:root {
            --primary-red: #E53935;
            --primary-blue: #1E88E5;
            --primary-yellow: #FFD600;
            --primary-green: #43A047;
            --dark-bg: #121212;
            --light-bg: #FAFAFA;
            --text-dark: #212121;
            --text-light: #F5F5F5;
            --accent-color: #7B1FA2;
            --shadow: 0 4px 12px rgba(0,0,0,0.1);
            --transition: all 0.3s cubic-bezier(0.25, 0.8, 0.25, 1);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--text-dark);
            background-color: var(--light-bg);
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
        }
        .site-header {
            background: linear-gradient(135deg, var(--primary-red), var(--accent-color));
            color: white;
            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;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: var(--transition);
        }
        .my-logo:hover {
            transform: scale(1.05);
            text-shadow: 0 0 10px rgba(255, 255, 255, 0.7);
        }
        .my-logo i {
            font-size: 2rem;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover,
        .main-nav a:focus {
            background-color: rgba(255, 255, 255, 0.2);
            transform: translateY(-2px);
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.1);
            padding: 0.8rem 1.5rem;
            margin-top: 1rem;
            border-radius: 4px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-light);
            text-decoration: none;
        }
        .breadcrumb span {
            color: rgba(255, 255, 255, 0.7);
        }
        .content-wrapper {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin: 3rem 0;
        }
        main {
            background: white;
            padding: 3rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        aside {
            background: white;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 150px;
        }
        h1 {
            color: var(--primary-red);
            font-size: 3.2rem;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 5px solid var(--primary-yellow);
            padding-bottom: 0.5rem;
        }
        h2 {
            color: var(--primary-blue);
            font-size: 2.4rem;
            margin: 2.5rem 0 1rem;
            padding-top: 1rem;
        }
        h3 {
            color: var(--accent-color);
            font-size: 1.8rem;
            margin: 2rem 0 1rem;
        }
        h4 {
            color: var(--primary-green);
            font-size: 1.4rem;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--dark-bg);
            background: linear-gradient(to right, #FFD60022, #1E88E522);
            padding: 1.5rem;
            border-left: 5px solid var(--primary-blue);
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .highlight {
            background-color: #FFF9C4;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
            font-weight: 600;
        }
        blockquote {
            border-left: 4px solid var(--primary-red);
            padding-left: 1.5rem;
            margin: 2rem 0;
            font-style: italic;
            color: #555;
            background-color: #F5F5F5;
            padding: 1.5rem;
            border-radius: 0 8px 8px 0;
        }
        .search-box {
            margin: 2rem 0;
            display: flex;
        }
        .search-box input {
            flex: 1;
            padding: 1rem;
            border: 2px solid var(--primary-blue);
            border-radius: 8px 0 0 8px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: var(--primary-blue);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            transition: var(--transition);
            font-weight: 600;
        }
        .search-box button:hover {
            background-color: #0D47A1;
        }
        .user-interaction {
            background: #F8F9FA;
            border: 2px dashed #BDBDBD;
            border-radius: 12px;
            padding: 2rem;
            margin: 3rem 0;
            text-align: center;
        }
        .rating {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin: 1.5rem 0;
        }
        .star {
            font-size: 2rem;
            color: #E0E0E0;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: #FFD600;
            transform: scale(1.2);
        }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 1rem;
            border: 2px solid #BDBDBD;
            border-radius: 8px;
            margin: 1rem 0;
            font-family: inherit;
            resize: vertical;
        }
        .btn {
            display: inline-block;
            background: linear-gradient(to right, var(--primary-red), var(--accent-color));
            color: white;
            padding: 0.8rem 2rem;
            border: none;
            border-radius: 8px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
            text-decoration: none;
        }
        .btn:hover {
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(0,0,0,0.15);
        }
        .article-image {
            width: 100%;
            max-height: 500px;
            object-fit: cover;
            border-radius: 12px;
            margin: 2rem 0;
            box-shadow: var(--shadow);
            border: 5px solid white;
            transition: var(--transition);
        }
        .article-image:hover {
            transform: scale(1.01);
            box-shadow: 0 8px 24px rgba(0,0,0,0.2);
        }
        a {
            color: var(--primary-blue);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--primary-red);
            text-decoration: underline;
        }
        .internal-links {
            background: #E3F2FD;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .internal-links h4 {
            margin-top: 0;
        }
        .internal-links ul {
            columns: 2;
            list-style-position: inside;
        }
        footer {
            background-color: var(--dark-bg);
            color: var(--text-light);
            padding: 3rem 0;
            margin-top: 4rem;
            border-radius: 12px 12px 0 0;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        friend-link {
            display: block;
            padding: 0.8rem;
            background: rgba(255,255,255,0.05);
            margin: 0.5rem 0;
            border-radius: 4px;
            transition: var(--transition);
        }
        friend-link:hover {
            background: rgba(255,255,255,0.1);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            color: #BDBDBD;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
        }
        @media (max-width: 768px) {
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                margin-top: 1rem;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .internal-links ul {
                columns: 1;
            }
            main, aside {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, aside {
            animation: fadeIn 0.8s ease-out;
        }
        .last-updated {
            background: #E8F5E9;
            padding: 0.8rem;
            border-radius: 8px;
            margin: 1rem 0;
            font-size: 0.9rem;
            color: var(--primary-green);
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
        }