* {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        :root {
            --primary-color: #0a7c0a;
            --secondary-color: #1a1a1a;
            --accent-color: #00a8ff;
            --text-color: #f0f0f0;
            --light-bg: #2a2a2a;
            --dark-bg: #121212;
            --border-color: #444;
            --success: #4CAF50;
            --warning: #ff9800;
            --danger: #f44336;
            --shadow: 0 4px 12px rgba(0, 0, 0, 0.5);
            --transition: all 0.3s ease;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.6;
            color: var(--text-color);
            background-color: var(--dark-bg);
            overflow-x: hidden;
        }
        a {
            color: var(--accent-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: #4dd2ff;
        }
        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(--secondary-color);
            border-bottom: 2px solid var(--primary-color);
            padding: 1rem 0;
            position: sticky;
            top: 0;
            z-index: 1000;
        }
        .header-content {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-family: 'Arial Black', Impact, sans-serif;
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--primary-color);
            text-transform: uppercase;
            letter-spacing: 2px;
            text-shadow: 0 0 10px rgba(10, 124, 10, 0.5);
        }
        .my-logo:hover {
            color: #0bc30b;
        }
        .main-nav ul {
            display: flex;
            list-style: none;
            gap: 1.5rem;
        }
        .main-nav a {
            color: var(--text-color);
            font-weight: 600;
            padding: 0.5rem 0.8rem;
            border-radius: 4px;
        }
        .main-nav a:hover {
            background-color: var(--light-bg);
            color: var(--accent-color);
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            background: none;
            border: none;
            color: var(--text-color);
            cursor: pointer;
        }
        .breadcrumb {
            background-color: var(--light-bg);
            padding: 0.8rem 0;
            margin-bottom: 2rem;
        }
        .breadcrumb-list {
            display: flex;
            list-style: none;
            flex-wrap: wrap;
            gap: 0.5rem;
        }
        .breadcrumb-item::after {
            content: "›";
            margin-left: 0.5rem;
            color: #888;
        }
        .breadcrumb-item:last-child::after {
            content: "";
        }
        .breadcrumb-item a:hover {
            text-decoration: underline;
        }
        .search-section {
            background: linear-gradient(135deg, var(--secondary-color), #252525);
            padding: 2rem;
            border-radius: 10px;
            margin-bottom: 2.5rem;
            box-shadow: var(--shadow);
        }
        .search-form {
            display: flex;
            max-width: 600px;
            margin: 0 auto;
        }
        .search-input {
            flex-grow: 1;
            padding: 0.9rem 1.2rem;
            border: 2px solid var(--primary-color);
            border-radius: 50px 0 0 50px;
            background-color: #333;
            color: var(--text-color);
            font-size: 1rem;
        }
        .search-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 0.9rem 1.8rem;
            border-radius: 0 50px 50px 0;
            cursor: pointer;
            font-weight: bold;
            transition: var(--transition);
        }
        .search-button:hover {
            background-color: #0bc30b;
        }
        .content-area {
            display: grid;
            grid-template-columns: 1fr 300px;
            gap: 2.5rem;
            margin: 2rem 0;
        }
        @media (max-width: 992px) {
            .content-area {
                grid-template-columns: 1fr;
            }
        }
        .main-article {
            background-color: var(--secondary-color);
            border-radius: 12px;
            padding: 2.5rem;
            box-shadow: var(--shadow);
        }
        .sidebar {
            background-color: var(--secondary-color);
            border-radius: 12px;
            padding: 1.8rem;
            box-shadow: var(--shadow);
            align-self: start;
            position: sticky;
            top: 120px;
        }
        .sidebar h3 {
            color: var(--accent-color);
            border-bottom: 2px solid var(--border-color);
            padding-bottom: 0.5rem;
            margin-bottom: 1.2rem;
        }
        .sidebar ul {
            list-style: none;
        }
        .sidebar li {
            margin-bottom: 0.8rem;
            padding-left: 1.2rem;
            position: relative;
        }
        .sidebar li::before {
            content: "▸";
            color: var(--primary-color);
            position: absolute;
            left: 0;
        }
        h1, h2, h3, h4 {
            color: #fff;
            margin-top: 1.8rem;
            margin-bottom: 1rem;
            line-height: 1.3;
        }
        h1 {
            font-size: 2.8rem;
            color: var(--accent-color);
            border-bottom: 3px solid var(--primary-color);
            padding-bottom: 0.5rem;
        }
        h2 {
            font-size: 2.2rem;
            color: var(--primary-color);
            padding-top: 1rem;
        }
        h3 {
            font-size: 1.8rem;
            color: #4dd2ff;
        }
        h4 {
            font-size: 1.4rem;
            color: #ccc;
        }
        p {
            margin-bottom: 1.2rem;
            text-align: justify;
        }
        .lead {
            font-size: 1.2rem;
            font-weight: 600;
            color: #ccc;
            margin-bottom: 2rem;
        }
        .highlight {
            background-color: rgba(10, 124, 10, 0.2);
            border-left: 4px solid var(--primary-color);
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .tip {
            background-color: rgba(0, 168, 255, 0.1);
            border-left: 4px solid var(--accent-color);
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .warning-box {
            background-color: rgba(255, 152, 0, 0.1);
            border-left: 4px solid var(--warning);
            padding: 1.2rem;
            margin: 1.5rem 0;
            border-radius: 0 8px 8px 0;
        }
        .solution-step {
            background-color: var(--light-bg);
            padding: 1.5rem;
            border-radius: 8px;
            margin-bottom: 1.5rem;
            border: 1px solid var(--border-color);
        }
        .solution-step h4 {
            margin-top: 0;
        }
        .step-number {
            display: inline-block;
            background-color: var(--primary-color);
            color: white;
            width: 32px;
            height: 32px;
            border-radius: 50%;
            text-align: center;
            line-height: 32px;
            margin-right: 10px;
            font-weight: bold;
        }
        strong {
            color: #fff;
        }
        em {
            color: #aaa;
        }
        .last-updated {
            font-size: 0.9rem;
            color: #888;
            text-align: right;
            margin-top: 2rem;
            padding-top: 1rem;
            border-top: 1px dashed var(--border-color);
        }
        .article-image {
            margin: 2rem auto;
            border-radius: 10px;
            overflow: hidden;
            box-shadow: var(--shadow);
            max-width: 800px;
        }
        .image-caption {
            text-align: center;
            font-style: italic;
            color: #aaa;
            padding: 0.5rem;
            background-color: #2a2a2a;
        }
        .user-interaction {
            margin-top: 3rem;
            background-color: var(--light-bg);
            padding: 2rem;
            border-radius: 12px;
        }
        .rating-section, .comment-section {
            margin-bottom: 2.5rem;
        }
        .rating-title, .comment-title {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 1rem;
        }
        .stars {
            display: flex;
            gap: 5px;
            margin: 1rem 0;
        }
        .star {
            font-size: 1.8rem;
            color: #555;
            cursor: pointer;
            transition: var(--transition);
        }
        .star:hover,
        .star.active {
            color: gold;
        }
        .rating-form, .comment-form {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 600px;
        }
        .form-group {
            display: flex;
            flex-direction: column;
        }
        label {
            margin-bottom: 0.5rem;
            font-weight: 600;
        }
        input, textarea, select {
            padding: 0.8rem;
            border-radius: 6px;
            border: 1px solid var(--border-color);
            background-color: #333;
            color: var(--text-color);
            font-family: inherit;
        }
        textarea {
            min-height: 150px;
            resize: vertical;
        }
        .submit-button {
            background-color: var(--primary-color);
            color: white;
            border: none;
            padding: 1rem 2rem;
            border-radius: 6px;
            cursor: pointer;
            font-weight: bold;
            align-self: flex-start;
            transition: var(--transition);
        }
        .submit-button:hover {
            background-color: #0bc30b;
            transform: translateY(-2px);
        }
        .site-footer {
            background-color: var(--secondary-color);
            border-top: 2px solid var(--primary-color);
            padding: 3rem 0 1.5rem;
            margin-top: 3rem;
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 2rem;
            margin-bottom: 2rem;
        }
        .footer-section h4 {
            color: var(--accent-color);
            margin-bottom: 1.2rem;
            font-size: 1.3rem;
        }
        .footer-section ul {
            list-style: none;
        }
        .footer-section li {
            margin-bottom: 0.7rem;
        }
        .friend-links {
            background-color: #1a1a1a;
            padding: 1.5rem;
            border-radius: 8px;
            margin: 2rem 0;
        }
        .friend-links h4 {
            color: var(--warning);
        }
        .friend-link-list {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            margin-top: 1rem;
        }
        .friend-link-item {
            background-color: #2a2a2a;
            padding: 0.5rem 1rem;
            border-radius: 4px;
            border: 1px solid #444;
        }
        .copyright {
            text-align: center;
            padding-top: 1.5rem;
            border-top: 1px solid var(--border-color);
            color: #888;
            font-size: 0.9rem;
        }
        @media (max-width: 768px) {
            .header-content {
                flex-wrap: wrap;
            }
            .hamburger {
                display: block;
            }
            .main-nav ul {
                display: none;
                flex-direction: column;
                width: 100%;
                background-color: var(--secondary-color);
                position: absolute;
                top: 100%;
                left: 0;
                padding: 1rem;
                border-top: 1px solid var(--border-color);
                box-shadow: var(--shadow);
            }
            .main-nav.active ul {
                display: flex;
            }
            h1 {
                font-size: 2.2rem;
            }
            h2 {
                font-size: 1.8rem;
            }
            h3 {
                font-size: 1.5rem;
            }
            .main-article {
                padding: 1.5rem;
            }
            .sidebar {
                position: static;
            }
        }