* {
            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 {
            text-decoration: none;
            color: inherit;
        }
        ul {
            list-style: none;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background: linear-gradient(135deg, #1a1a1a 0%, #333 100%);
            color: #fff;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1400px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: #d4af37;
            text-transform: uppercase;
            letter-spacing: 2px;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            padding: 0.5rem 1rem;
            border-radius: 4px;
            transition: background 0.3s ease, color 0.3s ease;
        }
        .nav-desktop a:hover {
            background: #d4af37;
            color: #1a1a1a;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            background: none;
            border: none;
            color: #fff;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background: #1a1a1a;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            padding: 1rem;
            box-shadow: 0 4px 12px rgba(0,0,0,0.2);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            padding: 1rem;
            border-bottom: 1px solid #444;
            transition: background 0.3s ease;
        }
        .nav-mobile a:hover {
            background: #333;
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 0.8rem 2rem;
            font-size: 0.9rem;
            max-width: 1400px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #555;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .main-container {
            max-width: 1400px;
            margin: 2rem auto;
            padding: 0 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        .content {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
        }
        .sidebar {
            background: #fff;
            padding: 1.5rem;
            border-radius: 10px;
            box-shadow: 0 6px 15px rgba(0,0,0,0.08);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .search-form {
            margin-bottom: 2rem;
        }
        .search-form input {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .search-form input:focus {
            outline: none;
            border-color: #d4af37;
        }
        .search-form button {
            width: 100%;
            padding: 0.8rem;
            margin-top: 0.5rem;
            background: #d4af37;
            color: #1a1a1a;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .search-form button:hover {
            background: #c19b2e;
        }
        h1 {
            font-size: 3rem;
            color: #1a1a1a;
            margin-bottom: 1.5rem;
            line-height: 1.2;
            border-bottom: 3px solid #d4af37;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #333;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 4px solid #d4af37;
        }
        h3 {
            font-size: 1.8rem;
            color: #555;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #777;
            margin: 1.2rem 0 0.6rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .emphasis {
            font-weight: bold;
            color: #d4af37;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 2rem auto;
            text-align: center;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0,0,0,0.1);
        }
        .image-container img {
            width: 100%;
            max-width: 800px;
            height: auto;
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .caption {
            font-style: italic;
            color: #666;
            margin-top: 0.5rem;
            font-size: 0.9rem;
        }
        .interactive-section {
            margin-top: 3rem;
            padding: 2rem;
            background: #f9f9f9;
            border-radius: 10px;
            border: 1px solid #eee;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: bold;
            color: #333;
        }
        .form-group input, .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 6px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus, .form-group textarea:focus {
            outline: none;
            border-color: #d4af37;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating {
            display: flex;
            gap: 0.5rem;
            align-items: center;
        }
        .rating input {
            display: none;
        }
        .rating label {
            font-size: 1.5rem;
            color: #ccc;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating label:hover,
        .rating input:checked ~ label {
            color: #ffd700;
        }
        .submit-btn {
            padding: 1rem 2rem;
            background: #1a1a1a;
            color: #fff;
            border: none;
            border-radius: 6px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s ease;
        }
        .submit-btn:hover {
            background: #d4af37;
            color: #1a1a1a;
        }
        .footer {
            background: #1a1a1a;
            color: #fff;
            padding: 3rem 2rem 1.5rem;
            margin-top: 3rem;
        }
        .footer-container {
            max-width: 1400px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        .footer-links h3 {
            color: #d4af37;
            margin-bottom: 1rem;
            font-size: 1.5rem;
        }
        friend-link {
            display: block;
            padding: 0.5rem 0;
            color: #ccc;
            transition: color 0.3s ease;
        }
        friend-link:hover {
            color: #d4af37;
        }
        .copyright {
            text-align: center;
            margin-top: 2rem;
            padding-top: 1.5rem;
            border-top: 1px solid #444;
            color: #999;
            font-size: 0.9rem;
        }
        @media (max-width: 1024px) {
            .main-container {
                grid-template-columns: 1fr;
            }
            .sidebar {
                position: static;
            }
        }
        @media (max-width: 768px) {
            .header-container {
                flex-wrap: wrap;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .main-container {
                padding: 0 1rem;
            }
            .content, .sidebar {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            .header {
                padding: 1rem;
            }
            .my-logo {
                font-size: 2rem;
            }
            h1 {
                font-size: 2rem;
            }
            .breadcrumb {
                padding: 0.8rem 1rem;
            }
        }