* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background-color: #0f0f1a;
            color: #e0e0ff;
            line-height: 1.7;
            overflow-x: hidden;
        }
        a {
            color: #6cb2ff;
            text-decoration: none;
            transition: color 0.3s ease;
        }
        a:hover {
            color: #ffcc00;
        }
        img {
            max-width: 100%;
            height: auto;
            border-radius: 8px;
        }
        .header-container {
            background: linear-gradient(135deg, #1a1a2e 0%, #16213e 100%);
            border-bottom: 3px solid #6cb2ff;
            padding: 1rem 2rem;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: 0 4px 12px rgba(0, 0, 20, 0.5);
        }
        .header-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 900;
            background: linear-gradient(45deg, #6cb2ff, #ffcc00);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            letter-spacing: 1px;
            text-shadow: 0 2px 4px rgba(0, 0, 0, 0.3);
        }
        .my-logo:hover {
            transform: scale(1.05);
            transition: transform 0.3s ease;
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            font-weight: 600;
            padding: 0.5rem 1rem;
            border-radius: 5px;
        }
        .nav-desktop a:hover {
            background-color: rgba(108, 178, 255, 0.2);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: #6cb2ff;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            gap: 1rem;
            margin-top: 1rem;
            padding: 1rem;
            background-color: #1a1a2e;
            border-radius: 8px;
        }
        .nav-mobile.active {
            display: flex;
        }
        .breadcrumb {
            margin-top: 1rem;
            font-size: 0.9rem;
            color: #aaaacc;
        }
        .breadcrumb a {
            color: #aaaacc;
        }
        .breadcrumb a:hover {
            color: #ffcc00;
        }
        .container {
            max-width: 1200px;
            margin: 2rem auto;
            padding: 0 1.5rem;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2.5rem;
        }
        .sidebar {
            display: none; 
        }
        .main-content {
            background-color: rgba(26, 26, 46, 0.8);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: 0 8px 24px rgba(0, 0, 20, 0.4);
            border: 1px solid #2a2a4a;
        }
        .feature-box {
            background: linear-gradient(145deg, #1e1e3a, #252547);
            padding: 1.5rem;
            border-radius: 10px;
            margin-bottom: 2rem;
            border-left: 5px solid #ffcc00;
        }
        .feature-box h2 {
            margin-bottom: 1rem;
            color: #ffcc00;
        }
        .form-group {
            margin-bottom: 1.2rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        .form-control {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid #444477;
            border-radius: 6px;
            background-color: #0f0f1a;
            color: #e0e0ff;
            font-size: 1rem;
        }
        .form-control:focus {
            outline: none;
            border-color: #6cb2ff;
            box-shadow: 0 0 0 3px rgba(108, 178, 255, 0.2);
        }
        .btn {
            padding: 0.8rem 1.5rem;
            background: linear-gradient(45deg, #6cb2ff, #4a90e2);
            color: white;
            border: none;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            transition: all 0.3s ease;
        }
        .btn:hover {
            background: linear-gradient(45deg, #ffcc00, #ffaa00);
            transform: translateY(-3px);
            box-shadow: 0 6px 12px rgba(255, 204, 0, 0.3);
        }
        .rating-stars {
            display: flex;
            gap: 0.5rem;
            margin: 1rem 0;
        }
        .rating-stars i {
            font-size: 1.8rem;
            color: #444477;
            cursor: pointer;
            transition: color 0.3s;
        }
        .rating-stars i:hover,
        .rating-stars i.active {
            color: #ffcc00;
        }
        .article-header {
            text-align: center;
            margin-bottom: 3rem;
            padding-bottom: 2rem;
            border-bottom: 2px dashed #444477;
        }
        .article-header h1 {
            font-size: 2.8rem;
            color: #ffffff;
            margin-bottom: 1rem;
            text-shadow: 0 2px 8px rgba(108, 178, 255, 0.5);
        }
        .article-meta {
            color: #aaaacc;
            font-size: 0.95rem;
            margin-bottom: 1.5rem;
        }
        .article-content {
            font-size: 1.1rem;
        }
        .article-content h2 {
            color: #6cb2ff;
            margin: 2.5rem 0 1.2rem;
            padding-bottom: 0.5rem;
            border-bottom: 2px solid #2a2a4a;
        }
        .article-content h3 {
            color: #ffcc00;
            margin: 2rem 0 1rem;
        }
        .article-content h4 {
            color: #aaccff;
            margin: 1.5rem 0 0.8rem;
        }
        .article-content p {
            margin-bottom: 1.5rem;
            text-align: justify;
        }
        .article-content strong {
            color: #ffcc00;
            font-weight: 700;
        }
        .article-content em {
            color: #aaccff;
            font-style: italic;
        }
        .highlight-box {
            background-color: rgba(255, 204, 0, 0.1);
            border-left: 4px solid #ffcc00;
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .image-container {
            margin: 2.5rem auto;
            text-align: center;
        }
        .image-container img {
            max-width: 800px;
            box-shadow: 0 10px 20px rgba(0, 0, 0, 0.5);
            transition: transform 0.5s ease;
        }
        .image-container img:hover {
            transform: scale(1.02);
        }
        .image-caption {
            margin-top: 0.8rem;
            font-style: italic;
            color: #aaaacc;
            font-size: 0.95rem;
        }
        .link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin: 2rem 0;
            padding: 1.5rem;
            background-color: rgba(26, 26, 46, 0.6);
            border-radius: 10px;
        }
        .link-list a {
            padding: 0.6rem 1.2rem;
            background-color: #2a2a4a;
            border-radius: 20px;
            border: 1px solid #444477;
        }
        .link-list a:hover {
            background-color: #3a3a6a;
            border-color: #6cb2ff;
        }
        footer {
            background: linear-gradient(135deg, #1a1a2e 0%, #0f0f1a 100%);
            border-top: 3px solid #6cb2ff;
            padding: 3rem 2rem 2rem;
            margin-top: 4rem;
        }
        .footer-content {
            max-width: 1200px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2.5rem;
        }
        .footer-section h3 {
            color: #ffcc00;
            margin-bottom: 1.5rem;
            font-size: 1.4rem;
        }
        friend-link {
            display: block;
            margin-bottom: 1rem;
            padding: 0.8rem;
            background-color: rgba(255, 255, 255, 0.05);
            border-radius: 6px;
            transition: background-color 0.3s;
        }
        friend-link:hover {
            background-color: rgba(108, 178, 255, 0.2);
        }
        .copyright {
            text-align: center;
            margin-top: 3rem;
            padding-top: 2rem;
            border-top: 1px solid #444477;
            color: #8888aa;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-top {
                flex-direction: column;
                align-items: flex-start;
            }
            .nav-desktop {
                display: none;
            }
            .hamburger {
                display: block;
                position: absolute;
                top: 1.5rem;
                right: 2rem;
            }
            .nav-mobile {
                width: 100%;
            }
            .container {
                padding: 0 1rem;
            }
            .main-content {
                padding: 1.5rem;
            }
            .article-header h1 {
                font-size: 2.2rem;
            }
            .footer-content {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 480px) {
            .article-header h1 {
                font-size: 1.8rem;
            }
            .feature-box {
                padding: 1rem;
            }
            .btn {
                width: 100%;
            }
        }