* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: #333;
            background-color: #f9f9fb;
            max-width: 120rem;
            margin: 0 auto;
            padding: 0 1rem;
        }
        a {
            color: #4361ee;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #3a0ca3;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 2rem;
            margin: 1rem 0;
        }
        blockquote {
            border-left: 4px solid #4361ee;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            font-style: italic;
            color: #555;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: white;
            padding: 1.5rem 0;
            border-bottom: 5px solid #4361ee;
            margin-bottom: 2rem;
        }
        .header-container {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            padding: 0 1rem;
        }
        .my-logo {
            font-family: 'Arial Black', Gadget, sans-serif;
            font-size: 2.5rem;
            font-weight: 900;
            color: #4cc9f0;
            text-shadow: 0 2px 5px rgba(0,0,0,0.5);
            letter-spacing: 1px;
        }
        .my-logo span {
            color: #f72585;
        }
        .my-logo:hover {
            transform: scale(1.02);
            transition: transform 0.3s ease;
        }
        .search-form {
            flex-grow: 1;
            max-width: 500px;
            margin: 0 2rem;
            position: relative;
        }
        .search-form input {
            width: 100%;
            padding: 0.8rem 1rem 0.8rem 3rem;
            border-radius: 50px;
            border: none;
            font-size: 1rem;
            background-color: rgba(255,255,255,0.15);
            color: white;
        }
        .search-form input::placeholder {
            color: #ccc;
        }
        .search-form button {
            position: absolute;
            left: 1rem;
            top: 50%;
            transform: translateY(-50%);
            background: none;
            border: none;
            color: #ccc;
            cursor: pointer;
        }
        .menu-toggle {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav {
            background-color: #0f3460;
            border-radius: 8px;
            margin-top: 1rem;
            width: 100%;
        }
        .nav-list {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            list-style: none;
        }
        .nav-list li {
            position: relative;
        }
        .nav-list a {
            display: block;
            padding: 1rem 1.5rem;
            color: white;
            font-weight: 600;
            text-transform: uppercase;
            font-size: 0.95rem;
            letter-spacing: 0.5px;
        }
        .nav-list a:hover {
            background-color: rgba(76, 201, 240, 0.2);
            border-radius: 4px;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #666;
        }
        .breadcrumb a {
            color: #4361ee;
        }
        main {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin-bottom: 3rem;
        }
        article {
            background-color: white;
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 20px rgba(0,0,0,0.08);
        }
        aside {
            background-color: white;
            padding: 1.5rem;
            border-radius: 12px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            align-self: start;
            position: sticky;
            top: 1rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #f72585;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #0f3460;
            margin: 2.5rem 0 1.5rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px dashed #4361ee;
        }
        h3 {
            font-size: 1.6rem;
            color: #3a0ca3;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #7209b7;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: #16213e;
            background-color: #eef2ff;
            padding: 1.2rem;
            border-radius: 8px;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        .feature-img {
            width: 100%;
            border-radius: 10px;
            margin: 2rem auto;
            border: 5px solid #e0e0e0;
        }
        .caption {
            text-align: center;
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, #4361ee, #3a0ca3);
            color: white;
            padding: 0.8rem 1.8rem;
            border-radius: 50px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 1px;
            border: none;
            cursor: pointer;
            transition: all 0.3s ease;
            box-shadow: 0 4px 10px rgba(67, 97, 238, 0.3);
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 15px rgba(67, 97, 238, 0.4);
            background: linear-gradient(to right, #3a0ca3, #4361ee);
        }
        .comment-form, .rating-form {
            background-color: #f8f9fa;
            padding: 1.8rem;
            border-radius: 10px;
            margin: 2.5rem 0;
            border-left: 5px solid #4361ee;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
            color: #333;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-family: inherit;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #4361ee;
            outline: none;
            box-shadow: 0 0 0 3px rgba(67, 97, 238, 0.2);
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            margin: 0.5rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .star:hover,
        .star.active {
            color: #ffcc00;
        }
        .sidebar-section {
            margin-bottom: 2.5rem;
        }
        .sidebar-section h3 {
            font-size: 1.3rem;
            margin-bottom: 1rem;
            color: #0f3460;
        }
        .link-list {
            list-style: none;
            padding-left: 0;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dotted #eee;
        }
        footer {
            background-color: #1a1a2e;
            color: #ccc;
            padding: 3rem 0 1.5rem;
            border-top: 5px solid #4361ee;
            margin-top: 3rem;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 2rem;
            margin: 2rem 0;
        }
        friend-link {
            display: inline-block;
            background-color: #0f3460;
            padding: 0.7rem 1.5rem;
            border-radius: 6px;
            transition: background-color 0.3s ease;
        }
        friend-link a {
            color: #4cc9f0;
            font-weight: 600;
        }
        friend-link:hover {
            background-color: #16213e;
        }
        .copyright {
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #333;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .search-form {
                order: 3;
                width: 100%;
                max-width: 100%;
                margin: 1rem 0 0;
            }
            .menu-toggle {
                display: block;
                position: absolute;
                right: 1rem;
                top: 2rem;
            }
            nav {
                display: none;
                width: 100%;
            }
            nav.active {
                display: block;
            }
            .nav-list {
                flex-direction: column;
                align-items: center;
            }
            .nav-list li {
                width: 100%;
                text-align: center;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            article {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, aside {
            animation: fadeIn 0.8s ease-out;
        }