* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(135deg, #0c2461 0%, #1e3799 100%);
            color: #f1f2f6;
            line-height: 1.7;
            min-height: 100vh;
            display: flex;
            flex-direction: column;
        }
        a {
            color: #00d2d3;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #54a0ff;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(12, 36, 97, 0.95);
            backdrop-filter: blur(10px);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0,0,0,0.3);
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00d2d3, #54a0ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
        }
        .logo i {
            margin-right: 10px;
            color: #00d2d3;
        }
        .nav-main {
            display: flex;
            gap: 2rem;
        }
        .nav-main a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-main a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background: #00d2d3;
            transition: width 0.3s ease;
        }
        .nav-main a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            flex-direction: column;
            cursor: pointer;
            gap: 5px;
            padding: 5px;
        }
        .hamburger span {
            width: 30px;
            height: 4px;
            background: #00d2d3;
            border-radius: 2px;
            transition: 0.3s;
        }
        .breadcrumb {
            padding: 1rem 0;
            font-size: 0.9rem;
            color: #a4b0be;
            margin-top: 10px;
            border-bottom: 1px solid rgba(255,255,255,0.1);
        }
        .breadcrumb a {
            color: #a4b0be;
        }
        .breadcrumb a:hover {
            color: #00d2d3;
        }
        .search-section {
            background: rgba(255,255,255,0.05);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            text-align: center;
            border: 1px solid rgba(0,210,211,0.2);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 1rem auto 0;
        }
        .search-form input {
            flex: 1;
            padding: 15px 20px;
            border: none;
            border-radius: 50px 0 0 50px;
            background: rgba(255,255,255,0.1);
            color: white;
            font-size: 1rem;
            outline: none;
        }
        .search-form button {
            background: linear-gradient(90deg, #00d2d3, #0984e3);
            color: white;
            border: none;
            padding: 0 30px;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: 600;
            font-size: 1rem;
            transition: transform 0.3s ease;
        }
        .search-form button:hover {
            transform: scale(1.05);
        }
        main {
            flex: 1;
            padding: 2rem 0;
        }
        article {
            background: rgba(255,255,255,0.03);
            border-radius: 20px;
            padding: 3rem;
            margin-bottom: 3rem;
            box-shadow: 0 15px 35px rgba(0,0,0,0.2);
            border: 1px solid rgba(255,255,255,0.05);
        }
        h1, h2, h3 {
            margin-bottom: 1.5rem;
            color: #00d2d3;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            background: linear-gradient(90deg, #00d2d3, #54a0ff);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-align: center;
            margin-bottom: 2rem;
        }
        h2 {
            font-size: 2.2rem;
            border-left: 5px solid #00d2d3;
            padding-left: 15px;
            margin-top: 3rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #54a0ff;
            margin-top: 2.5rem;
        }
        p {
            margin-bottom: 1.8rem;
            font-size: 1.2rem;
            text-align: justify;
        }
        .highlight {
            background: rgba(0,210,211,0.15);
            border-left: 5px solid #00d2d3;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 10px 10px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        .feature-img {
            width: 100%;
            border-radius: 15px;
            margin: 2.5rem auto;
            box-shadow: 0 10px 30px rgba(0,0,0,0.4);
            border: 2px solid rgba(0,210,211,0.3);
        }
        .user-interaction {
            background: rgba(255,255,255,0.03);
            border-radius: 20px;
            padding: 2.5rem;
            margin: 3rem 0;
            border: 1px solid rgba(255,255,255,0.05);
        }
        .interaction-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 2rem;
            margin-top: 2rem;
        }
        .interaction-box {
            background: rgba(12, 36, 97, 0.5);
            padding: 2rem;
            border-radius: 15px;
            border: 1px solid rgba(0,210,211,0.2);
        }
        .interaction-box h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .rating-stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
            font-size: 1.8rem;
            color: #FFD700;
        }
        .rating-stars i {
            cursor: pointer;
            transition: transform 0.2s;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        textarea, input[type="text"], input[type="email"] {
            width: 100%;
            padding: 15px;
            margin: 10px 0;
            background: rgba(255,255,255,0.08);
            border: 1px solid rgba(255,255,255,0.2);
            border-radius: 10px;
            color: white;
            font-size: 1rem;
            outline: none;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-btn {
            background: linear-gradient(90deg, #00d2d3, #0984e3);
            color: white;
            border: none;
            padding: 15px 40px;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            font-size: 1.1rem;
            transition: all 0.3s ease;
            display: block;
            margin: 1.5rem auto 0;
        }
        .submit-btn:hover {
            transform: translateY(-5px);
            box-shadow: 0 10px 20px rgba(0,210,211,0.3);
        }
        .internal-links {
            background: rgba(255,255,255,0.03);
            padding: 2rem;
            border-radius: 15px;
            margin: 2rem 0;
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 1.5rem;
        }
        .internal-links a {
            display: flex;
            align-items: center;
            padding: 15px;
            background: rgba(12, 36, 97, 0.5);
            border-radius: 10px;
            transition: all 0.3s ease;
        }
        .internal-links a:hover {
            background: rgba(0,210,211,0.2);
            transform: translateX(10px);
        }
        .internal-links i {
            margin-right: 15px;
            color: #00d2d3;
        }
        .web-links-section {
            background: rgba(12, 36, 97, 0.8);
            padding: 3rem 0;
            margin-top: 3rem;
        }
        .web-links-container {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 1.5rem;
        }
        .web-link {
            background: rgba(255,255,255,0.05);
            padding: 1.5rem;
            border-radius: 10px;
            text-align: center;
            transition: all 0.3s ease;
            border: 1px solid transparent;
        }
        .web-link:hover {
            background: rgba(0,210,211,0.15);
            border-color: #00d2d3;
            transform: translateY(-5px);
        }
        .web-link a {
            color: #f1f2f6;
            font-weight: 600;
        }
        footer {
            background: #0c2461;
            padding: 3rem 0 1.5rem;
            margin-top: auto;
            border-top: 3px solid #00d2d3;
        }
        .footer-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 2rem;
        }
        .copyright {
            color: #a4b0be;
            font-size: 0.95rem;
        }
        .social-links {
            display: flex;
            gap: 1.5rem;
            font-size: 1.5rem;
        }
        .social-links a {
            color: #a4b0be;
            transition: color 0.3s ease;
        }
        .social-links a:hover {
            color: #00d2d3;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.4rem; }
            h2 { font-size: 2rem; }
            article { padding: 2rem; }
            .nav-main { gap: 1rem; }
        }
        @media (max-width: 768px) {
            .hamburger { display: flex; }
            .nav-main {
                display: none;
                flex-direction: column;
                width: 100%;
                background: rgba(12, 36, 97, 0.98);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                box-shadow: 0 10px 20px rgba(0,0,0,0.3);
                border-top: 2px solid #00d2d3;
            }
            .nav-main.active {
                display: flex;
            }
            .header-content {
                flex-direction: column;
                align-items: flex-start;
            }
            .logo {
                width: 100%;
                display: flex;
                justify-content: space-between;
                align-items: center;
            }
            h1 { font-size: 2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            p { font-size: 1.1rem; }
            .search-form { flex-direction: column; }
            .search-form input {
                border-radius: 50px;
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: 50px;
                padding: 15px;
            }
            .interaction-grid {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .container { padding: 0 15px; }
            article { padding: 1.5rem; }
            h1 { font-size: 1.8rem; }
            .user-interaction { padding: 1.5rem; }
            .footer-content { flex-direction: column; text-align: center; }
        }