* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #333;
            background-color: #f8f9fa;
            padding: 0;
            margin: 0;
        }
        a {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #fff;
            padding: 1rem 2rem;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 2rem;
            font-weight: 800;
            color: #ff6b6b;
            text-transform: uppercase;
            letter-spacing: 2px;
        }
        .logo a:hover {
            color: #ff8e8e;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav ul li a {
            color: #fff;
            font-weight: 500;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        nav ul li a:hover {
            background-color: rgba(255, 107, 107, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fff;
        }
        .breadcrumb {
            background-color: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        main {
            background-color: #fff;
            padding: 2rem;
            border-radius: 12px;
            box-shadow: 0 6px 15px rgba(0, 0, 0, 0.08);
        }
        .search-box {
            background-color: #f1f8ff;
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            text-align: center;
        }
        .search-box form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-box input[type="search"] {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 2px solid #007bff;
            border-radius: 5px 0 0 5px;
            font-size: 1rem;
        }
        .search-box button {
            background-color: #007bff;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 0 5px 5px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-box button:hover {
            background-color: #0056b3;
        }
        article {
            font-size: 1.05rem;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a2e;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 4px solid #ff6b6b;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2rem;
            color: #16213e;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #007bff;
        }
        h3 {
            font-size: 1.6rem;
            color: #343a40;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.3rem;
            color: #495057;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            line-height: 1.8;
        }
        strong {
            color: #1a1a2e;
            font-weight: 700;
        }
        em {
            color: #6c757d;
        }
        .highlight {
            background-color: #fffacd;
            padding: 0.2rem 0.5rem;
            border-radius: 3px;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .article-image {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 1.5rem auto;
            display: block;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.1);
            transition: transform 0.3s ease;
        }
        .article-image:hover {
            transform: scale(1.02);
        }
        .content-links {
            display: inline;
            color: #007bff;
            font-weight: 500;
        }
        .content-links:hover {
            text-decoration: underline;
            background-color: rgba(0, 123, 255, 0.1);
            border-radius: 3px;
        }
        .user-interaction {
            margin-top: 3rem;
            padding: 2rem;
            background-color: #f8f9fa;
            border-radius: 10px;
            border: 1px solid #dee2e6;
        }
        .interaction-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .comment-section, .rating-section {
            background-color: white;
            padding: 1.5rem;
            border-radius: 8px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .comment-section h3, .rating-section h3 {
            color: #1a1a2e;
            margin-top: 0;
        }
        .comment-section form, .rating-section form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .comment-section textarea, .rating-section select, .comment-section input, .rating-section input {
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
            width: 100%;
        }
        .comment-section button, .rating-section button {
            background-color: #28a745;
            color: white;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            align-self: flex-start;
            transition: background 0.3s;
        }
        .comment-section button:hover, .rating-section button:hover {
            background-color: #218838;
        }
        footer {
            background-color: #1a1a2e;
            color: #fff;
            padding: 2rem;
            margin-top: 3rem;
        }
        .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: #ff6b6b;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 0.5rem;
        }
        .footer-links a {
            color: #adb5bd;
        }
        .footer-links a:hover {
            color: #ff6b6b;
        }
        friend-link {
            display: block;
            margin: 0.5rem 0;
            font-style: italic;
            color: #6c757d;
        }
        friend-link a {
            color: #007bff;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px solid #343a40;
            color: #adb5bd;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
                margin-top: 1rem;
                gap: 0.5rem;
            }
            nav ul.active {
                display: flex;
            }
            nav ul li a {
                display: block;
                padding: 0.8rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .container {
                padding: 0 1rem;
            }
            main {
                padding: 1.5rem;
            }
            .search-box form {
                flex-direction: column;
            }
            .search-box input[type="search"] {
                border-radius: 5px;
                margin-bottom: 0.5rem;
            }
            .search-box button {
                border-radius: 5px;
                width: 100%;
            }
            .interaction-container {
                grid-template-columns: 1fr;
            }
        }
        .last-updated {
            font-size: 0.9rem;
            color: #6c757d;
            text-align: right;
            margin-bottom: 1rem;
            font-style: italic;
        }
        .quote {
            border-left: 4px solid #ff6b6b;
            padding-left: 1.5rem;
            margin: 1.5rem 0;
            color: #495057;
            font-style: italic;
        }
        .tip {
            background-color: #e7f5ff;
            border-left: 5px solid #007bff;
            padding: 1rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }