* {
            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: #f5f5f5;
            overflow-x: hidden;
        }
        a {
            color: #007bff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 15px;
        }
        header {
            background-color: #1a1a1a;
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 2px 10px rgba(0,0,0,0.1);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: bold;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ff9900;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.5rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-links {
            display: flex;
            gap: 1.5rem;
            list-style: none;
        }
        .nav-links a {
            color: #ddd;
            font-weight: 500;
            padding: 0.5rem;
        }
        .nav-links a:hover {
            color: #ff9900;
        }
        .breadcrumb {
            padding: 0.8rem 0;
            background-color: #2c2c2c;
            color: #ccc;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #ff9900;
        }
        main {
            padding: 2rem 0;
            background-color: #fff;
            min-height: 80vh;
        }
        .article-header {
            margin-bottom: 2rem;
            border-bottom: 2px solid #eee;
            padding-bottom: 1rem;
        }
        h1 {
            font-size: 2.5rem;
            color: #222;
            margin-bottom: 0.5rem;
        }
        .meta {
            color: #666;
            font-size: 0.9rem;
            margin-bottom: 1rem;
        }
        .content {
            max-width: 900px;
            margin: 0 auto;
        }
        h2, h3, h4 {
            color: #1a1a1a;
            margin-top: 1.5rem;
            margin-bottom: 0.8rem;
        }
        h2 {
            font-size: 1.8rem;
            border-left: 4px solid #007bff;
            padding-left: 10px;
        }
        h3 {
            font-size: 1.5rem;
            color: #333;
        }
        h4 {
            font-size: 1.2rem;
            color: #555;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        strong {
            color: #000;
            font-weight: 700;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1rem;
            border-left: 4px solid #ff9900;
            margin: 1.5rem 0;
        }
        .image-container {
            margin: 2rem 0;
            text-align: center;
        }
        .image-container img {
            border-radius: 8px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.1);
        }
        .form-section {
            background-color: #f9f9f9;
            padding: 2rem;
            border-radius: 8px;
            margin: 2rem 0;
            border: 1px solid #ddd;
        }
        .form-group {
            margin-bottom: 1rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.75rem;
            border: 1px solid #ccc;
            border-radius: 4px;
            font-size: 1rem;
        }
        button {
            background-color: #007bff;
            color: #fff;
            border: none;
            padding: 0.75rem 1.5rem;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #0056b3;
        }
        footer {
            background-color: #1a1a1a;
            color: #ccc;
            padding: 2rem 0;
            margin-top: 2rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .friend-links {
            background-color: #2c2c2c;
            padding: 1rem;
            border-radius: 6px;
        }
        .friend-links h3 {
            color: #ff9900;
            margin-bottom: 1rem;
        }
        .friend-links ul {
            list-style: none;
        }
        .friend-links li {
            margin-bottom: 0.5rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            margin-top: 1.5rem;
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a1a1a;
                display: none;
                padding: 1rem;
                z-index: 1000;
            }
            .nav-links.active {
                display: flex;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .content {
                padding: 0 1rem;
            }
        }