* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0a0e17;
            color: #e0e0e0;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #00a8ff;
            text-decoration: none;
            transition: color 0.3s ease, transform 0.2s ease;
        }
        a:hover {
            color: #4cd137;
            transform: translateY(-2px);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            border-radius: 10px;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .section-padding {
            padding: 60px 0;
        }
        header {
            background: linear-gradient(135deg, #1b1f38 0%, #0c0f1a 100%);
            padding: 15px 0;
            border-bottom: 3px solid #00a8ff;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 5px 20px rgba(0, 168, 255, 0.1);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .logo a {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, #00a8ff, #4cd137);
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .logo i {
            font-size: 2.5rem;
            color: #00a8ff;
        }
        .logo a:hover {
            transform: scale(1.03);
        }
        nav {
            display: flex;
            align-items: center;
        }
        .nav-links {
            display: flex;
            list-style: none;
            gap: 30px;
        }
        .nav-links a {
            font-weight: 600;
            font-size: 1.1rem;
            padding: 8px 12px;
            border-radius: 5px;
        }
        .nav-links a:hover {
            background-color: rgba(0, 168, 255, 0.15);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #00a8ff;
            background: none;
            border: none;
        }
        .breadcrumb {
            padding: 15px 0;
            background-color: #13172a;
            font-size: 0.95rem;
            margin-bottom: 20px;
        }
        .breadcrumb a {
            color: #8c8c8c;
        }
        .breadcrumb a:hover {
            color: #00a8ff;
        }
        .breadcrumb span {
            color: #4cd137;
            margin: 0 8px;
        }
        .search-box {
            margin: 30px auto;
            max-width: 600px;
            background: rgba(27, 31, 56, 0.8);
            padding: 25px;
            border-radius: 15px;
            border: 2px solid #1e3a5c;
        }
        .search-box h3 {
            margin-bottom: 15px;
            color: #00a8ff;
        }
        .search-form {
            display: flex;
            gap: 10px;
        }
        .search-form input {
            flex: 1;
            padding: 12px 20px;
            border: 2px solid #2d3748;
            border-radius: 50px;
            background-color: #0f1424;
            color: #e0e0e0;
            font-size: 1rem;
        }
        .search-form button {
            padding: 12px 25px;
            background: linear-gradient(90deg, #00a8ff, #0097e6);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .search-form button:hover {
            background: linear-gradient(90deg, #4cd137, #44bd32);
            transform: scale(1.05);
        }
        main {
            background-color: #0f1424;
            border-radius: 20px;
            padding: 30px;
            margin: 30px auto;
            box-shadow: 0 10px 40px rgba(0, 0, 0, 0.5);
        }
        h1 {
            font-size: 3.2rem;
            color: #00a8ff;
            margin-bottom: 25px;
            text-align: center;
            text-shadow: 0 2px 10px rgba(0, 168, 255, 0.3);
            line-height: 1.2;
        }
        h2 {
            font-size: 2.5rem;
            color: #4cd137;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 3px solid #1e3a5c;
        }
        h3 {
            font-size: 1.8rem;
            color: #00a8ff;
            margin: 30px 0 15px;
        }
        h4 {
            font-size: 1.4rem;
            color: #8c8c8c;
            margin: 25px 0 10px;
        }
        p {
            margin-bottom: 20px;
            font-size: 1.15rem;
            text-align: justify;
        }
        .intro {
            font-size: 1.3rem;
            background: rgba(27, 31, 56, 0.6);
            padding: 25px;
            border-radius: 15px;
            border-left: 5px solid #4cd137;
            margin-bottom: 35px;
        }
        .highlight {
            background-color: rgba(76, 209, 55, 0.15);
            padding: 25px;
            border-radius: 10px;
            border: 1px solid #4cd137;
            margin: 25px 0;
        }
        .tip-box {
            background: linear-gradient(135deg, #1b1f38, #13172a);
            padding: 20px;
            border-radius: 10px;
            border-left: 5px solid #00a8ff;
            margin: 25px 0;
        }
        .emoji {
            font-size: 1.5rem;
            margin-right: 10px;
        }
        ul, ol {
            margin-left: 30px;
            margin-bottom: 25px;
        }
        li {
            margin-bottom: 10px;
        }
        .image-container {
            margin: 40px auto;
            text-align: center;
            max-width: 800px;
        }
        .image-container img {
            border: 3px solid #00a8ff;
            box-shadow: 0 10px 30px rgba(0, 168, 255, 0.2);
        }
        .image-caption {
            font-style: italic;
            color: #8c8c8c;
            margin-top: 10px;
            font-size: 0.95rem;
        }
        .internal-links {
            display: flex;
            flex-wrap: wrap;
            gap: 15px;
            margin: 30px 0;
            justify-content: center;
        }
        .internal-links a {
            background: rgba(27, 31, 56, 0.8);
            padding: 12px 20px;
            border-radius: 50px;
            border: 2px solid #2d3748;
        }
        .internal-links a:hover {
            background: rgba(0, 168, 255, 0.2);
            border-color: #00a8ff;
        }
        .user-interaction {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .comment-box, .rating-box {
            background: rgba(27, 31, 56, 0.8);
            padding: 30px;
            border-radius: 15px;
            border: 2px solid #1e3a5c;
        }
        .comment-box h3, .rating-box h3 {
            color: #4cd137;
        }
        .comment-form textarea {
            width: 100%;
            height: 150px;
            padding: 15px;
            background-color: #0f1424;
            border: 2px solid #2d3748;
            border-radius: 10px;
            color: #e0e0e0;
            font-size: 1rem;
            resize: vertical;
            margin-bottom: 15px;
        }
        .comment-form button, .rating-form button {
            padding: 12px 25px;
            background: linear-gradient(90deg, #00a8ff, #0097e6);
            color: white;
            border: none;
            border-radius: 50px;
            cursor: pointer;
            font-weight: 600;
            transition: all 0.3s;
        }
        .comment-form button:hover, .rating-form button:hover {
            background: linear-gradient(90deg, #4cd137, #44bd32);
        }
        .stars {
            display: flex;
            gap: 10px;
            margin: 20px 0;
            justify-content: center;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: #8c8c8c;
            cursor: pointer;
            transition: color 0.3s;
        }
        .stars label:hover,
        .stars label:hover ~ label,
        .stars input:checked ~ label {
            color: #ffd700;
        }
        footer {
            background: linear-gradient(135deg, #1b1f38 0%, #0c0f1a 100%);
            padding: 50px 0 20px;
            border-top: 3px solid #00a8ff;
            margin-top: 60px;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: #00a8ff;
            margin-bottom: 20px;
            font-size: 1.3rem;
        }
        .footer-links {
            list-style: none;
        }
        .footer-links li {
            margin-bottom: 12px;
        }
        friend-link {
            display: block;
            margin: 10px 0;
            padding: 10px 15px;
            background: rgba(255, 255, 255, 0.05);
            border-radius: 5px;
            transition: background 0.3s;
        }
        friend-link:hover {
            background: rgba(0, 168, 255, 0.2);
        }
        .copyright {
            text-align: center;
            padding-top: 20px;
            border-top: 1px solid #2d3748;
            color: #8c8c8c;
            font-size: 0.95rem;
        }
        @media (max-width: 992px) {
            h1 { font-size: 2.8rem; }
            h2 { font-size: 2.2rem; }
            .nav-links {
                gap: 15px;
            }
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .nav-links {
                position: fixed;
                top: 80px;
                right: -100%;
                flex-direction: column;
                background-color: #1b1f38;
                width: 80%;
                max-width: 300px;
                height: calc(100vh - 80px);
                padding: 30px;
                transition: right 0.4s ease;
                box-shadow: -5px 0 15px rgba(0,0,0,0.3);
                z-index: 999;
            }
            .nav-links.active {
                right: 0;
            }
            .header-container {
                flex-wrap: wrap;
            }
            .user-interaction {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            .intro { font-size: 1.1rem; }
            .search-form {
                flex-direction: column;
            }
            .search-form button {
                width: 100%;
            }
        }