* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.8;
            color: #333;
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            color: #f1f1f1;
            padding: 0;
            margin: 0;
        }
        a {
            color: #00b4d8;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #90e0ef;
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 10px;
            box-shadow: 0 5px 15px rgba(0,0,0,0.5);
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background: rgba(0, 0, 0, 0.9);
            padding: 15px 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0,0,0,0.3);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.5rem;
            font-weight: bold;
            color: #00b4d8;
            text-shadow: 0 0 10px #0077b6;
            font-family: 'Arial Black', sans-serif;
            letter-spacing: 2px;
        }
        .my-logo:hover {
            color: #90e0ef;
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 25px;
        }
        .nav-links li a {
            font-size: 1.1rem;
            padding: 8px 15px;
            border-radius: 5px;
            transition: background 0.3s;
        }
        .nav-links li a:hover {
            background: rgba(0, 180, 216, 0.2);
            text-decoration: none;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00b4d8;
        }
        .breadcrumb {
            padding: 10px 0;
            background: rgba(255,255,255,0.05);
            margin-top: 10px;
            border-radius: 5px;
        }
        .breadcrumb ol {
            display: flex;
            list-style: none;
            gap: 10px;
            padding-left: 20px;
        }
        .breadcrumb li:not(:last-child)::after {
            content: '>';
            margin-left: 10px;
            color: #888;
        }
        .search-box {
            margin: 20px 0;
            display: flex;
            justify-content: center;
        }
        .search-form {
            display: flex;
            width: 100%;
            max-width: 600px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 15px;
            border: 2px solid #00b4d8;
            border-radius: 30px 0 0 30px;
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 1rem;
        }
        .search-form button {
            padding: 12px 25px;
            background: #00b4d8;
            color: white;
            border: none;
            border-radius: 0 30px 30px 0;
            cursor: pointer;
            font-size: 1rem;
            transition: background 0.3s;
        }
        .search-form button:hover {
            background: #0077b6;
        }
        main {
            padding: 30px 0;
            background: rgba(255,255,255,0.02);
            border-radius: 15px;
            margin: 20px 0;
        }
        article {
            max-width: 1000px;
            margin: 0 auto;
            padding: 20px;
        }
        h1 {
            font-size: 3rem;
            color: #00b4d8;
            text-align: center;
            margin-bottom: 30px;
            text-shadow: 0 0 15px rgba(0,180,216,0.7);
        }
        h2 {
            font-size: 2.2rem;
            color: #90e0ef;
            margin-top: 40px;
            padding-bottom: 10px;
            border-bottom: 2px solid #00b4d8;
        }
        h3 {
            font-size: 1.8rem;
            color: #caf0f8;
            margin-top: 30px;
        }
        h4 {
            font-size: 1.5rem;
            color: #ade8f4;
            margin-top: 25px;
        }
        p {
            margin-bottom: 20px;
            text-align: justify;
            font-size: 1.1rem;
            line-height: 1.9;
        }
        .highlight {
            background: rgba(0,180,216,0.2);
            padding: 15px;
            border-left: 5px solid #00b4d8;
            border-radius: 5px;
            margin: 20px 0;
            font-weight: bold;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 8px;
        }
        .feature-image {
            text-align: center;
            margin: 30px 0;
        }
        .feature-image figcaption {
            margin-top: 10px;
            font-style: italic;
            color: #aaa;
        }
        .link-box {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(250px, 1fr));
            gap: 15px;
            margin: 30px 0;
            padding: 20px;
            background: rgba(0,0,0,0.3);
            border-radius: 10px;
        }
        .link-box a {
            display: block;
            padding: 10px;
            background: rgba(0,180,216,0.1);
            border-radius: 5px;
            text-align: center;
            transition: transform 0.3s, background 0.3s;
        }
        .link-box a:hover {
            transform: translateY(-5px);
            background: rgba(0,180,216,0.3);
        }
        .interaction-section {
            margin: 50px 0;
            padding: 30px;
            background: rgba(255,255,255,0.05);
            border-radius: 15px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            margin-bottom: 8px;
            font-weight: bold;
        }
        .form-group input,
        .form-group textarea,
        .form-group select {
            width: 100%;
            padding: 12px;
            border: 1px solid #00b4d8;
            border-radius: 5px;
            background: rgba(255,255,255,0.1);
            color: #fff;
            font-size: 1rem;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .rating-stars {
            display: flex;
            gap: 10px;
            font-size: 2rem;
            color: #ffd700;
            cursor: pointer;
        }
        .rating-stars i:hover {
            transform: scale(1.2);
        }
        .submit-btn {
            padding: 12px 30px;
            background: #00b4d8;
            color: white;
            border: none;
            border-radius: 30px;
            cursor: pointer;
            font-size: 1.1rem;
            transition: background 0.3s;
        }
        .submit-btn:hover {
            background: #0077b6;
        }
        footer {
            background: rgba(0, 0, 0, 0.9);
            padding: 40px 0 20px;
            margin-top: 50px;
            border-top: 3px solid #00b4d8;
        }
        .footer-content {
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            gap: 30px;
        }
        .footer-section {
            flex: 1;
            min-width: 250px;
        }
        .footer-section h3 {
            color: #00b4d8;
            margin-bottom: 20px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 8px;
            background: rgba(255,255,255,0.05);
            border-radius: 5px;
            text-align: center;
        }
        .copyright {
            text-align: center;
            margin-top: 30px;
            padding-top: 20px;
            border-top: 1px solid #444;
            color: #aaa;
            font-size: 0.9rem;
        }
        .last-updated {
            text-align: right;
            font-size: 0.9rem;
            color: #888;
            margin-top: 20px;
            padding: 10px;
            background: rgba(0,0,0,0.3);
            border-radius: 5px;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background: rgba(0,0,0,0.95);
                width: 80%;
                height: calc(100vh - 80px);
                padding: 40px 20px;
                transition: right 0.5s ease;
                box-shadow: -5px 0 15px rgba(0,0,0,0.5);
            }
            .nav-links.active {
                right: 0;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .search-form {
                flex-direction: column;
            }
            .search-form input {
                border-radius: 30px;
                margin-bottom: 10px;
            }
            .search-form button {
                border-radius: 30px;
            }
        }
        @media (min-width: 769px) {
            .nav-links {
                display: flex !important;
            }
        }