* {
            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: #0a0a0a;
            overflow-x: hidden;
        }
        a {
            color: #00bfff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ff8c00;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .site-header {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            padding: 1rem 2rem;
            border-bottom: 3px solid #00bfff;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            max-width: 1200px;
            margin: 0 auto;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #00bfff;
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(0, 191, 255, 0.7);
            font-family: 'Arial Black', sans-serif;
        }
        .my-logo:hover {
            color: #ff8c00;
            text-shadow: 0 0 15px rgba(255, 140, 0, 0.8);
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            background-color: rgba(0, 0, 0, 0.3);
        }
        .main-nav a:hover {
            background-color: rgba(0, 191, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: #00bfff;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 2rem;
            background-color: #121212;
            font-size: 0.9rem;
            max-width: 1200px;
            margin: 0 auto;
        }
        .breadcrumb a {
            color: #aaa;
        }
        .breadcrumb a:hover {
            color: #00bfff;
        }
        .content-wrapper {
            max-width: 1200px;
            margin: 0 auto;
            padding: 2rem;
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2rem;
        }
        @media (max-width: 768px) {
            .content-wrapper {
                grid-template-columns: 1fr;
            }
        }
        article {
            background-color: #1a1a1a;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 2.8rem;
            color: #00bfff;
            margin-bottom: 1.5rem;
            text-align: center;
            border-bottom: 2px solid #ff8c00;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2rem;
            color: #ff8c00;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #00bfff;
        }
        h3 {
            font-size: 1.5rem;
            color: #00bfff;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.2rem;
            color: #ff8c00;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.05rem;
        }
        .highlight {
            background-color: #2a2a2a;
            padding: 1.5rem;
            border-left: 4px solid #ff8c00;
            margin: 1.5rem 0;
            border-radius: 5px;
        }
        .image-container {
            text-align: center;
            margin: 2rem 0;
        }
        .image-container img {
            max-width: 800px;
            border: 3px solid #00bfff;
            box-shadow: 0 0 20px rgba(0, 191, 255, 0.5);
        }
        .sidebar {
            background-color: #1a1a1a;
            padding: 1.5rem;
            border-radius: 10px;
            height: fit-content;
            box-shadow: 0 5px 10px rgba(0, 0, 0, 0.3);
        }
        .sidebar h3 {
            color: #ff8c00;
            margin-bottom: 1rem;
        }
        .form-section {
            background-color: #2a2a2a;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .form-section h3 {
            color: #00bfff;
        }
        form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
        }
        input, textarea, select, button {
            padding: 0.8rem;
            border-radius: 5px;
            border: 1px solid #444;
            background-color: #333;
            color: #fff;
            font-size: 1rem;
        }
        button {
            background-color: #00bfff;
            color: #000;
            font-weight: bold;
            cursor: pointer;
            transition: background-color 0.3s ease;
        }
        button:hover {
            background-color: #ff8c00;
        }
        footer {
            background: linear-gradient(135deg, #16213e 0%, #1a1a2e 100%);
            padding: 2rem;
            margin-top: 3rem;
            border-top: 3px solid #ff8c00;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2rem;
        }
        friend-link {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 1rem;
            padding: 1rem;
            background-color: rgba(0, 0, 0, 0.2);
            border-radius: 10px;
            width: 100%;
        }
        friend-link a {
            padding: 0.5rem 1rem;
            background-color: #2a2a2a;
            border-radius: 5px;
        }
        .copyright {
            text-align: center;
            color: #aaa;
            font-size: 0.9rem;
            border-top: 1px solid #444;
            padding-top: 1rem;
            width: 100%;
        }
        @media (max-width: 768px) {
            .main-nav ul {
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #16213e;
                display: none;
                padding: 1rem;
            }
            .main-nav.active ul {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2rem;
            }
            h2 {
                font-size: 1.5rem;
            }
            .content-wrapper {
                padding: 1rem;
            }
        }
        .btn {
            display: inline-block;
            padding: 0.8rem 1.5rem;
            background-color: #00bfff;
            color: #000;
            border-radius: 5px;
            font-weight: bold;
            text-align: center;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background-color: #ff8c00;
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(255, 140, 0, 0.4);
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 0.3rem;
        }
        .hidden {
            display: none;
        }