:root {
            --primary-color: #4361ee;
            --secondary-color: #3a0ca3;
            --accent-color: #f72585;
            --dark-bg: #1a1a2e;
            --light-bg: #f8f9fa;
            --text-dark: #212529;
            --text-light: #e9ecef;
            --border-radius: 12px;
            --shadow: 0 10px 20px rgba(0,0,0,0.1);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--light-bg);
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--dark-bg) 0%, var(--secondary-color) 100%);
            color: var(--text-light);
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(to right, #4cc9f0, #f72585);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-decoration: none;
            letter-spacing: -0.5px;
        }
        .my-logo:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        nav a:hover, nav a.active {
            background-color: rgba(255,255,255,0.15);
            color: #4cc9f0;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-light);
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        .breadcrumb a {
            color: #4cc9f0;
            text-decoration: none;
        }
        .hero {
            background: linear-gradient(rgba(26, 26, 46, 0.85), rgba(58, 12, 163, 0.9)), url('https://images.unsplash.com/photo-1550745165-9bc0b252726f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1600') center/cover no-repeat;
            color: white;
            padding: 5rem 0;
            text-align: center;
            margin-bottom: 3rem;
            border-radius: 0 0 var(--border-radius) var(--border-radius);
        }
        .hero h1 {
            font-size: 3.5rem;
            margin-bottom: 1.5rem;
            text-shadow: 2px 2px 8px rgba(0,0,0,0.5);
        }
        .hero p {
            font-size: 1.3rem;
            max-width: 800px;
            margin: 0 auto 2rem;
            color: #dee2e6;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 4rem;
        }
        .content-area {
            background: white;
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar {
            background: white;
            padding: 2rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        h1, h2, h3, h4 {
            color: var(--secondary-color);
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            line-height: 1.3;
        }
        h1 { font-size: 3rem; }
        h2 { font-size: 2.2rem; border-bottom: 3px solid var(--accent-color); padding-bottom: 0.5rem; }
        h3 { font-size: 1.8rem; color: var(--primary-color); }
        h4 { font-size: 1.4rem; color: #495057; }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 500;
            color: var(--primary-color);
            background: #e7f1ff;
            padding: 1.5rem;
            border-left: 5px solid var(--primary-color);
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            margin: 2rem 0;
        }
        emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        strong {
            color: var(--accent-color);
            font-weight: 700;
        }
        .highlight-box {
            background: linear-gradient(120deg, #fdfcfb 0%, #e2d1c3 100%);
            border: 2px dashed var(--accent-color);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
            margin: 2rem auto;
            display: block;
            transition: transform 0.5s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        figcaption {
            text-align: center;
            font-style: italic;
            color: #6c757d;
            margin-top: 0.5rem;
        }
        .search-box, .comment-box, .rating-box {
            background: #f8f9fa;
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 2.5rem;
            border: 1px solid #dee2e6;
        }
        .search-box h3, .comment-box h3, .rating-box h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        input, textarea, select {
            width: 100%;
            padding: 1rem;
            border: 2px solid #ced4da;
            border-radius: var(--border-radius);
            font-family: inherit;
            font-size: 1rem;
            transition: var(--transition);
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.25);
        }
        button, .btn {
            background: linear-gradient(to right, var(--primary-color), var(--secondary-color));
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            display: inline-block;
            text-decoration: none;
        }
        button:hover, .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 15px rgba(67, 97, 238, 0.4);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover, .star.active {
            color: #ffc107;
        }
        .related-links {
            background: #e9ecef;
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin: 2.5rem 0;
        }
        .related-links ul {
            list-style: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(280px, 1fr));
            gap: 1rem;
        }
        .related-links a {
            color: var(--primary-color);
            text-decoration: none;
            padding: 0.8rem 1.2rem;
            background: white;
            border-radius: var(--border-radius);
            display: block;
            transition: var(--transition);
            border-left: 4px solid var(--primary-color);
        }
        .related-links a:hover {
            background: var(--primary-color);
            color: white;
            transform: translateX(5px);
        }
        footer {
            background: var(--dark-bg);
            color: var(--text-light);
            padding: 4rem 0 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 3rem;
            margin-bottom: 3rem;
        }
        .footer-section h4 {
            color: #4cc9f0;
            margin-top: 0;
            border-bottom: 2px solid #4cc9f0;
            padding-bottom: 0.7rem;
        }
        friend-link {
            display: block;
            background: rgba(255,255,255,0.05);
            padding: 1rem;
            margin-bottom: 0.8rem;
            border-radius: 8px;
            transition: var(--transition);
        }
        friend-link a {
            color: #a5d8ff;
            text-decoration: none;
            font-weight: 500;
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid #495057;
            font-size: 0.9rem;
            color: #adb5bd;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
            .hero h1 {
                font-size: 2.8rem;
            }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
                order: 1;
            }
            nav {
                width: 100%;
                order: 3;
                display: none;
                margin-top: 1.5rem;
            }
            nav.active {
                display: block;
            }
            nav ul {
                flex-direction: column;
                gap: 0;
            }
            nav a {
                display: block;
                padding: 1rem;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            .content-area, .sidebar {
                padding: 1.5rem;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
            .footer-content {
                grid-template-columns: 1fr;
                gap: 2rem;
            }
        }