* {
            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;
            overflow-x: hidden;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.3s ease;
        }
        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, #1a237e 0%, #4a148c 100%);
            color: #fff;
            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 {
            font-size: 2.2rem;
            font-weight: 900;
            text-transform: uppercase;
            letter-spacing: 2px;
            background: linear-gradient(90deg, #ffeb3b, #ff9800);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            padding: 5px 0;
        }
        .logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links a {
            font-size: 1.1rem;
            font-weight: 600;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(255, 255, 255, 0.2);
            color: #ffeb3b;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #ffeb3b;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #e8eaf6;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #4a148c;
        }
        .breadcrumb a:hover {
            text-decoration: underline;
        }
        .breadcrumb span {
            color: #666;
        }
        .search-bar {
            max-width: 600px;
            margin: 30px auto;
            padding: 10px;
            background-color: #fff;
            border-radius: 50px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
            display: flex;
        }
        .search-bar input {
            flex: 1;
            border: none;
            padding: 15px 20px;
            font-size: 1rem;
            border-radius: 50px 0 0 50px;
            outline: none;
        }
        .search-bar button {
            background: linear-gradient(90deg, #4a148c, #1a237e);
            color: white;
            border: none;
            padding: 15px 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .search-bar button:hover {
            background: linear-gradient(90deg, #1a237e, #4a148c);
        }
        main {
            padding: 30px 0;
            background-color: #fff;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0, 0, 0, 0.05);
            margin-bottom: 40px;
        }
        article {
            padding: 0 30px;
        }
        h1 {
            font-size: 2.8rem;
            color: #1a237e;
            margin-bottom: 25px;
            text-align: center;
            line-height: 1.2;
        }
        h2 {
            font-size: 2.2rem;
            color: #4a148c;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #ff9800;
        }
        h3 {
            font-size: 1.8rem;
            color: #333;
            margin: 30px 0 15px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            text-align: justify;
            line-height: 1.7;
        }
        .highlight {
            background-color: #fff9c4;
            padding: 5px 10px;
            border-left: 5px solid #ff9800;
            font-weight: bold;
            margin: 20px 0;
        }
        .emoji {
            font-size: 1.2rem;
            margin-right: 5px;
        }
        .featured-image {
            margin: 30px auto;
            text-align: center;
            max-width: 800px;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: 0 8px 20px rgba(0, 0, 0, 0.1);
        }
        .featured-image img {
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }
        .featured-image img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            font-style: italic;
            color: #666;
            padding: 10px;
            background-color: #f5f5f5;
        }
        .user-interaction {
            margin: 50px 0;
            padding: 30px;
            background-color: #f3e5f5;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(0, 0, 0, 0.08);
        }
        .interaction-title {
            font-size: 2rem;
            color: #4a148c;
            margin-bottom: 25px;
            text-align: center;
        }
        .form-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
        }
        .form-group {
            background: white;
            padding: 25px;
            border-radius: 10px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.05);
        }
        .form-group h3 {
            color: #1a237e;
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: 600;
            color: #555;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            margin-bottom: 15px;
            border: 1px solid #ccc;
            border-radius: 5px;
            font-size: 1rem;
            transition: border 0.3s ease;
        }
        .form-group input:focus,
        .form-group textarea:focus,
        .form-group select:focus {
            border-color: #4a148c;
            outline: none;
        }
        .form-group button {
            background: linear-gradient(90deg, #ff9800, #ff5722);
            color: white;
            border: none;
            padding: 12px 25px;
            border-radius: 5px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            transition: background 0.3s ease;
        }
        .form-group button:hover {
            background: linear-gradient(90deg, #ff5722, #ff9800);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin-bottom: 15px;
        }
        .star {
            font-size: 2rem;
            color: #ddd;
            cursor: pointer;
            transition: color 0.2s ease;
        }
        .star:hover,
        .star.active {
            color: #ff9800;
        }
        .long-tail-links {
            background-color: #e8eaf6;
            padding: 40px 0;
            margin-bottom: 30px;
        }
        .web-link {
            display: inline-block;
            margin: 10px 15px;
            padding: 12px 25px;
            background: white;
            border-radius: 30px;
            box-shadow: 0 4px 8px rgba(0, 0, 0, 0.08);
            font-weight: 600;
            color: #1a237e;
            transition: all 0.3s ease;
        }
        .web-link:hover {
            background: #4a148c;
            color: white;
            transform: translateY(-3px);
        }
        footer {
            background: #1a237e;
            color: white;
            padding: 40px 0 20px;
            text-align: center;
        }
        .footer-content {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 20px;
        }
        .copyright {
            font-size: 0.9rem;
            color: #bbbbbb;
            margin-top: 20px;
            border-top: 1px solid #444;
            padding-top: 20px;
            width: 100%;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            h3 { font-size: 1.6rem; }
            .nav-links { gap: 15px; }
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .nav-links {
                display: none;
                flex-direction: column;
                position: absolute;
                top: 100%;
                left: 0;
                width: 100%;
                background-color: #1a237e;
                padding: 20px;
                box-shadow: 0 10px 15px rgba(0, 0, 0, 0.1);
            }
            .nav-links.active {
                display: flex;
            }
            .nav-links li {
                margin: 10px 0;
                text-align: center;
            }
            .form-grid {
                grid-template-columns: 1fr;
            }
            article {
                padding: 0 15px;
            }
        }
        @media (max-width: 480px) {
            .logo { font-size: 1.8rem; }
            h1 { font-size: 2rem; }
            .search-bar { flex-direction: column; border-radius: 10px; }
            .search-bar input { border-radius: 10px 10px 0 0; }
            .search-bar button { border-radius: 0 0 10px 10px; width: 100%; }
        }