* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary: #c53030;
            --secondary: #1a202c;
            --accent: #f6ad55;
            --light: #f7fafc;
            --dark: #2d3748;
            --gray: #718096;
            --shadow: 0 4px 6px -1px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
            --border-radius: 8px;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: var(--dark);
            background-color: #fff;
            overflow-x: hidden;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, var(--secondary) 0%, #4a5568 100%);
            color: white;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 15px 0;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            text-decoration: none;
            color: white;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            color: var(--primary);
            font-size: 2.5rem;
        }
        .logo span {
            background: linear-gradient(to right, #fbb6ce, var(--accent));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .mobile-menu-btn {
            display: none;
            background: none;
            border: none;
            color: white;
            font-size: 1.8rem;
            cursor: pointer;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        nav a {
            color: white;
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: var(--border-radius);
            transition: var(--transition);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav a:hover {
            background-color: rgba(255, 255, 255, 0.15);
            transform: translateY(-2px);
        }
        .breadcrumb {
            background-color: rgba(255, 255, 255, 0.05);
            padding: 12px 0;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #cbd5e0;
            text-decoration: none;
        }
        .breadcrumb a:hover {
            color: white;
            text-decoration: underline;
        }
        .breadcrumb span {
            color: var(--gray);
            margin: 0 8px;
        }
        main {
            padding: 40px 0;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 40px;
        }
        article {
            background: white;
            border-radius: var(--border-radius);
            padding: 30px;
            box-shadow: var(--shadow);
        }
        h1 {
            color: var(--secondary);
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            border-left: 5px solid var(--primary);
            padding-left: 20px;
        }
        h2 {
            color: var(--secondary);
            font-size: 2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        h3 {
            color: var(--dark);
            font-size: 1.5rem;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
        }
        .intro {
            font-size: 1.2rem;
            color: var(--secondary);
            background: linear-gradient(to right, #fed7d7, #feebc8);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            border-left: 4px solid var(--primary);
        }
        .highlight {
            background-color: #fffaf0;
            border-left: 4px solid var(--accent);
            padding: 20px;
            margin: 25px 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .feature-image {
            width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            margin: 30px 0;
            box-shadow: 0 10px 25px rgba(0, 0, 0, 0.1);
            transition: var(--transition);
        }
        .feature-image:hover {
            transform: scale(1.01);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.15);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--gray);
            margin-top: -20px;
            margin-bottom: 30px;
        }
        .search-box {
            background: var(--light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            text-align: center;
        }
        .search-box h3 {
            margin-top: 0;
        }
        .search-form {
            display: flex;
            max-width: 500px;
            margin: 20px auto 0;
        }
        .search-input {
            flex: 1;
            padding: 15px;
            border: 2px solid #cbd5e0;
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            font-size: 1rem;
        }
        .search-btn {
            background: var(--primary);
            color: white;
            border: none;
            padding: 0 25px;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .search-btn:hover {
            background: #9b2c2c;
        }
        .rating-section {
            background: #f0fff4;
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 40px 0;
            text-align: center;
        }
        .stars {
            font-size: 2.5rem;
            color: #f6e05e;
            margin: 15px 0;
            cursor: pointer;
        }
        .star {
            transition: var(--transition);
        }
        .star:hover {
            transform: scale(1.2);
        }
        .comment-form {
            background: var(--light);
            padding: 25px;
            border-radius: var(--border-radius);
            margin-top: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-control {
            width: 100%;
            padding: 15px;
            border: 1px solid #cbd5e0;
            border-radius: var(--border-radius);
            font-size: 1rem;
        }
        .submit-btn {
            background: var(--secondary);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .submit-btn:hover {
            background: #4a5568;
            transform: translateY(-2px);
        }
        aside {
            position: sticky;
            top: 120px;
            height: fit-content;
        }
        .sidebar-widget {
            background: white;
            padding: 25px;
            border-radius: var(--border-radius);
            margin-bottom: 30px;
            box-shadow: var(--shadow);
        }
        .widget-title {
            color: var(--secondary);
            font-size: 1.3rem;
            margin-bottom: 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e2e8f0;
        }
        .category-list {
            list-style: none;
        }
        .category-list li {
            margin-bottom: 12px;
        }
        .category-list a {
            color: var(--dark);
            text-decoration: none;
            display: flex;
            justify-content: space-between;
            padding: 10px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .category-list a:hover {
            background-color: #f7fafc;
            padding-left: 15px;
        }
        .download-box {
            background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
            color: white;
            text-align: center;
            padding: 30px;
            border-radius: var(--border-radius);
        }
        .download-btn {
            display: inline-block;
            background: white;
            color: #667eea;
            padding: 15px 30px;
            border-radius: 50px;
            text-decoration: none;
            font-weight: 700;
            margin-top: 15px;
            transition: var(--transition);
        }
        .download-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
        }
        .web-links {
            background: var(--secondary);
            padding: 40px 0;
            margin-top: 60px;
        }
        .web-links .container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
        }
        .web-link {
            background: rgba(255, 255, 255, 0.05);
            padding: 20px;
            border-radius: var(--border-radius);
            transition: var(--transition);
        }
        .web-link:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
        }
        .web-link a {
            color: #cbd5e0;
            text-decoration: none;
            font-size: 1.1rem;
            display: block;
        }
        .web-link a:hover {
            color: white;
        }
        footer {
            background: #1a202c;
            color: #a0aec0;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-logo {
            font-size: 2rem;
            font-weight: 800;
            color: white;
            margin-bottom: 15px;
        }
        .social-links {
            display: flex;
            gap: 15px;
            margin-top: 20px;
            justify-content: center;
        }
        .social-links a {
            color: #a0aec0;
            font-size: 1.5rem;
            transition: var(--transition);
        }
        .social-links a:hover {
            color: white;
            transform: translateY(-3px);
        }
        .copyright {
            padding-top: 20px;
            border-top: 1px solid #2d3748;
            font-size: 0.9rem;
        }
        @media (max-width: 992px) {
            main {
                grid-template-columns: 1fr;
            }
            aside {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                gap: 20px;
            }
            .mobile-menu-btn {
                display: block;
                position: absolute;
                right: 20px;
                top: 20px;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: var(--secondary);
                padding: 20px 0;
            }
            nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            .intro {
                font-size: 1.1rem;
                padding: 20px;
            }
            .footer-content {
                flex-direction: column;
                text-align: center;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        article, .sidebar-widget {
            animation: fadeIn 0.6s ease-out;
        }
        .text-bold {
            font-weight: 700;
            color: var(--secondary);
        }
        .text-primary {
            color: var(--primary);
        }
        .text-accent {
            color: var(--accent);
        }
        .mb-4 { margin-bottom: 2rem; }
        .mt-4 { margin-top: 2rem; }
        .py-3 { padding-top: 1rem; padding-bottom: 1rem; }