* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: #e0e0e0;
            background-color: #121212;
            background-image: linear-gradient(to bottom, #1a1a1a, #0d0d0d);
            padding-top: 80px; 
        }
        a {
            color: #4da6ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #80c1ff;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .header {
            background-color: #1a1a1a;
            border-bottom: 2px solid #333;
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            padding: 10px 20px;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .logo a {
            font-size: 1.8rem;
            font-weight: bold;
            color: #ff6b35;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .logo a:hover {
            color: #ff8c5a;
            text-decoration: none;
        }
        .nav-desktop {
            display: flex;
            gap: 20px;
        }
        .nav-desktop a {
            padding: 8px 15px;
            border-radius: 4px;
            background-color: #262626;
        }
        .nav-desktop a:hover {
            background-color: #333;
        }
        .hamburger {
            display: none;
            font-size: 1.5rem;
            cursor: pointer;
            color: #ff6b35;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            gap: 10px;
            background-color: #1a1a1a;
            padding: 15px;
            border-top: 1px solid #333;
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            background-color: #262626;
            padding: 10px 20px;
            font-size: 0.9rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 20px;
            display: grid;
            grid-template-columns: 1fr;
            gap: 30px;
        }
        @media (min-width: 768px) {
            .container {
                grid-template-columns: 3fr 1fr;
            }
        }
        .main-content {
            background-color: #1e1e1e;
            border-radius: 8px;
            padding: 30px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }
        .sidebar {
            background-color: #1e1e1e;
            border-radius: 8px;
            padding: 20px;
            box-shadow: 0 4px 12px rgba(0,0,0,0.5);
        }
        h1 {
            color: #ff6b35;
            font-size: 2.5rem;
            margin-bottom: 20px;
            border-bottom: 2px solid #333;
            padding-bottom: 10px;
        }
        h2 {
            color: #4da6ff;
            font-size: 2rem;
            margin-top: 30px;
            margin-bottom: 15px;
        }
        h3 {
            color: #80c1ff;
            font-size: 1.5rem;
            margin-top: 25px;
            margin-bottom: 10px;
        }
        h4 {
            color: #b3d9ff;
            font-size: 1.2rem;
            margin-top: 20px;
            margin-bottom: 10px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
        }
        .highlight {
            background-color: #262626;
            border-left: 4px solid #ff6b35;
            padding: 15px;
            margin: 20px 0;
            border-radius: 0 4px 4px 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 5px;
            color: #aaa;
        }
        input, textarea, select {
            width: 100%;
            padding: 10px;
            border: 1px solid #444;
            border-radius: 4px;
            background-color: #262626;
            color: #e0e0e0;
        }
        button {
            background-color: #ff6b35;
            color: white;
            border: none;
            padding: 12px 20px;
            border-radius: 4px;
            cursor: pointer;
            font-size: 1rem;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #ff8c5a;
        }
        .widget {
            margin-bottom: 30px;
        }
        .widget h3 {
            color: #ff6b35;
            font-size: 1.3rem;
            margin-bottom: 15px;
        }
        .footer {
            background-color: #1a1a1a;
            border-top: 2px solid #333;
            padding: 30px 20px;
            margin-top: 50px;
        }
        .footer-container {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
        }
        .footer-section h4 {
            color: #ff6b35;
            margin-bottom: 15px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
            color: #4da6ff;
        }
        friend-link:hover {
            color: #80c1ff;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
            margin-top: 30px;
        }
        @media (max-width: 767px) {
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.7rem;
            }
            .main-content, .sidebar {
                padding: 20px;
            }
        }
        .text-center {
            text-align: center;
        }
        .mb-20 {
            margin-bottom: 20px;
        }
        .last-updated {
            color: #888;
            font-style: italic;
            font-size: 0.9rem;
            margin-bottom: 30px;
        }