* {
            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: #f9f9f9;
        }
        a {
            text-decoration: none;
            color: #d32f2f;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #9a0007;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: #1a1a1a;
            color: #fff;
            padding: 15px 0;
            box-shadow: 0 4px 6px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2rem;
            font-weight: bold;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #d32f2f;
        }
        .nav-desktop {
            display: flex;
            gap: 25px;
        }
        .nav-desktop a {
            color: #fff;
            font-weight: 500;
            padding: 5px 10px;
            border-radius: 4px;
        }
        .nav-desktop a:hover {
            background-color: #d32f2f;
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #fff;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: #1a1a1a;
            padding: 20px;
            margin-top: 15px;
            border-radius: 8px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: #fff;
            padding: 10px 0;
            border-bottom: 1px solid #444;
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .breadcrumb {
            padding: 10px 0;
            font-size: 0.9rem;
            background-color: #eee;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            color: #d32f2f;
        }
        main {
            padding: 30px 0;
            background-color: #fff;
            border-radius: 8px;
            box-shadow: 0 2px 10px rgba(0,0,0,0.05);
            margin: 20px 0;
        }
        .article-header {
            text-align: center;
            margin-bottom: 40px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a1a1a;
            margin-bottom: 20px;
            line-height: 1.2;
        }
        h2 {
            font-size: 2rem;
            color: #d32f2f;
            margin: 30px 0 15px;
            border-left: 5px solid #d32f2f;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.6rem;
            color: #333;
            margin: 25px 0 10px;
        }
        h4 {
            font-size: 1.3rem;
            color: #555;
            margin: 20px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 15px;
            border-left: 4px solid #ffc107;
            margin: 20px 0;
            font-style: italic;
        }
        .image-container {
            margin: 30px 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
            transition: transform 0.3s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 10px;
            font-size: 0.9rem;
            color: #777;
        }
        .search-box, .comment-form, .rating-form {
            background-color: #f5f5f5;
            padding: 25px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .search-box h3, .comment-form h3, .rating-form h3 {
            color: #1a1a1a;
            margin-bottom: 15px;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        input, textarea, select {
            padding: 12px;
            border: 1px solid #ccc;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #d32f2f;
            outline: none;
        }
        button {
            padding: 12px 25px;
            background-color: #d32f2f;
            color: #fff;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #9a0007;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        footer {
            background-color: #1a1a1a;
            color: #fff;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h4 {
            color: #fff;
            margin-bottom: 15px;
            border-left: 3px solid #d32f2f;
            padding-left: 10px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
        }
        friend-link a {
            color: #ccc;
        }
        friend-link a:hover {
            color: #d32f2f;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #444;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.4rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .mt-30 {
            margin-top: 30px;
        }