* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background-color: #f8f9fa;
            color: #333;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #6a11cb;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #2575fc;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #6a11cb 0%, #2575fc 100%);
            color: white;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            letter-spacing: 1px;
            background: linear-gradient(to right, #ffd89b, #19547b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: 0 2px 4px rgba(0,0,0,0.2);
        }
        .my-logo a {
            background: none;
            -webkit-text-fill-color: inherit;
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 2rem;
        }
        nav ul li a {
            color: white;
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0.8rem;
            border-radius: 5px;
        }
        nav ul li a:hover {
            background-color: rgba(255,255,255,0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: white;
            cursor: pointer;
        }
        .breadcrumb {
            padding: 1rem 0;
            background-color: #e9ecef;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #6a11cb;
        }
        main {
            padding: 2rem 0;
            background-color: white;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-top: 1rem;
        }
        article {
            padding: 0 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #2d3436;
            margin-bottom: 1.5rem;
            text-align: center;
            background: linear-gradient(90deg, #6a11cb, #2575fc);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            color: #2575fc;
            margin: 2.5rem 0 1rem;
            border-left: 5px solid #6a11cb;
            padding-left: 15px;
        }
        h3 {
            font-size: 1.8rem;
            color: #0984e3;
            margin: 2rem 0 0.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #00b894;
            margin: 1.5rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.5rem;
            text-align: justify;
            font-size: 1.1rem;
        }
        .highlight {
            background-color: #fffacd;
            padding: 1.5rem;
            border-left: 4px solid #ffd32a;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .featured-img {
            width: 80%;
            margin: 2rem auto;
            border-radius: 15px;
            overflow: hidden;
            box-shadow: 0 10px 25px rgba(0,0,0,0.1);
        }
        .featured-img img {
            width: 100%;
            height: auto;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .functional-section {
            background-color: #f1f8ff;
            padding: 2rem;
            border-radius: 10px;
            margin: 3rem 0;
        }
        .functional-section h2 {
            border-left: none;
            text-align: center;
            color: #6a11cb;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #ced4da;
            border-radius: 5px;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        button {
            background: linear-gradient(to right, #6a11cb, #2575fc);
            color: white;
            border: none;
            padding: 0.9rem 2rem;
            font-size: 1.1rem;
            border-radius: 30px;
            cursor: pointer;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        button:hover {
            transform: translateY(-3px);
            box-shadow: 0 7px 14px rgba(106, 17, 203, 0.4);
        }
        .star-rating {
            display: flex;
            flex-direction: row-reverse;
            justify-content: flex-end;
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label,
        .star-rating input:checked ~ label {
            color: #ffd700;
        }
        footer {
            background-color: #2d3436;
            color: #dfe6e9;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
        }
        friend-link {
            display: block;
            background-color: #3c4245;
            padding: 1.5rem;
            border-radius: 8px;
        }
        friend-link h3 {
            color: #74b9ff;
            margin-top: 0;
        }
        friend-link ul {
            list-style: none;
        }
        friend-link ul li {
            margin-bottom: 0.8rem;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            margin-top: 2rem;
            border-top: 1px solid #636e72;
            font-size: 0.9rem;
            color: #b2bec3;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: #2575fc;
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 5px 10px rgba(0,0,0,0.2);
            }
            nav ul.active {
                display: flex;
            }
            nav ul li {
                margin: 0.5rem 0;
                margin-left: 0;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            article {
                padding: 0 1rem;
            }
            .featured-img {
                width: 100%;
            }
            .functional-section {
                padding: 1.5rem;
            }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        main, .functional-section {
            animation: fadeIn 0.8s ease-out;
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }