* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        :root {
            --primary: #0056a7; 
            --secondary: #ff2a2a; 
            --accent: #f0b90b; 
            --dark: #1a1a2e;
            --light: #f8f9fa;
            --gray: #6c757d;
            --transition: all 0.3s ease;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #fff;
            color: #333;
            line-height: 1.6;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--transition);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .btn {
            display: inline-block;
            padding: 12px 28px;
            background: var(--primary);
            color: white;
            border-radius: 30px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--transition);
        }
        .btn:hover {
            background: var(--secondary);
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        section {
            padding: 60px 0;
        }
        h1, h2, h3, h4 {
            color: var(--dark);
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, var(--primary), var(--secondary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid var(--accent);
            padding-left: 15px;
            margin-top: 2rem;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fff9db;
            padding: 25px;
            border-radius: 10px;
            border-left: 5px solid var(--accent);
            margin: 30px 0;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 5px;
        }
        header {
            background-color: 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: 20px 0;
        }
        .logo {
            font-size: 1.8rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
        }
        .logo i {
            color: var(--secondary);
            margin-right: 10px;
        }
        .logo span {
            color: var(--secondary);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 30px;
        }
        nav ul li a {
            font-weight: 600;
            padding: 8px 0;
            position: relative;
        }
        nav ul li a:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: var(--secondary);
            transition: var(--transition);
        }
        nav ul li a:hover {
            color: var(--secondary);
        }
        nav ul li a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: var(--primary);
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #f8f9fa;
            font-size: 0.95rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
        }
        .breadcrumb li:not(:last-child):after {
            content: '>';
            margin: 0 10px;
            color: var(--gray);
        }
        .breadcrumb a:hover {
            color: var(--secondary);
            text-decoration: underline;
        }
        .hero {
            background: linear-gradient(rgba(0,84,167,0.85), rgba(26,26,46,0.9)), url('https://images.unsplash.com/photo-1556056504-5c7696c4c28d?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600&q=80');
            background-size: cover;
            background-position: center;
            color: white;
            text-align: center;
            padding: 100px 20px;
            border-radius: 0 0 20px 20px;
            margin-bottom: 40px;
        }
        .hero h1 {
            color: white;
            -webkit-text-fill-color: white;
            font-size: 3.2rem;
            margin-bottom: 20px;
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 30px;
        }
        .search-bar {
            max-width: 600px;
            margin: 40px auto;
            background: white;
            padding: 30px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0,0,0,0.1);
        }
        .search-bar h3 {
            text-align: center;
            margin-bottom: 20px;
        }
        .search-form {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }
        .search-form input, .search-form select {
            flex: 1 1 200px;
            padding: 15px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
        }
        .search-form button {
            flex: 0 0 auto;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        .main-content {
            padding-right: 20px;
        }
        .sidebar {
            background: #f8f9fa;
            padding: 25px;
            border-radius: 15px;
            height: fit-content;
        }
        .sidebar h3 {
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--accent);
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar ul li {
            margin-bottom: 12px;
            padding-bottom: 12px;
            border-bottom: 1px dashed #ddd;
        }
        .sidebar ul li a:hover {
            color: var(--secondary);
            padding-left: 5px;
        }
        .article-intro {
            font-size: 1.2rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 30px;
        }
        .featured-image {
            margin: 30px 0;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 20px rgba(0,0,0,0.1);
        }
        .featured-image figcaption {
            padding: 10px;
            font-style: italic;
            text-align: center;
            color: var(--gray);
            font-size: 0.9rem;
        }
        .link-list {
            background: #e9f7fe;
            padding: 20px;
            border-radius: 10px;
            margin: 30px 0;
        }
        .link-list ul {
            list-style: none;
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            justify-content: center;
        }
        .link-list li a {
            background: white;
            padding: 10px 20px;
            border-radius: 30px;
            font-weight: 600;
            border: 2px solid transparent;
        }
        .link-list li a:hover {
            border-color: var(--primary);
            transform: scale(1.05);
        }
        .interactive-section {
            background: #f8f9fa;
            padding: 40px;
            border-radius: 15px;
            margin-top: 60px;
        }
        .rating {
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 30px;
        }
        .rating i {
            color: #ddd;
            font-size: 1.8rem;
            margin: 0 5px;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating i:hover, .rating i.active {
            color: var(--accent);
        }
        .comment-form, .rating-form {
            margin-bottom: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
        }
        .form-group input, .form-group textarea, .form-group select {
            width: 100%;
            padding: 12px;
            border: 2px solid #ddd;
            border-radius: 8px;
            font-size: 1rem;
            transition: var(--transition);
        }
        .form-group input:focus, .form-group textarea:focus {
            border-color: var(--primary);
            outline: none;
        }
        footer {
            background-color: var(--dark);
            color: white;
            padding: 60px 0 30px;
            margin-top: 60px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-col h4 {
            color: white;
            margin-bottom: 25px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-col h4:after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 50px;
            height: 3px;
            background: var(--accent);
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul li a:hover {
            color: var(--accent);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 20px;
            border-radius: 10px;
            margin-top: 20px;
        }
        friend-link a {
            color: var(--accent);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .main-content {
                padding-right: 0;
            }
            h1 {
                font-size: 2.4rem;
            }
            h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            nav {
                width: 100%;
                max-height: 0;
                overflow: hidden;
                transition: max-height 0.5s ease;
            }
            nav.active {
                max-height: 300px;
                margin-top: 20px;
            }
            nav ul {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul li {
                margin: 10px 0;
                width: 100%;
            }
            .hero {
                padding: 80px 20px;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input, .search-form select {
                width: 100%;
            }
        }
        @media (max-width: 576px) {
            section {
                padding: 40px 0;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .interactive-section {
                padding: 25px;
            }
        }