* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #1a1a1a; 
            --secondary-color: #c10000; 
            --accent-color: #f0a500; 
            --light-color: #f5f5f5;
            --dark-color: #0a0a0a;
            --text-color: #e0e0e0;
            --text-muted: #aaaaaa;
            --border-color: #333;
            --card-bg: #222;
            --transition: all 0.3s ease;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            --border-radius: 8px;
            --max-width: 1200px;
            --font-main: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-main);
            line-height: 1.7;
            color: var(--text-color);
            background-color: var(--primary-color);
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--secondary-color);
            text-decoration: underline;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        ul, ol {
            padding-left: 1.5em;
            margin: 1em 0;
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 1.5rem;
        }
        section {
            padding: 3rem 0;
        }
        h1, h2, h3, h4 {
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 1rem;
            color: var(--light-color);
        }
        h1 {
            font-size: 2.8rem;
            margin-top: 1.5rem;
            border-bottom: 3px solid var(--secondary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--accent-color);
            margin-top: 2.5rem;
        }
        h3 {
            font-size: 1.8rem;
            margin-top: 2rem;
        }
        h4 {
            font-size: 1.4rem;
            margin-top: 1.5rem;
            color: var(--text-muted);
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        strong, b {
            color: var(--accent-color);
            font-weight: 700;
        }
        .lead {
            font-size: 1.3rem;
            font-weight: 300;
            color: var(--text-muted);
            margin-bottom: 2rem;
        }
        .text-center {
            text-align: center;
        }
        .last-updated {
            font-style: italic;
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 2rem;
            border-top: 1px dashed var(--border-color);
            padding-top: 1rem;
        }
        .site-header {
            background-color: var(--dark-color);
            border-bottom: 2px solid var(--secondary-color);
            position: sticky;
            top: 0;
            z-index: 1000;
            box-shadow: var(--shadow);
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
            padding: 1rem 1.5rem;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--light-color);
            text-transform: uppercase;
            letter-spacing: 1px;
        }
        .my-logo span {
            color: var(--secondary-color);
        }
        .my-logo:hover {
            text-decoration: none;
            color: var(--light-color);
        }
        .nav-desktop {
            display: flex;
            gap: 2rem;
        }
        .nav-desktop a {
            color: var(--text-color);
            font-weight: 600;
            padding: 0.5rem 0;
            position: relative;
        }
        .nav-desktop a:hover {
            color: var(--accent-color);
            text-decoration: none;
        }
        .nav-desktop a::after {
            content: '';
            position: absolute;
            width: 0;
            height: 2px;
            bottom: 0;
            left: 0;
            background-color: var(--accent-color);
            transition: var(--transition);
        }
        .nav-desktop a:hover::after {
            width: 100%;
        }
        .hamburger {
            display: none;
            background: none;
            border: none;
            color: var(--light-color);
            font-size: 1.8rem;
            cursor: pointer;
            padding: 0.5rem;
        }
        .nav-mobile {
            display: none;
            flex-direction: column;
            background-color: var(--dark-color);
            position: absolute;
            top: 100%;
            left: 0;
            width: 100%;
            box-shadow: var(--shadow);
            padding: 1rem;
            border-top: 1px solid var(--border-color);
        }
        .nav-mobile.active {
            display: flex;
        }
        .nav-mobile a {
            color: var(--text-color);
            padding: 0.8rem 1rem;
            border-bottom: 1px solid var(--border-color);
        }
        .nav-mobile a:last-child {
            border-bottom: none;
        }
        .nav-mobile a:hover {
            background-color: var(--card-bg);
            color: var(--accent-color);
            text-decoration: none;
        }
        .breadcrumb {
            background-color: var(--card-bg);
            padding: 1rem 1.5rem;
            margin-bottom: 2rem;
            border-radius: var(--border-radius);
            font-size: 0.9rem;
        }
        .breadcrumb a {
            color: var(--text-muted);
        }
        .breadcrumb a:hover {
            color: var(--accent-color);
        }
        .breadcrumb i {
            margin: 0 0.5rem;
            color: var(--text-muted);
        }
        .main-content {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 3rem;
            margin-top: 2rem;
        }
        @media (max-width: 992px) {
            .main-content {
                grid-template-columns: 1fr;
            }
        }
        .article-content {
            background-color: var(--card-bg);
            padding: 2.5rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .featured-image {
            margin: 2rem 0;
            border-radius: var(--border-radius);
            overflow: hidden;
            border: 2px solid var(--border-color);
        }
        .featured-image figcaption {
            padding: 0.8rem;
            background-color: var(--dark-color);
            color: var(--text-muted);
            font-size: 0.9rem;
            text-align: center;
        }
        .highlight-box {
            background: linear-gradient(to right, #2a2a2a, #1a1a1a);
            border-left: 4px solid var(--accent-color);
            padding: 1.5rem;
            margin: 2rem 0;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
        }
        .tips-list li {
            margin-bottom: 0.8rem;
            padding-left: 0.5rem;
        }
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        .sidebar-widget {
            background-color: var(--card-bg);
            padding: 1.8rem;
            border-radius: var(--border-radius);
            box-shadow: var(--shadow);
        }
        .sidebar-widget h3 {
            font-size: 1.4rem;
            margin-top: 0;
            border-bottom: 2px solid var(--secondary-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.5rem;
        }
        .search-form {
            display: flex;
        }
        .search-form input {
            flex: 1;
            padding: 0.8rem 1rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius) 0 0 var(--border-radius);
            background-color: var(--dark-color);
            color: var(--text-color);
            outline: none;
        }
        .search-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem 1.2rem;
            border-radius: 0 var(--border-radius) var(--border-radius) 0;
            cursor: pointer;
            transition: var(--transition);
        }
        .search-form button:hover {
            background-color: #a00000;
        }
        .rating-widget form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
        }
        .stars {
            display: flex;
            gap: 0.5rem;
            font-size: 1.5rem;
            color: var(--text-muted);
            cursor: pointer;
        }
        .stars .star:hover,
        .stars .star.active {
            color: var(--accent-color);
        }
        .rating-widget input, .rating-widget textarea {
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            background-color: var(--dark-color);
            color: var(--text-color);
            outline: none;
        }
        .rating-widget button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 0.8rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            transition: var(--transition);
            font-weight: bold;
        }
        .rating-widget button:hover {
            background-color: #a00000;
        }
        .comments-section {
            margin-top: 4rem;
            padding-top: 2rem;
            border-top: 2px solid var(--border-color);
        }
        .comments-section h2 {
            margin-bottom: 2rem;
        }
        .comment-form {
            background-color: var(--card-bg);
            padding: 2rem;
            border-radius: var(--border-radius);
            margin-bottom: 3rem;
        }
        .comment-form h3 {
            margin-top: 0;
        }
        .form-group {
            margin-bottom: 1.5rem;
        }
        .form-group label {
            display: block;
            margin-bottom: 0.5rem;
            color: var(--text-muted);
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 0.8rem;
            border: 1px solid var(--border-color);
            border-radius: var(--border-radius);
            background-color: var(--dark-color);
            color: var(--text-color);
            outline: none;
            font-family: inherit;
        }
        .form-group textarea {
            min-height: 150px;
            resize: vertical;
        }
        .comment-form button {
            background-color: var(--secondary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: var(--border-radius);
            cursor: pointer;
            font-weight: bold;
            font-size: 1rem;
            transition: var(--transition);
        }
        .comment-form button:hover {
            background-color: #a00000;
        }
        .comment-list .comment {
            background-color: var(--card-bg);
            padding: 1.5rem;
            border-radius: var(--border-radius);
            margin-bottom: 1.5rem;
            border-left: 3px solid var(--border-color);
        }
        .comment-header {
            display: flex;
            justify-content: space-between;
            margin-bottom: 1rem;
            font-size: 0.9rem;
            color: var(--text-muted);
        }
        .comment-author {
            font-weight: bold;
            color: var(--accent-color);
        }
        .site-footer {
            background-color: var(--dark-color);
            padding: 3rem 0 1.5rem;
            margin-top: 4rem;
            border-top: 2px solid var(--secondary-color);
        }
        .footer-container {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-logo {
            font-size: 1.8rem;
            font-weight: 900;
            color: var(--light-color);
            margin-bottom: 1rem;
        }
        .footer-links h4 {
            color: var(--light-color);
            margin-bottom: 1.2rem;
            font-size: 1.2rem;
        }
        .footer-links ul {
            list-style: none;
            padding-left: 0;
        }
        .footer-links li {
            margin-bottom: 0.7rem;
        }
        friend-link {
            display: block;
            background-color: var(--card-bg);
            padding: 1rem;
            margin-bottom: 0.5rem;
            border-radius: var(--border-radius);
            border: 1px solid transparent;
            transition: var(--transition);
        }
        friend-link:hover {
            border-color: var(--accent-color);
            background-color: #2a2a2a;
        }
        .copyright {
            text-align: center;
            padding-top: 2rem;
            border-top: 1px solid var(--border-color);
            color: var(--text-muted);
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            h1 { font-size: 2.2rem; }
            h2 { font-size: 1.8rem; }
            h3 { font-size: 1.5rem; }
            .header-container { padding: 1rem; }
            .nav-desktop { display: none; }
            .hamburger { display: block; }
            .article-content { padding: 1.5rem; }
            .breadcrumb { padding: 1rem; }
            .main-content { gap: 2rem; }
        }
        @media (max-width: 480px) {
            .container { padding: 0 1rem; }
            h1 { font-size: 1.9rem; }
            .sidebar-widget { padding: 1.2rem; }
        }
        .mb-3 { margin-bottom: 3rem; }
        .mt-3 { margin-top: 3rem; }
        .emoji { font-size: 1.2em; margin-right: 0.3em; }