: 12px 30px;
            background-color: var(--primary);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        .btn:hover {
            background-color: #1a365d;
            transform: translateY(-2px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .btn-accent {
            background-color: var(--secondary);
        }
        .btn-accent:hover {
            background-color: #9b2c2c;
        }
        .footer-links {
            background-color: #2d3748;
            padding: 3rem 0;
            color: white;
        }
        .web-link {
            display: inline-block;
            margin: 10px 20px 10px 0;
            padding: 8px 15px;
            background-color: rgba(255,255,255,0.1);
            border-radius: 4px;
            transition: var(--transition);
        }
        .web-link:hover {
            background-color: rgba(255,255,255,0.2);
            transform: translateY(-3px);
        }
        .web-link a {
            color: #e2e8f0;
            text-decoration: none;
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background-color: #1a202c;
            color: #a0aec0;
            padding: 2rem 0;
            text-align: center;
        }
        .copyright {
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-section {
                padding: 0 2rem;
            }
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.8rem;
            }
        }
        @media (max-width: 768px) {
            .desktop-nav {
                display: none;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-box input {
                width: 100%;
                margin-bottom: 15px;
            }
            .content-section {
                padding: 0 1rem;
            }
            h1 {
                font-size: 2rem;
            }
            .feature-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 15px;
            }
            .article-header {
                padding: 1.5rem 0;
            }
            .btn {
                display: block;
                width: 100%;
                margin-bottom: 10px;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in {
            animation: fadeIn 0.8s ease forwards;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        .bold {
            font-weight: 700;
            color: var(--primary);
        }
        .keyword {
            background-color: #fffacd;
            padding: 2px 6px;
            border-radius: 3px;
            font-weight: 600;
        }