:root {
            --primary-color: #1a1f2e; 
            --accent-color: #00a8ff; 
            --accent-secondary: #ff4757; 
            --text-primary: #f1f2f6;
            --text-secondary: #a4b0be;
            --bg-dark: #0f141f;
            --bg-card: #252a37;
            --border-color: #353b48;
            --success-color: #2ed573;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.4);
            --transition: all 0.3s ease;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            color: var(--text-primary);
            background-color: var(--bg-dark);
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-secondary);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }
        .site-header {
            background-color: var(--primary-color);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 2.2rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--accent-color), var(--accent-secondary));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo a {
            background: none;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 2rem;
        }
        .main-nav a {
            color: var(--text-primary);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .main-nav a:hover,
        .main-nav a.active {
            color: var(--accent-color);
        }
        .main-nav a::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 3px;
            background-color: var(--accent-color);
            transition: width 0.3s ease;
        }
        .main-nav a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--text-primary);
            font-size: 1.8rem;
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--bg-card);
            padding: 1rem 0;
            font-size: 0.9rem;
            margin-bottom: 2rem;
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        .breadcrumb span {
            color: var(--accent-color);
            margin: 0 8px;
        }
        .hero {
            text-align: center;
            padding: 4rem 0;
            background: linear-gradient(rgba(15, 20, 31, 0.85), rgba(15, 20, 31, 0.95)), url('https://images.unsplash.com/photo-1552820728-8b83bb6b773f?ixlib=rb-4.0.3&auto=format&fit=crop&w=1200&q=80') center/cover no-repeat;
            margin-bottom: 3rem;
            border-radius: 12px;
        }
        .hero h1 {
            font-size: 3.2rem;
            margin-bottom: 1rem;
            color: white;
            line-height: 1.2;
        }
        .hero p {
            font-size: 1.3rem;
            color: var(--text-secondary);
            max-width: 800px;
            margin: 0 auto 2rem;
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-bottom: 3rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--bg-card);
            padding: 2.5rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        h1, h2, h3, h4 {
            margin-top: 2.5rem;
            margin-bottom: 1.2rem;
            color: white;
            line-height: 1.3;
        }
        h1 {
            font-size: 3.2rem;
            border-bottom: 3px solid var(--accent-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.4rem;
            color: var(--accent-color);
        }
        h3 {
            font-size: 1.8rem;
        }
        h4 {
            font-size: 1.4rem;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 1.5rem;
            font-size: 1.1rem;
            text-align: justify;
        }
        .highlight {
            background-color: rgba(0, 168, 255, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 8px 8px 0;
        }
        .inline-link {
            font-weight: 700;
            border-bottom: 2px dotted var(--accent-color);
        }
        .inline-link:hover {
            border-bottom-style: solid;
        }
        .featured-img {
            width: 100%;
            border-radius: 12px;
            margin: 2.5rem auto;
            border: 2px solid var(--border-color);
            box-shadow: var(--shadow);
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .widget {
            background-color: var(--bg-card);
            padding: 1.8rem;
            border-radius: 12px;
            box-shadow: var(--shadow);
        }
        .widget h3 {
            font-size: 1.5rem;
            margin-bottom: 1.5rem;
            padding-bottom: 0.7rem;
            border-bottom: 2px solid var(--border-color);
        }
        .search-form {
            display: flex;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--border-color);
            border-radius: 8px 0 0 8px;
            background-color: var(--primary-color);
            color: var(--text-primary);
            font-size: 1rem;
        }
        .search-btn {
            background-color: var(--accent-color);
            color: white;
            border: none;
            padding: 0 1.5rem;
            border-radius: 0 8px 8px 0;
            cursor: pointer;
            font-size: 1.2rem;
            transition: var(--transition);
        }
        .search-btn:hover {
            background-color: var(--accent-secondary);
        }
        .rating-widget .stars {
            display: flex;
            justify-content: center;
            gap: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .stars input {
            display: none;
        }
        .stars label {
            font-size: 2rem;
            color: var(--border-color);
            cursor: pointer;
            transition: var(--transition);
        }
        .stars input:checked ~ label,
        .stars label:hover,
        .stars label:hover ~ label {
            color: gold;
        }
        .rating-btn {
            width: 100%;
            padding: 1rem;
            background-color: var(--success-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .rating-btn:hover {
            background-color: #26c465;
        }
        .comment-form textarea {
            width: 100%;
            padding: 1rem;
            border-radius: 8px;
            border: 2px solid var(--border-color);
            background-color: var(--primary-color);
            color: var(--text-primary);
            font-family: inherit;
            font-size: 1rem;
            resize: vertical;
            min-height: 150px;
            margin-bottom: 1rem;
        }
        .comment-form button {
            width: 100%;
            padding: 1rem;
            background-color: var(--accent-color);
            color: white;
            border: none;
            border-radius: 8px;
            font-weight: bold;
            cursor: pointer;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: var(--accent-secondary);
        }
        .link-list {
            list-style: none;
        }
        .link-list li {
            margin-bottom: 0.8rem;
            padding-bottom: 0.8rem;
            border-bottom: 1px dashed var(--border-color);
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text-secondary);
        }
        .link-list a:hover {
            color: var(--accent-color);
            gap: 15px;
        }
        .link-list i {
            font-size: 0.9rem;
        }
        .site-footer {
            background-color: var(--primary-color);
            padding: 3rem 0 2rem;
            margin-top: 4rem;
            border-top: 3px solid var(--accent-color);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-widget h4 {
            font-size: 1.3rem;
            margin-bottom: 1.5rem;
            color: var(--accent-color);
        }
        .footer-widget p {
            color: var(--text-secondary);
            text-align: left;
        }
        friend-links {
            display: block;
            background-color: var(--bg-card);
            padding: 1.5rem;
            border-radius: 8px;
            margin-top: 1rem;
        }
        friend-links a {
            color: var(--text-secondary);
            margin-right: 1.5rem;
        }
        friend-links a:hover {
            color: var(--accent-color);
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .hamburger {
                display: block;
            }
            .main-nav {
                position: fixed;
                top: 80px;
                left: -100%;
                width: 100%;
                height: calc(100vh - 80px);
                background-color: var(--primary-color);
                transition: left 0.5s ease;
                padding: 2rem;
                z-index: 999;
            }
            .main-nav.active {
                left: 0;
            }
            .main-nav ul {
                flex-direction: column;
                gap: 1.5rem;
            }
            .main-nav a {
                font-size: 1.2rem;
                display: block;
                padding: 0.8rem 0;
            }
            .hero h1 {
                font-size: 2.5rem;
            }
            .hero p {
                font-size: 1.1rem;
            }
            h1 {
                font-size: 2.5rem;
            }
            h2 {
                font-size: 2rem;
            }
            h3 {
                font-size: 1.6rem;
            }
            .article-content {
                padding: 1.8rem;
            }
        }