* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #00b4d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #90e0ef;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a1f38, #0d1220);
            padding: 20px 0;
            border-bottom: 3px solid #00b4d8;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #ffd700;
            text-transform: uppercase;
            letter-spacing: 1.5px;
            background: linear-gradient(90deg, #ffd700, #ffaa00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        .logo a:hover {
            opacity: 0.9;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        nav ul li a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 15px;
            border-radius: 5px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a:hover {
            background-color: rgba(0, 180, 216, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00b4d8;
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.95rem;
            color: #aaa;
            margin-top: 10px;
        }
        .breadcrumb a {
            color: #ccc;
        }
        .breadcrumb a:hover {
            color: #90e0ef;
        }
        main {
            padding: 30px 0;
            min-height: 100vh;
        }
        .article-content {
            background: rgba(20, 25, 40, 0.9);
            padding: 40px;
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5);
            margin-bottom: 40px;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffd700;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 2px 2px 5px rgba(0, 0, 0, 0.7);
        }
        h2 {
            font-size: 2.5rem;
            color: #00b4d8;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #00b4d8;
        }
        h3 {
            font-size: 2rem;
            color: #90e0ef;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.6rem;
            color: #caf0f8;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(0, 180, 216, 0.15);
            padding: 15px;
            border-left: 5px solid #00b4d8;
            margin: 25px 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.3rem;
            margin-right: 8px;
        }
        .img-container {
            text-align: center;
            margin: 30px 0;
        }
        .img-container img {
            border: 3px solid #00b4d8;
            box-shadow: 0 5px 15px rgba(0, 180, 216, 0.3);
        }
        .form-section {
            background: rgba(30, 35, 50, 0.8);
            padding: 30px;
            border-radius: 10px;
            margin: 40px 0;
        }
        .form-group {
            margin-bottom: 20px;
        }
        label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #90e0ef;
        }
        input, textarea, select {
            width: 100%;
            padding: 12px;
            border: 2px solid #444;
            border-radius: 5px;
            background-color: #1a1f38;
            color: #e0e0e0;
            font-size: 1rem;
            transition: border-color 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            outline: none;
            border-color: #00b4d8;
        }
        button {
            background: linear-gradient(90deg, #00b4d8, #0077b6);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            font-size: 1.1rem;
            font-weight: 600;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 5px 15px rgba(0, 180, 216, 0.4);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
            flex-wrap: wrap;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: color 0.2s;
        }
        .star:hover,
        .star.active {
            color: #ffd700;
        }
        footer {
            background: #0d1220;
            padding: 40px 0 20px;
            border-top: 3px solid #00b4d8;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 30px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #ffd700;
            font-size: 1.5rem;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin-bottom: 10px;
        }
        friend-link a {
            color: #ccc;
            padding: 5px 0;
            display: inline-block;
            border-bottom: 1px dotted #444;
            width: 100%;
        }
        friend-link a:hover {
            color: #90e0ef;
            border-color: #90e0ef;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #333;
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #1a1f38;
                padding: 20px;
                border-radius: 10px;
                margin-top: 20px;
            }
            nav ul.show {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.7rem;
            }
            h4 {
                font-size: 1.4rem;
            }
            .article-content {
                padding: 25px;
            }
            .form-section {
                padding: 20px;
            }
        }