* { margin: 0; padding: 0; box-sizing: border-box; }
        body { font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif; line-height: 1.7; color: #e0e0e0; background: linear-gradient(135deg, #0c0c0c 0%, #1a1a2e 100%); min-height: 100vh; }
        a { color: #00b4d8; text-decoration: none; transition: all 0.3s ease; }
        a:hover { color: #90e0ef; text-shadow: 0 0 8px rgba(144, 224, 239, 0.7); }
        .container { max-width: 1200px; margin: 0 auto; padding: 0 20px; }
        .btn { display: inline-block; background: linear-gradient(90deg, #ff5400, #ff8c00); color: white; padding: 12px 24px; border-radius: 30px; font-weight: bold; text-transform: uppercase; letter-spacing: 1px; border: none; cursor: pointer; transition: transform 0.3s, box-shadow 0.3s; }
        .btn:hover { transform: translateY(-3px); box-shadow: 0 10px 20px rgba(255, 140, 0, 0.4); }
        .highlight { background: rgba(255, 140, 0, 0.1); border-left: 4px solid #ff8c00; padding: 15px; margin: 20px 0; border-radius: 0 8px 8px 0; }
        .emoji { font-size: 1.2em; vertical-align: middle; }
        img { max-width: 100%; height: auto; border-radius: 10px; }
        .section { margin-bottom: 50px; }
        .text-center { text-align: center; }
        .text-justify { text-align: justify; }
        .mb-20 { margin-bottom: 20px; }
        .mb-30 { margin-bottom: 30px; }
        .mt-30 { margin-top: 30px; }
        .p-20 { padding: 20px; }
        .rounded { border-radius: 10px; }
        .shadow { box-shadow: 0 10px 30px rgba(0, 0, 0, 0.5); }
        header { background: rgba(20, 20, 30, 0.95); backdrop-filter: blur(10px); position: sticky; top: 0; z-index: 1000; border-bottom: 2px solid #ff5400; }
        .header-container { display: flex; justify-content: space-between; align-items: center; padding: 15px 0; }
        .logo.my-logo a { font-size: 2.2rem; font-weight: 900; background: linear-gradient(90deg, #00b4d8, #90e0ef); -webkit-background-clip: text; -webkit-text-fill-color: transparent; text-shadow: 0 0 15px rgba(0, 180, 216, 0.3); }
        .nav { display: flex; }
        .nav-list { display: flex; list-style: none; }
        .nav-item { margin-left: 25px; }
        .nav-link { font-size: 1.1rem; padding: 8px 15px; border-radius: 20px; }
        .nav-link:hover { background: rgba(255, 140, 0, 0.2); }
        .hamburger { display: none; font-size: 1.8rem; cursor: pointer; color: #00b4d8; }
        .breadcrumb { background: rgba(40, 40, 60, 0.8); padding: 12px 20px; border-radius: 0 0 10px 10px; font-size: 0.95rem; }
        .breadcrumb a { color: #90e0ef; }
        .breadcrumb a:hover { color: #ff8c00; }
        main { padding: 30px 0; }
        .article { background: rgba(30, 30, 46, 0.9); border-radius: 15px; padding: 40px; box-shadow: inset 0 0 20px rgba(0, 0, 0, 0.5); }
        h1 { font-size: 3.2rem; background: linear-gradient(90deg, #ff5400, #ff8c00); -webkit-background-clip: text; -webkit-text-fill-color: transparent; margin-bottom: 20px; text-align: center; }
        h2 { font-size: 2.5rem; color: #00b4d8; margin: 40px 0 20px; padding-bottom: 10px; border-bottom: 2px dashed #ff8c00; }
        h3 { font-size: 1.8rem; color: #90e0ef; margin: 30px 0 15px; }
        h4 { font-size: 1.4rem; color: #ffb347; margin: 20px 0 10px; }
        p { margin-bottom: 20px; font-size: 1.1rem; }
        ul, ol { margin-left: 30px; margin-bottom: 20px; }
        li { margin-bottom: 10px; }
        .feature-img { width: 100%; max-height: 500px; object-fit: cover; margin: 30px 0; border: 3px solid #ff8c00; }
        .last-updated { text-align: right; font-style: italic; color: #aaa; margin-bottom: 30px; font-size: 0.9rem; }
        .form-section { background: rgba(40, 40, 60, 0.7); padding: 25px; border-radius: 15px; margin: 40px 0; border: 1px solid #00b4d8; }
        .form-title { font-size: 1.5rem; color: #ff8c00; margin-bottom: 20px; }
        .form-group { margin-bottom: 20px; }
        label { display: block; margin-bottom: 8px; color: #90e0ef; font-weight: bold; }
        input, textarea, select { width: 100%; padding: 12px; background: rgba(20, 20, 30, 0.8); border: 1px solid #00b4d8; border-radius: 8px; color: #e0e0e0; font-size: 1rem; }
        input:focus, textarea:focus, select:focus { outline: none; border-color: #ff8c00; box-shadow: 0 0 10px rgba(255, 140, 0, 0.5); }
        .rating { display: flex; gap: 10px; margin-bottom: 20px; }
        .star { font-size: 2rem; color: #444; cursor: pointer; transition: color 0.3s; }
        .star:hover, .star.active { color: #ff8c00; }
        footer { background: rgba(10, 10, 20, 0.95); padding: 40px 0; border-top: 2px solid #ff5400; }
        .footer-container { display: grid; grid-template-columns: repeat(auto-fit, minmax(250px, 1fr)); gap: 30px; }
        friend-link { display: block; margin-bottom: 15px; }
        friend-link a { color: #ffb347; font-size: 1.1rem; }
        friend-link a:hover { color: #ff8c00; }
        .copyright { text-align: center; margin-top: 30px; padding-top: 20px; border-top: 1px solid #444; color: #aaa; font-size: 0.9rem; }
        @media (max-width: 992px) {
            .container { padding: 0 15px; }
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .article { padding: 30px; }
        }
        @media (max-width: 768px) {
            .header-container { flex-wrap: wrap; }
            .nav { display: none; width: 100%; margin-top: 15px; }
            .nav.active { display: block; }
            .nav-list { flex-direction: column; }
            .nav-item { margin: 10px 0; }
            .hamburger { display: block; }
            h1 { font-size: 2.3rem; }
            h2 { font-size: 1.9rem; }
            .article { padding: 20px; }
        }
        @media (max-width: 480px) {
            h1 { font-size: 2rem; }
            h2 { font-size: 1.6rem; }
            .btn { padding: 10px 20px; font-size: 0.9rem; }
        }
        @keyframes fadeIn {
            from { opacity: 0; transform: translateY(20px); }
            to { opacity: 1; transform: translateY(0); }
        }
        .fade-in { animation: fadeIn 0.8s ease-out; }