:root {
            --primary-dark: #1a1a2e;
            --secondary-dark: #16213e;
            --accent-red: #e94560;
            --accent-gold: #ffd700;
            --text-light: #f5f5f5;
            --text-gray: #b0b0b0;
            --border-color: #2d3748;
            --transition-speed: 0.3s;
            --shadow-light: 0 4px 12px rgba(0, 0, 0, 0.1);
            --shadow-heavy: 0 10px 30px rgba(0, 0, 0, 0.3);
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
            font-size: 16px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-light);
            background-color: var(--primary-dark);
            background-image: linear-gradient(to bottom, var(--primary-dark), var(--secondary-dark));
            min-height: 100vh;
            overflow-x: hidden;
        }
        a {
            color: var(--accent-gold);
            text-decoration: none;
            transition: color var(--transition-speed);
        }
        a:hover {
            color: var(--accent-red);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(22, 33, 62, 0.95);
            backdrop-filter: blur(10px);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow-heavy);
            border-bottom: 2px solid var(--accent-red);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .my-logo {
            font-family: 'Impact', 'Arial Black', sans-serif;
            font-size: 2.2rem;
            font-weight: bold;
            color: var(--accent-gold);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 2px 2px 4px rgba(0, 0, 0, 0.5);
            transition: all var(--transition-speed);
        }
        .my-logo:hover {
            color: var(--accent-red);
            text-shadow: 0 0 10px rgba(233, 69, 96, 0.7);
        }
        .my-logo span {
            color: var(--accent-red);
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            font-weight: 600;
            font-size: 1.05rem;
            padding: 8px 15px;
            border-radius: 4px;
            position: relative;
        }
        .nav-desktop a:after {
            content: '';
            position: absolute;
            width: 0;
            height: 3px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-red);
            transition: width var(--transition-speed);
        }
        .nav-desktop a:hover:after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
        }
        .hamburger span {
            width: 30px;
            height: 3px;
            background-color: var(--accent-gold);
            border-radius: 2px;
            transition: var(--transition-speed);
        }
        .mobile-nav {
            display: none;
            flex-direction: column;
            background-color: var(--secondary-dark);
            padding: 20px;
            border-radius: 8px;
            margin-top: 15px;
            box-shadow: var(--shadow-heavy);
        }
        .mobile-nav.active {
            display: flex;
        }
        .mobile-nav a {
            padding: 15px;
            border-bottom: 1px solid var(--border-color);
            font-weight: 600;
        }
        .mobile-nav a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-gray);
            border-bottom: 1px solid var(--border-color);
            margin-bottom: 30px;
        }
        .breadcrumb a {
            color: var(--text-gray);
        }
        .breadcrumb a:hover {
            color: var(--accent-gold);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 30px 0 60px;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        @media (max-width: 992px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: rgba(26, 26, 46, 0.8);
            border-radius: 12px;
            padding: 40px;
            box-shadow: var(--shadow-heavy);
            border: 1px solid var(--border-color);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--accent-gold);
            margin-bottom: 25px;
            line-height: 1.2;
            text-align: center;
            border-bottom: 3px solid var(--accent-red);
            padding-bottom: 20px;
        }
        h2 {
            font-size: 2rem;
            color: var(--accent-gold);
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--border-color);
        }
        h3 {
            font-size: 1.5rem;
            color: var(--text-light);
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.2rem;
            color: var(--text-gray);
            margin: 20px 0 10px;
            font-style: italic;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            hyphens: auto;
        }
        .lead {
            font-size: 1.3rem;
            color: var(--accent-gold);
            font-weight: bold;
            text-align: center;
            margin: 30px 0;
            padding: 20px;
            border-left: 5px solid var(--accent-red);
            background-color: rgba(233, 69, 96, 0.1);
        }
        .highlight {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 20px;
            border-radius: 8px;
            margin: 25px 0;
            border-left: 5px solid var(--accent-gold);
        }
        .author-img {
            width: 100%;
            max-width: 600px;
            height: auto;
            border-radius: 10px;
            margin: 30px auto;
            display: block;
            box-shadow: var(--shadow-heavy);
            border: 3px solid var(--accent-gold);
        }
        .quote {
            font-style: italic;
            font-size: 1.2rem;
            color: var(--text-gray);
            padding: 25px;
            margin: 30px 0;
            background-color: rgba(45, 55, 72, 0.5);
            border-radius: 8px;
            border-left: 5px solid var(--accent-red);
        }
        .quote-author {
            text-align: right;
            font-weight: bold;
            margin-top: 10px;
            color: var(--accent-gold);
        }
        .stats-box {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .stat-item {
            background-color: var(--secondary-dark);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            border: 1px solid var(--border-color);
            transition: transform var(--transition-speed);
        }
        .stat-item:hover {
            transform: translateY(-5px);
            border-color: var(--accent-gold);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: bold;
            color: var(--accent-red);
            display: block;
            margin-bottom: 10px;
        }
        .stat-label {
            font-size: 1rem;
            color: var(--text-gray);
        }
        .content-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
        }
        .content-link {
            background-color: var(--secondary-dark);
            padding: 12px 20px;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-speed);
        }
        .content-link:hover {
            background-color: var(--accent-red);
            border-color: var(--accent-red);
            transform: scale(1.05);
        }
        .content-link:hover a {
            color: white;
        }
        aside {
            background-color: rgba(26, 26, 46, 0.8);
            border-radius: 12px;
            padding: 25px;
            box-shadow: var(--shadow-heavy);
            border: 1px solid var(--border-color);
            height: fit-content;
            position: sticky;
            top: 120px;
        }
        .sidebar-widget {
            margin-bottom: 35px;
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-bottom: 20px;
            color: var(--accent-gold);
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border-color);
        }
        .search-box {
            display: flex;
            margin-bottom: 25px;
        }
        .search-box input {
            flex-grow: 1;
            padding: 12px 15px;
            background-color: rgba(45, 55, 72, 0.7);
            border: 1px solid var(--border-color);
            border-right: none;
            border-radius: 6px 0 0 6px;
            color: var(--text-light);
        }
        .search-box button {
            background-color: var(--accent-red);
            color: white;
            border: none;
            padding: 0 20px;
            border-radius: 0 6px 6px 0;
            cursor: pointer;
            transition: background-color var(--transition-speed);
        }
        .search-box button:hover {
            background-color: #c53030;
        }
        .rating-widget {
            text-align: center;
        }
        .stars {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 20px 0;
        }
        .star {
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
            transition: color var(--transition-speed);
        }
        .star.active,
        .star:hover {
            color: var(--accent-gold);
        }
        .rating-form button {
            background-color: var(--accent-red);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            transition: background-color var(--transition-speed);
        }
        .rating-form button:hover {
            background-color: #c53030;
        }
        .comment-form textarea {
            width: 100%;
            padding: 15px;
            background-color: rgba(45, 55, 72, 0.7);
            border: 1px solid var(--border-color);
            border-radius: 6px;
            color: var(--text-light);
            margin-bottom: 15px;
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--accent-red);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            width: 100%;
            transition: background-color var(--transition-speed);
        }
        .comment-form button:hover {
            background-color: #c53030;
        }
        .update-info {
            background-color: rgba(45, 55, 72, 0.5);
            padding: 15px;
            border-radius: 8px;
            margin-top: 25px;
            font-size: 0.9rem;
            color: var(--text-gray);
            text-align: center;
        }
        footer {
            background-color: var(--secondary-dark);
            padding: 50px 0 30px;
            border-top: 3px solid var(--accent-red);
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h3 {
            color: var(--accent-gold);
            margin-bottom: 25px;
            font-size: 1.4rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            background-color: rgba(26, 26, 46, 0.8);
            padding: 15px;
            border-radius: 6px;
            margin-bottom: 15px;
            border: 1px solid var(--border-color);
            transition: all var(--transition-speed);
        }
        friend-link:hover {
            border-color: var(--accent-gold);
            transform: translateX(5px);
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid var(--border-color);
            color: var(--text-gray);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            html {
                font-size: 14px;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: flex;
            }
            .header-content {
                flex-wrap: wrap;
            }
            .content-grid {
                gap: 30px;
            }
            article, aside {
                padding: 25px;
            }
            .stats-box {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .header-content {
                flex-direction: column;
                gap: 15px;
                text-align: center;
            }
            .mobile-nav {
                width: 100%;
            }
            .breadcrumb {
                font-size: 0.8rem;
            }
        }
        .interactive-section {
            margin: 40px 0;
            padding: 25px;
            background-color: rgba(22, 33, 62, 0.8);
            border-radius: 10px;
            border: 1px solid var(--border-color);
            transition: transform var(--transition-speed), box-shadow var(--transition-speed);
        }
        .interactive-section:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-heavy);
            border-color: var(--accent-gold);
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .key-term {
            background-color: rgba(255, 215, 0, 0.1);
            padding: 3px 8px;
            border-radius: 4px;
            font-weight: bold;
            color: var(--accent-gold);
        }
        .book-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .book-item {
            background-color: var(--secondary-dark);
            padding: 20px;
            border-radius: 8px;
            text-align: center;
            transition: all var(--transition-speed);
            border: 1px solid transparent;
        }
        .book-item:hover {
            border-color: var(--accent-red);
            transform: scale(1.03);
        }
        .book-cover {
            width: 120px;
            height: 180px;
            background-color: #333;
            margin: 0 auto 15px;
            border-radius: 6px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-gray);
            font-style: italic;
        }