* {
            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: #f8f9fa;
        }
        a {
            text-decoration: none;
            color: #2c3e50;
        }
        a:hover {
            color: #e74c3c;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: linear-gradient(135deg, #1a237e, #283593);
            color: #fff;
            padding: 1rem 0;
            box-shadow: 0 4px 12px rgba(0,0,0,0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            color: #fff;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #ff9800, #ffeb3b);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s ease;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        .nav-container {
            display: flex;
            align-items: center;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        nav a {
            color: #fff;
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        nav a:hover {
            background: rgba(255,255,255,0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #fff;
        }
        .breadcrumb {
            padding: 1rem 0;
            background: #ecf0f1;
            margin-bottom: 2rem;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 0.5rem;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '›';
            margin-left: 0.5rem;
            color: #7f8c8d;
        }
        main {
            background: #fff;
            padding: 2rem;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.05);
            margin-bottom: 2rem;
        }
        h1 {
            font-size: 3rem;
            color: #1a237e;
            margin-bottom: 1.5rem;
            border-bottom: 4px solid #ff9800;
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: #283593;
            margin: 2rem 0 1rem;
            padding-left: 0.5rem;
            border-left: 5px solid #4caf50;
        }
        h3 {
            font-size: 1.8rem;
            color: #3949ab;
            margin: 1.5rem 0 0.8rem;
        }
        h4 {
            font-size: 1.5rem;
            color: #5c6bc0;
            margin: 1rem 0 0.5rem;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.8;
        }
        .highlight {
            background: #fffde7;
            padding: 1.5rem;
            border-left: 5px solid #ffc107;
            margin: 1.5rem 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 0.3rem;
        }
        .featured-img {
            width: 100%;
            max-width: 800px;
            height: auto;
            border-radius: 10px;
            margin: 2rem auto;
            display: block;
            box-shadow: 0 8px 20px rgba(0,0,0,0.15);
            transition: transform 0.5s ease;
        }
        .featured-img:hover {
            transform: scale(1.02);
        }
        .link-list {
            background: #e3f2fd;
            padding: 1.5rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 1rem;
            list-style: none;
        }
        .link-list li {
            padding: 0.8rem;
            background: #fff;
            border-radius: 5px;
            transition: transform 0.3s;
        }
        .link-list li:hover {
            transform: translateY(-5px);
            box-shadow: 0 5px 10px rgba(0,0,0,0.1);
        }
        .form-section {
            background: #f5f5f5;
            padding: 2rem;
            border-radius: 10px;
            margin: 2rem 0;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            width: 100%;
            padding: 0.8rem;
            border: 2px solid #ddd;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s;
        }
        input:focus, textarea:focus, select:focus {
            border-color: #4caf50;
            outline: none;
        }
        button {
            background: #4caf50;
            color: #fff;
            border: none;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            font-size: 1rem;
            cursor: pointer;
            transition: background 0.3s;
        }
        button:hover {
            background: #388e3c;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: #ffc107;
            cursor: pointer;
        }
        footer {
            background: #1a237e;
            color: #fff;
            padding: 2rem 0;
            text-align: center;
        }
        .friend-links {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 1.5rem;
            margin-bottom: 1.5rem;
        }
        .friend-link {
            background: #283593;
            padding: 0.8rem 1.5rem;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .friend-link:hover {
            background: #3949ab;
        }
        .copyright {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #b0bec5;
        }
        @media (max-width: 768px) {
            .header-container {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-container {
                width: 100%;
                justify-content: space-between;
                margin-top: 1rem;
            }
            nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background: #283593;
                position: absolute;
                top: 100%;
                left: 0;
                z-index: 1000;
                padding: 1rem;
                border-radius: 0 0 10px 10px;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
        }