* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        body {
            background: linear-gradient(135deg, #0a2e5c 0%, #1a5f9e 100%);
            color: #f0f8ff;
            line-height: 1.8;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #4fc3f7;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #ffcc00;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            box-shadow: 0 8px 24px rgba(0, 0, 0, 0.5);
        }
        .container {
            width: 90%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(10, 46, 92, 0.95);
            padding: 1.5rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            backdrop-filter: blur(10px);
            border-bottom: 3px solid #ffcc00;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            color: #ffcc00;
            text-shadow: 2px 2px 4px #000;
            letter-spacing: 1px;
        }
        .my-logo a {
            color: inherit;
        }
        .my-logo a:hover {
            text-shadow: 0 0 12px #ffcc00;
        }
        nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        nav a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 1rem;
            border-radius: 6px;
            background: rgba(255, 255, 255, 0.1);
        }
        nav a:hover {
            background: rgba(255, 204, 0, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffcc00;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.95rem;
            color: #b0bec5;
        }
        .breadcrumb a::after {
            content: ' › ';
            margin: 0 8px;
            color: #4fc3f7;
        }
        .breadcrumb a:last-child::after {
            content: '';
        }
        .search-box {
            margin: 1.5rem auto;
            max-width: 600px;
        }
        .search-form {
            display: flex;
            border-radius: 50px;
            overflow: hidden;
            box-shadow: 0 6px 20px rgba(0, 0, 0, 0.3);
        }
        .search-form input {
            flex: 1;
            padding: 1rem 1.5rem;
            border: none;
            font-size: 1.1rem;
            background: #fff;
            color: #0a2e5c;
        }
        .search-form button {
            padding: 1rem 2rem;
            background: #ffcc00;
            border: none;
            color: #0a2e5c;
            font-weight: bold;
            cursor: pointer;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #ffd740;
        }
        main {
            flex: 1;
            padding: 2rem 0;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 20px;
            margin: 1rem auto;
            box-shadow: inset 0 0 30px rgba(0, 0, 0, 0.2);
        }
        article {
            padding: 2rem;
        }
        h1 {
            font-size: 3.2rem;
            color: #ffcc00;
            text-align: center;
            margin-bottom: 2rem;
            text-shadow: 3px 3px 6px #000;
            border-bottom: 4px dashed #4fc3f7;
            padding-bottom: 1rem;
        }
        h2 {
            font-size: 2.4rem;
            color: #4fc3f7;
            margin: 2.5rem 0 1.5rem;
            padding-left: 1rem;
            border-left: 6px solid #ffcc00;
        }
        h3 {
            font-size: 1.8rem;
            color: #81d4fa;
            margin: 2rem 0 1rem;
        }
        h4 {
            font-size: 1.4rem;
            color: #b3e5fc;
            margin: 1.5rem 0 0.8rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.15rem;
            text-align: justify;
            padding: 0 0.5rem;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(255, 204, 0, 0.2), transparent);
            padding: 1.5rem;
            border-radius: 12px;
            border-left: 5px solid #ffcc00;
            margin: 2rem 0;
        }
        .emoji {
            font-size: 1.3em;
            margin-right: 8px;
        }
        .feature-img {
            float: right;
            margin: 1rem 0 2rem 3rem;
            max-width: 500px;
            width: 100%;
        }
        .feature-img figcaption {
            text-align: center;
            font-style: italic;
            margin-top: 0.5rem;
            color: #b0bec5;
        }
        .user-interaction {
            background: rgba(10, 46, 92, 0.7);
            padding: 2.5rem;
            border-radius: 18px;
            margin: 3rem 0;
            border: 2px solid #4fc3f7;
        }
        .interaction-form {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
            max-width: 800px;
            margin: 0 auto;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        .form-group label {
            font-weight: 600;
            margin-bottom: 0.5rem;
            color: #ffcc00;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            padding: 1rem;
            border-radius: 10px;
            border: 2px solid #4fc3f7;
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .star-rating {
            display: flex;
            gap: 0.8rem;
            font-size: 2rem;
            color: #ccc;
            cursor: pointer;
        }
        .star-rating .star:hover,
        .star-rating .star.active {
            color: #ffcc00;
        }
        .submit-btn {
            padding: 1.2rem;
            background: linear-gradient(90deg, #ffcc00, #ffd740);
            color: #0a2e5c;
            border: none;
            border-radius: 10px;
            font-weight: bold;
            font-size: 1.2rem;
            cursor: pointer;
            transition: transform 0.3s, box-shadow 0.3s;
        }
        .submit-btn:hover {
            transform: scale(1.05);
            box-shadow: 0 6px 20px rgba(255, 204, 0, 0.4);
        }
        footer {
            background: #0a1a32;
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
            border-top: 5px solid #ffcc00;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
            margin-bottom: 2rem;
        }
        .friend-links {
            background: rgba(255, 255, 255, 0.05);
            padding: 1.5rem;
            border-radius: 12px;
        }
        friend-link {
            display: block;
            margin: 0.8rem 0;
            font-size: 1.1rem;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid #4fc3f7;
            color: #b0bec5;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.1rem; }
            .feature-img {
                float: none;
                margin: 2rem auto;
                display: block;
            }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-direction: column;
                gap: 1.5rem;
            }
            nav ul {
                flex-direction: column;
                width: 100%;
                display: none;
                gap: 1rem;
            }
            nav ul.active {
                display: flex;
            }
            .hamburger {
                display: block;
                align-self: flex-end;
                margin-top: -60px;
            }
            h1 { font-size: 2.4rem; }
            h2 { font-size: 1.9rem; }
            p { font-size: 1.05rem; }
            .user-interaction {
                padding: 1.5rem;
            }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            .my-logo { font-size: 1.8rem; }
            .search-form input {
                padding: 0.8rem;
                font-size: 1rem;
            }
            .search-form button {
                padding: 0.8rem 1.5rem;
            }
        }