* {
            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;
            padding: 0;
            margin: 0;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: #007bff;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #0056b3;
        }
        ul {
            list-style: none;
        }
        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, #1e3c72, #2a5298);
            color: white;
            padding: 15px 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;
        }
        .logo a.my-logo {
            font-size: 2.5rem;
            font-weight: 900;
            color: #00a2ff;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #00a2ff, #00ffaa);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            transition: transform 0.3s ease;
        }
        .logo a.my-logo:hover {
            transform: scale(1.05);
        }
        .desktop-nav ul {
            display: flex;
            gap: 30px;
        }
        .desktop-nav a {
            color: white;
            font-weight: 600;
            padding: 10px 15px;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .desktop-nav a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .mobile-menu-toggle {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: white;
        }
        .mobile-nav {
            display: none;
            background: #1e3c72;
            padding: 20px;
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
        }
        .mobile-nav.active {
            display: block;
        }
        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .mobile-nav a {
            color: white;
            font-weight: 600;
            padding: 10px;
            display: block;
            border-radius: 5px;
            transition: background 0.3s ease;
        }
        .mobile-nav a:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        .breadcrumb {
            background: #e9ecef;
            padding: 12px 20px;
            margin-bottom: 30px;
            border-radius: 8px;
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: #6c757d;
        }
        .breadcrumb a:hover {
            color: #007bff;
        }
        .breadcrumb span {
            color: #495057;
        }
        main {
            padding: 30px 0;
            background: white;
            border-radius: 15px;
            box-shadow: 0 5px 20px rgba(0, 0, 0, 0.05);
            margin: 30px auto;
            max-width: 1100px;
        }
        article {
            padding: 0 30px;
        }
        h1 {
            font-size: 3rem;
            color: #1e3c72;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.2;
            border-bottom: 4px solid #00a2ff;
            padding-bottom: 15px;
        }
        h2 {
            font-size: 2.2rem;
            color: #2a5298;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid #e9ecef;
        }
        h3 {
            font-size: 1.8rem;
            color: #3b5998;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #555;
            margin: 25px 0 12px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            line-height: 1.8;
            text-align: justify;
            padding: 0 10px;
        }
        .highlight {
            background: #fffacd;
            padding: 20px;
            border-left: 5px solid #ffc107;
            margin: 25px 0;
            border-radius: 8px;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .bold {
            font-weight: 900;
            color: #1e3c72;
        }
        .link-list {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 20px;
            margin: 40px 0;
        }
        .link-item {
            background: #f1f8ff;
            padding: 20px;
            border-radius: 10px;
            text-align: center;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }
        .link-item:hover {
            transform: translateY(-5px);
            box-shadow: 0 8px 16px rgba(0, 123, 255, 0.2);
        }
        .link-item a {
            font-size: 1.2rem;
            font-weight: 600;
        }
        .featured-image {
            margin: 40px auto;
            text-align: center;
        }
        .featured-image img {
            border-radius: 15px;
            box-shadow: 0 10px 30px rgba(0, 0, 0, 0.15);
            max-width: 800px;
            width: 100%;
        }
        .form-section {
            background: #f8f9fa;
            padding: 30px;
            border-radius: 12px;
            margin: 50px 0;
            box-shadow: inset 0 0 10px rgba(0, 0, 0, 0.05);
        }
        .form-group {
            margin-bottom: 25px;
        }
        .form-group label {
            display: block;
            font-weight: 600;
            margin-bottom: 10px;
            color: #495057;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 15px;
            border: 2px solid #ced4da;
            border-radius: 8px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #007bff;
            outline: none;
        }
        .btn {
            background: linear-gradient(135deg, #1e3c72, #2a5298);
            color: white;
            border: none;
            padding: 15px 30px;
            font-size: 1.1rem;
            font-weight: 600;
            border-radius: 8px;
            cursor: pointer;
            transition: background 0.3s ease, transform 0.2s ease;
        }
        .btn:hover {
            background: linear-gradient(135deg, #2a5298, #1e3c72);
            transform: translateY(-2px);
        }
        .rating {
            display: flex;
            gap: 10px;
            align-items: center;
        }
        .rating input[type="radio"] {
            display: none;
        }
        .rating label {
            font-size: 2rem;
            color: #ffc107;
            cursor: pointer;
            transition: color 0.3s ease;
        }
        .rating input[type="radio"]:checked ~ label {
            color: #ccc;
        }
        .rating label:hover,
        .rating label:hover ~ label {
            color: #ffc107;
        }
        footer {
            background: #1e3c72;
            color: white;
            padding: 40px 0 20px;
            margin-top: 50px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 30px;
        }
        .footer-section h3 {
            color: #00a2ff;
            margin-bottom: 20px;
            font-size: 1.5rem;
        }
        .footer-links a {
            color: #ccc;
            display: block;
            margin-bottom: 10px;
            transition: color 0.3s ease;
        }
        .footer-links a:hover {
            color: #00a2ff;
        }
        friend-link {
            display: block;
            background: rgba(255, 255, 255, 0.1);
            padding: 15px;
            border-radius: 8px;
            margin-bottom: 15px;
            transition: background 0.3s ease;
        }
        friend-link:hover {
            background: rgba(255, 255, 255, 0.2);
        }
        friend-link a {
            color: #00ffaa;
            font-weight: 600;
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 0.9rem;
            color: #aaa;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.5rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .link-list { grid-template-columns: repeat(2, 1fr); }
        }
        @media (max-width: 768px) {
            .desktop-nav { display: none; }
            .mobile-menu-toggle { display: block; }
            .header-content { padding: 0 20px; }
            main { margin: 20px; padding: 20px 0; }
            article { padding: 0 20px; }
            .link-list { grid-template-columns: 1fr; }
            .footer-content { grid-template-columns: 1fr; }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            p { font-size: 1rem; }
            .form-section { padding: 20px; }
        }