* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-blue: #2c3e50;
            --secondary-blue: #3498db;
            --accent-yellow: #f1c40f;
            --light-gray: #ecf0f1;
            --medium-gray: #bdc3c7;
            --dark-gray: #7f8c8d;
            --text-color: #2c3e50;
            --text-light: #ffffff;
            --success-green: #27ae60;
            --warning-orange: #e67e22;
            --shadow: 0 4px 6px rgba(0, 0, 0, 0.1);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-color);
            background-color: #f9f9f9;
            max-width: 100%;
            overflow-x: hidden;
        }
        .site-header {
            background-color: var(--primary-blue);
            color: var(--text-light);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2rem;
            font-weight: 800;
            color: var(--accent-yellow);
            text-decoration: none;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .my-logo:hover {
            color: var(--text-light);
            transform: scale(1.05);
            transition: var(--transition);
        }
        .my-logo i {
            font-size: 2.2rem;
        }
        .breadcrumb {
            background-color: var(--light-gray);
            padding: 12px 20px;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: var(--secondary-blue);
            text-decoration: none;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: var(--text-light);
            text-decoration: none;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 4px;
            transition: var(--transition);
        }
        .main-nav a:hover {
            background-color: var(--secondary-blue);
            color: var(--text-light);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-light);
            cursor: pointer;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 70px;
                left: 0;
                width: 100%;
                background-color: var(--primary-blue);
                padding: 20px;
                transform: translateY(-100%);
                opacity: 0;
                transition: var(--transition);
                z-index: 999;
            }
            .main-nav.active {
                transform: translateY(0);
                opacity: 1;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 0;
            }
            .main-nav li {
                width: 100%;
                border-bottom: 1px solid rgba(255,255,255,0.1);
            }
            .main-nav a {
                display: block;
                padding: 15px;
                width: 100%;
            }
        }
        .search-container {
            max-width: 800px;
            margin: 2rem auto;
            padding: 0 20px;
        }
        .search-form {
            display: flex;
            box-shadow: var(--shadow);
            border-radius: 8px;
            overflow: hidden;
        }
        .search-input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            font-size: 1rem;
            outline: none;
        }
        .search-button {
            background-color: var(--secondary-blue);
            color: white;
            border: none;
            padding: 0 25px;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #2980b9;
        }
        .main-content {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem 20px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 3rem;
        }
        .article-content {
            background-color: white;
            padding: 2.5rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
        }
        h1 {
            font-size: 2.8rem;
            color: var(--primary-blue);
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid var(--accent-yellow);
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2rem;
            color: var(--secondary-blue);
            margin: 2.5rem 0 1rem;
            padding-top: 10px;
        }
        h3 {
            font-size: 1.6rem;
            color: var(--primary-blue);
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.3rem;
            color: var(--dark-gray);
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .lead-paragraph {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--primary-blue);
            background-color: var(--light-gray);
            padding: 1.5rem;
            border-left: 5px solid var(--accent-yellow);
            border-radius: 0 8px 8px 0;
            margin: 2rem 0;
        }
        .highlight-box {
            background-color: #e8f4fc;
            border: 2px solid var(--secondary-blue);
            border-radius: 10px;
            padding: 1.8rem;
            margin: 2rem 0;
        }
        .strategy-tip {
            background-color: #fff8e1;
            border-left: 4px solid var(--accent-yellow);
            padding: 1.2rem 1.5rem;
            margin: 1.5rem 0;
        }
        .strategy-tip i {
            color: var(--accent-yellow);
            margin-right: 10px;
        }
        .content-link {
            color: var(--secondary-blue);
            text-decoration: none;
            font-weight: 600;
            border-bottom: 2px dotted var(--secondary-blue);
            transition: var(--transition);
        }
        .content-link:hover {
            color: #e74c3c;
            border-bottom: 2px solid #e74c3c;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 8px;
            margin: 2rem auto;
            display: block;
            box-shadow: var(--shadow);
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: var(--dark-gray);
            margin-top: 0.5rem;
            font-size: 0.95rem;
        }
        .rating-container {
            background-color: var(--light-gray);
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
            text-align: center;
        }
        .rating-stars {
            font-size: 2.5rem;
            color: var(--medium-gray);
            margin: 1rem 0;
            cursor: pointer;
        }
        .rating-stars .star {
            transition: var(--transition);
        }
        .rating-stars .star:hover,
        .rating-stars .star.active {
            color: var(--accent-yellow);
            transform: scale(1.2);
        }
        .rating-form {
            margin-top: 1.5rem;
        }
        .rating-button {
            background-color: var(--secondary-blue);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            transition: var(--transition);
        }
        .rating-button:hover {
            background-color: #2980b9;
            transform: translateY(-2px);
        }
        .comments-container {
            background-color: white;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: var(--shadow);
            margin-top: 3rem;
        }
        .comment-form {
            display: grid;
            gap: 1rem;
            margin-bottom: 3rem;
        }
        .comment-input, .comment-textarea {
            padding: 15px;
            border: 1px solid var(--medium-gray);
            border-radius: 5px;
            font-size: 1rem;
            font-family: inherit;
        }
        .comment-textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-submit {
            background-color: var(--success-green);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 5px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: var(--transition);
            justify-self: start;
        }
        .comment-submit:hover {
            background-color: #219653;
            transform: translateY(-2px);
        }
        .comment {
            border-bottom: 1px solid var(--light-gray);
            padding: 1.5rem 0;
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--dark-gray);
        }
        .related-links {
            background-color: var(--light-gray);
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .related-links h3 {
            margin-top: 0;
        }
        .related-links ul {
            list-style-type: none;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1rem;
        }
        .related-links a {
            color: var(--secondary-blue);
            text-decoration: none;
            display: block;
            padding: 10px 15px;
            background-color: white;
            border-radius: 5px;
            transition: var(--transition);
        }
        .related-links a:hover {
            background-color: var(--secondary-blue);
            color: white;
            transform: translateX(5px);
        }
        .site-footer {
            background-color: var(--primary-blue);
            color: var(--text-light);
            padding: 3rem 20px 1.5rem;
            margin-top: 4rem;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-section h3 {
            color: var(--accent-yellow);
            margin-bottom: 1.5rem;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links a {
            color: var(--text-light);
            text-decoration: none;
            line-height: 2.2;
            transition: var(--transition);
        }
        .footer-links a:hover {
            color: var(--accent-yellow);
            padding-left: 5px;
        }
        friend-link {
            display: block;
            background-color: rgba(255,255,255,0.1);
            padding: 1rem;
            border-radius: 5px;
            margin: 1rem 0;
        }
        friend-link a {
            color: var(--accent-yellow);
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255,255,255,0.1);
            font-size: 0.9rem;
            color: var(--medium-gray);
        }
        .last-updated {
            background-color: var(--accent-yellow);
            color: var(--primary-blue);
            padding: 10px 20px;
            border-radius: 5px;
            display: inline-block;
            font-weight: 600;
            margin: 1.5rem 0;
        }
        .text-bold {
            font-weight: 800;
        }
        .text-italic {
            font-style: italic;
        }
        .text-center {
            text-align: center;
        }
        .emoji {
            font-size: 1.2em;
            margin: 0 5px;
        }
        @media (max-width: 768px) {
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .article-content {
                padding: 1.5rem;
            }
            .rating-stars {
                font-size: 2rem;
            }
            .related-links ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            h1 {
                font-size: 1.8rem;
            }
            .my-logo {
                font-size: 1.5rem;
            }
            .lead-paragraph {
                font-size: 1.1rem;
                padding: 1rem;
            }
        }
        @media print {
            .site-header, .search-container, .rating-container, 
            .comments-container, .site-footer, .hamburger {
                display: none;
            }
            body {
                background-color: white;
                color: black;
            }
            .article-content {
                box-shadow: none;
                padding: 0;
            }
        }